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);
 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);
 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);
 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 /*
 199  * SCSI host template entry points
 200  */
 201 static int qla2xxx_slave_configure(struct scsi_device * device);
 202 static int qla2xxx_slave_alloc(struct scsi_device *);
 203 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
 204 static void qla2xxx_scan_start(struct Scsi_Host *);
 205 static void qla2xxx_slave_destroy(struct scsi_device *);
 206 static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
 207 static int qla2xxx_eh_abort(struct scsi_cmnd *);
 208 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
 209 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
 210 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 211 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 212
 213 static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
 214 static int qla2x00_change_queue_type(struct scsi_device *, int);
 215
 216 struct scsi_host_template qla2xxx_driver_template = {
 217         .module                 = THIS_MODULE,
 218         .name                   = QLA2XXX_DRIVER_NAME,
 219         .queuecommand           = qla2xxx_queuecommand,
 220
 221         .eh_abort_handler       = qla2xxx_eh_abort,
 222         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 223         .eh_target_reset_handler = qla2xxx_eh_target_reset,
 224         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 225         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 226
 227         .slave_configure        = qla2xxx_slave_configure,
 228
 229         .slave_alloc            = qla2xxx_slave_alloc,
 230         .slave_destroy          = qla2xxx_slave_destroy,
 231         .scan_finished          = qla2xxx_scan_finished,
 232         .scan_start             = qla2xxx_scan_start,
 233         .change_queue_depth     = qla2x00_change_queue_depth,
 234         .change_queue_type      = qla2x00_change_queue_type,
 235         .this_id                = -1,
 236         .cmd_per_lun            = 3,
 237         .use_clustering         = ENABLE_CLUSTERING,
 238         .sg_tablesize           = SG_ALL,
 239
 240         .max_sectors            = 0xFFFF,
 241         .shost_attrs            = qla2x00_host_attrs,
 242 };
 243
 244 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 245 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 246
 247 /* TODO Convert to inlines
 248  *
 249  * Timer routines
 250  */
 251
 252 __inline__ void
 253 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
 254 {
 255         init_timer(&vha->timer);
 256         vha->timer.expires = jiffies + interval * HZ;
 257         vha->timer.data = (unsigned long)vha;
 258         vha->timer.function = (void (*)(unsigned long))func;
 259         add_timer(&vha->timer);
 260         vha->timer_active = 1;
 261 }
 262
 263 static inline void
 264 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
 265 {
 266         /* Currently used for 82XX only. */
 267         if (vha->device_flags & DFLG_DEV_FAILED) {
 268                 ql_dbg(ql_dbg_timer, vha, 0x600d,
 269                     "Device in a failed state, returning.\n");
 270                 return;
 271         }
 272
 273         mod_timer(&vha->timer, jiffies + interval * HZ);
 274 }
 275
 276 static __inline__ void
 277 qla2x00_stop_timer(scsi_qla_host_t *vha)
 278 {
 279         del_timer_sync(&vha->timer);
 280         vha->timer_active = 0;
 281 }
 282
 283 static int qla2x00_do_dpc(void *data);
 284
 285 static void qla2x00_rst_aen(scsi_qla_host_t *);
 286
 287 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
 288         struct req_que **, struct rsp_que **);
 289 static void qla2x00_free_fw_dump(struct qla_hw_data *);
 290 static void qla2x00_mem_free(struct qla_hw_data *);
 291 static void qla2x00_sp_free_dma(srb_t *);
 292
 293 /* -------------------------------------------------------------------------- */
 294 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
 295 {
 296         scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 297         ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
 298                                 GFP_KERNEL);
 299         if (!ha->req_q_map) {
 300                 ql_log(ql_log_fatal, vha, 0x003b,
 301                     "Unable to allocate memory for request queue ptrs.\n");
 302                 goto fail_req_map;
 303         }
 304
 305         ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
 306                                 GFP_KERNEL);
 307         if (!ha->rsp_q_map) {
 308                 ql_log(ql_log_fatal, vha, 0x003c,
 309                     "Unable to allocate memory for response queue ptrs.\n");
 310                 goto fail_rsp_map;
 311         }
 312         set_bit(0, ha->rsp_qid_map);
 313         set_bit(0, ha->req_qid_map);
 314         return 1;
 315
 316 fail_rsp_map:
 317         kfree(ha->req_q_map);
 318         ha->req_q_map = NULL;
 319 fail_req_map:
 320         return -ENOMEM;
 321 }
 322
 323 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
 324 {
 325         if (req && req->ring)
 326                 dma_free_coherent(&ha->pdev->dev,
 327                 (req->length + 1) * sizeof(request_t),
 328                 req->ring, req->dma);
 329
 330         kfree(req);
 331         req = NULL;
 332 }
 333
 334 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
 335 {
 336         if (rsp && rsp->ring)
 337                 dma_free_coherent(&ha->pdev->dev,
 338                 (rsp->length + 1) * sizeof(response_t),
 339                 rsp->ring, rsp->dma);
 340
 341         kfree(rsp);
 342         rsp = NULL;
 343 }
 344
 345 static void qla2x00_free_queues(struct qla_hw_data *ha)
 346 {
 347         struct req_que *req;
 348         struct rsp_que *rsp;
 349         int cnt;
 350
 351         for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
 352                 req = ha->req_q_map[cnt];
 353                 qla2x00_free_req_que(ha, req);
 354         }
 355         kfree(ha->req_q_map);
 356         ha->req_q_map = NULL;
 357
 358         for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
 359                 rsp = ha->rsp_q_map[cnt];
 360                 qla2x00_free_rsp_que(ha, rsp);
 361         }
 362         kfree(ha->rsp_q_map);
 363         ha->rsp_q_map = NULL;
 364 }
 365
 366 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
 367 {
 368         uint16_t options = 0;
 369         int ques, req, ret;
 370         struct qla_hw_data *ha = vha->hw;
 371
 372         if (!(ha->fw_attributes & BIT_6)) {
 373                 ql_log(ql_log_warn, vha, 0x00d8,
 374                     "Firmware is not multi-queue capable.\n");
 375                 goto fail;
 376         }
 377         if (ql2xmultique_tag) {
 378                 /* create a request queue for IO */
 379                 options |= BIT_7;
 380                 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
 381                         QLA_DEFAULT_QUE_QOS);
 382                 if (!req) {
 383                         ql_log(ql_log_warn, vha, 0x00e0,
 384                             "Failed to create request queue.\n");
 385                         goto fail;
 386                 }
 387                 ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
 388                 vha->req = ha->req_q_map[req];
 389                 options |= BIT_1;
 390                 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
 391                         ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
 392                         if (!ret) {
 393                                 ql_log(ql_log_warn, vha, 0x00e8,
 394                                     "Failed to create response queue.\n");
 395                                 goto fail2;
 396                         }
 397                 }
 398                 ha->flags.cpu_affinity_enabled = 1;
 399                 ql_dbg(ql_dbg_multiq, vha, 0xc007,
 400                     "CPU affinity mode enalbed, "
 401                     "no. of response queues:%d no. of request queues:%d.\n",
 402                     ha->max_rsp_queues, ha->max_req_queues);
 403                 ql_dbg(ql_dbg_init, vha, 0x00e9,
 404                     "CPU affinity mode enalbed, "
 405                     "no. of response queues:%d no. of request queues:%d.\n",
 406                     ha->max_rsp_queues, ha->max_req_queues);
 407         }
 408         return 0;
 409 fail2:
 410         qla25xx_delete_queues(vha);
 411         destroy_workqueue(ha->wq);
 412         ha->wq = NULL;
 413 fail:
 414         ha->mqenable = 0;
 415         kfree(ha->req_q_map);
 416         kfree(ha->rsp_q_map);
 417         ha->max_req_queues = ha->max_rsp_queues = 1;
 418         return 1;
 419 }
 420
 421 static char *
 422 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
 423 {
 424         struct qla_hw_data *ha = vha->hw;
 425         static char *pci_bus_modes[] = {
 426                 "33", "66", "100", "133",
 427         };
 428         uint16_t pci_bus;
 429
 430         strcpy(str, "PCI");
 431         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 432         if (pci_bus) {
 433                 strcat(str, "-X (");
 434                 strcat(str, pci_bus_modes[pci_bus]);
 435         } else {
 436                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 437                 strcat(str, " (");
 438                 strcat(str, pci_bus_modes[pci_bus]);
 439         }
 440         strcat(str, " MHz)");
 441
 442         return (str);
 443 }
 444
 445 static char *
 446 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
 447 {
 448         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 449         struct qla_hw_data *ha = vha->hw;
 450         uint32_t pci_bus;
 451         int pcie_reg;
 452
 453         pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 454         if (pcie_reg) {
 455                 char lwstr[6];
 456                 uint16_t pcie_lstat, lspeed, lwidth;
 457
 458                 pcie_reg += 0x12;
 459                 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
 460                 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
 461                 lwidth = (pcie_lstat &
 462                     (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
 463
 464                 strcpy(str, "PCIe (");
 465                 if (lspeed == 1)
 466                         strcat(str, "2.5GT/s ");
 467                 else if (lspeed == 2)
 468                         strcat(str, "5.0GT/s ");
 469                 else
 470                         strcat(str, "<unknown> ");
 471                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 472                 strcat(str, lwstr);
 473
 474                 return str;
 475         }
 476
 477         strcpy(str, "PCI");
 478         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 479         if (pci_bus == 0 || pci_bus == 8) {
 480                 strcat(str, " (");
 481                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 482         } else {
 483                 strcat(str, "-X ");
 484                 if (pci_bus & BIT_2)
 485                         strcat(str, "Mode 2");
 486                 else
 487                         strcat(str, "Mode 1");
 488                 strcat(str, " (");
 489                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 490         }
 491         strcat(str, " MHz)");
 492
 493         return str;
 494 }
 495
 496 static char *
 497 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
 498 {
 499         char un_str[10];
 500         struct qla_hw_data *ha = vha->hw;
 501
 502         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 503             ha->fw_minor_version,
 504             ha->fw_subminor_version);
 505
 506         if (ha->fw_attributes & BIT_9) {
 507                 strcat(str, "FLX");
 508                 return (str);
 509         }
 510
 511         switch (ha->fw_attributes & 0xFF) {
 512         case 0x7:
 513                 strcat(str, "EF");
 514                 break;
 515         case 0x17:
 516                 strcat(str, "TP");
 517                 break;
 518         case 0x37:
 519                 strcat(str, "IP");
 520                 break;
 521         case 0x77:
 522                 strcat(str, "VI");
 523                 break;
 524         default:
 525                 sprintf(un_str, "(%x)", ha->fw_attributes);
 526                 strcat(str, un_str);
 527                 break;
 528         }
 529         if (ha->fw_attributes & 0x100)
 530                 strcat(str, "X");
 531
 532         return (str);
 533 }
 534
 535 static char *
 536 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
 537 {
 538         struct qla_hw_data *ha = vha->hw;
 539
 540         sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
 541             ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
 542         return str;
 543 }
 544
 545 static inline srb_t *
 546 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
 547         struct scsi_cmnd *cmd)
 548 {
 549         srb_t *sp;
 550         struct qla_hw_data *ha = vha->hw;
 551
 552         sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
 553         if (!sp) {
 554                 ql_log(ql_log_warn, vha, 0x3006,
 555                     "Memory allocation failed for sp.\n");
 556                 return sp;
 557         }
 558
 559         atomic_set(&sp->ref_count, 1);
 560         sp->fcport = fcport;
 561         sp->cmd = cmd;
 562         sp->flags = 0;
 563         CMD_SP(cmd) = (void *)sp;
 564         sp->ctx = NULL;
 565
 566         return sp;
 567 }
 568
 569 static int
 570 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 571 {
 572         scsi_qla_host_t *vha = shost_priv(host);
 573         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 574         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 575         struct qla_hw_data *ha = vha->hw;
 576         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 577         srb_t *sp;
 578         int rval;
 579
 580         if (ha->flags.eeh_busy) {
 581                 if (ha->flags.pci_channel_io_perm_failure) {
 582                         ql_dbg(ql_dbg_io, vha, 0x3001,
 583                             "PCI Channel IO permanent failure, exiting "
 584                             "cmd=%p.\n", cmd);
 585                         cmd->result = DID_NO_CONNECT << 16;
 586                 } else {
 587                         ql_dbg(ql_dbg_io, vha, 0x3002,
 588                             "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
 589                         cmd->result = DID_REQUEUE << 16;
 590                 }
 591                 goto qc24_fail_command;
 592         }
 593
 594         rval = fc_remote_port_chkready(rport);
 595         if (rval) {
 596                 cmd->result = rval;
 597                 ql_dbg(ql_dbg_io, vha, 0x3003,
 598                     "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
 599                     cmd, rval);
 600                 goto qc24_fail_command;
 601         }
 602
 603         if (!vha->flags.difdix_supported &&
 604                 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
 605                         ql_dbg(ql_dbg_io, vha, 0x3004,
 606                             "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
 607                             cmd);
 608                         cmd->result = DID_NO_CONNECT << 16;
 609                         goto qc24_fail_command;
 610         }
 611         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 612                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 613                         atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 614                         ql_dbg(ql_dbg_io, vha, 0x3005,
 615                             "Returning DNC, fcport_state=%d loop_state=%d.\n",
 616                             atomic_read(&fcport->state),
 617                             atomic_read(&base_vha->loop_state));
 618                         cmd->result = DID_NO_CONNECT << 16;
 619                         goto qc24_fail_command;
 620                 }
 621                 goto qc24_target_busy;
 622         }
 623
 624         sp = qla2x00_get_new_sp(base_vha, fcport, cmd);
 625         if (!sp)
 626                 goto qc24_host_busy;
 627
 628         rval = ha->isp_ops->start_scsi(sp);
 629         if (rval != QLA_SUCCESS) {
 630                 ql_dbg(ql_dbg_io, vha, 0x3013,
 631                     "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
 632                 goto qc24_host_busy_free_sp;
 633         }
 634
 635         return 0;
 636
 637 qc24_host_busy_free_sp:
 638         qla2x00_sp_free_dma(sp);
 639         mempool_free(sp, ha->srb_mempool);
 640
 641 qc24_host_busy:
 642         return SCSI_MLQUEUE_HOST_BUSY;
 643
 644 qc24_target_busy:
 645         return SCSI_MLQUEUE_TARGET_BUSY;
 646
 647 qc24_fail_command:
 648         cmd->scsi_done(cmd);
 649
 650         return 0;
 651 }
 652
 653 /*
 654  * qla2x00_eh_wait_on_command
 655  *    Waits for the command to be returned by the Firmware for some
 656  *    max time.
 657  *
 658  * Input:
 659  *    cmd = Scsi Command to wait on.
 660  *
 661  * Return:
 662  *    Not Found : 0
 663  *    Found : 1
 664  */
 665 static int
 666 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
 667 {
 668 #define ABORT_POLLING_PERIOD    1000
 669 #define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
 670         unsigned long wait_iter = ABORT_WAIT_ITER;
 671         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 672         struct qla_hw_data *ha = vha->hw;
 673         int ret = QLA_SUCCESS;
 674
 675         if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
 676                 ql_dbg(ql_dbg_taskm, vha, 0x8005,
 677                     "Return:eh_wait.\n");
 678                 return ret;
 679         }
 680
 681         while (CMD_SP(cmd) && wait_iter--) {
 682                 msleep(ABORT_POLLING_PERIOD);
 683         }
 684         if (CMD_SP(cmd))
 685                 ret = QLA_FUNCTION_FAILED;
 686
 687         return ret;
 688 }
 689
 690 /*
 691  * qla2x00_wait_for_hba_online
 692  *    Wait till the HBA is online after going through
 693  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 694  *    finally HBA is disabled ie marked offline
 695  *
 696  * Input:
 697  *     ha - pointer to host adapter structure
 698  *
 699  * Note:
 700  *    Does context switching-Release SPIN_LOCK
 701  *    (if any) before calling this routine.
 702  *
 703  * Return:
 704  *    Success (Adapter is online) : 0
 705  *    Failed  (Adapter is offline/disabled) : 1
 706  */
 707 int
 708 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
 709 {
 710         int             return_status;
 711         unsigned long   wait_online;
 712         struct qla_hw_data *ha = vha->hw;
 713         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 714
 715         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 716         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 717             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 718             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 719             ha->dpc_active) && time_before(jiffies, wait_online)) {
 720
 721                 msleep(1000);
 722         }
 723         if (base_vha->flags.online)
 724                 return_status = QLA_SUCCESS;
 725         else
 726                 return_status = QLA_FUNCTION_FAILED;
 727
 728         return (return_status);
 729 }
 730
 731 /*
 732  * qla2x00_wait_for_reset_ready
 733  *    Wait till the HBA is online after going through
 734  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 735  *    finally HBA is disabled ie marked offline or flash
 736  *    operations are in progress.
 737  *
 738  * Input:
 739  *     ha - pointer to host adapter structure
 740  *
 741  * Note:
 742  *    Does context switching-Release SPIN_LOCK
 743  *    (if any) before calling this routine.
 744  *
 745  * Return:
 746  *    Success (Adapter is online/no flash ops) : 0
 747  *    Failed  (Adapter is offline/disabled/flash ops in progress) : 1
 748  */
 749 static int
 750 qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha)
 751 {
 752         int             return_status;
 753         unsigned long   wait_online;
 754         struct qla_hw_data *ha = vha->hw;
 755         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 756
 757         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 758         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 759             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 760             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 761             ha->optrom_state != QLA_SWAITING ||
 762             ha->dpc_active) && time_before(jiffies, wait_online))
 763                 msleep(1000);
 764
 765         if (base_vha->flags.online &&  ha->optrom_state == QLA_SWAITING)
 766                 return_status = QLA_SUCCESS;
 767         else
 768                 return_status = QLA_FUNCTION_FAILED;
 769
 770         ql_dbg(ql_dbg_taskm, vha, 0x8019,
 771             "%s return status=%d.\n", __func__, return_status);
 772
 773         return return_status;
 774 }
 775
 776 int
 777 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
 778 {
 779         int             return_status;
 780         unsigned long   wait_reset;
 781         struct qla_hw_data *ha = vha->hw;
 782         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 783
 784         wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 785         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 786             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 787             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 788             ha->dpc_active) && time_before(jiffies, wait_reset)) {
 789
 790                 msleep(1000);
 791
 792                 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
 793                     ha->flags.chip_reset_done)
 794                         break;
 795         }
 796         if (ha->flags.chip_reset_done)
 797                 return_status = QLA_SUCCESS;
 798         else
 799                 return_status = QLA_FUNCTION_FAILED;
 800
 801         return return_status;
 802 }
 803
 804 /*
 805  * qla2x00_wait_for_loop_ready
 806  *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
 807  *    to be in LOOP_READY state.
 808  * Input:
 809  *     ha - pointer to host adapter structure
 810  *
 811  * Note:
 812  *    Does context switching-Release SPIN_LOCK
 813  *    (if any) before calling this routine.
 814  *
 815  *
 816  * Return:
 817  *    Success (LOOP_READY) : 0
 818  *    Failed  (LOOP_NOT_READY) : 1
 819  */
 820 static inline int
 821 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
 822 {
 823         int      return_status = QLA_SUCCESS;
 824         unsigned long loop_timeout ;
 825         struct qla_hw_data *ha = vha->hw;
 826         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 827
 828         /* wait for 5 min at the max for loop to be ready */
 829         loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 830
 831         while ((!atomic_read(&base_vha->loop_down_timer) &&
 832             atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
 833             atomic_read(&base_vha->loop_state) != LOOP_READY) {
 834                 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 835                         return_status = QLA_FUNCTION_FAILED;
 836                         break;
 837                 }
 838                 msleep(1000);
 839                 if (time_after_eq(jiffies, loop_timeout)) {
 840                         return_status = QLA_FUNCTION_FAILED;
 841                         break;
 842                 }
 843         }
 844         return (return_status);
 845 }
 846
 847 static void
 848 sp_get(struct srb *sp)
 849 {
 850         atomic_inc(&sp->ref_count);
 851 }
 852
 853 /**************************************************************************
 854 * qla2xxx_eh_abort
 855 *
 856 * Description:
 857 *    The abort function will abort the specified command.
 858 *
 859 * Input:
 860 *    cmd = Linux SCSI command packet to be aborted.
 861 *
 862 * Returns:
 863 *    Either SUCCESS or FAILED.
 864 *
 865 * Note:
 866 *    Only return FAILED if command not returned by firmware.
 867 **************************************************************************/
 868 static int
 869 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 870 {
 871         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 872         srb_t *sp;
 873         int ret;
 874         unsigned int id, lun;
 875         unsigned long flags;
 876         int wait = 0;
 877         struct qla_hw_data *ha = vha->hw;
 878
 879         ql_dbg(ql_dbg_taskm, vha, 0x8000,
 880             "Entered %s for cmd=%p.\n", __func__, cmd);
 881         if (!CMD_SP(cmd))
 882                 return SUCCESS;
 883
 884         ret = fc_block_scsi_eh(cmd);
 885         ql_dbg(ql_dbg_taskm, vha, 0x8001,
 886             "Return value of fc_block_scsi_eh=%d.\n", ret);
 887         if (ret != 0)
 888                 return ret;
 889         ret = SUCCESS;
 890
 891         id = cmd->device->id;
 892         lun = cmd->device->lun;
 893
 894         spin_lock_irqsave(&ha->hardware_lock, flags);
 895         sp = (srb_t *) CMD_SP(cmd);
 896         if (!sp) {
 897                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 898                 return SUCCESS;
 899         }
 900
 901         ql_dbg(ql_dbg_taskm, vha, 0x8002,
 902             "Aborting sp=%p cmd=%p from RISC ", sp, cmd);
 903
 904         /* Get a reference to the sp and drop the lock.*/
 905         sp_get(sp);
 906
 907         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 908         if (ha->isp_ops->abort_command(sp)) {
 909                 ql_dbg(ql_dbg_taskm, vha, 0x8003,
 910                     "Abort command mbx failed for cmd=%p.\n", cmd);
 911         } else {
 912                 ql_dbg(ql_dbg_taskm, vha, 0x8004,
 913                     "Abort command mbx success.\n");
 914                 wait = 1;
 915         }
 916
 917         spin_lock_irqsave(&ha->hardware_lock, flags);
 918         qla2x00_sp_compl(ha, sp);
 919         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 920
 921         /* Did the command return during mailbox execution? */
 922         if (ret == FAILED && !CMD_SP(cmd))
 923                 ret = SUCCESS;
 924
 925         /* Wait for the command to be returned. */
 926         if (wait) {
 927                 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
 928                         ql_log(ql_log_warn, vha, 0x8006,
 929                             "Abort handler timed out for cmd=%p.\n", cmd);
 930                         ret = FAILED;
 931                 }
 932         }
 933
 934         ql_log(ql_log_info, vha, 0x801c,
 935             "Abort command issued --  %d %x.\n", wait, ret);
 936
 937         return ret;
 938 }
 939
 940 int
 941 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
 942         unsigned int l, enum nexus_wait_type type)
 943 {
 944         int cnt, match, status;
 945         unsigned long flags;
 946         struct qla_hw_data *ha = vha->hw;
 947         struct req_que *req;
 948         srb_t *sp;
 949
 950         status = QLA_SUCCESS;
 951
 952         spin_lock_irqsave(&ha->hardware_lock, flags);
 953         req = vha->req;
 954         for (cnt = 1; status == QLA_SUCCESS &&
 955                 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 956                 sp = req->outstanding_cmds[cnt];
 957                 if (!sp)
 958                         continue;
 959                 if ((sp->ctx) && !IS_PROT_IO(sp))
 960                         continue;
 961                 if (vha->vp_idx != sp->fcport->vha->vp_idx)
 962                         continue;
 963                 match = 0;
 964                 switch (type) {
 965                 case WAIT_HOST:
 966                         match = 1;
 967                         break;
 968                 case WAIT_TARGET:
 969                         match = sp->cmd->device->id == t;
 970                         break;
 971                 case WAIT_LUN:
 972                         match = (sp->cmd->device->id == t &&
 973                                 sp->cmd->device->lun == l);
 974                         break;
 975                 }
 976                 if (!match)
 977                         continue;
 978
 979                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 980                 status = qla2x00_eh_wait_on_command(sp->cmd);
 981                 spin_lock_irqsave(&ha->hardware_lock, flags);
 982         }
 983         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 984
 985         return status;
 986 }
 987
 988 static char *reset_errors[] = {
 989         "HBA not online",
 990         "HBA not ready",
 991         "Task management failed",
 992         "Waiting for command completions",
 993 };
 994
 995 static int
 996 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
 997     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
 998 {
 999         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1000         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1001         int err;
1002
1003         if (!fcport) {
1004                 ql_log(ql_log_warn, vha, 0x8007,
1005                     "fcport is NULL.\n");
1006                 return FAILED;
1007         }
1008
1009         err = fc_block_scsi_eh(cmd);
1010         ql_dbg(ql_dbg_taskm, vha, 0x8008,
1011             "fc_block_scsi_eh ret=%d.\n", err);
1012         if (err != 0)
1013                 return err;
1014
1015         ql_log(ql_log_info, vha, 0x8009,
1016             "%s RESET ISSUED for id %d lun %d cmd=%p.\n", name,
1017             cmd->device->id, cmd->device->lun, cmd);
1018
1019         err = 0;
1020         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1021                 ql_log(ql_log_warn, vha, 0x800a,
1022                     "Wait for hba online failed for cmd=%p.\n", cmd);
1023                 goto eh_reset_failed;
1024         }
1025         err = 1;
1026         if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS) {
1027                 ql_log(ql_log_warn, vha, 0x800b,
1028                     "Wait for loop ready failed for cmd=%p.\n", cmd);
1029                 goto eh_reset_failed;
1030         }
1031         err = 2;
1032         if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1033                 != QLA_SUCCESS) {
1034                 ql_log(ql_log_warn, vha, 0x800c,
1035                     "do_reset failed for cmd=%p.\n", cmd);
1036                 goto eh_reset_failed;
1037         }
1038         err = 3;
1039         if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1040             cmd->device->lun, type) != QLA_SUCCESS) {
1041                 ql_log(ql_log_warn, vha, 0x800d,
1042                     "wait for peding cmds failed for cmd=%p.\n", cmd);
1043                 goto eh_reset_failed;
1044         }
1045
1046         ql_log(ql_log_info, vha, 0x800e,
1047             "%s RESET SUCCEEDED for id %d lun %d cmd=%p.\n", name,
1048             cmd->device->id, cmd->device->lun, cmd);
1049
1050         return SUCCESS;
1051
1052 eh_reset_failed:
1053         ql_log(ql_log_info, vha, 0x800f,
1054             "%s RESET FAILED: %s for id %d lun %d cmd=%p.\n", name,
1055             reset_errors[err], cmd->device->id, cmd->device->lun);
1056         return FAILED;
1057 }
1058
1059 static int
1060 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1061 {
1062         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1063         struct qla_hw_data *ha = vha->hw;
1064
1065         return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1066             ha->isp_ops->lun_reset);
1067 }
1068
1069 static int
1070 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1071 {
1072         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1073         struct qla_hw_data *ha = vha->hw;
1074
1075         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1076             ha->isp_ops->target_reset);
1077 }
1078
1079 /**************************************************************************
1080 * qla2xxx_eh_bus_reset
1081 *
1082 * Description:
1083 *    The bus reset function will reset the bus and abort any executing
1084 *    commands.
1085 *
1086 * Input:
1087 *    cmd = Linux SCSI command packet of the command that cause the
1088 *          bus reset.
1089 *
1090 * Returns:
1091 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1092 *
1093 **************************************************************************/
1094 static int
1095 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1096 {
1097         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1098         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1099         int ret = FAILED;
1100         unsigned int id, lun;
1101
1102         id = cmd->device->id;
1103         lun = cmd->device->lun;
1104
1105         if (!fcport) {
1106                 ql_log(ql_log_warn, vha, 0x8010,
1107                     "fcport is NULL.\n");
1108                 return ret;
1109         }
1110
1111         ret = fc_block_scsi_eh(cmd);
1112         ql_dbg(ql_dbg_taskm, vha, 0x8011,
1113             "fc_block_scsi_eh ret=%d.\n", ret);
1114         if (ret != 0)
1115                 return ret;
1116         ret = FAILED;
1117
1118         ql_log(ql_log_info, vha, 0x8012,
1119             "BUS RESET ISSUED for id %d lun %d.\n", id, lun);
1120
1121         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1122                 ql_log(ql_log_fatal, vha, 0x8013,
1123                     "Wait for hba online failed board disabled.\n");
1124                 goto eh_bus_reset_done;
1125         }
1126
1127         if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1128                 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1129                         ret = SUCCESS;
1130         }
1131         if (ret == FAILED)
1132                 goto eh_bus_reset_done;
1133
1134         /* Flush outstanding commands. */
1135         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1136             QLA_SUCCESS) {
1137                 ql_log(ql_log_warn, vha, 0x8014,
1138                     "Wait for pending commands failed.\n");
1139                 ret = FAILED;
1140         }
1141
1142 eh_bus_reset_done:
1143         ql_log(ql_log_warn, vha, 0x802b,
1144             "BUS RESET %s.\n", (ret == FAILED) ? "FAILED" : "SUCCEDED");
1145
1146         return ret;
1147 }
1148
1149 /**************************************************************************
1150 * qla2xxx_eh_host_reset
1151 *
1152 * Description:
1153 *    The reset function will reset the Adapter.
1154 *
1155 * Input:
1156 *      cmd = Linux SCSI command packet of the command that cause the
1157 *            adapter reset.
1158 *
1159 * Returns:
1160 *      Either SUCCESS or FAILED.
1161 *
1162 * Note:
1163 **************************************************************************/
1164 static int
1165 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1166 {
1167         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1168         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1169         struct qla_hw_data *ha = vha->hw;
1170         int ret = FAILED;
1171         unsigned int id, lun;
1172         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1173
1174         id = cmd->device->id;
1175         lun = cmd->device->lun;
1176
1177         if (!fcport) {
1178                 ql_log(ql_log_warn, vha, 0x8016,
1179                     "fcport is NULL.\n");
1180                 return ret;
1181         }
1182
1183         ret = fc_block_scsi_eh(cmd);
1184         ql_dbg(ql_dbg_taskm, vha, 0x8017,
1185             "fc_block_scsi_eh ret=%d.\n", ret);
1186         if (ret != 0)
1187                 return ret;
1188         ret = FAILED;
1189
1190         ql_log(ql_log_info, vha, 0x8018,
1191             "ADAPTER RESET ISSUED for id %d lun %d.\n", id, lun);
1192
1193         if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
1194                 goto eh_host_reset_lock;
1195
1196         /*
1197          * Fixme-may be dpc thread is active and processing
1198          * loop_resync,so wait a while for it to
1199          * be completed and then issue big hammer.Otherwise
1200          * it may cause I/O failure as big hammer marks the
1201          * devices as lost kicking of the port_down_timer
1202          * while dpc is stuck for the mailbox to complete.
1203          */
1204         qla2x00_wait_for_loop_ready(vha);
1205         if (vha != base_vha) {
1206                 if (qla2x00_vp_abort_isp(vha))
1207                         goto eh_host_reset_lock;
1208         } else {
1209                 if (IS_QLA82XX(vha->hw)) {
1210                         if (!qla82xx_fcoe_ctx_reset(vha)) {
1211                                 /* Ctx reset success */
1212                                 ret = SUCCESS;
1213                                 goto eh_host_reset_lock;
1214                         }
1215                         /* fall thru if ctx reset failed */
1216                 }
1217                 if (ha->wq)
1218                         flush_workqueue(ha->wq);
1219
1220                 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1221                 if (ha->isp_ops->abort_isp(base_vha)) {
1222                         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1223                         /* failed. schedule dpc to try */
1224                         set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1225
1226                         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1227                                 ql_log(ql_log_warn, vha, 0x802a,
1228                                     "wait for hba online failed.\n");
1229                                 goto eh_host_reset_lock;
1230                         }
1231                 }
1232                 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1233         }
1234
1235         /* Waiting for command to be returned to OS.*/
1236         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1237                 QLA_SUCCESS)
1238                 ret = SUCCESS;
1239
1240 eh_host_reset_lock:
1241         qla_printk(KERN_INFO, ha, "%s: reset %s.\n", __func__,
1242             (ret == FAILED) ? "failed" : "succeeded");
1243
1244         return ret;
1245 }
1246
1247 /*
1248 * qla2x00_loop_reset
1249 *      Issue loop reset.
1250 *
1251 * Input:
1252 *      ha = adapter block pointer.
1253 *
1254 * Returns:
1255 *      0 = success
1256 */
1257 int
1258 qla2x00_loop_reset(scsi_qla_host_t *vha)
1259 {
1260         int ret;
1261         struct fc_port *fcport;
1262         struct qla_hw_data *ha = vha->hw;
1263
1264         if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1265                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1266                         if (fcport->port_type != FCT_TARGET)
1267                                 continue;
1268
1269                         ret = ha->isp_ops->target_reset(fcport, 0, 0);
1270                         if (ret != QLA_SUCCESS) {
1271                                 ql_dbg(ql_dbg_taskm, vha, 0x802c,
1272                                     "Bus Reset failed: Target Reset=%d "
1273                                     "d_id=%x.\n", ret, fcport->d_id.b24);
1274                         }
1275                 }
1276         }
1277
1278         if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) {
1279                 ret = qla2x00_full_login_lip(vha);
1280                 if (ret != QLA_SUCCESS) {
1281                         ql_dbg(ql_dbg_taskm, vha, 0x802d,
1282                             "full_login_lip=%d.\n", ret);
1283                 }
1284                 atomic_set(&vha->loop_state, LOOP_DOWN);
1285                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1286                 qla2x00_mark_all_devices_lost(vha, 0);
1287                 qla2x00_wait_for_loop_ready(vha);
1288         }
1289
1290         if (ha->flags.enable_lip_reset) {
1291                 ret = qla2x00_lip_reset(vha);
1292                 if (ret != QLA_SUCCESS) {
1293                         ql_dbg(ql_dbg_taskm, vha, 0x802e,
1294                             "lip_reset failed (%d).\n", ret);
1295                 } else
1296                         qla2x00_wait_for_loop_ready(vha);
1297         }
1298
1299         /* Issue marker command only when we are going to start the I/O */
1300         vha->marker_needed = 1;
1301
1302         return QLA_SUCCESS;
1303 }
1304
1305 void
1306 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1307 {
1308         int que, cnt;
1309         unsigned long flags;
1310         srb_t *sp;
1311         struct srb_ctx *ctx;
1312         struct qla_hw_data *ha = vha->hw;
1313         struct req_que *req;
1314
1315         spin_lock_irqsave(&ha->hardware_lock, flags);
1316         for (que = 0; que < ha->max_req_queues; que++) {
1317                 req = ha->req_q_map[que];
1318                 if (!req)
1319                         continue;
1320                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1321                         sp = req->outstanding_cmds[cnt];
1322                         if (sp) {
1323                                 req->outstanding_cmds[cnt] = NULL;
1324                                 if (!sp->ctx ||
1325                                         (sp->flags & SRB_FCP_CMND_DMA_VALID) ||
1326                                         IS_PROT_IO(sp)) {
1327                                         sp->cmd->result = res;
1328                                         qla2x00_sp_compl(ha, sp);
1329                                 } else {
1330                                         ctx = sp->ctx;
1331                                         if (ctx->type == SRB_ELS_CMD_RPT ||
1332                                             ctx->type == SRB_ELS_CMD_HST ||
1333                                             ctx->type == SRB_CT_CMD) {
1334                                                 struct fc_bsg_job *bsg_job =
1335                                                     ctx->u.bsg_job;
1336                                                 if (bsg_job->request->msgcode
1337                                                     == FC_BSG_HST_CT)
1338                                                         kfree(sp->fcport);
1339                                                 bsg_job->req->errors = 0;
1340                                                 bsg_job->reply->result = res;
1341                                                 bsg_job->job_done(bsg_job);
1342                                                 kfree(sp->ctx);
1343                                                 mempool_free(sp,
1344                                                         ha->srb_mempool);
1345                                         } else {
1346                                                 ctx->u.iocb_cmd->free(sp);
1347                                         }
1348                                 }
1349                         }
1350                 }
1351         }
1352         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1353 }
1354
1355 static int
1356 qla2xxx_slave_alloc(struct scsi_device *sdev)
1357 {
1358         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1359
1360         if (!rport || fc_remote_port_chkready(rport))
1361                 return -ENXIO;
1362
1363         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1364
1365         return 0;
1366 }
1367
1368 static int
1369 qla2xxx_slave_configure(struct scsi_device *sdev)
1370 {
1371         scsi_qla_host_t *vha = shost_priv(sdev->host);
1372         struct req_que *req = vha->req;
1373
1374         if (sdev->tagged_supported)
1375                 scsi_activate_tcq(sdev, req->max_q_depth);
1376         else
1377                 scsi_deactivate_tcq(sdev, req->max_q_depth);
1378         return 0;
1379 }
1380
1381 static void
1382 qla2xxx_slave_destroy(struct scsi_device *sdev)
1383 {
1384         sdev->hostdata = NULL;
1385 }
1386
1387 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1388 {
1389         fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1390
1391         if (!scsi_track_queue_full(sdev, qdepth))
1392                 return;
1393
1394         ql_dbg(ql_dbg_io, fcport->vha, 0x3029,
1395             "Queue depth adjusted-down "
1396             "to %d for scsi(%ld:%d:%d:%d).\n",
1397             sdev->queue_depth, fcport->vha->host_no,
1398             sdev->channel, sdev->id, sdev->lun);
1399 }
1400
1401 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1402 {
1403         fc_port_t *fcport = sdev->hostdata;
1404         struct scsi_qla_host *vha = fcport->vha;
1405         struct req_que *req = NULL;
1406
1407         req = vha->req;
1408         if (!req)
1409                 return;
1410
1411         if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1412                 return;
1413
1414         if (sdev->ordered_tags)
1415                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1416         else
1417                 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1418
1419         ql_dbg(ql_dbg_io, vha, 0x302a,
1420             "Queue depth adjusted-up to %d for "
1421             "scsi(%ld:%d:%d:%d).\n",
1422             sdev->queue_depth, fcport->vha->host_no,
1423             sdev->channel, sdev->id, sdev->lun);
1424 }
1425
1426 static int
1427 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1428 {
1429         switch (reason) {
1430         case SCSI_QDEPTH_DEFAULT:
1431                 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1432                 break;
1433         case SCSI_QDEPTH_QFULL:
1434                 qla2x00_handle_queue_full(sdev, qdepth);
1435                 break;
1436         case SCSI_QDEPTH_RAMP_UP:
1437                 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1438                 break;
1439         default:
1440                 return -EOPNOTSUPP;
1441         }
1442
1443         return sdev->queue_depth;
1444 }
1445
1446 static int
1447 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1448 {
1449         if (sdev->tagged_supported) {
1450                 scsi_set_tag_type(sdev, tag_type);
1451                 if (tag_type)
1452                         scsi_activate_tcq(sdev, sdev->queue_depth);
1453                 else
1454                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1455         } else
1456                 tag_type = 0;
1457
1458         return tag_type;
1459 }
1460
1461 /**
1462  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1463  * @ha: HA context
1464  *
1465  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1466  * supported addressing method.
1467  */
1468 static void
1469 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1470 {
1471         /* Assume a 32bit DMA mask. */
1472         ha->flags.enable_64bit_addressing = 0;
1473
1474         if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1475                 /* Any upper-dword bits set? */
1476                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1477                     !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1478                         /* Ok, a 64bit DMA mask is applicable. */
1479                         ha->flags.enable_64bit_addressing = 1;
1480                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1481                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1482                         return;
1483                 }
1484         }
1485
1486         dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1487         pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1488 }
1489
1490 static void
1491 qla2x00_enable_intrs(struct qla_hw_data *ha)
1492 {
1493         unsigned long flags = 0;
1494         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1495
1496         spin_lock_irqsave(&ha->hardware_lock, flags);
1497         ha->interrupts_on = 1;
1498         /* enable risc and host interrupts */
1499         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1500         RD_REG_WORD(&reg->ictrl);
1501         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1502
1503 }
1504
1505 static void
1506 qla2x00_disable_intrs(struct qla_hw_data *ha)
1507 {
1508         unsigned long flags = 0;
1509         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1510
1511         spin_lock_irqsave(&ha->hardware_lock, flags);
1512         ha->interrupts_on = 0;
1513         /* disable risc and host interrupts */
1514         WRT_REG_WORD(&reg->ictrl, 0);
1515         RD_REG_WORD(&reg->ictrl);
1516         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1517 }
1518
1519 static void
1520 qla24xx_enable_intrs(struct qla_hw_data *ha)
1521 {
1522         unsigned long flags = 0;
1523         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1524
1525         spin_lock_irqsave(&ha->hardware_lock, flags);
1526         ha->interrupts_on = 1;
1527         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1528         RD_REG_DWORD(&reg->ictrl);
1529         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1530 }
1531
1532 static void
1533 qla24xx_disable_intrs(struct qla_hw_data *ha)
1534 {
1535         unsigned long flags = 0;
1536         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1537
1538         if (IS_NOPOLLING_TYPE(ha))
1539                 return;
1540         spin_lock_irqsave(&ha->hardware_lock, flags);
1541         ha->interrupts_on = 0;
1542         WRT_REG_DWORD(&reg->ictrl, 0);
1543         RD_REG_DWORD(&reg->ictrl);
1544         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1545 }
1546
1547 static struct isp_operations qla2100_isp_ops = {
1548         .pci_config             = qla2100_pci_config,
1549         .reset_chip             = qla2x00_reset_chip,
1550         .chip_diag              = qla2x00_chip_diag,
1551         .config_rings           = qla2x00_config_rings,
1552         .reset_adapter          = qla2x00_reset_adapter,
1553         .nvram_config           = qla2x00_nvram_config,
1554         .update_fw_options      = qla2x00_update_fw_options,
1555         .load_risc              = qla2x00_load_risc,
1556         .pci_info_str           = qla2x00_pci_info_str,
1557         .fw_version_str         = qla2x00_fw_version_str,
1558         .intr_handler           = qla2100_intr_handler,
1559         .enable_intrs           = qla2x00_enable_intrs,
1560         .disable_intrs          = qla2x00_disable_intrs,
1561         .abort_command          = qla2x00_abort_command,
1562         .target_reset           = qla2x00_abort_target,
1563         .lun_reset              = qla2x00_lun_reset,
1564         .fabric_login           = qla2x00_login_fabric,
1565         .fabric_logout          = qla2x00_fabric_logout,
1566         .calc_req_entries       = qla2x00_calc_iocbs_32,
1567         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1568         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1569         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1570         .read_nvram             = qla2x00_read_nvram_data,
1571         .write_nvram            = qla2x00_write_nvram_data,
1572         .fw_dump                = qla2100_fw_dump,
1573         .beacon_on              = NULL,
1574         .beacon_off             = NULL,
1575         .beacon_blink           = NULL,
1576         .read_optrom            = qla2x00_read_optrom_data,
1577         .write_optrom           = qla2x00_write_optrom_data,
1578         .get_flash_version      = qla2x00_get_flash_version,
1579         .start_scsi             = qla2x00_start_scsi,
1580         .abort_isp              = qla2x00_abort_isp,
1581 };
1582
1583 static struct isp_operations qla2300_isp_ops = {
1584         .pci_config             = qla2300_pci_config,
1585         .reset_chip             = qla2x00_reset_chip,
1586         .chip_diag              = qla2x00_chip_diag,
1587         .config_rings           = qla2x00_config_rings,
1588         .reset_adapter          = qla2x00_reset_adapter,
1589         .nvram_config           = qla2x00_nvram_config,
1590         .update_fw_options      = qla2x00_update_fw_options,
1591         .load_risc              = qla2x00_load_risc,
1592         .pci_info_str           = qla2x00_pci_info_str,
1593         .fw_version_str         = qla2x00_fw_version_str,
1594         .intr_handler           = qla2300_intr_handler,
1595         .enable_intrs           = qla2x00_enable_intrs,
1596         .disable_intrs          = qla2x00_disable_intrs,
1597         .abort_command          = qla2x00_abort_command,
1598         .target_reset           = qla2x00_abort_target,
1599         .lun_reset              = qla2x00_lun_reset,
1600         .fabric_login           = qla2x00_login_fabric,
1601         .fabric_logout          = qla2x00_fabric_logout,
1602         .calc_req_entries       = qla2x00_calc_iocbs_32,
1603         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1604         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1605         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1606         .read_nvram             = qla2x00_read_nvram_data,
1607         .write_nvram            = qla2x00_write_nvram_data,
1608         .fw_dump                = qla2300_fw_dump,
1609         .beacon_on              = qla2x00_beacon_on,
1610         .beacon_off             = qla2x00_beacon_off,
1611         .beacon_blink           = qla2x00_beacon_blink,
1612         .read_optrom            = qla2x00_read_optrom_data,
1613         .write_optrom           = qla2x00_write_optrom_data,
1614         .get_flash_version      = qla2x00_get_flash_version,
1615         .start_scsi             = qla2x00_start_scsi,
1616         .abort_isp              = qla2x00_abort_isp,
1617 };
1618
1619 static struct isp_operations qla24xx_isp_ops = {
1620         .pci_config             = qla24xx_pci_config,
1621         .reset_chip             = qla24xx_reset_chip,
1622         .chip_diag              = qla24xx_chip_diag,
1623         .config_rings           = qla24xx_config_rings,
1624         .reset_adapter          = qla24xx_reset_adapter,
1625         .nvram_config           = qla24xx_nvram_config,
1626         .update_fw_options      = qla24xx_update_fw_options,
1627         .load_risc              = qla24xx_load_risc,
1628         .pci_info_str           = qla24xx_pci_info_str,
1629         .fw_version_str         = qla24xx_fw_version_str,
1630         .intr_handler           = qla24xx_intr_handler,
1631         .enable_intrs           = qla24xx_enable_intrs,
1632         .disable_intrs          = qla24xx_disable_intrs,
1633         .abort_command          = qla24xx_abort_command,
1634         .target_reset           = qla24xx_abort_target,
1635         .lun_reset              = qla24xx_lun_reset,
1636         .fabric_login           = qla24xx_login_fabric,
1637         .fabric_logout          = qla24xx_fabric_logout,
1638         .calc_req_entries       = NULL,
1639         .build_iocbs            = NULL,
1640         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1641         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1642         .read_nvram             = qla24xx_read_nvram_data,
1643         .write_nvram            = qla24xx_write_nvram_data,
1644         .fw_dump                = qla24xx_fw_dump,
1645         .beacon_on              = qla24xx_beacon_on,
1646         .beacon_off             = qla24xx_beacon_off,
1647         .beacon_blink           = qla24xx_beacon_blink,
1648         .read_optrom            = qla24xx_read_optrom_data,
1649         .write_optrom           = qla24xx_write_optrom_data,
1650         .get_flash_version      = qla24xx_get_flash_version,
1651         .start_scsi             = qla24xx_start_scsi,
1652         .abort_isp              = qla2x00_abort_isp,
1653 };
1654
1655 static struct isp_operations qla25xx_isp_ops = {
1656         .pci_config             = qla25xx_pci_config,
1657         .reset_chip             = qla24xx_reset_chip,
1658         .chip_diag              = qla24xx_chip_diag,
1659         .config_rings           = qla24xx_config_rings,
1660         .reset_adapter          = qla24xx_reset_adapter,
1661         .nvram_config           = qla24xx_nvram_config,
1662         .update_fw_options      = qla24xx_update_fw_options,
1663         .load_risc              = qla24xx_load_risc,
1664         .pci_info_str           = qla24xx_pci_info_str,
1665         .fw_version_str         = qla24xx_fw_version_str,
1666         .intr_handler           = qla24xx_intr_handler,
1667         .enable_intrs           = qla24xx_enable_intrs,
1668         .disable_intrs          = qla24xx_disable_intrs,
1669         .abort_command          = qla24xx_abort_command,
1670         .target_reset           = qla24xx_abort_target,
1671         .lun_reset              = qla24xx_lun_reset,
1672         .fabric_login           = qla24xx_login_fabric,
1673         .fabric_logout          = qla24xx_fabric_logout,
1674         .calc_req_entries       = NULL,
1675         .build_iocbs            = NULL,
1676         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1677         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1678         .read_nvram             = qla25xx_read_nvram_data,
1679         .write_nvram            = qla25xx_write_nvram_data,
1680         .fw_dump                = qla25xx_fw_dump,
1681         .beacon_on              = qla24xx_beacon_on,
1682         .beacon_off             = qla24xx_beacon_off,
1683         .beacon_blink           = qla24xx_beacon_blink,
1684         .read_optrom            = qla25xx_read_optrom_data,
1685         .write_optrom           = qla24xx_write_optrom_data,
1686         .get_flash_version      = qla24xx_get_flash_version,
1687         .start_scsi             = qla24xx_dif_start_scsi,
1688         .abort_isp              = qla2x00_abort_isp,
1689 };
1690
1691 static struct isp_operations qla81xx_isp_ops = {
1692         .pci_config             = qla25xx_pci_config,
1693         .reset_chip             = qla24xx_reset_chip,
1694         .chip_diag              = qla24xx_chip_diag,
1695         .config_rings           = qla24xx_config_rings,
1696         .reset_adapter          = qla24xx_reset_adapter,
1697         .nvram_config           = qla81xx_nvram_config,
1698         .update_fw_options      = qla81xx_update_fw_options,
1699         .load_risc              = qla81xx_load_risc,
1700         .pci_info_str           = qla24xx_pci_info_str,
1701         .fw_version_str         = qla24xx_fw_version_str,
1702         .intr_handler           = qla24xx_intr_handler,
1703         .enable_intrs           = qla24xx_enable_intrs,
1704         .disable_intrs          = qla24xx_disable_intrs,
1705         .abort_command          = qla24xx_abort_command,
1706         .target_reset           = qla24xx_abort_target,
1707         .lun_reset              = qla24xx_lun_reset,
1708         .fabric_login           = qla24xx_login_fabric,
1709         .fabric_logout          = qla24xx_fabric_logout,
1710         .calc_req_entries       = NULL,
1711         .build_iocbs            = NULL,
1712         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1713         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1714         .read_nvram             = NULL,
1715         .write_nvram            = NULL,
1716         .fw_dump                = qla81xx_fw_dump,
1717         .beacon_on              = qla24xx_beacon_on,
1718         .beacon_off             = qla24xx_beacon_off,
1719         .beacon_blink           = qla24xx_beacon_blink,
1720         .read_optrom            = qla25xx_read_optrom_data,
1721         .write_optrom           = qla24xx_write_optrom_data,
1722         .get_flash_version      = qla24xx_get_flash_version,
1723         .start_scsi             = qla24xx_dif_start_scsi,
1724         .abort_isp              = qla2x00_abort_isp,
1725 };
1726
1727 static struct isp_operations qla82xx_isp_ops = {
1728         .pci_config             = qla82xx_pci_config,
1729         .reset_chip             = qla82xx_reset_chip,
1730         .chip_diag              = qla24xx_chip_diag,
1731         .config_rings           = qla82xx_config_rings,
1732         .reset_adapter          = qla24xx_reset_adapter,
1733         .nvram_config           = qla81xx_nvram_config,
1734         .update_fw_options      = qla24xx_update_fw_options,
1735         .load_risc              = qla82xx_load_risc,
1736         .pci_info_str           = qla82xx_pci_info_str,
1737         .fw_version_str         = qla24xx_fw_version_str,
1738         .intr_handler           = qla82xx_intr_handler,
1739         .enable_intrs           = qla82xx_enable_intrs,
1740         .disable_intrs          = qla82xx_disable_intrs,
1741         .abort_command          = qla24xx_abort_command,
1742         .target_reset           = qla24xx_abort_target,
1743         .lun_reset              = qla24xx_lun_reset,
1744         .fabric_login           = qla24xx_login_fabric,
1745         .fabric_logout          = qla24xx_fabric_logout,
1746         .calc_req_entries       = NULL,
1747         .build_iocbs            = NULL,
1748         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1749         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1750         .read_nvram             = qla24xx_read_nvram_data,
1751         .write_nvram            = qla24xx_write_nvram_data,
1752         .fw_dump                = qla24xx_fw_dump,
1753         .beacon_on              = qla24xx_beacon_on,
1754         .beacon_off             = qla24xx_beacon_off,
1755         .beacon_blink           = qla24xx_beacon_blink,
1756         .read_optrom            = qla82xx_read_optrom_data,
1757         .write_optrom           = qla82xx_write_optrom_data,
1758         .get_flash_version      = qla24xx_get_flash_version,
1759         .start_scsi             = qla82xx_start_scsi,
1760         .abort_isp              = qla82xx_abort_isp,
1761 };
1762
1763 static inline void
1764 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1765 {
1766         ha->device_type = DT_EXTENDED_IDS;
1767         switch (ha->pdev->device) {
1768         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1769                 ha->device_type |= DT_ISP2100;
1770                 ha->device_type &= ~DT_EXTENDED_IDS;
1771                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1772                 break;
1773         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1774                 ha->device_type |= DT_ISP2200;
1775                 ha->device_type &= ~DT_EXTENDED_IDS;
1776                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1777                 break;
1778         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1779                 ha->device_type |= DT_ISP2300;
1780                 ha->device_type |= DT_ZIO_SUPPORTED;
1781                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1782                 break;
1783         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1784                 ha->device_type |= DT_ISP2312;
1785                 ha->device_type |= DT_ZIO_SUPPORTED;
1786                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1787                 break;
1788         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1789                 ha->device_type |= DT_ISP2322;
1790                 ha->device_type |= DT_ZIO_SUPPORTED;
1791                 if (ha->pdev->subsystem_vendor == 0x1028 &&
1792                     ha->pdev->subsystem_device == 0x0170)
1793                         ha->device_type |= DT_OEM_001;
1794                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1795                 break;
1796         case PCI_DEVICE_ID_QLOGIC_ISP6312:
1797                 ha->device_type |= DT_ISP6312;
1798                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1799                 break;
1800         case PCI_DEVICE_ID_QLOGIC_ISP6322:
1801                 ha->device_type |= DT_ISP6322;
1802                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1803                 break;
1804         case PCI_DEVICE_ID_QLOGIC_ISP2422:
1805                 ha->device_type |= DT_ISP2422;
1806                 ha->device_type |= DT_ZIO_SUPPORTED;
1807                 ha->device_type |= DT_FWI2;
1808                 ha->device_type |= DT_IIDMA;
1809                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1810                 break;
1811         case PCI_DEVICE_ID_QLOGIC_ISP2432:
1812                 ha->device_type |= DT_ISP2432;
1813                 ha->device_type |= DT_ZIO_SUPPORTED;
1814                 ha->device_type |= DT_FWI2;
1815                 ha->device_type |= DT_IIDMA;
1816                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1817                 break;
1818         case PCI_DEVICE_ID_QLOGIC_ISP8432:
1819                 ha->device_type |= DT_ISP8432;
1820                 ha->device_type |= DT_ZIO_SUPPORTED;
1821                 ha->device_type |= DT_FWI2;
1822                 ha->device_type |= DT_IIDMA;
1823                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1824                 break;
1825         case PCI_DEVICE_ID_QLOGIC_ISP5422:
1826                 ha->device_type |= DT_ISP5422;
1827                 ha->device_type |= DT_FWI2;
1828                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1829                 break;
1830         case PCI_DEVICE_ID_QLOGIC_ISP5432:
1831                 ha->device_type |= DT_ISP5432;
1832                 ha->device_type |= DT_FWI2;
1833                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1834                 break;
1835         case PCI_DEVICE_ID_QLOGIC_ISP2532:
1836                 ha->device_type |= DT_ISP2532;
1837                 ha->device_type |= DT_ZIO_SUPPORTED;
1838                 ha->device_type |= DT_FWI2;
1839                 ha->device_type |= DT_IIDMA;
1840                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1841                 break;
1842         case PCI_DEVICE_ID_QLOGIC_ISP8001:
1843                 ha->device_type |= DT_ISP8001;
1844                 ha->device_type |= DT_ZIO_SUPPORTED;
1845                 ha->device_type |= DT_FWI2;
1846                 ha->device_type |= DT_IIDMA;
1847                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1848                 break;
1849         case PCI_DEVICE_ID_QLOGIC_ISP8021:
1850                 ha->device_type |= DT_ISP8021;
1851                 ha->device_type |= DT_ZIO_SUPPORTED;
1852                 ha->device_type |= DT_FWI2;
1853                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1854                 /* Initialize 82XX ISP flags */
1855                 qla82xx_init_flags(ha);
1856                 break;
1857         }
1858
1859         if (IS_QLA82XX(ha))
1860                 ha->port_no = !(ha->portnum & 1);
1861         else
1862                 /* Get adapter physical port no from interrupt pin register. */
1863                 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1864
1865         if (ha->port_no & 1)
1866                 ha->flags.port0 = 1;
1867         else
1868                 ha->flags.port0 = 0;
1869         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
1870             "device_type=0x%x port=%d fw_srisc_address=%p.\n",
1871             ha->device_type, ha->flags.port0, ha->fw_srisc_address);
1872 }
1873
1874 static int
1875 qla2x00_iospace_config(struct qla_hw_data *ha)
1876 {
1877         resource_size_t pio;
1878         uint16_t msix;
1879         int cpus;
1880
1881         if (IS_QLA82XX(ha))
1882                 return qla82xx_iospace_config(ha);
1883
1884         if (pci_request_selected_regions(ha->pdev, ha->bars,
1885             QLA2XXX_DRIVER_NAME)) {
1886                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1887                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1888                     pci_name(ha->pdev));
1889                 goto iospace_error_exit;
1890         }
1891         if (!(ha->bars & 1))
1892                 goto skip_pio;
1893
1894         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1895         pio = pci_resource_start(ha->pdev, 0);
1896         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1897                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1898                         ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1899                             "Invalid pci I/O region size (%s).\n",
1900                             pci_name(ha->pdev));
1901                         pio = 0;
1902                 }
1903         } else {
1904                 ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1905                     "Region #0 no a PIO resource (%s).\n",
1906                     pci_name(ha->pdev));
1907                 pio = 0;
1908         }
1909         ha->pio_address = pio;
1910         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1911             "PIO address=%p.\n",
1912             ha->pio_address);
1913
1914 skip_pio:
1915         /* Use MMIO operations for all accesses. */
1916         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1917                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1918                     "Region #1 not an MMIO resource (%s), aborting.\n",
1919                     pci_name(ha->pdev));
1920                 goto iospace_error_exit;
1921         }
1922         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1923                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1924                     "Invalid PCI mem region size (%s), aborting.\n",
1925                     pci_name(ha->pdev));
1926                 goto iospace_error_exit;
1927         }
1928
1929         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1930         if (!ha->iobase) {
1931                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
1932                     "Cannot remap MMIO (%s), aborting.\n",
1933                     pci_name(ha->pdev));
1934                 goto iospace_error_exit;
1935         }
1936
1937         /* Determine queue resources */
1938         ha->max_req_queues = ha->max_rsp_queues = 1;
1939         if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1940                 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1941                 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1942                 goto mqiobase_exit;
1943
1944         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1945                         pci_resource_len(ha->pdev, 3));
1946         if (ha->mqiobase) {
1947                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
1948                     "MQIO Base=%p.\n", ha->mqiobase);
1949                 /* Read MSIX vector size of the board */
1950                 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1951                 ha->msix_count = msix;
1952                 /* Max queues are bounded by available msix vectors */
1953                 /* queue 0 uses two msix vectors */
1954                 if (ql2xmultique_tag) {
1955                         cpus = num_online_cpus();
1956                         ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1957                                 (cpus + 1) : (ha->msix_count - 1);
1958                         ha->max_req_queues = 2;
1959                 } else if (ql2xmaxqueues > 1) {
1960                         ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1961                             QLA_MQ_SIZE : ql2xmaxqueues;
1962                         ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc008,
1963                             "QoS mode set, max no of request queues:%d.\n",
1964                             ha->max_req_queues);
1965                         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0019,
1966                             "QoS mode set, max no of request queues:%d.\n",
1967                             ha->max_req_queues);
1968                 }
1969                 ql_log_pci(ql_log_info, ha->pdev, 0x001a,
1970                     "MSI-X vector count: %d.\n", msix);
1971         } else
1972                 ql_log_pci(ql_log_info, ha->pdev, 0x001b,
1973                     "BAR 3 not enabled.\n");
1974
1975 mqiobase_exit:
1976         ha->msix_count = ha->max_rsp_queues + 1;
1977         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
1978             "MSIX Count:%d.\n", ha->msix_count);
1979         return (0);
1980
1981 iospace_error_exit:
1982         return (-ENOMEM);
1983 }
1984
1985 static void
1986 qla2xxx_scan_start(struct Scsi_Host *shost)
1987 {
1988         scsi_qla_host_t *vha = shost_priv(shost);
1989
1990         if (vha->hw->flags.running_gold_fw)
1991                 return;
1992
1993         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1994         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1995         set_bit(RSCN_UPDATE, &vha->dpc_flags);
1996         set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1997 }
1998
1999 static int
2000 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2001 {
2002         scsi_qla_host_t *vha = shost_priv(shost);
2003
2004         if (!vha->host)
2005                 return 1;
2006         if (time > vha->hw->loop_reset_delay * HZ)
2007                 return 1;
2008
2009         return atomic_read(&vha->loop_state) == LOOP_READY;
2010 }
2011
2012 /*
2013  * PCI driver interface
2014  */
2015 static int __devinit
2016 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2017 {
2018         int     ret = -ENODEV;
2019         struct Scsi_Host *host;
2020         scsi_qla_host_t *base_vha = NULL;
2021         struct qla_hw_data *ha;
2022         char pci_info[30];
2023         char fw_str[30];
2024         struct scsi_host_template *sht;
2025         int bars, max_id, mem_only = 0;
2026         uint16_t req_length = 0, rsp_length = 0;
2027         struct req_que *req = NULL;
2028         struct rsp_que *rsp = NULL;
2029
2030         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2031         sht = &qla2xxx_driver_template;
2032         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2033             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2034             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2035             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2036             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2037             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2038             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2039             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
2040                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
2041                 mem_only = 1;
2042                 ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2043                     "Mem only adapter.\n");
2044         }
2045         ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2046             "Bars=%d.\n", bars);
2047
2048         if (mem_only) {
2049                 if (pci_enable_device_mem(pdev))
2050                         goto probe_out;
2051         } else {
2052                 if (pci_enable_device(pdev))
2053                         goto probe_out;
2054         }
2055
2056         /* This may fail but that's ok */
2057         pci_enable_pcie_error_reporting(pdev);
2058
2059         ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2060         if (!ha) {
2061                 ql_log_pci(ql_log_fatal, pdev, 0x0009,
2062                     "Unable to allocate memory for ha.\n");
2063                 goto probe_out;
2064         }
2065         ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2066             "Memory allocated for ha=%p.\n", ha);
2067         ha->pdev = pdev;
2068
2069         /* Clear our data area */
2070         ha->bars = bars;
2071         ha->mem_only = mem_only;
2072         spin_lock_init(&ha->hardware_lock);
2073         spin_lock_init(&ha->vport_slock);
2074
2075         /* Set ISP-type information. */
2076         qla2x00_set_isp_flags(ha);
2077
2078         /* Set EEH reset type to fundamental if required by hba */
2079         if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
2080                 pdev->needs_freset = 1;
2081         }
2082
2083         /* Configure PCI I/O space */
2084         ret = qla2x00_iospace_config(ha);
2085         if (ret)
2086                 goto probe_hw_failed;
2087
2088         ql_log_pci(ql_log_info, pdev, 0x001d,
2089             "Found an ISP%04X irq %d iobase 0x%p.\n",
2090             pdev->device, pdev->irq, ha->iobase);
2091         ha->prev_topology = 0;
2092         ha->init_cb_size = sizeof(init_cb_t);
2093         ha->link_data_rate = PORT_SPEED_UNKNOWN;
2094         ha->optrom_size = OPTROM_SIZE_2300;
2095
2096         /* Assign ISP specific operations. */
2097         max_id = MAX_TARGETS_2200;
2098         if (IS_QLA2100(ha)) {
2099                 max_id = MAX_TARGETS_2100;
2100                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2101                 req_length = REQUEST_ENTRY_CNT_2100;
2102                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2103                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2104                 ha->gid_list_info_size = 4;
2105                 ha->flash_conf_off = ~0;
2106                 ha->flash_data_off = ~0;
2107                 ha->nvram_conf_off = ~0;
2108                 ha->nvram_data_off = ~0;
2109                 ha->isp_ops = &qla2100_isp_ops;
2110         } else if (IS_QLA2200(ha)) {
2111                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2112                 req_length = REQUEST_ENTRY_CNT_2200;
2113                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2114                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2115                 ha->gid_list_info_size = 4;
2116                 ha->flash_conf_off = ~0;
2117                 ha->flash_data_off = ~0;
2118                 ha->nvram_conf_off = ~0;
2119                 ha->nvram_data_off = ~0;
2120                 ha->isp_ops = &qla2100_isp_ops;
2121         } else if (IS_QLA23XX(ha)) {
2122                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2123                 req_length = REQUEST_ENTRY_CNT_2200;
2124                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2125                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2126                 ha->gid_list_info_size = 6;
2127                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2128                         ha->optrom_size = OPTROM_SIZE_2322;
2129                 ha->flash_conf_off = ~0;
2130                 ha->flash_data_off = ~0;
2131                 ha->nvram_conf_off = ~0;
2132                 ha->nvram_data_off = ~0;
2133                 ha->isp_ops = &qla2300_isp_ops;
2134         } else if (IS_QLA24XX_TYPE(ha)) {
2135                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2136                 req_length = REQUEST_ENTRY_CNT_24XX;
2137                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2138                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2139                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2140                 ha->gid_list_info_size = 8;
2141                 ha->optrom_size = OPTROM_SIZE_24XX;
2142                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2143                 ha->isp_ops = &qla24xx_isp_ops;
2144                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2145                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2146                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2147                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2148         } else if (IS_QLA25XX(ha)) {
2149                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2150                 req_length = REQUEST_ENTRY_CNT_24XX;
2151                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2152                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2153                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2154                 ha->gid_list_info_size = 8;
2155                 ha->optrom_size = OPTROM_SIZE_25XX;
2156                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2157                 ha->isp_ops = &qla25xx_isp_ops;
2158                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2159                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2160                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2161                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2162         } else if (IS_QLA81XX(ha)) {
2163                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2164                 req_length = REQUEST_ENTRY_CNT_24XX;
2165                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2166                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2167                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2168                 ha->gid_list_info_size = 8;
2169                 ha->optrom_size = OPTROM_SIZE_81XX;
2170                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2171                 ha->isp_ops = &qla81xx_isp_ops;
2172                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2173                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2174                 ha->nvram_conf_off = ~0;
2175                 ha->nvram_data_off = ~0;
2176         } else if (IS_QLA82XX(ha)) {
2177                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2178                 req_length = REQUEST_ENTRY_CNT_82XX;
2179                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2180                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2181                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2182                 ha->gid_list_info_size = 8;
2183                 ha->optrom_size = OPTROM_SIZE_82XX;
2184                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2185                 ha->isp_ops = &qla82xx_isp_ops;
2186                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2187                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2188                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2189                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2190         }
2191         ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
2192             "mbx_count=%d, req_length=%d, "
2193             "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2194             "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, .\n",
2195             ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
2196             ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2197             ha->nvram_npiv_size);
2198         ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
2199             "isp_ops=%p, flash_conf_off=%d, "
2200             "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
2201             ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
2202             ha->nvram_conf_off, ha->nvram_data_off);
2203         mutex_init(&ha->vport_lock);
2204         init_completion(&ha->mbx_cmd_comp);
2205         complete(&ha->mbx_cmd_comp);
2206         init_completion(&ha->mbx_intr_comp);
2207         init_completion(&ha->dcbx_comp);
2208
2209         set_bit(0, (unsigned long *) ha->vp_idx_map);
2210
2211         qla2x00_config_dma_addressing(ha);
2212         ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
2213             "64 Bit addressing is %s.\n",
2214             ha->flags.enable_64bit_addressing ? "enable" :
2215             "disable");
2216         ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2217         if (!ret) {
2218                 ql_log_pci(ql_log_fatal, pdev, 0x0031,
2219                     "Failed to allocate memory for adapter, aborting.\n");
2220
2221                 goto probe_hw_failed;
2222         }
2223
2224         req->max_q_depth = MAX_Q_DEPTH;
2225         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2226                 req->max_q_depth = ql2xmaxqdepth;
2227
2228
2229         base_vha = qla2x00_create_host(sht, ha);
2230         if (!base_vha) {
2231                 ret = -ENOMEM;
2232                 qla2x00_mem_free(ha);
2233                 qla2x00_free_req_que(ha, req);
2234                 qla2x00_free_rsp_que(ha, rsp);
2235                 goto probe_hw_failed;
2236         }
2237
2238         pci_set_drvdata(pdev, base_vha);
2239
2240         host = base_vha->host;
2241         base_vha->req = req;
2242         host->can_queue = req->length + 128;
2243         if (IS_QLA2XXX_MIDTYPE(ha))
2244                 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2245         else
2246                 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2247                                                 base_vha->vp_idx;
2248
2249         /* Set the SG table size based on ISP type */
2250         if (!IS_FWI2_CAPABLE(ha)) {
2251                 if (IS_QLA2100(ha))
2252                         host->sg_tablesize = 32;
2253         } else {
2254                 if (!IS_QLA82XX(ha))
2255                         host->sg_tablesize = QLA_SG_ALL;
2256         }
2257         ql_dbg(ql_dbg_init, base_vha, 0x0032,
2258             "can_queue=%d, req=%p, "
2259             "mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
2260             host->can_queue, base_vha->req,
2261             base_vha->mgmt_svr_loop_id, host->sg_tablesize);
2262         host->max_id = max_id;
2263         host->this_id = 255;
2264         host->cmd_per_lun = 3;
2265         host->unique_id = host->host_no;
2266         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
2267                 host->max_cmd_len = 32;
2268         else
2269                 host->max_cmd_len = MAX_CMDSZ;
2270         host->max_channel = MAX_BUSES - 1;
2271         host->max_lun = ql2xmaxlun;
2272         host->transportt = qla2xxx_transport_template;
2273         sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2274
2275         ql_dbg(ql_dbg_init, base_vha, 0x0033,
2276             "max_id=%d this_id=%d "
2277             "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
2278             "max_lun=%d transportt=%p, vendor_id=%d.\n", host->max_id,
2279             host->this_id, host->cmd_per_lun, host->unique_id,
2280             host->max_cmd_len, host->max_channel, host->max_lun,
2281             host->transportt, sht->vendor_id);
2282
2283         /* Set up the irqs */
2284         ret = qla2x00_request_irqs(ha, rsp);
2285         if (ret)
2286                 goto probe_init_failed;
2287
2288         pci_save_state(pdev);
2289
2290         /* Alloc arrays of request and response ring ptrs */
2291 que_init:
2292         if (!qla2x00_alloc_queues(ha)) {
2293                 ql_log(ql_log_fatal, base_vha, 0x003d,
2294                     "Failed to allocate memory for queue pointers.. aborting.\n");
2295                 goto probe_init_failed;
2296         }
2297
2298         ha->rsp_q_map[0] = rsp;
2299         ha->req_q_map[0] = req;
2300         rsp->req = req;
2301         req->rsp = rsp;
2302         set_bit(0, ha->req_qid_map);
2303         set_bit(0, ha->rsp_qid_map);
2304         /* FWI2-capable only. */
2305         req->req_q_in = &ha->iobase->isp24.req_q_in;
2306         req->req_q_out = &ha->iobase->isp24.req_q_out;
2307         rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2308         rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2309         if (ha->mqenable) {
2310                 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2311                 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2312                 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2313                 rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
2314         }
2315
2316         if (IS_QLA82XX(ha)) {
2317                 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2318                 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2319                 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2320         }
2321
2322         ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
2323             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2324             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2325         ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
2326             "req->req_q_in=%p req->req_q_out=%p "
2327             "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2328             req->req_q_in, req->req_q_out,
2329             rsp->rsp_q_in, rsp->rsp_q_out);
2330         ql_dbg(ql_dbg_init, base_vha, 0x003e,
2331             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2332             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2333         ql_dbg(ql_dbg_init, base_vha, 0x003f,
2334             "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2335             req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
2336
2337         if (qla2x00_initialize_adapter(base_vha)) {
2338                 ql_log(ql_log_fatal, base_vha, 0x00d6,
2339                     "Failed to initialize adapter - Adapter flags %x.\n",
2340                     base_vha->device_flags);
2341
2342                 if (IS_QLA82XX(ha)) {
2343                         qla82xx_idc_lock(ha);
2344                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2345                                 QLA82XX_DEV_FAILED);
2346                         qla82xx_idc_unlock(ha);
2347                         ql_log(ql_log_fatal, base_vha, 0x00d7,
2348                             "HW State: FAILED.\n");
2349                 }
2350
2351                 ret = -ENODEV;
2352                 goto probe_failed;
2353         }
2354
2355         if (ha->mqenable) {
2356                 if (qla25xx_setup_mode(base_vha)) {
2357                         ql_log(ql_log_warn, base_vha, 0x00ec,
2358                             "Failed to create queues, falling back to single queue mode.\n");
2359                         goto que_init;
2360                 }
2361         }
2362
2363         if (ha->flags.running_gold_fw)
2364                 goto skip_dpc;
2365
2366         /*
2367          * Startup the kernel thread for this host adapter
2368          */
2369         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2370             "%s_dpc", base_vha->host_str);
2371         if (IS_ERR(ha->dpc_thread)) {
2372                 ql_log(ql_log_fatal, base_vha, 0x00ed,
2373                     "Failed to start DPC thread.\n");
2374                 ret = PTR_ERR(ha->dpc_thread);
2375                 goto probe_failed;
2376         }
2377         ql_dbg(ql_dbg_init, base_vha, 0x00ee,
2378             "DPC thread started successfully.\n");
2379
2380 skip_dpc:
2381         list_add_tail(&base_vha->list, &ha->vp_list);
2382         base_vha->host->irq = ha->pdev->irq;
2383
2384         /* Initialized the timer */
2385         qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2386         ql_dbg(ql_dbg_init, base_vha, 0x00ef,
2387             "Started qla2x00_timer with "
2388             "interval=%d.\n", WATCH_INTERVAL);
2389         ql_dbg(ql_dbg_init, base_vha, 0x00f0,
2390             "Detected hba at address=%p.\n",
2391             ha);
2392
2393         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2394                 if (ha->fw_attributes & BIT_4) {
2395                         int prot = 0;
2396                         base_vha->flags.difdix_supported = 1;
2397                         ql_dbg(ql_dbg_init, base_vha, 0x00f1,
2398                             "Registering for DIF/DIX type 1 and 3 protection.\n");
2399                         if (ql2xenabledif == 1)
2400                                 prot = SHOST_DIX_TYPE0_PROTECTION;
2401                         scsi_host_set_prot(host,
2402                             prot | SHOST_DIF_TYPE1_PROTECTION
2403                             | SHOST_DIF_TYPE2_PROTECTION
2404                             | SHOST_DIF_TYPE3_PROTECTION
2405                             | SHOST_DIX_TYPE1_PROTECTION
2406                             | SHOST_DIX_TYPE2_PROTECTION
2407                             | SHOST_DIX_TYPE3_PROTECTION);
2408                         scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2409                 } else
2410                         base_vha->flags.difdix_supported = 0;
2411         }
2412
2413         ha->isp_ops->enable_intrs(ha);
2414
2415         ret = scsi_add_host(host, &pdev->dev);
2416         if (ret)
2417                 goto probe_failed;
2418
2419         base_vha->flags.init_done = 1;
2420         base_vha->flags.online = 1;
2421
2422         ql_dbg(ql_dbg_init, base_vha, 0x00f2,
2423             "Init done and hba is online.\n");
2424
2425         scsi_scan_host(host);
2426
2427         qla2x00_alloc_sysfs_attr(base_vha);
2428
2429         qla2x00_init_host_attr(base_vha);
2430
2431         qla2x00_dfs_setup(base_vha);
2432
2433         ql_log(ql_log_info, base_vha, 0x00fa,
2434             "QLogic Fibre Channed HBA Driver: %s.\n",
2435             qla2x00_version_str);
2436         ql_log(ql_log_info, base_vha, 0x00fb,
2437             "QLogic %s - %s.\n",
2438             ha->model_number, ha->model_desc ? ha->model_desc : "");
2439         ql_log(ql_log_info, base_vha, 0x00fc,
2440             "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
2441             pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
2442             pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
2443             base_vha->host_no,
2444             ha->isp_ops->fw_version_str(base_vha, fw_str));
2445
2446         return 0;
2447
2448 probe_init_failed:
2449         qla2x00_free_req_que(ha, req);
2450         qla2x00_free_rsp_que(ha, rsp);
2451         ha->max_req_queues = ha->max_rsp_queues = 0;
2452
2453 probe_failed:
2454         if (base_vha->timer_active)
2455                 qla2x00_stop_timer(base_vha);
2456         base_vha->flags.online = 0;
2457         if (ha->dpc_thread) {
2458                 struct task_struct *t = ha->dpc_thread;
2459
2460                 ha->dpc_thread = NULL;
2461                 kthread_stop(t);
2462         }
2463
2464         qla2x00_free_device(base_vha);
2465
2466         scsi_host_put(base_vha->host);
2467
2468 probe_hw_failed:
2469         if (IS_QLA82XX(ha)) {
2470                 qla82xx_idc_lock(ha);
2471                 qla82xx_clear_drv_active(ha);
2472                 qla82xx_idc_unlock(ha);
2473                 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2474                 if (!ql2xdbwr)
2475                         iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2476         } else {
2477                 if (ha->iobase)
2478                         iounmap(ha->iobase);
2479         }
2480         pci_release_selected_regions(ha->pdev, ha->bars);
2481         kfree(ha);
2482         ha = NULL;
2483
2484 probe_out:
2485         pci_disable_device(pdev);
2486         return ret;
2487 }
2488
2489 static void
2490 qla2x00_shutdown(struct pci_dev *pdev)
2491 {
2492         scsi_qla_host_t *vha;
2493         struct qla_hw_data  *ha;
2494
2495         vha = pci_get_drvdata(pdev);
2496         ha = vha->hw;
2497
2498         /* Turn-off FCE trace */
2499         if (ha->flags.fce_enabled) {
2500                 qla2x00_disable_fce_trace(vha, NULL, NULL);
2501                 ha->flags.fce_enabled = 0;
2502         }
2503
2504         /* Turn-off EFT trace */
2505         if (ha->eft)
2506                 qla2x00_disable_eft_trace(vha);
2507
2508         /* Stop currently executing firmware. */
2509         qla2x00_try_to_stop_firmware(vha);
2510
2511         /* Turn adapter off line */
2512         vha->flags.online = 0;
2513
2514         /* turn-off interrupts on the card */
2515         if (ha->interrupts_on) {
2516                 vha->flags.init_done = 0;
2517                 ha->isp_ops->disable_intrs(ha);
2518         }
2519
2520         qla2x00_free_irqs(vha);
2521
2522         qla2x00_free_fw_dump(ha);
2523 }
2524
2525 static void
2526 qla2x00_remove_one(struct pci_dev *pdev)
2527 {
2528         scsi_qla_host_t *base_vha, *vha;
2529         struct qla_hw_data  *ha;
2530         unsigned long flags;
2531
2532         base_vha = pci_get_drvdata(pdev);
2533         ha = base_vha->hw;
2534
2535         mutex_lock(&ha->vport_lock);
2536         while (ha->cur_vport_count) {
2537                 struct Scsi_Host *scsi_host;
2538
2539                 spin_lock_irqsave(&ha->vport_slock, flags);
2540
2541                 BUG_ON(base_vha->list.next == &ha->vp_list);
2542                 /* This assumes first entry in ha->vp_list is always base vha */
2543                 vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
2544                 scsi_host = scsi_host_get(vha->host);
2545
2546                 spin_unlock_irqrestore(&ha->vport_slock, flags);
2547                 mutex_unlock(&ha->vport_lock);
2548
2549                 fc_vport_terminate(vha->fc_vport);
2550                 scsi_host_put(vha->host);
2551
2552                 mutex_lock(&ha->vport_lock);
2553         }
2554         mutex_unlock(&ha->vport_lock);
2555
2556         set_bit(UNLOADING, &base_vha->dpc_flags);
2557
2558         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2559
2560         qla2x00_dfs_remove(base_vha);
2561
2562         qla84xx_put_chip(base_vha);
2563
2564         /* Disable timer */
2565         if (base_vha->timer_active)
2566                 qla2x00_stop_timer(base_vha);
2567
2568         base_vha->flags.online = 0;
2569
2570         /* Flush the work queue and remove it */
2571         if (ha->wq) {
2572                 flush_workqueue(ha->wq);
2573                 destroy_workqueue(ha->wq);
2574                 ha->wq = NULL;
2575         }
2576
2577         /* Kill the kernel thread for this host */
2578         if (ha->dpc_thread) {
2579                 struct task_struct *t = ha->dpc_thread;
2580
2581                 /*
2582                  * qla2xxx_wake_dpc checks for ->dpc_thread
2583                  * so we need to zero it out.
2584                  */
2585                 ha->dpc_thread = NULL;
2586                 kthread_stop(t);
2587         }
2588
2589         qla2x00_free_sysfs_attr(base_vha);
2590
2591         fc_remove_host(base_vha->host);
2592
2593         scsi_remove_host(base_vha->host);
2594
2595         qla2x00_free_device(base_vha);
2596
2597         scsi_host_put(base_vha->host);
2598
2599         if (IS_QLA82XX(ha)) {
2600                 qla82xx_idc_lock(ha);
2601                 qla82xx_clear_drv_active(ha);
2602                 qla82xx_idc_unlock(ha);
2603
2604                 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2605                 if (!ql2xdbwr)
2606                         iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2607         } else {
2608                 if (ha->iobase)
2609                         iounmap(ha->iobase);
2610
2611                 if (ha->mqiobase)
2612                         iounmap(ha->mqiobase);
2613         }
2614
2615         pci_release_selected_regions(ha->pdev, ha->bars);
2616         kfree(ha);
2617         ha = NULL;
2618
2619         pci_disable_pcie_error_reporting(pdev);
2620
2621         pci_disable_device(pdev);
2622         pci_set_drvdata(pdev, NULL);
2623 }
2624
2625 static void
2626 qla2x00_free_device(scsi_qla_host_t *vha)
2627 {
2628         struct qla_hw_data *ha = vha->hw;
2629
2630         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2631
2632         /* Disable timer */
2633         if (vha->timer_active)
2634                 qla2x00_stop_timer(vha);
2635
2636         /* Kill the kernel thread for this host */
2637         if (ha->dpc_thread) {
2638                 struct task_struct *t = ha->dpc_thread;
2639
2640                 /*
2641                  * qla2xxx_wake_dpc checks for ->dpc_thread
2642                  * so we need to zero it out.
2643                  */
2644                 ha->dpc_thread = NULL;
2645                 kthread_stop(t);
2646         }
2647
2648         qla25xx_delete_queues(vha);
2649
2650         if (ha->flags.fce_enabled)
2651                 qla2x00_disable_fce_trace(vha, NULL, NULL);
2652
2653         if (ha->eft)
2654                 qla2x00_disable_eft_trace(vha);
2655
2656         /* Stop currently executing firmware. */
2657         qla2x00_try_to_stop_firmware(vha);
2658
2659         vha->flags.online = 0;
2660
2661         /* turn-off interrupts on the card */
2662         if (ha->interrupts_on) {
2663                 vha->flags.init_done = 0;
2664                 ha->isp_ops->disable_intrs(ha);
2665         }
2666
2667         qla2x00_free_irqs(vha);
2668
2669         qla2x00_free_fcports(vha);
2670
2671         qla2x00_mem_free(ha);
2672
2673         qla2x00_free_queues(ha);
2674 }
2675
2676 void qla2x00_free_fcports(struct scsi_qla_host *vha)
2677 {
2678         fc_port_t *fcport, *tfcport;
2679
2680         list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
2681                 list_del(&fcport->list);
2682                 kfree(fcport);
2683                 fcport = NULL;
2684         }
2685 }
2686
2687 static inline void
2688 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2689     int defer)
2690 {
2691         struct fc_rport *rport;
2692         scsi_qla_host_t *base_vha;
2693         unsigned long flags;
2694
2695         if (!fcport->rport)
2696                 return;
2697
2698         rport = fcport->rport;
2699         if (defer) {
2700                 base_vha = pci_get_drvdata(vha->hw->pdev);
2701                 spin_lock_irqsave(vha->host->host_lock, flags);
2702                 fcport->drport = rport;
2703                 spin_unlock_irqrestore(vha->host->host_lock, flags);
2704                 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2705                 qla2xxx_wake_dpc(base_vha);
2706         } else
2707                 fc_remote_port_delete(rport);
2708 }
2709
2710 /*
2711  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2712  *
2713  * Input: ha = adapter block pointer.  fcport = port structure pointer.
2714  *
2715  * Return: None.
2716  *
2717  * Context:
2718  */
2719 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2720     int do_login, int defer)
2721 {
2722         if (atomic_read(&fcport->state) == FCS_ONLINE &&
2723             vha->vp_idx == fcport->vp_idx) {
2724                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2725                 qla2x00_schedule_rport_del(vha, fcport, defer);
2726         }
2727         /*
2728          * We may need to retry the login, so don't change the state of the
2729          * port but do the retries.
2730          */
2731         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2732                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2733
2734         if (!do_login)
2735                 return;
2736
2737         if (fcport->login_retry == 0) {
2738                 fcport->login_retry = vha->hw->login_retry_count;
2739                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2740
2741                 ql_dbg(ql_dbg_disc, vha, 0x2067,
2742                     "Port login retry "
2743                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
2744                     "id = 0x%04x retry cnt=%d.\n",
2745                     fcport->port_name[0], fcport->port_name[1],
2746                     fcport->port_name[2], fcport->port_name[3],
2747                     fcport->port_name[4], fcport->port_name[5],
2748                     fcport->port_name[6], fcport->port_name[7],
2749                     fcport->loop_id, fcport->login_retry);
2750         }
2751 }
2752
2753 /*
2754  * qla2x00_mark_all_devices_lost
2755  *      Updates fcport state when device goes offline.
2756  *
2757  * Input:
2758  *      ha = adapter block pointer.
2759  *      fcport = port structure pointer.
2760  *
2761  * Return:
2762  *      None.
2763  *
2764  * Context:
2765  */
2766 void
2767 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2768 {
2769         fc_port_t *fcport;
2770
2771         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2772                 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2773                         continue;
2774
2775                 /*
2776                  * No point in marking the device as lost, if the device is
2777                  * already DEAD.
2778                  */
2779                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2780                         continue;
2781                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2782                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2783                         if (defer)
2784                                 qla2x00_schedule_rport_del(vha, fcport, defer);
2785                         else if (vha->vp_idx == fcport->vp_idx)
2786                                 qla2x00_schedule_rport_del(vha, fcport, defer);
2787                 }
2788         }
2789 }
2790
2791 /*
2792 * qla2x00_mem_alloc
2793 *      Allocates adapter memory.
2794 *
2795 * Returns:
2796 *      0  = success.
2797 *      !0  = failure.
2798 */
2799 static int
2800 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2801         struct req_que **req, struct rsp_que **rsp)
2802 {
2803         char    name[16];
2804
2805         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2806                 &ha->init_cb_dma, GFP_KERNEL);
2807         if (!ha->init_cb)
2808                 goto fail;
2809
2810         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2811                 &ha->gid_list_dma, GFP_KERNEL);
2812         if (!ha->gid_list)
2813                 goto fail_free_init_cb;
2814
2815         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2816         if (!ha->srb_mempool)
2817                 goto fail_free_gid_list;
2818
2819         if (IS_QLA82XX(ha)) {
2820                 /* Allocate cache for CT6 Ctx. */
2821                 if (!ctx_cachep) {
2822                         ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2823                                 sizeof(struct ct6_dsd), 0,
2824                                 SLAB_HWCACHE_ALIGN, NULL);
2825                         if (!ctx_cachep)
2826                                 goto fail_free_gid_list;
2827                 }
2828                 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2829                         ctx_cachep);
2830                 if (!ha->ctx_mempool)
2831                         goto fail_free_srb_mempool;
2832                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
2833                     "ctx_cachep=%p ctx_mempool=%p.\n",
2834                     ctx_cachep, ha->ctx_mempool);
2835         }
2836
2837         /* Get memory for cached NVRAM */
2838         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2839         if (!ha->nvram)
2840                 goto fail_free_ctx_mempool;
2841
2842         snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2843                 ha->pdev->device);
2844         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2845                 DMA_POOL_SIZE, 8, 0);
2846         if (!ha->s_dma_pool)
2847                 goto fail_free_nvram;
2848
2849         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
2850             "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
2851             ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
2852
2853         if (IS_QLA82XX(ha) || ql2xenabledif) {
2854                 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2855                         DSD_LIST_DMA_POOL_SIZE, 8, 0);
2856                 if (!ha->dl_dma_pool) {
2857                         ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
2858                             "Failed to allocate memory for dl_dma_pool.\n");
2859                         goto fail_s_dma_pool;
2860                 }
2861
2862                 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2863                         FCP_CMND_DMA_POOL_SIZE, 8, 0);
2864                 if (!ha->fcp_cmnd_dma_pool) {
2865                         ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
2866                             "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
2867                         goto fail_dl_dma_pool;
2868                 }
2869                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
2870                     "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
2871                     ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
2872         }
2873
2874         /* Allocate memory for SNS commands */
2875         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2876         /* Get consistent memory allocated for SNS commands */
2877                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2878                 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2879                 if (!ha->sns_cmd)
2880                         goto fail_dma_pool;
2881                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
2882                     "sns_cmd.\n", ha->sns_cmd);
2883         } else {
2884         /* Get consistent memory allocated for MS IOCB */
2885                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2886                         &ha->ms_iocb_dma);
2887                 if (!ha->ms_iocb)
2888                         goto fail_dma_pool;
2889         /* Get consistent memory allocated for CT SNS commands */
2890                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2891                         sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2892                 if (!ha->ct_sns)
2893                         goto fail_free_ms_iocb;
2894                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
2895                     "ms_iocb=%p ct_sns=%p.\n",
2896                     ha->ms_iocb, ha->ct_sns);
2897         }
2898
2899         /* Allocate memory for request ring */
2900         *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2901         if (!*req) {
2902                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
2903                     "Failed to allocate memory for req.\n");
2904                 goto fail_req;
2905         }
2906         (*req)->length = req_len;
2907         (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2908                 ((*req)->length + 1) * sizeof(request_t),
2909                 &(*req)->dma, GFP_KERNEL);
2910         if (!(*req)->ring) {
2911                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
2912                     "Failed to allocate memory for req_ring.\n");
2913                 goto fail_req_ring;
2914         }
2915         /* Allocate memory for response ring */
2916         *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2917         if (!*rsp) {
2918                 ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
2919                     "Failed to allocate memory for rsp.\n");
2920                 goto fail_rsp;
2921         }
2922         (*rsp)->hw = ha;
2923         (*rsp)->length = rsp_len;
2924         (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2925                 ((*rsp)->length + 1) * sizeof(response_t),
2926                 &(*rsp)->dma, GFP_KERNEL);
2927         if (!(*rsp)->ring) {
2928                 ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
2929                     "Failed to allocate memory for rsp_ring.\n");
2930                 goto fail_rsp_ring;
2931         }
2932         (*req)->rsp = *rsp;
2933         (*rsp)->req = *req;
2934         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
2935             "req=%p req->length=%d req->ring=%p rsp=%p "
2936             "rsp->length=%d rsp->ring=%p.\n",
2937             *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
2938             (*rsp)->ring);
2939         /* Allocate memory for NVRAM data for vports */
2940         if (ha->nvram_npiv_size) {
2941                 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2942                     ha->nvram_npiv_size, GFP_KERNEL);
2943                 if (!ha->npiv_info) {
2944                         ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
2945                             "Failed to allocate memory for npiv_info.\n");
2946                         goto fail_npiv_info;
2947                 }
2948         } else
2949                 ha->npiv_info = NULL;
2950
2951         /* Get consistent memory allocated for EX-INIT-CB. */
2952         if (IS_QLA8XXX_TYPE(ha)) {
2953                 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2954                     &ha->ex_init_cb_dma);
2955                 if (!ha->ex_init_cb)
2956                         goto fail_ex_init_cb;
2957                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
2958                     "ex_init_cb=%p.\n", ha->ex_init_cb);
2959         }
2960
2961         INIT_LIST_HEAD(&ha->gbl_dsd_list);
2962
2963         /* Get consistent memory allocated for Async Port-Database. */
2964         if (!IS_FWI2_CAPABLE(ha)) {
2965                 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2966                         &ha->async_pd_dma);
2967                 if (!ha->async_pd)
2968                         goto fail_async_pd;
2969                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
2970                     "async_pd=%p.\n", ha->async_pd);
2971         }
2972
2973         INIT_LIST_HEAD(&ha->vp_list);
2974         return 1;
2975
2976 fail_async_pd:
2977         dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2978 fail_ex_init_cb:
2979         kfree(ha->npiv_info);
2980 fail_npiv_info:
2981         dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2982                 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2983         (*rsp)->ring = NULL;
2984         (*rsp)->dma = 0;
2985 fail_rsp_ring:
2986         kfree(*rsp);
2987 fail_rsp:
2988         dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2989                 sizeof(request_t), (*req)->ring, (*req)->dma);
2990         (*req)->ring = NULL;
2991         (*req)->dma = 0;
2992 fail_req_ring:
2993         kfree(*req);
2994 fail_req:
2995         dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2996                 ha->ct_sns, ha->ct_sns_dma);
2997         ha->ct_sns = NULL;
2998         ha->ct_sns_dma = 0;
2999 fail_free_ms_iocb:
3000         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3001         ha->ms_iocb = NULL;
3002         ha->ms_iocb_dma = 0;
3003 fail_dma_pool:
3004         if (IS_QLA82XX(ha) || ql2xenabledif) {
3005                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3006                 ha->fcp_cmnd_dma_pool = NULL;
3007         }
3008 fail_dl_dma_pool:
3009         if (IS_QLA82XX(ha) || ql2xenabledif) {
3010                 dma_pool_destroy(ha->dl_dma_pool);
3011                 ha->dl_dma_pool = NULL;
3012         }
3013 fail_s_dma_pool:
3014         dma_pool_destroy(ha->s_dma_pool);
3015         ha->s_dma_pool = NULL;
3016 fail_free_nvram:
3017         kfree(ha->nvram);
3018         ha->nvram = NULL;
3019 fail_free_ctx_mempool:
3020         mempool_destroy(ha->ctx_mempool);
3021         ha->ctx_mempool = NULL;
3022 fail_free_srb_mempool:
3023         mempool_destroy(ha->srb_mempool);
3024         ha->srb_mempool = NULL;
3025 fail_free_gid_list:
3026         dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
3027         ha->gid_list_dma);
3028         ha->gid_list = NULL;
3029         ha->gid_list_dma = 0;
3030 fail_free_init_cb:
3031         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
3032         ha->init_cb_dma);
3033         ha->init_cb = NULL;
3034         ha->init_cb_dma = 0;
3035 fail:
3036         ql_log(ql_log_fatal, NULL, 0x0030,
3037             "Memory allocation failure.\n");
3038         return -ENOMEM;
3039 }
3040
3041 /*
3042 * qla2x00_free_fw_dump
3043 *       Frees fw dump stuff.
3044 *
3045 * Input:
3046 *       ha = adapter block pointer.
3047 */
3048 static void
3049 qla2x00_free_fw_dump(struct qla_hw_data *ha)
3050 {
3051         if (ha->fce)
3052                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
3053                     ha->fce_dma);
3054
3055         if (ha->fw_dump) {
3056                 if (ha->eft)
3057                         dma_free_coherent(&ha->pdev->dev,
3058                             ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
3059                 vfree(ha->fw_dump);
3060         }
3061         ha->fce = NULL;
3062         ha->fce_dma = 0;
3063         ha->eft = NULL;
3064         ha->eft_dma = 0;
3065         ha->fw_dump = NULL;
3066         ha->fw_dumped = 0;
3067         ha->fw_dump_reading = 0;
3068 }
3069
3070 /*
3071 * qla2x00_mem_free
3072 *      Frees all adapter allocated memory.
3073 *
3074 * Input:
3075 *      ha = adapter block pointer.
3076 */
3077 static void
3078 qla2x00_mem_free(struct qla_hw_data *ha)
3079 {
3080         qla2x00_free_fw_dump(ha);
3081
3082         if (ha->srb_mempool)
3083                 mempool_destroy(ha->srb_mempool);
3084
3085         if (ha->dcbx_tlv)
3086                 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
3087                     ha->dcbx_tlv, ha->dcbx_tlv_dma);
3088
3089         if (ha->xgmac_data)
3090                 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
3091                     ha->xgmac_data, ha->xgmac_data_dma);
3092
3093         if (ha->sns_cmd)
3094                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
3095                 ha->sns_cmd, ha->sns_cmd_dma);
3096
3097         if (ha->ct_sns)
3098                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3099                 ha->ct_sns, ha->ct_sns_dma);
3100
3101         if (ha->sfp_data)
3102                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
3103
3104         if (ha->edc_data)
3105                 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
3106
3107         if (ha->ms_iocb)
3108                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3109
3110         if (ha->ex_init_cb)
3111                 dma_pool_free(ha->s_dma_pool,
3112                         ha->ex_init_cb, ha->ex_init_cb_dma);
3113
3114         if (ha->async_pd)
3115                 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
3116
3117         if (ha->s_dma_pool)
3118                 dma_pool_destroy(ha->s_dma_pool);
3119
3120         if (ha->gid_list)
3121                 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
3122                 ha->gid_list_dma);
3123
3124         if (IS_QLA82XX(ha)) {
3125                 if (!list_empty(&ha->gbl_dsd_list)) {
3126                         struct dsd_dma *dsd_ptr, *tdsd_ptr;
3127
3128                         /* clean up allocated prev pool */
3129                         list_for_each_entry_safe(dsd_ptr,
3130                                 tdsd_ptr, &ha->gbl_dsd_list, list) {
3131                                 dma_pool_free(ha->dl_dma_pool,
3132                                 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
3133                                 list_del(&dsd_ptr->list);
3134                                 kfree(dsd_ptr);
3135                         }
3136                 }
3137         }
3138
3139         if (ha->dl_dma_pool)
3140                 dma_pool_destroy(ha->dl_dma_pool);
3141
3142         if (ha->fcp_cmnd_dma_pool)
3143                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3144
3145         if (ha->ctx_mempool)
3146                 mempool_destroy(ha->ctx_mempool);
3147
3148         if (ha->init_cb)
3149                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
3150                         ha->init_cb, ha->init_cb_dma);
3151         vfree(ha->optrom_buffer);
3152         kfree(ha->nvram);
3153         kfree(ha->npiv_info);
3154
3155         ha->srb_mempool = NULL;
3156         ha->ctx_mempool = NULL;
3157         ha->sns_cmd = NULL;
3158         ha->sns_cmd_dma = 0;
3159         ha->ct_sns = NULL;
3160         ha->ct_sns_dma = 0;
3161         ha->ms_iocb = NULL;
3162         ha->ms_iocb_dma = 0;
3163         ha->init_cb = NULL;
3164         ha->init_cb_dma = 0;
3165         ha->ex_init_cb = NULL;
3166         ha->ex_init_cb_dma = 0;
3167         ha->async_pd = NULL;
3168         ha->async_pd_dma = 0;
3169
3170         ha->s_dma_pool = NULL;
3171         ha->dl_dma_pool = NULL;
3172         ha->fcp_cmnd_dma_pool = NULL;
3173
3174         ha->gid_list = NULL;
3175         ha->gid_list_dma = 0;
3176 }
3177
3178 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
3179                                                 struct qla_hw_data *ha)
3180 {
3181         struct Scsi_Host *host;
3182         struct scsi_qla_host *vha = NULL;
3183
3184         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
3185         if (host == NULL) {
3186                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
3187                     "Failed to allocate host from the scsi layer, aborting.\n");
3188                 goto fail;
3189         }
3190
3191         /* Clear our data area */
3192         vha = shost_priv(host);
3193         memset(vha, 0, sizeof(scsi_qla_host_t));
3194
3195         vha->host = host;
3196         vha->host_no = host->host_no;
3197         vha->hw = ha;
3198
3199         INIT_LIST_HEAD(&vha->vp_fcports);
3200         INIT_LIST_HEAD(&vha->work_list);
3201         INIT_LIST_HEAD(&vha->list);
3202
3203         spin_lock_init(&vha->work_lock);
3204
3205         sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
3206         ql_dbg(ql_dbg_init, vha, 0x0041,
3207             "Allocated the host=%p hw=%p vha=%p dev_name=%s",
3208             vha->host, vha->hw, vha,
3209             dev_name(&(ha->pdev->dev)));
3210
3211         return vha;
3212
3213 fail:
3214         return vha;
3215 }
3216
3217 static struct qla_work_evt *
3218 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
3219 {
3220         struct qla_work_evt *e;
3221         uint8_t bail;
3222
3223         QLA_VHA_MARK_BUSY(vha, bail);
3224         if (bail)
3225                 return NULL;
3226
3227         e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
3228         if (!e) {
3229                 QLA_VHA_MARK_NOT_BUSY(vha);
3230                 return NULL;
3231         }
3232
3233         INIT_LIST_HEAD(&e->list);
3234         e->type = type;
3235         e->flags = QLA_EVT_FLAG_FREE;
3236         return e;
3237 }
3238
3239 static int
3240 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3241 {
3242         unsigned long flags;
3243
3244         spin_lock_irqsave(&vha->work_lock, flags);
3245         list_add_tail(&e->list, &vha->work_list);
3246         spin_unlock_irqrestore(&vha->work_lock, flags);
3247         qla2xxx_wake_dpc(vha);
3248
3249         return QLA_SUCCESS;
3250 }
3251
3252 int
3253 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3254     u32 data)
3255 {
3256         struct qla_work_evt *e;
3257
3258         e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3259         if (!e)
3260                 return QLA_FUNCTION_FAILED;
3261
3262         e->u.aen.code = code;
3263         e->u.aen.data = data;
3264         return qla2x00_post_work(vha, e);
3265 }
3266
3267 int
3268 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3269 {
3270         struct qla_work_evt *e;
3271
3272         e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3273         if (!e)
3274                 return QLA_FUNCTION_FAILED;
3275
3276         memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3277         return qla2x00_post_work(vha, e);
3278 }
3279
3280 #define qla2x00_post_async_work(name, type)     \
3281 int qla2x00_post_async_##name##_work(           \
3282     struct scsi_qla_host *vha,                  \
3283     fc_port_t *fcport, uint16_t *data)          \
3284 {                                               \
3285         struct qla_work_evt *e;                 \
3286                                                 \
3287         e = qla2x00_alloc_work(vha, type);      \
3288         if (!e)                                 \
3289                 return QLA_FUNCTION_FAILED;     \
3290                                                 \
3291         e->u.logio.fcport = fcport;             \
3292         if (data) {                             \
3293                 e->u.logio.data[0] = data[0];   \
3294                 e->u.logio.data[1] = data[1];   \
3295         }                                       \
3296         return qla2x00_post_work(vha, e);       \
3297 }
3298
3299 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3300 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3301 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3302 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3303 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3304 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3305
3306 int
3307 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3308 {
3309         struct qla_work_evt *e;
3310
3311         e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3312         if (!e)
3313                 return QLA_FUNCTION_FAILED;
3314
3315         e->u.uevent.code = code;
3316         return qla2x00_post_work(vha, e);
3317 }
3318
3319 static void
3320 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3321 {
3322         char event_string[40];
3323         char *envp[] = { event_string, NULL };
3324
3325         switch (code) {
3326         case QLA_UEVENT_CODE_FW_DUMP:
3327                 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3328                     vha->host_no);
3329                 break;
3330         default:
3331                 /* do nothing */
3332                 break;
3333         }
3334         kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3335 }
3336
3337 void
3338 qla2x00_do_work(struct scsi_qla_host *vha)
3339 {
3340         struct qla_work_evt *e, *tmp;
3341         unsigned long flags;
3342         LIST_HEAD(work);
3343
3344         spin_lock_irqsave(&vha->work_lock, flags);
3345         list_splice_init(&vha->work_list, &work);
3346         spin_unlock_irqrestore(&vha->work_lock, flags);
3347
3348         list_for_each_entry_safe(e, tmp, &work, list) {
3349                 list_del_init(&e->list);
3350
3351                 switch (e->type) {
3352                 case QLA_EVT_AEN:
3353                         fc_host_post_event(vha->host, fc_get_event_number(),
3354                             e->u.aen.code, e->u.aen.data);
3355                         break;
3356                 case QLA_EVT_IDC_ACK:
3357                         qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3358                         break;
3359                 case QLA_EVT_ASYNC_LOGIN:
3360                         qla2x00_async_login(vha, e->u.logio.fcport,
3361                             e->u.logio.data);
3362                         break;
3363                 case QLA_EVT_ASYNC_LOGIN_DONE:
3364                         qla2x00_async_login_done(vha, e->u.logio.fcport,
3365                             e->u.logio.data);
3366                         break;
3367                 case QLA_EVT_ASYNC_LOGOUT:
3368                         qla2x00_async_logout(vha, e->u.logio.fcport);
3369                         break;
3370                 case QLA_EVT_ASYNC_LOGOUT_DONE:
3371                         qla2x00_async_logout_done(vha, e->u.logio.fcport,
3372                             e->u.logio.data);
3373                         break;
3374                 case QLA_EVT_ASYNC_ADISC:
3375                         qla2x00_async_adisc(vha, e->u.logio.fcport,
3376                             e->u.logio.data);
3377                         break;
3378                 case QLA_EVT_ASYNC_ADISC_DONE:
3379                         qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3380                             e->u.logio.data);
3381                         break;
3382                 case QLA_EVT_UEVENT:
3383                         qla2x00_uevent_emit(vha, e->u.uevent.code);
3384                         break;
3385                 }
3386                 if (e->flags & QLA_EVT_FLAG_FREE)
3387                         kfree(e);
3388
3389                 /* For each work completed decrement vha ref count */
3390                 QLA_VHA_MARK_NOT_BUSY(vha);
3391         }
3392 }
3393
3394 /* Relogins all the fcports of a vport
3395  * Context: dpc thread
3396  */
3397 void qla2x00_relogin(struct scsi_qla_host *vha)
3398 {
3399         fc_port_t       *fcport;
3400         int status;
3401         uint16_t        next_loopid = 0;
3402         struct qla_hw_data *ha = vha->hw;
3403         uint16_t data[2];
3404
3405         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3406         /*
3407          * If the port is not ONLINE then try to login
3408          * to it if we haven't run out of retries.
3409          */
3410                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3411                     fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3412                         fcport->login_retry--;
3413                         if (fcport->flags & FCF_FABRIC_DEVICE) {
3414                                 if (fcport->flags & FCF_FCP2_DEVICE)
3415                                         ha->isp_ops->fabric_logout(vha,
3416                                                         fcport->loop_id,
3417                                                         fcport->d_id.b.domain,
3418                                                         fcport->d_id.b.area,
3419                                                         fcport->d_id.b.al_pa);
3420
3421                                 if (fcport->loop_id == FC_NO_LOOP_ID) {
3422                                         fcport->loop_id = next_loopid =
3423                                             ha->min_external_loopid;
3424                                         status = qla2x00_find_new_loop_id(
3425                                             vha, fcport);
3426                                         if (status != QLA_SUCCESS) {
3427                                                 /* Ran out of IDs to use */
3428                                                 break;
3429                                         }
3430                                 }
3431
3432                                 if (IS_ALOGIO_CAPABLE(ha)) {
3433                                         fcport->flags |= FCF_ASYNC_SENT;
3434                                         data[0] = 0;
3435                                         data[1] = QLA_LOGIO_LOGIN_RETRIED;
3436                                         status = qla2x00_post_async_login_work(
3437                                             vha, fcport, data);
3438                                         if (status == QLA_SUCCESS)
3439                                                 continue;
3440                                         /* Attempt a retry. */
3441                                         status = 1;
3442                                 } else
3443                                         status = qla2x00_fabric_login(vha,
3444                                             fcport, &next_loopid);
3445                         } else
3446                                 status = qla2x00_local_device_login(vha,
3447                                                                 fcport);
3448
3449                         if (status == QLA_SUCCESS) {
3450                                 fcport->old_loop_id = fcport->loop_id;
3451
3452                                 ql_dbg(ql_dbg_disc, vha, 0x2003,
3453                                     "Port login OK: logged in ID 0x%x.\n",
3454                                     fcport->loop_id);
3455
3456                                 qla2x00_update_fcport(vha, fcport);
3457
3458                         } else if (status == 1) {
3459                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3460                                 /* retry the login again */
3461                                 ql_dbg(ql_dbg_disc, vha, 0x2007,
3462                                     "Retrying %d login again loop_id 0x%x.\n",
3463                                     fcport->login_retry, fcport->loop_id);
3464                         } else {
3465                                 fcport->login_retry = 0;
3466                         }
3467
3468                         if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3469                                 fcport->loop_id = FC_NO_LOOP_ID;
3470                 }
3471                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3472                         break;
3473         }
3474 }
3475
3476 /**************************************************************************
3477 * qla2x00_do_dpc
3478 *   This kernel thread is a task that is schedule by the interrupt handler
3479 *   to perform the background processing for interrupts.
3480 *
3481 * Notes:
3482 * This task always run in the context of a kernel thread.  It
3483 * is kick-off by the driver's detect code and starts up
3484 * up one per adapter. It immediately goes to sleep and waits for
3485 * some fibre event.  When either the interrupt handler or
3486 * the timer routine detects a event it will one of the task
3487 * bits then wake us up.
3488 **************************************************************************/
3489 static int
3490 qla2x00_do_dpc(void *data)
3491 {
3492         int             rval;
3493         scsi_qla_host_t *base_vha;
3494         struct qla_hw_data *ha;
3495
3496         ha = (struct qla_hw_data *)data;
3497         base_vha = pci_get_drvdata(ha->pdev);
3498
3499         set_user_nice(current, -20);
3500
3501         set_current_state(TASK_INTERRUPTIBLE);
3502         while (!kthread_should_stop()) {
3503                 ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
3504                     "DPC handler sleeping.\n");
3505
3506                 schedule();
3507                 __set_current_state(TASK_RUNNING);
3508
3509                 ql_dbg(ql_dbg_dpc, base_vha, 0x4001,
3510                     "DPC handler waking up.\n");
3511                 ql_dbg(ql_dbg_dpc, base_vha, 0x4002,
3512                     "dpc_flags=0x%lx.\n", base_vha->dpc_flags);
3513
3514                 /* Initialization not yet finished. Don't do anything yet. */
3515                 if (!base_vha->flags.init_done)
3516                         continue;
3517
3518                 if (ha->flags.eeh_busy) {
3519                         ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
3520                             "eeh_busy=%d.\n", ha->flags.eeh_busy);
3521                         continue;
3522                 }
3523
3524                 ha->dpc_active = 1;
3525
3526                 if (ha->flags.mbox_busy) {
3527                         ha->dpc_active = 0;
3528                         continue;
3529                 }
3530
3531                 qla2x00_do_work(base_vha);
3532
3533                 if (IS_QLA82XX(ha)) {
3534                         if (test_and_clear_bit(ISP_UNRECOVERABLE,
3535                                 &base_vha->dpc_flags)) {
3536                                 qla82xx_idc_lock(ha);
3537                                 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3538                                         QLA82XX_DEV_FAILED);
3539                                 qla82xx_idc_unlock(ha);
3540                                 ql_log(ql_log_info, base_vha, 0x4004,
3541                                     "HW State: FAILED.\n");
3542                                 qla82xx_device_state_handler(base_vha);
3543                                 continue;
3544                         }
3545
3546                         if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3547                                 &base_vha->dpc_flags)) {
3548
3549                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
3550                                     "FCoE context reset scheduled.\n");
3551                                 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3552                                         &base_vha->dpc_flags))) {
3553                                         if (qla82xx_fcoe_ctx_reset(base_vha)) {
3554                                                 /* FCoE-ctx reset failed.
3555                                                  * Escalate to chip-reset
3556                                                  */
3557                                                 set_bit(ISP_ABORT_NEEDED,
3558                                                         &base_vha->dpc_flags);
3559                                         }
3560                                         clear_bit(ABORT_ISP_ACTIVE,
3561                                                 &base_vha->dpc_flags);
3562                                 }
3563
3564                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
3565                                     "FCoE context reset end.\n");
3566                         }
3567                 }
3568
3569                 if (test_and_clear_bit(ISP_ABORT_NEEDED,
3570                                                 &base_vha->dpc_flags)) {
3571
3572                         ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
3573                             "ISP abort scheduled.\n");
3574                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3575                             &base_vha->dpc_flags))) {
3576
3577                                 if (ha->isp_ops->abort_isp(base_vha)) {
3578                                         /* failed. retry later */
3579                                         set_bit(ISP_ABORT_NEEDED,
3580                                             &base_vha->dpc_flags);
3581                                 }
3582                                 clear_bit(ABORT_ISP_ACTIVE,
3583                                                 &base_vha->dpc_flags);
3584                         }
3585
3586                         ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
3587                             "ISP abort end.\n");
3588                 }
3589
3590                 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3591                         qla2x00_update_fcports(base_vha);
3592                         clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3593                 }
3594
3595                 if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
3596                         ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
3597                             "Quiescence mode scheduled.\n");
3598                         qla82xx_device_state_handler(base_vha);
3599                         clear_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags);
3600                         if (!ha->flags.quiesce_owner) {
3601                                 qla2x00_perform_loop_resync(base_vha);
3602
3603                                 qla82xx_idc_lock(ha);
3604                                 qla82xx_clear_qsnt_ready(base_vha);
3605                                 qla82xx_idc_unlock(ha);
3606                         }
3607                         ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
3608                             "Quiescence mode end.\n");
3609                 }
3610
3611                 if (test_and_clear_bit(RESET_MARKER_NEEDED,
3612                                                         &base_vha->dpc_flags) &&
3613                     (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
3614
3615                         ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
3616                             "Reset marker scheduled.\n");
3617                         qla2x00_rst_aen(base_vha);
3618                         clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
3619                         ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
3620                             "Reset marker end.\n");
3621                 }
3622
3623                 /* Retry each device up to login retry count */
3624                 if ((test_and_clear_bit(RELOGIN_NEEDED,
3625                                                 &base_vha->dpc_flags)) &&
3626                     !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3627                     atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
3628
3629                         ql_dbg(ql_dbg_dpc, base_vha, 0x400d,
3630                             "Relogin scheduled.\n");
3631                         qla2x00_relogin(base_vha);
3632                         ql_dbg(ql_dbg_dpc, base_vha, 0x400e,
3633                             "Relogin end.\n");
3634                 }
3635
3636                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3637                                                         &base_vha->dpc_flags)) {
3638
3639                         ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
3640                             "Loop resync scheduled.\n");
3641
3642                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
3643                             &base_vha->dpc_flags))) {
3644
3645                                 rval = qla2x00_loop_resync(base_vha);
3646
3647                                 clear_bit(LOOP_RESYNC_ACTIVE,
3648                                                 &base_vha->dpc_flags);
3649                         }
3650
3651                         ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
3652                             "Loop resync end.\n");
3653                 }
3654
3655                 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3656                     atomic_read(&base_vha->loop_state) == LOOP_READY) {
3657                         clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3658                         qla2xxx_flash_npiv_conf(base_vha);
3659                 }
3660
3661                 if (!ha->interrupts_on)
3662                         ha->isp_ops->enable_intrs(ha);
3663
3664                 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3665                                         &base_vha->dpc_flags))
3666                         ha->isp_ops->beacon_blink(base_vha);
3667
3668                 qla2x00_do_dpc_all_vps(base_vha);
3669
3670                 ha->dpc_active = 0;
3671                 set_current_state(TASK_INTERRUPTIBLE);
3672         } /* End of while(1) */
3673         __set_current_state(TASK_RUNNING);
3674
3675         ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
3676             "DPC handler exiting.\n");
3677
3678         /*
3679          * Make sure that nobody tries to wake us up again.
3680          */
3681         ha->dpc_active = 0;
3682
3683         /* Cleanup any residual CTX SRBs. */
3684         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3685
3686         return 0;
3687 }
3688
3689 void
3690 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3691 {
3692         struct qla_hw_data *ha = vha->hw;
3693         struct task_struct *t = ha->dpc_thread;
3694
3695         if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3696                 wake_up_process(t);
3697 }
3698
3699 /*
3700 *  qla2x00_rst_aen
3701 *      Processes asynchronous reset.
3702 *
3703 * Input:
3704 *      ha  = adapter block pointer.
3705 */
3706 static void
3707 qla2x00_rst_aen(scsi_qla_host_t *vha)
3708 {
3709         if (vha->flags.online && !vha->flags.reset_active &&
3710             !atomic_read(&vha->loop_down_timer) &&
3711             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3712                 do {
3713                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3714
3715                         /*
3716                          * Issue marker command only when we are going to start
3717                          * the I/O.
3718                          */
3719                         vha->marker_needed = 1;
3720                 } while (!atomic_read(&vha->loop_down_timer) &&
3721                     (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3722         }
3723 }
3724
3725 static void
3726 qla2x00_sp_free_dma(srb_t *sp)
3727 {
3728         struct scsi_cmnd *cmd = sp->cmd;
3729         struct qla_hw_data *ha = sp->fcport->vha->hw;
3730
3731         if (sp->flags & SRB_DMA_VALID) {
3732                 scsi_dma_unmap(cmd);
3733                 sp->flags &= ~SRB_DMA_VALID;
3734         }
3735
3736         if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
3737                 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
3738                     scsi_prot_sg_count(cmd), cmd->sc_data_direction);
3739                 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
3740         }
3741
3742         if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
3743                 /* List assured to be having elements */
3744                 qla2x00_clean_dsd_pool(ha, sp);
3745                 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
3746         }
3747
3748         if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
3749                 dma_pool_free(ha->dl_dma_pool, sp->ctx,
3750                     ((struct crc_context *)sp->ctx)->crc_ctx_dma);
3751                 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
3752         }
3753
3754         CMD_SP(cmd) = NULL;
3755 }
3756
3757 static void
3758 qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
3759 {
3760         struct scsi_cmnd *cmd = sp->cmd;
3761
3762         qla2x00_sp_free_dma(sp);
3763
3764         if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
3765                 struct ct6_dsd *ctx = sp->ctx;
3766                 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
3767                         ctx->fcp_cmnd_dma);
3768                 list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
3769                 ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
3770                 ha->gbl_dsd_avail += ctx->dsd_use_cnt;
3771                 mempool_free(sp->ctx, ha->ctx_mempool);
3772                 sp->ctx = NULL;
3773         }
3774
3775         mempool_free(sp, ha->srb_mempool);
3776         cmd->scsi_done(cmd);
3777 }
3778
3779 void
3780 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3781 {
3782         if (atomic_read(&sp->ref_count) == 0) {
3783                 ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3015,
3784                     "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
3785                     sp, sp->cmd);
3786                 if (ql2xextended_error_logging & ql_dbg_io)
3787                         BUG();
3788                 return;
3789         }
3790         if (!atomic_dec_and_test(&sp->ref_count))
3791                 return;
3792         qla2x00_sp_final_compl(ha, sp);
3793 }
3794
3795 /**************************************************************************
3796 *   qla2x00_timer
3797 *
3798 * Description:
3799 *   One second timer
3800 *
3801 * Context: Interrupt
3802 ***************************************************************************/
3803 void
3804 qla2x00_timer(scsi_qla_host_t *vha)
3805 {
3806         unsigned long   cpu_flags = 0;
3807         int             start_dpc = 0;
3808         int             index;
3809         srb_t           *sp;
3810         uint16_t        w;
3811         struct qla_hw_data *ha = vha->hw;
3812         struct req_que *req;
3813
3814         if (ha->flags.eeh_busy) {
3815                 ql_dbg(ql_dbg_timer, vha, 0x6000,
3816                     "EEH = %d, restarting timer.\n",
3817                     ha->flags.eeh_busy);
3818                 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3819                 return;
3820         }
3821
3822         /* Hardware read to raise pending EEH errors during mailbox waits. */
3823         if (!pci_channel_offline(ha->pdev))
3824                 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3825
3826         /* Make sure qla82xx_watchdog is run only for physical port */
3827         if (!vha->vp_idx && IS_QLA82XX(ha)) {
3828                 if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
3829                         start_dpc++;
3830                 qla82xx_watchdog(vha);
3831         }
3832
3833         /* Loop down handler. */
3834         if (atomic_read(&vha->loop_down_timer) > 0 &&
3835             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
3836             !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
3837                 && vha->flags.online) {
3838
3839                 if (atomic_read(&vha->loop_down_timer) ==
3840                     vha->loop_down_abort_time) {
3841
3842                         ql_log(ql_log_info, vha, 0x6008,
3843                             "Loop down - aborting the queues before time expires.\n");
3844
3845                         if (!IS_QLA2100(ha) && vha->link_down_timeout)
3846                                 atomic_set(&vha->loop_state, LOOP_DEAD);
3847
3848                         /*
3849                          * Schedule an ISP abort to return any FCP2-device
3850                          * commands.
3851                          */
3852                         /* NPIV - scan physical port only */
3853                         if (!vha->vp_idx) {
3854                                 spin_lock_irqsave(&ha->hardware_lock,
3855                                     cpu_flags);
3856                                 req = ha->req_q_map[0];
3857                                 for (index = 1;
3858                                     index < MAX_OUTSTANDING_COMMANDS;
3859                                     index++) {
3860                                         fc_port_t *sfcp;
3861
3862                                         sp = req->outstanding_cmds[index];
3863                                         if (!sp)
3864                                                 continue;
3865                                         if (sp->ctx && !IS_PROT_IO(sp))
3866                                                 continue;
3867                                         sfcp = sp->fcport;
3868                                         if (!(sfcp->flags & FCF_FCP2_DEVICE))
3869                                                 continue;
3870
3871                                         if (IS_QLA82XX(ha))
3872                                                 set_bit(FCOE_CTX_RESET_NEEDED,
3873                                                         &vha->dpc_flags);
3874                                         else
3875                                                 set_bit(ISP_ABORT_NEEDED,
3876                                                         &vha->dpc_flags);
3877                                         break;
3878                                 }
3879                                 spin_unlock_irqrestore(&ha->hardware_lock,
3880                                                                 cpu_flags);
3881                         }
3882                         start_dpc++;
3883                 }
3884
3885                 /* if the loop has been down for 4 minutes, reinit adapter */
3886                 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3887                         if (!(vha->device_flags & DFLG_NO_CABLE)) {
3888                                 ql_log(ql_log_warn, vha, 0x6009,
3889                                     "Loop down - aborting ISP.\n");
3890
3891                                 if (IS_QLA82XX(ha))
3892                                         set_bit(FCOE_CTX_RESET_NEEDED,
3893                                                 &vha->dpc_flags);
3894                                 else
3895                                         set_bit(ISP_ABORT_NEEDED,
3896                                                 &vha->dpc_flags);
3897                         }
3898                 }
3899                 ql_dbg(ql_dbg_timer, vha, 0x600a,
3900                     "Loop down - seconds remaining %d.\n",
3901                     atomic_read(&vha->loop_down_timer));
3902         }
3903
3904         /* Check if beacon LED needs to be blinked for physical host only */
3905         if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
3906                 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3907                 start_dpc++;
3908         }
3909
3910         /* Process any deferred work. */
3911         if (!list_empty(&vha->work_list))
3912                 start_dpc++;
3913
3914         /* Schedule the DPC routine if needed */
3915         if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3916             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3917             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3918             start_dpc ||
3919             test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3920             test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3921             test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3922             test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3923             test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3924             test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
3925                 ql_dbg(ql_dbg_timer, vha, 0x600b,
3926                     "isp_abort_needed=%d loop_resync_needed=%d "
3927                     "fcport_update_needed=%d start_dpc=%d "
3928                     "reset_marker_needed=%d",
3929                     test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
3930                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
3931                     test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
3932                     start_dpc,
3933                     test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
3934                 ql_dbg(ql_dbg_timer, vha, 0x600c,
3935                     "beacon_blink_needed=%d isp_unrecoverable=%d "
3936                     "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
3937                     "relogin_needed=%d.\n",
3938                     test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
3939                     test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
3940                     test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
3941                     test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
3942                     test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
3943                 qla2xxx_wake_dpc(vha);
3944         }
3945
3946         qla2x00_restart_timer(vha, WATCH_INTERVAL);
3947 }
3948
3949 /* Firmware interface routines. */
3950
3951 #define FW_BLOBS        8
3952 #define FW_ISP21XX      0
3953 #define FW_ISP22XX      1
3954 #define FW_ISP2300      2
3955 #define FW_ISP2322      3
3956 #define FW_ISP24XX      4
3957 #define FW_ISP25XX      5
3958 #define FW_ISP81XX      6
3959 #define FW_ISP82XX      7
3960
3961 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3962 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3963 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3964 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3965 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3966 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3967 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3968 #define FW_FILE_ISP82XX "ql8200_fw.bin"
3969
3970 static DEFINE_MUTEX(qla_fw_lock);
3971
3972 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3973         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3974         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3975         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3976         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3977         { .name = FW_FILE_ISP24XX, },
3978         { .name = FW_FILE_ISP25XX, },
3979         { .name = FW_FILE_ISP81XX, },
3980         { .name = FW_FILE_ISP82XX, },
3981 };
3982
3983 struct fw_blob *
3984 qla2x00_request_firmware(scsi_qla_host_t *vha)
3985 {
3986         struct qla_hw_data *ha = vha->hw;
3987         struct fw_blob *blob;
3988
3989         blob = NULL;
3990         if (IS_QLA2100(ha)) {
3991                 blob = &qla_fw_blobs[FW_ISP21XX];
3992         } else if (IS_QLA2200(ha)) {
3993                 blob = &qla_fw_blobs[FW_ISP22XX];
3994         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3995                 blob = &qla_fw_blobs[FW_ISP2300];
3996         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3997                 blob = &qla_fw_blobs[FW_ISP2322];
3998         } else if (IS_QLA24XX_TYPE(ha)) {
3999                 blob = &qla_fw_blobs[FW_ISP24XX];
4000         } else if (IS_QLA25XX(ha)) {
4001                 blob = &qla_fw_blobs[FW_ISP25XX];
4002         } else if (IS_QLA81XX(ha)) {
4003                 blob = &qla_fw_blobs[FW_ISP81XX];
4004         } else if (IS_QLA82XX(ha)) {
4005                 blob = &qla_fw_blobs[FW_ISP82XX];
4006         }
4007
4008         mutex_lock(&qla_fw_lock);
4009         if (blob->fw)
4010                 goto out;
4011
4012         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
4013                 ql_log(ql_log_warn, vha, 0x0063,
4014                     "Failed to load firmware image (%s).\n", blob->name);
4015                 blob->fw = NULL;
4016                 blob = NULL;
4017                 goto out;
4018         }
4019
4020 out:
4021         mutex_unlock(&qla_fw_lock);
4022         return blob;
4023 }
4024
4025 static void
4026 qla2x00_release_firmware(void)
4027 {
4028         int idx;
4029
4030         mutex_lock(&qla_fw_lock);
4031         for (idx = 0; idx < FW_BLOBS; idx++)
4032                 if (qla_fw_blobs[idx].fw)
4033                         release_firmware(qla_fw_blobs[idx].fw);
4034         mutex_unlock(&qla_fw_lock);
4035 }
4036
4037 static pci_ers_result_t
4038 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
4039 {
4040         scsi_qla_host_t *vha = pci_get_drvdata(pdev);
4041         struct qla_hw_data *ha = vha->hw;
4042
4043         ql_dbg(ql_dbg_aer, vha, 0x9000,
4044             "PCI error detected, state %x.\n", state);
4045
4046         switch (state) {
4047         case pci_channel_io_normal:
4048                 ha->flags.eeh_busy = 0;
4049                 return PCI_ERS_RESULT_CAN_RECOVER;
4050         case pci_channel_io_frozen:
4051                 ha->flags.eeh_busy = 1;
4052                 /* For ISP82XX complete any pending mailbox cmd */
4053                 if (IS_QLA82XX(ha)) {
4054                         ha->flags.isp82xx_fw_hung = 1;
4055                         if (ha->flags.mbox_busy) {
4056                                 ha->flags.mbox_int = 1;
4057                                 ql_dbg(ql_dbg_aer, vha, 0x9001,
4058                                     "Due to pci channel io frozen, doing premature "
4059                                     "completion of mbx command.\n");
4060                                 complete(&ha->mbx_intr_comp);
4061                         }
4062                 }
4063                 qla2x00_free_irqs(vha);
4064                 pci_disable_device(pdev);
4065                 /* Return back all IOs */
4066                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4067                 return PCI_ERS_RESULT_NEED_RESET;
4068         case pci_channel_io_perm_failure:
4069                 ha->flags.pci_channel_io_perm_failure = 1;
4070                 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
4071                 return PCI_ERS_RESULT_DISCONNECT;
4072         }
4073         return PCI_ERS_RESULT_NEED_RESET;
4074 }
4075
4076 static pci_ers_result_t
4077 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
4078 {
4079         int risc_paused = 0;
4080         uint32_t stat;
4081         unsigned long flags;
4082         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4083         struct qla_hw_data *ha = base_vha->hw;
4084         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4085         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
4086
4087         if (IS_QLA82XX(ha))
4088                 return PCI_ERS_RESULT_RECOVERED;
4089
4090         spin_lock_irqsave(&ha->hardware_lock, flags);
4091         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
4092                 stat = RD_REG_DWORD(&reg->hccr);
4093                 if (stat & HCCR_RISC_PAUSE)
4094                         risc_paused = 1;
4095         } else if (IS_QLA23XX(ha)) {
4096                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
4097                 if (stat & HSR_RISC_PAUSED)
4098                         risc_paused = 1;
4099         } else if (IS_FWI2_CAPABLE(ha)) {
4100                 stat = RD_REG_DWORD(&reg24->host_status);
4101                 if (stat & HSRX_RISC_PAUSED)
4102                         risc_paused = 1;
4103         }
4104         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4105
4106         if (risc_paused) {
4107                 ql_log(ql_log_info, base_vha, 0x9003,
4108                     "RISC paused -- mmio_enabled, Dumping firmware.\n");
4109                 ha->isp_ops->fw_dump(base_vha, 0);
4110
4111                 return PCI_ERS_RESULT_NEED_RESET;
4112         } else
4113                 return PCI_ERS_RESULT_RECOVERED;
4114 }
4115
4116 uint32_t qla82xx_error_recovery(scsi_qla_host_t *base_vha)
4117 {
4118         uint32_t rval = QLA_FUNCTION_FAILED;
4119         uint32_t drv_active = 0;
4120         struct qla_hw_data *ha = base_vha->hw;
4121         int fn;
4122         struct pci_dev *other_pdev = NULL;
4123
4124         ql_dbg(ql_dbg_aer, base_vha, 0x9006,
4125             "Entered %s.\n", __func__);
4126
4127         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4128
4129         if (base_vha->flags.online) {
4130                 /* Abort all outstanding commands,
4131                  * so as to be requeued later */
4132                 qla2x00_abort_isp_cleanup(base_vha);
4133         }
4134
4135
4136         fn = PCI_FUNC(ha->pdev->devfn);
4137         while (fn > 0) {
4138                 fn--;
4139                 ql_dbg(ql_dbg_aer, base_vha, 0x9007,
4140                     "Finding pci device at function = 0x%x.\n", fn);
4141                 other_pdev =
4142                     pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
4143                     ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
4144                     fn));
4145
4146                 if (!other_pdev)
4147                         continue;
4148                 if (atomic_read(&other_pdev->enable_cnt)) {
4149                         ql_dbg(ql_dbg_aer, base_vha, 0x9008,
4150                             "Found PCI func available and enable at 0x%x.\n",
4151                             fn);
4152                         pci_dev_put(other_pdev);
4153                         break;
4154                 }
4155                 pci_dev_put(other_pdev);
4156         }
4157
4158         if (!fn) {
4159                 /* Reset owner */
4160                 ql_dbg(ql_dbg_aer, base_vha, 0x9009,
4161                     "This devfn is reset owner = 0x%x.\n",
4162                     ha->pdev->devfn);
4163                 qla82xx_idc_lock(ha);
4164
4165                 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4166                     QLA82XX_DEV_INITIALIZING);
4167
4168                 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
4169                     QLA82XX_IDC_VERSION);
4170
4171                 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
4172                 ql_dbg(ql_dbg_aer, base_vha, 0x900a,
4173                     "drv_active = 0x%x.\n", drv_active);
4174
4175                 qla82xx_idc_unlock(ha);
4176                 /* Reset if device is not already reset
4177                  * drv_active would be 0 if a reset has already been done
4178                  */
4179                 if (drv_active)
4180                         rval = qla82xx_start_firmware(base_vha);
4181                 else
4182                         rval = QLA_SUCCESS;
4183                 qla82xx_idc_lock(ha);
4184
4185                 if (rval != QLA_SUCCESS) {
4186                         ql_log(ql_log_info, base_vha, 0x900b,
4187                             "HW State: FAILED.\n");
4188                         qla82xx_clear_drv_active(ha);
4189                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4190                             QLA82XX_DEV_FAILED);
4191                 } else {
4192                         ql_log(ql_log_info, base_vha, 0x900c,
4193                             "HW State: READY.\n");
4194                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4195                             QLA82XX_DEV_READY);
4196                         qla82xx_idc_unlock(ha);
4197                         ha->flags.isp82xx_fw_hung = 0;
4198                         rval = qla82xx_restart_isp(base_vha);
4199                         qla82xx_idc_lock(ha);
4200                         /* Clear driver state register */
4201                         qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
4202                         qla82xx_set_drv_active(base_vha);
4203                 }
4204                 qla82xx_idc_unlock(ha);
4205         } else {
4206                 ql_dbg(ql_dbg_aer, base_vha, 0x900d,
4207                     "This devfn is not reset owner = 0x%x.\n",
4208                     ha->pdev->devfn);
4209                 if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
4210                     QLA82XX_DEV_READY)) {
4211                         ha->flags.isp82xx_fw_hung = 0;
4212                         rval = qla82xx_restart_isp(base_vha);
4213                         qla82xx_idc_lock(ha);
4214                         qla82xx_set_drv_active(base_vha);
4215                         qla82xx_idc_unlock(ha);
4216                 }
4217         }
4218         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4219
4220         return rval;
4221 }
4222
4223 static pci_ers_result_t
4224 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
4225 {
4226         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
4227         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4228         struct qla_hw_data *ha = base_vha->hw;
4229         struct rsp_que *rsp;
4230         int rc, retries = 10;
4231
4232         ql_dbg(ql_dbg_aer, base_vha, 0x9004,
4233             "Slot Reset.\n");
4234
4235         /* Workaround: qla2xxx driver which access hardware earlier
4236          * needs error state to be pci_channel_io_online.
4237          * Otherwise mailbox command timesout.
4238          */
4239         pdev->error_state = pci_channel_io_normal;
4240
4241         pci_restore_state(pdev);
4242
4243         /* pci_restore_state() clears the saved_state flag of the device
4244          * save restored state which resets saved_state flag
4245          */
4246         pci_save_state(pdev);
4247
4248         if (ha->mem_only)
4249                 rc = pci_enable_device_mem(pdev);
4250         else
4251                 rc = pci_enable_device(pdev);
4252
4253         if (rc) {
4254                 ql_log(ql_log_warn, base_vha, 0x9005,
4255                     "Can't re-enable PCI device after reset.\n");
4256                 goto exit_slot_reset;
4257         }
4258
4259         rsp = ha->rsp_q_map[0];
4260         if (qla2x00_request_irqs(ha, rsp))
4261                 goto exit_slot_reset;
4262
4263         if (ha->isp_ops->pci_config(base_vha))
4264                 goto exit_slot_reset;
4265
4266         if (IS_QLA82XX(ha)) {
4267                 if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
4268                         ret = PCI_ERS_RESULT_RECOVERED;
4269                         goto exit_slot_reset;
4270                 } else
4271                         goto exit_slot_reset;
4272         }
4273
4274         while (ha->flags.mbox_busy && retries--)
4275                 msleep(1000);
4276
4277         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4278         if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
4279                 ret =  PCI_ERS_RESULT_RECOVERED;
4280         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4281
4282
4283 exit_slot_reset:
4284         ql_dbg(ql_dbg_aer, base_vha, 0x900e,
4285             "slot_reset return %x.\n", ret);
4286
4287         return ret;
4288 }
4289
4290 static void
4291 qla2xxx_pci_resume(struct pci_dev *pdev)
4292 {
4293         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4294         struct qla_hw_data *ha = base_vha->hw;
4295         int ret;
4296
4297         ql_dbg(ql_dbg_aer, base_vha, 0x900f,
4298             "pci_resume.\n");
4299
4300         ret = qla2x00_wait_for_hba_online(base_vha);
4301         if (ret != QLA_SUCCESS) {
4302                 ql_log(ql_log_fatal, base_vha, 0x9002,
4303                     "The device failed to resume I/O from slot/link_reset.\n");
4304         }
4305
4306         pci_cleanup_aer_uncorrect_error_status(pdev);
4307
4308         ha->flags.eeh_busy = 0;
4309 }
4310
4311 static struct pci_error_handlers qla2xxx_err_handler = {
4312         .error_detected = qla2xxx_pci_error_detected,
4313         .mmio_enabled = qla2xxx_pci_mmio_enabled,
4314         .slot_reset = qla2xxx_pci_slot_reset,
4315         .resume = qla2xxx_pci_resume,
4316 };
4317
4318 static struct pci_device_id qla2xxx_pci_tbl[] = {
4319         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
4320         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
4321         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
4322         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
4323         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
4324         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
4325         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
4326         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
4327         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4328         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
4329         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
4330         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
4331         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
4332         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
4333         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
4334         { 0 },
4335 };
4336 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
4337
4338 static struct pci_driver qla2xxx_pci_driver = {
4339         .name           = QLA2XXX_DRIVER_NAME,
4340         .driver         = {
4341                 .owner          = THIS_MODULE,
4342         },
4343         .id_table       = qla2xxx_pci_tbl,
4344         .probe          = qla2x00_probe_one,
4345         .remove         = qla2x00_remove_one,
4346         .shutdown       = qla2x00_shutdown,
4347         .err_handler    = &qla2xxx_err_handler,
4348 };
4349
4350 static struct file_operations apidev_fops = {
4351         .owner = THIS_MODULE,
4352         .llseek = noop_llseek,
4353 };
4354
4355 /**
4356  * qla2x00_module_init - Module initialization.
4357  **/
4358 static int __init
4359 qla2x00_module_init(void)
4360 {
4361         int ret = 0;
4362
4363         /* Allocate cache for SRBs. */
4364         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
4365             SLAB_HWCACHE_ALIGN, NULL);
4366         if (srb_cachep == NULL) {
4367                 ql_log(ql_log_fatal, NULL, 0x0001,
4368                     "Unable to allocate SRB cache...Failing load!.\n");
4369                 return -ENOMEM;
4370         }
4371
4372         /* Derive version string. */
4373         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
4374         if (ql2xextended_error_logging)
4375                 strcat(qla2x00_version_str, "-debug");
4376
4377         qla2xxx_transport_template =
4378             fc_attach_transport(&qla2xxx_transport_functions);
4379         if (!qla2xxx_transport_template) {
4380                 kmem_cache_destroy(srb_cachep);
4381                 ql_log(ql_log_fatal, NULL, 0x0002,
4382                     "fc_attach_transport failed...Failing load!.\n");
4383                 return -ENODEV;
4384         }
4385
4386         apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
4387         if (apidev_major < 0) {
4388                 ql_log(ql_log_fatal, NULL, 0x0003,
4389                     "Unable to register char device %s.\n", QLA2XXX_APIDEV);
4390         }
4391
4392         qla2xxx_transport_vport_template =
4393             fc_attach_transport(&qla2xxx_transport_vport_functions);
4394         if (!qla2xxx_transport_vport_template) {
4395                 kmem_cache_destroy(srb_cachep);
4396                 fc_release_transport(qla2xxx_transport_template);
4397                 ql_log(ql_log_fatal, NULL, 0x0004,
4398                     "fc_attach_transport vport failed...Failing load!.\n");
4399                 return -ENODEV;
4400         }
4401         ql_log(ql_log_info, NULL, 0x0005,
4402             "QLogic Fibre Channel HBA Driver: %s.\n",
4403             qla2x00_version_str);
4404         ret = pci_register_driver(&qla2xxx_pci_driver);
4405         if (ret) {
4406                 kmem_cache_destroy(srb_cachep);
4407                 fc_release_transport(qla2xxx_transport_template);
4408                 fc_release_transport(qla2xxx_transport_vport_template);
4409                 ql_log(ql_log_fatal, NULL, 0x0006,
4410                     "pci_register_driver failed...ret=%d Failing load!.\n",
4411                     ret);
4412         }
4413         return ret;
4414 }
4415
4416 /**
4417  * qla2x00_module_exit - Module cleanup.
4418  **/
4419 static void __exit
4420 qla2x00_module_exit(void)
4421 {
4422         unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
4423         pci_unregister_driver(&qla2xxx_pci_driver);
4424         qla2x00_release_firmware();
4425         kmem_cache_destroy(srb_cachep);
4426         if (ctx_cachep)
4427                 kmem_cache_destroy(ctx_cachep);
4428         fc_release_transport(qla2xxx_transport_template);
4429         fc_release_transport(qla2xxx_transport_vport_template);
4430 }
4431
4432 module_init(qla2x00_module_init);
4433 module_exit(qla2x00_module_exit);
4434
4435 MODULE_AUTHOR("QLogic Corporation");
4436 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
4437 MODULE_LICENSE("GPL");
4438 MODULE_VERSION(QLA2XXX_VERSION);
4439 MODULE_FIRMWARE(FW_FILE_ISP21XX);
4440 MODULE_FIRMWARE(FW_FILE_ISP22XX);
4441 MODULE_FIRMWARE(FW_FILE_ISP2300);
4442 MODULE_FIRMWARE(FW_FILE_ISP2322);
4443 MODULE_FIRMWARE(FW_FILE_ISP24XX);
4444 MODULE_FIRMWARE(FW_FILE_ISP25XX);