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_LOGIN_CMD ||
1345                                             ctx->type == SRB_LOGOUT_CMD) {
1346                                                 ctx->u.iocb_cmd->free(sp);
1347                                         } else {
1348                                                 struct fc_bsg_job *bsg_job =
1349                                                     ctx->u.bsg_job;
1350                                                 if (bsg_job->request->msgcode
1351                                                     == FC_BSG_HST_CT)
1352                                                         kfree(sp->fcport);
1353                                                 bsg_job->req->errors = 0;
1354                                                 bsg_job->reply->result = res;
1355                                                 bsg_job->job_done(bsg_job);
1356                                                 kfree(sp->ctx);
1357                                                 mempool_free(sp,
1358                                                         ha->srb_mempool);
1359                                         }
1360                                 }
1361                         }
1362                 }
1363         }
1364         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1365 }
1366
1367 static int
1368 qla2xxx_slave_alloc(struct scsi_device *sdev)
1369 {
1370         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1371
1372         if (!rport || fc_remote_port_chkready(rport))
1373                 return -ENXIO;
1374
1375         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1376
1377         return 0;
1378 }
1379
1380 static int
1381 qla2xxx_slave_configure(struct scsi_device *sdev)
1382 {
1383         scsi_qla_host_t *vha = shost_priv(sdev->host);
1384         struct req_que *req = vha->req;
1385
1386         if (sdev->tagged_supported)
1387                 scsi_activate_tcq(sdev, req->max_q_depth);
1388         else
1389                 scsi_deactivate_tcq(sdev, req->max_q_depth);
1390         return 0;
1391 }
1392
1393 static void
1394 qla2xxx_slave_destroy(struct scsi_device *sdev)
1395 {
1396         sdev->hostdata = NULL;
1397 }
1398
1399 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1400 {
1401         fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1402
1403         if (!scsi_track_queue_full(sdev, qdepth))
1404                 return;
1405
1406         ql_dbg(ql_dbg_io, fcport->vha, 0x3029,
1407             "Queue depth adjusted-down "
1408             "to %d for scsi(%ld:%d:%d:%d).\n",
1409             sdev->queue_depth, fcport->vha->host_no,
1410             sdev->channel, sdev->id, sdev->lun);
1411 }
1412
1413 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1414 {
1415         fc_port_t *fcport = sdev->hostdata;
1416         struct scsi_qla_host *vha = fcport->vha;
1417         struct req_que *req = NULL;
1418
1419         req = vha->req;
1420         if (!req)
1421                 return;
1422
1423         if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1424                 return;
1425
1426         if (sdev->ordered_tags)
1427                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1428         else
1429                 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1430
1431         ql_dbg(ql_dbg_io, vha, 0x302a,
1432             "Queue depth adjusted-up to %d for "
1433             "scsi(%ld:%d:%d:%d).\n",
1434             sdev->queue_depth, fcport->vha->host_no,
1435             sdev->channel, sdev->id, sdev->lun);
1436 }
1437
1438 static int
1439 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1440 {
1441         switch (reason) {
1442         case SCSI_QDEPTH_DEFAULT:
1443                 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1444                 break;
1445         case SCSI_QDEPTH_QFULL:
1446                 qla2x00_handle_queue_full(sdev, qdepth);
1447                 break;
1448         case SCSI_QDEPTH_RAMP_UP:
1449                 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1450                 break;
1451         default:
1452                 return -EOPNOTSUPP;
1453         }
1454
1455         return sdev->queue_depth;
1456 }
1457
1458 static int
1459 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1460 {
1461         if (sdev->tagged_supported) {
1462                 scsi_set_tag_type(sdev, tag_type);
1463                 if (tag_type)
1464                         scsi_activate_tcq(sdev, sdev->queue_depth);
1465                 else
1466                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1467         } else
1468                 tag_type = 0;
1469
1470         return tag_type;
1471 }
1472
1473 /**
1474  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1475  * @ha: HA context
1476  *
1477  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1478  * supported addressing method.
1479  */
1480 static void
1481 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1482 {
1483         /* Assume a 32bit DMA mask. */
1484         ha->flags.enable_64bit_addressing = 0;
1485
1486         if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1487                 /* Any upper-dword bits set? */
1488                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1489                     !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1490                         /* Ok, a 64bit DMA mask is applicable. */
1491                         ha->flags.enable_64bit_addressing = 1;
1492                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1493                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1494                         return;
1495                 }
1496         }
1497
1498         dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1499         pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1500 }
1501
1502 static void
1503 qla2x00_enable_intrs(struct qla_hw_data *ha)
1504 {
1505         unsigned long flags = 0;
1506         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1507
1508         spin_lock_irqsave(&ha->hardware_lock, flags);
1509         ha->interrupts_on = 1;
1510         /* enable risc and host interrupts */
1511         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1512         RD_REG_WORD(&reg->ictrl);
1513         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1514
1515 }
1516
1517 static void
1518 qla2x00_disable_intrs(struct qla_hw_data *ha)
1519 {
1520         unsigned long flags = 0;
1521         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1522
1523         spin_lock_irqsave(&ha->hardware_lock, flags);
1524         ha->interrupts_on = 0;
1525         /* disable risc and host interrupts */
1526         WRT_REG_WORD(&reg->ictrl, 0);
1527         RD_REG_WORD(&reg->ictrl);
1528         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1529 }
1530
1531 static void
1532 qla24xx_enable_intrs(struct qla_hw_data *ha)
1533 {
1534         unsigned long flags = 0;
1535         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1536
1537         spin_lock_irqsave(&ha->hardware_lock, flags);
1538         ha->interrupts_on = 1;
1539         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1540         RD_REG_DWORD(&reg->ictrl);
1541         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1542 }
1543
1544 static void
1545 qla24xx_disable_intrs(struct qla_hw_data *ha)
1546 {
1547         unsigned long flags = 0;
1548         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1549
1550         if (IS_NOPOLLING_TYPE(ha))
1551                 return;
1552         spin_lock_irqsave(&ha->hardware_lock, flags);
1553         ha->interrupts_on = 0;
1554         WRT_REG_DWORD(&reg->ictrl, 0);
1555         RD_REG_DWORD(&reg->ictrl);
1556         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1557 }
1558
1559 static struct isp_operations qla2100_isp_ops = {
1560         .pci_config             = qla2100_pci_config,
1561         .reset_chip             = qla2x00_reset_chip,
1562         .chip_diag              = qla2x00_chip_diag,
1563         .config_rings           = qla2x00_config_rings,
1564         .reset_adapter          = qla2x00_reset_adapter,
1565         .nvram_config           = qla2x00_nvram_config,
1566         .update_fw_options      = qla2x00_update_fw_options,
1567         .load_risc              = qla2x00_load_risc,
1568         .pci_info_str           = qla2x00_pci_info_str,
1569         .fw_version_str         = qla2x00_fw_version_str,
1570         .intr_handler           = qla2100_intr_handler,
1571         .enable_intrs           = qla2x00_enable_intrs,
1572         .disable_intrs          = qla2x00_disable_intrs,
1573         .abort_command          = qla2x00_abort_command,
1574         .target_reset           = qla2x00_abort_target,
1575         .lun_reset              = qla2x00_lun_reset,
1576         .fabric_login           = qla2x00_login_fabric,
1577         .fabric_logout          = qla2x00_fabric_logout,
1578         .calc_req_entries       = qla2x00_calc_iocbs_32,
1579         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1580         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1581         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1582         .read_nvram             = qla2x00_read_nvram_data,
1583         .write_nvram            = qla2x00_write_nvram_data,
1584         .fw_dump                = qla2100_fw_dump,
1585         .beacon_on              = NULL,
1586         .beacon_off             = NULL,
1587         .beacon_blink           = NULL,
1588         .read_optrom            = qla2x00_read_optrom_data,
1589         .write_optrom           = qla2x00_write_optrom_data,
1590         .get_flash_version      = qla2x00_get_flash_version,
1591         .start_scsi             = qla2x00_start_scsi,
1592         .abort_isp              = qla2x00_abort_isp,
1593 };
1594
1595 static struct isp_operations qla2300_isp_ops = {
1596         .pci_config             = qla2300_pci_config,
1597         .reset_chip             = qla2x00_reset_chip,
1598         .chip_diag              = qla2x00_chip_diag,
1599         .config_rings           = qla2x00_config_rings,
1600         .reset_adapter          = qla2x00_reset_adapter,
1601         .nvram_config           = qla2x00_nvram_config,
1602         .update_fw_options      = qla2x00_update_fw_options,
1603         .load_risc              = qla2x00_load_risc,
1604         .pci_info_str           = qla2x00_pci_info_str,
1605         .fw_version_str         = qla2x00_fw_version_str,
1606         .intr_handler           = qla2300_intr_handler,
1607         .enable_intrs           = qla2x00_enable_intrs,
1608         .disable_intrs          = qla2x00_disable_intrs,
1609         .abort_command          = qla2x00_abort_command,
1610         .target_reset           = qla2x00_abort_target,
1611         .lun_reset              = qla2x00_lun_reset,
1612         .fabric_login           = qla2x00_login_fabric,
1613         .fabric_logout          = qla2x00_fabric_logout,
1614         .calc_req_entries       = qla2x00_calc_iocbs_32,
1615         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1616         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1617         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1618         .read_nvram             = qla2x00_read_nvram_data,
1619         .write_nvram            = qla2x00_write_nvram_data,
1620         .fw_dump                = qla2300_fw_dump,
1621         .beacon_on              = qla2x00_beacon_on,
1622         .beacon_off             = qla2x00_beacon_off,
1623         .beacon_blink           = qla2x00_beacon_blink,
1624         .read_optrom            = qla2x00_read_optrom_data,
1625         .write_optrom           = qla2x00_write_optrom_data,
1626         .get_flash_version      = qla2x00_get_flash_version,
1627         .start_scsi             = qla2x00_start_scsi,
1628         .abort_isp              = qla2x00_abort_isp,
1629 };
1630
1631 static struct isp_operations qla24xx_isp_ops = {
1632         .pci_config             = qla24xx_pci_config,
1633         .reset_chip             = qla24xx_reset_chip,
1634         .chip_diag              = qla24xx_chip_diag,
1635         .config_rings           = qla24xx_config_rings,
1636         .reset_adapter          = qla24xx_reset_adapter,
1637         .nvram_config           = qla24xx_nvram_config,
1638         .update_fw_options      = qla24xx_update_fw_options,
1639         .load_risc              = qla24xx_load_risc,
1640         .pci_info_str           = qla24xx_pci_info_str,
1641         .fw_version_str         = qla24xx_fw_version_str,
1642         .intr_handler           = qla24xx_intr_handler,
1643         .enable_intrs           = qla24xx_enable_intrs,
1644         .disable_intrs          = qla24xx_disable_intrs,
1645         .abort_command          = qla24xx_abort_command,
1646         .target_reset           = qla24xx_abort_target,
1647         .lun_reset              = qla24xx_lun_reset,
1648         .fabric_login           = qla24xx_login_fabric,
1649         .fabric_logout          = qla24xx_fabric_logout,
1650         .calc_req_entries       = NULL,
1651         .build_iocbs            = NULL,
1652         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1653         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1654         .read_nvram             = qla24xx_read_nvram_data,
1655         .write_nvram            = qla24xx_write_nvram_data,
1656         .fw_dump                = qla24xx_fw_dump,
1657         .beacon_on              = qla24xx_beacon_on,
1658         .beacon_off             = qla24xx_beacon_off,
1659         .beacon_blink           = qla24xx_beacon_blink,
1660         .read_optrom            = qla24xx_read_optrom_data,
1661         .write_optrom           = qla24xx_write_optrom_data,
1662         .get_flash_version      = qla24xx_get_flash_version,
1663         .start_scsi             = qla24xx_start_scsi,
1664         .abort_isp              = qla2x00_abort_isp,
1665 };
1666
1667 static struct isp_operations qla25xx_isp_ops = {
1668         .pci_config             = qla25xx_pci_config,
1669         .reset_chip             = qla24xx_reset_chip,
1670         .chip_diag              = qla24xx_chip_diag,
1671         .config_rings           = qla24xx_config_rings,
1672         .reset_adapter          = qla24xx_reset_adapter,
1673         .nvram_config           = qla24xx_nvram_config,
1674         .update_fw_options      = qla24xx_update_fw_options,
1675         .load_risc              = qla24xx_load_risc,
1676         .pci_info_str           = qla24xx_pci_info_str,
1677         .fw_version_str         = qla24xx_fw_version_str,
1678         .intr_handler           = qla24xx_intr_handler,
1679         .enable_intrs           = qla24xx_enable_intrs,
1680         .disable_intrs          = qla24xx_disable_intrs,
1681         .abort_command          = qla24xx_abort_command,
1682         .target_reset           = qla24xx_abort_target,
1683         .lun_reset              = qla24xx_lun_reset,
1684         .fabric_login           = qla24xx_login_fabric,
1685         .fabric_logout          = qla24xx_fabric_logout,
1686         .calc_req_entries       = NULL,
1687         .build_iocbs            = NULL,
1688         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1689         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1690         .read_nvram             = qla25xx_read_nvram_data,
1691         .write_nvram            = qla25xx_write_nvram_data,
1692         .fw_dump                = qla25xx_fw_dump,
1693         .beacon_on              = qla24xx_beacon_on,
1694         .beacon_off             = qla24xx_beacon_off,
1695         .beacon_blink           = qla24xx_beacon_blink,
1696         .read_optrom            = qla25xx_read_optrom_data,
1697         .write_optrom           = qla24xx_write_optrom_data,
1698         .get_flash_version      = qla24xx_get_flash_version,
1699         .start_scsi             = qla24xx_dif_start_scsi,
1700         .abort_isp              = qla2x00_abort_isp,
1701 };
1702
1703 static struct isp_operations qla81xx_isp_ops = {
1704         .pci_config             = qla25xx_pci_config,
1705         .reset_chip             = qla24xx_reset_chip,
1706         .chip_diag              = qla24xx_chip_diag,
1707         .config_rings           = qla24xx_config_rings,
1708         .reset_adapter          = qla24xx_reset_adapter,
1709         .nvram_config           = qla81xx_nvram_config,
1710         .update_fw_options      = qla81xx_update_fw_options,
1711         .load_risc              = qla81xx_load_risc,
1712         .pci_info_str           = qla24xx_pci_info_str,
1713         .fw_version_str         = qla24xx_fw_version_str,
1714         .intr_handler           = qla24xx_intr_handler,
1715         .enable_intrs           = qla24xx_enable_intrs,
1716         .disable_intrs          = qla24xx_disable_intrs,
1717         .abort_command          = qla24xx_abort_command,
1718         .target_reset           = qla24xx_abort_target,
1719         .lun_reset              = qla24xx_lun_reset,
1720         .fabric_login           = qla24xx_login_fabric,
1721         .fabric_logout          = qla24xx_fabric_logout,
1722         .calc_req_entries       = NULL,
1723         .build_iocbs            = NULL,
1724         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1725         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1726         .read_nvram             = NULL,
1727         .write_nvram            = NULL,
1728         .fw_dump                = qla81xx_fw_dump,
1729         .beacon_on              = qla24xx_beacon_on,
1730         .beacon_off             = qla24xx_beacon_off,
1731         .beacon_blink           = qla24xx_beacon_blink,
1732         .read_optrom            = qla25xx_read_optrom_data,
1733         .write_optrom           = qla24xx_write_optrom_data,
1734         .get_flash_version      = qla24xx_get_flash_version,
1735         .start_scsi             = qla24xx_dif_start_scsi,
1736         .abort_isp              = qla2x00_abort_isp,
1737 };
1738
1739 static struct isp_operations qla82xx_isp_ops = {
1740         .pci_config             = qla82xx_pci_config,
1741         .reset_chip             = qla82xx_reset_chip,
1742         .chip_diag              = qla24xx_chip_diag,
1743         .config_rings           = qla82xx_config_rings,
1744         .reset_adapter          = qla24xx_reset_adapter,
1745         .nvram_config           = qla81xx_nvram_config,
1746         .update_fw_options      = qla24xx_update_fw_options,
1747         .load_risc              = qla82xx_load_risc,
1748         .pci_info_str           = qla82xx_pci_info_str,
1749         .fw_version_str         = qla24xx_fw_version_str,
1750         .intr_handler           = qla82xx_intr_handler,
1751         .enable_intrs           = qla82xx_enable_intrs,
1752         .disable_intrs          = qla82xx_disable_intrs,
1753         .abort_command          = qla24xx_abort_command,
1754         .target_reset           = qla24xx_abort_target,
1755         .lun_reset              = qla24xx_lun_reset,
1756         .fabric_login           = qla24xx_login_fabric,
1757         .fabric_logout          = qla24xx_fabric_logout,
1758         .calc_req_entries       = NULL,
1759         .build_iocbs            = NULL,
1760         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1761         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1762         .read_nvram             = qla24xx_read_nvram_data,
1763         .write_nvram            = qla24xx_write_nvram_data,
1764         .fw_dump                = qla24xx_fw_dump,
1765         .beacon_on              = qla82xx_beacon_on,
1766         .beacon_off             = qla82xx_beacon_off,
1767         .beacon_blink           = NULL,
1768         .read_optrom            = qla82xx_read_optrom_data,
1769         .write_optrom           = qla82xx_write_optrom_data,
1770         .get_flash_version      = qla24xx_get_flash_version,
1771         .start_scsi             = qla82xx_start_scsi,
1772         .abort_isp              = qla82xx_abort_isp,
1773 };
1774
1775 static inline void
1776 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1777 {
1778         ha->device_type = DT_EXTENDED_IDS;
1779         switch (ha->pdev->device) {
1780         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1781                 ha->device_type |= DT_ISP2100;
1782                 ha->device_type &= ~DT_EXTENDED_IDS;
1783                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1784                 break;
1785         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1786                 ha->device_type |= DT_ISP2200;
1787                 ha->device_type &= ~DT_EXTENDED_IDS;
1788                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1789                 break;
1790         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1791                 ha->device_type |= DT_ISP2300;
1792                 ha->device_type |= DT_ZIO_SUPPORTED;
1793                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1794                 break;
1795         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1796                 ha->device_type |= DT_ISP2312;
1797                 ha->device_type |= DT_ZIO_SUPPORTED;
1798                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1799                 break;
1800         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1801                 ha->device_type |= DT_ISP2322;
1802                 ha->device_type |= DT_ZIO_SUPPORTED;
1803                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1804                     ha->pdev->subsystem_device == 0x0170)
1805                         ha->device_type |= DT_OEM_001;
1806                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1807                 break;
1808         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1809                 ha->device_type |= DT_ISP6312;
1810                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1811                 break;
1812         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1813                 ha->device_type |= DT_ISP6322;
1814                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1815                 break;
1816         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1817                 ha->device_type |= DT_ISP2422;
1818                 ha->device_type |= DT_ZIO_SUPPORTED;
1819                 ha->device_type |= DT_FWI2;
1820                 ha->device_type |= DT_IIDMA;
1821                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1822                 break;
1823         case PCI_DEVICE_ID_QLOGIC_ISP2432:
1824                 ha->device_type |= DT_ISP2432;
1825                 ha->device_type |= DT_ZIO_SUPPORTED;
1826                 ha->device_type |= DT_FWI2;
1827                 ha->device_type |= DT_IIDMA;
1828                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1829                 break;
1830         case PCI_DEVICE_ID_QLOGIC_ISP8432:
1831                 ha->device_type |= DT_ISP8432;
1832                 ha->device_type |= DT_ZIO_SUPPORTED;
1833                 ha->device_type |= DT_FWI2;
1834                 ha->device_type |= DT_IIDMA;
1835                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1836                 break;
1837         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1838                 ha->device_type |= DT_ISP5422;
1839                 ha->device_type |= DT_FWI2;
1840                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1841                 break;
1842         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1843                 ha->device_type |= DT_ISP5432;
1844                 ha->device_type |= DT_FWI2;
1845                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1846                 break;
1847         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1848                 ha->device_type |= DT_ISP2532;
1849                 ha->device_type |= DT_ZIO_SUPPORTED;
1850                 ha->device_type |= DT_FWI2;
1851                 ha->device_type |= DT_IIDMA;
1852                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1853                 break;
1854         case PCI_DEVICE_ID_QLOGIC_ISP8001:
1855                 ha->device_type |= DT_ISP8001;
1856                 ha->device_type |= DT_ZIO_SUPPORTED;
1857                 ha->device_type |= DT_FWI2;
1858                 ha->device_type |= DT_IIDMA;
1859                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1860                 break;
1861         case PCI_DEVICE_ID_QLOGIC_ISP8021:
1862                 ha->device_type |= DT_ISP8021;
1863                 ha->device_type |= DT_ZIO_SUPPORTED;
1864                 ha->device_type |= DT_FWI2;
1865                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1866                 /* Initialize 82XX ISP flags */
1867                 qla82xx_init_flags(ha);
1868                 break;
1869         }
1870
1871         if (IS_QLA82XX(ha))
1872                 ha->port_no = !(ha->portnum & 1);
1873         else
1874                 /* Get adapter physical port no from interrupt pin register. */
1875                 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1876
1877         if (ha->port_no & 1)
1878                 ha->flags.port0 = 1;
1879         else
1880                 ha->flags.port0 = 0;
1881         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
1882             "device_type=0x%x port=%d fw_srisc_address=%p.\n",
1883             ha->device_type, ha->flags.port0, ha->fw_srisc_address);
1884 }
1885
1886 static int
1887 qla2x00_iospace_config(struct qla_hw_data *ha)
1888 {
1889         resource_size_t pio;
1890         uint16_t msix;
1891         int cpus;
1892
1893         if (IS_QLA82XX(ha))
1894                 return qla82xx_iospace_config(ha);
1895
1896         if (pci_request_selected_regions(ha->pdev, ha->bars,
1897             QLA2XXX_DRIVER_NAME)) {
1898                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1899                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1900                     pci_name(ha->pdev));
1901                 goto iospace_error_exit;
1902         }
1903         if (!(ha->bars & 1))
1904                 goto skip_pio;
1905
1906         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1907         pio = pci_resource_start(ha->pdev, 0);
1908         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1909                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1910                         ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1911                             "Invalid pci I/O region size (%s).\n",
1912                             pci_name(ha->pdev));
1913                         pio = 0;
1914                 }
1915         } else {
1916                 ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1917                     "Region #0 no a PIO resource (%s).\n",
1918                     pci_name(ha->pdev));
1919                 pio = 0;
1920         }
1921         ha->pio_address = pio;
1922         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1923             "PIO address=%p.\n",
1924             ha->pio_address);
1925
1926 skip_pio:
1927         /* Use MMIO operations for all accesses. */
1928         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1929                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1930                     "Region #1 not an MMIO resource (%s), aborting.\n",
1931                     pci_name(ha->pdev));
1932                 goto iospace_error_exit;
1933         }
1934         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1935                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1936                     "Invalid PCI mem region size (%s), aborting.\n",
1937                     pci_name(ha->pdev));
1938                 goto iospace_error_exit;
1939         }
1940
1941         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1942         if (!ha->iobase) {
1943                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
1944                     "Cannot remap MMIO (%s), aborting.\n",
1945                     pci_name(ha->pdev));
1946                 goto iospace_error_exit;
1947         }
1948
1949         /* Determine queue resources */
1950         ha->max_req_queues = ha->max_rsp_queues = 1;
1951         if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1952                 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1953                 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1954                 goto mqiobase_exit;
1955
1956         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1957                         pci_resource_len(ha->pdev, 3));
1958         if (ha->mqiobase) {
1959                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
1960                     "MQIO Base=%p.\n", ha->mqiobase);
1961                 /* Read MSIX vector size of the board */
1962                 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1963                 ha->msix_count = msix;
1964                 /* Max queues are bounded by available msix vectors */
1965                 /* queue 0 uses two msix vectors */
1966                 if (ql2xmultique_tag) {
1967                         cpus = num_online_cpus();
1968                         ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1969                                 (cpus + 1) : (ha->msix_count - 1);
1970                         ha->max_req_queues = 2;
1971                 } else if (ql2xmaxqueues > 1) {
1972                         ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1973                             QLA_MQ_SIZE : ql2xmaxqueues;
1974                         ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc008,
1975                             "QoS mode set, max no of request queues:%d.\n",
1976                             ha->max_req_queues);
1977                         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0019,
1978                             "QoS mode set, max no of request queues:%d.\n",
1979                             ha->max_req_queues);
1980                 }
1981                 ql_log_pci(ql_log_info, ha->pdev, 0x001a,
1982                     "MSI-X vector count: %d.\n", msix);
1983         } else
1984                 ql_log_pci(ql_log_info, ha->pdev, 0x001b,
1985                     "BAR 3 not enabled.\n");
1986
1987 mqiobase_exit:
1988         ha->msix_count = ha->max_rsp_queues + 1;
1989         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
1990             "MSIX Count:%d.\n", ha->msix_count);
1991         return (0);
1992
1993 iospace_error_exit:
1994         return (-ENOMEM);
1995 }
1996
1997 static void
1998 qla2xxx_scan_start(struct Scsi_Host *shost)
1999 {
2000         scsi_qla_host_t *vha = shost_priv(shost);
2001
2002         if (vha->hw->flags.running_gold_fw)
2003                 return;
2004
2005         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2006         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2007         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2008         set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2009 }
2010
2011 static int
2012 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2013 {
2014         scsi_qla_host_t *vha = shost_priv(shost);
2015
2016         if (!vha->host)
2017                 return 1;
2018         if (time > vha->hw->loop_reset_delay * HZ)
2019                 return 1;
2020
2021         return atomic_read(&vha->loop_state) == LOOP_READY;
2022 }
2023
2024 /*
2025  * PCI driver interface
2026  */
2027 static int __devinit
2028 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2029 {
2030         int     ret = -ENODEV;
2031         struct Scsi_Host *host;
2032         scsi_qla_host_t *base_vha = NULL;
2033         struct qla_hw_data *ha;
2034         char pci_info[30];
2035         char fw_str[30];
2036         struct scsi_host_template *sht;
2037         int bars, max_id, mem_only = 0;
2038         uint16_t req_length = 0, rsp_length = 0;
2039         struct req_que *req = NULL;
2040         struct rsp_que *rsp = NULL;
2041
2042         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2043         sht = &qla2xxx_driver_template;
2044         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2045             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2046             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2047             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2048             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2049             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2050             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2051             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
2052                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
2053                 mem_only = 1;
2054                 ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2055                     "Mem only adapter.\n");
2056         }
2057         ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2058             "Bars=%d.\n", bars);
2059
2060         if (mem_only) {
2061                 if (pci_enable_device_mem(pdev))
2062                         goto probe_out;
2063         } else {
2064                 if (pci_enable_device(pdev))
2065                         goto probe_out;
2066         }
2067
2068         /* This may fail but that's ok */
2069         pci_enable_pcie_error_reporting(pdev);
2070
2071         ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2072         if (!ha) {
2073                 ql_log_pci(ql_log_fatal, pdev, 0x0009,
2074                     "Unable to allocate memory for ha.\n");
2075                 goto probe_out;
2076         }
2077         ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2078             "Memory allocated for ha=%p.\n", ha);
2079         ha->pdev = pdev;
2080
2081         /* Clear our data area */
2082         ha->bars = bars;
2083         ha->mem_only = mem_only;
2084         spin_lock_init(&ha->hardware_lock);
2085         spin_lock_init(&ha->vport_slock);
2086
2087         /* Set ISP-type information. */
2088         qla2x00_set_isp_flags(ha);
2089
2090         /* Set EEH reset type to fundamental if required by hba */
2091         if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
2092                 pdev->needs_freset = 1;
2093         }
2094
2095         /* Configure PCI I/O space */
2096         ret = qla2x00_iospace_config(ha);
2097         if (ret)
2098                 goto probe_hw_failed;
2099
2100         ql_log_pci(ql_log_info, pdev, 0x001d,
2101             "Found an ISP%04X irq %d iobase 0x%p.\n",
2102             pdev->device, pdev->irq, ha->iobase);
2103         ha->prev_topology = 0;
2104         ha->init_cb_size = sizeof(init_cb_t);
2105         ha->link_data_rate = PORT_SPEED_UNKNOWN;
2106         ha->optrom_size = OPTROM_SIZE_2300;
2107
2108         /* Assign ISP specific operations. */
2109         max_id = MAX_TARGETS_2200;
2110         if (IS_QLA2100(ha)) {
2111                 max_id = MAX_TARGETS_2100;
2112                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2113                 req_length = REQUEST_ENTRY_CNT_2100;
2114                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2115                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2116                 ha->gid_list_info_size = 4;
2117                 ha->flash_conf_off = ~0;
2118                 ha->flash_data_off = ~0;
2119                 ha->nvram_conf_off = ~0;
2120                 ha->nvram_data_off = ~0;
2121                 ha->isp_ops = &qla2100_isp_ops;
2122         } else if (IS_QLA2200(ha)) {
2123                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2124                 req_length = REQUEST_ENTRY_CNT_2200;
2125                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2126                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2127                 ha->gid_list_info_size = 4;
2128                 ha->flash_conf_off = ~0;
2129                 ha->flash_data_off = ~0;
2130                 ha->nvram_conf_off = ~0;
2131                 ha->nvram_data_off = ~0;
2132                 ha->isp_ops = &qla2100_isp_ops;
2133         } else if (IS_QLA23XX(ha)) {
2134                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2135                 req_length = REQUEST_ENTRY_CNT_2200;
2136                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2137                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2138                 ha->gid_list_info_size = 6;
2139                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2140                         ha->optrom_size = OPTROM_SIZE_2322;
2141                 ha->flash_conf_off = ~0;
2142                 ha->flash_data_off = ~0;
2143                 ha->nvram_conf_off = ~0;
2144                 ha->nvram_data_off = ~0;
2145                 ha->isp_ops = &qla2300_isp_ops;
2146         } else if (IS_QLA24XX_TYPE(ha)) {
2147                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2148                 req_length = REQUEST_ENTRY_CNT_24XX;
2149                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2150                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2151                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2152                 ha->gid_list_info_size = 8;
2153                 ha->optrom_size = OPTROM_SIZE_24XX;
2154                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2155                 ha->isp_ops = &qla24xx_isp_ops;
2156                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2157                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2158                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2159                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2160         } else if (IS_QLA25XX(ha)) {
2161                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2162                 req_length = REQUEST_ENTRY_CNT_24XX;
2163                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2164                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2165                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2166                 ha->gid_list_info_size = 8;
2167                 ha->optrom_size = OPTROM_SIZE_25XX;
2168                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2169                 ha->isp_ops = &qla25xx_isp_ops;
2170                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2171                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2172                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2173                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2174         } else if (IS_QLA81XX(ha)) {
2175                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2176                 req_length = REQUEST_ENTRY_CNT_24XX;
2177                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2178                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2179                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2180                 ha->gid_list_info_size = 8;
2181                 ha->optrom_size = OPTROM_SIZE_81XX;
2182                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2183                 ha->isp_ops = &qla81xx_isp_ops;
2184                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2185                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2186                 ha->nvram_conf_off = ~0;
2187                 ha->nvram_data_off = ~0;
2188         } else if (IS_QLA82XX(ha)) {
2189                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2190                 req_length = REQUEST_ENTRY_CNT_82XX;
2191                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2192                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2193                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2194                 ha->gid_list_info_size = 8;
2195                 ha->optrom_size = OPTROM_SIZE_82XX;
2196                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2197                 ha->isp_ops = &qla82xx_isp_ops;
2198                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2199                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2200                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2201                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2202         }
2203         ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
2204             "mbx_count=%d, req_length=%d, "
2205             "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2206             "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, .\n",
2207             ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
2208             ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2209             ha->nvram_npiv_size);
2210         ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
2211             "isp_ops=%p, flash_conf_off=%d, "
2212             "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
2213             ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
2214             ha->nvram_conf_off, ha->nvram_data_off);
2215         mutex_init(&ha->vport_lock);
2216         init_completion(&ha->mbx_cmd_comp);
2217         complete(&ha->mbx_cmd_comp);
2218         init_completion(&ha->mbx_intr_comp);
2219         init_completion(&ha->dcbx_comp);
2220
2221         set_bit(0, (unsigned long *) ha->vp_idx_map);
2222
2223         qla2x00_config_dma_addressing(ha);
2224         ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
2225             "64 Bit addressing is %s.\n",
2226             ha->flags.enable_64bit_addressing ? "enable" :
2227             "disable");
2228         ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2229         if (!ret) {
2230                 ql_log_pci(ql_log_fatal, pdev, 0x0031,
2231                     "Failed to allocate memory for adapter, aborting.\n");
2232
2233                 goto probe_hw_failed;
2234         }
2235
2236         req->max_q_depth = MAX_Q_DEPTH;
2237         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2238                 req->max_q_depth = ql2xmaxqdepth;
2239
2240
2241         base_vha = qla2x00_create_host(sht, ha);
2242         if (!base_vha) {
2243                 ret = -ENOMEM;
2244                 qla2x00_mem_free(ha);
2245                 qla2x00_free_req_que(ha, req);
2246                 qla2x00_free_rsp_que(ha, rsp);
2247                 goto probe_hw_failed;
2248         }
2249
2250         pci_set_drvdata(pdev, base_vha);
2251
2252         host = base_vha->host;
2253         base_vha->req = req;
2254         host->can_queue = req->length + 128;
2255         if (IS_QLA2XXX_MIDTYPE(ha))
2256                 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2257         else
2258                 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2259                                                 base_vha->vp_idx;
2260
2261         /* Set the SG table size based on ISP type */
2262         if (!IS_FWI2_CAPABLE(ha)) {
2263                 if (IS_QLA2100(ha))
2264                         host->sg_tablesize = 32;
2265         } else {
2266                 if (!IS_QLA82XX(ha))
2267                         host->sg_tablesize = QLA_SG_ALL;
2268         }
2269         ql_dbg(ql_dbg_init, base_vha, 0x0032,
2270             "can_queue=%d, req=%p, "
2271             "mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
2272             host->can_queue, base_vha->req,
2273             base_vha->mgmt_svr_loop_id, host->sg_tablesize);
2274         host->max_id = max_id;
2275         host->this_id = 255;
2276         host->cmd_per_lun = 3;
2277         host->unique_id = host->host_no;
2278         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
2279                 host->max_cmd_len = 32;
2280         else
2281                 host->max_cmd_len = MAX_CMDSZ;
2282         host->max_channel = MAX_BUSES - 1;
2283         host->max_lun = ql2xmaxlun;
2284         host->transportt = qla2xxx_transport_template;
2285         sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2286
2287         ql_dbg(ql_dbg_init, base_vha, 0x0033,
2288             "max_id=%d this_id=%d "
2289             "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
2290             "max_lun=%d transportt=%p, vendor_id=%d.\n", host->max_id,
2291             host->this_id, host->cmd_per_lun, host->unique_id,
2292             host->max_cmd_len, host->max_channel, host->max_lun,
2293             host->transportt, sht->vendor_id);
2294
2295         /* Set up the irqs */
2296         ret = qla2x00_request_irqs(ha, rsp);
2297         if (ret)
2298                 goto probe_init_failed;
2299
2300         pci_save_state(pdev);
2301
2302         /* Alloc arrays of request and response ring ptrs */
2303 que_init:
2304         if (!qla2x00_alloc_queues(ha)) {
2305                 ql_log(ql_log_fatal, base_vha, 0x003d,
2306                     "Failed to allocate memory for queue pointers.. aborting.\n");
2307                 goto probe_init_failed;
2308         }
2309
2310         ha->rsp_q_map[0] = rsp;
2311         ha->req_q_map[0] = req;
2312         rsp->req = req;
2313         req->rsp = rsp;
2314         set_bit(0, ha->req_qid_map);
2315         set_bit(0, ha->rsp_qid_map);
2316         /* FWI2-capable only. */
2317         req->req_q_in = &ha->iobase->isp24.req_q_in;
2318         req->req_q_out = &ha->iobase->isp24.req_q_out;
2319         rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2320         rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2321         if (ha->mqenable) {
2322                 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2323                 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2324                 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2325                 rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
2326         }
2327
2328         if (IS_QLA82XX(ha)) {
2329                 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2330                 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2331                 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2332         }
2333
2334         ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
2335             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2336             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2337         ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
2338             "req->req_q_in=%p req->req_q_out=%p "
2339             "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2340             req->req_q_in, req->req_q_out,
2341             rsp->rsp_q_in, rsp->rsp_q_out);
2342         ql_dbg(ql_dbg_init, base_vha, 0x003e,
2343             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2344             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2345         ql_dbg(ql_dbg_init, base_vha, 0x003f,
2346             "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2347             req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
2348
2349         if (qla2x00_initialize_adapter(base_vha)) {
2350                 ql_log(ql_log_fatal, base_vha, 0x00d6,
2351                     "Failed to initialize adapter - Adapter flags %x.\n",
2352                     base_vha->device_flags);
2353
2354                 if (IS_QLA82XX(ha)) {
2355                         qla82xx_idc_lock(ha);
2356                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2357                                 QLA82XX_DEV_FAILED);
2358                         qla82xx_idc_unlock(ha);
2359                         ql_log(ql_log_fatal, base_vha, 0x00d7,
2360                             "HW State: FAILED.\n");
2361                 }
2362
2363                 ret = -ENODEV;
2364                 goto probe_failed;
2365         }
2366
2367         if (ha->mqenable) {
2368                 if (qla25xx_setup_mode(base_vha)) {
2369                         ql_log(ql_log_warn, base_vha, 0x00ec,
2370                             "Failed to create queues, falling back to single queue mode.\n");
2371                         goto que_init;
2372                 }
2373         }
2374
2375         if (ha->flags.running_gold_fw)
2376                 goto skip_dpc;
2377
2378         /*
2379          * Startup the kernel thread for this host adapter
2380          */
2381         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2382             "%s_dpc", base_vha->host_str);
2383         if (IS_ERR(ha->dpc_thread)) {
2384                 ql_log(ql_log_fatal, base_vha, 0x00ed,
2385                     "Failed to start DPC thread.\n");
2386                 ret = PTR_ERR(ha->dpc_thread);
2387                 goto probe_failed;
2388         }
2389         ql_dbg(ql_dbg_init, base_vha, 0x00ee,
2390             "DPC thread started successfully.\n");
2391
2392 skip_dpc:
2393         list_add_tail(&base_vha->list, &ha->vp_list);
2394         base_vha->host->irq = ha->pdev->irq;
2395
2396         /* Initialized the timer */
2397         qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2398         ql_dbg(ql_dbg_init, base_vha, 0x00ef,
2399             "Started qla2x00_timer with "
2400             "interval=%d.\n", WATCH_INTERVAL);
2401         ql_dbg(ql_dbg_init, base_vha, 0x00f0,
2402             "Detected hba at address=%p.\n",
2403             ha);
2404
2405         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2406                 if (ha->fw_attributes & BIT_4) {
2407                         int prot = 0;
2408                         base_vha->flags.difdix_supported = 1;
2409                         ql_dbg(ql_dbg_init, base_vha, 0x00f1,
2410                             "Registering for DIF/DIX type 1 and 3 protection.\n");
2411                         if (ql2xenabledif == 1)
2412                                 prot = SHOST_DIX_TYPE0_PROTECTION;
2413                         scsi_host_set_prot(host,
2414                             prot | SHOST_DIF_TYPE1_PROTECTION
2415                             | SHOST_DIF_TYPE2_PROTECTION
2416                             | SHOST_DIF_TYPE3_PROTECTION
2417                             | SHOST_DIX_TYPE1_PROTECTION
2418                             | SHOST_DIX_TYPE2_PROTECTION
2419                             | SHOST_DIX_TYPE3_PROTECTION);
2420                         scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2421                 } else
2422                         base_vha->flags.difdix_supported = 0;
2423         }
2424
2425         ha->isp_ops->enable_intrs(ha);
2426
2427         ret = scsi_add_host(host, &pdev->dev);
2428         if (ret)
2429                 goto probe_failed;
2430
2431         base_vha->flags.init_done = 1;
2432         base_vha->flags.online = 1;
2433
2434         ql_dbg(ql_dbg_init, base_vha, 0x00f2,
2435             "Init done and hba is online.\n");
2436
2437         scsi_scan_host(host);
2438
2439         qla2x00_alloc_sysfs_attr(base_vha);
2440
2441         qla2x00_init_host_attr(base_vha);
2442
2443         qla2x00_dfs_setup(base_vha);
2444
2445         ql_log(ql_log_info, base_vha, 0x00fa,
2446             "QLogic Fibre Channed HBA Driver: %s.\n",
2447             qla2x00_version_str);
2448         ql_log(ql_log_info, base_vha, 0x00fb,
2449             "QLogic %s - %s.\n",
2450             ha->model_number, ha->model_desc ? ha->model_desc : "");
2451         ql_log(ql_log_info, base_vha, 0x00fc,
2452             "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
2453             pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
2454             pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
2455             base_vha->host_no,
2456             ha->isp_ops->fw_version_str(base_vha, fw_str));
2457
2458         return 0;
2459
2460 probe_init_failed:
2461         qla2x00_free_req_que(ha, req);
2462         qla2x00_free_rsp_que(ha, rsp);
2463         ha->max_req_queues = ha->max_rsp_queues = 0;
2464
2465 probe_failed:
2466         if (base_vha->timer_active)
2467                 qla2x00_stop_timer(base_vha);
2468         base_vha->flags.online = 0;
2469         if (ha->dpc_thread) {
2470                 struct task_struct *t = ha->dpc_thread;
2471
2472                 ha->dpc_thread = NULL;
2473                 kthread_stop(t);
2474         }
2475
2476         qla2x00_free_device(base_vha);
2477
2478         scsi_host_put(base_vha->host);
2479
2480 probe_hw_failed:
2481         if (IS_QLA82XX(ha)) {
2482                 qla82xx_idc_lock(ha);
2483                 qla82xx_clear_drv_active(ha);
2484                 qla82xx_idc_unlock(ha);
2485                 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2486                 if (!ql2xdbwr)
2487                         iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2488         } else {
2489                 if (ha->iobase)
2490                         iounmap(ha->iobase);
2491         }
2492         pci_release_selected_regions(ha->pdev, ha->bars);
2493         kfree(ha);
2494         ha = NULL;
2495
2496 probe_out:
2497         pci_disable_device(pdev);
2498         return ret;
2499 }
2500
2501 static void
2502 qla2x00_shutdown(struct pci_dev *pdev)
2503 {
2504         scsi_qla_host_t *vha;
2505         struct qla_hw_data  *ha;
2506
2507         vha = pci_get_drvdata(pdev);
2508         ha = vha->hw;
2509
2510         /* Turn-off FCE trace */
2511         if (ha->flags.fce_enabled) {
2512                 qla2x00_disable_fce_trace(vha, NULL, NULL);
2513                 ha->flags.fce_enabled = 0;
2514         }
2515
2516         /* Turn-off EFT trace */
2517         if (ha->eft)
2518                 qla2x00_disable_eft_trace(vha);
2519
2520         /* Stop currently executing firmware. */
2521         qla2x00_try_to_stop_firmware(vha);
2522
2523         /* Turn adapter off line */
2524         vha->flags.online = 0;
2525
2526         /* turn-off interrupts on the card */
2527         if (ha->interrupts_on) {
2528                 vha->flags.init_done = 0;
2529                 ha->isp_ops->disable_intrs(ha);
2530         }
2531
2532         qla2x00_free_irqs(vha);
2533
2534         qla2x00_free_fw_dump(ha);
2535 }
2536
2537 static void
2538 qla2x00_remove_one(struct pci_dev *pdev)
2539 {
2540         scsi_qla_host_t *base_vha, *vha;
2541         struct qla_hw_data  *ha;
2542         unsigned long flags;
2543
2544         base_vha = pci_get_drvdata(pdev);
2545         ha = base_vha->hw;
2546
2547         mutex_lock(&ha->vport_lock);
2548         while (ha->cur_vport_count) {
2549                 struct Scsi_Host *scsi_host;
2550
2551                 spin_lock_irqsave(&ha->vport_slock, flags);
2552
2553                 BUG_ON(base_vha->list.next == &ha->vp_list);
2554                 /* This assumes first entry in ha->vp_list is always base vha */
2555                 vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
2556                 scsi_host = scsi_host_get(vha->host);
2557
2558                 spin_unlock_irqrestore(&ha->vport_slock, flags);
2559                 mutex_unlock(&ha->vport_lock);
2560
2561                 fc_vport_terminate(vha->fc_vport);
2562                 scsi_host_put(vha->host);
2563
2564                 mutex_lock(&ha->vport_lock);
2565         }
2566         mutex_unlock(&ha->vport_lock);
2567
2568         set_bit(UNLOADING, &base_vha->dpc_flags);
2569
2570         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2571
2572         qla2x00_dfs_remove(base_vha);
2573
2574         qla84xx_put_chip(base_vha);
2575
2576         /* Disable timer */
2577         if (base_vha->timer_active)
2578                 qla2x00_stop_timer(base_vha);
2579
2580         base_vha->flags.online = 0;
2581
2582         /* Flush the work queue and remove it */
2583         if (ha->wq) {
2584                 flush_workqueue(ha->wq);
2585                 destroy_workqueue(ha->wq);
2586                 ha->wq = NULL;
2587         }
2588
2589         /* Kill the kernel thread for this host */
2590         if (ha->dpc_thread) {
2591                 struct task_struct *t = ha->dpc_thread;
2592
2593                 /*
2594                  * qla2xxx_wake_dpc checks for ->dpc_thread
2595                  * so we need to zero it out.
2596                  */
2597                 ha->dpc_thread = NULL;
2598                 kthread_stop(t);
2599         }
2600
2601         qla2x00_free_sysfs_attr(base_vha);
2602
2603         fc_remove_host(base_vha->host);
2604
2605         scsi_remove_host(base_vha->host);
2606
2607         qla2x00_free_device(base_vha);
2608
2609         scsi_host_put(base_vha->host);
2610
2611         if (IS_QLA82XX(ha)) {
2612                 qla82xx_idc_lock(ha);
2613                 qla82xx_clear_drv_active(ha);
2614                 qla82xx_idc_unlock(ha);
2615
2616                 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2617                 if (!ql2xdbwr)
2618                         iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2619         } else {
2620                 if (ha->iobase)
2621                         iounmap(ha->iobase);
2622
2623                 if (ha->mqiobase)
2624                         iounmap(ha->mqiobase);
2625         }
2626
2627         pci_release_selected_regions(ha->pdev, ha->bars);
2628         kfree(ha);
2629         ha = NULL;
2630
2631         pci_disable_pcie_error_reporting(pdev);
2632
2633         pci_disable_device(pdev);
2634         pci_set_drvdata(pdev, NULL);
2635 }
2636
2637 static void
2638 qla2x00_free_device(scsi_qla_host_t *vha)
2639 {
2640         struct qla_hw_data *ha = vha->hw;
2641
2642         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2643
2644         /* Disable timer */
2645         if (vha->timer_active)
2646                 qla2x00_stop_timer(vha);
2647
2648         /* Kill the kernel thread for this host */
2649         if (ha->dpc_thread) {
2650                 struct task_struct *t = ha->dpc_thread;
2651
2652                 /*
2653                  * qla2xxx_wake_dpc checks for ->dpc_thread
2654                  * so we need to zero it out.
2655                  */
2656                 ha->dpc_thread = NULL;
2657                 kthread_stop(t);
2658         }
2659
2660         qla25xx_delete_queues(vha);
2661
2662         if (ha->flags.fce_enabled)
2663                 qla2x00_disable_fce_trace(vha, NULL, NULL);
2664
2665         if (ha->eft)
2666                 qla2x00_disable_eft_trace(vha);
2667
2668         /* Stop currently executing firmware. */
2669         qla2x00_try_to_stop_firmware(vha);
2670
2671         vha->flags.online = 0;
2672
2673         /* turn-off interrupts on the card */
2674         if (ha->interrupts_on) {
2675                 vha->flags.init_done = 0;
2676                 ha->isp_ops->disable_intrs(ha);
2677         }
2678
2679         qla2x00_free_irqs(vha);
2680
2681         qla2x00_free_fcports(vha);
2682
2683         qla2x00_mem_free(ha);
2684
2685         qla82xx_md_free(vha);
2686
2687         qla2x00_free_queues(ha);
2688 }
2689
2690 void qla2x00_free_fcports(struct scsi_qla_host *vha)
2691 {
2692         fc_port_t *fcport, *tfcport;
2693
2694         list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
2695                 list_del(&fcport->list);
2696                 kfree(fcport);
2697                 fcport = NULL;
2698         }
2699 }
2700
2701 static inline void
2702 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2703     int defer)
2704 {
2705         struct fc_rport *rport;
2706         scsi_qla_host_t *base_vha;
2707         unsigned long flags;
2708
2709         if (!fcport->rport)
2710                 return;
2711
2712         rport = fcport->rport;
2713         if (defer) {
2714                 base_vha = pci_get_drvdata(vha->hw->pdev);
2715                 spin_lock_irqsave(vha->host->host_lock, flags);
2716                 fcport->drport = rport;
2717                 spin_unlock_irqrestore(vha->host->host_lock, flags);
2718                 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2719                 qla2xxx_wake_dpc(base_vha);
2720         } else
2721                 fc_remote_port_delete(rport);
2722 }
2723
2724 /*
2725  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2726  *
2727  * Input: ha = adapter block pointer.  fcport = port structure pointer.
2728  *
2729  * Return: None.
2730  *
2731  * Context:
2732  */
2733 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2734     int do_login, int defer)
2735 {
2736         if (atomic_read(&fcport->state) == FCS_ONLINE &&
2737             vha->vp_idx == fcport->vp_idx) {
2738                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2739                 qla2x00_schedule_rport_del(vha, fcport, defer);
2740         }
2741         /*
2742          * We may need to retry the login, so don't change the state of the
2743          * port but do the retries.
2744          */
2745         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2746                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2747
2748         if (!do_login)
2749                 return;
2750
2751         if (fcport->login_retry == 0) {
2752                 fcport->login_retry = vha->hw->login_retry_count;
2753                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2754
2755                 ql_dbg(ql_dbg_disc, vha, 0x2067,
2756                     "Port login retry "
2757                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
2758                     "id = 0x%04x retry cnt=%d.\n",
2759                     fcport->port_name[0], fcport->port_name[1],
2760                     fcport->port_name[2], fcport->port_name[3],
2761                     fcport->port_name[4], fcport->port_name[5],
2762                     fcport->port_name[6], fcport->port_name[7],
2763                     fcport->loop_id, fcport->login_retry);
2764         }
2765 }
2766
2767 /*
2768  * qla2x00_mark_all_devices_lost
2769  *      Updates fcport state when device goes offline.
2770  *
2771  * Input:
2772  *      ha = adapter block pointer.
2773  *      fcport = port structure pointer.
2774  *
2775  * Return:
2776  *      None.
2777  *
2778  * Context:
2779  */
2780 void
2781 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2782 {
2783         fc_port_t *fcport;
2784
2785         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2786                 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2787                         continue;
2788
2789                 /*
2790                  * No point in marking the device as lost, if the device is
2791                  * already DEAD.
2792                  */
2793                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2794                         continue;
2795                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2796                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2797                         if (defer)
2798                                 qla2x00_schedule_rport_del(vha, fcport, defer);
2799                         else if (vha->vp_idx == fcport->vp_idx)
2800                                 qla2x00_schedule_rport_del(vha, fcport, defer);
2801                 }
2802         }
2803 }
2804
2805 /*
2806 * qla2x00_mem_alloc
2807 *      Allocates adapter memory.
2808 *
2809 * Returns:
2810 *      0  = success.
2811 *      !0  = failure.
2812 */
2813 static int
2814 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2815         struct req_que **req, struct rsp_que **rsp)
2816 {
2817         char    name[16];
2818
2819         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2820                 &ha->init_cb_dma, GFP_KERNEL);
2821         if (!ha->init_cb)
2822                 goto fail;
2823
2824         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2825                 &ha->gid_list_dma, GFP_KERNEL);
2826         if (!ha->gid_list)
2827                 goto fail_free_init_cb;
2828
2829         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2830         if (!ha->srb_mempool)
2831                 goto fail_free_gid_list;
2832
2833         if (IS_QLA82XX(ha)) {
2834                 /* Allocate cache for CT6 Ctx. */
2835                 if (!ctx_cachep) {
2836                         ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2837                                 sizeof(struct ct6_dsd), 0,
2838                                 SLAB_HWCACHE_ALIGN, NULL);
2839                         if (!ctx_cachep)
2840                                 goto fail_free_gid_list;
2841                 }
2842                 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2843                         ctx_cachep);
2844                 if (!ha->ctx_mempool)
2845                         goto fail_free_srb_mempool;
2846                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
2847                     "ctx_cachep=%p ctx_mempool=%p.\n",
2848                     ctx_cachep, ha->ctx_mempool);
2849         }
2850
2851         /* Get memory for cached NVRAM */
2852         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2853         if (!ha->nvram)
2854                 goto fail_free_ctx_mempool;
2855
2856         snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2857                 ha->pdev->device);
2858         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2859                 DMA_POOL_SIZE, 8, 0);
2860         if (!ha->s_dma_pool)
2861                 goto fail_free_nvram;
2862
2863         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
2864             "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
2865             ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
2866
2867         if (IS_QLA82XX(ha) || ql2xenabledif) {
2868                 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2869                         DSD_LIST_DMA_POOL_SIZE, 8, 0);
2870                 if (!ha->dl_dma_pool) {
2871                         ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
2872                             "Failed to allocate memory for dl_dma_pool.\n");
2873                         goto fail_s_dma_pool;
2874                 }
2875
2876                 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2877                         FCP_CMND_DMA_POOL_SIZE, 8, 0);
2878                 if (!ha->fcp_cmnd_dma_pool) {
2879                         ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
2880                             "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
2881                         goto fail_dl_dma_pool;
2882                 }
2883                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
2884                     "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
2885                     ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
2886         }
2887
2888         /* Allocate memory for SNS commands */
2889         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2890         /* Get consistent memory allocated for SNS commands */
2891                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2892                 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2893                 if (!ha->sns_cmd)
2894                         goto fail_dma_pool;
2895                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
2896                     "sns_cmd.\n", ha->sns_cmd);
2897         } else {
2898         /* Get consistent memory allocated for MS IOCB */
2899                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2900                         &ha->ms_iocb_dma);
2901                 if (!ha->ms_iocb)
2902                         goto fail_dma_pool;
2903         /* Get consistent memory allocated for CT SNS commands */
2904                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2905                         sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2906                 if (!ha->ct_sns)
2907                         goto fail_free_ms_iocb;
2908                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
2909                     "ms_iocb=%p ct_sns=%p.\n",
2910                     ha->ms_iocb, ha->ct_sns);
2911         }
2912
2913         /* Allocate memory for request ring */
2914         *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2915         if (!*req) {
2916                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
2917                     "Failed to allocate memory for req.\n");
2918                 goto fail_req;
2919         }
2920         (*req)->length = req_len;
2921         (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2922                 ((*req)->length + 1) * sizeof(request_t),
2923                 &(*req)->dma, GFP_KERNEL);
2924         if (!(*req)->ring) {
2925                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
2926                     "Failed to allocate memory for req_ring.\n");
2927                 goto fail_req_ring;
2928         }
2929         /* Allocate memory for response ring */
2930         *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2931         if (!*rsp) {
2932                 ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
2933                     "Failed to allocate memory for rsp.\n");
2934                 goto fail_rsp;
2935         }
2936         (*rsp)->hw = ha;
2937         (*rsp)->length = rsp_len;
2938         (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2939                 ((*rsp)->length + 1) * sizeof(response_t),
2940                 &(*rsp)->dma, GFP_KERNEL);
2941         if (!(*rsp)->ring) {
2942                 ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
2943                     "Failed to allocate memory for rsp_ring.\n");
2944                 goto fail_rsp_ring;
2945         }
2946         (*req)->rsp = *rsp;
2947         (*rsp)->req = *req;
2948         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
2949             "req=%p req->length=%d req->ring=%p rsp=%p "
2950             "rsp->length=%d rsp->ring=%p.\n",
2951             *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
2952             (*rsp)->ring);
2953         /* Allocate memory for NVRAM data for vports */
2954         if (ha->nvram_npiv_size) {
2955                 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2956                     ha->nvram_npiv_size, GFP_KERNEL);
2957                 if (!ha->npiv_info) {
2958                         ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
2959                             "Failed to allocate memory for npiv_info.\n");
2960                         goto fail_npiv_info;
2961                 }
2962         } else
2963                 ha->npiv_info = NULL;
2964
2965         /* Get consistent memory allocated for EX-INIT-CB. */
2966         if (IS_QLA8XXX_TYPE(ha)) {
2967                 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2968                     &ha->ex_init_cb_dma);
2969                 if (!ha->ex_init_cb)
2970                         goto fail_ex_init_cb;
2971                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
2972                     "ex_init_cb=%p.\n", ha->ex_init_cb);
2973         }
2974
2975         INIT_LIST_HEAD(&ha->gbl_dsd_list);
2976
2977         /* Get consistent memory allocated for Async Port-Database. */
2978         if (!IS_FWI2_CAPABLE(ha)) {
2979                 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2980                         &ha->async_pd_dma);
2981                 if (!ha->async_pd)
2982                         goto fail_async_pd;
2983                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
2984                     "async_pd=%p.\n", ha->async_pd);
2985         }
2986
2987         INIT_LIST_HEAD(&ha->vp_list);
2988         return 1;
2989
2990 fail_async_pd:
2991         dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2992 fail_ex_init_cb:
2993         kfree(ha->npiv_info);
2994 fail_npiv_info:
2995         dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2996                 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2997         (*rsp)->ring = NULL;
2998         (*rsp)->dma = 0;
2999 fail_rsp_ring:
3000         kfree(*rsp);
3001 fail_rsp:
3002         dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
3003                 sizeof(request_t), (*req)->ring, (*req)->dma);
3004         (*req)->ring = NULL;
3005         (*req)->dma = 0;
3006 fail_req_ring:
3007         kfree(*req);
3008 fail_req:
3009         dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3010                 ha->ct_sns, ha->ct_sns_dma);
3011         ha->ct_sns = NULL;
3012         ha->ct_sns_dma = 0;
3013 fail_free_ms_iocb:
3014         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3015         ha->ms_iocb = NULL;
3016         ha->ms_iocb_dma = 0;
3017 fail_dma_pool:
3018         if (IS_QLA82XX(ha) || ql2xenabledif) {
3019                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3020                 ha->fcp_cmnd_dma_pool = NULL;
3021         }
3022 fail_dl_dma_pool:
3023         if (IS_QLA82XX(ha) || ql2xenabledif) {
3024                 dma_pool_destroy(ha->dl_dma_pool);
3025                 ha->dl_dma_pool = NULL;
3026         }
3027 fail_s_dma_pool:
3028         dma_pool_destroy(ha->s_dma_pool);
3029         ha->s_dma_pool = NULL;
3030 fail_free_nvram:
3031         kfree(ha->nvram);
3032         ha->nvram = NULL;
3033 fail_free_ctx_mempool:
3034         mempool_destroy(ha->ctx_mempool);
3035         ha->ctx_mempool = NULL;
3036 fail_free_srb_mempool:
3037         mempool_destroy(ha->srb_mempool);
3038         ha->srb_mempool = NULL;
3039 fail_free_gid_list:
3040         dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
3041         ha->gid_list_dma);
3042         ha->gid_list = NULL;
3043         ha->gid_list_dma = 0;
3044 fail_free_init_cb:
3045         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
3046         ha->init_cb_dma);
3047         ha->init_cb = NULL;
3048         ha->init_cb_dma = 0;
3049 fail:
3050         ql_log(ql_log_fatal, NULL, 0x0030,
3051             "Memory allocation failure.\n");
3052         return -ENOMEM;
3053 }
3054
3055 /*
3056 * qla2x00_free_fw_dump
3057 *       Frees fw dump stuff.
3058 *
3059 * Input:
3060 *       ha = adapter block pointer.
3061 */
3062 static void
3063 qla2x00_free_fw_dump(struct qla_hw_data *ha)
3064 {
3065         if (ha->fce)
3066                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
3067                     ha->fce_dma);
3068
3069         if (ha->fw_dump) {
3070                 if (ha->eft)
3071                         dma_free_coherent(&ha->pdev->dev,
3072                             ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
3073                 vfree(ha->fw_dump);
3074         }
3075         ha->fce = NULL;
3076         ha->fce_dma = 0;
3077         ha->eft = NULL;
3078         ha->eft_dma = 0;
3079         ha->fw_dump = NULL;
3080         ha->fw_dumped = 0;
3081         ha->fw_dump_reading = 0;
3082 }
3083
3084 /*
3085 * qla2x00_mem_free
3086 *      Frees all adapter allocated memory.
3087 *
3088 * Input:
3089 *      ha = adapter block pointer.
3090 */
3091 static void
3092 qla2x00_mem_free(struct qla_hw_data *ha)
3093 {
3094         qla2x00_free_fw_dump(ha);
3095
3096         if (ha->srb_mempool)
3097                 mempool_destroy(ha->srb_mempool);
3098
3099         if (ha->dcbx_tlv)
3100                 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
3101                     ha->dcbx_tlv, ha->dcbx_tlv_dma);
3102
3103         if (ha->xgmac_data)
3104                 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
3105                     ha->xgmac_data, ha->xgmac_data_dma);
3106
3107         if (ha->sns_cmd)
3108                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
3109                 ha->sns_cmd, ha->sns_cmd_dma);
3110
3111         if (ha->ct_sns)
3112                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3113                 ha->ct_sns, ha->ct_sns_dma);
3114
3115         if (ha->sfp_data)
3116                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
3117
3118         if (ha->edc_data)
3119                 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
3120
3121         if (ha->ms_iocb)
3122                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3123
3124         if (ha->ex_init_cb)
3125                 dma_pool_free(ha->s_dma_pool,
3126                         ha->ex_init_cb, ha->ex_init_cb_dma);
3127
3128         if (ha->async_pd)
3129                 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
3130
3131         if (ha->s_dma_pool)
3132                 dma_pool_destroy(ha->s_dma_pool);
3133
3134         if (ha->gid_list)
3135                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
3136                 ha->gid_list_dma);
3137
3138         if (IS_QLA82XX(ha)) {
3139                 if (!list_empty(&ha->gbl_dsd_list)) {
3140                         struct dsd_dma *dsd_ptr, *tdsd_ptr;
3141
3142                         /* clean up allocated prev pool */
3143                         list_for_each_entry_safe(dsd_ptr,
3144                                 tdsd_ptr, &ha->gbl_dsd_list, list) {
3145                                 dma_pool_free(ha->dl_dma_pool,
3146                                 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
3147                                 list_del(&dsd_ptr->list);
3148                                 kfree(dsd_ptr);
3149                         }
3150                 }
3151         }
3152
3153         if (ha->dl_dma_pool)
3154                 dma_pool_destroy(ha->dl_dma_pool);
3155
3156         if (ha->fcp_cmnd_dma_pool)
3157                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3158
3159         if (ha->ctx_mempool)
3160                 mempool_destroy(ha->ctx_mempool);
3161
3162         if (ha->init_cb)
3163                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
3164                         ha->init_cb, ha->init_cb_dma);
3165         vfree(ha->optrom_buffer);
3166         kfree(ha->nvram);
3167         kfree(ha->npiv_info);
3168
3169         ha->srb_mempool = NULL;
3170         ha->ctx_mempool = NULL;
3171         ha->sns_cmd = NULL;
3172         ha->sns_cmd_dma = 0;
3173         ha->ct_sns = NULL;
3174         ha->ct_sns_dma = 0;
3175         ha->ms_iocb = NULL;
3176         ha->ms_iocb_dma = 0;
3177         ha->init_cb = NULL;
3178         ha->init_cb_dma = 0;
3179         ha->ex_init_cb = NULL;
3180         ha->ex_init_cb_dma = 0;
3181         ha->async_pd = NULL;
3182         ha->async_pd_dma = 0;
3183
3184         ha->s_dma_pool = NULL;
3185         ha->dl_dma_pool = NULL;
3186         ha->fcp_cmnd_dma_pool = NULL;
3187
3188         ha->gid_list = NULL;
3189         ha->gid_list_dma = 0;
3190 }
3191
3192 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
3193                                                 struct qla_hw_data *ha)
3194 {
3195         struct Scsi_Host *host;
3196         struct scsi_qla_host *vha = NULL;
3197
3198         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
3199         if (host == NULL) {
3200                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
3201                     "Failed to allocate host from the scsi layer, aborting.\n");
3202                 goto fail;
3203         }
3204
3205         /* Clear our data area */
3206         vha = shost_priv(host);
3207         memset(vha, 0, sizeof(scsi_qla_host_t));
3208
3209         vha->host = host;
3210         vha->host_no = host->host_no;
3211         vha->hw = ha;
3212
3213         INIT_LIST_HEAD(&vha->vp_fcports);
3214         INIT_LIST_HEAD(&vha->work_list);
3215         INIT_LIST_HEAD(&vha->list);
3216
3217         spin_lock_init(&vha->work_lock);
3218
3219         sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
3220         ql_dbg(ql_dbg_init, vha, 0x0041,
3221             "Allocated the host=%p hw=%p vha=%p dev_name=%s",
3222             vha->host, vha->hw, vha,
3223             dev_name(&(ha->pdev->dev)));
3224
3225         return vha;
3226
3227 fail:
3228         return vha;
3229 }
3230
3231 static struct qla_work_evt *
3232 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
3233 {
3234         struct qla_work_evt *e;
3235         uint8_t bail;
3236
3237         QLA_VHA_MARK_BUSY(vha, bail);
3238         if (bail)
3239                 return NULL;
3240
3241         e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
3242         if (!e) {
3243                 QLA_VHA_MARK_NOT_BUSY(vha);
3244                 return NULL;
3245         }
3246
3247         INIT_LIST_HEAD(&e->list);
3248         e->type = type;
3249         e->flags = QLA_EVT_FLAG_FREE;
3250         return e;
3251 }
3252
3253 static int
3254 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3255 {
3256         unsigned long flags;
3257
3258         spin_lock_irqsave(&vha->work_lock, flags);
3259         list_add_tail(&e->list, &vha->work_list);
3260         spin_unlock_irqrestore(&vha->work_lock, flags);
3261         qla2xxx_wake_dpc(vha);
3262
3263         return QLA_SUCCESS;
3264 }
3265
3266 int
3267 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3268     u32 data)
3269 {
3270         struct qla_work_evt *e;
3271
3272         e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3273         if (!e)
3274                 return QLA_FUNCTION_FAILED;
3275
3276         e->u.aen.code = code;
3277         e->u.aen.data = data;
3278         return qla2x00_post_work(vha, e);
3279 }
3280
3281 int
3282 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3283 {
3284         struct qla_work_evt *e;
3285
3286         e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3287         if (!e)
3288                 return QLA_FUNCTION_FAILED;
3289
3290         memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3291         return qla2x00_post_work(vha, e);
3292 }
3293
3294 #define qla2x00_post_async_work(name, type)     \
3295 int qla2x00_post_async_##name##_work(           \
3296     struct scsi_qla_host *vha,                  \
3297     fc_port_t *fcport, uint16_t *data)          \
3298 {                                               \
3299         struct qla_work_evt *e;                 \
3300                                                 \
3301         e = qla2x00_alloc_work(vha, type);      \
3302         if (!e)                                 \
3303                 return QLA_FUNCTION_FAILED;     \
3304                                                 \
3305         e->u.logio.fcport = fcport;             \
3306         if (data) {                             \
3307                 e->u.logio.data[0] = data[0];   \
3308                 e->u.logio.data[1] = data[1];   \
3309         }                                       \
3310         return qla2x00_post_work(vha, e);       \
3311 }
3312
3313 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3314 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3315 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3316 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3317 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3318 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3319
3320 int
3321 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3322 {
3323         struct qla_work_evt *e;
3324
3325         e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3326         if (!e)
3327                 return QLA_FUNCTION_FAILED;
3328
3329         e->u.uevent.code = code;
3330         return qla2x00_post_work(vha, e);
3331 }
3332
3333 static void
3334 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3335 {
3336         char event_string[40];
3337         char *envp[] = { event_string, NULL };
3338
3339         switch (code) {
3340         case QLA_UEVENT_CODE_FW_DUMP:
3341                 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3342                     vha->host_no);
3343                 break;
3344         default:
3345                 /* do nothing */
3346                 break;
3347         }
3348         kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3349 }
3350
3351 void
3352 qla2x00_do_work(struct scsi_qla_host *vha)
3353 {
3354         struct qla_work_evt *e, *tmp;
3355         unsigned long flags;
3356         LIST_HEAD(work);
3357
3358         spin_lock_irqsave(&vha->work_lock, flags);
3359         list_splice_init(&vha->work_list, &work);
3360         spin_unlock_irqrestore(&vha->work_lock, flags);
3361
3362         list_for_each_entry_safe(e, tmp, &work, list) {
3363                 list_del_init(&e->list);
3364
3365                 switch (e->type) {
3366                 case QLA_EVT_AEN:
3367                         fc_host_post_event(vha->host, fc_get_event_number(),
3368                             e->u.aen.code, e->u.aen.data);
3369                         break;
3370                 case QLA_EVT_IDC_ACK:
3371                         qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3372                         break;
3373                 case QLA_EVT_ASYNC_LOGIN:
3374                         qla2x00_async_login(vha, e->u.logio.fcport,
3375                             e->u.logio.data);
3376                         break;
3377                 case QLA_EVT_ASYNC_LOGIN_DONE:
3378                         qla2x00_async_login_done(vha, e->u.logio.fcport,
3379                             e->u.logio.data);
3380                         break;
3381                 case QLA_EVT_ASYNC_LOGOUT:
3382                         qla2x00_async_logout(vha, e->u.logio.fcport);
3383                         break;
3384                 case QLA_EVT_ASYNC_LOGOUT_DONE:
3385                         qla2x00_async_logout_done(vha, e->u.logio.fcport,
3386                             e->u.logio.data);
3387                         break;
3388                 case QLA_EVT_ASYNC_ADISC:
3389                         qla2x00_async_adisc(vha, e->u.logio.fcport,
3390                             e->u.logio.data);
3391                         break;
3392                 case QLA_EVT_ASYNC_ADISC_DONE:
3393                         qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3394                             e->u.logio.data);
3395                         break;
3396                 case QLA_EVT_UEVENT:
3397                         qla2x00_uevent_emit(vha, e->u.uevent.code);
3398                         break;
3399                 }
3400                 if (e->flags & QLA_EVT_FLAG_FREE)
3401                         kfree(e);
3402
3403                 /* For each work completed decrement vha ref count */
3404                 QLA_VHA_MARK_NOT_BUSY(vha);
3405         }
3406 }
3407
3408 /* Relogins all the fcports of a vport
3409  * Context: dpc thread
3410  */
3411 void qla2x00_relogin(struct scsi_qla_host *vha)
3412 {
3413         fc_port_t       *fcport;
3414         int status;
3415         uint16_t        next_loopid = 0;
3416         struct qla_hw_data *ha = vha->hw;
3417         uint16_t data[2];
3418
3419         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3420         /*
3421          * If the port is not ONLINE then try to login
3422          * to it if we haven't run out of retries.
3423          */
3424                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3425                     fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3426                         fcport->login_retry--;
3427                         if (fcport->flags & FCF_FABRIC_DEVICE) {
3428                                 if (fcport->flags & FCF_FCP2_DEVICE)
3429                                         ha->isp_ops->fabric_logout(vha,
3430                                                         fcport->loop_id,
3431                                                         fcport->d_id.b.domain,
3432                                                         fcport->d_id.b.area,
3433                                                         fcport->d_id.b.al_pa);
3434
3435                                 if (fcport->loop_id == FC_NO_LOOP_ID) {
3436                                         fcport->loop_id = next_loopid =
3437                                             ha->min_external_loopid;
3438                                         status = qla2x00_find_new_loop_id(
3439                                             vha, fcport);
3440                                         if (status != QLA_SUCCESS) {
3441                                                 /* Ran out of IDs to use */
3442                                                 break;
3443                                         }
3444                                 }
3445
3446                                 if (IS_ALOGIO_CAPABLE(ha)) {
3447                                         fcport->flags |= FCF_ASYNC_SENT;
3448                                         data[0] = 0;
3449                                         data[1] = QLA_LOGIO_LOGIN_RETRIED;
3450                                         status = qla2x00_post_async_login_work(
3451                                             vha, fcport, data);
3452                                         if (status == QLA_SUCCESS)
3453                                                 continue;
3454                                         /* Attempt a retry. */
3455                                         status = 1;
3456                                 } else
3457                                         status = qla2x00_fabric_login(vha,
3458                                             fcport, &next_loopid);
3459                         } else
3460                                 status = qla2x00_local_device_login(vha,
3461                                                                 fcport);
3462
3463                         if (status == QLA_SUCCESS) {
3464                                 fcport->old_loop_id = fcport->loop_id;
3465
3466                                 ql_dbg(ql_dbg_disc, vha, 0x2003,
3467                                     "Port login OK: logged in ID 0x%x.\n",
3468                                     fcport->loop_id);
3469
3470                                 qla2x00_update_fcport(vha, fcport);
3471
3472                         } else if (status == 1) {
3473                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3474                                 /* retry the login again */
3475                                 ql_dbg(ql_dbg_disc, vha, 0x2007,
3476                                     "Retrying %d login again loop_id 0x%x.\n",
3477                                     fcport->login_retry, fcport->loop_id);
3478                         } else {
3479                                 fcport->login_retry = 0;
3480                         }
3481
3482                         if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3483                                 fcport->loop_id = FC_NO_LOOP_ID;
3484                 }
3485                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3486                         break;
3487         }
3488 }
3489
3490 /**************************************************************************
3491 * qla2x00_do_dpc
3492 *   This kernel thread is a task that is schedule by the interrupt handler
3493 *   to perform the background processing for interrupts.
3494 *
3495 * Notes:
3496 * This task always run in the context of a kernel thread.  It
3497 * is kick-off by the driver's detect code and starts up
3498 * up one per adapter. It immediately goes to sleep and waits for
3499 * some fibre event.  When either the interrupt handler or
3500 * the timer routine detects a event it will one of the task
3501 * bits then wake us up.
3502 **************************************************************************/
3503 static int
3504 qla2x00_do_dpc(void *data)
3505 {
3506         int             rval;
3507         scsi_qla_host_t *base_vha;
3508         struct qla_hw_data *ha;
3509
3510         ha = (struct qla_hw_data *)data;
3511         base_vha = pci_get_drvdata(ha->pdev);
3512
3513         set_user_nice(current, -20);
3514
3515         set_current_state(TASK_INTERRUPTIBLE);
3516         while (!kthread_should_stop()) {
3517                 ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
3518                     "DPC handler sleeping.\n");
3519
3520                 schedule();
3521                 __set_current_state(TASK_RUNNING);
3522
3523                 ql_dbg(ql_dbg_dpc, base_vha, 0x4001,
3524                     "DPC handler waking up.\n");
3525                 ql_dbg(ql_dbg_dpc, base_vha, 0x4002,
3526                     "dpc_flags=0x%lx.\n", base_vha->dpc_flags);
3527
3528                 /* Initialization not yet finished. Don't do anything yet. */
3529                 if (!base_vha->flags.init_done)
3530                         continue;
3531
3532                 if (ha->flags.eeh_busy) {
3533                         ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
3534                             "eeh_busy=%d.\n", ha->flags.eeh_busy);
3535                         continue;
3536                 }
3537
3538                 ha->dpc_active = 1;
3539
3540                 if (ha->flags.mbox_busy) {
3541                         ha->dpc_active = 0;
3542                         continue;
3543                 }
3544
3545                 qla2x00_do_work(base_vha);
3546
3547                 if (IS_QLA82XX(ha)) {
3548                         if (test_and_clear_bit(ISP_UNRECOVERABLE,
3549                                 &base_vha->dpc_flags)) {
3550                                 qla82xx_idc_lock(ha);
3551                                 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3552                                         QLA82XX_DEV_FAILED);
3553                                 qla82xx_idc_unlock(ha);
3554                                 ql_log(ql_log_info, base_vha, 0x4004,
3555                                     "HW State: FAILED.\n");
3556                                 qla82xx_device_state_handler(base_vha);
3557                                 continue;
3558                         }
3559
3560                         if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3561                                 &base_vha->dpc_flags)) {
3562
3563                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
3564                                     "FCoE context reset scheduled.\n");
3565                                 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3566                                         &base_vha->dpc_flags))) {
3567                                         if (qla82xx_fcoe_ctx_reset(base_vha)) {
3568                                                 /* FCoE-ctx reset failed.
3569                                                  * Escalate to chip-reset
3570                                                  */
3571                                                 set_bit(ISP_ABORT_NEEDED,
3572                                                         &base_vha->dpc_flags);
3573                                         }
3574                                         clear_bit(ABORT_ISP_ACTIVE,
3575                                                 &base_vha->dpc_flags);
3576                                 }
3577
3578                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
3579                                     "FCoE context reset end.\n");
3580                         }
3581                 }
3582
3583                 if (test_and_clear_bit(ISP_ABORT_NEEDED,
3584                                                 &base_vha->dpc_flags)) {
3585
3586                         ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
3587                             "ISP abort scheduled.\n");
3588                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3589                             &base_vha->dpc_flags))) {
3590
3591                                 if (ha->isp_ops->abort_isp(base_vha)) {
3592                                         /* failed. retry later */
3593                                         set_bit(ISP_ABORT_NEEDED,
3594                                             &base_vha->dpc_flags);
3595                                 }
3596                                 clear_bit(ABORT_ISP_ACTIVE,
3597                                                 &base_vha->dpc_flags);
3598                         }
3599
3600                         ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
3601                             "ISP abort end.\n");
3602                 }
3603
3604                 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3605                         qla2x00_update_fcports(base_vha);
3606                         clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3607                 }
3608
3609                 if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
3610                         ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
3611                             "Quiescence mode scheduled.\n");
3612                         qla82xx_device_state_handler(base_vha);
3613                         clear_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags);
3614                         if (!ha->flags.quiesce_owner) {
3615                                 qla2x00_perform_loop_resync(base_vha);
3616
3617                                 qla82xx_idc_lock(ha);
3618                                 qla82xx_clear_qsnt_ready(base_vha);
3619                                 qla82xx_idc_unlock(ha);
3620                         }
3621                         ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
3622                             "Quiescence mode end.\n");
3623                 }
3624
3625                 if (test_and_clear_bit(RESET_MARKER_NEEDED,
3626                                                         &base_vha->dpc_flags) &&
3627                     (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
3628
3629                         ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
3630                             "Reset marker scheduled.\n");
3631                         qla2x00_rst_aen(base_vha);
3632                         clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
3633                         ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
3634                             "Reset marker end.\n");
3635                 }
3636
3637                 /* Retry each device up to login retry count */
3638                 if ((test_and_clear_bit(RELOGIN_NEEDED,
3639                                                 &base_vha->dpc_flags)) &&
3640                     !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3641                     atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
3642
3643                         ql_dbg(ql_dbg_dpc, base_vha, 0x400d,
3644                             "Relogin scheduled.\n");
3645                         qla2x00_relogin(base_vha);
3646                         ql_dbg(ql_dbg_dpc, base_vha, 0x400e,
3647                             "Relogin end.\n");
3648                 }
3649
3650                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3651                                                         &base_vha->dpc_flags)) {
3652
3653                         ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
3654                             "Loop resync scheduled.\n");
3655
3656                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
3657                             &base_vha->dpc_flags))) {
3658
3659                                 rval = qla2x00_loop_resync(base_vha);
3660
3661                                 clear_bit(LOOP_RESYNC_ACTIVE,
3662                                                 &base_vha->dpc_flags);
3663                         }
3664
3665                         ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
3666                             "Loop resync end.\n");
3667                 }
3668
3669                 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3670                     atomic_read(&base_vha->loop_state) == LOOP_READY) {
3671                         clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3672                         qla2xxx_flash_npiv_conf(base_vha);
3673                 }
3674
3675                 if (!ha->interrupts_on)
3676                         ha->isp_ops->enable_intrs(ha);
3677
3678                 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3679                                         &base_vha->dpc_flags))
3680                         ha->isp_ops->beacon_blink(base_vha);
3681
3682                 qla2x00_do_dpc_all_vps(base_vha);
3683
3684                 ha->dpc_active = 0;
3685                 set_current_state(TASK_INTERRUPTIBLE);
3686         } /* End of while(1) */
3687         __set_current_state(TASK_RUNNING);
3688
3689         ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
3690             "DPC handler exiting.\n");
3691
3692         /*
3693          * Make sure that nobody tries to wake us up again.
3694          */
3695         ha->dpc_active = 0;
3696
3697         /* Cleanup any residual CTX SRBs. */
3698         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3699
3700         return 0;
3701 }
3702
3703 void
3704 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3705 {
3706         struct qla_hw_data *ha = vha->hw;
3707         struct task_struct *t = ha->dpc_thread;
3708
3709         if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3710                 wake_up_process(t);
3711 }
3712
3713 /*
3714 *  qla2x00_rst_aen
3715 *      Processes asynchronous reset.
3716 *
3717 * Input:
3718 *      ha  = adapter block pointer.
3719 */
3720 static void
3721 qla2x00_rst_aen(scsi_qla_host_t *vha)
3722 {
3723         if (vha->flags.online && !vha->flags.reset_active &&
3724             !atomic_read(&vha->loop_down_timer) &&
3725             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3726                 do {
3727                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3728
3729                         /*
3730                          * Issue marker command only when we are going to start
3731                          * the I/O.
3732                          */
3733                         vha->marker_needed = 1;
3734                 } while (!atomic_read(&vha->loop_down_timer) &&
3735                     (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3736         }
3737 }
3738
3739 static void
3740 qla2x00_sp_free_dma(srb_t *sp)
3741 {
3742         struct scsi_cmnd *cmd = sp->cmd;
3743         struct qla_hw_data *ha = sp->fcport->vha->hw;
3744
3745         if (sp->flags & SRB_DMA_VALID) {
3746                 scsi_dma_unmap(cmd);
3747                 sp->flags &= ~SRB_DMA_VALID;
3748         }
3749
3750         if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
3751                 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
3752                     scsi_prot_sg_count(cmd), cmd->sc_data_direction);
3753                 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
3754         }
3755
3756         if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
3757                 /* List assured to be having elements */
3758                 qla2x00_clean_dsd_pool(ha, sp);
3759                 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
3760         }
3761
3762         if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
3763                 dma_pool_free(ha->dl_dma_pool, sp->ctx,
3764                     ((struct crc_context *)sp->ctx)->crc_ctx_dma);
3765                 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
3766         }
3767
3768         CMD_SP(cmd) = NULL;
3769 }
3770
3771 static void
3772 qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
3773 {
3774         struct scsi_cmnd *cmd = sp->cmd;
3775
3776         qla2x00_sp_free_dma(sp);
3777
3778         if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
3779                 struct ct6_dsd *ctx = sp->ctx;
3780                 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
3781                         ctx->fcp_cmnd_dma);
3782                 list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
3783                 ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
3784                 ha->gbl_dsd_avail += ctx->dsd_use_cnt;
3785                 mempool_free(sp->ctx, ha->ctx_mempool);
3786                 sp->ctx = NULL;
3787         }
3788
3789         mempool_free(sp, ha->srb_mempool);
3790         cmd->scsi_done(cmd);
3791 }
3792
3793 void
3794 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3795 {
3796         if (atomic_read(&sp->ref_count) == 0) {
3797                 ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3015,
3798                     "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
3799                     sp, sp->cmd);
3800                 if (ql2xextended_error_logging & ql_dbg_io)
3801                         BUG();
3802                 return;
3803         }
3804         if (!atomic_dec_and_test(&sp->ref_count))
3805                 return;
3806         qla2x00_sp_final_compl(ha, sp);
3807 }
3808
3809 /**************************************************************************
3810 *   qla2x00_timer
3811 *
3812 * Description:
3813 *   One second timer
3814 *
3815 * Context: Interrupt
3816 ***************************************************************************/
3817 void
3818 qla2x00_timer(scsi_qla_host_t *vha)
3819 {
3820         unsigned long   cpu_flags = 0;
3821         int             start_dpc = 0;
3822         int             index;
3823         srb_t           *sp;
3824         uint16_t        w;
3825         struct qla_hw_data *ha = vha->hw;
3826         struct req_que *req;
3827
3828         if (ha->flags.eeh_busy) {
3829                 ql_dbg(ql_dbg_timer, vha, 0x6000,
3830                     "EEH = %d, restarting timer.\n",
3831                     ha->flags.eeh_busy);
3832                 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3833                 return;
3834         }
3835
3836         /* Hardware read to raise pending EEH errors during mailbox waits. */
3837         if (!pci_channel_offline(ha->pdev))
3838                 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3839
3840         /* Make sure qla82xx_watchdog is run only for physical port */
3841         if (!vha->vp_idx && IS_QLA82XX(ha)) {
3842                 if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
3843                         start_dpc++;
3844                 qla82xx_watchdog(vha);
3845         }
3846
3847         /* Loop down handler. */
3848         if (atomic_read(&vha->loop_down_timer) > 0 &&
3849             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
3850             !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
3851                 && vha->flags.online) {
3852
3853                 if (atomic_read(&vha->loop_down_timer) ==
3854                     vha->loop_down_abort_time) {
3855
3856                         ql_log(ql_log_info, vha, 0x6008,
3857                             "Loop down - aborting the queues before time expires.\n");
3858
3859                         if (!IS_QLA2100(ha) && vha->link_down_timeout)
3860                                 atomic_set(&vha->loop_state, LOOP_DEAD);
3861
3862                         /*
3863                          * Schedule an ISP abort to return any FCP2-device
3864                          * commands.
3865                          */
3866                         /* NPIV - scan physical port only */
3867                         if (!vha->vp_idx) {
3868                                 spin_lock_irqsave(&ha->hardware_lock,
3869                                     cpu_flags);
3870                                 req = ha->req_q_map[0];
3871                                 for (index = 1;
3872                                     index < MAX_OUTSTANDING_COMMANDS;
3873                                     index++) {
3874                                         fc_port_t *sfcp;
3875
3876                                         sp = req->outstanding_cmds[index];
3877                                         if (!sp)
3878                                                 continue;
3879                                         if (sp->ctx && !IS_PROT_IO(sp))
3880                                                 continue;
3881                                         sfcp = sp->fcport;
3882                                         if (!(sfcp->flags & FCF_FCP2_DEVICE))
3883                                                 continue;
3884
3885                                         if (IS_QLA82XX(ha))
3886                                                 set_bit(FCOE_CTX_RESET_NEEDED,
3887                                                         &vha->dpc_flags);
3888                                         else
3889                                                 set_bit(ISP_ABORT_NEEDED,
3890                                                         &vha->dpc_flags);
3891                                         break;
3892                                 }
3893                                 spin_unlock_irqrestore(&ha->hardware_lock,
3894                                                                 cpu_flags);
3895                         }
3896                         start_dpc++;
3897                 }
3898
3899                 /* if the loop has been down for 4 minutes, reinit adapter */
3900                 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3901                         if (!(vha->device_flags & DFLG_NO_CABLE)) {
3902                                 ql_log(ql_log_warn, vha, 0x6009,
3903                                     "Loop down - aborting ISP.\n");
3904
3905                                 if (IS_QLA82XX(ha))
3906                                         set_bit(FCOE_CTX_RESET_NEEDED,
3907                                                 &vha->dpc_flags);
3908                                 else
3909                                         set_bit(ISP_ABORT_NEEDED,
3910                                                 &vha->dpc_flags);
3911                         }
3912                 }
3913                 ql_dbg(ql_dbg_timer, vha, 0x600a,
3914                     "Loop down - seconds remaining %d.\n",
3915                     atomic_read(&vha->loop_down_timer));
3916         }
3917
3918         /* Check if beacon LED needs to be blinked for physical host only */
3919         if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
3920                 /* There is no beacon_blink function for ISP82xx */
3921                 if (!IS_QLA82XX(ha)) {
3922                         set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3923                         start_dpc++;
3924                 }
3925         }
3926
3927         /* Process any deferred work. */
3928         if (!list_empty(&vha->work_list))
3929                 start_dpc++;
3930
3931         /* Schedule the DPC routine if needed */
3932         if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3933             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3934             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3935             start_dpc ||
3936             test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3937             test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3938             test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3939             test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3940             test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3941             test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
3942                 ql_dbg(ql_dbg_timer, vha, 0x600b,
3943                     "isp_abort_needed=%d loop_resync_needed=%d "
3944                     "fcport_update_needed=%d start_dpc=%d "
3945                     "reset_marker_needed=%d",
3946                     test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
3947                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
3948                     test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
3949                     start_dpc,
3950                     test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
3951                 ql_dbg(ql_dbg_timer, vha, 0x600c,
3952                     "beacon_blink_needed=%d isp_unrecoverable=%d "
3953                     "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
3954                     "relogin_needed=%d.\n",
3955                     test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
3956                     test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
3957                     test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
3958                     test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
3959                     test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
3960                 qla2xxx_wake_dpc(vha);
3961         }
3962
3963         qla2x00_restart_timer(vha, WATCH_INTERVAL);
3964 }
3965
3966 /* Firmware interface routines. */
3967
3968 #define FW_BLOBS        8
3969 #define FW_ISP21XX      0
3970 #define FW_ISP22XX      1
3971 #define FW_ISP2300      2
3972 #define FW_ISP2322      3
3973 #define FW_ISP24XX      4
3974 #define FW_ISP25XX      5
3975 #define FW_ISP81XX      6
3976 #define FW_ISP82XX      7
3977
3978 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3979 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3980 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3981 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3982 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3983 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3984 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3985 #define FW_FILE_ISP82XX "ql8200_fw.bin"
3986
3987 static DEFINE_MUTEX(qla_fw_lock);
3988
3989 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3990         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3991         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3992         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3993         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3994         { .name = FW_FILE_ISP24XX, },
3995         { .name = FW_FILE_ISP25XX, },
3996         { .name = FW_FILE_ISP81XX, },
3997         { .name = FW_FILE_ISP82XX, },
3998 };
3999
4000 struct fw_blob *
4001 qla2x00_request_firmware(scsi_qla_host_t *vha)
4002 {
4003         struct qla_hw_data *ha = vha->hw;
4004         struct fw_blob *blob;
4005
4006         blob = NULL;
4007         if (IS_QLA2100(ha)) {
4008                 blob = &qla_fw_blobs[FW_ISP21XX];
4009         } else if (IS_QLA2200(ha)) {
4010                 blob = &qla_fw_blobs[FW_ISP22XX];
4011         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
4012                 blob = &qla_fw_blobs[FW_ISP2300];
4013         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
4014                 blob = &qla_fw_blobs[FW_ISP2322];
4015         } else if (IS_QLA24XX_TYPE(ha)) {
4016                 blob = &qla_fw_blobs[FW_ISP24XX];
4017         } else if (IS_QLA25XX(ha)) {
4018                 blob = &qla_fw_blobs[FW_ISP25XX];
4019         } else if (IS_QLA81XX(ha)) {
4020                 blob = &qla_fw_blobs[FW_ISP81XX];
4021         } else if (IS_QLA82XX(ha)) {
4022                 blob = &qla_fw_blobs[FW_ISP82XX];
4023         }
4024
4025         mutex_lock(&qla_fw_lock);
4026         if (blob->fw)
4027                 goto out;
4028
4029         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
4030                 ql_log(ql_log_warn, vha, 0x0063,
4031                     "Failed to load firmware image (%s).\n", blob->name);
4032                 blob->fw = NULL;
4033                 blob = NULL;
4034                 goto out;
4035         }
4036
4037 out:
4038         mutex_unlock(&qla_fw_lock);
4039         return blob;
4040 }
4041
4042 static void
4043 qla2x00_release_firmware(void)
4044 {
4045         int idx;
4046
4047         mutex_lock(&qla_fw_lock);
4048         for (idx = 0; idx < FW_BLOBS; idx++)
4049                 if (qla_fw_blobs[idx].fw)
4050                         release_firmware(qla_fw_blobs[idx].fw);
4051         mutex_unlock(&qla_fw_lock);
4052 }
4053
4054 static pci_ers_result_t
4055 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
4056 {
4057         scsi_qla_host_t *vha = pci_get_drvdata(pdev);
4058         struct qla_hw_data *ha = vha->hw;
4059
4060         ql_dbg(ql_dbg_aer, vha, 0x9000,
4061             "PCI error detected, state %x.\n", state);
4062
4063         switch (state) {
4064         case pci_channel_io_normal:
4065                 ha->flags.eeh_busy = 0;
4066                 return PCI_ERS_RESULT_CAN_RECOVER;
4067         case pci_channel_io_frozen:
4068                 ha->flags.eeh_busy = 1;
4069                 /* For ISP82XX complete any pending mailbox cmd */
4070                 if (IS_QLA82XX(ha)) {
4071                         ha->flags.isp82xx_fw_hung = 1;
4072                         if (ha->flags.mbox_busy) {
4073                                 ha->flags.mbox_int = 1;
4074                                 ql_dbg(ql_dbg_aer, vha, 0x9001,
4075                                     "Due to pci channel io frozen, doing premature "
4076                                     "completion of mbx command.\n");
4077                                 complete(&ha->mbx_intr_comp);
4078                         }
4079                 }
4080                 qla2x00_free_irqs(vha);
4081                 pci_disable_device(pdev);
4082                 /* Return back all IOs */
4083                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4084                 return PCI_ERS_RESULT_NEED_RESET;
4085         case pci_channel_io_perm_failure:
4086                 ha->flags.pci_channel_io_perm_failure = 1;
4087                 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
4088                 return PCI_ERS_RESULT_DISCONNECT;
4089         }
4090         return PCI_ERS_RESULT_NEED_RESET;
4091 }
4092
4093 static pci_ers_result_t
4094 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
4095 {
4096         int risc_paused = 0;
4097         uint32_t stat;
4098         unsigned long flags;
4099         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4100         struct qla_hw_data *ha = base_vha->hw;
4101         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4102         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
4103
4104         if (IS_QLA82XX(ha))
4105                 return PCI_ERS_RESULT_RECOVERED;
4106
4107         spin_lock_irqsave(&ha->hardware_lock, flags);
4108         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
4109                 stat = RD_REG_DWORD(&reg->hccr);
4110                 if (stat & HCCR_RISC_PAUSE)
4111                         risc_paused = 1;
4112         } else if (IS_QLA23XX(ha)) {
4113                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
4114                 if (stat & HSR_RISC_PAUSED)
4115                         risc_paused = 1;
4116         } else if (IS_FWI2_CAPABLE(ha)) {
4117                 stat = RD_REG_DWORD(&reg24->host_status);
4118                 if (stat & HSRX_RISC_PAUSED)
4119                         risc_paused = 1;
4120         }
4121         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4122
4123         if (risc_paused) {
4124                 ql_log(ql_log_info, base_vha, 0x9003,
4125                     "RISC paused -- mmio_enabled, Dumping firmware.\n");
4126                 ha->isp_ops->fw_dump(base_vha, 0);
4127
4128                 return PCI_ERS_RESULT_NEED_RESET;
4129         } else
4130                 return PCI_ERS_RESULT_RECOVERED;
4131 }
4132
4133 uint32_t qla82xx_error_recovery(scsi_qla_host_t *base_vha)
4134 {
4135         uint32_t rval = QLA_FUNCTION_FAILED;
4136         uint32_t drv_active = 0;
4137         struct qla_hw_data *ha = base_vha->hw;
4138         int fn;
4139         struct pci_dev *other_pdev = NULL;
4140
4141         ql_dbg(ql_dbg_aer, base_vha, 0x9006,
4142             "Entered %s.\n", __func__);
4143
4144         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4145
4146         if (base_vha->flags.online) {
4147                 /* Abort all outstanding commands,
4148                  * so as to be requeued later */
4149                 qla2x00_abort_isp_cleanup(base_vha);
4150         }
4151
4152
4153         fn = PCI_FUNC(ha->pdev->devfn);
4154         while (fn > 0) {
4155                 fn--;
4156                 ql_dbg(ql_dbg_aer, base_vha, 0x9007,
4157                     "Finding pci device at function = 0x%x.\n", fn);
4158                 other_pdev =
4159                     pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
4160                     ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
4161                     fn));
4162
4163                 if (!other_pdev)
4164                         continue;
4165                 if (atomic_read(&other_pdev->enable_cnt)) {
4166                         ql_dbg(ql_dbg_aer, base_vha, 0x9008,
4167                             "Found PCI func available and enable at 0x%x.\n",
4168                             fn);
4169                         pci_dev_put(other_pdev);
4170                         break;
4171                 }
4172                 pci_dev_put(other_pdev);
4173         }
4174
4175         if (!fn) {
4176                 /* Reset owner */
4177                 ql_dbg(ql_dbg_aer, base_vha, 0x9009,
4178                     "This devfn is reset owner = 0x%x.\n",
4179                     ha->pdev->devfn);
4180                 qla82xx_idc_lock(ha);
4181
4182                 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4183                     QLA82XX_DEV_INITIALIZING);
4184
4185                 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
4186                     QLA82XX_IDC_VERSION);
4187
4188                 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
4189                 ql_dbg(ql_dbg_aer, base_vha, 0x900a,
4190                     "drv_active = 0x%x.\n", drv_active);
4191
4192                 qla82xx_idc_unlock(ha);
4193                 /* Reset if device is not already reset
4194                  * drv_active would be 0 if a reset has already been done
4195                  */
4196                 if (drv_active)
4197                         rval = qla82xx_start_firmware(base_vha);
4198                 else
4199                         rval = QLA_SUCCESS;
4200                 qla82xx_idc_lock(ha);
4201
4202                 if (rval != QLA_SUCCESS) {
4203                         ql_log(ql_log_info, base_vha, 0x900b,
4204                             "HW State: FAILED.\n");
4205                         qla82xx_clear_drv_active(ha);
4206                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4207                             QLA82XX_DEV_FAILED);
4208                 } else {
4209                         ql_log(ql_log_info, base_vha, 0x900c,
4210                             "HW State: READY.\n");
4211                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4212                             QLA82XX_DEV_READY);
4213                         qla82xx_idc_unlock(ha);
4214                         ha->flags.isp82xx_fw_hung = 0;
4215                         rval = qla82xx_restart_isp(base_vha);
4216                         qla82xx_idc_lock(ha);
4217                         /* Clear driver state register */
4218                         qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
4219                         qla82xx_set_drv_active(base_vha);
4220                 }
4221                 qla82xx_idc_unlock(ha);
4222         } else {
4223                 ql_dbg(ql_dbg_aer, base_vha, 0x900d,
4224                     "This devfn is not reset owner = 0x%x.\n",
4225                     ha->pdev->devfn);
4226                 if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
4227                     QLA82XX_DEV_READY)) {
4228                         ha->flags.isp82xx_fw_hung = 0;
4229                         rval = qla82xx_restart_isp(base_vha);
4230                         qla82xx_idc_lock(ha);
4231                         qla82xx_set_drv_active(base_vha);
4232                         qla82xx_idc_unlock(ha);
4233                 }
4234         }
4235         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4236
4237         return rval;
4238 }
4239
4240 static pci_ers_result_t
4241 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
4242 {
4243         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
4244         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4245         struct qla_hw_data *ha = base_vha->hw;
4246         struct rsp_que *rsp;
4247         int rc, retries = 10;
4248
4249         ql_dbg(ql_dbg_aer, base_vha, 0x9004,
4250             "Slot Reset.\n");
4251
4252         /* Workaround: qla2xxx driver which access hardware earlier
4253          * needs error state to be pci_channel_io_online.
4254          * Otherwise mailbox command timesout.
4255          */
4256         pdev->error_state = pci_channel_io_normal;
4257
4258         pci_restore_state(pdev);
4259
4260         /* pci_restore_state() clears the saved_state flag of the device
4261          * save restored state which resets saved_state flag
4262          */
4263         pci_save_state(pdev);
4264
4265         if (ha->mem_only)
4266                 rc = pci_enable_device_mem(pdev);
4267         else
4268                 rc = pci_enable_device(pdev);
4269
4270         if (rc) {
4271                 ql_log(ql_log_warn, base_vha, 0x9005,
4272                     "Can't re-enable PCI device after reset.\n");
4273                 goto exit_slot_reset;
4274         }
4275
4276         rsp = ha->rsp_q_map[0];
4277         if (qla2x00_request_irqs(ha, rsp))
4278                 goto exit_slot_reset;
4279
4280         if (ha->isp_ops->pci_config(base_vha))
4281                 goto exit_slot_reset;
4282
4283         if (IS_QLA82XX(ha)) {
4284                 if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
4285                         ret = PCI_ERS_RESULT_RECOVERED;
4286                         goto exit_slot_reset;
4287                 } else
4288                         goto exit_slot_reset;
4289         }
4290
4291         while (ha->flags.mbox_busy && retries--)
4292                 msleep(1000);
4293
4294         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4295         if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
4296                 ret =  PCI_ERS_RESULT_RECOVERED;
4297         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4298
4299
4300 exit_slot_reset:
4301         ql_dbg(ql_dbg_aer, base_vha, 0x900e,
4302             "slot_reset return %x.\n", ret);
4303
4304         return ret;
4305 }
4306
4307 static void
4308 qla2xxx_pci_resume(struct pci_dev *pdev)
4309 {
4310         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4311         struct qla_hw_data *ha = base_vha->hw;
4312         int ret;
4313
4314         ql_dbg(ql_dbg_aer, base_vha, 0x900f,
4315             "pci_resume.\n");
4316
4317         ret = qla2x00_wait_for_hba_online(base_vha);
4318         if (ret != QLA_SUCCESS) {
4319                 ql_log(ql_log_fatal, base_vha, 0x9002,
4320                     "The device failed to resume I/O from slot/link_reset.\n");
4321         }
4322
4323         pci_cleanup_aer_uncorrect_error_status(pdev);
4324
4325         ha->flags.eeh_busy = 0;
4326 }
4327
4328 static struct pci_error_handlers qla2xxx_err_handler = {
4329         .error_detected = qla2xxx_pci_error_detected,
4330         .mmio_enabled = qla2xxx_pci_mmio_enabled,
4331         .slot_reset = qla2xxx_pci_slot_reset,
4332         .resume = qla2xxx_pci_resume,
4333 };
4334
4335 static struct pci_device_id qla2xxx_pci_tbl[] = {
4336         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
4337         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
4338         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
4339         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
4340         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
4341         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
4342         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
4343         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
4344         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4345         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
4346         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
4347         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
4348         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
4349         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
4350         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
4351         { 0 },
4352 };
4353 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
4354
4355 static struct pci_driver qla2xxx_pci_driver = {
4356         .name           = QLA2XXX_DRIVER_NAME,
4357         .driver         = {
4358                 .owner          = THIS_MODULE,
4359         },
4360         .id_table       = qla2xxx_pci_tbl,
4361         .probe          = qla2x00_probe_one,
4362         .remove         = qla2x00_remove_one,
4363         .shutdown       = qla2x00_shutdown,
4364         .err_handler    = &qla2xxx_err_handler,
4365 };
4366
4367 static struct file_operations apidev_fops = {
4368         .owner = THIS_MODULE,
4369         .llseek = noop_llseek,
4370 };
4371
4372 /**
4373  * qla2x00_module_init - Module initialization.
4374  **/
4375 static int __init
4376 qla2x00_module_init(void)
4377 {
4378         int ret = 0;
4379
4380         /* Allocate cache for SRBs. */
4381         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
4382             SLAB_HWCACHE_ALIGN, NULL);
4383         if (srb_cachep == NULL) {
4384                 ql_log(ql_log_fatal, NULL, 0x0001,
4385                     "Unable to allocate SRB cache...Failing load!.\n");
4386                 return -ENOMEM;
4387         }
4388
4389         /* Derive version string. */
4390         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
4391         if (ql2xextended_error_logging)
4392                 strcat(qla2x00_version_str, "-debug");
4393
4394         qla2xxx_transport_template =
4395             fc_attach_transport(&qla2xxx_transport_functions);
4396         if (!qla2xxx_transport_template) {
4397                 kmem_cache_destroy(srb_cachep);
4398                 ql_log(ql_log_fatal, NULL, 0x0002,
4399                     "fc_attach_transport failed...Failing load!.\n");
4400                 return -ENODEV;
4401         }
4402
4403         apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
4404         if (apidev_major < 0) {
4405                 ql_log(ql_log_fatal, NULL, 0x0003,
4406                     "Unable to register char device %s.\n", QLA2XXX_APIDEV);
4407         }
4408
4409         qla2xxx_transport_vport_template =
4410             fc_attach_transport(&qla2xxx_transport_vport_functions);
4411         if (!qla2xxx_transport_vport_template) {
4412                 kmem_cache_destroy(srb_cachep);
4413                 fc_release_transport(qla2xxx_transport_template);
4414                 ql_log(ql_log_fatal, NULL, 0x0004,
4415                     "fc_attach_transport vport failed...Failing load!.\n");
4416                 return -ENODEV;
4417         }
4418         ql_log(ql_log_info, NULL, 0x0005,
4419             "QLogic Fibre Channel HBA Driver: %s.\n",
4420             qla2x00_version_str);
4421         ret = pci_register_driver(&qla2xxx_pci_driver);
4422         if (ret) {
4423                 kmem_cache_destroy(srb_cachep);
4424                 fc_release_transport(qla2xxx_transport_template);
4425                 fc_release_transport(qla2xxx_transport_vport_template);
4426                 ql_log(ql_log_fatal, NULL, 0x0006,
4427                     "pci_register_driver failed...ret=%d Failing load!.\n",
4428                     ret);
4429         }
4430         return ret;
4431 }
4432
4433 /**
4434  * qla2x00_module_exit - Module cleanup.
4435  **/
4436 static void __exit
4437 qla2x00_module_exit(void)
4438 {
4439         unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
4440         pci_unregister_driver(&qla2xxx_pci_driver);
4441         qla2x00_release_firmware();
4442         kmem_cache_destroy(srb_cachep);
4443         if (ctx_cachep)
4444                 kmem_cache_destroy(ctx_cachep);
4445         fc_release_transport(qla2xxx_transport_template);
4446         fc_release_transport(qla2xxx_transport_vport_template);
4447 }
4448
4449 module_init(qla2x00_module_init);
4450 module_exit(qla2x00_module_exit);
4451
4452 MODULE_AUTHOR("QLogic Corporation");
4453 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
4454 MODULE_LICENSE("GPL");
4455 MODULE_VERSION(QLA2XXX_VERSION);
4456 MODULE_FIRMWARE(FW_FILE_ISP21XX);
4457 MODULE_FIRMWARE(FW_FILE_ISP22XX);
4458 MODULE_FIRMWARE(FW_FILE_ISP2300);
4459 MODULE_FIRMWARE(FW_FILE_ISP2322);
4460 MODULE_FIRMWARE(FW_FILE_ISP24XX);
4461 MODULE_FIRMWARE(FW_FILE_ISP25XX);