drivers/scsi/qla2xxx/qla_os.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2011 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  * error level for logging
  40  */
  41 int ql_errlev = ql_log_all;
  42
  43 int ql2xlogintimeout = 20;
  44 module_param(ql2xlogintimeout, int, S_IRUGO);
  45 MODULE_PARM_DESC(ql2xlogintimeout,
  46                 "Login timeout value in seconds.");
  47
  48 int qlport_down_retry;
  49 module_param(qlport_down_retry, int, S_IRUGO);
  50 MODULE_PARM_DESC(qlport_down_retry,
  51                 "Maximum number of command retries to a port that returns "
  52                 "a PORT-DOWN status.");
  53
  54 int ql2xplogiabsentdevice;
  55 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
  56 MODULE_PARM_DESC(ql2xplogiabsentdevice,
  57                 "Option to enable PLOGI to devices that are not present after "
  58                 "a Fabric scan.  This is needed for several broken switches. "
  59                 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
  60
  61 int ql2xloginretrycount = 0;
  62 module_param(ql2xloginretrycount, int, S_IRUGO);
  63 MODULE_PARM_DESC(ql2xloginretrycount,
  64                 "Specify an alternate value for the NVRAM login retry count.");
  65
  66 int ql2xallocfwdump = 1;
  67 module_param(ql2xallocfwdump, int, S_IRUGO);
  68 MODULE_PARM_DESC(ql2xallocfwdump,
  69                 "Option to enable allocation of memory for a firmware dump "
  70                 "during HBA initialization.  Memory allocation requirements "
  71                 "vary by ISP type.  Default is 1 - allocate memory.");
  72
  73 int ql2xextended_error_logging;
  74 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  75 MODULE_PARM_DESC(ql2xextended_error_logging,
  76                 "Option to enable extended error logging,\n"
  77                 "\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
  78                 "\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
  79                 "\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
  80                 "\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
  81                 "\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
  82                 "\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
  83                 "\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
  84                 "\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
  85                 "\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
  86                 "\t\tDo LOGICAL OR of the value to enable more than one level");
  87
  88 int ql2xshiftctondsd = 6;
  89 module_param(ql2xshiftctondsd, int, S_IRUGO);
  90 MODULE_PARM_DESC(ql2xshiftctondsd,
  91                 "Set to control shifting of command type processing "
  92                 "based on total number of SG elements.");
  93
  94 static void qla2x00_free_device(scsi_qla_host_t *);
  95
  96 int ql2xfdmienable=1;
  97 module_param(ql2xfdmienable, int, S_IRUGO);
  98 MODULE_PARM_DESC(ql2xfdmienable,
  99                 "Enables FDMI registrations. "
 100                 "0 - no FDMI. Default is 1 - perform FDMI.");
 101
 102 #define MAX_Q_DEPTH    32
 103 static int ql2xmaxqdepth = MAX_Q_DEPTH;
 104 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
 105 MODULE_PARM_DESC(ql2xmaxqdepth,
 106                 "Maximum queue depth to report for target devices.");
 107
 108 /* Do not change the value of this after module load */
 109 int ql2xenabledif = 1;
 110 module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR);
 111 MODULE_PARM_DESC(ql2xenabledif,
 112                 " Enable T10-CRC-DIF "
 113                 " Default is 0 - No DIF Support. 1 - Enable it");
 114
 115 int ql2xenablehba_err_chk;
 116 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
 117 MODULE_PARM_DESC(ql2xenablehba_err_chk,
 118                 " Enable T10-CRC-DIF Error isolation by HBA"
 119                 " Default is 0 - Error isolation disabled, 1 - Enable it");
 120
 121 int ql2xiidmaenable=1;
 122 module_param(ql2xiidmaenable, int, S_IRUGO);
 123 MODULE_PARM_DESC(ql2xiidmaenable,
 124                 "Enables iIDMA settings "
 125                 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
 126
 127 int ql2xmaxqueues = 1;
 128 module_param(ql2xmaxqueues, int, S_IRUGO);
 129 MODULE_PARM_DESC(ql2xmaxqueues,
 130                 "Enables MQ settings "
 131                 "Default is 1 for single queue. Set it to number "
 132                 "of queues in MQ mode.");
 133
 134 int ql2xmultique_tag;
 135 module_param(ql2xmultique_tag, int, S_IRUGO);
 136 MODULE_PARM_DESC(ql2xmultique_tag,
 137                 "Enables CPU affinity settings for the driver "
 138                 "Default is 0 for no affinity of request and response IO. "
 139                 "Set it to 1 to turn on the cpu affinity.");
 140
 141 int ql2xfwloadbin;
 142 module_param(ql2xfwloadbin, int, S_IRUGO);
 143 MODULE_PARM_DESC(ql2xfwloadbin,
 144                 "Option to specify location from which to load ISP firmware:.\n"
 145                 " 2 -- load firmware via the request_firmware() (hotplug).\n"
 146                 "      interface.\n"
 147                 " 1 -- load firmware from flash.\n"
 148                 " 0 -- use default semantics.\n");
 149
 150 int ql2xetsenable;
 151 module_param(ql2xetsenable, int, S_IRUGO);
 152 MODULE_PARM_DESC(ql2xetsenable,
 153                 "Enables firmware ETS burst."
 154                 "Default is 0 - skip ETS enablement.");
 155
 156 int ql2xdbwr = 1;
 157 module_param(ql2xdbwr, int, S_IRUGO);
 158 MODULE_PARM_DESC(ql2xdbwr,
 159         "Option to specify scheme for request queue posting.\n"
 160         " 0 -- Regular doorbell.\n"
 161         " 1 -- CAMRAM doorbell (faster).\n");
 162
 163 int ql2xtargetreset = 1;
 164 module_param(ql2xtargetreset, int, S_IRUGO);
 165 MODULE_PARM_DESC(ql2xtargetreset,
 166                  "Enable target reset."
 167                  "Default is 1 - use hw defaults.");
 168
 169 int ql2xgffidenable;
 170 module_param(ql2xgffidenable, int, S_IRUGO);
 171 MODULE_PARM_DESC(ql2xgffidenable,
 172                 "Enables GFF_ID checks of port type. "
 173                 "Default is 0 - Do not use GFF_ID information.");
 174
 175 int ql2xasynctmfenable;
 176 module_param(ql2xasynctmfenable, int, S_IRUGO);
 177 MODULE_PARM_DESC(ql2xasynctmfenable,
 178                 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
 179                 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
 180
 181 int ql2xdontresethba;
 182 module_param(ql2xdontresethba, int, S_IRUGO);
 183 MODULE_PARM_DESC(ql2xdontresethba,
 184         "Option to specify reset behaviour.\n"
 185         " 0 (Default) -- Reset on failure.\n"
 186         " 1 -- Do not reset on failure.\n");
 187
 188 uint ql2xmaxlun = MAX_LUNS;
 189 module_param(ql2xmaxlun, uint, S_IRUGO);
 190 MODULE_PARM_DESC(ql2xmaxlun,
 191                 "Defines the maximum LU number to register with the SCSI "
 192                 "midlayer. Default is 65535.");
 193
 194 /*
 195  * SCSI host template entry points
 196  */
 197 static int qla2xxx_slave_configure(struct scsi_device * device);
 198 static int qla2xxx_slave_alloc(struct scsi_device *);
 199 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
 200 static void qla2xxx_scan_start(struct Scsi_Host *);
 201 static void qla2xxx_slave_destroy(struct scsi_device *);
 202 static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
 203 static int qla2xxx_eh_abort(struct scsi_cmnd *);
 204 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
 205 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
 206 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 207 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 208
 209 static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
 210 static int qla2x00_change_queue_type(struct scsi_device *, int);
 211
 212 struct scsi_host_template qla2xxx_driver_template = {
 213         .module                 = THIS_MODULE,
 214         .name                   = QLA2XXX_DRIVER_NAME,
 215         .queuecommand           = qla2xxx_queuecommand,
 216
 217         .eh_abort_handler       = qla2xxx_eh_abort,
 218         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 219         .eh_target_reset_handler = qla2xxx_eh_target_reset,
 220         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 221         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 222
 223         .slave_configure        = qla2xxx_slave_configure,
 224
 225         .slave_alloc            = qla2xxx_slave_alloc,
 226         .slave_destroy          = qla2xxx_slave_destroy,
 227         .scan_finished          = qla2xxx_scan_finished,
 228         .scan_start             = qla2xxx_scan_start,
 229         .change_queue_depth     = qla2x00_change_queue_depth,
 230         .change_queue_type      = qla2x00_change_queue_type,
 231         .this_id                = -1,
 232         .cmd_per_lun            = 3,
 233         .use_clustering         = ENABLE_CLUSTERING,
 234         .sg_tablesize           = SG_ALL,
 235
 236         .max_sectors            = 0xFFFF,
 237         .shost_attrs            = qla2x00_host_attrs,
 238 };
 239
 240 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 241 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 242
 243 /* TODO Convert to inlines
 244  *
 245  * Timer routines
 246  */
 247
 248 __inline__ void
 249 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
 250 {
 251         init_timer(&vha->timer);
 252         vha->timer.expires = jiffies + interval * HZ;
 253         vha->timer.data = (unsigned long)vha;
 254         vha->timer.function = (void (*)(unsigned long))func;
 255         add_timer(&vha->timer);
 256         vha->timer_active = 1;
 257 }
 258
 259 static inline void
 260 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
 261 {
 262         /* Currently used for 82XX only. */
 263         if (vha->device_flags & DFLG_DEV_FAILED) {
 264                 ql_dbg(ql_dbg_timer, vha, 0x600d,
 265                     "Device in a failed state, returning.\n");
 266                 return;
 267         }
 268
 269         mod_timer(&vha->timer, jiffies + interval * HZ);
 270 }
 271
 272 static __inline__ void
 273 qla2x00_stop_timer(scsi_qla_host_t *vha)
 274 {
 275         del_timer_sync(&vha->timer);
 276         vha->timer_active = 0;
 277 }
 278
 279 static int qla2x00_do_dpc(void *data);
 280
 281 static void qla2x00_rst_aen(scsi_qla_host_t *);
 282
 283 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
 284         struct req_que **, struct rsp_que **);
 285 static void qla2x00_free_fw_dump(struct qla_hw_data *);
 286 static void qla2x00_mem_free(struct qla_hw_data *);
 287 static void qla2x00_sp_free_dma(srb_t *);
 288
 289 /* -------------------------------------------------------------------------- */
 290 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
 291 {
 292         scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 293         ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
 294                                 GFP_KERNEL);
 295         if (!ha->req_q_map) {
 296                 ql_log(ql_log_fatal, vha, 0x003b,
 297                     "Unable to allocate memory for request queue ptrs.\n");
 298                 goto fail_req_map;
 299         }
 300
 301         ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
 302                                 GFP_KERNEL);
 303         if (!ha->rsp_q_map) {
 304                 ql_log(ql_log_fatal, vha, 0x003c,
 305                     "Unable to allocate memory for response queue ptrs.\n");
 306                 goto fail_rsp_map;
 307         }
 308         set_bit(0, ha->rsp_qid_map);
 309         set_bit(0, ha->req_qid_map);
 310         return 1;
 311
 312 fail_rsp_map:
 313         kfree(ha->req_q_map);
 314         ha->req_q_map = NULL;
 315 fail_req_map:
 316         return -ENOMEM;
 317 }
 318
 319 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
 320 {
 321         if (req && req->ring)
 322                 dma_free_coherent(&ha->pdev->dev,
 323                 (req->length + 1) * sizeof(request_t),
 324                 req->ring, req->dma);
 325
 326         kfree(req);
 327         req = NULL;
 328 }
 329
 330 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
 331 {
 332         if (rsp && rsp->ring)
 333                 dma_free_coherent(&ha->pdev->dev,
 334                 (rsp->length + 1) * sizeof(response_t),
 335                 rsp->ring, rsp->dma);
 336
 337         kfree(rsp);
 338         rsp = NULL;
 339 }
 340
 341 static void qla2x00_free_queues(struct qla_hw_data *ha)
 342 {
 343         struct req_que *req;
 344         struct rsp_que *rsp;
 345         int cnt;
 346
 347         for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
 348                 req = ha->req_q_map[cnt];
 349                 qla2x00_free_req_que(ha, req);
 350         }
 351         kfree(ha->req_q_map);
 352         ha->req_q_map = NULL;
 353
 354         for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
 355                 rsp = ha->rsp_q_map[cnt];
 356                 qla2x00_free_rsp_que(ha, rsp);
 357         }
 358         kfree(ha->rsp_q_map);
 359         ha->rsp_q_map = NULL;
 360 }
 361
 362 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
 363 {
 364         uint16_t options = 0;
 365         int ques, req, ret;
 366         struct qla_hw_data *ha = vha->hw;
 367
 368         if (!(ha->fw_attributes & BIT_6)) {
 369                 ql_log(ql_log_warn, vha, 0x00d8,
 370                     "Firmware is not multi-queue capable.\n");
 371                 goto fail;
 372         }
 373         if (ql2xmultique_tag) {
 374                 /* create a request queue for IO */
 375                 options |= BIT_7;
 376                 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
 377                         QLA_DEFAULT_QUE_QOS);
 378                 if (!req) {
 379                         ql_log(ql_log_warn, vha, 0x00e0,
 380                             "Failed to create request queue.\n");
 381                         goto fail;
 382                 }
 383                 ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
 384                 vha->req = ha->req_q_map[req];
 385                 options |= BIT_1;
 386                 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
 387                         ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
 388                         if (!ret) {
 389                                 ql_log(ql_log_warn, vha, 0x00e8,
 390                                     "Failed to create response queue.\n");
 391                                 goto fail2;
 392                         }
 393                 }
 394                 ha->flags.cpu_affinity_enabled = 1;
 395                 ql_dbg(ql_dbg_multiq, vha, 0xc007,
 396                     "CPU affinity mode enalbed, "
 397                     "no. of response queues:%d no. of request queues:%d.\n",
 398                     ha->max_rsp_queues, ha->max_req_queues);
 399                 ql_dbg(ql_dbg_init, vha, 0x00e9,
 400                     "CPU affinity mode enalbed, "
 401                     "no. of response queues:%d no. of request queues:%d.\n",
 402                     ha->max_rsp_queues, ha->max_req_queues);
 403         }
 404         return 0;
 405 fail2:
 406         qla25xx_delete_queues(vha);
 407         destroy_workqueue(ha->wq);
 408         ha->wq = NULL;
 409 fail:
 410         ha->mqenable = 0;
 411         kfree(ha->req_q_map);
 412         kfree(ha->rsp_q_map);
 413         ha->max_req_queues = ha->max_rsp_queues = 1;
 414         return 1;
 415 }
 416
 417 static char *
 418 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
 419 {
 420         struct qla_hw_data *ha = vha->hw;
 421         static char *pci_bus_modes[] = {
 422                 "33", "66", "100", "133",
 423         };
 424         uint16_t pci_bus;
 425
 426         strcpy(str, "PCI");
 427         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 428         if (pci_bus) {
 429                 strcat(str, "-X (");
 430                 strcat(str, pci_bus_modes[pci_bus]);
 431         } else {
 432                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 433                 strcat(str, " (");
 434                 strcat(str, pci_bus_modes[pci_bus]);
 435         }
 436         strcat(str, " MHz)");
 437
 438         return (str);
 439 }
 440
 441 static char *
 442 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
 443 {
 444         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 445         struct qla_hw_data *ha = vha->hw;
 446         uint32_t pci_bus;
 447         int pcie_reg;
 448
 449         pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 450         if (pcie_reg) {
 451                 char lwstr[6];
 452                 uint16_t pcie_lstat, lspeed, lwidth;
 453
 454                 pcie_reg += 0x12;
 455                 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
 456                 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
 457                 lwidth = (pcie_lstat &
 458                     (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
 459
 460                 strcpy(str, "PCIe (");
 461                 if (lspeed == 1)
 462                         strcat(str, "2.5GT/s ");
 463                 else if (lspeed == 2)
 464                         strcat(str, "5.0GT/s ");
 465                 else
 466                         strcat(str, "<unknown> ");
 467                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 468                 strcat(str, lwstr);
 469
 470                 return str;
 471         }
 472
 473         strcpy(str, "PCI");
 474         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 475         if (pci_bus == 0 || pci_bus == 8) {
 476                 strcat(str, " (");
 477                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 478         } else {
 479                 strcat(str, "-X ");
 480                 if (pci_bus & BIT_2)
 481                         strcat(str, "Mode 2");
 482                 else
 483                         strcat(str, "Mode 1");
 484                 strcat(str, " (");
 485                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 486         }
 487         strcat(str, " MHz)");
 488
 489         return str;
 490 }
 491
 492 static char *
 493 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
 494 {
 495         char un_str[10];
 496         struct qla_hw_data *ha = vha->hw;
 497
 498         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 499             ha->fw_minor_version,
 500             ha->fw_subminor_version);
 501
 502         if (ha->fw_attributes & BIT_9) {
 503                 strcat(str, "FLX");
 504                 return (str);
 505         }
 506
 507         switch (ha->fw_attributes & 0xFF) {
 508         case 0x7:
 509                 strcat(str, "EF");
 510                 break;
 511         case 0x17:
 512                 strcat(str, "TP");
 513                 break;
 514         case 0x37:
 515                 strcat(str, "IP");
 516                 break;
 517         case 0x77:
 518                 strcat(str, "VI");
 519                 break;
 520         default:
 521                 sprintf(un_str, "(%x)", ha->fw_attributes);
 522                 strcat(str, un_str);
 523                 break;
 524         }
 525         if (ha->fw_attributes & 0x100)
 526                 strcat(str, "X");
 527
 528         return (str);
 529 }
 530
 531 static char *
 532 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
 533 {
 534         struct qla_hw_data *ha = vha->hw;
 535
 536         sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
 537             ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
 538         return str;
 539 }
 540
 541 static inline srb_t *
 542 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
 543         struct scsi_cmnd *cmd)
 544 {
 545         srb_t *sp;
 546         struct qla_hw_data *ha = vha->hw;
 547
 548         sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
 549         if (!sp) {
 550                 ql_log(ql_log_warn, vha, 0x3006,
 551                     "Memory allocation failed for sp.\n");
 552                 return sp;
 553         }
 554
 555         atomic_set(&sp->ref_count, 1);
 556         sp->fcport = fcport;
 557         sp->cmd = cmd;
 558         sp->flags = 0;
 559         CMD_SP(cmd) = (void *)sp;
 560         sp->ctx = NULL;
 561
 562         return sp;
 563 }
 564
 565 static int
 566 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 567 {
 568         scsi_qla_host_t *vha = shost_priv(host);
 569         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 570         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 571         struct qla_hw_data *ha = vha->hw;
 572         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 573         srb_t *sp;
 574         int rval;
 575
 576         if (ha->flags.eeh_busy) {
 577                 if (ha->flags.pci_channel_io_perm_failure) {
 578                         ql_dbg(ql_dbg_io, vha, 0x3001,
 579                             "PCI Channel IO permanent failure, exiting "
 580                             "cmd=%p.\n", cmd);
 581                         cmd->result = DID_NO_CONNECT << 16;
 582                 } else {
 583                         ql_dbg(ql_dbg_io, vha, 0x3002,
 584                             "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
 585                         cmd->result = DID_REQUEUE << 16;
 586                 }
 587                 goto qc24_fail_command;
 588         }
 589
 590         rval = fc_remote_port_chkready(rport);
 591         if (rval) {
 592                 cmd->result = rval;
 593                 ql_dbg(ql_dbg_io, vha, 0x3003,
 594                     "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
 595                     cmd, rval);
 596                 goto qc24_fail_command;
 597         }
 598
 599         if (!vha->flags.difdix_supported &&
 600                 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
 601                         ql_dbg(ql_dbg_io, vha, 0x3004,
 602                             "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
 603                             cmd);
 604                         cmd->result = DID_NO_CONNECT << 16;
 605                         goto qc24_fail_command;
 606         }
 607         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 608                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 609                         atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 610                         ql_dbg(ql_dbg_io, vha, 0x3005,
 611                             "Returning DNC, fcport_state=%d loop_state=%d.\n",
 612                             atomic_read(&fcport->state),
 613                             atomic_read(&base_vha->loop_state));
 614                         cmd->result = DID_NO_CONNECT << 16;
 615                         goto qc24_fail_command;
 616                 }
 617                 goto qc24_target_busy;
 618         }
 619
 620         sp = qla2x00_get_new_sp(base_vha, fcport, cmd);
 621         if (!sp)
 622                 goto qc24_host_busy;
 623
 624         rval = ha->isp_ops->start_scsi(sp);
 625         if (rval != QLA_SUCCESS) {
 626                 ql_dbg(ql_dbg_io, vha, 0x3013,
 627                     "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
 628                 goto qc24_host_busy_free_sp;
 629         }
 630
 631         return 0;
 632
 633 qc24_host_busy_free_sp:
 634         qla2x00_sp_free_dma(sp);
 635         mempool_free(sp, ha->srb_mempool);
 636
 637 qc24_host_busy:
 638         return SCSI_MLQUEUE_HOST_BUSY;
 639
 640 qc24_target_busy:
 641         return SCSI_MLQUEUE_TARGET_BUSY;
 642
 643 qc24_fail_command:
 644         cmd->scsi_done(cmd);
 645
 646         return 0;
 647 }
 648
 649 /*
 650  * qla2x00_eh_wait_on_command
 651  *    Waits for the command to be returned by the Firmware for some
 652  *    max time.
 653  *
 654  * Input:
 655  *    cmd = Scsi Command to wait on.
 656  *
 657  * Return:
 658  *    Not Found : 0
 659  *    Found : 1
 660  */
 661 static int
 662 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
 663 {
 664 #define ABORT_POLLING_PERIOD    1000
 665 #define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
 666         unsigned long wait_iter = ABORT_WAIT_ITER;
 667         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 668         struct qla_hw_data *ha = vha->hw;
 669         int ret = QLA_SUCCESS;
 670
 671         if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
 672                 ql_dbg(ql_dbg_taskm, vha, 0x8005,
 673                     "Return:eh_wait.\n");
 674                 return ret;
 675         }
 676
 677         while (CMD_SP(cmd) && wait_iter--) {
 678                 msleep(ABORT_POLLING_PERIOD);
 679         }
 680         if (CMD_SP(cmd))
 681                 ret = QLA_FUNCTION_FAILED;
 682
 683         return ret;
 684 }
 685
 686 /*
 687  * qla2x00_wait_for_hba_online
 688  *    Wait till the HBA is online after going through
 689  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 690  *    finally HBA is disabled ie marked offline
 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) : 0
 701  *    Failed  (Adapter is offline/disabled) : 1
 702  */
 703 int
 704 qla2x00_wait_for_hba_online(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->dpc_active) && time_before(jiffies, wait_online)) {
 716
 717                 msleep(1000);
 718         }
 719         if (base_vha->flags.online)
 720                 return_status = QLA_SUCCESS;
 721         else
 722                 return_status = QLA_FUNCTION_FAILED;
 723
 724         return (return_status);
 725 }
 726
 727 /*
 728  * qla2x00_wait_for_reset_ready
 729  *    Wait till the HBA is online after going through
 730  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 731  *    finally HBA is disabled ie marked offline or flash
 732  *    operations are in progress.
 733  *
 734  * Input:
 735  *     ha - pointer to host adapter structure
 736  *
 737  * Note:
 738  *    Does context switching-Release SPIN_LOCK
 739  *    (if any) before calling this routine.
 740  *
 741  * Return:
 742  *    Success (Adapter is online/no flash ops) : 0
 743  *    Failed  (Adapter is offline/disabled/flash ops in progress) : 1
 744  */
 745 static int
 746 qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha)
 747 {
 748         int             return_status;
 749         unsigned long   wait_online;
 750         struct qla_hw_data *ha = vha->hw;
 751         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 752
 753         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 754         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 755             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 756             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 757             ha->optrom_state != QLA_SWAITING ||
 758             ha->dpc_active) && time_before(jiffies, wait_online))
 759                 msleep(1000);
 760
 761         if (base_vha->flags.online &&  ha->optrom_state == QLA_SWAITING)
 762                 return_status = QLA_SUCCESS;
 763         else
 764                 return_status = QLA_FUNCTION_FAILED;
 765
 766         ql_dbg(ql_dbg_taskm, vha, 0x8019,
 767             "%s return status=%d.\n", __func__, return_status);
 768
 769         return return_status;
 770 }
 771
 772 int
 773 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
 774 {
 775         int             return_status;
 776         unsigned long   wait_reset;
 777         struct qla_hw_data *ha = vha->hw;
 778         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 779
 780         wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 781         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 782             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 783             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 784             ha->dpc_active) && time_before(jiffies, wait_reset)) {
 785
 786                 msleep(1000);
 787
 788                 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
 789                     ha->flags.chip_reset_done)
 790                         break;
 791         }
 792         if (ha->flags.chip_reset_done)
 793                 return_status = QLA_SUCCESS;
 794         else
 795                 return_status = QLA_FUNCTION_FAILED;
 796
 797         return return_status;
 798 }
 799
 800 /*
 801  * qla2x00_wait_for_loop_ready
 802  *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
 803  *    to be in LOOP_READY state.
 804  * Input:
 805  *     ha - pointer to host adapter structure
 806  *
 807  * Note:
 808  *    Does context switching-Release SPIN_LOCK
 809  *    (if any) before calling this routine.
 810  *
 811  *
 812  * Return:
 813  *    Success (LOOP_READY) : 0
 814  *    Failed  (LOOP_NOT_READY) : 1
 815  */
 816 static inline int
 817 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
 818 {
 819         int      return_status = QLA_SUCCESS;
 820         unsigned long loop_timeout ;
 821         struct qla_hw_data *ha = vha->hw;
 822         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 823
 824         /* wait for 5 min at the max for loop to be ready */
 825         loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 826
 827         while ((!atomic_read(&base_vha->loop_down_timer) &&
 828             atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
 829             atomic_read(&base_vha->loop_state) != LOOP_READY) {
 830                 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 831                         return_status = QLA_FUNCTION_FAILED;
 832                         break;
 833                 }
 834                 msleep(1000);
 835                 if (time_after_eq(jiffies, loop_timeout)) {
 836                         return_status = QLA_FUNCTION_FAILED;
 837                         break;
 838                 }
 839         }
 840         return (return_status);
 841 }
 842
 843 static void
 844 sp_get(struct srb *sp)
 845 {
 846         atomic_inc(&sp->ref_count);
 847 }
 848
 849 /**************************************************************************
 850 * qla2xxx_eh_abort
 851 *
 852 * Description:
 853 *    The abort function will abort the specified command.
 854 *
 855 * Input:
 856 *    cmd = Linux SCSI command packet to be aborted.
 857 *
 858 * Returns:
 859 *    Either SUCCESS or FAILED.
 860 *
 861 * Note:
 862 *    Only return FAILED if command not returned by firmware.
 863 **************************************************************************/
 864 static int
 865 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 866 {
 867         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 868         srb_t *sp;
 869         int ret;
 870         unsigned int id, lun;
 871         unsigned long flags;
 872         int wait = 0;
 873         struct qla_hw_data *ha = vha->hw;
 874
 875         ql_dbg(ql_dbg_taskm, vha, 0x8000,
 876             "Entered %s for cmd=%p.\n", __func__, cmd);
 877         if (!CMD_SP(cmd))
 878                 return SUCCESS;
 879
 880         ret = fc_block_scsi_eh(cmd);
 881         ql_dbg(ql_dbg_taskm, vha, 0x8001,
 882             "Return value of fc_block_scsi_eh=%d.\n", ret);
 883         if (ret != 0)
 884                 return ret;
 885         ret = SUCCESS;
 886
 887         id = cmd->device->id;
 888         lun = cmd->device->lun;
 889
 890         spin_lock_irqsave(&ha->hardware_lock, flags);
 891         sp = (srb_t *) CMD_SP(cmd);
 892         if (!sp) {
 893                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 894                 return SUCCESS;
 895         }
 896
 897         ql_dbg(ql_dbg_taskm, vha, 0x8002,
 898             "Aborting sp=%p cmd=%p from RISC ", sp, cmd);
 899
 900         /* Get a reference to the sp and drop the lock.*/
 901         sp_get(sp);
 902
 903         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 904         if (ha->isp_ops->abort_command(sp)) {
 905                 ql_dbg(ql_dbg_taskm, vha, 0x8003,
 906                     "Abort command mbx failed for cmd=%p.\n", cmd);
 907         } else {
 908                 ql_dbg(ql_dbg_taskm, vha, 0x8004,
 909                     "Abort command mbx success.\n");
 910                 wait = 1;
 911         }
 912         qla2x00_sp_compl(ha, sp);
 913
 914         /* Wait for the command to be returned. */
 915         if (wait) {
 916                 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
 917                         ql_log(ql_log_warn, vha, 0x8006,
 918                             "Abort handler timed out for cmd=%p.\n", cmd);
 919                         ret = FAILED;
 920                 }
 921         }
 922
 923         ql_log(ql_log_info, vha, 0x801c,
 924             "Abort command issued --  %d %x.\n", wait, ret);
 925
 926         return ret;
 927 }
 928
 929 int
 930 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
 931         unsigned int l, enum nexus_wait_type type)
 932 {
 933         int cnt, match, status;
 934         unsigned long flags;
 935         struct qla_hw_data *ha = vha->hw;
 936         struct req_que *req;
 937         srb_t *sp;
 938
 939         status = QLA_SUCCESS;
 940
 941         spin_lock_irqsave(&ha->hardware_lock, flags);
 942         req = vha->req;
 943         for (cnt = 1; status == QLA_SUCCESS &&
 944                 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 945                 sp = req->outstanding_cmds[cnt];
 946                 if (!sp)
 947                         continue;
 948                 if ((sp->ctx) && !IS_PROT_IO(sp))
 949                         continue;
 950                 if (vha->vp_idx != sp->fcport->vha->vp_idx)
 951                         continue;
 952                 match = 0;
 953                 switch (type) {
 954                 case WAIT_HOST:
 955                         match = 1;
 956                         break;
 957                 case WAIT_TARGET:
 958                         match = sp->cmd->device->id == t;
 959                         break;
 960                 case WAIT_LUN:
 961                         match = (sp->cmd->device->id == t &&
 962                                 sp->cmd->device->lun == l);
 963                         break;
 964                 }
 965                 if (!match)
 966                         continue;
 967
 968                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 969                 status = qla2x00_eh_wait_on_command(sp->cmd);
 970                 spin_lock_irqsave(&ha->hardware_lock, flags);
 971         }
 972         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 973
 974         return status;
 975 }
 976
 977 static char *reset_errors[] = {
 978         "HBA not online",
 979         "HBA not ready",
 980         "Task management failed",
 981         "Waiting for command completions",
 982 };
 983
 984 static int
 985 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
 986     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
 987 {
 988         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 989         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 990         int err;
 991
 992         if (!fcport) {
 993                 ql_log(ql_log_warn, vha, 0x8007,
 994                     "fcport is NULL.\n");
 995                 return FAILED;
 996         }
 997
 998         err = fc_block_scsi_eh(cmd);
 999         ql_dbg(ql_dbg_taskm, vha, 0x8008,
1000             "fc_block_scsi_eh ret=%d.\n", err);
1001         if (err != 0)
1002                 return err;
1003
1004         ql_log(ql_log_info, vha, 0x8009,
1005             "%s RESET ISSUED for id %d lun %d cmd=%p.\n", name,
1006             cmd->device->id, cmd->device->lun, cmd);
1007
1008         err = 0;
1009         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1010                 ql_log(ql_log_warn, vha, 0x800a,
1011                     "Wait for hba online failed for cmd=%p.\n", cmd);
1012                 goto eh_reset_failed;
1013         }
1014         err = 1;
1015         if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS) {
1016                 ql_log(ql_log_warn, vha, 0x800b,
1017                     "Wait for loop ready failed for cmd=%p.\n", cmd);
1018                 goto eh_reset_failed;
1019         }
1020         err = 2;
1021         if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1022                 != QLA_SUCCESS) {
1023                 ql_log(ql_log_warn, vha, 0x800c,
1024                     "do_reset failed for cmd=%p.\n", cmd);
1025                 goto eh_reset_failed;
1026         }
1027         err = 3;
1028         if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1029             cmd->device->lun, type) != QLA_SUCCESS) {
1030                 ql_log(ql_log_warn, vha, 0x800d,
1031                     "wait for peding cmds failed for cmd=%p.\n", cmd);
1032                 goto eh_reset_failed;
1033         }
1034
1035         ql_log(ql_log_info, vha, 0x800e,
1036             "%s RESET SUCCEEDED for id %d lun %d cmd=%p.\n", name,
1037             cmd->device->id, cmd->device->lun, cmd);
1038
1039         return SUCCESS;
1040
1041 eh_reset_failed:
1042         ql_log(ql_log_info, vha, 0x800f,
1043             "%s RESET FAILED: %s for id %d lun %d cmd=%p.\n", name,
1044             reset_errors[err], cmd->device->id, cmd->device->lun);
1045         return FAILED;
1046 }
1047
1048 static int
1049 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1050 {
1051         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1052         struct qla_hw_data *ha = vha->hw;
1053
1054         return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1055             ha->isp_ops->lun_reset);
1056 }
1057
1058 static int
1059 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1060 {
1061         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1062         struct qla_hw_data *ha = vha->hw;
1063
1064         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1065             ha->isp_ops->target_reset);
1066 }
1067
1068 /**************************************************************************
1069 * qla2xxx_eh_bus_reset
1070 *
1071 * Description:
1072 *    The bus reset function will reset the bus and abort any executing
1073 *    commands.
1074 *
1075 * Input:
1076 *    cmd = Linux SCSI command packet of the command that cause the
1077 *          bus reset.
1078 *
1079 * Returns:
1080 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1081 *
1082 **************************************************************************/
1083 static int
1084 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1085 {
1086         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1087         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1088         int ret = FAILED;
1089         unsigned int id, lun;
1090
1091         id = cmd->device->id;
1092         lun = cmd->device->lun;
1093
1094         if (!fcport) {
1095                 ql_log(ql_log_warn, vha, 0x8010,
1096                     "fcport is NULL.\n");
1097                 return ret;
1098         }
1099
1100         ret = fc_block_scsi_eh(cmd);
1101         ql_dbg(ql_dbg_taskm, vha, 0x8011,
1102             "fc_block_scsi_eh ret=%d.\n", ret);
1103         if (ret != 0)
1104                 return ret;
1105         ret = FAILED;
1106
1107         ql_log(ql_log_info, vha, 0x8012,
1108             "BUS RESET ISSUED for id %d lun %d.\n", id, lun);
1109
1110         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1111                 ql_log(ql_log_fatal, vha, 0x8013,
1112                     "Wait for hba online failed board disabled.\n");
1113                 goto eh_bus_reset_done;
1114         }
1115
1116         if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1117                 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1118                         ret = SUCCESS;
1119         }
1120         if (ret == FAILED)
1121                 goto eh_bus_reset_done;
1122
1123         /* Flush outstanding commands. */
1124         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1125             QLA_SUCCESS) {
1126                 ql_log(ql_log_warn, vha, 0x8014,
1127                     "Wait for pending commands failed.\n");
1128                 ret = FAILED;
1129         }
1130
1131 eh_bus_reset_done:
1132         ql_log(ql_log_warn, vha, 0x802b,
1133             "BUS RESET %s.\n", (ret == FAILED) ? "FAILED" : "SUCCEDED");
1134
1135         return ret;
1136 }
1137
1138 /**************************************************************************
1139 * qla2xxx_eh_host_reset
1140 *
1141 * Description:
1142 *    The reset function will reset the Adapter.
1143 *
1144 * Input:
1145 *      cmd = Linux SCSI command packet of the command that cause the
1146 *            adapter reset.
1147 *
1148 * Returns:
1149 *      Either SUCCESS or FAILED.
1150 *
1151 * Note:
1152 **************************************************************************/
1153 static int
1154 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1155 {
1156         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1157         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1158         struct qla_hw_data *ha = vha->hw;
1159         int ret = FAILED;
1160         unsigned int id, lun;
1161         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1162
1163         id = cmd->device->id;
1164         lun = cmd->device->lun;
1165
1166         if (!fcport) {
1167                 ql_log(ql_log_warn, vha, 0x8016,
1168                     "fcport is NULL.\n");
1169                 return ret;
1170         }
1171
1172         ret = fc_block_scsi_eh(cmd);
1173         ql_dbg(ql_dbg_taskm, vha, 0x8017,
1174             "fc_block_scsi_eh ret=%d.\n", ret);
1175         if (ret != 0)
1176                 return ret;
1177         ret = FAILED;
1178
1179         ql_log(ql_log_info, vha, 0x8018,
1180             "ADAPTER RESET ISSUED for id %d lun %d.\n", id, lun);
1181
1182         if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
1183                 goto eh_host_reset_lock;
1184
1185         /*
1186          * Fixme-may be dpc thread is active and processing
1187          * loop_resync,so wait a while for it to
1188          * be completed and then issue big hammer.Otherwise
1189          * it may cause I/O failure as big hammer marks the
1190          * devices as lost kicking of the port_down_timer
1191          * while dpc is stuck for the mailbox to complete.
1192          */
1193         qla2x00_wait_for_loop_ready(vha);
1194         if (vha != base_vha) {
1195                 if (qla2x00_vp_abort_isp(vha))
1196                         goto eh_host_reset_lock;
1197         } else {
1198                 if (IS_QLA82XX(vha->hw)) {
1199                         if (!qla82xx_fcoe_ctx_reset(vha)) {
1200                                 /* Ctx reset success */
1201                                 ret = SUCCESS;
1202                                 goto eh_host_reset_lock;
1203                         }
1204                         /* fall thru if ctx reset failed */
1205                 }
1206                 if (ha->wq)
1207                         flush_workqueue(ha->wq);
1208
1209                 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1210                 if (ha->isp_ops->abort_isp(base_vha)) {
1211                         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1212                         /* failed. schedule dpc to try */
1213                         set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1214
1215                         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1216                                 ql_log(ql_log_warn, vha, 0x802a,
1217                                     "wait for hba online failed.\n");
1218                                 goto eh_host_reset_lock;
1219                         }
1220                 }
1221                 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1222         }
1223
1224         /* Waiting for command to be returned to OS.*/
1225         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1226                 QLA_SUCCESS)
1227                 ret = SUCCESS;
1228
1229 eh_host_reset_lock:
1230         qla_printk(KERN_INFO, ha, "%s: reset %s.\n", __func__,
1231             (ret == FAILED) ? "failed" : "succeeded");
1232
1233         return ret;
1234 }
1235
1236 /*
1237 * qla2x00_loop_reset
1238 *      Issue loop reset.
1239 *
1240 * Input:
1241 *      ha = adapter block pointer.
1242 *
1243 * Returns:
1244 *      0 = success
1245 */
1246 int
1247 qla2x00_loop_reset(scsi_qla_host_t *vha)
1248 {
1249         int ret;
1250         struct fc_port *fcport;
1251         struct qla_hw_data *ha = vha->hw;
1252
1253         if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1254                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1255                         if (fcport->port_type != FCT_TARGET)
1256                                 continue;
1257
1258                         ret = ha->isp_ops->target_reset(fcport, 0, 0);
1259                         if (ret != QLA_SUCCESS) {
1260                                 ql_dbg(ql_dbg_taskm, vha, 0x802c,
1261                                     "Bus Reset failed: Target Reset=%d "
1262                                     "d_id=%x.\n", ret, fcport->d_id.b24);
1263                         }
1264                 }
1265         }
1266
1267         if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) {
1268                 ret = qla2x00_full_login_lip(vha);
1269                 if (ret != QLA_SUCCESS) {
1270                         ql_dbg(ql_dbg_taskm, vha, 0x802d,
1271                             "full_login_lip=%d.\n", ret);
1272                 }
1273                 atomic_set(&vha->loop_state, LOOP_DOWN);
1274                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1275                 qla2x00_mark_all_devices_lost(vha, 0);
1276                 qla2x00_wait_for_loop_ready(vha);
1277         }
1278
1279         if (ha->flags.enable_lip_reset) {
1280                 ret = qla2x00_lip_reset(vha);
1281                 if (ret != QLA_SUCCESS) {
1282                         ql_dbg(ql_dbg_taskm, vha, 0x802e,
1283                             "lip_reset failed (%d).\n", ret);
1284                 } else
1285                         qla2x00_wait_for_loop_ready(vha);
1286         }
1287
1288         /* Issue marker command only when we are going to start the I/O */
1289         vha->marker_needed = 1;
1290
1291         return QLA_SUCCESS;
1292 }
1293
1294 void
1295 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1296 {
1297         int que, cnt;
1298         unsigned long flags;
1299         srb_t *sp;
1300         struct srb_ctx *ctx;
1301         struct qla_hw_data *ha = vha->hw;
1302         struct req_que *req;
1303
1304         spin_lock_irqsave(&ha->hardware_lock, flags);
1305         for (que = 0; que < ha->max_req_queues; que++) {
1306                 req = ha->req_q_map[que];
1307                 if (!req)
1308                         continue;
1309                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1310                         sp = req->outstanding_cmds[cnt];
1311                         if (sp) {
1312                                 req->outstanding_cmds[cnt] = NULL;
1313                                 if (!sp->ctx ||
1314                                         (sp->flags & SRB_FCP_CMND_DMA_VALID) ||
1315                                         IS_PROT_IO(sp)) {
1316                                         sp->cmd->result = res;
1317                                         qla2x00_sp_compl(ha, sp);
1318                                 } else {
1319                                         ctx = sp->ctx;
1320                                         if (ctx->type == SRB_LOGIN_CMD ||
1321                                             ctx->type == SRB_LOGOUT_CMD) {
1322                                                 ctx->u.iocb_cmd->free(sp);
1323                                         } else {
1324                                                 struct fc_bsg_job *bsg_job =
1325                                                     ctx->u.bsg_job;
1326                                                 if (bsg_job->request->msgcode
1327                                                     == FC_BSG_HST_CT)
1328                                                         kfree(sp->fcport);
1329                                                 bsg_job->req->errors = 0;
1330                                                 bsg_job->reply->result = res;
1331                                                 bsg_job->job_done(bsg_job);
1332                                                 kfree(sp->ctx);
1333                                                 mempool_free(sp,
1334                                                         ha->srb_mempool);
1335                                         }
1336                                 }
1337                         }
1338                 }
1339         }
1340         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1341 }
1342
1343 static int
1344 qla2xxx_slave_alloc(struct scsi_device *sdev)
1345 {
1346         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1347
1348         if (!rport || fc_remote_port_chkready(rport))
1349                 return -ENXIO;
1350
1351         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1352
1353         return 0;
1354 }
1355
1356 static int
1357 qla2xxx_slave_configure(struct scsi_device *sdev)
1358 {
1359         scsi_qla_host_t *vha = shost_priv(sdev->host);
1360         struct req_que *req = vha->req;
1361
1362         if (sdev->tagged_supported)
1363                 scsi_activate_tcq(sdev, req->max_q_depth);
1364         else
1365                 scsi_deactivate_tcq(sdev, req->max_q_depth);
1366         return 0;
1367 }
1368
1369 static void
1370 qla2xxx_slave_destroy(struct scsi_device *sdev)
1371 {
1372         sdev->hostdata = NULL;
1373 }
1374
1375 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1376 {
1377         fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1378
1379         if (!scsi_track_queue_full(sdev, qdepth))
1380                 return;
1381
1382         ql_dbg(ql_dbg_io, fcport->vha, 0x3029,
1383             "Queue depth adjusted-down "
1384             "to %d for scsi(%ld:%d:%d:%d).\n",
1385             sdev->queue_depth, fcport->vha->host_no,
1386             sdev->channel, sdev->id, sdev->lun);
1387 }
1388
1389 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1390 {
1391         fc_port_t *fcport = sdev->hostdata;
1392         struct scsi_qla_host *vha = fcport->vha;
1393         struct req_que *req = NULL;
1394
1395         req = vha->req;
1396         if (!req)
1397                 return;
1398
1399         if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1400                 return;
1401
1402         if (sdev->ordered_tags)
1403                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1404         else
1405                 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1406
1407         ql_dbg(ql_dbg_io, vha, 0x302a,
1408             "Queue depth adjusted-up to %d for "
1409             "scsi(%ld:%d:%d:%d).\n",
1410             sdev->queue_depth, fcport->vha->host_no,
1411             sdev->channel, sdev->id, sdev->lun);
1412 }
1413
1414 static int
1415 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1416 {
1417         switch (reason) {
1418         case SCSI_QDEPTH_DEFAULT:
1419                 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1420                 break;
1421         case SCSI_QDEPTH_QFULL:
1422                 qla2x00_handle_queue_full(sdev, qdepth);
1423                 break;
1424         case SCSI_QDEPTH_RAMP_UP:
1425                 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1426                 break;
1427         default:
1428                 return -EOPNOTSUPP;
1429         }
1430
1431         return sdev->queue_depth;
1432 }
1433
1434 static int
1435 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1436 {
1437         if (sdev->tagged_supported) {
1438                 scsi_set_tag_type(sdev, tag_type);
1439                 if (tag_type)
1440                         scsi_activate_tcq(sdev, sdev->queue_depth);
1441                 else
1442                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1443         } else
1444                 tag_type = 0;
1445
1446         return tag_type;
1447 }
1448
1449 /**
1450  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1451  * @ha: HA context
1452  *
1453  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1454  * supported addressing method.
1455  */
1456 static void
1457 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1458 {
1459         /* Assume a 32bit DMA mask. */
1460         ha->flags.enable_64bit_addressing = 0;
1461
1462         if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1463                 /* Any upper-dword bits set? */
1464                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1465                     !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1466                         /* Ok, a 64bit DMA mask is applicable. */
1467                         ha->flags.enable_64bit_addressing = 1;
1468                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1469                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1470                         return;
1471                 }
1472         }
1473
1474         dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1475         pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1476 }
1477
1478 static void
1479 qla2x00_enable_intrs(struct qla_hw_data *ha)
1480 {
1481         unsigned long flags = 0;
1482         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1483
1484         spin_lock_irqsave(&ha->hardware_lock, flags);
1485         ha->interrupts_on = 1;
1486         /* enable risc and host interrupts */
1487         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1488         RD_REG_WORD(&reg->ictrl);
1489         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1490
1491 }
1492
1493 static void
1494 qla2x00_disable_intrs(struct qla_hw_data *ha)
1495 {
1496         unsigned long flags = 0;
1497         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1498
1499         spin_lock_irqsave(&ha->hardware_lock, flags);
1500         ha->interrupts_on = 0;
1501         /* disable risc and host interrupts */
1502         WRT_REG_WORD(&reg->ictrl, 0);
1503         RD_REG_WORD(&reg->ictrl);
1504         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1505 }
1506
1507 static void
1508 qla24xx_enable_intrs(struct qla_hw_data *ha)
1509 {
1510         unsigned long flags = 0;
1511         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1512
1513         spin_lock_irqsave(&ha->hardware_lock, flags);
1514         ha->interrupts_on = 1;
1515         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1516         RD_REG_DWORD(&reg->ictrl);
1517         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1518 }
1519
1520 static void
1521 qla24xx_disable_intrs(struct qla_hw_data *ha)
1522 {
1523         unsigned long flags = 0;
1524         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1525
1526         if (IS_NOPOLLING_TYPE(ha))
1527                 return;
1528         spin_lock_irqsave(&ha->hardware_lock, flags);
1529         ha->interrupts_on = 0;
1530         WRT_REG_DWORD(&reg->ictrl, 0);
1531         RD_REG_DWORD(&reg->ictrl);
1532         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1533 }
1534
1535 static struct isp_operations qla2100_isp_ops = {
1536         .pci_config             = qla2100_pci_config,
1537         .reset_chip             = qla2x00_reset_chip,
1538         .chip_diag              = qla2x00_chip_diag,
1539         .config_rings           = qla2x00_config_rings,
1540         .reset_adapter          = qla2x00_reset_adapter,
1541         .nvram_config           = qla2x00_nvram_config,
1542         .update_fw_options      = qla2x00_update_fw_options,
1543         .load_risc              = qla2x00_load_risc,
1544         .pci_info_str           = qla2x00_pci_info_str,
1545         .fw_version_str         = qla2x00_fw_version_str,
1546         .intr_handler           = qla2100_intr_handler,
1547         .enable_intrs           = qla2x00_enable_intrs,
1548         .disable_intrs          = qla2x00_disable_intrs,
1549         .abort_command          = qla2x00_abort_command,
1550         .target_reset           = qla2x00_abort_target,
1551         .lun_reset              = qla2x00_lun_reset,
1552         .fabric_login           = qla2x00_login_fabric,
1553         .fabric_logout          = qla2x00_fabric_logout,
1554         .calc_req_entries       = qla2x00_calc_iocbs_32,
1555         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1556         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1557         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1558         .read_nvram             = qla2x00_read_nvram_data,
1559         .write_nvram            = qla2x00_write_nvram_data,
1560         .fw_dump                = qla2100_fw_dump,
1561         .beacon_on              = NULL,
1562         .beacon_off             = NULL,
1563         .beacon_blink           = NULL,
1564         .read_optrom            = qla2x00_read_optrom_data,
1565         .write_optrom           = qla2x00_write_optrom_data,
1566         .get_flash_version      = qla2x00_get_flash_version,
1567         .start_scsi             = qla2x00_start_scsi,
1568         .abort_isp              = qla2x00_abort_isp,
1569 };
1570
1571 static struct isp_operations qla2300_isp_ops = {
1572         .pci_config             = qla2300_pci_config,
1573         .reset_chip             = qla2x00_reset_chip,
1574         .chip_diag              = qla2x00_chip_diag,
1575         .config_rings           = qla2x00_config_rings,
1576         .reset_adapter          = qla2x00_reset_adapter,
1577         .nvram_config           = qla2x00_nvram_config,
1578         .update_fw_options      = qla2x00_update_fw_options,
1579         .load_risc              = qla2x00_load_risc,
1580         .pci_info_str           = qla2x00_pci_info_str,
1581         .fw_version_str         = qla2x00_fw_version_str,
1582         .intr_handler           = qla2300_intr_handler,
1583         .enable_intrs           = qla2x00_enable_intrs,
1584         .disable_intrs          = qla2x00_disable_intrs,
1585         .abort_command          = qla2x00_abort_command,
1586         .target_reset           = qla2x00_abort_target,
1587         .lun_reset              = qla2x00_lun_reset,
1588         .fabric_login           = qla2x00_login_fabric,
1589         .fabric_logout          = qla2x00_fabric_logout,
1590         .calc_req_entries       = qla2x00_calc_iocbs_32,
1591         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1592         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1593         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1594         .read_nvram             = qla2x00_read_nvram_data,
1595         .write_nvram            = qla2x00_write_nvram_data,
1596         .fw_dump                = qla2300_fw_dump,
1597         .beacon_on              = qla2x00_beacon_on,
1598         .beacon_off             = qla2x00_beacon_off,
1599         .beacon_blink           = qla2x00_beacon_blink,
1600         .read_optrom            = qla2x00_read_optrom_data,
1601         .write_optrom           = qla2x00_write_optrom_data,
1602         .get_flash_version      = qla2x00_get_flash_version,
1603         .start_scsi             = qla2x00_start_scsi,
1604         .abort_isp              = qla2x00_abort_isp,
1605 };
1606
1607 static struct isp_operations qla24xx_isp_ops = {
1608         .pci_config             = qla24xx_pci_config,
1609         .reset_chip             = qla24xx_reset_chip,
1610         .chip_diag              = qla24xx_chip_diag,
1611         .config_rings           = qla24xx_config_rings,
1612         .reset_adapter          = qla24xx_reset_adapter,
1613         .nvram_config           = qla24xx_nvram_config,
1614         .update_fw_options      = qla24xx_update_fw_options,
1615         .load_risc              = qla24xx_load_risc,
1616         .pci_info_str           = qla24xx_pci_info_str,
1617         .fw_version_str         = qla24xx_fw_version_str,
1618         .intr_handler           = qla24xx_intr_handler,
1619         .enable_intrs           = qla24xx_enable_intrs,
1620         .disable_intrs          = qla24xx_disable_intrs,
1621         .abort_command          = qla24xx_abort_command,
1622         .target_reset           = qla24xx_abort_target,
1623         .lun_reset              = qla24xx_lun_reset,
1624         .fabric_login           = qla24xx_login_fabric,
1625         .fabric_logout          = qla24xx_fabric_logout,
1626         .calc_req_entries       = NULL,
1627         .build_iocbs            = NULL,
1628         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1629         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1630         .read_nvram             = qla24xx_read_nvram_data,
1631         .write_nvram            = qla24xx_write_nvram_data,
1632         .fw_dump                = qla24xx_fw_dump,
1633         .beacon_on              = qla24xx_beacon_on,
1634         .beacon_off             = qla24xx_beacon_off,
1635         .beacon_blink           = qla24xx_beacon_blink,
1636         .read_optrom            = qla24xx_read_optrom_data,
1637         .write_optrom           = qla24xx_write_optrom_data,
1638         .get_flash_version      = qla24xx_get_flash_version,
1639         .start_scsi             = qla24xx_start_scsi,
1640         .abort_isp              = qla2x00_abort_isp,
1641 };
1642
1643 static struct isp_operations qla25xx_isp_ops = {
1644         .pci_config             = qla25xx_pci_config,
1645         .reset_chip             = qla24xx_reset_chip,
1646         .chip_diag              = qla24xx_chip_diag,
1647         .config_rings           = qla24xx_config_rings,
1648         .reset_adapter          = qla24xx_reset_adapter,
1649         .nvram_config           = qla24xx_nvram_config,
1650         .update_fw_options      = qla24xx_update_fw_options,
1651         .load_risc              = qla24xx_load_risc,
1652         .pci_info_str           = qla24xx_pci_info_str,
1653         .fw_version_str         = qla24xx_fw_version_str,
1654         .intr_handler           = qla24xx_intr_handler,
1655         .enable_intrs           = qla24xx_enable_intrs,
1656         .disable_intrs          = qla24xx_disable_intrs,
1657         .abort_command          = qla24xx_abort_command,
1658         .target_reset           = qla24xx_abort_target,
1659         .lun_reset              = qla24xx_lun_reset,
1660         .fabric_login           = qla24xx_login_fabric,
1661         .fabric_logout          = qla24xx_fabric_logout,
1662         .calc_req_entries       = NULL,
1663         .build_iocbs            = NULL,
1664         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1665         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1666         .read_nvram             = qla25xx_read_nvram_data,
1667         .write_nvram            = qla25xx_write_nvram_data,
1668         .fw_dump                = qla25xx_fw_dump,
1669         .beacon_on              = qla24xx_beacon_on,
1670         .beacon_off             = qla24xx_beacon_off,
1671         .beacon_blink           = qla24xx_beacon_blink,
1672         .read_optrom            = qla25xx_read_optrom_data,
1673         .write_optrom           = qla24xx_write_optrom_data,
1674         .get_flash_version      = qla24xx_get_flash_version,
1675         .start_scsi             = qla24xx_dif_start_scsi,
1676         .abort_isp              = qla2x00_abort_isp,
1677 };
1678
1679 static struct isp_operations qla81xx_isp_ops = {
1680         .pci_config             = qla25xx_pci_config,
1681         .reset_chip             = qla24xx_reset_chip,
1682         .chip_diag              = qla24xx_chip_diag,
1683         .config_rings           = qla24xx_config_rings,
1684         .reset_adapter          = qla24xx_reset_adapter,
1685         .nvram_config           = qla81xx_nvram_config,
1686         .update_fw_options      = qla81xx_update_fw_options,
1687         .load_risc              = qla81xx_load_risc,
1688         .pci_info_str           = qla24xx_pci_info_str,
1689         .fw_version_str         = qla24xx_fw_version_str,
1690         .intr_handler           = qla24xx_intr_handler,
1691         .enable_intrs           = qla24xx_enable_intrs,
1692         .disable_intrs          = qla24xx_disable_intrs,
1693         .abort_command          = qla24xx_abort_command,
1694         .target_reset           = qla24xx_abort_target,
1695         .lun_reset              = qla24xx_lun_reset,
1696         .fabric_login           = qla24xx_login_fabric,
1697         .fabric_logout          = qla24xx_fabric_logout,
1698         .calc_req_entries       = NULL,
1699         .build_iocbs            = NULL,
1700         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1701         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1702         .read_nvram             = NULL,
1703         .write_nvram            = NULL,
1704         .fw_dump                = qla81xx_fw_dump,
1705         .beacon_on              = qla24xx_beacon_on,
1706         .beacon_off             = qla24xx_beacon_off,
1707         .beacon_blink           = qla24xx_beacon_blink,
1708         .read_optrom            = qla25xx_read_optrom_data,
1709         .write_optrom           = qla24xx_write_optrom_data,
1710         .get_flash_version      = qla24xx_get_flash_version,
1711         .start_scsi             = qla24xx_dif_start_scsi,
1712         .abort_isp              = qla2x00_abort_isp,
1713 };
1714
1715 static struct isp_operations qla82xx_isp_ops = {
1716         .pci_config             = qla82xx_pci_config,
1717         .reset_chip             = qla82xx_reset_chip,
1718         .chip_diag              = qla24xx_chip_diag,
1719         .config_rings           = qla82xx_config_rings,
1720         .reset_adapter          = qla24xx_reset_adapter,
1721         .nvram_config           = qla81xx_nvram_config,
1722         .update_fw_options      = qla24xx_update_fw_options,
1723         .load_risc              = qla82xx_load_risc,
1724         .pci_info_str           = qla82xx_pci_info_str,
1725         .fw_version_str         = qla24xx_fw_version_str,
1726         .intr_handler           = qla82xx_intr_handler,
1727         .enable_intrs           = qla82xx_enable_intrs,
1728         .disable_intrs          = qla82xx_disable_intrs,
1729         .abort_command          = qla24xx_abort_command,
1730         .target_reset           = qla24xx_abort_target,
1731         .lun_reset              = qla24xx_lun_reset,
1732         .fabric_login           = qla24xx_login_fabric,
1733         .fabric_logout          = qla24xx_fabric_logout,
1734         .calc_req_entries       = NULL,
1735         .build_iocbs            = NULL,
1736         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1737         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1738         .read_nvram             = qla24xx_read_nvram_data,
1739         .write_nvram            = qla24xx_write_nvram_data,
1740         .fw_dump                = qla24xx_fw_dump,
1741         .beacon_on              = qla24xx_beacon_on,
1742         .beacon_off             = qla24xx_beacon_off,
1743         .beacon_blink           = qla24xx_beacon_blink,
1744         .read_optrom            = qla82xx_read_optrom_data,
1745         .write_optrom           = qla82xx_write_optrom_data,
1746         .get_flash_version      = qla24xx_get_flash_version,
1747         .start_scsi             = qla82xx_start_scsi,
1748         .abort_isp              = qla82xx_abort_isp,
1749 };
1750
1751 static inline void
1752 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1753 {
1754         ha->device_type = DT_EXTENDED_IDS;
1755         switch (ha->pdev->device) {
1756         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1757                 ha->device_type |= DT_ISP2100;
1758                 ha->device_type &= ~DT_EXTENDED_IDS;
1759                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1760                 break;
1761         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1762                 ha->device_type |= DT_ISP2200;
1763                 ha->device_type &= ~DT_EXTENDED_IDS;
1764                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1765                 break;
1766         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1767                 ha->device_type |= DT_ISP2300;
1768                 ha->device_type |= DT_ZIO_SUPPORTED;
1769                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1770                 break;
1771         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1772                 ha->device_type |= DT_ISP2312;
1773                 ha->device_type |= DT_ZIO_SUPPORTED;
1774                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1775                 break;
1776         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1777                 ha->device_type |= DT_ISP2322;
1778                 ha->device_type |= DT_ZIO_SUPPORTED;
1779                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1780                     ha->pdev->subsystem_device == 0x0170)
1781                         ha->device_type |= DT_OEM_001;
1782                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1783                 break;
1784         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1785                 ha->device_type |= DT_ISP6312;
1786                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1787                 break;
1788         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1789                 ha->device_type |= DT_ISP6322;
1790                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1791                 break;
1792         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1793                 ha->device_type |= DT_ISP2422;
1794                 ha->device_type |= DT_ZIO_SUPPORTED;
1795                 ha->device_type |= DT_FWI2;
1796                 ha->device_type |= DT_IIDMA;
1797                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1798                 break;
1799         case PCI_DEVICE_ID_QLOGIC_ISP2432:
1800                 ha->device_type |= DT_ISP2432;
1801                 ha->device_type |= DT_ZIO_SUPPORTED;
1802                 ha->device_type |= DT_FWI2;
1803                 ha->device_type |= DT_IIDMA;
1804                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1805                 break;
1806         case PCI_DEVICE_ID_QLOGIC_ISP8432:
1807                 ha->device_type |= DT_ISP8432;
1808                 ha->device_type |= DT_ZIO_SUPPORTED;
1809                 ha->device_type |= DT_FWI2;
1810                 ha->device_type |= DT_IIDMA;
1811                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1812                 break;
1813         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1814                 ha->device_type |= DT_ISP5422;
1815                 ha->device_type |= DT_FWI2;
1816                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1817                 break;
1818         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1819                 ha->device_type |= DT_ISP5432;
1820                 ha->device_type |= DT_FWI2;
1821                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1822                 break;
1823         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1824                 ha->device_type |= DT_ISP2532;
1825                 ha->device_type |= DT_ZIO_SUPPORTED;
1826                 ha->device_type |= DT_FWI2;
1827                 ha->device_type |= DT_IIDMA;
1828                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1829                 break;
1830         case PCI_DEVICE_ID_QLOGIC_ISP8001:
1831                 ha->device_type |= DT_ISP8001;
1832                 ha->device_type |= DT_ZIO_SUPPORTED;
1833                 ha->device_type |= DT_FWI2;
1834                 ha->device_type |= DT_IIDMA;
1835                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1836                 break;
1837         case PCI_DEVICE_ID_QLOGIC_ISP8021:
1838                 ha->device_type |= DT_ISP8021;
1839                 ha->device_type |= DT_ZIO_SUPPORTED;
1840                 ha->device_type |= DT_FWI2;
1841                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1842                 /* Initialize 82XX ISP flags */
1843                 qla82xx_init_flags(ha);
1844                 break;
1845         }
1846
1847         if (IS_QLA82XX(ha))
1848                 ha->port_no = !(ha->portnum & 1);
1849         else
1850                 /* Get adapter physical port no from interrupt pin register. */
1851                 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1852
1853         if (ha->port_no & 1)
1854                 ha->flags.port0 = 1;
1855         else
1856                 ha->flags.port0 = 0;
1857         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
1858             "device_type=0x%x port=%d fw_srisc_address=%p.\n",
1859             ha->device_type, ha->flags.port0, ha->fw_srisc_address);
1860 }
1861
1862 static int
1863 qla2x00_iospace_config(struct qla_hw_data *ha)
1864 {
1865         resource_size_t pio;
1866         uint16_t msix;
1867         int cpus;
1868
1869         if (IS_QLA82XX(ha))
1870                 return qla82xx_iospace_config(ha);
1871
1872         if (pci_request_selected_regions(ha->pdev, ha->bars,
1873             QLA2XXX_DRIVER_NAME)) {
1874                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1875                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1876                     pci_name(ha->pdev));
1877                 goto iospace_error_exit;
1878         }
1879         if (!(ha->bars & 1))
1880                 goto skip_pio;
1881
1882         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1883         pio = pci_resource_start(ha->pdev, 0);
1884         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1885                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1886                         ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1887                             "Invalid pci I/O region size (%s).\n",
1888                             pci_name(ha->pdev));
1889                         pio = 0;
1890                 }
1891         } else {
1892                 ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1893                     "Region #0 no a PIO resource (%s).\n",
1894                     pci_name(ha->pdev));
1895                 pio = 0;
1896         }
1897         ha->pio_address = pio;
1898         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1899             "PIO address=%p.\n",
1900             ha->pio_address);
1901
1902 skip_pio:
1903         /* Use MMIO operations for all accesses. */
1904         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1905                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1906                     "Region #1 not an MMIO resource (%s), aborting.\n",
1907                     pci_name(ha->pdev));
1908                 goto iospace_error_exit;
1909         }
1910         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1911                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1912                     "Invalid PCI mem region size (%s), aborting.\n",
1913                     pci_name(ha->pdev));
1914                 goto iospace_error_exit;
1915         }
1916
1917         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1918         if (!ha->iobase) {
1919                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
1920                     "Cannot remap MMIO (%s), aborting.\n",
1921                     pci_name(ha->pdev));
1922                 goto iospace_error_exit;
1923         }
1924
1925         /* Determine queue resources */
1926         ha->max_req_queues = ha->max_rsp_queues = 1;
1927         if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1928                 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1929                 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1930                 goto mqiobase_exit;
1931
1932         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1933                         pci_resource_len(ha->pdev, 3));
1934         if (ha->mqiobase) {
1935                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
1936                     "MQIO Base=%p.\n", ha->mqiobase);
1937                 /* Read MSIX vector size of the board */
1938                 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1939                 ha->msix_count = msix;
1940                 /* Max queues are bounded by available msix vectors */
1941                 /* queue 0 uses two msix vectors */
1942                 if (ql2xmultique_tag) {
1943                         cpus = num_online_cpus();
1944                         ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1945                                 (cpus + 1) : (ha->msix_count - 1);
1946                         ha->max_req_queues = 2;
1947                 } else if (ql2xmaxqueues > 1) {
1948                         ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1949                             QLA_MQ_SIZE : ql2xmaxqueues;
1950                         ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc008,
1951                             "QoS mode set, max no of request queues:%d.\n",
1952                             ha->max_req_queues);
1953                         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0019,
1954                             "QoS mode set, max no of request queues:%d.\n",
1955                             ha->max_req_queues);
1956                 }
1957                 ql_log_pci(ql_log_info, ha->pdev, 0x001a,
1958                     "MSI-X vector count: %d.\n", msix);
1959         } else
1960                 ql_log_pci(ql_log_info, ha->pdev, 0x001b,
1961                     "BAR 3 not enabled.\n");
1962
1963 mqiobase_exit:
1964         ha->msix_count = ha->max_rsp_queues + 1;
1965         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
1966             "MSIX Count:%d.\n", ha->msix_count);
1967         return (0);
1968
1969 iospace_error_exit:
1970         return (-ENOMEM);
1971 }
1972
1973 static void
1974 qla2xxx_scan_start(struct Scsi_Host *shost)
1975 {
1976         scsi_qla_host_t *vha = shost_priv(shost);
1977
1978         if (vha->hw->flags.running_gold_fw)
1979                 return;
1980
1981         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1982         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1983         set_bit(RSCN_UPDATE, &vha->dpc_flags);
1984         set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1985 }
1986
1987 static int
1988 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1989 {
1990         scsi_qla_host_t *vha = shost_priv(shost);
1991
1992         if (!vha->host)
1993                 return 1;
1994         if (time > vha->hw->loop_reset_delay * HZ)
1995                 return 1;
1996
1997         return atomic_read(&vha->loop_state) == LOOP_READY;
1998 }
1999
2000 /*
2001  * PCI driver interface
2002  */
2003 static int __devinit
2004 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2005 {
2006         int     ret = -ENODEV;
2007         struct Scsi_Host *host;
2008         scsi_qla_host_t *base_vha = NULL;
2009         struct qla_hw_data *ha;
2010         char pci_info[30];
2011         char fw_str[30];
2012         struct scsi_host_template *sht;
2013         int bars, max_id, mem_only = 0;
2014         uint16_t req_length = 0, rsp_length = 0;
2015         struct req_que *req = NULL;
2016         struct rsp_que *rsp = NULL;
2017
2018         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2019         sht = &qla2xxx_driver_template;
2020         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2021             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2022             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2023             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2024             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2025             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2026             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2027             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
2028                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
2029                 mem_only = 1;
2030                 ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2031                     "Mem only adapter.\n");
2032         }
2033         ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2034             "Bars=%d.\n", bars);
2035
2036         if (mem_only) {
2037                 if (pci_enable_device_mem(pdev))
2038                         goto probe_out;
2039         } else {
2040                 if (pci_enable_device(pdev))
2041                         goto probe_out;
2042         }
2043
2044         /* This may fail but that's ok */
2045         pci_enable_pcie_error_reporting(pdev);
2046
2047         ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2048         if (!ha) {
2049                 ql_log_pci(ql_log_fatal, pdev, 0x0009,
2050                     "Unable to allocate memory for ha.\n");
2051                 goto probe_out;
2052         }
2053         ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2054             "Memory allocated for ha=%p.\n", ha);
2055         ha->pdev = pdev;
2056
2057         /* Clear our data area */
2058         ha->bars = bars;
2059         ha->mem_only = mem_only;
2060         spin_lock_init(&ha->hardware_lock);
2061         spin_lock_init(&ha->vport_slock);
2062
2063         /* Set ISP-type information. */
2064         qla2x00_set_isp_flags(ha);
2065
2066         /* Set EEH reset type to fundamental if required by hba */
2067         if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
2068                 pdev->needs_freset = 1;
2069         }
2070
2071         /* Configure PCI I/O space */
2072         ret = qla2x00_iospace_config(ha);
2073         if (ret)
2074                 goto probe_hw_failed;
2075
2076         ql_log_pci(ql_log_info, pdev, 0x001d,
2077             "Found an ISP%04X irq %d iobase 0x%p.\n",
2078             pdev->device, pdev->irq, ha->iobase);
2079         ha->prev_topology = 0;
2080         ha->init_cb_size = sizeof(init_cb_t);
2081         ha->link_data_rate = PORT_SPEED_UNKNOWN;
2082         ha->optrom_size = OPTROM_SIZE_2300;
2083
2084         /* Assign ISP specific operations. */
2085         max_id = MAX_TARGETS_2200;
2086         if (IS_QLA2100(ha)) {
2087                 max_id = MAX_TARGETS_2100;
2088                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2089                 req_length = REQUEST_ENTRY_CNT_2100;
2090                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2091                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2092                 ha->gid_list_info_size = 4;
2093                 ha->flash_conf_off = ~0;
2094                 ha->flash_data_off = ~0;
2095                 ha->nvram_conf_off = ~0;
2096                 ha->nvram_data_off = ~0;
2097                 ha->isp_ops = &qla2100_isp_ops;
2098         } else if (IS_QLA2200(ha)) {
2099                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2100                 req_length = REQUEST_ENTRY_CNT_2200;
2101                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2102                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2103                 ha->gid_list_info_size = 4;
2104                 ha->flash_conf_off = ~0;
2105                 ha->flash_data_off = ~0;
2106                 ha->nvram_conf_off = ~0;
2107                 ha->nvram_data_off = ~0;
2108                 ha->isp_ops = &qla2100_isp_ops;
2109         } else if (IS_QLA23XX(ha)) {
2110                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2111                 req_length = REQUEST_ENTRY_CNT_2200;
2112                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2113                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2114                 ha->gid_list_info_size = 6;
2115                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2116                         ha->optrom_size = OPTROM_SIZE_2322;
2117                 ha->flash_conf_off = ~0;
2118                 ha->flash_data_off = ~0;
2119                 ha->nvram_conf_off = ~0;
2120                 ha->nvram_data_off = ~0;
2121                 ha->isp_ops = &qla2300_isp_ops;
2122         } else if (IS_QLA24XX_TYPE(ha)) {
2123                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2124                 req_length = REQUEST_ENTRY_CNT_24XX;
2125                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2126                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2127                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2128                 ha->gid_list_info_size = 8;
2129                 ha->optrom_size = OPTROM_SIZE_24XX;
2130                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2131                 ha->isp_ops = &qla24xx_isp_ops;
2132                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2133                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2134                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2135                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2136         } else if (IS_QLA25XX(ha)) {
2137                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2138                 req_length = REQUEST_ENTRY_CNT_24XX;
2139                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2140                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2141                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2142                 ha->gid_list_info_size = 8;
2143                 ha->optrom_size = OPTROM_SIZE_25XX;
2144                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2145                 ha->isp_ops = &qla25xx_isp_ops;
2146                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2147                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2148                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2149                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2150         } else if (IS_QLA81XX(ha)) {
2151                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2152                 req_length = REQUEST_ENTRY_CNT_24XX;
2153                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2154                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2155                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2156                 ha->gid_list_info_size = 8;
2157                 ha->optrom_size = OPTROM_SIZE_81XX;
2158                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2159                 ha->isp_ops = &qla81xx_isp_ops;
2160                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2161                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2162                 ha->nvram_conf_off = ~0;
2163                 ha->nvram_data_off = ~0;
2164         } else if (IS_QLA82XX(ha)) {
2165                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2166                 req_length = REQUEST_ENTRY_CNT_82XX;
2167                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2168                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2169                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2170                 ha->gid_list_info_size = 8;
2171                 ha->optrom_size = OPTROM_SIZE_82XX;
2172                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2173                 ha->isp_ops = &qla82xx_isp_ops;
2174                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2175                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2176                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2177                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2178         }
2179         ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
2180             "mbx_count=%d, req_length=%d, "
2181             "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2182             "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, .\n",
2183             ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
2184             ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2185             ha->nvram_npiv_size);
2186         ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
2187             "isp_ops=%p, flash_conf_off=%d, "
2188             "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
2189             ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
2190             ha->nvram_conf_off, ha->nvram_data_off);
2191         mutex_init(&ha->vport_lock);
2192         init_completion(&ha->mbx_cmd_comp);
2193         complete(&ha->mbx_cmd_comp);
2194         init_completion(&ha->mbx_intr_comp);
2195         init_completion(&ha->dcbx_comp);
2196
2197         set_bit(0, (unsigned long *) ha->vp_idx_map);
2198
2199         qla2x00_config_dma_addressing(ha);
2200         ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
2201             "64 Bit addressing is %s.\n",
2202             ha->flags.enable_64bit_addressing ? "enable" :
2203             "disable");
2204         ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2205         if (!ret) {
2206                 ql_log_pci(ql_log_fatal, pdev, 0x0031,
2207                     "Failed to allocate memory for adapter, aborting.\n");
2208
2209                 goto probe_hw_failed;
2210         }
2211
2212         req->max_q_depth = MAX_Q_DEPTH;
2213         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2214                 req->max_q_depth = ql2xmaxqdepth;
2215
2216
2217         base_vha = qla2x00_create_host(sht, ha);
2218         if (!base_vha) {
2219                 ret = -ENOMEM;
2220                 qla2x00_mem_free(ha);
2221                 qla2x00_free_req_que(ha, req);
2222                 qla2x00_free_rsp_que(ha, rsp);
2223                 goto probe_hw_failed;
2224         }
2225
2226         pci_set_drvdata(pdev, base_vha);
2227
2228         host = base_vha->host;
2229         base_vha->req = req;
2230         host->can_queue = req->length + 128;
2231         if (IS_QLA2XXX_MIDTYPE(ha))
2232                 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2233         else
2234                 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2235                                                 base_vha->vp_idx;
2236
2237         /* Set the SG table size based on ISP type */
2238         if (!IS_FWI2_CAPABLE(ha)) {
2239                 if (IS_QLA2100(ha))
2240                         host->sg_tablesize = 32;
2241         } else {
2242                 if (!IS_QLA82XX(ha))
2243                         host->sg_tablesize = QLA_SG_ALL;
2244         }
2245         ql_dbg(ql_dbg_init, base_vha, 0x0032,
2246             "can_queue=%d, req=%p, "
2247             "mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
2248             host->can_queue, base_vha->req,
2249             base_vha->mgmt_svr_loop_id, host->sg_tablesize);
2250         host->max_id = max_id;
2251         host->this_id = 255;
2252         host->cmd_per_lun = 3;
2253         host->unique_id = host->host_no;
2254         if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif)
2255                 host->max_cmd_len = 32;
2256         else
2257                 host->max_cmd_len = MAX_CMDSZ;
2258         host->max_channel = MAX_BUSES - 1;
2259         host->max_lun = ql2xmaxlun;
2260         host->transportt = qla2xxx_transport_template;
2261         sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2262
2263         ql_dbg(ql_dbg_init, base_vha, 0x0033,
2264             "max_id=%d this_id=%d "
2265             "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
2266             "max_lun=%d transportt=%p, vendor_id=%d.\n", host->max_id,
2267             host->this_id, host->cmd_per_lun, host->unique_id,
2268             host->max_cmd_len, host->max_channel, host->max_lun,
2269             host->transportt, sht->vendor_id);
2270
2271         /* Set up the irqs */
2272         ret = qla2x00_request_irqs(ha, rsp);
2273         if (ret)
2274                 goto probe_init_failed;
2275
2276         pci_save_state(pdev);
2277
2278         /* Alloc arrays of request and response ring ptrs */
2279 que_init:
2280         if (!qla2x00_alloc_queues(ha)) {
2281                 ql_log(ql_log_fatal, base_vha, 0x003d,
2282                     "Failed to allocate memory for queue pointers.. aborting.\n");
2283                 goto probe_init_failed;
2284         }
2285
2286         ha->rsp_q_map[0] = rsp;
2287         ha->req_q_map[0] = req;
2288         rsp->req = req;
2289         req->rsp = rsp;
2290         set_bit(0, ha->req_qid_map);
2291         set_bit(0, ha->rsp_qid_map);
2292         /* FWI2-capable only. */
2293         req->req_q_in = &ha->iobase->isp24.req_q_in;
2294         req->req_q_out = &ha->iobase->isp24.req_q_out;
2295         rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2296         rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2297         if (ha->mqenable) {
2298                 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2299                 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2300                 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2301                 rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
2302         }
2303
2304         if (IS_QLA82XX(ha)) {
2305                 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2306                 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2307                 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2308         }
2309
2310         ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
2311             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2312             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2313         ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
2314             "req->req_q_in=%p req->req_q_out=%p "
2315             "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2316             req->req_q_in, req->req_q_out,
2317             rsp->rsp_q_in, rsp->rsp_q_out);
2318         ql_dbg(ql_dbg_init, base_vha, 0x003e,
2319             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2320             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2321         ql_dbg(ql_dbg_init, base_vha, 0x003f,
2322             "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2323             req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
2324
2325         if (qla2x00_initialize_adapter(base_vha)) {
2326                 ql_log(ql_log_fatal, base_vha, 0x00d6,
2327                     "Failed to initialize adapter - Adapter flags %x.\n",
2328                     base_vha->device_flags);
2329
2330                 if (IS_QLA82XX(ha)) {
2331                         qla82xx_idc_lock(ha);
2332                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2333                                 QLA82XX_DEV_FAILED);
2334                         qla82xx_idc_unlock(ha);
2335                         ql_log(ql_log_fatal, base_vha, 0x00d7,
2336                             "HW State: FAILED.\n");
2337                 }
2338
2339                 ret = -ENODEV;
2340                 goto probe_failed;
2341         }
2342
2343         if (ha->mqenable) {
2344                 if (qla25xx_setup_mode(base_vha)) {
2345                         ql_log(ql_log_warn, base_vha, 0x00ec,
2346                             "Failed to create queues, falling back to single queue mode.\n");
2347                         goto que_init;
2348                 }
2349         }
2350
2351         if (ha->flags.running_gold_fw)
2352                 goto skip_dpc;
2353
2354         /*
2355          * Startup the kernel thread for this host adapter
2356          */
2357         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2358             "%s_dpc", base_vha->host_str);
2359         if (IS_ERR(ha->dpc_thread)) {
2360                 ql_log(ql_log_fatal, base_vha, 0x00ed,
2361                     "Failed to start DPC thread.\n");
2362                 ret = PTR_ERR(ha->dpc_thread);
2363                 goto probe_failed;
2364         }
2365         ql_dbg(ql_dbg_init, base_vha, 0x00ee,
2366             "DPC thread started successfully.\n");
2367
2368 skip_dpc:
2369         list_add_tail(&base_vha->list, &ha->vp_list);
2370         base_vha->host->irq = ha->pdev->irq;
2371
2372         /* Initialized the timer */
2373         qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2374         ql_dbg(ql_dbg_init, base_vha, 0x00ef,
2375             "Started qla2x00_timer with "
2376             "interval=%d.\n", WATCH_INTERVAL);
2377         ql_dbg(ql_dbg_init, base_vha, 0x00f0,
2378             "Detected hba at address=%p.\n",
2379             ha);
2380
2381         if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) {
2382                 if (ha->fw_attributes & BIT_4) {
2383                         base_vha->flags.difdix_supported = 1;
2384                         ql_dbg(ql_dbg_init, base_vha, 0x00f1,
2385                             "Registering for DIF/DIX type 1 and 3 protection.\n");
2386                         scsi_host_set_prot(host,
2387                             SHOST_DIF_TYPE1_PROTECTION
2388                             | SHOST_DIF_TYPE2_PROTECTION
2389                             | SHOST_DIF_TYPE3_PROTECTION
2390                             | SHOST_DIX_TYPE1_PROTECTION
2391                             | SHOST_DIX_TYPE2_PROTECTION
2392                             | SHOST_DIX_TYPE3_PROTECTION);
2393                         scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2394                 } else
2395                         base_vha->flags.difdix_supported = 0;
2396         }
2397
2398         ha->isp_ops->enable_intrs(ha);
2399
2400         ret = scsi_add_host(host, &pdev->dev);
2401         if (ret)
2402                 goto probe_failed;
2403
2404         base_vha->flags.init_done = 1;
2405         base_vha->flags.online = 1;
2406
2407         ql_dbg(ql_dbg_init, base_vha, 0x00f2,
2408             "Init done and hba is online.\n");
2409
2410         scsi_scan_host(host);
2411
2412         qla2x00_alloc_sysfs_attr(base_vha);
2413
2414         qla2x00_init_host_attr(base_vha);
2415
2416         qla2x00_dfs_setup(base_vha);
2417
2418         ql_log(ql_log_info, base_vha, 0x00fa,
2419             "QLogic Fibre Channed HBA Driver: %s.\n",
2420             qla2x00_version_str);
2421         ql_log(ql_log_info, base_vha, 0x00fb,
2422             "QLogic %s - %s.\n",
2423             ha->model_number, ha->model_desc ? ha->model_desc : "");
2424         ql_log(ql_log_info, base_vha, 0x00fc,
2425             "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
2426             pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
2427             pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
2428             base_vha->host_no,
2429             ha->isp_ops->fw_version_str(base_vha, fw_str));
2430
2431         return 0;
2432
2433 probe_init_failed:
2434         qla2x00_free_req_que(ha, req);
2435         qla2x00_free_rsp_que(ha, rsp);
2436         ha->max_req_queues = ha->max_rsp_queues = 0;
2437
2438 probe_failed:
2439         if (base_vha->timer_active)
2440                 qla2x00_stop_timer(base_vha);
2441         base_vha->flags.online = 0;
2442         if (ha->dpc_thread) {
2443                 struct task_struct *t = ha->dpc_thread;
2444
2445                 ha->dpc_thread = NULL;
2446                 kthread_stop(t);
2447         }
2448
2449         qla2x00_free_device(base_vha);
2450
2451         scsi_host_put(base_vha->host);
2452
2453 probe_hw_failed:
2454         if (IS_QLA82XX(ha)) {
2455                 qla82xx_idc_lock(ha);
2456                 qla82xx_clear_drv_active(ha);
2457                 qla82xx_idc_unlock(ha);
2458                 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2459                 if (!ql2xdbwr)
2460                         iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2461         } else {
2462                 if (ha->iobase)
2463                         iounmap(ha->iobase);
2464         }
2465         pci_release_selected_regions(ha->pdev, ha->bars);
2466         kfree(ha);
2467         ha = NULL;
2468
2469 probe_out:
2470         pci_disable_device(pdev);
2471         return ret;
2472 }
2473
2474 static void
2475 qla2x00_shutdown(struct pci_dev *pdev)
2476 {
2477         scsi_qla_host_t *vha;
2478         struct qla_hw_data  *ha;
2479
2480         vha = pci_get_drvdata(pdev);
2481         ha = vha->hw;
2482
2483         /* Turn-off FCE trace */
2484         if (ha->flags.fce_enabled) {
2485                 qla2x00_disable_fce_trace(vha, NULL, NULL);
2486                 ha->flags.fce_enabled = 0;
2487         }
2488
2489         /* Turn-off EFT trace */
2490         if (ha->eft)
2491                 qla2x00_disable_eft_trace(vha);
2492
2493         /* Stop currently executing firmware. */
2494         qla2x00_try_to_stop_firmware(vha);
2495
2496         /* Turn adapter off line */
2497         vha->flags.online = 0;
2498
2499         /* turn-off interrupts on the card */
2500         if (ha->interrupts_on) {
2501                 vha->flags.init_done = 0;
2502                 ha->isp_ops->disable_intrs(ha);
2503         }
2504
2505         qla2x00_free_irqs(vha);
2506
2507         qla2x00_free_fw_dump(ha);
2508 }
2509
2510 static void
2511 qla2x00_remove_one(struct pci_dev *pdev)
2512 {
2513         scsi_qla_host_t *base_vha, *vha;
2514         struct qla_hw_data  *ha;
2515         unsigned long flags;
2516
2517         base_vha = pci_get_drvdata(pdev);
2518         ha = base_vha->hw;
2519
2520         mutex_lock(&ha->vport_lock);
2521         while (ha->cur_vport_count) {
2522                 struct Scsi_Host *scsi_host;
2523
2524                 spin_lock_irqsave(&ha->vport_slock, flags);
2525
2526                 BUG_ON(base_vha->list.next == &ha->vp_list);
2527                 /* This assumes first entry in ha->vp_list is always base vha */
2528                 vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
2529                 scsi_host = scsi_host_get(vha->host);
2530
2531                 spin_unlock_irqrestore(&ha->vport_slock, flags);
2532                 mutex_unlock(&ha->vport_lock);
2533
2534                 fc_vport_terminate(vha->fc_vport);
2535                 scsi_host_put(vha->host);
2536
2537                 mutex_lock(&ha->vport_lock);
2538         }
2539         mutex_unlock(&ha->vport_lock);
2540
2541         set_bit(UNLOADING, &base_vha->dpc_flags);
2542
2543         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2544
2545         qla2x00_dfs_remove(base_vha);
2546
2547         qla84xx_put_chip(base_vha);
2548
2549         /* Disable timer */
2550         if (base_vha->timer_active)
2551                 qla2x00_stop_timer(base_vha);
2552
2553         base_vha->flags.online = 0;
2554
2555         /* Flush the work queue and remove it */
2556         if (ha->wq) {
2557                 flush_workqueue(ha->wq);
2558                 destroy_workqueue(ha->wq);
2559                 ha->wq = NULL;
2560         }
2561
2562         /* Kill the kernel thread for this host */
2563         if (ha->dpc_thread) {
2564                 struct task_struct *t = ha->dpc_thread;
2565
2566                 /*
2567                  * qla2xxx_wake_dpc checks for ->dpc_thread
2568                  * so we need to zero it out.
2569                  */
2570                 ha->dpc_thread = NULL;
2571                 kthread_stop(t);
2572         }
2573
2574         qla2x00_free_sysfs_attr(base_vha);
2575
2576         fc_remove_host(base_vha->host);
2577
2578         scsi_remove_host(base_vha->host);
2579
2580         qla2x00_free_device(base_vha);
2581
2582         scsi_host_put(base_vha->host);
2583
2584         if (IS_QLA82XX(ha)) {
2585                 qla82xx_idc_lock(ha);
2586                 qla82xx_clear_drv_active(ha);
2587                 qla82xx_idc_unlock(ha);
2588
2589                 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2590                 if (!ql2xdbwr)
2591                         iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2592         } else {
2593                 if (ha->iobase)
2594                         iounmap(ha->iobase);
2595
2596                 if (ha->mqiobase)
2597                         iounmap(ha->mqiobase);
2598         }
2599
2600         pci_release_selected_regions(ha->pdev, ha->bars);
2601         kfree(ha);
2602         ha = NULL;
2603
2604         pci_disable_pcie_error_reporting(pdev);
2605
2606         pci_disable_device(pdev);
2607         pci_set_drvdata(pdev, NULL);
2608 }
2609
2610 static void
2611 qla2x00_free_device(scsi_qla_host_t *vha)
2612 {
2613         struct qla_hw_data *ha = vha->hw;
2614
2615         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2616
2617         /* Disable timer */
2618         if (vha->timer_active)
2619                 qla2x00_stop_timer(vha);
2620
2621         /* Kill the kernel thread for this host */
2622         if (ha->dpc_thread) {
2623                 struct task_struct *t = ha->dpc_thread;
2624
2625                 /*
2626                  * qla2xxx_wake_dpc checks for ->dpc_thread
2627                  * so we need to zero it out.
2628                  */
2629                 ha->dpc_thread = NULL;
2630                 kthread_stop(t);
2631         }
2632
2633         qla25xx_delete_queues(vha);
2634
2635         if (ha->flags.fce_enabled)
2636                 qla2x00_disable_fce_trace(vha, NULL, NULL);
2637
2638         if (ha->eft)
2639                 qla2x00_disable_eft_trace(vha);
2640
2641         /* Stop currently executing firmware. */
2642         qla2x00_try_to_stop_firmware(vha);
2643
2644         vha->flags.online = 0;
2645
2646         /* turn-off interrupts on the card */
2647         if (ha->interrupts_on) {
2648                 vha->flags.init_done = 0;
2649                 ha->isp_ops->disable_intrs(ha);
2650         }
2651
2652         qla2x00_free_irqs(vha);
2653
2654         qla2x00_free_fcports(vha);
2655
2656         qla2x00_mem_free(ha);
2657
2658         qla2x00_free_queues(ha);
2659 }
2660
2661 void qla2x00_free_fcports(struct scsi_qla_host *vha)
2662 {
2663         fc_port_t *fcport, *tfcport;
2664
2665         list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
2666                 list_del(&fcport->list);
2667                 kfree(fcport);
2668                 fcport = NULL;
2669         }
2670 }
2671
2672 static inline void
2673 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2674     int defer)
2675 {
2676         struct fc_rport *rport;
2677         scsi_qla_host_t *base_vha;
2678         unsigned long flags;
2679
2680         if (!fcport->rport)
2681                 return;
2682
2683         rport = fcport->rport;
2684         if (defer) {
2685                 base_vha = pci_get_drvdata(vha->hw->pdev);
2686                 spin_lock_irqsave(vha->host->host_lock, flags);
2687                 fcport->drport = rport;
2688                 spin_unlock_irqrestore(vha->host->host_lock, flags);
2689                 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2690                 qla2xxx_wake_dpc(base_vha);
2691         } else
2692                 fc_remote_port_delete(rport);
2693 }
2694
2695 /*
2696  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2697  *
2698  * Input: ha = adapter block pointer.  fcport = port structure pointer.
2699  *
2700  * Return: None.
2701  *
2702  * Context:
2703  */
2704 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2705     int do_login, int defer)
2706 {
2707         if (atomic_read(&fcport->state) == FCS_ONLINE &&
2708             vha->vp_idx == fcport->vp_idx) {
2709                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2710                 qla2x00_schedule_rport_del(vha, fcport, defer);
2711         }
2712         /*
2713          * We may need to retry the login, so don't change the state of the
2714          * port but do the retries.
2715          */
2716         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2717                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2718
2719         if (!do_login)
2720                 return;
2721
2722         if (fcport->login_retry == 0) {
2723                 fcport->login_retry = vha->hw->login_retry_count;
2724                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2725
2726                 ql_dbg(ql_dbg_disc, vha, 0x2067,
2727                     "Port login retry "
2728                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
2729                     "id = 0x%04x retry cnt=%d.\n",
2730                     fcport->port_name[0], fcport->port_name[1],
2731                     fcport->port_name[2], fcport->port_name[3],
2732                     fcport->port_name[4], fcport->port_name[5],
2733                     fcport->port_name[6], fcport->port_name[7],
2734                     fcport->loop_id, fcport->login_retry);
2735         }
2736 }
2737
2738 /*
2739  * qla2x00_mark_all_devices_lost
2740  *      Updates fcport state when device goes offline.
2741  *
2742  * Input:
2743  *      ha = adapter block pointer.
2744  *      fcport = port structure pointer.
2745  *
2746  * Return:
2747  *      None.
2748  *
2749  * Context:
2750  */
2751 void
2752 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2753 {
2754         fc_port_t *fcport;
2755
2756         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2757                 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2758                         continue;
2759
2760                 /*
2761                  * No point in marking the device as lost, if the device is
2762                  * already DEAD.
2763                  */
2764                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2765                         continue;
2766                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2767                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2768                         if (defer)
2769                                 qla2x00_schedule_rport_del(vha, fcport, defer);
2770                         else if (vha->vp_idx == fcport->vp_idx)
2771                                 qla2x00_schedule_rport_del(vha, fcport, defer);
2772                 }
2773         }
2774 }
2775
2776 /*
2777 * qla2x00_mem_alloc
2778 *      Allocates adapter memory.
2779 *
2780 * Returns:
2781 *      0  = success.
2782 *      !0  = failure.
2783 */
2784 static int
2785 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2786         struct req_que **req, struct rsp_que **rsp)
2787 {
2788         char    name[16];
2789
2790         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2791                 &ha->init_cb_dma, GFP_KERNEL);
2792         if (!ha->init_cb)
2793                 goto fail;
2794
2795         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2796                 &ha->gid_list_dma, GFP_KERNEL);
2797         if (!ha->gid_list)
2798                 goto fail_free_init_cb;
2799
2800         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2801         if (!ha->srb_mempool)
2802                 goto fail_free_gid_list;
2803
2804         if (IS_QLA82XX(ha)) {
2805                 /* Allocate cache for CT6 Ctx. */
2806                 if (!ctx_cachep) {
2807                         ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2808                                 sizeof(struct ct6_dsd), 0,
2809                                 SLAB_HWCACHE_ALIGN, NULL);
2810                         if (!ctx_cachep)
2811                                 goto fail_free_gid_list;
2812                 }
2813                 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2814                         ctx_cachep);
2815                 if (!ha->ctx_mempool)
2816                         goto fail_free_srb_mempool;
2817                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
2818                     "ctx_cachep=%p ctx_mempool=%p.\n",
2819                     ctx_cachep, ha->ctx_mempool);
2820         }
2821
2822         /* Get memory for cached NVRAM */
2823         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2824         if (!ha->nvram)
2825                 goto fail_free_ctx_mempool;
2826
2827         snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2828                 ha->pdev->device);
2829         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2830                 DMA_POOL_SIZE, 8, 0);
2831         if (!ha->s_dma_pool)
2832                 goto fail_free_nvram;
2833
2834         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
2835             "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
2836             ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
2837
2838         if (IS_QLA82XX(ha) || ql2xenabledif) {
2839                 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2840                         DSD_LIST_DMA_POOL_SIZE, 8, 0);
2841                 if (!ha->dl_dma_pool) {
2842                         ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
2843                             "Failed to allocate memory for dl_dma_pool.\n");
2844                         goto fail_s_dma_pool;
2845                 }
2846
2847                 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2848                         FCP_CMND_DMA_POOL_SIZE, 8, 0);
2849                 if (!ha->fcp_cmnd_dma_pool) {
2850                         ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
2851                             "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
2852                         goto fail_dl_dma_pool;
2853                 }
2854                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
2855                     "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
2856                     ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
2857         }
2858
2859         /* Allocate memory for SNS commands */
2860         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2861         /* Get consistent memory allocated for SNS commands */
2862                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2863                 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2864                 if (!ha->sns_cmd)
2865                         goto fail_dma_pool;
2866                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
2867                     "sns_cmd.\n", ha->sns_cmd);
2868         } else {
2869         /* Get consistent memory allocated for MS IOCB */
2870                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2871                         &ha->ms_iocb_dma);
2872                 if (!ha->ms_iocb)
2873                         goto fail_dma_pool;
2874         /* Get consistent memory allocated for CT SNS commands */
2875                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2876                         sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2877                 if (!ha->ct_sns)
2878                         goto fail_free_ms_iocb;
2879                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
2880                     "ms_iocb=%p ct_sns=%p.\n",
2881                     ha->ms_iocb, ha->ct_sns);
2882         }
2883
2884         /* Allocate memory for request ring */
2885         *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2886         if (!*req) {
2887                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
2888                     "Failed to allocate memory for req.\n");
2889                 goto fail_req;
2890         }
2891         (*req)->length = req_len;
2892         (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2893                 ((*req)->length + 1) * sizeof(request_t),
2894                 &(*req)->dma, GFP_KERNEL);
2895         if (!(*req)->ring) {
2896                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
2897                     "Failed to allocate memory for req_ring.\n");
2898                 goto fail_req_ring;
2899         }
2900         /* Allocate memory for response ring */
2901         *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2902         if (!*rsp) {
2903                 ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
2904                     "Failed to allocate memory for rsp.\n");
2905                 goto fail_rsp;
2906         }
2907         (*rsp)->hw = ha;
2908         (*rsp)->length = rsp_len;
2909         (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2910                 ((*rsp)->length + 1) * sizeof(response_t),
2911                 &(*rsp)->dma, GFP_KERNEL);
2912         if (!(*rsp)->ring) {
2913                 ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
2914                     "Failed to allocate memory for rsp_ring.\n");
2915                 goto fail_rsp_ring;
2916         }
2917         (*req)->rsp = *rsp;
2918         (*rsp)->req = *req;
2919         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
2920             "req=%p req->length=%d req->ring=%p rsp=%p "
2921             "rsp->length=%d rsp->ring=%p.\n",
2922             *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
2923             (*rsp)->ring);
2924         /* Allocate memory for NVRAM data for vports */
2925         if (ha->nvram_npiv_size) {
2926                 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2927                     ha->nvram_npiv_size, GFP_KERNEL);
2928                 if (!ha->npiv_info) {
2929                         ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
2930                             "Failed to allocate memory for npiv_info.\n");
2931                         goto fail_npiv_info;
2932                 }
2933         } else
2934                 ha->npiv_info = NULL;
2935
2936         /* Get consistent memory allocated for EX-INIT-CB. */
2937         if (IS_QLA8XXX_TYPE(ha)) {
2938                 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2939                     &ha->ex_init_cb_dma);
2940                 if (!ha->ex_init_cb)
2941                         goto fail_ex_init_cb;
2942                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
2943                     "ex_init_cb=%p.\n", ha->ex_init_cb);
2944         }
2945
2946         INIT_LIST_HEAD(&ha->gbl_dsd_list);
2947
2948         /* Get consistent memory allocated for Async Port-Database. */
2949         if (!IS_FWI2_CAPABLE(ha)) {
2950                 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2951                         &ha->async_pd_dma);
2952                 if (!ha->async_pd)
2953                         goto fail_async_pd;
2954                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
2955                     "async_pd=%p.\n", ha->async_pd);
2956         }
2957
2958         INIT_LIST_HEAD(&ha->vp_list);
2959         return 1;
2960
2961 fail_async_pd:
2962         dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2963 fail_ex_init_cb:
2964         kfree(ha->npiv_info);
2965 fail_npiv_info:
2966         dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2967                 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2968         (*rsp)->ring = NULL;
2969         (*rsp)->dma = 0;
2970 fail_rsp_ring:
2971         kfree(*rsp);
2972 fail_rsp:
2973         dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2974                 sizeof(request_t), (*req)->ring, (*req)->dma);
2975         (*req)->ring = NULL;
2976         (*req)->dma = 0;
2977 fail_req_ring:
2978         kfree(*req);
2979 fail_req:
2980         dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2981                 ha->ct_sns, ha->ct_sns_dma);
2982         ha->ct_sns = NULL;
2983         ha->ct_sns_dma = 0;
2984 fail_free_ms_iocb:
2985         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2986         ha->ms_iocb = NULL;
2987         ha->ms_iocb_dma = 0;
2988 fail_dma_pool:
2989         if (IS_QLA82XX(ha) || ql2xenabledif) {
2990                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2991                 ha->fcp_cmnd_dma_pool = NULL;
2992         }
2993 fail_dl_dma_pool:
2994         if (IS_QLA82XX(ha) || ql2xenabledif) {
2995                 dma_pool_destroy(ha->dl_dma_pool);
2996                 ha->dl_dma_pool = NULL;
2997         }
2998 fail_s_dma_pool:
2999         dma_pool_destroy(ha->s_dma_pool);
3000         ha->s_dma_pool = NULL;
3001 fail_free_nvram:
3002         kfree(ha->nvram);
3003         ha->nvram = NULL;
3004 fail_free_ctx_mempool:
3005         mempool_destroy(ha->ctx_mempool);
3006         ha->ctx_mempool = NULL;
3007 fail_free_srb_mempool:
3008         mempool_destroy(ha->srb_mempool);
3009         ha->srb_mempool = NULL;
3010 fail_free_gid_list:
3011         dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
3012         ha->gid_list_dma);
3013         ha->gid_list = NULL;
3014         ha->gid_list_dma = 0;
3015 fail_free_init_cb:
3016         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
3017         ha->init_cb_dma);
3018         ha->init_cb = NULL;
3019         ha->init_cb_dma = 0;
3020 fail:
3021         ql_log(ql_log_fatal, NULL, 0x0030,
3022             "Memory allocation failure.\n");
3023         return -ENOMEM;
3024 }
3025
3026 /*
3027 * qla2x00_free_fw_dump
3028 *       Frees fw dump stuff.
3029 *
3030 * Input:
3031 *       ha = adapter block pointer.
3032 */
3033 static void
3034 qla2x00_free_fw_dump(struct qla_hw_data *ha)
3035 {
3036         if (ha->fce)
3037                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
3038                     ha->fce_dma);
3039
3040         if (ha->fw_dump) {
3041                 if (ha->eft)
3042                         dma_free_coherent(&ha->pdev->dev,
3043                             ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
3044                 vfree(ha->fw_dump);
3045         }
3046         ha->fce = NULL;
3047         ha->fce_dma = 0;
3048         ha->eft = NULL;
3049         ha->eft_dma = 0;
3050         ha->fw_dump = NULL;
3051         ha->fw_dumped = 0;
3052         ha->fw_dump_reading = 0;
3053 }
3054
3055 /*
3056 * qla2x00_mem_free
3057 *      Frees all adapter allocated memory.
3058 *
3059 * Input:
3060 *      ha = adapter block pointer.
3061 */
3062 static void
3063 qla2x00_mem_free(struct qla_hw_data *ha)
3064 {
3065         qla2x00_free_fw_dump(ha);
3066
3067         if (ha->srb_mempool)
3068                 mempool_destroy(ha->srb_mempool);
3069
3070         if (ha->dcbx_tlv)
3071                 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
3072                     ha->dcbx_tlv, ha->dcbx_tlv_dma);
3073
3074         if (ha->xgmac_data)
3075                 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
3076                     ha->xgmac_data, ha->xgmac_data_dma);
3077
3078         if (ha->sns_cmd)
3079                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
3080                 ha->sns_cmd, ha->sns_cmd_dma);
3081
3082         if (ha->ct_sns)
3083                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3084                 ha->ct_sns, ha->ct_sns_dma);
3085
3086         if (ha->sfp_data)
3087                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
3088
3089         if (ha->edc_data)
3090                 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
3091
3092         if (ha->ms_iocb)
3093                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3094
3095         if (ha->ex_init_cb)
3096                 dma_pool_free(ha->s_dma_pool,
3097                         ha->ex_init_cb, ha->ex_init_cb_dma);
3098
3099         if (ha->async_pd)
3100                 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
3101
3102         if (ha->s_dma_pool)
3103                 dma_pool_destroy(ha->s_dma_pool);
3104
3105         if (ha->gid_list)
3106                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
3107                 ha->gid_list_dma);
3108
3109         if (IS_QLA82XX(ha)) {
3110                 if (!list_empty(&ha->gbl_dsd_list)) {
3111                         struct dsd_dma *dsd_ptr, *tdsd_ptr;
3112
3113                         /* clean up allocated prev pool */
3114                         list_for_each_entry_safe(dsd_ptr,
3115                                 tdsd_ptr, &ha->gbl_dsd_list, list) {
3116                                 dma_pool_free(ha->dl_dma_pool,
3117                                 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
3118                                 list_del(&dsd_ptr->list);
3119                                 kfree(dsd_ptr);
3120                         }
3121                 }
3122         }
3123
3124         if (ha->dl_dma_pool)
3125                 dma_pool_destroy(ha->dl_dma_pool);
3126
3127         if (ha->fcp_cmnd_dma_pool)
3128                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3129
3130         if (ha->ctx_mempool)
3131                 mempool_destroy(ha->ctx_mempool);
3132
3133         if (ha->init_cb)
3134                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
3135                         ha->init_cb, ha->init_cb_dma);
3136         vfree(ha->optrom_buffer);
3137         kfree(ha->nvram);
3138         kfree(ha->npiv_info);
3139
3140         ha->srb_mempool = NULL;
3141         ha->ctx_mempool = NULL;
3142         ha->sns_cmd = NULL;
3143         ha->sns_cmd_dma = 0;
3144         ha->ct_sns = NULL;
3145         ha->ct_sns_dma = 0;
3146         ha->ms_iocb = NULL;
3147         ha->ms_iocb_dma = 0;
3148         ha->init_cb = NULL;
3149         ha->init_cb_dma = 0;
3150         ha->ex_init_cb = NULL;
3151         ha->ex_init_cb_dma = 0;
3152         ha->async_pd = NULL;
3153         ha->async_pd_dma = 0;
3154
3155         ha->s_dma_pool = NULL;
3156         ha->dl_dma_pool = NULL;
3157         ha->fcp_cmnd_dma_pool = NULL;
3158
3159         ha->gid_list = NULL;
3160         ha->gid_list_dma = 0;
3161 }
3162
3163 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
3164                                                 struct qla_hw_data *ha)
3165 {
3166         struct Scsi_Host *host;
3167         struct scsi_qla_host *vha = NULL;
3168
3169         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
3170         if (host == NULL) {
3171                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
3172                     "Failed to allocate host from the scsi layer, aborting.\n");
3173                 goto fail;
3174         }
3175
3176         /* Clear our data area */
3177         vha = shost_priv(host);
3178         memset(vha, 0, sizeof(scsi_qla_host_t));
3179
3180         vha->host = host;
3181         vha->host_no = host->host_no;
3182         vha->hw = ha;
3183
3184         INIT_LIST_HEAD(&vha->vp_fcports);
3185         INIT_LIST_HEAD(&vha->work_list);
3186         INIT_LIST_HEAD(&vha->list);
3187
3188         spin_lock_init(&vha->work_lock);
3189
3190         sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
3191         ql_dbg(ql_dbg_init, vha, 0x0041,
3192             "Allocated the host=%p hw=%p vha=%p dev_name=%s",
3193             vha->host, vha->hw, vha,
3194             dev_name(&(ha->pdev->dev)));
3195
3196         return vha;
3197
3198 fail:
3199         return vha;
3200 }
3201
3202 static struct qla_work_evt *
3203 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
3204 {
3205         struct qla_work_evt *e;
3206         uint8_t bail;
3207
3208         QLA_VHA_MARK_BUSY(vha, bail);
3209         if (bail)
3210                 return NULL;
3211
3212         e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
3213         if (!e) {
3214                 QLA_VHA_MARK_NOT_BUSY(vha);
3215                 return NULL;
3216         }
3217
3218         INIT_LIST_HEAD(&e->list);
3219         e->type = type;
3220         e->flags = QLA_EVT_FLAG_FREE;
3221         return e;
3222 }
3223
3224 static int
3225 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3226 {
3227         unsigned long flags;
3228
3229         spin_lock_irqsave(&vha->work_lock, flags);
3230         list_add_tail(&e->list, &vha->work_list);
3231         spin_unlock_irqrestore(&vha->work_lock, flags);
3232         qla2xxx_wake_dpc(vha);
3233
3234         return QLA_SUCCESS;
3235 }
3236
3237 int
3238 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3239     u32 data)
3240 {
3241         struct qla_work_evt *e;
3242
3243         e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3244         if (!e)
3245                 return QLA_FUNCTION_FAILED;
3246
3247         e->u.aen.code = code;
3248         e->u.aen.data = data;
3249         return qla2x00_post_work(vha, e);
3250 }
3251
3252 int
3253 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3254 {
3255         struct qla_work_evt *e;
3256
3257         e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3258         if (!e)
3259                 return QLA_FUNCTION_FAILED;
3260
3261         memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3262         return qla2x00_post_work(vha, e);
3263 }
3264
3265 #define qla2x00_post_async_work(name, type)     \
3266 int qla2x00_post_async_##name##_work(           \
3267     struct scsi_qla_host *vha,                  \
3268     fc_port_t *fcport, uint16_t *data)          \
3269 {                                               \
3270         struct qla_work_evt *e;                 \
3271                                                 \
3272         e = qla2x00_alloc_work(vha, type);      \
3273         if (!e)                                 \
3274                 return QLA_FUNCTION_FAILED;     \
3275                                                 \
3276         e->u.logio.fcport = fcport;             \
3277         if (data) {                             \
3278                 e->u.logio.data[0] = data[0];   \
3279                 e->u.logio.data[1] = data[1];   \
3280         }                                       \
3281         return qla2x00_post_work(vha, e);       \
3282 }
3283
3284 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3285 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3286 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3287 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3288 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3289 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3290
3291 int
3292 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3293 {
3294         struct qla_work_evt *e;
3295
3296         e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3297         if (!e)
3298                 return QLA_FUNCTION_FAILED;
3299
3300         e->u.uevent.code = code;
3301         return qla2x00_post_work(vha, e);
3302 }
3303
3304 static void
3305 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3306 {
3307         char event_string[40];
3308         char *envp[] = { event_string, NULL };
3309
3310         switch (code) {
3311         case QLA_UEVENT_CODE_FW_DUMP:
3312                 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3313                     vha->host_no);
3314                 break;
3315         default:
3316                 /* do nothing */
3317                 break;
3318         }
3319         kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3320 }
3321
3322 void
3323 qla2x00_do_work(struct scsi_qla_host *vha)
3324 {
3325         struct qla_work_evt *e, *tmp;
3326         unsigned long flags;
3327         LIST_HEAD(work);
3328
3329         spin_lock_irqsave(&vha->work_lock, flags);
3330         list_splice_init(&vha->work_list, &work);
3331         spin_unlock_irqrestore(&vha->work_lock, flags);
3332
3333         list_for_each_entry_safe(e, tmp, &work, list) {
3334                 list_del_init(&e->list);
3335
3336                 switch (e->type) {
3337                 case QLA_EVT_AEN:
3338                         fc_host_post_event(vha->host, fc_get_event_number(),
3339                             e->u.aen.code, e->u.aen.data);
3340                         break;
3341                 case QLA_EVT_IDC_ACK:
3342                         qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3343                         break;
3344                 case QLA_EVT_ASYNC_LOGIN:
3345                         qla2x00_async_login(vha, e->u.logio.fcport,
3346                             e->u.logio.data);
3347                         break;
3348                 case QLA_EVT_ASYNC_LOGIN_DONE:
3349                         qla2x00_async_login_done(vha, e->u.logio.fcport,
3350                             e->u.logio.data);
3351                         break;
3352                 case QLA_EVT_ASYNC_LOGOUT:
3353                         qla2x00_async_logout(vha, e->u.logio.fcport);
3354                         break;
3355                 case QLA_EVT_ASYNC_LOGOUT_DONE:
3356                         qla2x00_async_logout_done(vha, e->u.logio.fcport,
3357                             e->u.logio.data);
3358                         break;
3359                 case QLA_EVT_ASYNC_ADISC:
3360                         qla2x00_async_adisc(vha, e->u.logio.fcport,
3361                             e->u.logio.data);
3362                         break;
3363                 case QLA_EVT_ASYNC_ADISC_DONE:
3364                         qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3365                             e->u.logio.data);
3366                         break;
3367                 case QLA_EVT_UEVENT:
3368                         qla2x00_uevent_emit(vha, e->u.uevent.code);
3369                         break;
3370                 }
3371                 if (e->flags & QLA_EVT_FLAG_FREE)
3372                         kfree(e);
3373
3374                 /* For each work completed decrement vha ref count */
3375                 QLA_VHA_MARK_NOT_BUSY(vha);
3376         }
3377 }
3378
3379 /* Relogins all the fcports of a vport
3380  * Context: dpc thread
3381  */
3382 void qla2x00_relogin(struct scsi_qla_host *vha)
3383 {
3384         fc_port_t       *fcport;
3385         int status;
3386         uint16_t        next_loopid = 0;
3387         struct qla_hw_data *ha = vha->hw;
3388         uint16_t data[2];
3389
3390         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3391         /*
3392          * If the port is not ONLINE then try to login
3393          * to it if we haven't run out of retries.
3394          */
3395                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3396                     fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3397                         fcport->login_retry--;
3398                         if (fcport->flags & FCF_FABRIC_DEVICE) {
3399                                 if (fcport->flags & FCF_FCP2_DEVICE)
3400                                         ha->isp_ops->fabric_logout(vha,
3401                                                         fcport->loop_id,
3402                                                         fcport->d_id.b.domain,
3403                                                         fcport->d_id.b.area,
3404                                                         fcport->d_id.b.al_pa);
3405
3406                                 if (fcport->loop_id == FC_NO_LOOP_ID) {
3407                                         fcport->loop_id = next_loopid =
3408                                             ha->min_external_loopid;
3409                                         status = qla2x00_find_new_loop_id(
3410                                             vha, fcport);
3411                                         if (status != QLA_SUCCESS) {
3412                                                 /* Ran out of IDs to use */
3413                                                 break;
3414                                         }
3415                                 }
3416
3417                                 if (IS_ALOGIO_CAPABLE(ha)) {
3418                                         fcport->flags |= FCF_ASYNC_SENT;
3419                                         data[0] = 0;
3420                                         data[1] = QLA_LOGIO_LOGIN_RETRIED;
3421                                         status = qla2x00_post_async_login_work(
3422                                             vha, fcport, data);
3423                                         if (status == QLA_SUCCESS)
3424                                                 continue;
3425                                         /* Attempt a retry. */
3426                                         status = 1;
3427                                 } else
3428                                         status = qla2x00_fabric_login(vha,
3429                                             fcport, &next_loopid);
3430                         } else
3431                                 status = qla2x00_local_device_login(vha,
3432                                                                 fcport);
3433
3434                         if (status == QLA_SUCCESS) {
3435                                 fcport->old_loop_id = fcport->loop_id;
3436
3437                                 ql_dbg(ql_dbg_disc, vha, 0x2003,
3438                                     "Port login OK: logged in ID 0x%x.\n",
3439                                     fcport->loop_id);
3440
3441                                 qla2x00_update_fcport(vha, fcport);
3442
3443                         } else if (status == 1) {
3444                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3445                                 /* retry the login again */
3446                                 ql_dbg(ql_dbg_disc, vha, 0x2007,
3447                                     "Retrying %d login again loop_id 0x%x.\n",
3448                                     fcport->login_retry, fcport->loop_id);
3449                         } else {
3450                                 fcport->login_retry = 0;
3451                         }
3452
3453                         if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3454                                 fcport->loop_id = FC_NO_LOOP_ID;
3455                 }
3456                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3457                         break;
3458         }
3459 }
3460
3461 /**************************************************************************
3462 * qla2x00_do_dpc
3463 *   This kernel thread is a task that is schedule by the interrupt handler
3464 *   to perform the background processing for interrupts.
3465 *
3466 * Notes:
3467 * This task always run in the context of a kernel thread.  It
3468 * is kick-off by the driver's detect code and starts up
3469 * up one per adapter. It immediately goes to sleep and waits for
3470 * some fibre event.  When either the interrupt handler or
3471 * the timer routine detects a event it will one of the task
3472 * bits then wake us up.
3473 **************************************************************************/
3474 static int
3475 qla2x00_do_dpc(void *data)
3476 {
3477         int             rval;
3478         scsi_qla_host_t *base_vha;
3479         struct qla_hw_data *ha;
3480
3481         ha = (struct qla_hw_data *)data;
3482         base_vha = pci_get_drvdata(ha->pdev);
3483
3484         set_user_nice(current, -20);
3485
3486         set_current_state(TASK_INTERRUPTIBLE);
3487         while (!kthread_should_stop()) {
3488                 ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
3489                     "DPC handler sleeping.\n");
3490
3491                 schedule();
3492                 __set_current_state(TASK_RUNNING);
3493
3494                 ql_dbg(ql_dbg_dpc, base_vha, 0x4001,
3495                     "DPC handler waking up.\n");
3496                 ql_dbg(ql_dbg_dpc, base_vha, 0x4002,
3497                     "dpc_flags=0x%lx.\n", base_vha->dpc_flags);
3498
3499                 /* Initialization not yet finished. Don't do anything yet. */
3500                 if (!base_vha->flags.init_done)
3501                         continue;
3502
3503                 if (ha->flags.eeh_busy) {
3504                         ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
3505                             "eeh_busy=%d.\n", ha->flags.eeh_busy);
3506                         continue;
3507                 }
3508
3509                 ha->dpc_active = 1;
3510
3511                 if (ha->flags.mbox_busy) {
3512                         ha->dpc_active = 0;
3513                         continue;
3514                 }
3515
3516                 qla2x00_do_work(base_vha);
3517
3518                 if (IS_QLA82XX(ha)) {
3519                         if (test_and_clear_bit(ISP_UNRECOVERABLE,
3520                                 &base_vha->dpc_flags)) {
3521                                 qla82xx_idc_lock(ha);
3522                                 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3523                                         QLA82XX_DEV_FAILED);
3524                                 qla82xx_idc_unlock(ha);
3525                                 ql_log(ql_log_info, base_vha, 0x4004,
3526                                     "HW State: FAILED.\n");
3527                                 qla82xx_device_state_handler(base_vha);
3528                                 continue;
3529                         }
3530
3531                         if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3532                                 &base_vha->dpc_flags)) {
3533
3534                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
3535                                     "FCoE context reset scheduled.\n");
3536                                 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3537                                         &base_vha->dpc_flags))) {
3538                                         if (qla82xx_fcoe_ctx_reset(base_vha)) {
3539                                                 /* FCoE-ctx reset failed.
3540                                                  * Escalate to chip-reset
3541                                                  */
3542                                                 set_bit(ISP_ABORT_NEEDED,
3543                                                         &base_vha->dpc_flags);
3544                                         }
3545                                         clear_bit(ABORT_ISP_ACTIVE,
3546                                                 &base_vha->dpc_flags);
3547                                 }
3548
3549                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
3550                                     "FCoE context reset end.\n");
3551                         }
3552                 }
3553
3554                 if (test_and_clear_bit(ISP_ABORT_NEEDED,
3555                                                 &base_vha->dpc_flags)) {
3556
3557                         ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
3558                             "ISP abort scheduled.\n");
3559                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3560                             &base_vha->dpc_flags))) {
3561
3562                                 if (ha->isp_ops->abort_isp(base_vha)) {
3563                                         /* failed. retry later */
3564                                         set_bit(ISP_ABORT_NEEDED,
3565                                             &base_vha->dpc_flags);
3566                                 }
3567                                 clear_bit(ABORT_ISP_ACTIVE,
3568                                                 &base_vha->dpc_flags);
3569                         }
3570
3571                         ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
3572                             "ISP abort end.\n");
3573                 }
3574
3575                 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3576                         qla2x00_update_fcports(base_vha);
3577                         clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3578                 }
3579
3580                 if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
3581                         ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
3582                             "Quiescence mode scheduled.\n");
3583                         qla82xx_device_state_handler(base_vha);
3584                         clear_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags);
3585                         if (!ha->flags.quiesce_owner) {
3586                                 qla2x00_perform_loop_resync(base_vha);
3587
3588                                 qla82xx_idc_lock(ha);
3589                                 qla82xx_clear_qsnt_ready(base_vha);
3590                                 qla82xx_idc_unlock(ha);
3591                         }
3592                         ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
3593                             "Quiescence mode end.\n");
3594                 }
3595
3596                 if (test_and_clear_bit(RESET_MARKER_NEEDED,
3597                                                         &base_vha->dpc_flags) &&
3598                     (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
3599
3600                         ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
3601                             "Reset marker scheduled.\n");
3602                         qla2x00_rst_aen(base_vha);
3603                         clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
3604                         ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
3605                             "Reset marker end.\n");
3606                 }
3607
3608                 /* Retry each device up to login retry count */
3609                 if ((test_and_clear_bit(RELOGIN_NEEDED,
3610                                                 &base_vha->dpc_flags)) &&
3611                     !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3612                     atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
3613
3614                         ql_dbg(ql_dbg_dpc, base_vha, 0x400d,
3615                             "Relogin scheduled.\n");
3616                         qla2x00_relogin(base_vha);
3617                         ql_dbg(ql_dbg_dpc, base_vha, 0x400e,
3618                             "Relogin end.\n");
3619                 }
3620
3621                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3622                                                         &base_vha->dpc_flags)) {
3623
3624                         ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
3625                             "Loop resync scheduled.\n");
3626
3627                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
3628                             &base_vha->dpc_flags))) {
3629
3630                                 rval = qla2x00_loop_resync(base_vha);
3631
3632                                 clear_bit(LOOP_RESYNC_ACTIVE,
3633                                                 &base_vha->dpc_flags);
3634                         }
3635
3636                         ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
3637                             "Loop resync end.\n");
3638                 }
3639
3640                 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3641                     atomic_read(&base_vha->loop_state) == LOOP_READY) {
3642                         clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3643                         qla2xxx_flash_npiv_conf(base_vha);
3644                 }
3645
3646                 if (!ha->interrupts_on)
3647                         ha->isp_ops->enable_intrs(ha);
3648
3649                 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3650                                         &base_vha->dpc_flags))
3651                         ha->isp_ops->beacon_blink(base_vha);
3652
3653                 qla2x00_do_dpc_all_vps(base_vha);
3654
3655                 ha->dpc_active = 0;
3656                 set_current_state(TASK_INTERRUPTIBLE);
3657         } /* End of while(1) */
3658         __set_current_state(TASK_RUNNING);
3659
3660         ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
3661             "DPC handler exiting.\n");
3662
3663         /*
3664          * Make sure that nobody tries to wake us up again.
3665          */
3666         ha->dpc_active = 0;
3667
3668         /* Cleanup any residual CTX SRBs. */
3669         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3670
3671         return 0;
3672 }
3673
3674 void
3675 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3676 {
3677         struct qla_hw_data *ha = vha->hw;
3678         struct task_struct *t = ha->dpc_thread;
3679
3680         if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3681                 wake_up_process(t);
3682 }
3683
3684 /*
3685 *  qla2x00_rst_aen
3686 *      Processes asynchronous reset.
3687 *
3688 * Input:
3689 *      ha  = adapter block pointer.
3690 */
3691 static void
3692 qla2x00_rst_aen(scsi_qla_host_t *vha)
3693 {
3694         if (vha->flags.online && !vha->flags.reset_active &&
3695             !atomic_read(&vha->loop_down_timer) &&
3696             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3697                 do {
3698                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3699
3700                         /*
3701                          * Issue marker command only when we are going to start
3702                          * the I/O.
3703                          */
3704                         vha->marker_needed = 1;
3705                 } while (!atomic_read(&vha->loop_down_timer) &&
3706                     (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3707         }
3708 }
3709
3710 static void
3711 qla2x00_sp_free_dma(srb_t *sp)
3712 {
3713         struct scsi_cmnd *cmd = sp->cmd;
3714         struct qla_hw_data *ha = sp->fcport->vha->hw;
3715
3716         if (sp->flags & SRB_DMA_VALID) {
3717                 scsi_dma_unmap(cmd);
3718                 sp->flags &= ~SRB_DMA_VALID;
3719         }
3720
3721         if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
3722                 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
3723                     scsi_prot_sg_count(cmd), cmd->sc_data_direction);
3724                 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
3725         }
3726
3727         if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
3728                 /* List assured to be having elements */
3729                 qla2x00_clean_dsd_pool(ha, sp);
3730                 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
3731         }
3732
3733         if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
3734                 dma_pool_free(ha->dl_dma_pool, sp->ctx,
3735                     ((struct crc_context *)sp->ctx)->crc_ctx_dma);
3736                 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
3737         }
3738
3739         CMD_SP(cmd) = NULL;
3740 }
3741
3742 static void
3743 qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
3744 {
3745         struct scsi_cmnd *cmd = sp->cmd;
3746
3747         qla2x00_sp_free_dma(sp);
3748
3749         if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
3750                 struct ct6_dsd *ctx = sp->ctx;
3751                 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
3752                         ctx->fcp_cmnd_dma);
3753                 list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
3754                 ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
3755                 ha->gbl_dsd_avail += ctx->dsd_use_cnt;
3756                 mempool_free(sp->ctx, ha->ctx_mempool);
3757                 sp->ctx = NULL;
3758         }
3759
3760         mempool_free(sp, ha->srb_mempool);
3761         cmd->scsi_done(cmd);
3762 }
3763
3764 void
3765 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3766 {
3767         if (atomic_read(&sp->ref_count) == 0) {
3768                 ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3015,
3769                     "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
3770                     sp, sp->cmd);
3771                 if (ql2xextended_error_logging & ql_dbg_io)
3772                         BUG();
3773                 return;
3774         }
3775         if (!atomic_dec_and_test(&sp->ref_count))
3776                 return;
3777         qla2x00_sp_final_compl(ha, sp);
3778 }
3779
3780 /**************************************************************************
3781 *   qla2x00_timer
3782 *
3783 * Description:
3784 *   One second timer
3785 *
3786 * Context: Interrupt
3787 ***************************************************************************/
3788 void
3789 qla2x00_timer(scsi_qla_host_t *vha)
3790 {
3791         unsigned long   cpu_flags = 0;
3792         int             start_dpc = 0;
3793         int             index;
3794         srb_t           *sp;
3795         uint16_t        w;
3796         struct qla_hw_data *ha = vha->hw;
3797         struct req_que *req;
3798
3799         if (ha->flags.eeh_busy) {
3800                 ql_dbg(ql_dbg_timer, vha, 0x6000,
3801                     "EEH = %d, restarting timer.\n",
3802                     ha->flags.eeh_busy);
3803                 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3804                 return;
3805         }
3806
3807         /* Hardware read to raise pending EEH errors during mailbox waits. */
3808         if (!pci_channel_offline(ha->pdev))
3809                 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3810
3811         /* Make sure qla82xx_watchdog is run only for physical port */
3812         if (!vha->vp_idx && IS_QLA82XX(ha)) {
3813                 if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
3814                         start_dpc++;
3815                 qla82xx_watchdog(vha);
3816         }
3817
3818         /* Loop down handler. */
3819         if (atomic_read(&vha->loop_down_timer) > 0 &&
3820             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
3821             !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
3822                 && vha->flags.online) {
3823
3824                 if (atomic_read(&vha->loop_down_timer) ==
3825                     vha->loop_down_abort_time) {
3826
3827                         ql_log(ql_log_info, vha, 0x6008,
3828                             "Loop down - aborting the queues before time expires.\n");
3829
3830                         if (!IS_QLA2100(ha) && vha->link_down_timeout)
3831                                 atomic_set(&vha->loop_state, LOOP_DEAD);
3832
3833                         /*
3834                          * Schedule an ISP abort to return any FCP2-device
3835                          * commands.
3836                          */
3837                         /* NPIV - scan physical port only */
3838                         if (!vha->vp_idx) {
3839                                 spin_lock_irqsave(&ha->hardware_lock,
3840                                     cpu_flags);
3841                                 req = ha->req_q_map[0];
3842                                 for (index = 1;
3843                                     index < MAX_OUTSTANDING_COMMANDS;
3844                                     index++) {
3845                                         fc_port_t *sfcp;
3846
3847                                         sp = req->outstanding_cmds[index];
3848                                         if (!sp)
3849                                                 continue;
3850                                         if (sp->ctx && !IS_PROT_IO(sp))
3851                                                 continue;
3852                                         sfcp = sp->fcport;
3853                                         if (!(sfcp->flags & FCF_FCP2_DEVICE))
3854                                                 continue;
3855
3856                                         if (IS_QLA82XX(ha))
3857                                                 set_bit(FCOE_CTX_RESET_NEEDED,
3858                                                         &vha->dpc_flags);
3859                                         else
3860                                                 set_bit(ISP_ABORT_NEEDED,
3861                                                         &vha->dpc_flags);
3862                                         break;
3863                                 }
3864                                 spin_unlock_irqrestore(&ha->hardware_lock,
3865                                                                 cpu_flags);
3866                         }
3867                         start_dpc++;
3868                 }
3869
3870                 /* if the loop has been down for 4 minutes, reinit adapter */
3871                 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3872                         if (!(vha->device_flags & DFLG_NO_CABLE)) {
3873                                 ql_log(ql_log_warn, vha, 0x6009,
3874                                     "Loop down - aborting ISP.\n");
3875
3876                                 if (IS_QLA82XX(ha))
3877                                         set_bit(FCOE_CTX_RESET_NEEDED,
3878                                                 &vha->dpc_flags);
3879                                 else
3880                                         set_bit(ISP_ABORT_NEEDED,
3881                                                 &vha->dpc_flags);
3882                         }
3883                 }
3884                 ql_dbg(ql_dbg_timer, vha, 0x600a,
3885                     "Loop down - seconds remaining %d.\n",
3886                     atomic_read(&vha->loop_down_timer));
3887         }
3888
3889         /* Check if beacon LED needs to be blinked for physical host only */
3890         if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
3891                 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3892                 start_dpc++;
3893         }
3894
3895         /* Process any deferred work. */
3896         if (!list_empty(&vha->work_list))
3897                 start_dpc++;
3898
3899         /* Schedule the DPC routine if needed */
3900         if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3901             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3902             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3903             start_dpc ||
3904             test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3905             test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3906             test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3907             test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3908             test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3909             test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
3910                 ql_dbg(ql_dbg_timer, vha, 0x600b,
3911                     "isp_abort_needed=%d loop_resync_needed=%d "
3912                     "fcport_update_needed=%d start_dpc=%d "
3913                     "reset_marker_needed=%d",
3914                     test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
3915                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
3916                     test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
3917                     start_dpc,
3918                     test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
3919                 ql_dbg(ql_dbg_timer, vha, 0x600c,
3920                     "beacon_blink_needed=%d isp_unrecoverable=%d "
3921                     "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
3922                     "relogin_needed=%d.\n",
3923                     test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
3924                     test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
3925                     test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
3926                     test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
3927                     test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
3928                 qla2xxx_wake_dpc(vha);
3929         }
3930
3931         qla2x00_restart_timer(vha, WATCH_INTERVAL);
3932 }
3933
3934 /* Firmware interface routines. */
3935
3936 #define FW_BLOBS        8
3937 #define FW_ISP21XX      0
3938 #define FW_ISP22XX      1
3939 #define FW_ISP2300      2
3940 #define FW_ISP2322      3
3941 #define FW_ISP24XX      4
3942 #define FW_ISP25XX      5
3943 #define FW_ISP81XX      6
3944 #define FW_ISP82XX      7
3945
3946 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3947 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3948 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3949 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3950 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3951 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3952 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3953 #define FW_FILE_ISP82XX "ql8200_fw.bin"
3954
3955 static DEFINE_MUTEX(qla_fw_lock);
3956
3957 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3958         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3959         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3960         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3961         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3962         { .name = FW_FILE_ISP24XX, },
3963         { .name = FW_FILE_ISP25XX, },
3964         { .name = FW_FILE_ISP81XX, },
3965         { .name = FW_FILE_ISP82XX, },
3966 };
3967
3968 struct fw_blob *
3969 qla2x00_request_firmware(scsi_qla_host_t *vha)
3970 {
3971         struct qla_hw_data *ha = vha->hw;
3972         struct fw_blob *blob;
3973
3974         blob = NULL;
3975         if (IS_QLA2100(ha)) {
3976                 blob = &qla_fw_blobs[FW_ISP21XX];
3977         } else if (IS_QLA2200(ha)) {
3978                 blob = &qla_fw_blobs[FW_ISP22XX];
3979         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3980                 blob = &qla_fw_blobs[FW_ISP2300];
3981         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3982                 blob = &qla_fw_blobs[FW_ISP2322];
3983         } else if (IS_QLA24XX_TYPE(ha)) {
3984                 blob = &qla_fw_blobs[FW_ISP24XX];
3985         } else if (IS_QLA25XX(ha)) {
3986                 blob = &qla_fw_blobs[FW_ISP25XX];
3987         } else if (IS_QLA81XX(ha)) {
3988                 blob = &qla_fw_blobs[FW_ISP81XX];
3989         } else if (IS_QLA82XX(ha)) {
3990                 blob = &qla_fw_blobs[FW_ISP82XX];
3991         }
3992
3993         mutex_lock(&qla_fw_lock);
3994         if (blob->fw)
3995                 goto out;
3996
3997         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3998                 ql_log(ql_log_warn, vha, 0x0063,
3999                     "Failed to load firmware image (%s).\n", blob->name);
4000                 blob->fw = NULL;
4001                 blob = NULL;
4002                 goto out;
4003         }
4004
4005 out:
4006         mutex_unlock(&qla_fw_lock);
4007         return blob;
4008 }
4009
4010 static void
4011 qla2x00_release_firmware(void)
4012 {
4013         int idx;
4014
4015         mutex_lock(&qla_fw_lock);
4016         for (idx = 0; idx < FW_BLOBS; idx++)
4017                 if (qla_fw_blobs[idx].fw)
4018                         release_firmware(qla_fw_blobs[idx].fw);
4019         mutex_unlock(&qla_fw_lock);
4020 }
4021
4022 static pci_ers_result_t
4023 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
4024 {
4025         scsi_qla_host_t *vha = pci_get_drvdata(pdev);
4026         struct qla_hw_data *ha = vha->hw;
4027
4028         ql_dbg(ql_dbg_aer, vha, 0x9000,
4029             "PCI error detected, state %x.\n", state);
4030
4031         switch (state) {
4032         case pci_channel_io_normal:
4033                 ha->flags.eeh_busy = 0;
4034                 return PCI_ERS_RESULT_CAN_RECOVER;
4035         case pci_channel_io_frozen:
4036                 ha->flags.eeh_busy = 1;
4037                 /* For ISP82XX complete any pending mailbox cmd */
4038                 if (IS_QLA82XX(ha)) {
4039                         ha->flags.isp82xx_fw_hung = 1;
4040                         if (ha->flags.mbox_busy) {
4041                                 ha->flags.mbox_int = 1;
4042                                 ql_dbg(ql_dbg_aer, vha, 0x9001,
4043                                     "Due to pci channel io frozen, doing premature "
4044                                     "completion of mbx command.\n");
4045                                 complete(&ha->mbx_intr_comp);
4046                         }
4047                 }
4048                 qla2x00_free_irqs(vha);
4049                 pci_disable_device(pdev);
4050                 /* Return back all IOs */
4051                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4052                 return PCI_ERS_RESULT_NEED_RESET;
4053         case pci_channel_io_perm_failure:
4054                 ha->flags.pci_channel_io_perm_failure = 1;
4055                 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
4056                 return PCI_ERS_RESULT_DISCONNECT;
4057         }
4058         return PCI_ERS_RESULT_NEED_RESET;
4059 }
4060
4061 static pci_ers_result_t
4062 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
4063 {
4064         int risc_paused = 0;
4065         uint32_t stat;
4066         unsigned long flags;
4067         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4068         struct qla_hw_data *ha = base_vha->hw;
4069         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4070         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
4071
4072         if (IS_QLA82XX(ha))
4073                 return PCI_ERS_RESULT_RECOVERED;
4074
4075         spin_lock_irqsave(&ha->hardware_lock, flags);
4076         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
4077                 stat = RD_REG_DWORD(&reg->hccr);
4078                 if (stat & HCCR_RISC_PAUSE)
4079                         risc_paused = 1;
4080         } else if (IS_QLA23XX(ha)) {
4081                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
4082                 if (stat & HSR_RISC_PAUSED)
4083                         risc_paused = 1;
4084         } else if (IS_FWI2_CAPABLE(ha)) {
4085                 stat = RD_REG_DWORD(&reg24->host_status);
4086                 if (stat & HSRX_RISC_PAUSED)
4087                         risc_paused = 1;
4088         }
4089         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4090
4091         if (risc_paused) {
4092                 ql_log(ql_log_info, base_vha, 0x9003,
4093                     "RISC paused -- mmio_enabled, Dumping firmware.\n");
4094                 ha->isp_ops->fw_dump(base_vha, 0);
4095
4096                 return PCI_ERS_RESULT_NEED_RESET;
4097         } else
4098                 return PCI_ERS_RESULT_RECOVERED;
4099 }
4100
4101 uint32_t qla82xx_error_recovery(scsi_qla_host_t *base_vha)
4102 {
4103         uint32_t rval = QLA_FUNCTION_FAILED;
4104         uint32_t drv_active = 0;
4105         struct qla_hw_data *ha = base_vha->hw;
4106         int fn;
4107         struct pci_dev *other_pdev = NULL;
4108
4109         ql_dbg(ql_dbg_aer, base_vha, 0x9006,
4110             "Entered %s.\n", __func__);
4111
4112         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4113
4114         if (base_vha->flags.online) {
4115                 /* Abort all outstanding commands,
4116                  * so as to be requeued later */
4117                 qla2x00_abort_isp_cleanup(base_vha);
4118         }
4119
4120
4121         fn = PCI_FUNC(ha->pdev->devfn);
4122         while (fn > 0) {
4123                 fn--;
4124                 ql_dbg(ql_dbg_aer, base_vha, 0x9007,
4125                     "Finding pci device at function = 0x%x.\n", fn);
4126                 other_pdev =
4127                     pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
4128                     ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
4129                     fn));
4130
4131                 if (!other_pdev)
4132                         continue;
4133                 if (atomic_read(&other_pdev->enable_cnt)) {
4134                         ql_dbg(ql_dbg_aer, base_vha, 0x9008,
4135                             "Found PCI func available and enable at 0x%x.\n",
4136                             fn);
4137                         pci_dev_put(other_pdev);
4138                         break;
4139                 }
4140                 pci_dev_put(other_pdev);
4141         }
4142
4143         if (!fn) {
4144                 /* Reset owner */
4145                 ql_dbg(ql_dbg_aer, base_vha, 0x9009,
4146                     "This devfn is reset owner = 0x%x.\n",
4147                     ha->pdev->devfn);
4148                 qla82xx_idc_lock(ha);
4149
4150                 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4151                     QLA82XX_DEV_INITIALIZING);
4152
4153                 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
4154                     QLA82XX_IDC_VERSION);
4155
4156                 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
4157                 ql_dbg(ql_dbg_aer, base_vha, 0x900a,
4158                     "drv_active = 0x%x.\n", drv_active);
4159
4160                 qla82xx_idc_unlock(ha);
4161                 /* Reset if device is not already reset
4162                  * drv_active would be 0 if a reset has already been done
4163                  */
4164                 if (drv_active)
4165                         rval = qla82xx_start_firmware(base_vha);
4166                 else
4167                         rval = QLA_SUCCESS;
4168                 qla82xx_idc_lock(ha);
4169
4170                 if (rval != QLA_SUCCESS) {
4171                         ql_log(ql_log_info, base_vha, 0x900b,
4172                             "HW State: FAILED.\n");
4173                         qla82xx_clear_drv_active(ha);
4174                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4175                             QLA82XX_DEV_FAILED);
4176                 } else {
4177                         ql_log(ql_log_info, base_vha, 0x900c,
4178                             "HW State: READY.\n");
4179                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4180                             QLA82XX_DEV_READY);
4181                         qla82xx_idc_unlock(ha);
4182                         ha->flags.isp82xx_fw_hung = 0;
4183                         rval = qla82xx_restart_isp(base_vha);
4184                         qla82xx_idc_lock(ha);
4185                         /* Clear driver state register */
4186                         qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
4187                         qla82xx_set_drv_active(base_vha);
4188                 }
4189                 qla82xx_idc_unlock(ha);
4190         } else {
4191                 ql_dbg(ql_dbg_aer, base_vha, 0x900d,
4192                     "This devfn is not reset owner = 0x%x.\n",
4193                     ha->pdev->devfn);
4194                 if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
4195                     QLA82XX_DEV_READY)) {
4196                         ha->flags.isp82xx_fw_hung = 0;
4197                         rval = qla82xx_restart_isp(base_vha);
4198                         qla82xx_idc_lock(ha);
4199                         qla82xx_set_drv_active(base_vha);
4200                         qla82xx_idc_unlock(ha);
4201                 }
4202         }
4203         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4204
4205         return rval;
4206 }
4207
4208 static pci_ers_result_t
4209 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
4210 {
4211         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
4212         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4213         struct qla_hw_data *ha = base_vha->hw;
4214         struct rsp_que *rsp;
4215         int rc, retries = 10;
4216
4217         ql_dbg(ql_dbg_aer, base_vha, 0x9004,
4218             "Slot Reset.\n");
4219
4220         /* Workaround: qla2xxx driver which access hardware earlier
4221          * needs error state to be pci_channel_io_online.
4222          * Otherwise mailbox command timesout.
4223          */
4224         pdev->error_state = pci_channel_io_normal;
4225
4226         pci_restore_state(pdev);
4227
4228         /* pci_restore_state() clears the saved_state flag of the device
4229          * save restored state which resets saved_state flag
4230          */
4231         pci_save_state(pdev);
4232
4233         if (ha->mem_only)
4234                 rc = pci_enable_device_mem(pdev);
4235         else
4236                 rc = pci_enable_device(pdev);
4237
4238         if (rc) {
4239                 ql_log(ql_log_warn, base_vha, 0x9005,
4240                     "Can't re-enable PCI device after reset.\n");
4241                 goto exit_slot_reset;
4242         }
4243
4244         rsp = ha->rsp_q_map[0];
4245         if (qla2x00_request_irqs(ha, rsp))
4246                 goto exit_slot_reset;
4247
4248         if (ha->isp_ops->pci_config(base_vha))
4249                 goto exit_slot_reset;
4250
4251         if (IS_QLA82XX(ha)) {
4252                 if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
4253                         ret = PCI_ERS_RESULT_RECOVERED;
4254                         goto exit_slot_reset;
4255                 } else
4256                         goto exit_slot_reset;
4257         }
4258
4259         while (ha->flags.mbox_busy && retries--)
4260                 msleep(1000);
4261
4262         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4263         if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
4264                 ret =  PCI_ERS_RESULT_RECOVERED;
4265         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4266
4267
4268 exit_slot_reset:
4269         ql_dbg(ql_dbg_aer, base_vha, 0x900e,
4270             "slot_reset return %x.\n", ret);
4271
4272         return ret;
4273 }
4274
4275 static void
4276 qla2xxx_pci_resume(struct pci_dev *pdev)
4277 {
4278         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4279         struct qla_hw_data *ha = base_vha->hw;
4280         int ret;
4281
4282         ql_dbg(ql_dbg_aer, base_vha, 0x900f,
4283             "pci_resume.\n");
4284
4285         ret = qla2x00_wait_for_hba_online(base_vha);
4286         if (ret != QLA_SUCCESS) {
4287                 ql_log(ql_log_fatal, base_vha, 0x9002,
4288                     "The device failed to resume I/O from slot/link_reset.\n");
4289         }
4290
4291         pci_cleanup_aer_uncorrect_error_status(pdev);
4292
4293         ha->flags.eeh_busy = 0;
4294 }
4295
4296 static struct pci_error_handlers qla2xxx_err_handler = {
4297         .error_detected = qla2xxx_pci_error_detected,
4298         .mmio_enabled = qla2xxx_pci_mmio_enabled,
4299         .slot_reset = qla2xxx_pci_slot_reset,
4300         .resume = qla2xxx_pci_resume,
4301 };
4302
4303 static struct pci_device_id qla2xxx_pci_tbl[] = {
4304         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
4305         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
4306         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
4307         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
4308         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
4309         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
4310         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
4311         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
4312         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4313         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
4314         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
4315         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
4316         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
4317         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
4318         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
4319         { 0 },
4320 };
4321 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
4322
4323 static struct pci_driver qla2xxx_pci_driver = {
4324         .name           = QLA2XXX_DRIVER_NAME,
4325         .driver         = {
4326                 .owner          = THIS_MODULE,
4327         },
4328         .id_table       = qla2xxx_pci_tbl,
4329         .probe          = qla2x00_probe_one,
4330         .remove         = qla2x00_remove_one,
4331         .shutdown       = qla2x00_shutdown,
4332         .err_handler    = &qla2xxx_err_handler,
4333 };
4334
4335 static struct file_operations apidev_fops = {
4336         .owner = THIS_MODULE,
4337         .llseek = noop_llseek,
4338 };
4339
4340 /**
4341  * qla2x00_module_init - Module initialization.
4342  **/
4343 static int __init
4344 qla2x00_module_init(void)
4345 {
4346         int ret = 0;
4347
4348         /* Allocate cache for SRBs. */
4349         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
4350             SLAB_HWCACHE_ALIGN, NULL);
4351         if (srb_cachep == NULL) {
4352                 ql_log(ql_log_fatal, NULL, 0x0001,
4353                     "Unable to allocate SRB cache...Failing load!.\n");
4354                 return -ENOMEM;
4355         }
4356
4357         /* Derive version string. */
4358         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
4359         if (ql2xextended_error_logging)
4360                 strcat(qla2x00_version_str, "-debug");
4361
4362         qla2xxx_transport_template =
4363             fc_attach_transport(&qla2xxx_transport_functions);
4364         if (!qla2xxx_transport_template) {
4365                 kmem_cache_destroy(srb_cachep);
4366                 ql_log(ql_log_fatal, NULL, 0x0002,
4367                     "fc_attach_transport failed...Failing load!.\n");
4368                 return -ENODEV;
4369         }
4370
4371         apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
4372         if (apidev_major < 0) {
4373                 ql_log(ql_log_fatal, NULL, 0x0003,
4374                     "Unable to register char device %s.\n", QLA2XXX_APIDEV);
4375         }
4376
4377         qla2xxx_transport_vport_template =
4378             fc_attach_transport(&qla2xxx_transport_vport_functions);
4379         if (!qla2xxx_transport_vport_template) {
4380                 kmem_cache_destroy(srb_cachep);
4381                 fc_release_transport(qla2xxx_transport_template);
4382                 ql_log(ql_log_fatal, NULL, 0x0004,
4383                     "fc_attach_transport vport failed...Failing load!.\n");
4384                 return -ENODEV;
4385         }
4386         ql_log(ql_log_info, NULL, 0x0005,
4387             "QLogic Fibre Channel HBA Driver: %s.\n",
4388             qla2x00_version_str);
4389         ret = pci_register_driver(&qla2xxx_pci_driver);
4390         if (ret) {
4391                 kmem_cache_destroy(srb_cachep);
4392                 fc_release_transport(qla2xxx_transport_template);
4393                 fc_release_transport(qla2xxx_transport_vport_template);
4394                 ql_log(ql_log_fatal, NULL, 0x0006,
4395                     "pci_register_driver failed...ret=%d Failing load!.\n",
4396                     ret);
4397         }
4398         return ret;
4399 }
4400
4401 /**
4402  * qla2x00_module_exit - Module cleanup.
4403  **/
4404 static void __exit
4405 qla2x00_module_exit(void)
4406 {
4407         unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
4408         pci_unregister_driver(&qla2xxx_pci_driver);
4409         qla2x00_release_firmware();
4410         kmem_cache_destroy(srb_cachep);
4411         if (ctx_cachep)
4412                 kmem_cache_destroy(ctx_cachep);
4413         fc_release_transport(qla2xxx_transport_template);
4414         fc_release_transport(qla2xxx_transport_vport_template);
4415 }
4416
4417 module_init(qla2x00_module_init);
4418 module_exit(qla2x00_module_exit);
4419
4420 MODULE_AUTHOR("QLogic Corporation");
4421 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
4422 MODULE_LICENSE("GPL");
4423 MODULE_VERSION(QLA2XXX_VERSION);
4424 MODULE_FIRMWARE(FW_FILE_ISP21XX);
4425 MODULE_FIRMWARE(FW_FILE_ISP22XX);
4426 MODULE_FIRMWARE(FW_FILE_ISP2300);
4427 MODULE_FIRMWARE(FW_FILE_ISP2322);
4428 MODULE_FIRMWARE(FW_FILE_ISP24XX);
4429 MODULE_FIRMWARE(FW_FILE_ISP25XX);