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 = 0;
 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                 ", 2 - Enable DIF for all types, except Type 0.");
 115
 116 int ql2xenablehba_err_chk = 2;
 117 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
 118 MODULE_PARM_DESC(ql2xenablehba_err_chk,
 119                 " Enable T10-CRC-DIF Error isolation by HBA:\n"
 120                 " Default is 1.\n"
 121                 "  0 -- Error isolation disabled\n"
 122                 "  1 -- Error isolation enabled only for DIX Type 0\n"
 123                 "  2 -- Error isolation enabled for all Types\n");
 124
 125 int ql2xiidmaenable=1;
 126 module_param(ql2xiidmaenable, int, S_IRUGO);
 127 MODULE_PARM_DESC(ql2xiidmaenable,
 128                 "Enables iIDMA settings "
 129                 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
 130
 131 int ql2xmaxqueues = 1;
 132 module_param(ql2xmaxqueues, int, S_IRUGO);
 133 MODULE_PARM_DESC(ql2xmaxqueues,
 134                 "Enables MQ settings "
 135                 "Default is 1 for single queue. Set it to number "
 136                 "of queues in MQ mode.");
 137
 138 int ql2xmultique_tag;
 139 module_param(ql2xmultique_tag, int, S_IRUGO);
 140 MODULE_PARM_DESC(ql2xmultique_tag,
 141                 "Enables CPU affinity settings for the driver "
 142                 "Default is 0 for no affinity of request and response IO. "
 143                 "Set it to 1 to turn on the cpu affinity.");
 144
 145 int ql2xfwloadbin;
 146 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
 147 MODULE_PARM_DESC(ql2xfwloadbin,
 148                 "Option to specify location from which to load ISP firmware:.\n"
 149                 " 2 -- load firmware via the request_firmware() (hotplug).\n"
 150                 "      interface.\n"
 151                 " 1 -- load firmware from flash.\n"
 152                 " 0 -- use default semantics.\n");
 153
 154 int ql2xetsenable;
 155 module_param(ql2xetsenable, int, S_IRUGO);
 156 MODULE_PARM_DESC(ql2xetsenable,
 157                 "Enables firmware ETS burst."
 158                 "Default is 0 - skip ETS enablement.");
 159
 160 int ql2xdbwr = 1;
 161 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
 162 MODULE_PARM_DESC(ql2xdbwr,
 163                 "Option to specify scheme for request queue posting.\n"
 164                 " 0 -- Regular doorbell.\n"
 165                 " 1 -- CAMRAM doorbell (faster).\n");
 166
 167 int ql2xtargetreset = 1;
 168 module_param(ql2xtargetreset, int, S_IRUGO);
 169 MODULE_PARM_DESC(ql2xtargetreset,
 170                  "Enable target reset."
 171                  "Default is 1 - use hw defaults.");
 172
 173 int ql2xgffidenable;
 174 module_param(ql2xgffidenable, int, S_IRUGO);
 175 MODULE_PARM_DESC(ql2xgffidenable,
 176                 "Enables GFF_ID checks of port type. "
 177                 "Default is 0 - Do not use GFF_ID information.");
 178
 179 int ql2xasynctmfenable;
 180 module_param(ql2xasynctmfenable, int, S_IRUGO);
 181 MODULE_PARM_DESC(ql2xasynctmfenable,
 182                 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
 183                 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
 184
 185 int ql2xdontresethba;
 186 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
 187 MODULE_PARM_DESC(ql2xdontresethba,
 188                 "Option to specify reset behaviour.\n"
 189                 " 0 (Default) -- Reset on failure.\n"
 190                 " 1 -- Do not reset on failure.\n");
 191
 192 uint ql2xmaxlun = MAX_LUNS;
 193 module_param(ql2xmaxlun, uint, S_IRUGO);
 194 MODULE_PARM_DESC(ql2xmaxlun,
 195                 "Defines the maximum LU number to register with the SCSI "
 196                 "midlayer. Default is 65535.");
 197
 198 int ql2xmdcapmask = 0x1F;
 199 module_param(ql2xmdcapmask, int, S_IRUGO);
 200 MODULE_PARM_DESC(ql2xmdcapmask,
 201                 "Set the Minidump driver capture mask level. "
 202                 "Default is 0x7F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
 203
 204 int ql2xmdenable;
 205 module_param(ql2xmdenable, int, S_IRUGO);
 206 MODULE_PARM_DESC(ql2xmdenable,
 207                 "Enable/disable MiniDump. "
 208                 "0 (Default) - MiniDump disabled. "
 209                 "1 - MiniDump enabled.");
 210
 211 /*
 212  * SCSI host template entry points
 213  */
 214 static int qla2xxx_slave_configure(struct scsi_device * device);
 215 static int qla2xxx_slave_alloc(struct scsi_device *);
 216 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
 217 static void qla2xxx_scan_start(struct Scsi_Host *);
 218 static void qla2xxx_slave_destroy(struct scsi_device *);
 219 static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
 220 static int qla2xxx_eh_abort(struct scsi_cmnd *);
 221 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
 222 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
 223 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 224 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 225
 226 static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
 227 static int qla2x00_change_queue_type(struct scsi_device *, int);
 228
 229 struct scsi_host_template qla2xxx_driver_template = {
 230         .module                 = THIS_MODULE,
 231         .name                   = QLA2XXX_DRIVER_NAME,
 232         .queuecommand           = qla2xxx_queuecommand,
 233
 234         .eh_abort_handler       = qla2xxx_eh_abort,
 235         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 236         .eh_target_reset_handler = qla2xxx_eh_target_reset,
 237         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 238         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 239
 240         .slave_configure        = qla2xxx_slave_configure,
 241
 242         .slave_alloc            = qla2xxx_slave_alloc,
 243         .slave_destroy          = qla2xxx_slave_destroy,
 244         .scan_finished          = qla2xxx_scan_finished,
 245         .scan_start             = qla2xxx_scan_start,
 246         .change_queue_depth     = qla2x00_change_queue_depth,
 247         .change_queue_type      = qla2x00_change_queue_type,
 248         .this_id                = -1,
 249         .cmd_per_lun            = 3,
 250         .use_clustering         = ENABLE_CLUSTERING,
 251         .sg_tablesize           = SG_ALL,
 252
 253         .max_sectors            = 0xFFFF,
 254         .shost_attrs            = qla2x00_host_attrs,
 255 };
 256
 257 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 258 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 259
 260 /* TODO Convert to inlines
 261  *
 262  * Timer routines
 263  */
 264
 265 __inline__ void
 266 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
 267 {
 268         init_timer(&vha->timer);
 269         vha->timer.expires = jiffies + interval * HZ;
 270         vha->timer.data = (unsigned long)vha;
 271         vha->timer.function = (void (*)(unsigned long))func;
 272         add_timer(&vha->timer);
 273         vha->timer_active = 1;
 274 }
 275
 276 static inline void
 277 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
 278 {
 279         /* Currently used for 82XX only. */
 280         if (vha->device_flags & DFLG_DEV_FAILED) {
 281                 ql_dbg(ql_dbg_timer, vha, 0x600d,
 282                     "Device in a failed state, returning.\n");
 283                 return;
 284         }
 285
 286         mod_timer(&vha->timer, jiffies + interval * HZ);
 287 }
 288
 289 static __inline__ void
 290 qla2x00_stop_timer(scsi_qla_host_t *vha)
 291 {
 292         del_timer_sync(&vha->timer);
 293         vha->timer_active = 0;
 294 }
 295
 296 static int qla2x00_do_dpc(void *data);
 297
 298 static void qla2x00_rst_aen(scsi_qla_host_t *);
 299
 300 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
 301         struct req_que **, struct rsp_que **);
 302 static void qla2x00_free_fw_dump(struct qla_hw_data *);
 303 static void qla2x00_mem_free(struct qla_hw_data *);
 304 static void qla2x00_sp_free_dma(srb_t *);
 305
 306 /* -------------------------------------------------------------------------- */
 307 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
 308 {
 309         scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 310         ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
 311                                 GFP_KERNEL);
 312         if (!ha->req_q_map) {
 313                 ql_log(ql_log_fatal, vha, 0x003b,
 314                     "Unable to allocate memory for request queue ptrs.\n");
 315                 goto fail_req_map;
 316         }
 317
 318         ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
 319                                 GFP_KERNEL);
 320         if (!ha->rsp_q_map) {
 321                 ql_log(ql_log_fatal, vha, 0x003c,
 322                     "Unable to allocate memory for response queue ptrs.\n");
 323                 goto fail_rsp_map;
 324         }
 325         set_bit(0, ha->rsp_qid_map);
 326         set_bit(0, ha->req_qid_map);
 327         return 1;
 328
 329 fail_rsp_map:
 330         kfree(ha->req_q_map);
 331         ha->req_q_map = NULL;
 332 fail_req_map:
 333         return -ENOMEM;
 334 }
 335
 336 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
 337 {
 338         if (req && req->ring)
 339                 dma_free_coherent(&ha->pdev->dev,
 340                 (req->length + 1) * sizeof(request_t),
 341                 req->ring, req->dma);
 342
 343         kfree(req);
 344         req = NULL;
 345 }
 346
 347 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
 348 {
 349         if (rsp && rsp->ring)
 350                 dma_free_coherent(&ha->pdev->dev,
 351                 (rsp->length + 1) * sizeof(response_t),
 352                 rsp->ring, rsp->dma);
 353
 354         kfree(rsp);
 355         rsp = NULL;
 356 }
 357
 358 static void qla2x00_free_queues(struct qla_hw_data *ha)
 359 {
 360         struct req_que *req;
 361         struct rsp_que *rsp;
 362         int cnt;
 363
 364         for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
 365                 req = ha->req_q_map[cnt];
 366                 qla2x00_free_req_que(ha, req);
 367         }
 368         kfree(ha->req_q_map);
 369         ha->req_q_map = NULL;
 370
 371         for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
 372                 rsp = ha->rsp_q_map[cnt];
 373                 qla2x00_free_rsp_que(ha, rsp);
 374         }
 375         kfree(ha->rsp_q_map);
 376         ha->rsp_q_map = NULL;
 377 }
 378
 379 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
 380 {
 381         uint16_t options = 0;
 382         int ques, req, ret;
 383         struct qla_hw_data *ha = vha->hw;
 384
 385         if (!(ha->fw_attributes & BIT_6)) {
 386                 ql_log(ql_log_warn, vha, 0x00d8,
 387                     "Firmware is not multi-queue capable.\n");
 388                 goto fail;
 389         }
 390         if (ql2xmultique_tag) {
 391                 /* create a request queue for IO */
 392                 options |= BIT_7;
 393                 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
 394                         QLA_DEFAULT_QUE_QOS);
 395                 if (!req) {
 396                         ql_log(ql_log_warn, vha, 0x00e0,
 397                             "Failed to create request queue.\n");
 398                         goto fail;
 399                 }
 400                 ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
 401                 vha->req = ha->req_q_map[req];
 402                 options |= BIT_1;
 403                 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
 404                         ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
 405                         if (!ret) {
 406                                 ql_log(ql_log_warn, vha, 0x00e8,
 407                                     "Failed to create response queue.\n");
 408                                 goto fail2;
 409                         }
 410                 }
 411                 ha->flags.cpu_affinity_enabled = 1;
 412                 ql_dbg(ql_dbg_multiq, vha, 0xc007,
 413                     "CPU affinity mode enalbed, "
 414                     "no. of response queues:%d no. of request queues:%d.\n",
 415                     ha->max_rsp_queues, ha->max_req_queues);
 416                 ql_dbg(ql_dbg_init, vha, 0x00e9,
 417                     "CPU affinity mode enalbed, "
 418                     "no. of response queues:%d no. of request queues:%d.\n",
 419                     ha->max_rsp_queues, ha->max_req_queues);
 420         }
 421         return 0;
 422 fail2:
 423         qla25xx_delete_queues(vha);
 424         destroy_workqueue(ha->wq);
 425         ha->wq = NULL;
 426 fail:
 427         ha->mqenable = 0;
 428         kfree(ha->req_q_map);
 429         kfree(ha->rsp_q_map);
 430         ha->max_req_queues = ha->max_rsp_queues = 1;
 431         return 1;
 432 }
 433
 434 static char *
 435 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
 436 {
 437         struct qla_hw_data *ha = vha->hw;
 438         static char *pci_bus_modes[] = {
 439                 "33", "66", "100", "133",
 440         };
 441         uint16_t pci_bus;
 442
 443         strcpy(str, "PCI");
 444         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 445         if (pci_bus) {
 446                 strcat(str, "-X (");
 447                 strcat(str, pci_bus_modes[pci_bus]);
 448         } else {
 449                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 450                 strcat(str, " (");
 451                 strcat(str, pci_bus_modes[pci_bus]);
 452         }
 453         strcat(str, " MHz)");
 454
 455         return (str);
 456 }
 457
 458 static char *
 459 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
 460 {
 461         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 462         struct qla_hw_data *ha = vha->hw;
 463         uint32_t pci_bus;
 464         int pcie_reg;
 465
 466         pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 467         if (pcie_reg) {
 468                 char lwstr[6];
 469                 uint16_t pcie_lstat, lspeed, lwidth;
 470
 471                 pcie_reg += 0x12;
 472                 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
 473                 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
 474                 lwidth = (pcie_lstat &
 475                     (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
 476
 477                 strcpy(str, "PCIe (");
 478                 if (lspeed == 1)
 479                         strcat(str, "2.5GT/s ");
 480                 else if (lspeed == 2)
 481                         strcat(str, "5.0GT/s ");
 482                 else
 483                         strcat(str, "<unknown> ");
 484                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 485                 strcat(str, lwstr);
 486
 487                 return str;
 488         }
 489
 490         strcpy(str, "PCI");
 491         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 492         if (pci_bus == 0 || pci_bus == 8) {
 493                 strcat(str, " (");
 494                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 495         } else {
 496                 strcat(str, "-X ");
 497                 if (pci_bus & BIT_2)
 498                         strcat(str, "Mode 2");
 499                 else
 500                         strcat(str, "Mode 1");
 501                 strcat(str, " (");
 502                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 503         }
 504         strcat(str, " MHz)");
 505
 506         return str;
 507 }
 508
 509 static char *
 510 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
 511 {
 512         char un_str[10];
 513         struct qla_hw_data *ha = vha->hw;
 514
 515         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 516             ha->fw_minor_version,
 517             ha->fw_subminor_version);
 518
 519         if (ha->fw_attributes & BIT_9) {
 520                 strcat(str, "FLX");
 521                 return (str);
 522         }
 523
 524         switch (ha->fw_attributes & 0xFF) {
 525         case 0x7:
 526                 strcat(str, "EF");
 527                 break;
 528         case 0x17:
 529                 strcat(str, "TP");
 530                 break;
 531         case 0x37:
 532                 strcat(str, "IP");
 533                 break;
 534         case 0x77:
 535                 strcat(str, "VI");
 536                 break;
 537         default:
 538                 sprintf(un_str, "(%x)", ha->fw_attributes);
 539                 strcat(str, un_str);
 540                 break;
 541         }
 542         if (ha->fw_attributes & 0x100)
 543                 strcat(str, "X");
 544
 545         return (str);
 546 }
 547
 548 static char *
 549 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
 550 {
 551         struct qla_hw_data *ha = vha->hw;
 552
 553         sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
 554             ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
 555         return str;
 556 }
 557
 558 static inline srb_t *
 559 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
 560         struct scsi_cmnd *cmd)
 561 {
 562         srb_t *sp;
 563         struct qla_hw_data *ha = vha->hw;
 564
 565         sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
 566         if (!sp) {
 567                 ql_log(ql_log_warn, vha, 0x3006,
 568                     "Memory allocation failed for sp.\n");
 569                 return sp;
 570         }
 571
 572         atomic_set(&sp->ref_count, 1);
 573         sp->fcport = fcport;
 574         sp->cmd = cmd;
 575         sp->flags = 0;
 576         CMD_SP(cmd) = (void *)sp;
 577         sp->ctx = NULL;
 578
 579         return sp;
 580 }
 581
 582 static int
 583 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 584 {
 585         scsi_qla_host_t *vha = shost_priv(host);
 586         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 587         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 588         struct qla_hw_data *ha = vha->hw;
 589         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 590         srb_t *sp;
 591         int rval;
 592
 593         if (ha->flags.eeh_busy) {
 594                 if (ha->flags.pci_channel_io_perm_failure) {
 595                         ql_dbg(ql_dbg_io, vha, 0x3001,
 596                             "PCI Channel IO permanent failure, exiting "
 597                             "cmd=%p.\n", cmd);
 598                         cmd->result = DID_NO_CONNECT << 16;
 599                 } else {
 600                         ql_dbg(ql_dbg_io, vha, 0x3002,
 601                             "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
 602                         cmd->result = DID_REQUEUE << 16;
 603                 }
 604                 goto qc24_fail_command;
 605         }
 606
 607         rval = fc_remote_port_chkready(rport);
 608         if (rval) {
 609                 cmd->result = rval;
 610                 ql_dbg(ql_dbg_io, vha, 0x3003,
 611                     "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
 612                     cmd, rval);
 613                 goto qc24_fail_command;
 614         }
 615
 616         if (!vha->flags.difdix_supported &&
 617                 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
 618                         ql_dbg(ql_dbg_io, vha, 0x3004,
 619                             "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
 620                             cmd);
 621                         cmd->result = DID_NO_CONNECT << 16;
 622                         goto qc24_fail_command;
 623         }
 624         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 625                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 626                         atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 627                         ql_dbg(ql_dbg_io, vha, 0x3005,
 628                             "Returning DNC, fcport_state=%d loop_state=%d.\n",
 629                             atomic_read(&fcport->state),
 630                             atomic_read(&base_vha->loop_state));
 631                         cmd->result = DID_NO_CONNECT << 16;
 632                         goto qc24_fail_command;
 633                 }
 634                 goto qc24_target_busy;
 635         }
 636
 637         sp = qla2x00_get_new_sp(base_vha, fcport, cmd);
 638         if (!sp)
 639                 goto qc24_host_busy;
 640
 641         rval = ha->isp_ops->start_scsi(sp);
 642         if (rval != QLA_SUCCESS) {
 643                 ql_dbg(ql_dbg_io, vha, 0x3013,
 644                     "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
 645                 goto qc24_host_busy_free_sp;
 646         }
 647
 648         return 0;
 649
 650 qc24_host_busy_free_sp:
 651         qla2x00_sp_free_dma(sp);
 652         mempool_free(sp, ha->srb_mempool);
 653
 654 qc24_host_busy:
 655         return SCSI_MLQUEUE_HOST_BUSY;
 656
 657 qc24_target_busy:
 658         return SCSI_MLQUEUE_TARGET_BUSY;
 659
 660 qc24_fail_command:
 661         cmd->scsi_done(cmd);
 662
 663         return 0;
 664 }
 665
 666 /*
 667  * qla2x00_eh_wait_on_command
 668  *    Waits for the command to be returned by the Firmware for some
 669  *    max time.
 670  *
 671  * Input:
 672  *    cmd = Scsi Command to wait on.
 673  *
 674  * Return:
 675  *    Not Found : 0
 676  *    Found : 1
 677  */
 678 static int
 679 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
 680 {
 681 #define ABORT_POLLING_PERIOD    1000
 682 #define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
 683         unsigned long wait_iter = ABORT_WAIT_ITER;
 684         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 685         struct qla_hw_data *ha = vha->hw;
 686         int ret = QLA_SUCCESS;
 687
 688         if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
 689                 ql_dbg(ql_dbg_taskm, vha, 0x8005,
 690                     "Return:eh_wait.\n");
 691                 return ret;
 692         }
 693
 694         while (CMD_SP(cmd) && wait_iter--) {
 695                 msleep(ABORT_POLLING_PERIOD);
 696         }
 697         if (CMD_SP(cmd))
 698                 ret = QLA_FUNCTION_FAILED;
 699
 700         return ret;
 701 }
 702
 703 /*
 704  * qla2x00_wait_for_hba_online
 705  *    Wait till the HBA is online after going through
 706  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 707  *    finally HBA is disabled ie marked offline
 708  *
 709  * Input:
 710  *     ha - pointer to host adapter structure
 711  *
 712  * Note:
 713  *    Does context switching-Release SPIN_LOCK
 714  *    (if any) before calling this routine.
 715  *
 716  * Return:
 717  *    Success (Adapter is online) : 0
 718  *    Failed  (Adapter is offline/disabled) : 1
 719  */
 720 int
 721 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
 722 {
 723         int             return_status;
 724         unsigned long   wait_online;
 725         struct qla_hw_data *ha = vha->hw;
 726         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 727
 728         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 729         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 730             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 731             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 732             ha->dpc_active) && time_before(jiffies, wait_online)) {
 733
 734                 msleep(1000);
 735         }
 736         if (base_vha->flags.online)
 737                 return_status = QLA_SUCCESS;
 738         else
 739                 return_status = QLA_FUNCTION_FAILED;
 740
 741         return (return_status);
 742 }
 743
 744 /*
 745  * qla2x00_wait_for_reset_ready
 746  *    Wait till the HBA is online after going through
 747  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 748  *    finally HBA is disabled ie marked offline or flash
 749  *    operations are in progress.
 750  *
 751  * Input:
 752  *     ha - pointer to host adapter structure
 753  *
 754  * Note:
 755  *    Does context switching-Release SPIN_LOCK
 756  *    (if any) before calling this routine.
 757  *
 758  * Return:
 759  *    Success (Adapter is online/no flash ops) : 0
 760  *    Failed  (Adapter is offline/disabled/flash ops in progress) : 1
 761  */
 762 static int
 763 qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha)
 764 {
 765         int             return_status;
 766         unsigned long   wait_online;
 767         struct qla_hw_data *ha = vha->hw;
 768         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 769
 770         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 771         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 772             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 773             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 774             ha->optrom_state != QLA_SWAITING ||
 775             ha->dpc_active) && time_before(jiffies, wait_online))
 776                 msleep(1000);
 777
 778         if (base_vha->flags.online &&  ha->optrom_state == QLA_SWAITING)
 779                 return_status = QLA_SUCCESS;
 780         else
 781                 return_status = QLA_FUNCTION_FAILED;
 782
 783         ql_dbg(ql_dbg_taskm, vha, 0x8019,
 784             "%s return status=%d.\n", __func__, return_status);
 785
 786         return return_status;
 787 }
 788
 789 int
 790 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
 791 {
 792         int             return_status;
 793         unsigned long   wait_reset;
 794         struct qla_hw_data *ha = vha->hw;
 795         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 796
 797         wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 798         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 799             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 800             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 801             ha->dpc_active) && time_before(jiffies, wait_reset)) {
 802
 803                 msleep(1000);
 804
 805                 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
 806                     ha->flags.chip_reset_done)
 807                         break;
 808         }
 809         if (ha->flags.chip_reset_done)
 810                 return_status = QLA_SUCCESS;
 811         else
 812                 return_status = QLA_FUNCTION_FAILED;
 813
 814         return return_status;
 815 }
 816
 817 /*
 818  * qla2x00_wait_for_loop_ready
 819  *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
 820  *    to be in LOOP_READY state.
 821  * Input:
 822  *     ha - pointer to host adapter structure
 823  *
 824  * Note:
 825  *    Does context switching-Release SPIN_LOCK
 826  *    (if any) before calling this routine.
 827  *
 828  *
 829  * Return:
 830  *    Success (LOOP_READY) : 0
 831  *    Failed  (LOOP_NOT_READY) : 1
 832  */
 833 static inline int
 834 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
 835 {
 836         int      return_status = QLA_SUCCESS;
 837         unsigned long loop_timeout ;
 838         struct qla_hw_data *ha = vha->hw;
 839         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 840
 841         /* wait for 5 min at the max for loop to be ready */
 842         loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 843
 844         while ((!atomic_read(&base_vha->loop_down_timer) &&
 845             atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
 846             atomic_read(&base_vha->loop_state) != LOOP_READY) {
 847                 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 848                         return_status = QLA_FUNCTION_FAILED;
 849                         break;
 850                 }
 851                 msleep(1000);
 852                 if (time_after_eq(jiffies, loop_timeout)) {
 853                         return_status = QLA_FUNCTION_FAILED;
 854                         break;
 855                 }
 856         }
 857         return (return_status);
 858 }
 859
 860 static void
 861 sp_get(struct srb *sp)
 862 {
 863         atomic_inc(&sp->ref_count);
 864 }
 865
 866 /**************************************************************************
 867 * qla2xxx_eh_abort
 868 *
 869 * Description:
 870 *    The abort function will abort the specified command.
 871 *
 872 * Input:
 873 *    cmd = Linux SCSI command packet to be aborted.
 874 *
 875 * Returns:
 876 *    Either SUCCESS or FAILED.
 877 *
 878 * Note:
 879 *    Only return FAILED if command not returned by firmware.
 880 **************************************************************************/
 881 static int
 882 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 883 {
 884         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 885         srb_t *sp;
 886         int ret;
 887         unsigned int id, lun;
 888         unsigned long flags;
 889         int wait = 0;
 890         struct qla_hw_data *ha = vha->hw;
 891
 892         ql_dbg(ql_dbg_taskm, vha, 0x8000,
 893             "Entered %s for cmd=%p.\n", __func__, cmd);
 894         if (!CMD_SP(cmd))
 895                 return SUCCESS;
 896
 897         ret = fc_block_scsi_eh(cmd);
 898         ql_dbg(ql_dbg_taskm, vha, 0x8001,
 899             "Return value of fc_block_scsi_eh=%d.\n", ret);
 900         if (ret != 0)
 901                 return ret;
 902         ret = SUCCESS;
 903
 904         id = cmd->device->id;
 905         lun = cmd->device->lun;
 906
 907         spin_lock_irqsave(&ha->hardware_lock, flags);
 908         sp = (srb_t *) CMD_SP(cmd);
 909         if (!sp) {
 910                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 911                 return SUCCESS;
 912         }
 913
 914         ql_dbg(ql_dbg_taskm, vha, 0x8002,
 915             "Aborting sp=%p cmd=%p from RISC ", sp, cmd);
 916
 917         /* Get a reference to the sp and drop the lock.*/
 918         sp_get(sp);
 919
 920         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 921         if (ha->isp_ops->abort_command(sp)) {
 922                 ql_dbg(ql_dbg_taskm, vha, 0x8003,
 923                     "Abort command mbx failed for cmd=%p.\n", cmd);
 924         } else {
 925                 ql_dbg(ql_dbg_taskm, vha, 0x8004,
 926                     "Abort command mbx success.\n");
 927                 wait = 1;
 928         }
 929
 930         spin_lock_irqsave(&ha->hardware_lock, flags);
 931         qla2x00_sp_compl(ha, sp);
 932         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 933
 934         /* Did the command return during mailbox execution? */
 935         if (ret == FAILED && !CMD_SP(cmd))
 936                 ret = SUCCESS;
 937
 938         /* Wait for the command to be returned. */
 939         if (wait) {
 940                 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
 941                         ql_log(ql_log_warn, vha, 0x8006,
 942                             "Abort handler timed out for cmd=%p.\n", cmd);
 943                         ret = FAILED;
 944                 }
 945         }
 946
 947         ql_log(ql_log_info, vha, 0x801c,
 948             "Abort command issued --  %d %x.\n", wait, ret);
 949
 950         return ret;
 951 }
 952
 953 int
 954 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
 955         unsigned int l, enum nexus_wait_type type)
 956 {
 957         int cnt, match, status;
 958         unsigned long flags;
 959         struct qla_hw_data *ha = vha->hw;
 960         struct req_que *req;
 961         srb_t *sp;
 962
 963         status = QLA_SUCCESS;
 964
 965         spin_lock_irqsave(&ha->hardware_lock, flags);
 966         req = vha->req;
 967         for (cnt = 1; status == QLA_SUCCESS &&
 968                 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 969                 sp = req->outstanding_cmds[cnt];
 970                 if (!sp)
 971                         continue;
 972                 if ((sp->ctx) && !IS_PROT_IO(sp))
 973                         continue;
 974                 if (vha->vp_idx != sp->fcport->vha->vp_idx)
 975                         continue;
 976                 match = 0;
 977                 switch (type) {
 978                 case WAIT_HOST:
 979                         match = 1;
 980                         break;
 981                 case WAIT_TARGET:
 982                         match = sp->cmd->device->id == t;
 983                         break;
 984                 case WAIT_LUN:
 985                         match = (sp->cmd->device->id == t &&
 986                                 sp->cmd->device->lun == l);
 987                         break;
 988                 }
 989                 if (!match)
 990                         continue;
 991
 992                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 993                 status = qla2x00_eh_wait_on_command(sp->cmd);
 994                 spin_lock_irqsave(&ha->hardware_lock, flags);
 995         }
 996         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 997
 998         return status;
 999 }
1000
1001 static char *reset_errors[] = {
1002         "HBA not online",
1003         "HBA not ready",
1004         "Task management failed",
1005         "Waiting for command completions",
1006 };
1007
1008 static int
1009 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1010     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
1011 {
1012         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1013         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1014         int err;
1015
1016         if (!fcport) {
1017                 ql_log(ql_log_warn, vha, 0x8007,
1018                     "fcport is NULL.\n");
1019                 return FAILED;
1020         }
1021
1022         err = fc_block_scsi_eh(cmd);
1023         ql_dbg(ql_dbg_taskm, vha, 0x8008,
1024             "fc_block_scsi_eh ret=%d.\n", err);
1025         if (err != 0)
1026                 return err;
1027
1028         ql_log(ql_log_info, vha, 0x8009,
1029             "%s RESET ISSUED for id %d lun %d cmd=%p.\n", name,
1030             cmd->device->id, cmd->device->lun, cmd);
1031
1032         err = 0;
1033         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1034                 ql_log(ql_log_warn, vha, 0x800a,
1035                     "Wait for hba online failed for cmd=%p.\n", cmd);
1036                 goto eh_reset_failed;
1037         }
1038         err = 1;
1039         if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS) {
1040                 ql_log(ql_log_warn, vha, 0x800b,
1041                     "Wait for loop ready failed for cmd=%p.\n", cmd);
1042                 goto eh_reset_failed;
1043         }
1044         err = 2;
1045         if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1046                 != QLA_SUCCESS) {
1047                 ql_log(ql_log_warn, vha, 0x800c,
1048                     "do_reset failed for cmd=%p.\n", cmd);
1049                 goto eh_reset_failed;
1050         }
1051         err = 3;
1052         if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1053             cmd->device->lun, type) != QLA_SUCCESS) {
1054                 ql_log(ql_log_warn, vha, 0x800d,
1055                     "wait for peding cmds failed for cmd=%p.\n", cmd);
1056                 goto eh_reset_failed;
1057         }
1058
1059         ql_log(ql_log_info, vha, 0x800e,
1060             "%s RESET SUCCEEDED for id %d lun %d cmd=%p.\n", name,
1061             cmd->device->id, cmd->device->lun, cmd);
1062
1063         return SUCCESS;
1064
1065 eh_reset_failed:
1066         ql_log(ql_log_info, vha, 0x800f,
1067             "%s RESET FAILED: %s for id %d lun %d cmd=%p.\n", name,
1068             reset_errors[err], cmd->device->id, cmd->device->lun);
1069         return FAILED;
1070 }
1071
1072 static int
1073 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1074 {
1075         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1076         struct qla_hw_data *ha = vha->hw;
1077
1078         return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1079             ha->isp_ops->lun_reset);
1080 }
1081
1082 static int
1083 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1084 {
1085         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1086         struct qla_hw_data *ha = vha->hw;
1087
1088         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1089             ha->isp_ops->target_reset);
1090 }
1091
1092 /**************************************************************************
1093 * qla2xxx_eh_bus_reset
1094 *
1095 * Description:
1096 *    The bus reset function will reset the bus and abort any executing
1097 *    commands.
1098 *
1099 * Input:
1100 *    cmd = Linux SCSI command packet of the command that cause the
1101 *          bus reset.
1102 *
1103 * Returns:
1104 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1105 *
1106 **************************************************************************/
1107 static int
1108 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1109 {
1110         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1111         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1112         int ret = FAILED;
1113         unsigned int id, lun;
1114
1115         id = cmd->device->id;
1116         lun = cmd->device->lun;
1117
1118         if (!fcport) {
1119                 ql_log(ql_log_warn, vha, 0x8010,
1120                     "fcport is NULL.\n");
1121                 return ret;
1122         }
1123
1124         ret = fc_block_scsi_eh(cmd);
1125         ql_dbg(ql_dbg_taskm, vha, 0x8011,
1126             "fc_block_scsi_eh ret=%d.\n", ret);
1127         if (ret != 0)
1128                 return ret;
1129         ret = FAILED;
1130
1131         ql_log(ql_log_info, vha, 0x8012,
1132             "BUS RESET ISSUED for id %d lun %d.\n", id, lun);
1133
1134         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1135                 ql_log(ql_log_fatal, vha, 0x8013,
1136                     "Wait for hba online failed board disabled.\n");
1137                 goto eh_bus_reset_done;
1138         }
1139
1140         if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1141                 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1142                         ret = SUCCESS;
1143         }
1144         if (ret == FAILED)
1145                 goto eh_bus_reset_done;
1146
1147         /* Flush outstanding commands. */
1148         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1149             QLA_SUCCESS) {
1150                 ql_log(ql_log_warn, vha, 0x8014,
1151                     "Wait for pending commands failed.\n");
1152                 ret = FAILED;
1153         }
1154
1155 eh_bus_reset_done:
1156         ql_log(ql_log_warn, vha, 0x802b,
1157             "BUS RESET %s.\n", (ret == FAILED) ? "FAILED" : "SUCCEDED");
1158
1159         return ret;
1160 }
1161
1162 /**************************************************************************
1163 * qla2xxx_eh_host_reset
1164 *
1165 * Description:
1166 *    The reset function will reset the Adapter.
1167 *
1168 * Input:
1169 *      cmd = Linux SCSI command packet of the command that cause the
1170 *            adapter reset.
1171 *
1172 * Returns:
1173 *      Either SUCCESS or FAILED.
1174 *
1175 * Note:
1176 **************************************************************************/
1177 static int
1178 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1179 {
1180         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1181         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1182         struct qla_hw_data *ha = vha->hw;
1183         int ret = FAILED;
1184         unsigned int id, lun;
1185         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1186
1187         id = cmd->device->id;
1188         lun = cmd->device->lun;
1189
1190         if (!fcport) {
1191                 ql_log(ql_log_warn, vha, 0x8016,
1192                     "fcport is NULL.\n");
1193                 return ret;
1194         }
1195
1196         ret = fc_block_scsi_eh(cmd);
1197         ql_dbg(ql_dbg_taskm, vha, 0x8017,
1198             "fc_block_scsi_eh ret=%d.\n", ret);
1199         if (ret != 0)
1200                 return ret;
1201         ret = FAILED;
1202
1203         ql_log(ql_log_info, vha, 0x8018,
1204             "ADAPTER RESET ISSUED for id %d lun %d.\n", id, lun);
1205
1206         if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
1207                 goto eh_host_reset_lock;
1208
1209         /*
1210          * Fixme-may be dpc thread is active and processing
1211          * loop_resync,so wait a while for it to
1212          * be completed and then issue big hammer.Otherwise
1213          * it may cause I/O failure as big hammer marks the
1214          * devices as lost kicking of the port_down_timer
1215          * while dpc is stuck for the mailbox to complete.
1216          */
1217         qla2x00_wait_for_loop_ready(vha);
1218         if (vha != base_vha) {
1219                 if (qla2x00_vp_abort_isp(vha))
1220                         goto eh_host_reset_lock;
1221         } else {
1222                 if (IS_QLA82XX(vha->hw)) {
1223                         if (!qla82xx_fcoe_ctx_reset(vha)) {
1224                                 /* Ctx reset success */
1225                                 ret = SUCCESS;
1226                                 goto eh_host_reset_lock;
1227                         }
1228                         /* fall thru if ctx reset failed */
1229                 }
1230                 if (ha->wq)
1231                         flush_workqueue(ha->wq);
1232
1233                 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1234                 if (ha->isp_ops->abort_isp(base_vha)) {
1235                         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1236                         /* failed. schedule dpc to try */
1237                         set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1238
1239                         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1240                                 ql_log(ql_log_warn, vha, 0x802a,
1241                                     "wait for hba online failed.\n");
1242                                 goto eh_host_reset_lock;
1243                         }
1244                 }
1245                 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1246         }
1247
1248         /* Waiting for command to be returned to OS.*/
1249         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1250                 QLA_SUCCESS)
1251                 ret = SUCCESS;
1252
1253 eh_host_reset_lock:
1254         qla_printk(KERN_INFO, ha, "%s: reset %s.\n", __func__,
1255             (ret == FAILED) ? "failed" : "succeeded");
1256
1257         return ret;
1258 }
1259
1260 /*
1261 * qla2x00_loop_reset
1262 *      Issue loop reset.
1263 *
1264 * Input:
1265 *      ha = adapter block pointer.
1266 *
1267 * Returns:
1268 *      0 = success
1269 */
1270 int
1271 qla2x00_loop_reset(scsi_qla_host_t *vha)
1272 {
1273         int ret;
1274         struct fc_port *fcport;
1275         struct qla_hw_data *ha = vha->hw;
1276
1277         if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1278                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1279                         if (fcport->port_type != FCT_TARGET)
1280                                 continue;
1281
1282                         ret = ha->isp_ops->target_reset(fcport, 0, 0);
1283                         if (ret != QLA_SUCCESS) {
1284                                 ql_dbg(ql_dbg_taskm, vha, 0x802c,
1285                                     "Bus Reset failed: Target Reset=%d "
1286                                     "d_id=%x.\n", ret, fcport->d_id.b24);
1287                         }
1288                 }
1289         }
1290
1291         if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) {
1292                 ret = qla2x00_full_login_lip(vha);
1293                 if (ret != QLA_SUCCESS) {
1294                         ql_dbg(ql_dbg_taskm, vha, 0x802d,
1295                             "full_login_lip=%d.\n", ret);
1296                 }
1297                 atomic_set(&vha->loop_state, LOOP_DOWN);
1298                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1299                 qla2x00_mark_all_devices_lost(vha, 0);
1300                 qla2x00_wait_for_loop_ready(vha);
1301         }
1302
1303         if (ha->flags.enable_lip_reset) {
1304                 ret = qla2x00_lip_reset(vha);
1305                 if (ret != QLA_SUCCESS) {
1306                         ql_dbg(ql_dbg_taskm, vha, 0x802e,
1307                             "lip_reset failed (%d).\n", ret);
1308                 } else
1309                         qla2x00_wait_for_loop_ready(vha);
1310         }
1311
1312         /* Issue marker command only when we are going to start the I/O */
1313         vha->marker_needed = 1;
1314
1315         return QLA_SUCCESS;
1316 }
1317
1318 void
1319 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1320 {
1321         int que, cnt;
1322         unsigned long flags;
1323         srb_t *sp;
1324         struct srb_ctx *ctx;
1325         struct qla_hw_data *ha = vha->hw;
1326         struct req_que *req;
1327
1328         spin_lock_irqsave(&ha->hardware_lock, flags);
1329         for (que = 0; que < ha->max_req_queues; que++) {
1330                 req = ha->req_q_map[que];
1331                 if (!req)
1332                         continue;
1333                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1334                         sp = req->outstanding_cmds[cnt];
1335                         if (sp) {
1336                                 req->outstanding_cmds[cnt] = NULL;
1337                                 if (!sp->ctx ||
1338                                         (sp->flags & SRB_FCP_CMND_DMA_VALID) ||
1339                                         IS_PROT_IO(sp)) {
1340                                         sp->cmd->result = res;
1341                                         qla2x00_sp_compl(ha, sp);
1342                                 } else {
1343                                         ctx = sp->ctx;
1344                                         if (ctx->type == SRB_ELS_CMD_RPT ||
1345                                             ctx->type == SRB_ELS_CMD_HST ||
1346                                             ctx->type == SRB_CT_CMD) {
1347                                                 struct fc_bsg_job *bsg_job =
1348                                                     ctx->u.bsg_job;
1349                                                 if (bsg_job->request->msgcode
1350                                                     == FC_BSG_HST_CT)
1351                                                         kfree(sp->fcport);
1352                                                 bsg_job->req->errors = 0;
1353                                                 bsg_job->reply->result = res;
1354                                                 bsg_job->job_done(bsg_job);
1355                                                 kfree(sp->ctx);
1356                                                 mempool_free(sp,
1357                                                         ha->srb_mempool);
1358                                         } else {
1359                                                 ctx->u.iocb_cmd->free(sp);
1360                                         }
1361                                 }
1362                         }
1363                 }
1364         }
1365         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1366 }
1367
1368 static int
1369 qla2xxx_slave_alloc(struct scsi_device *sdev)
1370 {
1371         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1372
1373         if (!rport || fc_remote_port_chkready(rport))
1374                 return -ENXIO;
1375
1376         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1377
1378         return 0;
1379 }
1380
1381 static int
1382 qla2xxx_slave_configure(struct scsi_device *sdev)
1383 {
1384         scsi_qla_host_t *vha = shost_priv(sdev->host);
1385         struct req_que *req = vha->req;
1386
1387         if (sdev->tagged_supported)
1388                 scsi_activate_tcq(sdev, req->max_q_depth);
1389         else
1390                 scsi_deactivate_tcq(sdev, req->max_q_depth);
1391         return 0;
1392 }
1393
1394 static void
1395 qla2xxx_slave_destroy(struct scsi_device *sdev)
1396 {
1397         sdev->hostdata = NULL;
1398 }
1399
1400 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1401 {
1402         fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1403
1404         if (!scsi_track_queue_full(sdev, qdepth))
1405                 return;
1406
1407         ql_dbg(ql_dbg_io, fcport->vha, 0x3029,
1408             "Queue depth adjusted-down "
1409             "to %d for 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 void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1415 {
1416         fc_port_t *fcport = sdev->hostdata;
1417         struct scsi_qla_host *vha = fcport->vha;
1418         struct req_que *req = NULL;
1419
1420         req = vha->req;
1421         if (!req)
1422                 return;
1423
1424         if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1425                 return;
1426
1427         if (sdev->ordered_tags)
1428                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1429         else
1430                 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1431
1432         ql_dbg(ql_dbg_io, vha, 0x302a,
1433             "Queue depth adjusted-up to %d for "
1434             "scsi(%ld:%d:%d:%d).\n",
1435             sdev->queue_depth, fcport->vha->host_no,
1436             sdev->channel, sdev->id, sdev->lun);
1437 }
1438
1439 static int
1440 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1441 {
1442         switch (reason) {
1443         case SCSI_QDEPTH_DEFAULT:
1444                 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1445                 break;
1446         case SCSI_QDEPTH_QFULL:
1447                 qla2x00_handle_queue_full(sdev, qdepth);
1448                 break;
1449         case SCSI_QDEPTH_RAMP_UP:
1450                 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1451                 break;
1452         default:
1453                 return -EOPNOTSUPP;
1454         }
1455
1456         return sdev->queue_depth;
1457 }
1458
1459 static int
1460 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1461 {
1462         if (sdev->tagged_supported) {
1463                 scsi_set_tag_type(sdev, tag_type);
1464                 if (tag_type)
1465                         scsi_activate_tcq(sdev, sdev->queue_depth);
1466                 else
1467                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1468         } else
1469                 tag_type = 0;
1470
1471         return tag_type;
1472 }
1473
1474 /**
1475  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1476  * @ha: HA context
1477  *
1478  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1479  * supported addressing method.
1480  */
1481 static void
1482 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1483 {
1484         /* Assume a 32bit DMA mask. */
1485         ha->flags.enable_64bit_addressing = 0;
1486
1487         if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1488                 /* Any upper-dword bits set? */
1489                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1490                     !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1491                         /* Ok, a 64bit DMA mask is applicable. */
1492                         ha->flags.enable_64bit_addressing = 1;
1493                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1494                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1495                         return;
1496                 }
1497         }
1498
1499         dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1500         pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1501 }
1502
1503 static void
1504 qla2x00_enable_intrs(struct qla_hw_data *ha)
1505 {
1506         unsigned long flags = 0;
1507         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1508
1509         spin_lock_irqsave(&ha->hardware_lock, flags);
1510         ha->interrupts_on = 1;
1511         /* enable risc and host interrupts */
1512         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1513         RD_REG_WORD(&reg->ictrl);
1514         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1515
1516 }
1517
1518 static void
1519 qla2x00_disable_intrs(struct qla_hw_data *ha)
1520 {
1521         unsigned long flags = 0;
1522         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1523
1524         spin_lock_irqsave(&ha->hardware_lock, flags);
1525         ha->interrupts_on = 0;
1526         /* disable risc and host interrupts */
1527         WRT_REG_WORD(&reg->ictrl, 0);
1528         RD_REG_WORD(&reg->ictrl);
1529         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1530 }
1531
1532 static void
1533 qla24xx_enable_intrs(struct qla_hw_data *ha)
1534 {
1535         unsigned long flags = 0;
1536         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1537
1538         spin_lock_irqsave(&ha->hardware_lock, flags);
1539         ha->interrupts_on = 1;
1540         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1541         RD_REG_DWORD(&reg->ictrl);
1542         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1543 }
1544
1545 static void
1546 qla24xx_disable_intrs(struct qla_hw_data *ha)
1547 {
1548         unsigned long flags = 0;
1549         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1550
1551         if (IS_NOPOLLING_TYPE(ha))
1552                 return;
1553         spin_lock_irqsave(&ha->hardware_lock, flags);
1554         ha->interrupts_on = 0;
1555         WRT_REG_DWORD(&reg->ictrl, 0);
1556         RD_REG_DWORD(&reg->ictrl);
1557         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1558 }
1559
1560 static struct isp_operations qla2100_isp_ops = {
1561         .pci_config             = qla2100_pci_config,
1562         .reset_chip             = qla2x00_reset_chip,
1563         .chip_diag              = qla2x00_chip_diag,
1564         .config_rings           = qla2x00_config_rings,
1565         .reset_adapter          = qla2x00_reset_adapter,
1566         .nvram_config           = qla2x00_nvram_config,
1567         .update_fw_options      = qla2x00_update_fw_options,
1568         .load_risc              = qla2x00_load_risc,
1569         .pci_info_str           = qla2x00_pci_info_str,
1570         .fw_version_str         = qla2x00_fw_version_str,
1571         .intr_handler           = qla2100_intr_handler,
1572         .enable_intrs           = qla2x00_enable_intrs,
1573         .disable_intrs          = qla2x00_disable_intrs,
1574         .abort_command          = qla2x00_abort_command,
1575         .target_reset           = qla2x00_abort_target,
1576         .lun_reset              = qla2x00_lun_reset,
1577         .fabric_login           = qla2x00_login_fabric,
1578         .fabric_logout          = qla2x00_fabric_logout,
1579         .calc_req_entries       = qla2x00_calc_iocbs_32,
1580         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1581         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1582         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1583         .read_nvram             = qla2x00_read_nvram_data,
1584         .write_nvram            = qla2x00_write_nvram_data,
1585         .fw_dump                = qla2100_fw_dump,
1586         .beacon_on              = NULL,
1587         .beacon_off             = NULL,
1588         .beacon_blink           = NULL,
1589         .read_optrom            = qla2x00_read_optrom_data,
1590         .write_optrom           = qla2x00_write_optrom_data,
1591         .get_flash_version      = qla2x00_get_flash_version,
1592         .start_scsi             = qla2x00_start_scsi,
1593         .abort_isp              = qla2x00_abort_isp,
1594 };
1595
1596 static struct isp_operations qla2300_isp_ops = {
1597         .pci_config             = qla2300_pci_config,
1598         .reset_chip             = qla2x00_reset_chip,
1599         .chip_diag              = qla2x00_chip_diag,
1600         .config_rings           = qla2x00_config_rings,
1601         .reset_adapter          = qla2x00_reset_adapter,
1602         .nvram_config           = qla2x00_nvram_config,
1603         .update_fw_options      = qla2x00_update_fw_options,
1604         .load_risc              = qla2x00_load_risc,
1605         .pci_info_str           = qla2x00_pci_info_str,
1606         .fw_version_str         = qla2x00_fw_version_str,
1607         .intr_handler           = qla2300_intr_handler,
1608         .enable_intrs           = qla2x00_enable_intrs,
1609         .disable_intrs          = qla2x00_disable_intrs,
1610         .abort_command          = qla2x00_abort_command,
1611         .target_reset           = qla2x00_abort_target,
1612         .lun_reset              = qla2x00_lun_reset,
1613         .fabric_login           = qla2x00_login_fabric,
1614         .fabric_logout          = qla2x00_fabric_logout,
1615         .calc_req_entries       = qla2x00_calc_iocbs_32,
1616         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1617         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1618         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1619         .read_nvram             = qla2x00_read_nvram_data,
1620         .write_nvram            = qla2x00_write_nvram_data,
1621         .fw_dump                = qla2300_fw_dump,
1622         .beacon_on              = qla2x00_beacon_on,
1623         .beacon_off             = qla2x00_beacon_off,
1624         .beacon_blink           = qla2x00_beacon_blink,
1625         .read_optrom            = qla2x00_read_optrom_data,
1626         .write_optrom           = qla2x00_write_optrom_data,
1627         .get_flash_version      = qla2x00_get_flash_version,
1628         .start_scsi             = qla2x00_start_scsi,
1629         .abort_isp              = qla2x00_abort_isp,
1630 };
1631
1632 static struct isp_operations qla24xx_isp_ops = {
1633         .pci_config             = qla24xx_pci_config,
1634         .reset_chip             = qla24xx_reset_chip,
1635         .chip_diag              = qla24xx_chip_diag,
1636         .config_rings           = qla24xx_config_rings,
1637         .reset_adapter          = qla24xx_reset_adapter,
1638         .nvram_config           = qla24xx_nvram_config,
1639         .update_fw_options      = qla24xx_update_fw_options,
1640         .load_risc              = qla24xx_load_risc,
1641         .pci_info_str           = qla24xx_pci_info_str,
1642         .fw_version_str         = qla24xx_fw_version_str,
1643         .intr_handler           = qla24xx_intr_handler,
1644         .enable_intrs           = qla24xx_enable_intrs,
1645         .disable_intrs          = qla24xx_disable_intrs,
1646         .abort_command          = qla24xx_abort_command,
1647         .target_reset           = qla24xx_abort_target,
1648         .lun_reset              = qla24xx_lun_reset,
1649         .fabric_login           = qla24xx_login_fabric,
1650         .fabric_logout          = qla24xx_fabric_logout,
1651         .calc_req_entries       = NULL,
1652         .build_iocbs            = NULL,
1653         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1654         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1655         .read_nvram             = qla24xx_read_nvram_data,
1656         .write_nvram            = qla24xx_write_nvram_data,
1657         .fw_dump                = qla24xx_fw_dump,
1658         .beacon_on              = qla24xx_beacon_on,
1659         .beacon_off             = qla24xx_beacon_off,
1660         .beacon_blink           = qla24xx_beacon_blink,
1661         .read_optrom            = qla24xx_read_optrom_data,
1662         .write_optrom           = qla24xx_write_optrom_data,
1663         .get_flash_version      = qla24xx_get_flash_version,
1664         .start_scsi             = qla24xx_start_scsi,
1665         .abort_isp              = qla2x00_abort_isp,
1666 };
1667
1668 static struct isp_operations qla25xx_isp_ops = {
1669         .pci_config             = qla25xx_pci_config,
1670         .reset_chip             = qla24xx_reset_chip,
1671         .chip_diag              = qla24xx_chip_diag,
1672         .config_rings           = qla24xx_config_rings,
1673         .reset_adapter          = qla24xx_reset_adapter,
1674         .nvram_config           = qla24xx_nvram_config,
1675         .update_fw_options      = qla24xx_update_fw_options,
1676         .load_risc              = qla24xx_load_risc,
1677         .pci_info_str           = qla24xx_pci_info_str,
1678         .fw_version_str         = qla24xx_fw_version_str,
1679         .intr_handler           = qla24xx_intr_handler,
1680         .enable_intrs           = qla24xx_enable_intrs,
1681         .disable_intrs          = qla24xx_disable_intrs,
1682         .abort_command          = qla24xx_abort_command,
1683         .target_reset           = qla24xx_abort_target,
1684         .lun_reset              = qla24xx_lun_reset,
1685         .fabric_login           = qla24xx_login_fabric,
1686         .fabric_logout          = qla24xx_fabric_logout,
1687         .calc_req_entries       = NULL,
1688         .build_iocbs            = NULL,
1689         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1690         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1691         .read_nvram             = qla25xx_read_nvram_data,
1692         .write_nvram            = qla25xx_write_nvram_data,
1693         .fw_dump                = qla25xx_fw_dump,
1694         .beacon_on              = qla24xx_beacon_on,
1695         .beacon_off             = qla24xx_beacon_off,
1696         .beacon_blink           = qla24xx_beacon_blink,
1697         .read_optrom            = qla25xx_read_optrom_data,
1698         .write_optrom           = qla24xx_write_optrom_data,
1699         .get_flash_version      = qla24xx_get_flash_version,
1700         .start_scsi             = qla24xx_dif_start_scsi,
1701         .abort_isp              = qla2x00_abort_isp,
1702 };
1703
1704 static struct isp_operations qla81xx_isp_ops = {
1705         .pci_config             = qla25xx_pci_config,
1706         .reset_chip             = qla24xx_reset_chip,
1707         .chip_diag              = qla24xx_chip_diag,
1708         .config_rings           = qla24xx_config_rings,
1709         .reset_adapter          = qla24xx_reset_adapter,
1710         .nvram_config           = qla81xx_nvram_config,
1711         .update_fw_options      = qla81xx_update_fw_options,
1712         .load_risc              = qla81xx_load_risc,
1713         .pci_info_str           = qla24xx_pci_info_str,
1714         .fw_version_str         = qla24xx_fw_version_str,
1715         .intr_handler           = qla24xx_intr_handler,
1716         .enable_intrs           = qla24xx_enable_intrs,
1717         .disable_intrs          = qla24xx_disable_intrs,
1718         .abort_command          = qla24xx_abort_command,
1719         .target_reset           = qla24xx_abort_target,
1720         .lun_reset              = qla24xx_lun_reset,
1721         .fabric_login           = qla24xx_login_fabric,
1722         .fabric_logout          = qla24xx_fabric_logout,
1723         .calc_req_entries       = NULL,
1724         .build_iocbs            = NULL,
1725         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1726         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1727         .read_nvram             = NULL,
1728         .write_nvram            = NULL,
1729         .fw_dump                = qla81xx_fw_dump,
1730         .beacon_on              = qla24xx_beacon_on,
1731         .beacon_off             = qla24xx_beacon_off,
1732         .beacon_blink           = qla24xx_beacon_blink,
1733         .read_optrom            = qla25xx_read_optrom_data,
1734         .write_optrom           = qla24xx_write_optrom_data,
1735         .get_flash_version      = qla24xx_get_flash_version,
1736         .start_scsi             = qla24xx_dif_start_scsi,
1737         .abort_isp              = qla2x00_abort_isp,
1738 };
1739
1740 static struct isp_operations qla82xx_isp_ops = {
1741         .pci_config             = qla82xx_pci_config,
1742         .reset_chip             = qla82xx_reset_chip,
1743         .chip_diag              = qla24xx_chip_diag,
1744         .config_rings           = qla82xx_config_rings,
1745         .reset_adapter          = qla24xx_reset_adapter,
1746         .nvram_config           = qla81xx_nvram_config,
1747         .update_fw_options      = qla24xx_update_fw_options,
1748         .load_risc              = qla82xx_load_risc,
1749         .pci_info_str           = qla82xx_pci_info_str,
1750         .fw_version_str         = qla24xx_fw_version_str,
1751         .intr_handler           = qla82xx_intr_handler,
1752         .enable_intrs           = qla82xx_enable_intrs,
1753         .disable_intrs          = qla82xx_disable_intrs,
1754         .abort_command          = qla24xx_abort_command,
1755         .target_reset           = qla24xx_abort_target,
1756         .lun_reset              = qla24xx_lun_reset,
1757         .fabric_login           = qla24xx_login_fabric,
1758         .fabric_logout          = qla24xx_fabric_logout,
1759         .calc_req_entries       = NULL,
1760         .build_iocbs            = NULL,
1761         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1762         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1763         .read_nvram             = qla24xx_read_nvram_data,
1764         .write_nvram            = qla24xx_write_nvram_data,
1765         .fw_dump                = qla24xx_fw_dump,
1766         .beacon_on              = qla82xx_beacon_on,
1767         .beacon_off             = qla82xx_beacon_off,
1768         .beacon_blink           = NULL,
1769         .read_optrom            = qla82xx_read_optrom_data,
1770         .write_optrom           = qla82xx_write_optrom_data,
1771         .get_flash_version      = qla24xx_get_flash_version,
1772         .start_scsi             = qla82xx_start_scsi,
1773         .abort_isp              = qla82xx_abort_isp,
1774 };
1775
1776 static inline void
1777 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1778 {
1779         ha->device_type = DT_EXTENDED_IDS;
1780         switch (ha->pdev->device) {
1781         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1782                 ha->device_type |= DT_ISP2100;
1783                 ha->device_type &= ~DT_EXTENDED_IDS;
1784                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1785                 break;
1786         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1787                 ha->device_type |= DT_ISP2200;
1788                 ha->device_type &= ~DT_EXTENDED_IDS;
1789                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1790                 break;
1791         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1792                 ha->device_type |= DT_ISP2300;
1793                 ha->device_type |= DT_ZIO_SUPPORTED;
1794                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1795                 break;
1796         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1797                 ha->device_type |= DT_ISP2312;
1798                 ha->device_type |= DT_ZIO_SUPPORTED;
1799                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1800                 break;
1801         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1802                 ha->device_type |= DT_ISP2322;
1803                 ha->device_type |= DT_ZIO_SUPPORTED;
1804                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1805                     ha->pdev->subsystem_device == 0x0170)
1806                         ha->device_type |= DT_OEM_001;
1807                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1808                 break;
1809         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1810                 ha->device_type |= DT_ISP6312;
1811                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1812                 break;
1813         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1814                 ha->device_type |= DT_ISP6322;
1815                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1816                 break;
1817         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1818                 ha->device_type |= DT_ISP2422;
1819                 ha->device_type |= DT_ZIO_SUPPORTED;
1820                 ha->device_type |= DT_FWI2;
1821                 ha->device_type |= DT_IIDMA;
1822                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1823                 break;
1824         case PCI_DEVICE_ID_QLOGIC_ISP2432:
1825                 ha->device_type |= DT_ISP2432;
1826                 ha->device_type |= DT_ZIO_SUPPORTED;
1827                 ha->device_type |= DT_FWI2;
1828                 ha->device_type |= DT_IIDMA;
1829                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1830                 break;
1831         case PCI_DEVICE_ID_QLOGIC_ISP8432:
1832                 ha->device_type |= DT_ISP8432;
1833                 ha->device_type |= DT_ZIO_SUPPORTED;
1834                 ha->device_type |= DT_FWI2;
1835                 ha->device_type |= DT_IIDMA;
1836                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1837                 break;
1838         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1839                 ha->device_type |= DT_ISP5422;
1840                 ha->device_type |= DT_FWI2;
1841                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1842                 break;
1843         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1844                 ha->device_type |= DT_ISP5432;
1845                 ha->device_type |= DT_FWI2;
1846                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1847                 break;
1848         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1849                 ha->device_type |= DT_ISP2532;
1850                 ha->device_type |= DT_ZIO_SUPPORTED;
1851                 ha->device_type |= DT_FWI2;
1852                 ha->device_type |= DT_IIDMA;
1853                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1854                 break;
1855         case PCI_DEVICE_ID_QLOGIC_ISP8001:
1856                 ha->device_type |= DT_ISP8001;
1857                 ha->device_type |= DT_ZIO_SUPPORTED;
1858                 ha->device_type |= DT_FWI2;
1859                 ha->device_type |= DT_IIDMA;
1860                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1861                 break;
1862         case PCI_DEVICE_ID_QLOGIC_ISP8021:
1863                 ha->device_type |= DT_ISP8021;
1864                 ha->device_type |= DT_ZIO_SUPPORTED;
1865                 ha->device_type |= DT_FWI2;
1866                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1867                 /* Initialize 82XX ISP flags */
1868                 qla82xx_init_flags(ha);
1869                 break;
1870         }
1871
1872         if (IS_QLA82XX(ha))
1873                 ha->port_no = !(ha->portnum & 1);
1874         else
1875                 /* Get adapter physical port no from interrupt pin register. */
1876                 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1877
1878         if (ha->port_no & 1)
1879                 ha->flags.port0 = 1;
1880         else
1881                 ha->flags.port0 = 0;
1882         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
1883             "device_type=0x%x port=%d fw_srisc_address=%p.\n",
1884             ha->device_type, ha->flags.port0, ha->fw_srisc_address);
1885 }
1886
1887 static int
1888 qla2x00_iospace_config(struct qla_hw_data *ha)
1889 {
1890         resource_size_t pio;
1891         uint16_t msix;
1892         int cpus;
1893
1894         if (IS_QLA82XX(ha))
1895                 return qla82xx_iospace_config(ha);
1896
1897         if (pci_request_selected_regions(ha->pdev, ha->bars,
1898             QLA2XXX_DRIVER_NAME)) {
1899                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1900                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1901                     pci_name(ha->pdev));
1902                 goto iospace_error_exit;
1903         }
1904         if (!(ha->bars & 1))
1905                 goto skip_pio;
1906
1907         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1908         pio = pci_resource_start(ha->pdev, 0);
1909         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1910                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1911                         ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1912                             "Invalid pci I/O region size (%s).\n",
1913                             pci_name(ha->pdev));
1914                         pio = 0;
1915                 }
1916         } else {
1917                 ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1918                     "Region #0 no a PIO resource (%s).\n",
1919                     pci_name(ha->pdev));
1920                 pio = 0;
1921         }
1922         ha->pio_address = pio;
1923         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1924             "PIO address=%p.\n",
1925             ha->pio_address);
1926
1927 skip_pio:
1928         /* Use MMIO operations for all accesses. */
1929         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1930                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1931                     "Region #1 not an MMIO resource (%s), aborting.\n",
1932                     pci_name(ha->pdev));
1933                 goto iospace_error_exit;
1934         }
1935         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1936                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1937                     "Invalid PCI mem region size (%s), aborting.\n",
1938                     pci_name(ha->pdev));
1939                 goto iospace_error_exit;
1940         }
1941
1942         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1943         if (!ha->iobase) {
1944                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
1945                     "Cannot remap MMIO (%s), aborting.\n",
1946                     pci_name(ha->pdev));
1947                 goto iospace_error_exit;
1948         }
1949
1950         /* Determine queue resources */
1951         ha->max_req_queues = ha->max_rsp_queues = 1;
1952         if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1953                 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1954                 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1955                 goto mqiobase_exit;
1956
1957         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1958                         pci_resource_len(ha->pdev, 3));
1959         if (ha->mqiobase) {
1960                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
1961                     "MQIO Base=%p.\n", ha->mqiobase);
1962                 /* Read MSIX vector size of the board */
1963                 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1964                 ha->msix_count = msix;
1965                 /* Max queues are bounded by available msix vectors */
1966                 /* queue 0 uses two msix vectors */
1967                 if (ql2xmultique_tag) {
1968                         cpus = num_online_cpus();
1969                         ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1970                                 (cpus + 1) : (ha->msix_count - 1);
1971                         ha->max_req_queues = 2;
1972                 } else if (ql2xmaxqueues > 1) {
1973                         ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1974                             QLA_MQ_SIZE : ql2xmaxqueues;
1975                         ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc008,
1976                             "QoS mode set, max no of request queues:%d.\n",
1977                             ha->max_req_queues);
1978                         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0019,
1979                             "QoS mode set, max no of request queues:%d.\n",
1980                             ha->max_req_queues);
1981                 }
1982                 ql_log_pci(ql_log_info, ha->pdev, 0x001a,
1983                     "MSI-X vector count: %d.\n", msix);
1984         } else
1985                 ql_log_pci(ql_log_info, ha->pdev, 0x001b,
1986                     "BAR 3 not enabled.\n");
1987
1988 mqiobase_exit:
1989         ha->msix_count = ha->max_rsp_queues + 1;
1990         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
1991             "MSIX Count:%d.\n", ha->msix_count);
1992         return (0);
1993
1994 iospace_error_exit:
1995         return (-ENOMEM);
1996 }
1997
1998 static void
1999 qla2xxx_scan_start(struct Scsi_Host *shost)
2000 {
2001         scsi_qla_host_t *vha = shost_priv(shost);
2002
2003         if (vha->hw->flags.running_gold_fw)
2004                 return;
2005
2006         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2007         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2008         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2009         set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2010 }
2011
2012 static int
2013 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2014 {
2015         scsi_qla_host_t *vha = shost_priv(shost);
2016
2017         if (!vha->host)
2018                 return 1;
2019         if (time > vha->hw->loop_reset_delay * HZ)
2020                 return 1;
2021
2022         return atomic_read(&vha->loop_state) == LOOP_READY;
2023 }
2024
2025 /*
2026  * PCI driver interface
2027  */
2028 static int __devinit
2029 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2030 {
2031         int     ret = -ENODEV;
2032         struct Scsi_Host *host;
2033         scsi_qla_host_t *base_vha = NULL;
2034         struct qla_hw_data *ha;
2035         char pci_info[30];
2036         char fw_str[30];
2037         struct scsi_host_template *sht;
2038         int bars, max_id, mem_only = 0;
2039         uint16_t req_length = 0, rsp_length = 0;
2040         struct req_que *req = NULL;
2041         struct rsp_que *rsp = NULL;
2042
2043         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2044         sht = &qla2xxx_driver_template;
2045         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2046             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2047             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2048             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2049             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2050             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2051             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2052             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
2053                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
2054                 mem_only = 1;
2055                 ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2056                     "Mem only adapter.\n");
2057         }
2058         ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2059             "Bars=%d.\n", bars);
2060
2061         if (mem_only) {
2062                 if (pci_enable_device_mem(pdev))
2063                         goto probe_out;
2064         } else {
2065                 if (pci_enable_device(pdev))
2066                         goto probe_out;
2067         }
2068
2069         /* This may fail but that's ok */
2070         pci_enable_pcie_error_reporting(pdev);
2071
2072         ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2073         if (!ha) {
2074                 ql_log_pci(ql_log_fatal, pdev, 0x0009,
2075                     "Unable to allocate memory for ha.\n");
2076                 goto probe_out;
2077         }
2078         ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2079             "Memory allocated for ha=%p.\n", ha);
2080         ha->pdev = pdev;
2081
2082         /* Clear our data area */
2083         ha->bars = bars;
2084         ha->mem_only = mem_only;
2085         spin_lock_init(&ha->hardware_lock);
2086         spin_lock_init(&ha->vport_slock);
2087
2088         /* Set ISP-type information. */
2089         qla2x00_set_isp_flags(ha);
2090
2091         /* Set EEH reset type to fundamental if required by hba */
2092         if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
2093                 pdev->needs_freset = 1;
2094         }
2095
2096         /* Configure PCI I/O space */
2097         ret = qla2x00_iospace_config(ha);
2098         if (ret)
2099                 goto probe_hw_failed;
2100
2101         ql_log_pci(ql_log_info, pdev, 0x001d,
2102             "Found an ISP%04X irq %d iobase 0x%p.\n",
2103             pdev->device, pdev->irq, ha->iobase);
2104         ha->prev_topology = 0;
2105         ha->init_cb_size = sizeof(init_cb_t);
2106         ha->link_data_rate = PORT_SPEED_UNKNOWN;
2107         ha->optrom_size = OPTROM_SIZE_2300;
2108
2109         /* Assign ISP specific operations. */
2110         max_id = MAX_TARGETS_2200;
2111         if (IS_QLA2100(ha)) {
2112                 max_id = MAX_TARGETS_2100;
2113                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2114                 req_length = REQUEST_ENTRY_CNT_2100;
2115                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2116                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2117                 ha->gid_list_info_size = 4;
2118                 ha->flash_conf_off = ~0;
2119                 ha->flash_data_off = ~0;
2120                 ha->nvram_conf_off = ~0;
2121                 ha->nvram_data_off = ~0;
2122                 ha->isp_ops = &qla2100_isp_ops;
2123         } else if (IS_QLA2200(ha)) {
2124                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2125                 req_length = REQUEST_ENTRY_CNT_2200;
2126                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2127                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2128                 ha->gid_list_info_size = 4;
2129                 ha->flash_conf_off = ~0;
2130                 ha->flash_data_off = ~0;
2131                 ha->nvram_conf_off = ~0;
2132                 ha->nvram_data_off = ~0;
2133                 ha->isp_ops = &qla2100_isp_ops;
2134         } else if (IS_QLA23XX(ha)) {
2135                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2136                 req_length = REQUEST_ENTRY_CNT_2200;
2137                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2138                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2139                 ha->gid_list_info_size = 6;
2140                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2141                         ha->optrom_size = OPTROM_SIZE_2322;
2142                 ha->flash_conf_off = ~0;
2143                 ha->flash_data_off = ~0;
2144                 ha->nvram_conf_off = ~0;
2145                 ha->nvram_data_off = ~0;
2146                 ha->isp_ops = &qla2300_isp_ops;
2147         } else if (IS_QLA24XX_TYPE(ha)) {
2148                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2149                 req_length = REQUEST_ENTRY_CNT_24XX;
2150                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2151                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2152                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2153                 ha->gid_list_info_size = 8;
2154                 ha->optrom_size = OPTROM_SIZE_24XX;
2155                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2156                 ha->isp_ops = &qla24xx_isp_ops;
2157                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2158                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2159                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2160                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2161         } else if (IS_QLA25XX(ha)) {
2162                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2163                 req_length = REQUEST_ENTRY_CNT_24XX;
2164                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2165                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2166                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2167                 ha->gid_list_info_size = 8;
2168                 ha->optrom_size = OPTROM_SIZE_25XX;
2169                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2170                 ha->isp_ops = &qla25xx_isp_ops;
2171                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2172                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2173                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2174                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2175         } else if (IS_QLA81XX(ha)) {
2176                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2177                 req_length = REQUEST_ENTRY_CNT_24XX;
2178                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2179                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2180                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2181                 ha->gid_list_info_size = 8;
2182                 ha->optrom_size = OPTROM_SIZE_81XX;
2183                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2184                 ha->isp_ops = &qla81xx_isp_ops;
2185                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2186                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2187                 ha->nvram_conf_off = ~0;
2188                 ha->nvram_data_off = ~0;
2189         } else if (IS_QLA82XX(ha)) {
2190                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2191                 req_length = REQUEST_ENTRY_CNT_82XX;
2192                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2193                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2194                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2195                 ha->gid_list_info_size = 8;
2196                 ha->optrom_size = OPTROM_SIZE_82XX;
2197                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2198                 ha->isp_ops = &qla82xx_isp_ops;
2199                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2200                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2201                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2202                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2203         }
2204         ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
2205             "mbx_count=%d, req_length=%d, "
2206             "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2207             "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, .\n",
2208             ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
2209             ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2210             ha->nvram_npiv_size);
2211         ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
2212             "isp_ops=%p, flash_conf_off=%d, "
2213             "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
2214             ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
2215             ha->nvram_conf_off, ha->nvram_data_off);
2216         mutex_init(&ha->vport_lock);
2217         init_completion(&ha->mbx_cmd_comp);
2218         complete(&ha->mbx_cmd_comp);
2219         init_completion(&ha->mbx_intr_comp);
2220         init_completion(&ha->dcbx_comp);
2221
2222         set_bit(0, (unsigned long *) ha->vp_idx_map);
2223
2224         qla2x00_config_dma_addressing(ha);
2225         ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
2226             "64 Bit addressing is %s.\n",
2227             ha->flags.enable_64bit_addressing ? "enable" :
2228             "disable");
2229         ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2230         if (!ret) {
2231                 ql_log_pci(ql_log_fatal, pdev, 0x0031,
2232                     "Failed to allocate memory for adapter, aborting.\n");
2233
2234                 goto probe_hw_failed;
2235         }
2236
2237         req->max_q_depth = MAX_Q_DEPTH;
2238         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2239                 req->max_q_depth = ql2xmaxqdepth;
2240
2241
2242         base_vha = qla2x00_create_host(sht, ha);
2243         if (!base_vha) {
2244                 ret = -ENOMEM;
2245                 qla2x00_mem_free(ha);
2246                 qla2x00_free_req_que(ha, req);
2247                 qla2x00_free_rsp_que(ha, rsp);
2248                 goto probe_hw_failed;
2249         }
2250
2251         pci_set_drvdata(pdev, base_vha);
2252
2253         host = base_vha->host;
2254         base_vha->req = req;
2255         host->can_queue = req->length + 128;
2256         if (IS_QLA2XXX_MIDTYPE(ha))
2257                 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2258         else
2259                 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2260                                                 base_vha->vp_idx;
2261
2262         /* Set the SG table size based on ISP type */
2263         if (!IS_FWI2_CAPABLE(ha)) {
2264                 if (IS_QLA2100(ha))
2265                         host->sg_tablesize = 32;
2266         } else {
2267                 if (!IS_QLA82XX(ha))
2268                         host->sg_tablesize = QLA_SG_ALL;
2269         }
2270         ql_dbg(ql_dbg_init, base_vha, 0x0032,
2271             "can_queue=%d, req=%p, "
2272             "mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
2273             host->can_queue, base_vha->req,
2274             base_vha->mgmt_svr_loop_id, host->sg_tablesize);
2275         host->max_id = max_id;
2276         host->this_id = 255;
2277         host->cmd_per_lun = 3;
2278         host->unique_id = host->host_no;
2279         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
2280                 host->max_cmd_len = 32;
2281         else
2282                 host->max_cmd_len = MAX_CMDSZ;
2283         host->max_channel = MAX_BUSES - 1;
2284         host->max_lun = ql2xmaxlun;
2285         host->transportt = qla2xxx_transport_template;
2286         sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2287
2288         ql_dbg(ql_dbg_init, base_vha, 0x0033,
2289             "max_id=%d this_id=%d "
2290             "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
2291             "max_lun=%d transportt=%p, vendor_id=%d.\n", host->max_id,
2292             host->this_id, host->cmd_per_lun, host->unique_id,
2293             host->max_cmd_len, host->max_channel, host->max_lun,
2294             host->transportt, sht->vendor_id);
2295
2296         /* Set up the irqs */
2297         ret = qla2x00_request_irqs(ha, rsp);
2298         if (ret)
2299                 goto probe_init_failed;
2300
2301         pci_save_state(pdev);
2302
2303         /* Alloc arrays of request and response ring ptrs */
2304 que_init:
2305         if (!qla2x00_alloc_queues(ha)) {
2306                 ql_log(ql_log_fatal, base_vha, 0x003d,
2307                     "Failed to allocate memory for queue pointers.. aborting.\n");
2308                 goto probe_init_failed;
2309         }
2310
2311         ha->rsp_q_map[0] = rsp;
2312         ha->req_q_map[0] = req;
2313         rsp->req = req;
2314         req->rsp = rsp;
2315         set_bit(0, ha->req_qid_map);
2316         set_bit(0, ha->rsp_qid_map);
2317         /* FWI2-capable only. */
2318         req->req_q_in = &ha->iobase->isp24.req_q_in;
2319         req->req_q_out = &ha->iobase->isp24.req_q_out;
2320         rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2321         rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2322         if (ha->mqenable) {
2323                 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2324                 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2325                 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2326                 rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
2327         }
2328
2329         if (IS_QLA82XX(ha)) {
2330                 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2331                 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2332                 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2333         }
2334
2335         ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
2336             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2337             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2338         ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
2339             "req->req_q_in=%p req->req_q_out=%p "
2340             "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2341             req->req_q_in, req->req_q_out,
2342             rsp->rsp_q_in, rsp->rsp_q_out);
2343         ql_dbg(ql_dbg_init, base_vha, 0x003e,
2344             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2345             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2346         ql_dbg(ql_dbg_init, base_vha, 0x003f,
2347             "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2348             req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
2349
2350         if (qla2x00_initialize_adapter(base_vha)) {
2351                 ql_log(ql_log_fatal, base_vha, 0x00d6,
2352                     "Failed to initialize adapter - Adapter flags %x.\n",
2353                     base_vha->device_flags);
2354
2355                 if (IS_QLA82XX(ha)) {
2356                         qla82xx_idc_lock(ha);
2357                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2358                                 QLA82XX_DEV_FAILED);
2359                         qla82xx_idc_unlock(ha);
2360                         ql_log(ql_log_fatal, base_vha, 0x00d7,
2361                             "HW State: FAILED.\n");
2362                 }
2363
2364                 ret = -ENODEV;
2365                 goto probe_failed;
2366         }
2367
2368         if (ha->mqenable) {
2369                 if (qla25xx_setup_mode(base_vha)) {
2370                         ql_log(ql_log_warn, base_vha, 0x00ec,
2371                             "Failed to create queues, falling back to single queue mode.\n");
2372                         goto que_init;
2373                 }
2374         }
2375
2376         if (ha->flags.running_gold_fw)
2377                 goto skip_dpc;
2378
2379         /*
2380          * Startup the kernel thread for this host adapter
2381          */
2382         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2383             "%s_dpc", base_vha->host_str);
2384         if (IS_ERR(ha->dpc_thread)) {
2385                 ql_log(ql_log_fatal, base_vha, 0x00ed,
2386                     "Failed to start DPC thread.\n");
2387                 ret = PTR_ERR(ha->dpc_thread);
2388                 goto probe_failed;
2389         }
2390         ql_dbg(ql_dbg_init, base_vha, 0x00ee,
2391             "DPC thread started successfully.\n");
2392
2393 skip_dpc:
2394         list_add_tail(&base_vha->list, &ha->vp_list);
2395         base_vha->host->irq = ha->pdev->irq;
2396
2397         /* Initialized the timer */
2398         qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2399         ql_dbg(ql_dbg_init, base_vha, 0x00ef,
2400             "Started qla2x00_timer with "
2401             "interval=%d.\n", WATCH_INTERVAL);
2402         ql_dbg(ql_dbg_init, base_vha, 0x00f0,
2403             "Detected hba at address=%p.\n",
2404             ha);
2405
2406         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2407                 if (ha->fw_attributes & BIT_4) {
2408                         int prot = 0;
2409                         base_vha->flags.difdix_supported = 1;
2410                         ql_dbg(ql_dbg_init, base_vha, 0x00f1,
2411                             "Registering for DIF/DIX type 1 and 3 protection.\n");
2412                         if (ql2xenabledif == 1)
2413                                 prot = SHOST_DIX_TYPE0_PROTECTION;
2414                         scsi_host_set_prot(host,
2415                             prot | SHOST_DIF_TYPE1_PROTECTION
2416                             | SHOST_DIF_TYPE2_PROTECTION
2417                             | SHOST_DIF_TYPE3_PROTECTION
2418                             | SHOST_DIX_TYPE1_PROTECTION
2419                             | SHOST_DIX_TYPE2_PROTECTION
2420                             | SHOST_DIX_TYPE3_PROTECTION);
2421                         scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2422                 } else
2423                         base_vha->flags.difdix_supported = 0;
2424         }
2425
2426         ha->isp_ops->enable_intrs(ha);
2427
2428         ret = scsi_add_host(host, &pdev->dev);
2429         if (ret)
2430                 goto probe_failed;
2431
2432         base_vha->flags.init_done = 1;
2433         base_vha->flags.online = 1;
2434
2435         ql_dbg(ql_dbg_init, base_vha, 0x00f2,
2436             "Init done and hba is online.\n");
2437
2438         scsi_scan_host(host);
2439
2440         qla2x00_alloc_sysfs_attr(base_vha);
2441
2442         qla2x00_init_host_attr(base_vha);
2443
2444         qla2x00_dfs_setup(base_vha);
2445
2446         ql_log(ql_log_info, base_vha, 0x00fa,
2447             "QLogic Fibre Channed HBA Driver: %s.\n",
2448             qla2x00_version_str);
2449         ql_log(ql_log_info, base_vha, 0x00fb,
2450             "QLogic %s - %s.\n",
2451             ha->model_number, ha->model_desc ? ha->model_desc : "");
2452         ql_log(ql_log_info, base_vha, 0x00fc,
2453             "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
2454             pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
2455             pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
2456             base_vha->host_no,
2457             ha->isp_ops->fw_version_str(base_vha, fw_str));
2458
2459         return 0;
2460
2461 probe_init_failed:
2462         qla2x00_free_req_que(ha, req);
2463         qla2x00_free_rsp_que(ha, rsp);
2464         ha->max_req_queues = ha->max_rsp_queues = 0;
2465
2466 probe_failed:
2467         if (base_vha->timer_active)
2468                 qla2x00_stop_timer(base_vha);
2469         base_vha->flags.online = 0;
2470         if (ha->dpc_thread) {
2471                 struct task_struct *t = ha->dpc_thread;
2472
2473                 ha->dpc_thread = NULL;
2474                 kthread_stop(t);
2475         }
2476
2477         qla2x00_free_device(base_vha);
2478
2479         scsi_host_put(base_vha->host);
2480
2481 probe_hw_failed:
2482         if (IS_QLA82XX(ha)) {
2483                 qla82xx_idc_lock(ha);
2484                 qla82xx_clear_drv_active(ha);
2485                 qla82xx_idc_unlock(ha);
2486                 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2487                 if (!ql2xdbwr)
2488                         iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2489         } else {
2490                 if (ha->iobase)
2491                         iounmap(ha->iobase);
2492         }
2493         pci_release_selected_regions(ha->pdev, ha->bars);
2494         kfree(ha);
2495         ha = NULL;
2496
2497 probe_out:
2498         pci_disable_device(pdev);
2499         return ret;
2500 }
2501
2502 static void
2503 qla2x00_shutdown(struct pci_dev *pdev)
2504 {
2505         scsi_qla_host_t *vha;
2506         struct qla_hw_data  *ha;
2507
2508         vha = pci_get_drvdata(pdev);
2509         ha = vha->hw;
2510
2511         /* Turn-off FCE trace */
2512         if (ha->flags.fce_enabled) {
2513                 qla2x00_disable_fce_trace(vha, NULL, NULL);
2514                 ha->flags.fce_enabled = 0;
2515         }
2516
2517         /* Turn-off EFT trace */
2518         if (ha->eft)
2519                 qla2x00_disable_eft_trace(vha);
2520
2521         /* Stop currently executing firmware. */
2522         qla2x00_try_to_stop_firmware(vha);
2523
2524         /* Turn adapter off line */
2525         vha->flags.online = 0;
2526
2527         /* turn-off interrupts on the card */
2528         if (ha->interrupts_on) {
2529                 vha->flags.init_done = 0;
2530                 ha->isp_ops->disable_intrs(ha);
2531         }
2532
2533         qla2x00_free_irqs(vha);
2534
2535         qla2x00_free_fw_dump(ha);
2536 }
2537
2538 static void
2539 qla2x00_remove_one(struct pci_dev *pdev)
2540 {
2541         scsi_qla_host_t *base_vha, *vha;
2542         struct qla_hw_data  *ha;
2543         unsigned long flags;
2544
2545         base_vha = pci_get_drvdata(pdev);
2546         ha = base_vha->hw;
2547
2548         mutex_lock(&ha->vport_lock);
2549         while (ha->cur_vport_count) {
2550                 struct Scsi_Host *scsi_host;
2551
2552                 spin_lock_irqsave(&ha->vport_slock, flags);
2553
2554                 BUG_ON(base_vha->list.next == &ha->vp_list);
2555                 /* This assumes first entry in ha->vp_list is always base vha */
2556                 vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
2557                 scsi_host = scsi_host_get(vha->host);
2558
2559                 spin_unlock_irqrestore(&ha->vport_slock, flags);
2560                 mutex_unlock(&ha->vport_lock);
2561
2562                 fc_vport_terminate(vha->fc_vport);
2563                 scsi_host_put(vha->host);
2564
2565                 mutex_lock(&ha->vport_lock);
2566         }
2567         mutex_unlock(&ha->vport_lock);
2568
2569         set_bit(UNLOADING, &base_vha->dpc_flags);
2570
2571         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2572
2573         qla2x00_dfs_remove(base_vha);
2574
2575         qla84xx_put_chip(base_vha);
2576
2577         /* Disable timer */
2578         if (base_vha->timer_active)
2579                 qla2x00_stop_timer(base_vha);
2580
2581         base_vha->flags.online = 0;
2582
2583         /* Flush the work queue and remove it */
2584         if (ha->wq) {
2585                 flush_workqueue(ha->wq);
2586                 destroy_workqueue(ha->wq);
2587                 ha->wq = NULL;
2588         }
2589
2590         /* Kill the kernel thread for this host */
2591         if (ha->dpc_thread) {
2592                 struct task_struct *t = ha->dpc_thread;
2593
2594                 /*
2595                  * qla2xxx_wake_dpc checks for ->dpc_thread
2596                  * so we need to zero it out.
2597                  */
2598                 ha->dpc_thread = NULL;
2599                 kthread_stop(t);
2600         }
2601
2602         qla2x00_free_sysfs_attr(base_vha);
2603
2604         fc_remove_host(base_vha->host);
2605
2606         scsi_remove_host(base_vha->host);
2607
2608         qla2x00_free_device(base_vha);
2609
2610         scsi_host_put(base_vha->host);
2611
2612         if (IS_QLA82XX(ha)) {
2613                 qla82xx_idc_lock(ha);
2614                 qla82xx_clear_drv_active(ha);
2615                 qla82xx_idc_unlock(ha);
2616
2617                 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2618                 if (!ql2xdbwr)
2619                         iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2620         } else {
2621                 if (ha->iobase)
2622                         iounmap(ha->iobase);
2623
2624                 if (ha->mqiobase)
2625                         iounmap(ha->mqiobase);
2626         }
2627
2628         pci_release_selected_regions(ha->pdev, ha->bars);
2629         kfree(ha);
2630         ha = NULL;
2631
2632         pci_disable_pcie_error_reporting(pdev);
2633
2634         pci_disable_device(pdev);
2635         pci_set_drvdata(pdev, NULL);
2636 }
2637
2638 static void
2639 qla2x00_free_device(scsi_qla_host_t *vha)
2640 {
2641         struct qla_hw_data *ha = vha->hw;
2642
2643         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2644
2645         /* Disable timer */
2646         if (vha->timer_active)
2647                 qla2x00_stop_timer(vha);
2648
2649         /* Kill the kernel thread for this host */
2650         if (ha->dpc_thread) {
2651                 struct task_struct *t = ha->dpc_thread;
2652
2653                 /*
2654                  * qla2xxx_wake_dpc checks for ->dpc_thread
2655                  * so we need to zero it out.
2656                  */
2657                 ha->dpc_thread = NULL;
2658                 kthread_stop(t);
2659         }
2660
2661         qla25xx_delete_queues(vha);
2662
2663         if (ha->flags.fce_enabled)
2664                 qla2x00_disable_fce_trace(vha, NULL, NULL);
2665
2666         if (ha->eft)
2667                 qla2x00_disable_eft_trace(vha);
2668
2669         /* Stop currently executing firmware. */
2670         qla2x00_try_to_stop_firmware(vha);
2671
2672         vha->flags.online = 0;
2673
2674         /* turn-off interrupts on the card */
2675         if (ha->interrupts_on) {
2676                 vha->flags.init_done = 0;
2677                 ha->isp_ops->disable_intrs(ha);
2678         }
2679
2680         qla2x00_free_irqs(vha);
2681
2682         qla2x00_free_fcports(vha);
2683
2684         qla2x00_mem_free(ha);
2685
2686         qla82xx_md_free(vha);
2687
2688         qla2x00_free_queues(ha);
2689 }
2690
2691 void qla2x00_free_fcports(struct scsi_qla_host *vha)
2692 {
2693         fc_port_t *fcport, *tfcport;
2694
2695         list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
2696                 list_del(&fcport->list);
2697                 kfree(fcport);
2698                 fcport = NULL;
2699         }
2700 }
2701
2702 static inline void
2703 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2704     int defer)
2705 {
2706         struct fc_rport *rport;
2707         scsi_qla_host_t *base_vha;
2708         unsigned long flags;
2709
2710         if (!fcport->rport)
2711                 return;
2712
2713         rport = fcport->rport;
2714         if (defer) {
2715                 base_vha = pci_get_drvdata(vha->hw->pdev);
2716                 spin_lock_irqsave(vha->host->host_lock, flags);
2717                 fcport->drport = rport;
2718                 spin_unlock_irqrestore(vha->host->host_lock, flags);
2719                 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2720                 qla2xxx_wake_dpc(base_vha);
2721         } else
2722                 fc_remote_port_delete(rport);
2723 }
2724
2725 /*
2726  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2727  *
2728  * Input: ha = adapter block pointer.  fcport = port structure pointer.
2729  *
2730  * Return: None.
2731  *
2732  * Context:
2733  */
2734 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2735     int do_login, int defer)
2736 {
2737         if (atomic_read(&fcport->state) == FCS_ONLINE &&
2738             vha->vp_idx == fcport->vp_idx) {
2739                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2740                 qla2x00_schedule_rport_del(vha, fcport, defer);
2741         }
2742         /*
2743          * We may need to retry the login, so don't change the state of the
2744          * port but do the retries.
2745          */
2746         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2747                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2748
2749         if (!do_login)
2750                 return;
2751
2752         if (fcport->login_retry == 0) {
2753                 fcport->login_retry = vha->hw->login_retry_count;
2754                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2755
2756                 ql_dbg(ql_dbg_disc, vha, 0x2067,
2757                     "Port login retry "
2758                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
2759                     "id = 0x%04x retry cnt=%d.\n",
2760                     fcport->port_name[0], fcport->port_name[1],
2761                     fcport->port_name[2], fcport->port_name[3],
2762                     fcport->port_name[4], fcport->port_name[5],
2763                     fcport->port_name[6], fcport->port_name[7],
2764                     fcport->loop_id, fcport->login_retry);
2765         }
2766 }
2767
2768 /*
2769  * qla2x00_mark_all_devices_lost
2770  *      Updates fcport state when device goes offline.
2771  *
2772  * Input:
2773  *      ha = adapter block pointer.
2774  *      fcport = port structure pointer.
2775  *
2776  * Return:
2777  *      None.
2778  *
2779  * Context:
2780  */
2781 void
2782 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2783 {
2784         fc_port_t *fcport;
2785
2786         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2787                 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2788                         continue;
2789
2790                 /*
2791                  * No point in marking the device as lost, if the device is
2792                  * already DEAD.
2793                  */
2794                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2795                         continue;
2796                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2797                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2798                         if (defer)
2799                                 qla2x00_schedule_rport_del(vha, fcport, defer);
2800                         else if (vha->vp_idx == fcport->vp_idx)
2801                                 qla2x00_schedule_rport_del(vha, fcport, defer);
2802                 }
2803         }
2804 }
2805
2806 /*
2807 * qla2x00_mem_alloc
2808 *      Allocates adapter memory.
2809 *
2810 * Returns:
2811 *      0  = success.
2812 *      !0  = failure.
2813 */
2814 static int
2815 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2816         struct req_que **req, struct rsp_que **rsp)
2817 {
2818         char    name[16];
2819
2820         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2821                 &ha->init_cb_dma, GFP_KERNEL);
2822         if (!ha->init_cb)
2823                 goto fail;
2824
2825         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2826                 &ha->gid_list_dma, GFP_KERNEL);
2827         if (!ha->gid_list)
2828                 goto fail_free_init_cb;
2829
2830         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2831         if (!ha->srb_mempool)
2832                 goto fail_free_gid_list;
2833
2834         if (IS_QLA82XX(ha)) {
2835                 /* Allocate cache for CT6 Ctx. */
2836                 if (!ctx_cachep) {
2837                         ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2838                                 sizeof(struct ct6_dsd), 0,
2839                                 SLAB_HWCACHE_ALIGN, NULL);
2840                         if (!ctx_cachep)
2841                                 goto fail_free_gid_list;
2842                 }
2843                 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2844                         ctx_cachep);
2845                 if (!ha->ctx_mempool)
2846                         goto fail_free_srb_mempool;
2847                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
2848                     "ctx_cachep=%p ctx_mempool=%p.\n",
2849                     ctx_cachep, ha->ctx_mempool);
2850         }
2851
2852         /* Get memory for cached NVRAM */
2853         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2854         if (!ha->nvram)
2855                 goto fail_free_ctx_mempool;
2856
2857         snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2858                 ha->pdev->device);
2859         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2860                 DMA_POOL_SIZE, 8, 0);
2861         if (!ha->s_dma_pool)
2862                 goto fail_free_nvram;
2863
2864         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
2865             "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
2866             ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
2867
2868         if (IS_QLA82XX(ha) || ql2xenabledif) {
2869                 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2870                         DSD_LIST_DMA_POOL_SIZE, 8, 0);
2871                 if (!ha->dl_dma_pool) {
2872                         ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
2873                             "Failed to allocate memory for dl_dma_pool.\n");
2874                         goto fail_s_dma_pool;
2875                 }
2876
2877                 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2878                         FCP_CMND_DMA_POOL_SIZE, 8, 0);
2879                 if (!ha->fcp_cmnd_dma_pool) {
2880                         ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
2881                             "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
2882                         goto fail_dl_dma_pool;
2883                 }
2884                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
2885                     "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
2886                     ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
2887         }
2888
2889         /* Allocate memory for SNS commands */
2890         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2891         /* Get consistent memory allocated for SNS commands */
2892                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2893                 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2894                 if (!ha->sns_cmd)
2895                         goto fail_dma_pool;
2896                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
2897                     "sns_cmd.\n", ha->sns_cmd);
2898         } else {
2899         /* Get consistent memory allocated for MS IOCB */
2900                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2901                         &ha->ms_iocb_dma);
2902                 if (!ha->ms_iocb)
2903                         goto fail_dma_pool;
2904         /* Get consistent memory allocated for CT SNS commands */
2905                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2906                         sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2907                 if (!ha->ct_sns)
2908                         goto fail_free_ms_iocb;
2909                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
2910                     "ms_iocb=%p ct_sns=%p.\n",
2911                     ha->ms_iocb, ha->ct_sns);
2912         }
2913
2914         /* Allocate memory for request ring */
2915         *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2916         if (!*req) {
2917                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
2918                     "Failed to allocate memory for req.\n");
2919                 goto fail_req;
2920         }
2921         (*req)->length = req_len;
2922         (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2923                 ((*req)->length + 1) * sizeof(request_t),
2924                 &(*req)->dma, GFP_KERNEL);
2925         if (!(*req)->ring) {
2926                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
2927                     "Failed to allocate memory for req_ring.\n");
2928                 goto fail_req_ring;
2929         }
2930         /* Allocate memory for response ring */
2931         *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2932         if (!*rsp) {
2933                 ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
2934                     "Failed to allocate memory for rsp.\n");
2935                 goto fail_rsp;
2936         }
2937         (*rsp)->hw = ha;
2938         (*rsp)->length = rsp_len;
2939         (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2940                 ((*rsp)->length + 1) * sizeof(response_t),
2941                 &(*rsp)->dma, GFP_KERNEL);
2942         if (!(*rsp)->ring) {
2943                 ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
2944                     "Failed to allocate memory for rsp_ring.\n");
2945                 goto fail_rsp_ring;
2946         }
2947         (*req)->rsp = *rsp;
2948         (*rsp)->req = *req;
2949         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
2950             "req=%p req->length=%d req->ring=%p rsp=%p "
2951             "rsp->length=%d rsp->ring=%p.\n",
2952             *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
2953             (*rsp)->ring);
2954         /* Allocate memory for NVRAM data for vports */
2955         if (ha->nvram_npiv_size) {
2956                 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2957                     ha->nvram_npiv_size, GFP_KERNEL);
2958                 if (!ha->npiv_info) {
2959                         ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
2960                             "Failed to allocate memory for npiv_info.\n");
2961                         goto fail_npiv_info;
2962                 }
2963         } else
2964                 ha->npiv_info = NULL;
2965
2966         /* Get consistent memory allocated for EX-INIT-CB. */
2967         if (IS_QLA8XXX_TYPE(ha)) {
2968                 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2969                     &ha->ex_init_cb_dma);
2970                 if (!ha->ex_init_cb)
2971                         goto fail_ex_init_cb;
2972                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
2973                     "ex_init_cb=%p.\n", ha->ex_init_cb);
2974         }
2975
2976         INIT_LIST_HEAD(&ha->gbl_dsd_list);
2977
2978         /* Get consistent memory allocated for Async Port-Database. */
2979         if (!IS_FWI2_CAPABLE(ha)) {
2980                 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2981                         &ha->async_pd_dma);
2982                 if (!ha->async_pd)
2983                         goto fail_async_pd;
2984                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
2985                     "async_pd=%p.\n", ha->async_pd);
2986         }
2987
2988         INIT_LIST_HEAD(&ha->vp_list);
2989         return 1;
2990
2991 fail_async_pd:
2992         dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2993 fail_ex_init_cb:
2994         kfree(ha->npiv_info);
2995 fail_npiv_info:
2996         dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2997                 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2998         (*rsp)->ring = NULL;
2999         (*rsp)->dma = 0;
3000 fail_rsp_ring:
3001         kfree(*rsp);
3002 fail_rsp:
3003         dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
3004                 sizeof(request_t), (*req)->ring, (*req)->dma);
3005         (*req)->ring = NULL;
3006         (*req)->dma = 0;
3007 fail_req_ring:
3008         kfree(*req);
3009 fail_req:
3010         dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3011                 ha->ct_sns, ha->ct_sns_dma);
3012         ha->ct_sns = NULL;
3013         ha->ct_sns_dma = 0;
3014 fail_free_ms_iocb:
3015         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3016         ha->ms_iocb = NULL;
3017         ha->ms_iocb_dma = 0;
3018 fail_dma_pool:
3019         if (IS_QLA82XX(ha) || ql2xenabledif) {
3020                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3021                 ha->fcp_cmnd_dma_pool = NULL;
3022         }
3023 fail_dl_dma_pool:
3024         if (IS_QLA82XX(ha) || ql2xenabledif) {
3025                 dma_pool_destroy(ha->dl_dma_pool);
3026                 ha->dl_dma_pool = NULL;
3027         }
3028 fail_s_dma_pool:
3029         dma_pool_destroy(ha->s_dma_pool);
3030         ha->s_dma_pool = NULL;
3031 fail_free_nvram:
3032         kfree(ha->nvram);
3033         ha->nvram = NULL;
3034 fail_free_ctx_mempool:
3035         mempool_destroy(ha->ctx_mempool);
3036         ha->ctx_mempool = NULL;
3037 fail_free_srb_mempool:
3038         mempool_destroy(ha->srb_mempool);
3039         ha->srb_mempool = NULL;
3040 fail_free_gid_list:
3041         dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
3042         ha->gid_list_dma);
3043         ha->gid_list = NULL;
3044         ha->gid_list_dma = 0;
3045 fail_free_init_cb:
3046         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
3047         ha->init_cb_dma);
3048         ha->init_cb = NULL;
3049         ha->init_cb_dma = 0;
3050 fail:
3051         ql_log(ql_log_fatal, NULL, 0x0030,
3052             "Memory allocation failure.\n");
3053         return -ENOMEM;
3054 }
3055
3056 /*
3057 * qla2x00_free_fw_dump
3058 *       Frees fw dump stuff.
3059 *
3060 * Input:
3061 *       ha = adapter block pointer.
3062 */
3063 static void
3064 qla2x00_free_fw_dump(struct qla_hw_data *ha)
3065 {
3066         if (ha->fce)
3067                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
3068                     ha->fce_dma);
3069
3070         if (ha->fw_dump) {
3071                 if (ha->eft)
3072                         dma_free_coherent(&ha->pdev->dev,
3073                             ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
3074                 vfree(ha->fw_dump);
3075         }
3076         ha->fce = NULL;
3077         ha->fce_dma = 0;
3078         ha->eft = NULL;
3079         ha->eft_dma = 0;
3080         ha->fw_dump = NULL;
3081         ha->fw_dumped = 0;
3082         ha->fw_dump_reading = 0;
3083 }
3084
3085 /*
3086 * qla2x00_mem_free
3087 *      Frees all adapter allocated memory.
3088 *
3089 * Input:
3090 *      ha = adapter block pointer.
3091 */
3092 static void
3093 qla2x00_mem_free(struct qla_hw_data *ha)
3094 {
3095         qla2x00_free_fw_dump(ha);
3096
3097         if (ha->srb_mempool)
3098                 mempool_destroy(ha->srb_mempool);
3099
3100         if (ha->dcbx_tlv)
3101                 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
3102                     ha->dcbx_tlv, ha->dcbx_tlv_dma);
3103
3104         if (ha->xgmac_data)
3105                 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
3106                     ha->xgmac_data, ha->xgmac_data_dma);
3107
3108         if (ha->sns_cmd)
3109                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
3110                 ha->sns_cmd, ha->sns_cmd_dma);
3111
3112         if (ha->ct_sns)
3113                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3114                 ha->ct_sns, ha->ct_sns_dma);
3115
3116         if (ha->sfp_data)
3117                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
3118
3119         if (ha->edc_data)
3120                 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
3121
3122         if (ha->ms_iocb)
3123                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3124
3125         if (ha->ex_init_cb)
3126                 dma_pool_free(ha->s_dma_pool,
3127                         ha->ex_init_cb, ha->ex_init_cb_dma);
3128
3129         if (ha->async_pd)
3130                 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
3131
3132         if (ha->s_dma_pool)
3133                 dma_pool_destroy(ha->s_dma_pool);
3134
3135         if (ha->gid_list)
3136                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
3137                 ha->gid_list_dma);
3138
3139         if (IS_QLA82XX(ha)) {
3140                 if (!list_empty(&ha->gbl_dsd_list)) {
3141                         struct dsd_dma *dsd_ptr, *tdsd_ptr;
3142
3143                         /* clean up allocated prev pool */
3144                         list_for_each_entry_safe(dsd_ptr,
3145                                 tdsd_ptr, &ha->gbl_dsd_list, list) {
3146                                 dma_pool_free(ha->dl_dma_pool,
3147                                 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
3148                                 list_del(&dsd_ptr->list);
3149                                 kfree(dsd_ptr);
3150                         }
3151                 }
3152         }
3153
3154         if (ha->dl_dma_pool)
3155                 dma_pool_destroy(ha->dl_dma_pool);
3156
3157         if (ha->fcp_cmnd_dma_pool)
3158                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3159
3160         if (ha->ctx_mempool)
3161                 mempool_destroy(ha->ctx_mempool);
3162
3163         if (ha->init_cb)
3164                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
3165                         ha->init_cb, ha->init_cb_dma);
3166         vfree(ha->optrom_buffer);
3167         kfree(ha->nvram);
3168         kfree(ha->npiv_info);
3169
3170         ha->srb_mempool = NULL;
3171         ha->ctx_mempool = NULL;
3172         ha->sns_cmd = NULL;
3173         ha->sns_cmd_dma = 0;
3174         ha->ct_sns = NULL;
3175         ha->ct_sns_dma = 0;
3176         ha->ms_iocb = NULL;
3177         ha->ms_iocb_dma = 0;
3178         ha->init_cb = NULL;
3179         ha->init_cb_dma = 0;
3180         ha->ex_init_cb = NULL;
3181         ha->ex_init_cb_dma = 0;
3182         ha->async_pd = NULL;
3183         ha->async_pd_dma = 0;
3184
3185         ha->s_dma_pool = NULL;
3186         ha->dl_dma_pool = NULL;
3187         ha->fcp_cmnd_dma_pool = NULL;
3188
3189         ha->gid_list = NULL;
3190         ha->gid_list_dma = 0;
3191 }
3192
3193 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
3194                                                 struct qla_hw_data *ha)
3195 {
3196         struct Scsi_Host *host;
3197         struct scsi_qla_host *vha = NULL;
3198
3199         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
3200         if (host == NULL) {
3201                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
3202                     "Failed to allocate host from the scsi layer, aborting.\n");
3203                 goto fail;
3204         }
3205
3206         /* Clear our data area */
3207         vha = shost_priv(host);
3208         memset(vha, 0, sizeof(scsi_qla_host_t));
3209
3210         vha->host = host;
3211         vha->host_no = host->host_no;
3212         vha->hw = ha;
3213
3214         INIT_LIST_HEAD(&vha->vp_fcports);
3215         INIT_LIST_HEAD(&vha->work_list);
3216         INIT_LIST_HEAD(&vha->list);
3217
3218         spin_lock_init(&vha->work_lock);
3219
3220         sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
3221         ql_dbg(ql_dbg_init, vha, 0x0041,
3222             "Allocated the host=%p hw=%p vha=%p dev_name=%s",
3223             vha->host, vha->hw, vha,
3224             dev_name(&(ha->pdev->dev)));
3225
3226         return vha;
3227
3228 fail:
3229         return vha;
3230 }
3231
3232 static struct qla_work_evt *
3233 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
3234 {
3235         struct qla_work_evt *e;
3236         uint8_t bail;
3237
3238         QLA_VHA_MARK_BUSY(vha, bail);
3239         if (bail)
3240                 return NULL;
3241
3242         e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
3243         if (!e) {
3244                 QLA_VHA_MARK_NOT_BUSY(vha);
3245                 return NULL;
3246         }
3247
3248         INIT_LIST_HEAD(&e->list);
3249         e->type = type;
3250         e->flags = QLA_EVT_FLAG_FREE;
3251         return e;
3252 }
3253
3254 static int
3255 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3256 {
3257         unsigned long flags;
3258
3259         spin_lock_irqsave(&vha->work_lock, flags);
3260         list_add_tail(&e->list, &vha->work_list);
3261         spin_unlock_irqrestore(&vha->work_lock, flags);
3262         qla2xxx_wake_dpc(vha);
3263
3264         return QLA_SUCCESS;
3265 }
3266
3267 int
3268 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3269     u32 data)
3270 {
3271         struct qla_work_evt *e;
3272
3273         e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3274         if (!e)
3275                 return QLA_FUNCTION_FAILED;
3276
3277         e->u.aen.code = code;
3278         e->u.aen.data = data;
3279         return qla2x00_post_work(vha, e);
3280 }
3281
3282 int
3283 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3284 {
3285         struct qla_work_evt *e;
3286
3287         e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3288         if (!e)
3289                 return QLA_FUNCTION_FAILED;
3290
3291         memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3292         return qla2x00_post_work(vha, e);
3293 }
3294
3295 #define qla2x00_post_async_work(name, type)     \
3296 int qla2x00_post_async_##name##_work(           \
3297     struct scsi_qla_host *vha,                  \
3298     fc_port_t *fcport, uint16_t *data)          \
3299 {                                               \
3300         struct qla_work_evt *e;                 \
3301                                                 \
3302         e = qla2x00_alloc_work(vha, type);      \
3303         if (!e)                                 \
3304                 return QLA_FUNCTION_FAILED;     \
3305                                                 \
3306         e->u.logio.fcport = fcport;             \
3307         if (data) {                             \
3308                 e->u.logio.data[0] = data[0];   \
3309                 e->u.logio.data[1] = data[1];   \
3310         }                                       \
3311         return qla2x00_post_work(vha, e);       \
3312 }
3313
3314 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3315 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3316 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3317 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3318 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3319 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3320
3321 int
3322 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3323 {
3324         struct qla_work_evt *e;
3325
3326         e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3327         if (!e)
3328                 return QLA_FUNCTION_FAILED;
3329
3330         e->u.uevent.code = code;
3331         return qla2x00_post_work(vha, e);
3332 }
3333
3334 static void
3335 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3336 {
3337         char event_string[40];
3338         char *envp[] = { event_string, NULL };
3339
3340         switch (code) {
3341         case QLA_UEVENT_CODE_FW_DUMP:
3342                 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3343                     vha->host_no);
3344                 break;
3345         default:
3346                 /* do nothing */
3347                 break;
3348         }
3349         kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3350 }
3351
3352 void
3353 qla2x00_do_work(struct scsi_qla_host *vha)
3354 {
3355         struct qla_work_evt *e, *tmp;
3356         unsigned long flags;
3357         LIST_HEAD(work);
3358
3359         spin_lock_irqsave(&vha->work_lock, flags);
3360         list_splice_init(&vha->work_list, &work);
3361         spin_unlock_irqrestore(&vha->work_lock, flags);
3362
3363         list_for_each_entry_safe(e, tmp, &work, list) {
3364                 list_del_init(&e->list);
3365
3366                 switch (e->type) {
3367                 case QLA_EVT_AEN:
3368                         fc_host_post_event(vha->host, fc_get_event_number(),
3369                             e->u.aen.code, e->u.aen.data);
3370                         break;
3371                 case QLA_EVT_IDC_ACK:
3372                         qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3373                         break;
3374                 case QLA_EVT_ASYNC_LOGIN:
3375                         qla2x00_async_login(vha, e->u.logio.fcport,
3376                             e->u.logio.data);
3377                         break;
3378                 case QLA_EVT_ASYNC_LOGIN_DONE:
3379                         qla2x00_async_login_done(vha, e->u.logio.fcport,
3380                             e->u.logio.data);
3381                         break;
3382                 case QLA_EVT_ASYNC_LOGOUT:
3383                         qla2x00_async_logout(vha, e->u.logio.fcport);
3384                         break;
3385                 case QLA_EVT_ASYNC_LOGOUT_DONE:
3386                         qla2x00_async_logout_done(vha, e->u.logio.fcport,
3387                             e->u.logio.data);
3388                         break;
3389                 case QLA_EVT_ASYNC_ADISC:
3390                         qla2x00_async_adisc(vha, e->u.logio.fcport,
3391                             e->u.logio.data);
3392                         break;
3393                 case QLA_EVT_ASYNC_ADISC_DONE:
3394                         qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3395                             e->u.logio.data);
3396                         break;
3397                 case QLA_EVT_UEVENT:
3398                         qla2x00_uevent_emit(vha, e->u.uevent.code);
3399                         break;
3400                 }
3401                 if (e->flags & QLA_EVT_FLAG_FREE)
3402                         kfree(e);
3403
3404                 /* For each work completed decrement vha ref count */
3405                 QLA_VHA_MARK_NOT_BUSY(vha);
3406         }
3407 }
3408
3409 /* Relogins all the fcports of a vport
3410  * Context: dpc thread
3411  */
3412 void qla2x00_relogin(struct scsi_qla_host *vha)
3413 {
3414         fc_port_t       *fcport;
3415         int status;
3416         uint16_t        next_loopid = 0;
3417         struct qla_hw_data *ha = vha->hw;
3418         uint16_t data[2];
3419
3420         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3421         /*
3422          * If the port is not ONLINE then try to login
3423          * to it if we haven't run out of retries.
3424          */
3425                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3426                     fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3427                         fcport->login_retry--;
3428                         if (fcport->flags & FCF_FABRIC_DEVICE) {
3429                                 if (fcport->flags & FCF_FCP2_DEVICE)
3430                                         ha->isp_ops->fabric_logout(vha,
3431                                                         fcport->loop_id,
3432                                                         fcport->d_id.b.domain,
3433                                                         fcport->d_id.b.area,
3434                                                         fcport->d_id.b.al_pa);
3435
3436                                 if (fcport->loop_id == FC_NO_LOOP_ID) {
3437                                         fcport->loop_id = next_loopid =
3438                                             ha->min_external_loopid;
3439                                         status = qla2x00_find_new_loop_id(
3440                                             vha, fcport);
3441                                         if (status != QLA_SUCCESS) {
3442                                                 /* Ran out of IDs to use */
3443                                                 break;
3444                                         }
3445                                 }
3446
3447                                 if (IS_ALOGIO_CAPABLE(ha)) {
3448                                         fcport->flags |= FCF_ASYNC_SENT;
3449                                         data[0] = 0;
3450                                         data[1] = QLA_LOGIO_LOGIN_RETRIED;
3451                                         status = qla2x00_post_async_login_work(
3452                                             vha, fcport, data);
3453                                         if (status == QLA_SUCCESS)
3454                                                 continue;
3455                                         /* Attempt a retry. */
3456                                         status = 1;
3457                                 } else
3458                                         status = qla2x00_fabric_login(vha,
3459                                             fcport, &next_loopid);
3460                         } else
3461                                 status = qla2x00_local_device_login(vha,
3462                                                                 fcport);
3463
3464                         if (status == QLA_SUCCESS) {
3465                                 fcport->old_loop_id = fcport->loop_id;
3466
3467                                 ql_dbg(ql_dbg_disc, vha, 0x2003,
3468                                     "Port login OK: logged in ID 0x%x.\n",
3469                                     fcport->loop_id);
3470
3471                                 qla2x00_update_fcport(vha, fcport);
3472
3473                         } else if (status == 1) {
3474                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3475                                 /* retry the login again */
3476                                 ql_dbg(ql_dbg_disc, vha, 0x2007,
3477                                     "Retrying %d login again loop_id 0x%x.\n",
3478                                     fcport->login_retry, fcport->loop_id);
3479                         } else {
3480                                 fcport->login_retry = 0;
3481                         }
3482
3483                         if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3484                                 fcport->loop_id = FC_NO_LOOP_ID;
3485                 }
3486                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3487                         break;
3488         }
3489 }
3490
3491 /**************************************************************************
3492 * qla2x00_do_dpc
3493 *   This kernel thread is a task that is schedule by the interrupt handler
3494 *   to perform the background processing for interrupts.
3495 *
3496 * Notes:
3497 * This task always run in the context of a kernel thread.  It
3498 * is kick-off by the driver's detect code and starts up
3499 * up one per adapter. It immediately goes to sleep and waits for
3500 * some fibre event.  When either the interrupt handler or
3501 * the timer routine detects a event it will one of the task
3502 * bits then wake us up.
3503 **************************************************************************/
3504 static int
3505 qla2x00_do_dpc(void *data)
3506 {
3507         int             rval;
3508         scsi_qla_host_t *base_vha;
3509         struct qla_hw_data *ha;
3510
3511         ha = (struct qla_hw_data *)data;
3512         base_vha = pci_get_drvdata(ha->pdev);
3513
3514         set_user_nice(current, -20);
3515
3516         set_current_state(TASK_INTERRUPTIBLE);
3517         while (!kthread_should_stop()) {
3518                 ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
3519                     "DPC handler sleeping.\n");
3520
3521                 schedule();
3522                 __set_current_state(TASK_RUNNING);
3523
3524                 ql_dbg(ql_dbg_dpc, base_vha, 0x4001,
3525                     "DPC handler waking up.\n");
3526                 ql_dbg(ql_dbg_dpc, base_vha, 0x4002,
3527                     "dpc_flags=0x%lx.\n", base_vha->dpc_flags);
3528
3529                 /* Initialization not yet finished. Don't do anything yet. */
3530                 if (!base_vha->flags.init_done)
3531                         continue;
3532
3533                 if (ha->flags.eeh_busy) {
3534                         ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
3535                             "eeh_busy=%d.\n", ha->flags.eeh_busy);
3536                         continue;
3537                 }
3538
3539                 ha->dpc_active = 1;
3540
3541                 if (ha->flags.mbox_busy) {
3542                         ha->dpc_active = 0;
3543                         continue;
3544                 }
3545
3546                 qla2x00_do_work(base_vha);
3547
3548                 if (IS_QLA82XX(ha)) {
3549                         if (test_and_clear_bit(ISP_UNRECOVERABLE,
3550                                 &base_vha->dpc_flags)) {
3551                                 qla82xx_idc_lock(ha);
3552                                 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3553                                         QLA82XX_DEV_FAILED);
3554                                 qla82xx_idc_unlock(ha);
3555                                 ql_log(ql_log_info, base_vha, 0x4004,
3556                                     "HW State: FAILED.\n");
3557                                 qla82xx_device_state_handler(base_vha);
3558                                 continue;
3559                         }
3560
3561                         if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3562                                 &base_vha->dpc_flags)) {
3563
3564                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
3565                                     "FCoE context reset scheduled.\n");
3566                                 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3567                                         &base_vha->dpc_flags))) {
3568                                         if (qla82xx_fcoe_ctx_reset(base_vha)) {
3569                                                 /* FCoE-ctx reset failed.
3570                                                  * Escalate to chip-reset
3571                                                  */
3572                                                 set_bit(ISP_ABORT_NEEDED,
3573                                                         &base_vha->dpc_flags);
3574                                         }
3575                                         clear_bit(ABORT_ISP_ACTIVE,
3576                                                 &base_vha->dpc_flags);
3577                                 }
3578
3579                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
3580                                     "FCoE context reset end.\n");
3581                         }
3582                 }
3583
3584                 if (test_and_clear_bit(ISP_ABORT_NEEDED,
3585                                                 &base_vha->dpc_flags)) {
3586
3587                         ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
3588                             "ISP abort scheduled.\n");
3589                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3590                             &base_vha->dpc_flags))) {
3591
3592                                 if (ha->isp_ops->abort_isp(base_vha)) {
3593                                         /* failed. retry later */
3594                                         set_bit(ISP_ABORT_NEEDED,
3595                                             &base_vha->dpc_flags);
3596                                 }
3597                                 clear_bit(ABORT_ISP_ACTIVE,
3598                                                 &base_vha->dpc_flags);
3599                         }
3600
3601                         ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
3602                             "ISP abort end.\n");
3603                 }
3604
3605                 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3606                         qla2x00_update_fcports(base_vha);
3607                         clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3608                 }
3609
3610                 if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
3611                         ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
3612                             "Quiescence mode scheduled.\n");
3613                         qla82xx_device_state_handler(base_vha);
3614                         clear_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags);
3615                         if (!ha->flags.quiesce_owner) {
3616                                 qla2x00_perform_loop_resync(base_vha);
3617
3618                                 qla82xx_idc_lock(ha);
3619                                 qla82xx_clear_qsnt_ready(base_vha);
3620                                 qla82xx_idc_unlock(ha);
3621                         }
3622                         ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
3623                             "Quiescence mode end.\n");
3624                 }
3625
3626                 if (test_and_clear_bit(RESET_MARKER_NEEDED,
3627                                                         &base_vha->dpc_flags) &&
3628                     (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
3629
3630                         ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
3631                             "Reset marker scheduled.\n");
3632                         qla2x00_rst_aen(base_vha);
3633                         clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
3634                         ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
3635                             "Reset marker end.\n");
3636                 }
3637
3638                 /* Retry each device up to login retry count */
3639                 if ((test_and_clear_bit(RELOGIN_NEEDED,
3640                                                 &base_vha->dpc_flags)) &&
3641                     !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3642                     atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
3643
3644                         ql_dbg(ql_dbg_dpc, base_vha, 0x400d,
3645                             "Relogin scheduled.\n");
3646                         qla2x00_relogin(base_vha);
3647                         ql_dbg(ql_dbg_dpc, base_vha, 0x400e,
3648                             "Relogin end.\n");
3649                 }
3650
3651                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3652                                                         &base_vha->dpc_flags)) {
3653
3654                         ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
3655                             "Loop resync scheduled.\n");
3656
3657                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
3658                             &base_vha->dpc_flags))) {
3659
3660                                 rval = qla2x00_loop_resync(base_vha);
3661
3662                                 clear_bit(LOOP_RESYNC_ACTIVE,
3663                                                 &base_vha->dpc_flags);
3664                         }
3665
3666                         ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
3667                             "Loop resync end.\n");
3668                 }
3669
3670                 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3671                     atomic_read(&base_vha->loop_state) == LOOP_READY) {
3672                         clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3673                         qla2xxx_flash_npiv_conf(base_vha);
3674                 }
3675
3676                 if (!ha->interrupts_on)
3677                         ha->isp_ops->enable_intrs(ha);
3678
3679                 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3680                                         &base_vha->dpc_flags))
3681                         ha->isp_ops->beacon_blink(base_vha);
3682
3683                 qla2x00_do_dpc_all_vps(base_vha);
3684
3685                 ha->dpc_active = 0;
3686                 set_current_state(TASK_INTERRUPTIBLE);
3687         } /* End of while(1) */
3688         __set_current_state(TASK_RUNNING);
3689
3690         ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
3691             "DPC handler exiting.\n");
3692
3693         /*
3694          * Make sure that nobody tries to wake us up again.
3695          */
3696         ha->dpc_active = 0;
3697
3698         /* Cleanup any residual CTX SRBs. */
3699         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3700
3701         return 0;
3702 }
3703
3704 void
3705 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3706 {
3707         struct qla_hw_data *ha = vha->hw;
3708         struct task_struct *t = ha->dpc_thread;
3709
3710         if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3711                 wake_up_process(t);
3712 }
3713
3714 /*
3715 *  qla2x00_rst_aen
3716 *      Processes asynchronous reset.
3717 *
3718 * Input:
3719 *      ha  = adapter block pointer.
3720 */
3721 static void
3722 qla2x00_rst_aen(scsi_qla_host_t *vha)
3723 {
3724         if (vha->flags.online && !vha->flags.reset_active &&
3725             !atomic_read(&vha->loop_down_timer) &&
3726             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3727                 do {
3728                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3729
3730                         /*
3731                          * Issue marker command only when we are going to start
3732                          * the I/O.
3733                          */
3734                         vha->marker_needed = 1;
3735                 } while (!atomic_read(&vha->loop_down_timer) &&
3736                     (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3737         }
3738 }
3739
3740 static void
3741 qla2x00_sp_free_dma(srb_t *sp)
3742 {
3743         struct scsi_cmnd *cmd = sp->cmd;
3744         struct qla_hw_data *ha = sp->fcport->vha->hw;
3745
3746         if (sp->flags & SRB_DMA_VALID) {
3747                 scsi_dma_unmap(cmd);
3748                 sp->flags &= ~SRB_DMA_VALID;
3749         }
3750
3751         if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
3752                 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
3753                     scsi_prot_sg_count(cmd), cmd->sc_data_direction);
3754                 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
3755         }
3756
3757         if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
3758                 /* List assured to be having elements */
3759                 qla2x00_clean_dsd_pool(ha, sp);
3760                 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
3761         }
3762
3763         if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
3764                 dma_pool_free(ha->dl_dma_pool, sp->ctx,
3765                     ((struct crc_context *)sp->ctx)->crc_ctx_dma);
3766                 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
3767         }
3768
3769         CMD_SP(cmd) = NULL;
3770 }
3771
3772 static void
3773 qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
3774 {
3775         struct scsi_cmnd *cmd = sp->cmd;
3776
3777         qla2x00_sp_free_dma(sp);
3778
3779         if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
3780                 struct ct6_dsd *ctx = sp->ctx;
3781                 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
3782                         ctx->fcp_cmnd_dma);
3783                 list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
3784                 ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
3785                 ha->gbl_dsd_avail += ctx->dsd_use_cnt;
3786                 mempool_free(sp->ctx, ha->ctx_mempool);
3787                 sp->ctx = NULL;
3788         }
3789
3790         mempool_free(sp, ha->srb_mempool);
3791         cmd->scsi_done(cmd);
3792 }
3793
3794 void
3795 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3796 {
3797         if (atomic_read(&sp->ref_count) == 0) {
3798                 ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3015,
3799                     "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
3800                     sp, sp->cmd);
3801                 if (ql2xextended_error_logging & ql_dbg_io)
3802                         BUG();
3803                 return;
3804         }
3805         if (!atomic_dec_and_test(&sp->ref_count))
3806                 return;
3807         qla2x00_sp_final_compl(ha, sp);
3808 }
3809
3810 /**************************************************************************
3811 *   qla2x00_timer
3812 *
3813 * Description:
3814 *   One second timer
3815 *
3816 * Context: Interrupt
3817 ***************************************************************************/
3818 void
3819 qla2x00_timer(scsi_qla_host_t *vha)
3820 {
3821         unsigned long   cpu_flags = 0;
3822         int             start_dpc = 0;
3823         int             index;
3824         srb_t           *sp;
3825         uint16_t        w;
3826         struct qla_hw_data *ha = vha->hw;
3827         struct req_que *req;
3828
3829         if (ha->flags.eeh_busy) {
3830                 ql_dbg(ql_dbg_timer, vha, 0x6000,
3831                     "EEH = %d, restarting timer.\n",
3832                     ha->flags.eeh_busy);
3833                 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3834                 return;
3835         }
3836
3837         /* Hardware read to raise pending EEH errors during mailbox waits. */
3838         if (!pci_channel_offline(ha->pdev))
3839                 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3840
3841         /* Make sure qla82xx_watchdog is run only for physical port */
3842         if (!vha->vp_idx && IS_QLA82XX(ha)) {
3843                 if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
3844                         start_dpc++;
3845                 qla82xx_watchdog(vha);
3846         }
3847
3848         /* Loop down handler. */
3849         if (atomic_read(&vha->loop_down_timer) > 0 &&
3850             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
3851             !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
3852                 && vha->flags.online) {
3853
3854                 if (atomic_read(&vha->loop_down_timer) ==
3855                     vha->loop_down_abort_time) {
3856
3857                         ql_log(ql_log_info, vha, 0x6008,
3858                             "Loop down - aborting the queues before time expires.\n");
3859
3860                         if (!IS_QLA2100(ha) && vha->link_down_timeout)
3861                                 atomic_set(&vha->loop_state, LOOP_DEAD);
3862
3863                         /*
3864                          * Schedule an ISP abort to return any FCP2-device
3865                          * commands.
3866                          */
3867                         /* NPIV - scan physical port only */
3868                         if (!vha->vp_idx) {
3869                                 spin_lock_irqsave(&ha->hardware_lock,
3870                                     cpu_flags);
3871                                 req = ha->req_q_map[0];
3872                                 for (index = 1;
3873                                     index < MAX_OUTSTANDING_COMMANDS;
3874                                     index++) {
3875                                         fc_port_t *sfcp;
3876
3877                                         sp = req->outstanding_cmds[index];
3878                                         if (!sp)
3879                                                 continue;
3880                                         if (sp->ctx && !IS_PROT_IO(sp))
3881                                                 continue;
3882                                         sfcp = sp->fcport;
3883                                         if (!(sfcp->flags & FCF_FCP2_DEVICE))
3884                                                 continue;
3885
3886                                         if (IS_QLA82XX(ha))
3887                                                 set_bit(FCOE_CTX_RESET_NEEDED,
3888                                                         &vha->dpc_flags);
3889                                         else
3890                                                 set_bit(ISP_ABORT_NEEDED,
3891                                                         &vha->dpc_flags);
3892                                         break;
3893                                 }
3894                                 spin_unlock_irqrestore(&ha->hardware_lock,
3895                                                                 cpu_flags);
3896                         }
3897                         start_dpc++;
3898                 }
3899
3900                 /* if the loop has been down for 4 minutes, reinit adapter */
3901                 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3902                         if (!(vha->device_flags & DFLG_NO_CABLE)) {
3903                                 ql_log(ql_log_warn, vha, 0x6009,
3904                                     "Loop down - aborting ISP.\n");
3905
3906                                 if (IS_QLA82XX(ha))
3907                                         set_bit(FCOE_CTX_RESET_NEEDED,
3908                                                 &vha->dpc_flags);
3909                                 else
3910                                         set_bit(ISP_ABORT_NEEDED,
3911                                                 &vha->dpc_flags);
3912                         }
3913                 }
3914                 ql_dbg(ql_dbg_timer, vha, 0x600a,
3915                     "Loop down - seconds remaining %d.\n",
3916                     atomic_read(&vha->loop_down_timer));
3917         }
3918
3919         /* Check if beacon LED needs to be blinked for physical host only */
3920         if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
3921                 /* There is no beacon_blink function for ISP82xx */
3922                 if (!IS_QLA82XX(ha)) {
3923                         set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3924                         start_dpc++;
3925                 }
3926         }
3927
3928         /* Process any deferred work. */
3929         if (!list_empty(&vha->work_list))
3930                 start_dpc++;
3931
3932         /* Schedule the DPC routine if needed */
3933         if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3934             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3935             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3936             start_dpc ||
3937             test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3938             test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3939             test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3940             test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3941             test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3942             test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
3943                 ql_dbg(ql_dbg_timer, vha, 0x600b,
3944                     "isp_abort_needed=%d loop_resync_needed=%d "
3945                     "fcport_update_needed=%d start_dpc=%d "
3946                     "reset_marker_needed=%d",
3947                     test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
3948                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
3949                     test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
3950                     start_dpc,
3951                     test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
3952                 ql_dbg(ql_dbg_timer, vha, 0x600c,
3953                     "beacon_blink_needed=%d isp_unrecoverable=%d "
3954                     "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
3955                     "relogin_needed=%d.\n",
3956                     test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
3957                     test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
3958                     test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
3959                     test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
3960                     test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
3961                 qla2xxx_wake_dpc(vha);
3962         }
3963
3964         qla2x00_restart_timer(vha, WATCH_INTERVAL);
3965 }
3966
3967 /* Firmware interface routines. */
3968
3969 #define FW_BLOBS        8
3970 #define FW_ISP21XX      0
3971 #define FW_ISP22XX      1
3972 #define FW_ISP2300      2
3973 #define FW_ISP2322      3
3974 #define FW_ISP24XX      4
3975 #define FW_ISP25XX      5
3976 #define FW_ISP81XX      6
3977 #define FW_ISP82XX      7
3978
3979 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3980 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3981 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3982 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3983 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3984 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3985 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3986 #define FW_FILE_ISP82XX "ql8200_fw.bin"
3987
3988 static DEFINE_MUTEX(qla_fw_lock);
3989
3990 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3991         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3992         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3993         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3994         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3995         { .name = FW_FILE_ISP24XX, },
3996         { .name = FW_FILE_ISP25XX, },
3997         { .name = FW_FILE_ISP81XX, },
3998         { .name = FW_FILE_ISP82XX, },
3999 };
4000
4001 struct fw_blob *
4002 qla2x00_request_firmware(scsi_qla_host_t *vha)
4003 {
4004         struct qla_hw_data *ha = vha->hw;
4005         struct fw_blob *blob;
4006
4007         blob = NULL;
4008         if (IS_QLA2100(ha)) {
4009                 blob = &qla_fw_blobs[FW_ISP21XX];
4010         } else if (IS_QLA2200(ha)) {
4011                 blob = &qla_fw_blobs[FW_ISP22XX];
4012         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
4013                 blob = &qla_fw_blobs[FW_ISP2300];
4014         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
4015                 blob = &qla_fw_blobs[FW_ISP2322];
4016         } else if (IS_QLA24XX_TYPE(ha)) {
4017                 blob = &qla_fw_blobs[FW_ISP24XX];
4018         } else if (IS_QLA25XX(ha)) {
4019                 blob = &qla_fw_blobs[FW_ISP25XX];
4020         } else if (IS_QLA81XX(ha)) {
4021                 blob = &qla_fw_blobs[FW_ISP81XX];
4022         } else if (IS_QLA82XX(ha)) {
4023                 blob = &qla_fw_blobs[FW_ISP82XX];
4024         }
4025
4026         mutex_lock(&qla_fw_lock);
4027         if (blob->fw)
4028                 goto out;
4029
4030         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
4031                 ql_log(ql_log_warn, vha, 0x0063,
4032                     "Failed to load firmware image (%s).\n", blob->name);
4033                 blob->fw = NULL;
4034                 blob = NULL;
4035                 goto out;
4036         }
4037
4038 out:
4039         mutex_unlock(&qla_fw_lock);
4040         return blob;
4041 }
4042
4043 static void
4044 qla2x00_release_firmware(void)
4045 {
4046         int idx;
4047
4048         mutex_lock(&qla_fw_lock);
4049         for (idx = 0; idx < FW_BLOBS; idx++)
4050                 if (qla_fw_blobs[idx].fw)
4051                         release_firmware(qla_fw_blobs[idx].fw);
4052         mutex_unlock(&qla_fw_lock);
4053 }
4054
4055 static pci_ers_result_t
4056 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
4057 {
4058         scsi_qla_host_t *vha = pci_get_drvdata(pdev);
4059         struct qla_hw_data *ha = vha->hw;
4060
4061         ql_dbg(ql_dbg_aer, vha, 0x9000,
4062             "PCI error detected, state %x.\n", state);
4063
4064         switch (state) {
4065         case pci_channel_io_normal:
4066                 ha->flags.eeh_busy = 0;
4067                 return PCI_ERS_RESULT_CAN_RECOVER;
4068         case pci_channel_io_frozen:
4069                 ha->flags.eeh_busy = 1;
4070                 /* For ISP82XX complete any pending mailbox cmd */
4071                 if (IS_QLA82XX(ha)) {
4072                         ha->flags.isp82xx_fw_hung = 1;
4073                         if (ha->flags.mbox_busy) {
4074                                 ha->flags.mbox_int = 1;
4075                                 ql_dbg(ql_dbg_aer, vha, 0x9001,
4076                                     "Due to pci channel io frozen, doing premature "
4077                                     "completion of mbx command.\n");
4078                                 complete(&ha->mbx_intr_comp);
4079                         }
4080                 }
4081                 qla2x00_free_irqs(vha);
4082                 pci_disable_device(pdev);
4083                 /* Return back all IOs */
4084                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4085                 return PCI_ERS_RESULT_NEED_RESET;
4086         case pci_channel_io_perm_failure:
4087                 ha->flags.pci_channel_io_perm_failure = 1;
4088                 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
4089                 return PCI_ERS_RESULT_DISCONNECT;
4090         }
4091         return PCI_ERS_RESULT_NEED_RESET;
4092 }
4093
4094 static pci_ers_result_t
4095 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
4096 {
4097         int risc_paused = 0;
4098         uint32_t stat;
4099         unsigned long flags;
4100         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4101         struct qla_hw_data *ha = base_vha->hw;
4102         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4103         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
4104
4105         if (IS_QLA82XX(ha))
4106                 return PCI_ERS_RESULT_RECOVERED;
4107
4108         spin_lock_irqsave(&ha->hardware_lock, flags);
4109         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
4110                 stat = RD_REG_DWORD(&reg->hccr);
4111                 if (stat & HCCR_RISC_PAUSE)
4112                         risc_paused = 1;
4113         } else if (IS_QLA23XX(ha)) {
4114                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
4115                 if (stat & HSR_RISC_PAUSED)
4116                         risc_paused = 1;
4117         } else if (IS_FWI2_CAPABLE(ha)) {
4118                 stat = RD_REG_DWORD(&reg24->host_status);
4119                 if (stat & HSRX_RISC_PAUSED)
4120                         risc_paused = 1;
4121         }
4122         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4123
4124         if (risc_paused) {
4125                 ql_log(ql_log_info, base_vha, 0x9003,
4126                     "RISC paused -- mmio_enabled, Dumping firmware.\n");
4127                 ha->isp_ops->fw_dump(base_vha, 0);
4128
4129                 return PCI_ERS_RESULT_NEED_RESET;
4130         } else
4131                 return PCI_ERS_RESULT_RECOVERED;
4132 }
4133
4134 uint32_t qla82xx_error_recovery(scsi_qla_host_t *base_vha)
4135 {
4136         uint32_t rval = QLA_FUNCTION_FAILED;
4137         uint32_t drv_active = 0;
4138         struct qla_hw_data *ha = base_vha->hw;
4139         int fn;
4140         struct pci_dev *other_pdev = NULL;
4141
4142         ql_dbg(ql_dbg_aer, base_vha, 0x9006,
4143             "Entered %s.\n", __func__);
4144
4145         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4146
4147         if (base_vha->flags.online) {
4148                 /* Abort all outstanding commands,
4149                  * so as to be requeued later */
4150                 qla2x00_abort_isp_cleanup(base_vha);
4151         }
4152
4153
4154         fn = PCI_FUNC(ha->pdev->devfn);
4155         while (fn > 0) {
4156                 fn--;
4157                 ql_dbg(ql_dbg_aer, base_vha, 0x9007,
4158                     "Finding pci device at function = 0x%x.\n", fn);
4159                 other_pdev =
4160                     pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
4161                     ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
4162                     fn));
4163
4164                 if (!other_pdev)
4165                         continue;
4166                 if (atomic_read(&other_pdev->enable_cnt)) {
4167                         ql_dbg(ql_dbg_aer, base_vha, 0x9008,
4168                             "Found PCI func available and enable at 0x%x.\n",
4169                             fn);
4170                         pci_dev_put(other_pdev);
4171                         break;
4172                 }
4173                 pci_dev_put(other_pdev);
4174         }
4175
4176         if (!fn) {
4177                 /* Reset owner */
4178                 ql_dbg(ql_dbg_aer, base_vha, 0x9009,
4179                     "This devfn is reset owner = 0x%x.\n",
4180                     ha->pdev->devfn);
4181                 qla82xx_idc_lock(ha);
4182
4183                 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4184                     QLA82XX_DEV_INITIALIZING);
4185
4186                 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
4187                     QLA82XX_IDC_VERSION);
4188
4189                 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
4190                 ql_dbg(ql_dbg_aer, base_vha, 0x900a,
4191                     "drv_active = 0x%x.\n", drv_active);
4192
4193                 qla82xx_idc_unlock(ha);
4194                 /* Reset if device is not already reset
4195                  * drv_active would be 0 if a reset has already been done
4196                  */
4197                 if (drv_active)
4198                         rval = qla82xx_start_firmware(base_vha);
4199                 else
4200                         rval = QLA_SUCCESS;
4201                 qla82xx_idc_lock(ha);
4202
4203                 if (rval != QLA_SUCCESS) {
4204                         ql_log(ql_log_info, base_vha, 0x900b,
4205                             "HW State: FAILED.\n");
4206                         qla82xx_clear_drv_active(ha);
4207                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4208                             QLA82XX_DEV_FAILED);
4209                 } else {
4210                         ql_log(ql_log_info, base_vha, 0x900c,
4211                             "HW State: READY.\n");
4212                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4213                             QLA82XX_DEV_READY);
4214                         qla82xx_idc_unlock(ha);
4215                         ha->flags.isp82xx_fw_hung = 0;
4216                         rval = qla82xx_restart_isp(base_vha);
4217                         qla82xx_idc_lock(ha);
4218                         /* Clear driver state register */
4219                         qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
4220                         qla82xx_set_drv_active(base_vha);
4221                 }
4222                 qla82xx_idc_unlock(ha);
4223         } else {
4224                 ql_dbg(ql_dbg_aer, base_vha, 0x900d,
4225                     "This devfn is not reset owner = 0x%x.\n",
4226                     ha->pdev->devfn);
4227                 if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
4228                     QLA82XX_DEV_READY)) {
4229                         ha->flags.isp82xx_fw_hung = 0;
4230                         rval = qla82xx_restart_isp(base_vha);
4231                         qla82xx_idc_lock(ha);
4232                         qla82xx_set_drv_active(base_vha);
4233                         qla82xx_idc_unlock(ha);
4234                 }
4235         }
4236         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4237
4238         return rval;
4239 }
4240
4241 static pci_ers_result_t
4242 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
4243 {
4244         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
4245         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4246         struct qla_hw_data *ha = base_vha->hw;
4247         struct rsp_que *rsp;
4248         int rc, retries = 10;
4249
4250         ql_dbg(ql_dbg_aer, base_vha, 0x9004,
4251             "Slot Reset.\n");
4252
4253         /* Workaround: qla2xxx driver which access hardware earlier
4254          * needs error state to be pci_channel_io_online.
4255          * Otherwise mailbox command timesout.
4256          */
4257         pdev->error_state = pci_channel_io_normal;
4258
4259         pci_restore_state(pdev);
4260
4261         /* pci_restore_state() clears the saved_state flag of the device
4262          * save restored state which resets saved_state flag
4263          */
4264         pci_save_state(pdev);
4265
4266         if (ha->mem_only)
4267                 rc = pci_enable_device_mem(pdev);
4268         else
4269                 rc = pci_enable_device(pdev);
4270
4271         if (rc) {
4272                 ql_log(ql_log_warn, base_vha, 0x9005,
4273                     "Can't re-enable PCI device after reset.\n");
4274                 goto exit_slot_reset;
4275         }
4276
4277         rsp = ha->rsp_q_map[0];
4278         if (qla2x00_request_irqs(ha, rsp))
4279                 goto exit_slot_reset;
4280
4281         if (ha->isp_ops->pci_config(base_vha))
4282                 goto exit_slot_reset;
4283
4284         if (IS_QLA82XX(ha)) {
4285                 if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
4286                         ret = PCI_ERS_RESULT_RECOVERED;
4287                         goto exit_slot_reset;
4288                 } else
4289                         goto exit_slot_reset;
4290         }
4291
4292         while (ha->flags.mbox_busy && retries--)
4293                 msleep(1000);
4294
4295         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4296         if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
4297                 ret =  PCI_ERS_RESULT_RECOVERED;
4298         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4299
4300
4301 exit_slot_reset:
4302         ql_dbg(ql_dbg_aer, base_vha, 0x900e,
4303             "slot_reset return %x.\n", ret);
4304
4305         return ret;
4306 }
4307
4308 static void
4309 qla2xxx_pci_resume(struct pci_dev *pdev)
4310 {
4311         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4312         struct qla_hw_data *ha = base_vha->hw;
4313         int ret;
4314
4315         ql_dbg(ql_dbg_aer, base_vha, 0x900f,
4316             "pci_resume.\n");
4317
4318         ret = qla2x00_wait_for_hba_online(base_vha);
4319         if (ret != QLA_SUCCESS) {
4320                 ql_log(ql_log_fatal, base_vha, 0x9002,
4321                     "The device failed to resume I/O from slot/link_reset.\n");
4322         }
4323
4324         pci_cleanup_aer_uncorrect_error_status(pdev);
4325
4326         ha->flags.eeh_busy = 0;
4327 }
4328
4329 static struct pci_error_handlers qla2xxx_err_handler = {
4330         .error_detected = qla2xxx_pci_error_detected,
4331         .mmio_enabled = qla2xxx_pci_mmio_enabled,
4332         .slot_reset = qla2xxx_pci_slot_reset,
4333         .resume = qla2xxx_pci_resume,
4334 };
4335
4336 static struct pci_device_id qla2xxx_pci_tbl[] = {
4337         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
4338         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
4339         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
4340         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
4341         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
4342         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
4343         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
4344         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
4345         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4346         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
4347         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
4348         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
4349         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
4350         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
4351         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
4352         { 0 },
4353 };
4354 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
4355
4356 static struct pci_driver qla2xxx_pci_driver = {
4357         .name           = QLA2XXX_DRIVER_NAME,
4358         .driver         = {
4359                 .owner          = THIS_MODULE,
4360         },
4361         .id_table       = qla2xxx_pci_tbl,
4362         .probe          = qla2x00_probe_one,
4363         .remove         = qla2x00_remove_one,
4364         .shutdown       = qla2x00_shutdown,
4365         .err_handler    = &qla2xxx_err_handler,
4366 };
4367
4368 static struct file_operations apidev_fops = {
4369         .owner = THIS_MODULE,
4370         .llseek = noop_llseek,
4371 };
4372
4373 /**
4374  * qla2x00_module_init - Module initialization.
4375  **/
4376 static int __init
4377 qla2x00_module_init(void)
4378 {
4379         int ret = 0;
4380
4381         /* Allocate cache for SRBs. */
4382         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
4383             SLAB_HWCACHE_ALIGN, NULL);
4384         if (srb_cachep == NULL) {
4385                 ql_log(ql_log_fatal, NULL, 0x0001,
4386                     "Unable to allocate SRB cache...Failing load!.\n");
4387                 return -ENOMEM;
4388         }
4389
4390         /* Derive version string. */
4391         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
4392         if (ql2xextended_error_logging)
4393                 strcat(qla2x00_version_str, "-debug");
4394
4395         qla2xxx_transport_template =
4396             fc_attach_transport(&qla2xxx_transport_functions);
4397         if (!qla2xxx_transport_template) {
4398                 kmem_cache_destroy(srb_cachep);
4399                 ql_log(ql_log_fatal, NULL, 0x0002,
4400                     "fc_attach_transport failed...Failing load!.\n");
4401                 return -ENODEV;
4402         }
4403
4404         apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
4405         if (apidev_major < 0) {
4406                 ql_log(ql_log_fatal, NULL, 0x0003,
4407                     "Unable to register char device %s.\n", QLA2XXX_APIDEV);
4408         }
4409
4410         qla2xxx_transport_vport_template =
4411             fc_attach_transport(&qla2xxx_transport_vport_functions);
4412         if (!qla2xxx_transport_vport_template) {
4413                 kmem_cache_destroy(srb_cachep);
4414                 fc_release_transport(qla2xxx_transport_template);
4415                 ql_log(ql_log_fatal, NULL, 0x0004,
4416                     "fc_attach_transport vport failed...Failing load!.\n");
4417                 return -ENODEV;
4418         }
4419         ql_log(ql_log_info, NULL, 0x0005,
4420             "QLogic Fibre Channel HBA Driver: %s.\n",
4421             qla2x00_version_str);
4422         ret = pci_register_driver(&qla2xxx_pci_driver);
4423         if (ret) {
4424                 kmem_cache_destroy(srb_cachep);
4425                 fc_release_transport(qla2xxx_transport_template);
4426                 fc_release_transport(qla2xxx_transport_vport_template);
4427                 ql_log(ql_log_fatal, NULL, 0x0006,
4428                     "pci_register_driver failed...ret=%d Failing load!.\n",
4429                     ret);
4430         }
4431         return ret;
4432 }
4433
4434 /**
4435  * qla2x00_module_exit - Module cleanup.
4436  **/
4437 static void __exit
4438 qla2x00_module_exit(void)
4439 {
4440         unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
4441         pci_unregister_driver(&qla2xxx_pci_driver);
4442         qla2x00_release_firmware();
4443         kmem_cache_destroy(srb_cachep);
4444         if (ctx_cachep)
4445                 kmem_cache_destroy(ctx_cachep);
4446         fc_release_transport(qla2xxx_transport_template);
4447         fc_release_transport(qla2xxx_transport_vport_template);
4448 }
4449
4450 module_init(qla2x00_module_init);
4451 module_exit(qla2x00_module_exit);
4452
4453 MODULE_AUTHOR("QLogic Corporation");
4454 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
4455 MODULE_LICENSE("GPL");
4456 MODULE_VERSION(QLA2XXX_VERSION);
4457 MODULE_FIRMWARE(FW_FILE_ISP21XX);
4458 MODULE_FIRMWARE(FW_FILE_ISP22XX);
4459 MODULE_FIRMWARE(FW_FILE_ISP2300);
4460 MODULE_FIRMWARE(FW_FILE_ISP2322);
4461 MODULE_FIRMWARE(FW_FILE_ISP24XX);
4462 MODULE_FIRMWARE(FW_FILE_ISP25XX);