drivers/scsi/qla2xxx/qla_init.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 #include "qla_gbl.h"
   9
  10 #include <linux/delay.h>
  11 #include <linux/slab.h>
  12 #include <linux/vmalloc.h>
  13
  14 #include "qla_devtbl.h"
  15
  16 #ifdef CONFIG_SPARC
  17 #include <asm/prom.h>
  18 #endif
  19
  20 /*
  21 *  QLogic ISP2x00 Hardware Support Function Prototypes.
  22 */
  23 static int qla2x00_isp_firmware(scsi_qla_host_t *);
  24 static int qla2x00_setup_chip(scsi_qla_host_t *);
  25 static int qla2x00_init_rings(scsi_qla_host_t *);
  26 static int qla2x00_fw_ready(scsi_qla_host_t *);
  27 static int qla2x00_configure_hba(scsi_qla_host_t *);
  28 static int qla2x00_configure_loop(scsi_qla_host_t *);
  29 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  30 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  31 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
  32 static int qla2x00_device_resync(scsi_qla_host_t *);
  33 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
  34     uint16_t *);
  35
  36 static int qla2x00_restart_isp(scsi_qla_host_t *);
  37
  38 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  39 static int qla84xx_init_chip(scsi_qla_host_t *);
  40 static int qla25xx_init_queues(struct qla_hw_data *);
  41
  42 /* SRB Extensions ---------------------------------------------------------- */
  43
  44 static void
  45 qla2x00_ctx_sp_timeout(unsigned long __data)
  46 {
  47         srb_t *sp = (srb_t *)__data;
  48         struct srb_ctx *ctx;
  49         struct srb_iocb *iocb;
  50         fc_port_t *fcport = sp->fcport;
  51         struct qla_hw_data *ha = fcport->vha->hw;
  52         struct req_que *req;
  53         unsigned long flags;
  54
  55         spin_lock_irqsave(&ha->hardware_lock, flags);
  56         req = ha->req_q_map[0];
  57         req->outstanding_cmds[sp->handle] = NULL;
  58         ctx = sp->ctx;
  59         iocb = ctx->u.iocb_cmd;
  60         iocb->timeout(sp);
  61         iocb->free(sp);
  62         spin_unlock_irqrestore(&ha->hardware_lock, flags);
  63 }
  64
  65 static void
  66 qla2x00_ctx_sp_free(srb_t *sp)
  67 {
  68         struct srb_ctx *ctx = sp->ctx;
  69         struct srb_iocb *iocb = ctx->u.iocb_cmd;
  70         struct scsi_qla_host *vha = sp->fcport->vha;
  71
  72         del_timer(&iocb->timer);
  73         kfree(iocb);
  74         kfree(ctx);
  75         mempool_free(sp, sp->fcport->vha->hw->srb_mempool);
  76
  77         QLA_VHA_MARK_NOT_BUSY(vha);
  78 }
  79
  80 inline srb_t *
  81 qla2x00_get_ctx_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size,
  82     unsigned long tmo)
  83 {
  84         srb_t *sp = NULL;
  85         struct qla_hw_data *ha = vha->hw;
  86         struct srb_ctx *ctx;
  87         struct srb_iocb *iocb;
  88         uint8_t bail;
  89
  90         QLA_VHA_MARK_BUSY(vha, bail);
  91         if (bail)
  92                 return NULL;
  93
  94         sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
  95         if (!sp)
  96                 goto done;
  97         ctx = kzalloc(size, GFP_KERNEL);
  98         if (!ctx) {
  99                 mempool_free(sp, ha->srb_mempool);
 100                 sp = NULL;
 101                 goto done;
 102         }
 103         iocb = kzalloc(sizeof(struct srb_iocb), GFP_KERNEL);
 104         if (!iocb) {
 105                 mempool_free(sp, ha->srb_mempool);
 106                 sp = NULL;
 107                 kfree(ctx);
 108                 goto done;
 109         }
 110
 111         memset(sp, 0, sizeof(*sp));
 112         sp->fcport = fcport;
 113         sp->ctx = ctx;
 114         ctx->u.iocb_cmd = iocb;
 115         iocb->free = qla2x00_ctx_sp_free;
 116
 117         init_timer(&iocb->timer);
 118         if (!tmo)
 119                 goto done;
 120         iocb->timer.expires = jiffies + tmo * HZ;
 121         iocb->timer.data = (unsigned long)sp;
 122         iocb->timer.function = qla2x00_ctx_sp_timeout;
 123         add_timer(&iocb->timer);
 124 done:
 125         if (!sp)
 126                 QLA_VHA_MARK_NOT_BUSY(vha);
 127         return sp;
 128 }
 129
 130 /* Asynchronous Login/Logout Routines -------------------------------------- */
 131
 132 static inline unsigned long
 133 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
 134 {
 135         unsigned long tmo;
 136         struct qla_hw_data *ha = vha->hw;
 137
 138         /* Firmware should use switch negotiated r_a_tov for timeout. */
 139         tmo = ha->r_a_tov / 10 * 2;
 140         if (!IS_FWI2_CAPABLE(ha)) {
 141                 /*
 142                  * Except for earlier ISPs where the timeout is seeded from the
 143                  * initialization control block.
 144                  */
 145                 tmo = ha->login_timeout;
 146         }
 147         return tmo;
 148 }
 149
 150 static void
 151 qla2x00_async_iocb_timeout(srb_t *sp)
 152 {
 153         fc_port_t *fcport = sp->fcport;
 154         struct srb_ctx *ctx = sp->ctx;
 155
 156         ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
 157             "Async-%s timeout - portid=%02x%02x%02x.\n",
 158             ctx->name, fcport->d_id.b.domain, fcport->d_id.b.area,
 159             fcport->d_id.b.al_pa);
 160
 161         fcport->flags &= ~FCF_ASYNC_SENT;
 162         if (ctx->type == SRB_LOGIN_CMD) {
 163                 struct srb_iocb *lio = ctx->u.iocb_cmd;
 164                 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
 165                 /* Retry as needed. */
 166                 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 167                 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 168                         QLA_LOGIO_LOGIN_RETRIED : 0;
 169                 qla2x00_post_async_login_done_work(fcport->vha, fcport,
 170                         lio->u.logio.data);
 171         }
 172 }
 173
 174 static void
 175 qla2x00_async_login_ctx_done(srb_t *sp)
 176 {
 177         struct srb_ctx *ctx = sp->ctx;
 178         struct srb_iocb *lio = ctx->u.iocb_cmd;
 179
 180         qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
 181                 lio->u.logio.data);
 182         lio->free(sp);
 183 }
 184
 185 int
 186 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 187     uint16_t *data)
 188 {
 189         srb_t *sp;
 190         struct srb_ctx *ctx;
 191         struct srb_iocb *lio;
 192         int rval;
 193
 194         rval = QLA_FUNCTION_FAILED;
 195         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 196             qla2x00_get_async_timeout(vha) + 2);
 197         if (!sp)
 198                 goto done;
 199
 200         ctx = sp->ctx;
 201         ctx->type = SRB_LOGIN_CMD;
 202         ctx->name = "login";
 203         lio = ctx->u.iocb_cmd;
 204         lio->timeout = qla2x00_async_iocb_timeout;
 205         lio->done = qla2x00_async_login_ctx_done;
 206         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 207         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 208                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 209         rval = qla2x00_start_sp(sp);
 210         if (rval != QLA_SUCCESS)
 211                 goto done_free_sp;
 212
 213         ql_dbg(ql_dbg_disc, vha, 0x2072,
 214             "Async-login - loopid=%x portid=%02x%02x%02x retries=%d.\n",
 215             fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
 216             fcport->d_id.b.al_pa, fcport->login_retry);
 217         return rval;
 218
 219 done_free_sp:
 220         lio->free(sp);
 221 done:
 222         return rval;
 223 }
 224
 225 static void
 226 qla2x00_async_logout_ctx_done(srb_t *sp)
 227 {
 228         struct srb_ctx *ctx = sp->ctx;
 229         struct srb_iocb *lio = ctx->u.iocb_cmd;
 230
 231         qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
 232             lio->u.logio.data);
 233         lio->free(sp);
 234 }
 235
 236 int
 237 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 238 {
 239         srb_t *sp;
 240         struct srb_ctx *ctx;
 241         struct srb_iocb *lio;
 242         int rval;
 243
 244         rval = QLA_FUNCTION_FAILED;
 245         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 246             qla2x00_get_async_timeout(vha) + 2);
 247         if (!sp)
 248                 goto done;
 249
 250         ctx = sp->ctx;
 251         ctx->type = SRB_LOGOUT_CMD;
 252         ctx->name = "logout";
 253         lio = ctx->u.iocb_cmd;
 254         lio->timeout = qla2x00_async_iocb_timeout;
 255         lio->done = qla2x00_async_logout_ctx_done;
 256         rval = qla2x00_start_sp(sp);
 257         if (rval != QLA_SUCCESS)
 258                 goto done_free_sp;
 259
 260         ql_dbg(ql_dbg_disc, vha, 0x2070,
 261             "Async-logout - loop-id=%x portid=%02x%02x%02x.\n",
 262             fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
 263             fcport->d_id.b.al_pa);
 264         return rval;
 265
 266 done_free_sp:
 267         lio->free(sp);
 268 done:
 269         return rval;
 270 }
 271
 272 static void
 273 qla2x00_async_adisc_ctx_done(srb_t *sp)
 274 {
 275         struct srb_ctx *ctx = sp->ctx;
 276         struct srb_iocb *lio = ctx->u.iocb_cmd;
 277
 278         qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
 279             lio->u.logio.data);
 280         lio->free(sp);
 281 }
 282
 283 int
 284 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 285     uint16_t *data)
 286 {
 287         srb_t *sp;
 288         struct srb_ctx *ctx;
 289         struct srb_iocb *lio;
 290         int rval;
 291
 292         rval = QLA_FUNCTION_FAILED;
 293         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 294             qla2x00_get_async_timeout(vha) + 2);
 295         if (!sp)
 296                 goto done;
 297
 298         ctx = sp->ctx;
 299         ctx->type = SRB_ADISC_CMD;
 300         ctx->name = "adisc";
 301         lio = ctx->u.iocb_cmd;
 302         lio->timeout = qla2x00_async_iocb_timeout;
 303         lio->done = qla2x00_async_adisc_ctx_done;
 304         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 305                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 306         rval = qla2x00_start_sp(sp);
 307         if (rval != QLA_SUCCESS)
 308                 goto done_free_sp;
 309
 310         ql_dbg(ql_dbg_disc, vha, 0x206f,
 311             "Async-adisc - loopid=%x portid=%02x%02x%02x.\n",
 312             fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
 313             fcport->d_id.b.al_pa);
 314         return rval;
 315
 316 done_free_sp:
 317         lio->free(sp);
 318 done:
 319         return rval;
 320 }
 321
 322 static void
 323 qla2x00_async_tm_cmd_ctx_done(srb_t *sp)
 324 {
 325         struct srb_ctx *ctx = sp->ctx;
 326         struct srb_iocb *iocb = (struct srb_iocb *)ctx->u.iocb_cmd;
 327
 328         qla2x00_async_tm_cmd_done(sp->fcport->vha, sp->fcport, iocb);
 329         iocb->free(sp);
 330 }
 331
 332 int
 333 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
 334         uint32_t tag)
 335 {
 336         struct scsi_qla_host *vha = fcport->vha;
 337         srb_t *sp;
 338         struct srb_ctx *ctx;
 339         struct srb_iocb *tcf;
 340         int rval;
 341
 342         rval = QLA_FUNCTION_FAILED;
 343         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 344             qla2x00_get_async_timeout(vha) + 2);
 345         if (!sp)
 346                 goto done;
 347
 348         ctx = sp->ctx;
 349         ctx->type = SRB_TM_CMD;
 350         ctx->name = "tmf";
 351         tcf = ctx->u.iocb_cmd;
 352         tcf->u.tmf.flags = flags;
 353         tcf->u.tmf.lun = lun;
 354         tcf->u.tmf.data = tag;
 355         tcf->timeout = qla2x00_async_iocb_timeout;
 356         tcf->done = qla2x00_async_tm_cmd_ctx_done;
 357
 358         rval = qla2x00_start_sp(sp);
 359         if (rval != QLA_SUCCESS)
 360                 goto done_free_sp;
 361
 362         ql_dbg(ql_dbg_taskm, vha, 0x802f,
 363             "Async-tmf loop-id=%x portid=%02x%02x%02x.\n",
 364             fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
 365             fcport->d_id.b.al_pa);
 366         return rval;
 367
 368 done_free_sp:
 369         tcf->free(sp);
 370 done:
 371         return rval;
 372 }
 373
 374 void
 375 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 376     uint16_t *data)
 377 {
 378         int rval;
 379
 380         switch (data[0]) {
 381         case MBS_COMMAND_COMPLETE:
 382                 /*
 383                  * Driver must validate login state - If PRLI not complete,
 384                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
 385                  * requests.
 386                  */
 387                 rval = qla2x00_get_port_database(vha, fcport, 0);
 388                 if (rval != QLA_SUCCESS) {
 389                         qla2x00_post_async_logout_work(vha, fcport, NULL);
 390                         qla2x00_post_async_login_work(vha, fcport, NULL);
 391                         break;
 392                 }
 393                 if (fcport->flags & FCF_FCP2_DEVICE) {
 394                         qla2x00_post_async_adisc_work(vha, fcport, data);
 395                         break;
 396                 }
 397                 qla2x00_update_fcport(vha, fcport);
 398                 break;
 399         case MBS_COMMAND_ERROR:
 400                 fcport->flags &= ~FCF_ASYNC_SENT;
 401                 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 402                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 403                 else
 404                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 405                 break;
 406         case MBS_PORT_ID_USED:
 407                 fcport->loop_id = data[1];
 408                 qla2x00_post_async_logout_work(vha, fcport, NULL);
 409                 qla2x00_post_async_login_work(vha, fcport, NULL);
 410                 break;
 411         case MBS_LOOP_ID_USED:
 412                 fcport->loop_id++;
 413                 rval = qla2x00_find_new_loop_id(vha, fcport);
 414                 if (rval != QLA_SUCCESS) {
 415                         fcport->flags &= ~FCF_ASYNC_SENT;
 416                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 417                         break;
 418                 }
 419                 qla2x00_post_async_login_work(vha, fcport, NULL);
 420                 break;
 421         }
 422         return;
 423 }
 424
 425 void
 426 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 427     uint16_t *data)
 428 {
 429         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 430         return;
 431 }
 432
 433 void
 434 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 435     uint16_t *data)
 436 {
 437         if (data[0] == MBS_COMMAND_COMPLETE) {
 438                 qla2x00_update_fcport(vha, fcport);
 439
 440                 return;
 441         }
 442
 443         /* Retry login. */
 444         fcport->flags &= ~FCF_ASYNC_SENT;
 445         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 446                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 447         else
 448                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
 449
 450         return;
 451 }
 452
 453 void
 454 qla2x00_async_tm_cmd_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 455     struct srb_iocb *iocb)
 456 {
 457         int rval;
 458         uint32_t flags;
 459         uint16_t lun;
 460
 461         flags = iocb->u.tmf.flags;
 462         lun = (uint16_t)iocb->u.tmf.lun;
 463
 464         /* Issue Marker IOCB */
 465         rval = qla2x00_marker(vha, vha->hw->req_q_map[0],
 466                 vha->hw->rsp_q_map[0], fcport->loop_id, lun,
 467                 flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
 468
 469         if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
 470                 ql_dbg(ql_dbg_taskm, vha, 0x8030,
 471                     "TM IOCB failed (%x).\n", rval);
 472         }
 473
 474         return;
 475 }
 476
 477 /****************************************************************************/
 478 /*                QLogic ISP2x00 Hardware Support Functions.                */
 479 /****************************************************************************/
 480
 481 /*
 482 * qla2x00_initialize_adapter
 483 *      Initialize board.
 484 *
 485 * Input:
 486 *      ha = adapter block pointer.
 487 *
 488 * Returns:
 489 *      0 = success
 490 */
 491 int
 492 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 493 {
 494         int     rval;
 495         struct qla_hw_data *ha = vha->hw;
 496         struct req_que *req = ha->req_q_map[0];
 497
 498         /* Clear adapter flags. */
 499         vha->flags.online = 0;
 500         ha->flags.chip_reset_done = 0;
 501         vha->flags.reset_active = 0;
 502         ha->flags.pci_channel_io_perm_failure = 0;
 503         ha->flags.eeh_busy = 0;
 504         ha->flags.thermal_supported = 1;
 505         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 506         atomic_set(&vha->loop_state, LOOP_DOWN);
 507         vha->device_flags = DFLG_NO_CABLE;
 508         vha->dpc_flags = 0;
 509         vha->flags.management_server_logged_in = 0;
 510         vha->marker_needed = 0;
 511         ha->isp_abort_cnt = 0;
 512         ha->beacon_blink_led = 0;
 513
 514         set_bit(0, ha->req_qid_map);
 515         set_bit(0, ha->rsp_qid_map);
 516
 517         ql_log(ql_log_info, vha, 0x0040,
 518             "Configuring PCI space...\n");
 519         rval = ha->isp_ops->pci_config(vha);
 520         if (rval) {
 521                 ql_log(ql_log_warn, vha, 0x0044,
 522                     "Unable to configure PCI space.\n");
 523                 return (rval);
 524         }
 525
 526         ha->isp_ops->reset_chip(vha);
 527
 528         rval = qla2xxx_get_flash_info(vha);
 529         if (rval) {
 530                 ql_log(ql_log_fatal, vha, 0x004f,
 531                     "Unable to validate FLASH data.\n");
 532                 return (rval);
 533         }
 534
 535         ha->isp_ops->get_flash_version(vha, req->ring);
 536         ql_log(ql_log_info, vha, 0x0061,
 537             "Configure NVRAM parameters...\n");
 538
 539         ha->isp_ops->nvram_config(vha);
 540
 541         if (ha->flags.disable_serdes) {
 542                 /* Mask HBA via NVRAM settings? */
 543                 ql_log(ql_log_info, vha, 0x0077,
 544                     "Masking HBA WWPN "
 545                     "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
 546                     vha->port_name[0], vha->port_name[1],
 547                     vha->port_name[2], vha->port_name[3],
 548                     vha->port_name[4], vha->port_name[5],
 549                     vha->port_name[6], vha->port_name[7]);
 550                 return QLA_FUNCTION_FAILED;
 551         }
 552
 553         ql_log(ql_log_info, vha, 0x0078,
 554             "Verifying loaded RISC code...\n");
 555
 556         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 557                 rval = ha->isp_ops->chip_diag(vha);
 558                 if (rval)
 559                         return (rval);
 560                 rval = qla2x00_setup_chip(vha);
 561                 if (rval)
 562                         return (rval);
 563         }
 564
 565         if (IS_QLA84XX(ha)) {
 566                 ha->cs84xx = qla84xx_get_chip(vha);
 567                 if (!ha->cs84xx) {
 568                         ql_log(ql_log_warn, vha, 0x00d0,
 569                             "Unable to configure ISP84XX.\n");
 570                         return QLA_FUNCTION_FAILED;
 571                 }
 572         }
 573         rval = qla2x00_init_rings(vha);
 574         ha->flags.chip_reset_done = 1;
 575
 576         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
 577                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
 578                 rval = qla84xx_init_chip(vha);
 579                 if (rval != QLA_SUCCESS) {
 580                         ql_log(ql_log_warn, vha, 0x00d4,
 581                             "Unable to initialize ISP84XX.\n");
 582                 qla84xx_put_chip(vha);
 583                 }
 584         }
 585
 586         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
 587                 qla24xx_read_fcp_prio_cfg(vha);
 588
 589         return (rval);
 590 }
 591
 592 /**
 593  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 594  * @ha: HA context
 595  *
 596  * Returns 0 on success.
 597  */
 598 int
 599 qla2100_pci_config(scsi_qla_host_t *vha)
 600 {
 601         uint16_t w;
 602         unsigned long flags;
 603         struct qla_hw_data *ha = vha->hw;
 604         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 605
 606         pci_set_master(ha->pdev);
 607         pci_try_set_mwi(ha->pdev);
 608
 609         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 610         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 611         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 612
 613         pci_disable_rom(ha->pdev);
 614
 615         /* Get PCI bus information. */
 616         spin_lock_irqsave(&ha->hardware_lock, flags);
 617         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 618         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 619
 620         return QLA_SUCCESS;
 621 }
 622
 623 /**
 624  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 625  * @ha: HA context
 626  *
 627  * Returns 0 on success.
 628  */
 629 int
 630 qla2300_pci_config(scsi_qla_host_t *vha)
 631 {
 632         uint16_t        w;
 633         unsigned long   flags = 0;
 634         uint32_t        cnt;
 635         struct qla_hw_data *ha = vha->hw;
 636         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 637
 638         pci_set_master(ha->pdev);
 639         pci_try_set_mwi(ha->pdev);
 640
 641         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 642         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 643
 644         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 645                 w &= ~PCI_COMMAND_INTX_DISABLE;
 646         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 647
 648         /*
 649          * If this is a 2300 card and not 2312, reset the
 650          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 651          * the 2310 also reports itself as a 2300 so we need to get the
 652          * fb revision level -- a 6 indicates it really is a 2300 and
 653          * not a 2310.
 654          */
 655         if (IS_QLA2300(ha)) {
 656                 spin_lock_irqsave(&ha->hardware_lock, flags);
 657
 658                 /* Pause RISC. */
 659                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 660                 for (cnt = 0; cnt < 30000; cnt++) {
 661                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 662                                 break;
 663
 664                         udelay(10);
 665                 }
 666
 667                 /* Select FPM registers. */
 668                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 669                 RD_REG_WORD(&reg->ctrl_status);
 670
 671                 /* Get the fb rev level */
 672                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 673
 674                 if (ha->fb_rev == FPM_2300)
 675                         pci_clear_mwi(ha->pdev);
 676
 677                 /* Deselect FPM registers. */
 678                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 679                 RD_REG_WORD(&reg->ctrl_status);
 680
 681                 /* Release RISC module. */
 682                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 683                 for (cnt = 0; cnt < 30000; cnt++) {
 684                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 685                                 break;
 686
 687                         udelay(10);
 688                 }
 689
 690                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 691         }
 692
 693         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 694
 695         pci_disable_rom(ha->pdev);
 696
 697         /* Get PCI bus information. */
 698         spin_lock_irqsave(&ha->hardware_lock, flags);
 699         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 700         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 701
 702         return QLA_SUCCESS;
 703 }
 704
 705 /**
 706  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 707  * @ha: HA context
 708  *
 709  * Returns 0 on success.
 710  */
 711 int
 712 qla24xx_pci_config(scsi_qla_host_t *vha)
 713 {
 714         uint16_t w;
 715         unsigned long flags = 0;
 716         struct qla_hw_data *ha = vha->hw;
 717         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 718
 719         pci_set_master(ha->pdev);
 720         pci_try_set_mwi(ha->pdev);
 721
 722         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 723         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 724         w &= ~PCI_COMMAND_INTX_DISABLE;
 725         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 726
 727         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 728
 729         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 730         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 731                 pcix_set_mmrbc(ha->pdev, 2048);
 732
 733         /* PCIe -- adjust Maximum Read Request Size (2048). */
 734         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 735                 pcie_set_readrq(ha->pdev, 2048);
 736
 737         pci_disable_rom(ha->pdev);
 738
 739         ha->chip_revision = ha->pdev->revision;
 740
 741         /* Get PCI bus information. */
 742         spin_lock_irqsave(&ha->hardware_lock, flags);
 743         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 744         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 745
 746         return QLA_SUCCESS;
 747 }
 748
 749 /**
 750  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 751  * @ha: HA context
 752  *
 753  * Returns 0 on success.
 754  */
 755 int
 756 qla25xx_pci_config(scsi_qla_host_t *vha)
 757 {
 758         uint16_t w;
 759         struct qla_hw_data *ha = vha->hw;
 760
 761         pci_set_master(ha->pdev);
 762         pci_try_set_mwi(ha->pdev);
 763
 764         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 765         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 766         w &= ~PCI_COMMAND_INTX_DISABLE;
 767         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 768
 769         /* PCIe -- adjust Maximum Read Request Size (2048). */
 770         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 771                 pcie_set_readrq(ha->pdev, 2048);
 772
 773         pci_disable_rom(ha->pdev);
 774
 775         ha->chip_revision = ha->pdev->revision;
 776
 777         return QLA_SUCCESS;
 778 }
 779
 780 /**
 781  * qla2x00_isp_firmware() - Choose firmware image.
 782  * @ha: HA context
 783  *
 784  * Returns 0 on success.
 785  */
 786 static int
 787 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 788 {
 789         int  rval;
 790         uint16_t loop_id, topo, sw_cap;
 791         uint8_t domain, area, al_pa;
 792         struct qla_hw_data *ha = vha->hw;
 793
 794         /* Assume loading risc code */
 795         rval = QLA_FUNCTION_FAILED;
 796
 797         if (ha->flags.disable_risc_code_load) {
 798                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
 799
 800                 /* Verify checksum of loaded RISC code. */
 801                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 802                 if (rval == QLA_SUCCESS) {
 803                         /* And, verify we are not in ROM code. */
 804                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 805                             &area, &domain, &topo, &sw_cap);
 806                 }
 807         }
 808
 809         if (rval)
 810                 ql_dbg(ql_dbg_init, vha, 0x007a,
 811                     "**** Load RISC code ****.\n");
 812
 813         return (rval);
 814 }
 815
 816 /**
 817  * qla2x00_reset_chip() - Reset ISP chip.
 818  * @ha: HA context
 819  *
 820  * Returns 0 on success.
 821  */
 822 void
 823 qla2x00_reset_chip(scsi_qla_host_t *vha)
 824 {
 825         unsigned long   flags = 0;
 826         struct qla_hw_data *ha = vha->hw;
 827         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 828         uint32_t        cnt;
 829         uint16_t        cmd;
 830
 831         if (unlikely(pci_channel_offline(ha->pdev)))
 832                 return;
 833
 834         ha->isp_ops->disable_intrs(ha);
 835
 836         spin_lock_irqsave(&ha->hardware_lock, flags);
 837
 838         /* Turn off master enable */
 839         cmd = 0;
 840         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 841         cmd &= ~PCI_COMMAND_MASTER;
 842         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 843
 844         if (!IS_QLA2100(ha)) {
 845                 /* Pause RISC. */
 846                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 847                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 848                         for (cnt = 0; cnt < 30000; cnt++) {
 849                                 if ((RD_REG_WORD(&reg->hccr) &
 850                                     HCCR_RISC_PAUSE) != 0)
 851                                         break;
 852                                 udelay(100);
 853                         }
 854                 } else {
 855                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 856                         udelay(10);
 857                 }
 858
 859                 /* Select FPM registers. */
 860                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 861                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 862
 863                 /* FPM Soft Reset. */
 864                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 865                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 866
 867                 /* Toggle Fpm Reset. */
 868                 if (!IS_QLA2200(ha)) {
 869                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 870                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 871                 }
 872
 873                 /* Select frame buffer registers. */
 874                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 875                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 876
 877                 /* Reset frame buffer FIFOs. */
 878                 if (IS_QLA2200(ha)) {
 879                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 880                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 881                 } else {
 882                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 883
 884                         /* Read back fb_cmd until zero or 3 seconds max */
 885                         for (cnt = 0; cnt < 3000; cnt++) {
 886                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 887                                         break;
 888                                 udelay(100);
 889                         }
 890                 }
 891
 892                 /* Select RISC module registers. */
 893                 WRT_REG_WORD(&reg->ctrl_status, 0);
 894                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 895
 896                 /* Reset RISC processor. */
 897                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 898                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 899
 900                 /* Release RISC processor. */
 901                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 902                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 903         }
 904
 905         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 906         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 907
 908         /* Reset ISP chip. */
 909         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 910
 911         /* Wait for RISC to recover from reset. */
 912         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 913                 /*
 914                  * It is necessary to for a delay here since the card doesn't
 915                  * respond to PCI reads during a reset. On some architectures
 916                  * this will result in an MCA.
 917                  */
 918                 udelay(20);
 919                 for (cnt = 30000; cnt; cnt--) {
 920                         if ((RD_REG_WORD(&reg->ctrl_status) &
 921                             CSR_ISP_SOFT_RESET) == 0)
 922                                 break;
 923                         udelay(100);
 924                 }
 925         } else
 926                 udelay(10);
 927
 928         /* Reset RISC processor. */
 929         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 930
 931         WRT_REG_WORD(&reg->semaphore, 0);
 932
 933         /* Release RISC processor. */
 934         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 935         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 936
 937         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 938                 for (cnt = 0; cnt < 30000; cnt++) {
 939                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 940                                 break;
 941
 942                         udelay(100);
 943                 }
 944         } else
 945                 udelay(100);
 946
 947         /* Turn on master enable */
 948         cmd |= PCI_COMMAND_MASTER;
 949         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 950
 951         /* Disable RISC pause on FPM parity error. */
 952         if (!IS_QLA2100(ha)) {
 953                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
 954                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 955         }
 956
 957         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 958 }
 959
 960 /**
 961  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
 962  *
 963  * Returns 0 on success.
 964  */
 965 int
 966 qla81xx_reset_mpi(scsi_qla_host_t *vha)
 967 {
 968         uint16_t mb[4] = {0x1010, 0, 1, 0};
 969
 970         return qla81xx_write_mpi_register(vha, mb);
 971 }
 972
 973 /**
 974  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
 975  * @ha: HA context
 976  *
 977  * Returns 0 on success.
 978  */
 979 static inline void
 980 qla24xx_reset_risc(scsi_qla_host_t *vha)
 981 {
 982         unsigned long flags = 0;
 983         struct qla_hw_data *ha = vha->hw;
 984         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 985         uint32_t cnt, d2;
 986         uint16_t wd;
 987         static int abts_cnt; /* ISP abort retry counts */
 988
 989         spin_lock_irqsave(&ha->hardware_lock, flags);
 990
 991         /* Reset RISC. */
 992         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 993         for (cnt = 0; cnt < 30000; cnt++) {
 994                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
 995                         break;
 996
 997                 udelay(10);
 998         }
 999
1000         WRT_REG_DWORD(&reg->ctrl_status,
1001             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1002         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1003
1004         udelay(100);
1005         /* Wait for firmware to complete NVRAM accesses. */
1006         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1007         for (cnt = 10000 ; cnt && d2; cnt--) {
1008                 udelay(5);
1009                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1010                 barrier();
1011         }
1012
1013         /* Wait for soft-reset to complete. */
1014         d2 = RD_REG_DWORD(&reg->ctrl_status);
1015         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1016                 udelay(5);
1017                 d2 = RD_REG_DWORD(&reg->ctrl_status);
1018                 barrier();
1019         }
1020
1021         /* If required, do an MPI FW reset now */
1022         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1023                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1024                         if (++abts_cnt < 5) {
1025                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1026                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1027                         } else {
1028                                 /*
1029                                  * We exhausted the ISP abort retries. We have to
1030                                  * set the board offline.
1031                                  */
1032                                 abts_cnt = 0;
1033                                 vha->flags.online = 0;
1034                         }
1035                 }
1036         }
1037
1038         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1039         RD_REG_DWORD(&reg->hccr);
1040
1041         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1042         RD_REG_DWORD(&reg->hccr);
1043
1044         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1045         RD_REG_DWORD(&reg->hccr);
1046
1047         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1048         for (cnt = 6000000 ; cnt && d2; cnt--) {
1049                 udelay(5);
1050                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1051                 barrier();
1052         }
1053
1054         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1055
1056         if (IS_NOPOLLING_TYPE(ha))
1057                 ha->isp_ops->enable_intrs(ha);
1058 }
1059
1060 /**
1061  * qla24xx_reset_chip() - Reset ISP24xx chip.
1062  * @ha: HA context
1063  *
1064  * Returns 0 on success.
1065  */
1066 void
1067 qla24xx_reset_chip(scsi_qla_host_t *vha)
1068 {
1069         struct qla_hw_data *ha = vha->hw;
1070
1071         if (pci_channel_offline(ha->pdev) &&
1072             ha->flags.pci_channel_io_perm_failure) {
1073                 return;
1074         }
1075
1076         ha->isp_ops->disable_intrs(ha);
1077
1078         /* Perform RISC reset. */
1079         qla24xx_reset_risc(vha);
1080 }
1081
1082 /**
1083  * qla2x00_chip_diag() - Test chip for proper operation.
1084  * @ha: HA context
1085  *
1086  * Returns 0 on success.
1087  */
1088 int
1089 qla2x00_chip_diag(scsi_qla_host_t *vha)
1090 {
1091         int             rval;
1092         struct qla_hw_data *ha = vha->hw;
1093         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1094         unsigned long   flags = 0;
1095         uint16_t        data;
1096         uint32_t        cnt;
1097         uint16_t        mb[5];
1098         struct req_que *req = ha->req_q_map[0];
1099
1100         /* Assume a failed state */
1101         rval = QLA_FUNCTION_FAILED;
1102
1103         ql_dbg(ql_dbg_init, vha, 0x007b,
1104             "Testing device at %lx.\n", (u_long)&reg->flash_address);
1105
1106         spin_lock_irqsave(&ha->hardware_lock, flags);
1107
1108         /* Reset ISP chip. */
1109         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1110
1111         /*
1112          * We need to have a delay here since the card will not respond while
1113          * in reset causing an MCA on some architectures.
1114          */
1115         udelay(20);
1116         data = qla2x00_debounce_register(&reg->ctrl_status);
1117         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1118                 udelay(5);
1119                 data = RD_REG_WORD(&reg->ctrl_status);
1120                 barrier();
1121         }
1122
1123         if (!cnt)
1124                 goto chip_diag_failed;
1125
1126         ql_dbg(ql_dbg_init, vha, 0x007c,
1127             "Reset register cleared by chip reset.\n");
1128
1129         /* Reset RISC processor. */
1130         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1131         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1132
1133         /* Workaround for QLA2312 PCI parity error */
1134         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1135                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1136                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1137                         udelay(5);
1138                         data = RD_MAILBOX_REG(ha, reg, 0);
1139                         barrier();
1140                 }
1141         } else
1142                 udelay(10);
1143
1144         if (!cnt)
1145                 goto chip_diag_failed;
1146
1147         /* Check product ID of chip */
1148         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1149
1150         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1151         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1152         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1153         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1154         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1155             mb[3] != PROD_ID_3) {
1156                 ql_log(ql_log_warn, vha, 0x0062,
1157                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1158                     mb[1], mb[2], mb[3]);
1159
1160                 goto chip_diag_failed;
1161         }
1162         ha->product_id[0] = mb[1];
1163         ha->product_id[1] = mb[2];
1164         ha->product_id[2] = mb[3];
1165         ha->product_id[3] = mb[4];
1166
1167         /* Adjust fw RISC transfer size */
1168         if (req->length > 1024)
1169                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1170         else
1171                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1172                     req->length;
1173
1174         if (IS_QLA2200(ha) &&
1175             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1176                 /* Limit firmware transfer size with a 2200A */
1177                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1178
1179                 ha->device_type |= DT_ISP2200A;
1180                 ha->fw_transfer_size = 128;
1181         }
1182
1183         /* Wrap Incoming Mailboxes Test. */
1184         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1185
1186         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1187         rval = qla2x00_mbx_reg_test(vha);
1188         if (rval)
1189                 ql_log(ql_log_warn, vha, 0x0080,
1190                     "Failed mailbox send register test.\n");
1191         else
1192                 /* Flag a successful rval */
1193                 rval = QLA_SUCCESS;
1194         spin_lock_irqsave(&ha->hardware_lock, flags);
1195
1196 chip_diag_failed:
1197         if (rval)
1198                 ql_log(ql_log_info, vha, 0x0081,
1199                     "Chip diagnostics **** FAILED ****.\n");
1200
1201         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1202
1203         return (rval);
1204 }
1205
1206 /**
1207  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1208  * @ha: HA context
1209  *
1210  * Returns 0 on success.
1211  */
1212 int
1213 qla24xx_chip_diag(scsi_qla_host_t *vha)
1214 {
1215         int rval;
1216         struct qla_hw_data *ha = vha->hw;
1217         struct req_que *req = ha->req_q_map[0];
1218
1219         if (IS_QLA82XX(ha))
1220                 return QLA_SUCCESS;
1221
1222         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1223
1224         rval = qla2x00_mbx_reg_test(vha);
1225         if (rval) {
1226                 ql_log(ql_log_warn, vha, 0x0082,
1227                     "Failed mailbox send register test.\n");
1228         } else {
1229                 /* Flag a successful rval */
1230                 rval = QLA_SUCCESS;
1231         }
1232
1233         return rval;
1234 }
1235
1236 void
1237 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1238 {
1239         int rval;
1240         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1241             eft_size, fce_size, mq_size;
1242         dma_addr_t tc_dma;
1243         void *tc;
1244         struct qla_hw_data *ha = vha->hw;
1245         struct req_que *req = ha->req_q_map[0];
1246         struct rsp_que *rsp = ha->rsp_q_map[0];
1247
1248         if (ha->fw_dump) {
1249                 ql_dbg(ql_dbg_init, vha, 0x00bd,
1250                     "Firmware dump already allocated.\n");
1251                 return;
1252         }
1253
1254         ha->fw_dumped = 0;
1255         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1256         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1257                 fixed_size = sizeof(struct qla2100_fw_dump);
1258         } else if (IS_QLA23XX(ha)) {
1259                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1260                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1261                     sizeof(uint16_t);
1262         } else if (IS_FWI2_CAPABLE(ha)) {
1263                 if (IS_QLA81XX(ha))
1264                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1265                 else if (IS_QLA25XX(ha))
1266                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1267                 else
1268                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1269                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1270                     sizeof(uint32_t);
1271                 if (ha->mqenable)
1272                         mq_size = sizeof(struct qla2xxx_mq_chain);
1273                 /* Allocate memory for Fibre Channel Event Buffer. */
1274                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
1275                         goto try_eft;
1276
1277                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1278                     GFP_KERNEL);
1279                 if (!tc) {
1280                         ql_log(ql_log_warn, vha, 0x00be,
1281                             "Unable to allocate (%d KB) for FCE.\n",
1282                             FCE_SIZE / 1024);
1283                         goto try_eft;
1284                 }
1285
1286                 memset(tc, 0, FCE_SIZE);
1287                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1288                     ha->fce_mb, &ha->fce_bufs);
1289                 if (rval) {
1290                         ql_log(ql_log_warn, vha, 0x00bf,
1291                             "Unable to initialize FCE (%d).\n", rval);
1292                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1293                             tc_dma);
1294                         ha->flags.fce_enabled = 0;
1295                         goto try_eft;
1296                 }
1297                 ql_log(ql_log_info, vha, 0x00c0,
1298                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1299
1300                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1301                 ha->flags.fce_enabled = 1;
1302                 ha->fce_dma = tc_dma;
1303                 ha->fce = tc;
1304 try_eft:
1305                 /* Allocate memory for Extended Trace Buffer. */
1306                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1307                     GFP_KERNEL);
1308                 if (!tc) {
1309                         ql_log(ql_log_warn, vha, 0x00c1,
1310                             "Unable to allocate (%d KB) for EFT.\n",
1311                             EFT_SIZE / 1024);
1312                         goto cont_alloc;
1313                 }
1314
1315                 memset(tc, 0, EFT_SIZE);
1316                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1317                 if (rval) {
1318                         ql_log(ql_log_warn, vha, 0x00c2,
1319                             "Unable to initialize EFT (%d).\n", rval);
1320                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1321                             tc_dma);
1322                         goto cont_alloc;
1323                 }
1324                 ql_log(ql_log_info, vha, 0x00c3,
1325                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1326
1327                 eft_size = EFT_SIZE;
1328                 ha->eft_dma = tc_dma;
1329                 ha->eft = tc;
1330         }
1331 cont_alloc:
1332         req_q_size = req->length * sizeof(request_t);
1333         rsp_q_size = rsp->length * sizeof(response_t);
1334
1335         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1336         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1337         ha->chain_offset = dump_size;
1338         dump_size += mq_size + fce_size;
1339
1340         ha->fw_dump = vmalloc(dump_size);
1341         if (!ha->fw_dump) {
1342                 ql_log(ql_log_warn, vha, 0x00c4,
1343                     "Unable to allocate (%d KB) for firmware dump.\n",
1344                     dump_size / 1024);
1345
1346                 if (ha->fce) {
1347                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1348                             ha->fce_dma);
1349                         ha->fce = NULL;
1350                         ha->fce_dma = 0;
1351                 }
1352
1353                 if (ha->eft) {
1354                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1355                             ha->eft_dma);
1356                         ha->eft = NULL;
1357                         ha->eft_dma = 0;
1358                 }
1359                 return;
1360         }
1361         ql_log(ql_log_info, vha, 0x00c5,
1362             "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1363
1364         ha->fw_dump_len = dump_size;
1365         ha->fw_dump->signature[0] = 'Q';
1366         ha->fw_dump->signature[1] = 'L';
1367         ha->fw_dump->signature[2] = 'G';
1368         ha->fw_dump->signature[3] = 'C';
1369         ha->fw_dump->version = __constant_htonl(1);
1370
1371         ha->fw_dump->fixed_size = htonl(fixed_size);
1372         ha->fw_dump->mem_size = htonl(mem_size);
1373         ha->fw_dump->req_q_size = htonl(req_q_size);
1374         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1375
1376         ha->fw_dump->eft_size = htonl(eft_size);
1377         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1378         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1379
1380         ha->fw_dump->header_size =
1381             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1382 }
1383
1384 static int
1385 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1386 {
1387 #define MPS_MASK        0xe0
1388         int rval;
1389         uint16_t dc;
1390         uint32_t dw;
1391
1392         if (!IS_QLA81XX(vha->hw))
1393                 return QLA_SUCCESS;
1394
1395         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1396         if (rval != QLA_SUCCESS) {
1397                 ql_log(ql_log_warn, vha, 0x0105,
1398                     "Unable to acquire semaphore.\n");
1399                 goto done;
1400         }
1401
1402         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1403         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1404         if (rval != QLA_SUCCESS) {
1405                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1406                 goto done_release;
1407         }
1408
1409         dc &= MPS_MASK;
1410         if (dc == (dw & MPS_MASK))
1411                 goto done_release;
1412
1413         dw &= ~MPS_MASK;
1414         dw |= dc;
1415         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1416         if (rval != QLA_SUCCESS) {
1417                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1418         }
1419
1420 done_release:
1421         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1422         if (rval != QLA_SUCCESS) {
1423                 ql_log(ql_log_warn, vha, 0x006d,
1424                     "Unable to release semaphore.\n");
1425         }
1426
1427 done:
1428         return rval;
1429 }
1430
1431 /**
1432  * qla2x00_setup_chip() - Load and start RISC firmware.
1433  * @ha: HA context
1434  *
1435  * Returns 0 on success.
1436  */
1437 static int
1438 qla2x00_setup_chip(scsi_qla_host_t *vha)
1439 {
1440         int rval;
1441         uint32_t srisc_address = 0;
1442         struct qla_hw_data *ha = vha->hw;
1443         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1444         unsigned long flags;
1445         uint16_t fw_major_version;
1446
1447         if (IS_QLA82XX(ha)) {
1448                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1449                 if (rval == QLA_SUCCESS) {
1450                         qla2x00_stop_firmware(vha);
1451                         goto enable_82xx_npiv;
1452                 } else
1453                         goto failed;
1454         }
1455
1456         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1457                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1458                 spin_lock_irqsave(&ha->hardware_lock, flags);
1459                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1460                 RD_REG_WORD(&reg->hccr);
1461                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1462         }
1463
1464         qla81xx_mpi_sync(vha);
1465
1466         /* Load firmware sequences */
1467         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1468         if (rval == QLA_SUCCESS) {
1469                 ql_dbg(ql_dbg_init, vha, 0x00c9,
1470                     "Verifying Checksum of loaded RISC code.\n");
1471
1472                 rval = qla2x00_verify_checksum(vha, srisc_address);
1473                 if (rval == QLA_SUCCESS) {
1474                         /* Start firmware execution. */
1475                         ql_dbg(ql_dbg_init, vha, 0x00ca,
1476                             "Starting firmware.\n");
1477
1478                         rval = qla2x00_execute_fw(vha, srisc_address);
1479                         /* Retrieve firmware information. */
1480                         if (rval == QLA_SUCCESS) {
1481 enable_82xx_npiv:
1482                                 fw_major_version = ha->fw_major_version;
1483                                 rval = qla2x00_get_fw_version(vha,
1484                                     &ha->fw_major_version,
1485                                     &ha->fw_minor_version,
1486                                     &ha->fw_subminor_version,
1487                                     &ha->fw_attributes, &ha->fw_memory_size,
1488                                     ha->mpi_version, &ha->mpi_capabilities,
1489                                     ha->phy_version);
1490                                 if (rval != QLA_SUCCESS)
1491                                         goto failed;
1492                                 ha->flags.npiv_supported = 0;
1493                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1494                                          (ha->fw_attributes & BIT_2)) {
1495                                         ha->flags.npiv_supported = 1;
1496                                         if ((!ha->max_npiv_vports) ||
1497                                             ((ha->max_npiv_vports + 1) %
1498                                             MIN_MULTI_ID_FABRIC))
1499                                                 ha->max_npiv_vports =
1500                                                     MIN_MULTI_ID_FABRIC - 1;
1501                                 }
1502                                 qla2x00_get_resource_cnts(vha, NULL,
1503                                     &ha->fw_xcb_count, NULL, NULL,
1504                                     &ha->max_npiv_vports, NULL);
1505
1506                                 if (!fw_major_version && ql2xallocfwdump) {
1507                                         if (!IS_QLA82XX(ha))
1508                                                 qla2x00_alloc_fw_dump(vha);
1509                                 }
1510                         }
1511                 } else {
1512                         ql_log(ql_log_fatal, vha, 0x00cd,
1513                             "ISP Firmware failed checksum.\n");
1514                         goto failed;
1515                 }
1516         }
1517
1518         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1519                 /* Enable proper parity. */
1520                 spin_lock_irqsave(&ha->hardware_lock, flags);
1521                 if (IS_QLA2300(ha))
1522                         /* SRAM parity */
1523                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1524                 else
1525                         /* SRAM, Instruction RAM and GP RAM parity */
1526                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1527                 RD_REG_WORD(&reg->hccr);
1528                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1529         }
1530
1531         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1532                 uint32_t size;
1533
1534                 rval = qla81xx_fac_get_sector_size(vha, &size);
1535                 if (rval == QLA_SUCCESS) {
1536                         ha->flags.fac_supported = 1;
1537                         ha->fdt_block_size = size << 2;
1538                 } else {
1539                         ql_log(ql_log_warn, vha, 0x00ce,
1540                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1541                             ha->fw_major_version, ha->fw_minor_version,
1542                             ha->fw_subminor_version);
1543                 }
1544         }
1545 failed:
1546         if (rval) {
1547                 ql_log(ql_log_fatal, vha, 0x00cf,
1548                     "Setup chip ****FAILED****.\n");
1549         }
1550
1551         return (rval);
1552 }
1553
1554 /**
1555  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1556  * @ha: HA context
1557  *
1558  * Beginning of request ring has initialization control block already built
1559  * by nvram config routine.
1560  *
1561  * Returns 0 on success.
1562  */
1563 void
1564 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1565 {
1566         uint16_t cnt;
1567         response_t *pkt;
1568
1569         rsp->ring_ptr = rsp->ring;
1570         rsp->ring_index    = 0;
1571         rsp->status_srb = NULL;
1572         pkt = rsp->ring_ptr;
1573         for (cnt = 0; cnt < rsp->length; cnt++) {
1574                 pkt->signature = RESPONSE_PROCESSED;
1575                 pkt++;
1576         }
1577 }
1578
1579 /**
1580  * qla2x00_update_fw_options() - Read and process firmware options.
1581  * @ha: HA context
1582  *
1583  * Returns 0 on success.
1584  */
1585 void
1586 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1587 {
1588         uint16_t swing, emphasis, tx_sens, rx_sens;
1589         struct qla_hw_data *ha = vha->hw;
1590
1591         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1592         qla2x00_get_fw_options(vha, ha->fw_options);
1593
1594         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1595                 return;
1596
1597         /* Serial Link options. */
1598         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1599             "Serial link options.\n");
1600         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1601             (uint8_t *)&ha->fw_seriallink_options,
1602             sizeof(ha->fw_seriallink_options));
1603
1604         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1605         if (ha->fw_seriallink_options[3] & BIT_2) {
1606                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1607
1608                 /*  1G settings */
1609                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1610                 emphasis = (ha->fw_seriallink_options[2] &
1611                     (BIT_4 | BIT_3)) >> 3;
1612                 tx_sens = ha->fw_seriallink_options[0] &
1613                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1614                 rx_sens = (ha->fw_seriallink_options[0] &
1615                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1616                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1617                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1618                         if (rx_sens == 0x0)
1619                                 rx_sens = 0x3;
1620                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1621                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1622                         ha->fw_options[10] |= BIT_5 |
1623                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1624                             (tx_sens & (BIT_1 | BIT_0));
1625
1626                 /*  2G settings */
1627                 swing = (ha->fw_seriallink_options[2] &
1628                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1629                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1630                 tx_sens = ha->fw_seriallink_options[1] &
1631                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1632                 rx_sens = (ha->fw_seriallink_options[1] &
1633                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1634                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1635                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1636                         if (rx_sens == 0x0)
1637                                 rx_sens = 0x3;
1638                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1639                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1640                         ha->fw_options[11] |= BIT_5 |
1641                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1642                             (tx_sens & (BIT_1 | BIT_0));
1643         }
1644
1645         /* FCP2 options. */
1646         /*  Return command IOCBs without waiting for an ABTS to complete. */
1647         ha->fw_options[3] |= BIT_13;
1648
1649         /* LED scheme. */
1650         if (ha->flags.enable_led_scheme)
1651                 ha->fw_options[2] |= BIT_12;
1652
1653         /* Detect ISP6312. */
1654         if (IS_QLA6312(ha))
1655                 ha->fw_options[2] |= BIT_13;
1656
1657         /* Update firmware options. */
1658         qla2x00_set_fw_options(vha, ha->fw_options);
1659 }
1660
1661 void
1662 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1663 {
1664         int rval;
1665         struct qla_hw_data *ha = vha->hw;
1666
1667         if (IS_QLA82XX(ha))
1668                 return;
1669
1670         /* Update Serial Link options. */
1671         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1672                 return;
1673
1674         rval = qla2x00_set_serdes_params(vha,
1675             le16_to_cpu(ha->fw_seriallink_options24[1]),
1676             le16_to_cpu(ha->fw_seriallink_options24[2]),
1677             le16_to_cpu(ha->fw_seriallink_options24[3]));
1678         if (rval != QLA_SUCCESS) {
1679                 ql_log(ql_log_warn, vha, 0x0104,
1680                     "Unable to update Serial Link options (%x).\n", rval);
1681         }
1682 }
1683
1684 void
1685 qla2x00_config_rings(struct scsi_qla_host *vha)
1686 {
1687         struct qla_hw_data *ha = vha->hw;
1688         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1689         struct req_que *req = ha->req_q_map[0];
1690         struct rsp_que *rsp = ha->rsp_q_map[0];
1691
1692         /* Setup ring parameters in initialization control block. */
1693         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1694         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1695         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1696         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1697         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1698         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1699         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1700         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1701
1702         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1703         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1704         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1705         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1706         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1707 }
1708
1709 void
1710 qla24xx_config_rings(struct scsi_qla_host *vha)
1711 {
1712         struct qla_hw_data *ha = vha->hw;
1713         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1714         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1715         struct qla_msix_entry *msix;
1716         struct init_cb_24xx *icb;
1717         uint16_t rid = 0;
1718         struct req_que *req = ha->req_q_map[0];
1719         struct rsp_que *rsp = ha->rsp_q_map[0];
1720
1721 /* Setup ring parameters in initialization control block. */
1722         icb = (struct init_cb_24xx *)ha->init_cb;
1723         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1724         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1725         icb->request_q_length = cpu_to_le16(req->length);
1726         icb->response_q_length = cpu_to_le16(rsp->length);
1727         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1728         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1729         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1730         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1731
1732         if (ha->mqenable) {
1733                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1734                 icb->rid = __constant_cpu_to_le16(rid);
1735                 if (ha->flags.msix_enabled) {
1736                         msix = &ha->msix_entries[1];
1737                         ql_dbg(ql_dbg_init, vha, 0x00fd,
1738                             "Registering vector 0x%x for base que.\n",
1739                             msix->entry);
1740                         icb->msix = cpu_to_le16(msix->entry);
1741                 }
1742                 /* Use alternate PCI bus number */
1743                 if (MSB(rid))
1744                         icb->firmware_options_2 |=
1745                                 __constant_cpu_to_le32(BIT_19);
1746                 /* Use alternate PCI devfn */
1747                 if (LSB(rid))
1748                         icb->firmware_options_2 |=
1749                                 __constant_cpu_to_le32(BIT_18);
1750
1751                 /* Use Disable MSIX Handshake mode for capable adapters */
1752                 if (IS_MSIX_NACK_CAPABLE(ha)) {
1753                         icb->firmware_options_2 &=
1754                                 __constant_cpu_to_le32(~BIT_22);
1755                         ha->flags.disable_msix_handshake = 1;
1756                         ql_dbg(ql_dbg_init, vha, 0x00fe,
1757                             "MSIX Handshake Disable Mode turned on.\n");
1758                 } else {
1759                         icb->firmware_options_2 |=
1760                                 __constant_cpu_to_le32(BIT_22);
1761                 }
1762                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1763
1764                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1765                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1766                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1767                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1768         } else {
1769                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1770                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1771                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1772                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1773         }
1774         /* PCI posting */
1775         RD_REG_DWORD(&ioreg->hccr);
1776 }
1777
1778 /**
1779  * qla2x00_init_rings() - Initializes firmware.
1780  * @ha: HA context
1781  *
1782  * Beginning of request ring has initialization control block already built
1783  * by nvram config routine.
1784  *
1785  * Returns 0 on success.
1786  */
1787 static int
1788 qla2x00_init_rings(scsi_qla_host_t *vha)
1789 {
1790         int     rval;
1791         unsigned long flags = 0;
1792         int cnt, que;
1793         struct qla_hw_data *ha = vha->hw;
1794         struct req_que *req;
1795         struct rsp_que *rsp;
1796         struct scsi_qla_host *vp;
1797         struct mid_init_cb_24xx *mid_init_cb =
1798             (struct mid_init_cb_24xx *) ha->init_cb;
1799
1800         spin_lock_irqsave(&ha->hardware_lock, flags);
1801
1802         /* Clear outstanding commands array. */
1803         for (que = 0; que < ha->max_req_queues; que++) {
1804                 req = ha->req_q_map[que];
1805                 if (!req)
1806                         continue;
1807                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1808                         req->outstanding_cmds[cnt] = NULL;
1809
1810                 req->current_outstanding_cmd = 1;
1811
1812                 /* Initialize firmware. */
1813                 req->ring_ptr  = req->ring;
1814                 req->ring_index    = 0;
1815                 req->cnt      = req->length;
1816         }
1817
1818         for (que = 0; que < ha->max_rsp_queues; que++) {
1819                 rsp = ha->rsp_q_map[que];
1820                 if (!rsp)
1821                         continue;
1822                 /* Initialize response queue entries */
1823                 qla2x00_init_response_q_entries(rsp);
1824         }
1825
1826         spin_lock(&ha->vport_slock);
1827         /* Clear RSCN queue. */
1828         list_for_each_entry(vp, &ha->vp_list, list) {
1829                 vp->rscn_in_ptr = 0;
1830                 vp->rscn_out_ptr = 0;
1831         }
1832
1833         spin_unlock(&ha->vport_slock);
1834
1835         ha->isp_ops->config_rings(vha);
1836
1837         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1838
1839         /* Update any ISP specific firmware options before initialization. */
1840         ha->isp_ops->update_fw_options(vha);
1841
1842         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
1843
1844         if (ha->flags.npiv_supported) {
1845                 if (ha->operating_mode == LOOP)
1846                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1847                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1848         }
1849
1850         if (IS_FWI2_CAPABLE(ha)) {
1851                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1852                 mid_init_cb->init_cb.execution_throttle =
1853                     cpu_to_le16(ha->fw_xcb_count);
1854         }
1855
1856         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1857         if (rval) {
1858                 ql_log(ql_log_fatal, vha, 0x00d2,
1859                     "Init Firmware **** FAILED ****.\n");
1860         } else {
1861                 ql_dbg(ql_dbg_init, vha, 0x00d3,
1862                     "Init Firmware -- success.\n");
1863         }
1864
1865         return (rval);
1866 }
1867
1868 /**
1869  * qla2x00_fw_ready() - Waits for firmware ready.
1870  * @ha: HA context
1871  *
1872  * Returns 0 on success.
1873  */
1874 static int
1875 qla2x00_fw_ready(scsi_qla_host_t *vha)
1876 {
1877         int             rval;
1878         unsigned long   wtime, mtime, cs84xx_time;
1879         uint16_t        min_wait;       /* Minimum wait time if loop is down */
1880         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1881         uint16_t        state[5];
1882         struct qla_hw_data *ha = vha->hw;
1883
1884         rval = QLA_SUCCESS;
1885
1886         /* 20 seconds for loop down. */
1887         min_wait = 20;
1888
1889         /*
1890          * Firmware should take at most one RATOV to login, plus 5 seconds for
1891          * our own processing.
1892          */
1893         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1894                 wait_time = min_wait;
1895         }
1896
1897         /* Min wait time if loop down */
1898         mtime = jiffies + (min_wait * HZ);
1899
1900         /* wait time before firmware ready */
1901         wtime = jiffies + (wait_time * HZ);
1902
1903         /* Wait for ISP to finish LIP */
1904         if (!vha->flags.init_done)
1905                 ql_log(ql_log_info, vha, 0x801e,
1906                     "Waiting for LIP to complete.\n");
1907
1908         do {
1909                 rval = qla2x00_get_firmware_state(vha, state);
1910                 if (rval == QLA_SUCCESS) {
1911                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
1912                                 vha->device_flags &= ~DFLG_NO_CABLE;
1913                         }
1914                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1915                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
1916                                     "fw_state=%x 84xx=%x.\n", state[0],
1917                                     state[2]);
1918                                 if ((state[2] & FSTATE_LOGGED_IN) &&
1919                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1920                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
1921                                             "Sending verify iocb.\n");
1922
1923                                         cs84xx_time = jiffies;
1924                                         rval = qla84xx_init_chip(vha);
1925                                         if (rval != QLA_SUCCESS) {
1926                                                 ql_log(ql_log_warn,
1927                                                     vha, 0x8043,
1928                                                     "Init chip failed.\n");
1929                                                 break;
1930                                         }
1931
1932                                         /* Add time taken to initialize. */
1933                                         cs84xx_time = jiffies - cs84xx_time;
1934                                         wtime += cs84xx_time;
1935                                         mtime += cs84xx_time;
1936                                         ql_dbg(ql_dbg_taskm, vha, 0x8042,
1937                                             "Increasing wait time by %ld. "
1938                                             "New time %ld.\n", cs84xx_time,
1939                                             wtime);
1940                                 }
1941                         } else if (state[0] == FSTATE_READY) {
1942                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
1943                                     "F/W Ready - OK.\n");
1944
1945                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1946                                     &ha->login_timeout, &ha->r_a_tov);
1947
1948                                 rval = QLA_SUCCESS;
1949                                 break;
1950                         }
1951
1952                         rval = QLA_FUNCTION_FAILED;
1953
1954                         if (atomic_read(&vha->loop_down_timer) &&
1955                             state[0] != FSTATE_READY) {
1956                                 /* Loop down. Timeout on min_wait for states
1957                                  * other than Wait for Login.
1958                                  */
1959                                 if (time_after_eq(jiffies, mtime)) {
1960                                         ql_log(ql_log_info, vha, 0x8038,
1961                                             "Cable is unplugged...\n");
1962
1963                                         vha->device_flags |= DFLG_NO_CABLE;
1964                                         break;
1965                                 }
1966                         }
1967                 } else {
1968                         /* Mailbox cmd failed. Timeout on min_wait. */
1969                         if (time_after_eq(jiffies, mtime) ||
1970                                 ha->flags.isp82xx_fw_hung)
1971                                 break;
1972                 }
1973
1974                 if (time_after_eq(jiffies, wtime))
1975                         break;
1976
1977                 /* Delay for a while */
1978                 msleep(500);
1979
1980                 ql_dbg(ql_dbg_taskm, vha, 0x8039,
1981                     "fw_state=%x curr time=%lx.\n", state[0], jiffies);
1982         } while (1);
1983
1984         ql_dbg(ql_dbg_taskm, vha, 0x803a,
1985             "fw_state=%x (%x, %x, %x, %x) " "curr time=%lx.\n", state[0],
1986             state[1], state[2], state[3], state[4], jiffies);
1987
1988         if (rval) {
1989                 ql_log(ql_log_warn, vha, 0x803b,
1990                     "Firmware ready **** FAILED ****.\n");
1991         }
1992
1993         return (rval);
1994 }
1995
1996 /*
1997 *  qla2x00_configure_hba
1998 *      Setup adapter context.
1999 *
2000 * Input:
2001 *      ha = adapter state pointer.
2002 *
2003 * Returns:
2004 *      0 = success
2005 *
2006 * Context:
2007 *      Kernel context.
2008 */
2009 static int
2010 qla2x00_configure_hba(scsi_qla_host_t *vha)
2011 {
2012         int       rval;
2013         uint16_t      loop_id;
2014         uint16_t      topo;
2015         uint16_t      sw_cap;
2016         uint8_t       al_pa;
2017         uint8_t       area;
2018         uint8_t       domain;
2019         char            connect_type[22];
2020         struct qla_hw_data *ha = vha->hw;
2021
2022         /* Get host addresses. */
2023         rval = qla2x00_get_adapter_id(vha,
2024             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2025         if (rval != QLA_SUCCESS) {
2026                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2027                     IS_QLA8XXX_TYPE(ha) ||
2028                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2029                         ql_dbg(ql_dbg_disc, vha, 0x2008,
2030                             "Loop is in a transition state.\n");
2031                 } else {
2032                         ql_log(ql_log_warn, vha, 0x2009,
2033                             "Unable to get host loop ID.\n");
2034                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2035                 }
2036                 return (rval);
2037         }
2038
2039         if (topo == 4) {
2040                 ql_log(ql_log_info, vha, 0x200a,
2041                     "Cannot get topology - retrying.\n");
2042                 return (QLA_FUNCTION_FAILED);
2043         }
2044
2045         vha->loop_id = loop_id;
2046
2047         /* initialize */
2048         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2049         ha->operating_mode = LOOP;
2050         ha->switch_cap = 0;
2051
2052         switch (topo) {
2053         case 0:
2054                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2055                 ha->current_topology = ISP_CFG_NL;
2056                 strcpy(connect_type, "(Loop)");
2057                 break;
2058
2059         case 1:
2060                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2061                 ha->switch_cap = sw_cap;
2062                 ha->current_topology = ISP_CFG_FL;
2063                 strcpy(connect_type, "(FL_Port)");
2064                 break;
2065
2066         case 2:
2067                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2068                 ha->operating_mode = P2P;
2069                 ha->current_topology = ISP_CFG_N;
2070                 strcpy(connect_type, "(N_Port-to-N_Port)");
2071                 break;
2072
2073         case 3:
2074                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2075                 ha->switch_cap = sw_cap;
2076                 ha->operating_mode = P2P;
2077                 ha->current_topology = ISP_CFG_F;
2078                 strcpy(connect_type, "(F_Port)");
2079                 break;
2080
2081         default:
2082                 ql_dbg(ql_dbg_disc, vha, 0x200f,
2083                     "HBA in unknown topology %x, using NL.\n", topo);
2084                 ha->current_topology = ISP_CFG_NL;
2085                 strcpy(connect_type, "(Loop)");
2086                 break;
2087         }
2088
2089         /* Save Host port and loop ID. */
2090         /* byte order - Big Endian */
2091         vha->d_id.b.domain = domain;
2092         vha->d_id.b.area = area;
2093         vha->d_id.b.al_pa = al_pa;
2094
2095         if (!vha->flags.init_done)
2096                 ql_log(ql_log_info, vha, 0x2010,
2097                     "Topology - %s, Host Loop address 0x%x.\n",
2098                     connect_type, vha->loop_id);
2099
2100         if (rval) {
2101                 ql_log(ql_log_warn, vha, 0x2011,
2102                     "%s FAILED\n", __func__);
2103         } else {
2104                 ql_dbg(ql_dbg_disc, vha, 0x2012,
2105                     "%s success\n", __func__);
2106         }
2107
2108         return(rval);
2109 }
2110
2111 inline void
2112 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2113         char *def)
2114 {
2115         char *st, *en;
2116         uint16_t index;
2117         struct qla_hw_data *ha = vha->hw;
2118         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2119             !IS_QLA8XXX_TYPE(ha);
2120
2121         if (memcmp(model, BINZERO, len) != 0) {
2122                 strncpy(ha->model_number, model, len);
2123                 st = en = ha->model_number;
2124                 en += len - 1;
2125                 while (en > st) {
2126                         if (*en != 0x20 && *en != 0x00)
2127                                 break;
2128                         *en-- = '\0';
2129                 }
2130
2131                 index = (ha->pdev->subsystem_device & 0xff);
2132                 if (use_tbl &&
2133                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2134                     index < QLA_MODEL_NAMES)
2135                         strncpy(ha->model_desc,
2136                             qla2x00_model_name[index * 2 + 1],
2137                             sizeof(ha->model_desc) - 1);
2138         } else {
2139                 index = (ha->pdev->subsystem_device & 0xff);
2140                 if (use_tbl &&
2141                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2142                     index < QLA_MODEL_NAMES) {
2143                         strcpy(ha->model_number,
2144                             qla2x00_model_name[index * 2]);
2145                         strncpy(ha->model_desc,
2146                             qla2x00_model_name[index * 2 + 1],
2147                             sizeof(ha->model_desc) - 1);
2148                 } else {
2149                         strcpy(ha->model_number, def);
2150                 }
2151         }
2152         if (IS_FWI2_CAPABLE(ha))
2153                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2154                     sizeof(ha->model_desc));
2155 }
2156
2157 /* On sparc systems, obtain port and node WWN from firmware
2158  * properties.
2159  */
2160 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2161 {
2162 #ifdef CONFIG_SPARC
2163         struct qla_hw_data *ha = vha->hw;
2164         struct pci_dev *pdev = ha->pdev;
2165         struct device_node *dp = pci_device_to_OF_node(pdev);
2166         const u8 *val;
2167         int len;
2168
2169         val = of_get_property(dp, "port-wwn", &len);
2170         if (val && len >= WWN_SIZE)
2171                 memcpy(nv->port_name, val, WWN_SIZE);
2172
2173         val = of_get_property(dp, "node-wwn", &len);
2174         if (val && len >= WWN_SIZE)
2175                 memcpy(nv->node_name, val, WWN_SIZE);
2176 #endif
2177 }
2178
2179 /*
2180 * NVRAM configuration for ISP 2xxx
2181 *
2182 * Input:
2183 *      ha                = adapter block pointer.
2184 *
2185 * Output:
2186 *      initialization control block in response_ring
2187 *      host adapters parameters in host adapter block
2188 *
2189 * Returns:
2190 *      0 = success.
2191 */
2192 int
2193 qla2x00_nvram_config(scsi_qla_host_t *vha)
2194 {
2195         int             rval;
2196         uint8_t         chksum = 0;
2197         uint16_t        cnt;
2198         uint8_t         *dptr1, *dptr2;
2199         struct qla_hw_data *ha = vha->hw;
2200         init_cb_t       *icb = ha->init_cb;
2201         nvram_t         *nv = ha->nvram;
2202         uint8_t         *ptr = ha->nvram;
2203         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2204
2205         rval = QLA_SUCCESS;
2206
2207         /* Determine NVRAM starting address. */
2208         ha->nvram_size = sizeof(nvram_t);
2209         ha->nvram_base = 0;
2210         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2211                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2212                         ha->nvram_base = 0x80;
2213
2214         /* Get NVRAM data and calculate checksum. */
2215         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2216         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2217                 chksum += *ptr++;
2218
2219         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2220             "Contents of NVRAM.\n");
2221         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2222             (uint8_t *)nv, ha->nvram_size);
2223
2224         /* Bad NVRAM data, set defaults parameters. */
2225         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2226             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2227                 /* Reset NVRAM data. */
2228                 ql_log(ql_log_warn, vha, 0x0064,
2229                     "Inconisistent NVRAM "
2230                     "detected: checksum=0x%x id=%c version=0x%x.\n",
2231                     chksum, nv->id[0], nv->nvram_version);
2232                 ql_log(ql_log_warn, vha, 0x0065,
2233                     "Falling back to "
2234                     "functioning (yet invalid -- WWPN) defaults.\n");
2235
2236                 /*
2237                  * Set default initialization control block.
2238                  */
2239                 memset(nv, 0, ha->nvram_size);
2240                 nv->parameter_block_version = ICB_VERSION;
2241
2242                 if (IS_QLA23XX(ha)) {
2243                         nv->firmware_options[0] = BIT_2 | BIT_1;
2244                         nv->firmware_options[1] = BIT_7 | BIT_5;
2245                         nv->add_firmware_options[0] = BIT_5;
2246                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2247                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
2248                         nv->special_options[1] = BIT_7;
2249                 } else if (IS_QLA2200(ha)) {
2250                         nv->firmware_options[0] = BIT_2 | BIT_1;
2251                         nv->firmware_options[1] = BIT_7 | BIT_5;
2252                         nv->add_firmware_options[0] = BIT_5;
2253                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2254                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2255                 } else if (IS_QLA2100(ha)) {
2256                         nv->firmware_options[0] = BIT_3 | BIT_1;
2257                         nv->firmware_options[1] = BIT_5;
2258                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2259                 }
2260
2261                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2262                 nv->execution_throttle = __constant_cpu_to_le16(16);
2263                 nv->retry_count = 8;
2264                 nv->retry_delay = 1;
2265
2266                 nv->port_name[0] = 33;
2267                 nv->port_name[3] = 224;
2268                 nv->port_name[4] = 139;
2269
2270                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2271
2272                 nv->login_timeout = 4;
2273
2274                 /*
2275                  * Set default host adapter parameters
2276                  */
2277                 nv->host_p[1] = BIT_2;
2278                 nv->reset_delay = 5;
2279                 nv->port_down_retry_count = 8;
2280                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2281                 nv->link_down_timeout = 60;
2282
2283                 rval = 1;
2284         }
2285
2286 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2287         /*
2288          * The SN2 does not provide BIOS emulation which means you can't change
2289          * potentially bogus BIOS settings. Force the use of default settings
2290          * for link rate and frame size.  Hope that the rest of the settings
2291          * are valid.
2292          */
2293         if (ia64_platform_is("sn2")) {
2294                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2295                 if (IS_QLA23XX(ha))
2296                         nv->special_options[1] = BIT_7;
2297         }
2298 #endif
2299
2300         /* Reset Initialization control block */
2301         memset(icb, 0, ha->init_cb_size);
2302
2303         /*
2304          * Setup driver NVRAM options.
2305          */
2306         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2307         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2308         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2309         nv->firmware_options[1] &= ~BIT_4;
2310
2311         if (IS_QLA23XX(ha)) {
2312                 nv->firmware_options[0] |= BIT_2;
2313                 nv->firmware_options[0] &= ~BIT_3;
2314                 nv->firmware_options[0] &= ~BIT_6;
2315                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2316
2317                 if (IS_QLA2300(ha)) {
2318                         if (ha->fb_rev == FPM_2310) {
2319                                 strcpy(ha->model_number, "QLA2310");
2320                         } else {
2321                                 strcpy(ha->model_number, "QLA2300");
2322                         }
2323                 } else {
2324                         qla2x00_set_model_info(vha, nv->model_number,
2325                             sizeof(nv->model_number), "QLA23xx");
2326                 }
2327         } else if (IS_QLA2200(ha)) {
2328                 nv->firmware_options[0] |= BIT_2;
2329                 /*
2330                  * 'Point-to-point preferred, else loop' is not a safe
2331                  * connection mode setting.
2332                  */
2333                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2334                     (BIT_5 | BIT_4)) {
2335                         /* Force 'loop preferred, else point-to-point'. */
2336                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2337                         nv->add_firmware_options[0] |= BIT_5;
2338                 }
2339                 strcpy(ha->model_number, "QLA22xx");
2340         } else /*if (IS_QLA2100(ha))*/ {
2341                 strcpy(ha->model_number, "QLA2100");
2342         }
2343
2344         /*
2345          * Copy over NVRAM RISC parameter block to initialization control block.
2346          */
2347         dptr1 = (uint8_t *)icb;
2348         dptr2 = (uint8_t *)&nv->parameter_block_version;
2349         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2350         while (cnt--)
2351                 *dptr1++ = *dptr2++;
2352
2353         /* Copy 2nd half. */
2354         dptr1 = (uint8_t *)icb->add_firmware_options;
2355         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2356         while (cnt--)
2357                 *dptr1++ = *dptr2++;
2358
2359         /* Use alternate WWN? */
2360         if (nv->host_p[1] & BIT_7) {
2361                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2362                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2363         }
2364
2365         /* Prepare nodename */
2366         if ((icb->firmware_options[1] & BIT_6) == 0) {
2367                 /*
2368                  * Firmware will apply the following mask if the nodename was
2369                  * not provided.
2370                  */
2371                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2372                 icb->node_name[0] &= 0xF0;
2373         }
2374
2375         /*
2376          * Set host adapter parameters.
2377          */
2378
2379         /*
2380          * BIT_7 in the host-parameters section allows for modification to
2381          * internal driver logging.
2382          */
2383         if (nv->host_p[0] & BIT_7)
2384                 ql2xextended_error_logging = 0x7fffffff;
2385         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2386         /* Always load RISC code on non ISP2[12]00 chips. */
2387         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2388                 ha->flags.disable_risc_code_load = 0;
2389         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2390         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2391         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2392         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2393         ha->flags.disable_serdes = 0;
2394
2395         ha->operating_mode =
2396             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2397
2398         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2399             sizeof(ha->fw_seriallink_options));
2400
2401         /* save HBA serial number */
2402         ha->serial0 = icb->port_name[5];
2403         ha->serial1 = icb->port_name[6];
2404         ha->serial2 = icb->port_name[7];
2405         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2406         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2407
2408         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2409
2410         ha->retry_count = nv->retry_count;
2411
2412         /* Set minimum login_timeout to 4 seconds. */
2413         if (nv->login_timeout != ql2xlogintimeout)
2414                 nv->login_timeout = ql2xlogintimeout;
2415         if (nv->login_timeout < 4)
2416                 nv->login_timeout = 4;
2417         ha->login_timeout = nv->login_timeout;
2418         icb->login_timeout = nv->login_timeout;
2419
2420         /* Set minimum RATOV to 100 tenths of a second. */
2421         ha->r_a_tov = 100;
2422
2423         ha->loop_reset_delay = nv->reset_delay;
2424
2425         /* Link Down Timeout = 0:
2426          *
2427          *      When Port Down timer expires we will start returning
2428          *      I/O's to OS with "DID_NO_CONNECT".
2429          *
2430          * Link Down Timeout != 0:
2431          *
2432          *       The driver waits for the link to come up after link down
2433          *       before returning I/Os to OS with "DID_NO_CONNECT".
2434          */
2435         if (nv->link_down_timeout == 0) {
2436                 ha->loop_down_abort_time =
2437                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2438         } else {
2439                 ha->link_down_timeout =  nv->link_down_timeout;
2440                 ha->loop_down_abort_time =
2441                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2442         }
2443
2444         /*
2445          * Need enough time to try and get the port back.
2446          */
2447         ha->port_down_retry_count = nv->port_down_retry_count;
2448         if (qlport_down_retry)
2449                 ha->port_down_retry_count = qlport_down_retry;
2450         /* Set login_retry_count */
2451         ha->login_retry_count  = nv->retry_count;
2452         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2453             ha->port_down_retry_count > 3)
2454                 ha->login_retry_count = ha->port_down_retry_count;
2455         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2456                 ha->login_retry_count = ha->port_down_retry_count;
2457         if (ql2xloginretrycount)
2458                 ha->login_retry_count = ql2xloginretrycount;
2459
2460         icb->lun_enables = __constant_cpu_to_le16(0);
2461         icb->command_resource_count = 0;
2462         icb->immediate_notify_resource_count = 0;
2463         icb->timeout = __constant_cpu_to_le16(0);
2464
2465         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2466                 /* Enable RIO */
2467                 icb->firmware_options[0] &= ~BIT_3;
2468                 icb->add_firmware_options[0] &=
2469                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2470                 icb->add_firmware_options[0] |= BIT_2;
2471                 icb->response_accumulation_timer = 3;
2472                 icb->interrupt_delay_timer = 5;
2473
2474                 vha->flags.process_response_queue = 1;
2475         } else {
2476                 /* Enable ZIO. */
2477                 if (!vha->flags.init_done) {
2478                         ha->zio_mode = icb->add_firmware_options[0] &
2479                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2480                         ha->zio_timer = icb->interrupt_delay_timer ?
2481                             icb->interrupt_delay_timer: 2;
2482                 }
2483                 icb->add_firmware_options[0] &=
2484                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2485                 vha->flags.process_response_queue = 0;
2486                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2487                         ha->zio_mode = QLA_ZIO_MODE_6;
2488
2489                         ql_log(ql_log_info, vha, 0x0068,
2490                             "ZIO mode %d enabled; timer delay (%d us).\n",
2491                             ha->zio_mode, ha->zio_timer * 100);
2492
2493                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2494                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2495                         vha->flags.process_response_queue = 1;
2496                 }
2497         }
2498
2499         if (rval) {
2500                 ql_log(ql_log_warn, vha, 0x0069,
2501                     "NVRAM configuration failed.\n");
2502         }
2503         return (rval);
2504 }
2505
2506 static void
2507 qla2x00_rport_del(void *data)
2508 {
2509         fc_port_t *fcport = data;
2510         struct fc_rport *rport;
2511         unsigned long flags;
2512
2513         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2514         rport = fcport->drport ? fcport->drport: fcport->rport;
2515         fcport->drport = NULL;
2516         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2517         if (rport)
2518                 fc_remote_port_delete(rport);
2519 }
2520
2521 /**
2522  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2523  * @ha: HA context
2524  * @flags: allocation flags
2525  *
2526  * Returns a pointer to the allocated fcport, or NULL, if none available.
2527  */
2528 fc_port_t *
2529 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2530 {
2531         fc_port_t *fcport;
2532
2533         fcport = kzalloc(sizeof(fc_port_t), flags);
2534         if (!fcport)
2535                 return NULL;
2536
2537         /* Setup fcport template structure. */
2538         fcport->vha = vha;
2539         fcport->vp_idx = vha->vp_idx;
2540         fcport->port_type = FCT_UNKNOWN;
2541         fcport->loop_id = FC_NO_LOOP_ID;
2542         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2543         fcport->supported_classes = FC_COS_UNSPECIFIED;
2544
2545         return fcport;
2546 }
2547
2548 /*
2549  * qla2x00_configure_loop
2550  *      Updates Fibre Channel Device Database with what is actually on loop.
2551  *
2552  * Input:
2553  *      ha                = adapter block pointer.
2554  *
2555  * Returns:
2556  *      0 = success.
2557  *      1 = error.
2558  *      2 = database was full and device was not configured.
2559  */
2560 static int
2561 qla2x00_configure_loop(scsi_qla_host_t *vha)
2562 {
2563         int  rval;
2564         unsigned long flags, save_flags;
2565         struct qla_hw_data *ha = vha->hw;
2566         rval = QLA_SUCCESS;
2567
2568         /* Get Initiator ID */
2569         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2570                 rval = qla2x00_configure_hba(vha);
2571                 if (rval != QLA_SUCCESS) {
2572                         ql_dbg(ql_dbg_disc, vha, 0x2013,
2573                             "Unable to configure HBA.\n");
2574                         return (rval);
2575                 }
2576         }
2577
2578         save_flags = flags = vha->dpc_flags;
2579         ql_dbg(ql_dbg_disc, vha, 0x2014,
2580             "Configure loop -- dpc flags = 0x%lx.\n", flags);
2581
2582         /*
2583          * If we have both an RSCN and PORT UPDATE pending then handle them
2584          * both at the same time.
2585          */
2586         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2587         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2588
2589         qla2x00_get_data_rate(vha);
2590
2591         /* Determine what we need to do */
2592         if (ha->current_topology == ISP_CFG_FL &&
2593             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2594
2595                 vha->flags.rscn_queue_overflow = 1;
2596                 set_bit(RSCN_UPDATE, &flags);
2597
2598         } else if (ha->current_topology == ISP_CFG_F &&
2599             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2600
2601                 vha->flags.rscn_queue_overflow = 1;
2602                 set_bit(RSCN_UPDATE, &flags);
2603                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2604
2605         } else if (ha->current_topology == ISP_CFG_N) {
2606                 clear_bit(RSCN_UPDATE, &flags);
2607
2608         } else if (!vha->flags.online ||
2609             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2610
2611                 vha->flags.rscn_queue_overflow = 1;
2612                 set_bit(RSCN_UPDATE, &flags);
2613                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2614         }
2615
2616         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2617                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2618                         ql_dbg(ql_dbg_disc, vha, 0x2015,
2619                             "Loop resync needed, failing.\n");
2620                         rval = QLA_FUNCTION_FAILED;
2621                 }
2622                 else
2623                         rval = qla2x00_configure_local_loop(vha);
2624         }
2625
2626         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2627                 if (LOOP_TRANSITION(vha)) {
2628                         ql_dbg(ql_dbg_disc, vha, 0x201e,
2629                             "Needs RSCN update and loop transition.\n");
2630                         rval = QLA_FUNCTION_FAILED;
2631                 }
2632                 else
2633                         rval = qla2x00_configure_fabric(vha);
2634         }
2635
2636         if (rval == QLA_SUCCESS) {
2637                 if (atomic_read(&vha->loop_down_timer) ||
2638                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2639                         rval = QLA_FUNCTION_FAILED;
2640                 } else {
2641                         atomic_set(&vha->loop_state, LOOP_READY);
2642                         ql_dbg(ql_dbg_disc, vha, 0x2069,
2643                             "LOOP READY.\n");
2644                 }
2645         }
2646
2647         if (rval) {
2648                 ql_dbg(ql_dbg_disc, vha, 0x206a,
2649                     "%s *** FAILED ***.\n", __func__);
2650         } else {
2651                 ql_dbg(ql_dbg_disc, vha, 0x206b,
2652                     "%s: exiting normally.\n", __func__);
2653         }
2654
2655         /* Restore state if a resync event occurred during processing */
2656         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2657                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2658                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2659                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2660                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2661                         if (!IS_ALOGIO_CAPABLE(ha))
2662                                 vha->flags.rscn_queue_overflow = 1;
2663                 }
2664         }
2665
2666         return (rval);
2667 }
2668
2669
2670
2671 /*
2672  * qla2x00_configure_local_loop
2673  *      Updates Fibre Channel Device Database with local loop devices.
2674  *
2675  * Input:
2676  *      ha = adapter block pointer.
2677  *
2678  * Returns:
2679  *      0 = success.
2680  */
2681 static int
2682 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2683 {
2684         int             rval, rval2;
2685         int             found_devs;
2686         int             found;
2687         fc_port_t       *fcport, *new_fcport;
2688
2689         uint16_t        index;
2690         uint16_t        entries;
2691         char            *id_iter;
2692         uint16_t        loop_id;
2693         uint8_t         domain, area, al_pa;
2694         struct qla_hw_data *ha = vha->hw;
2695
2696         found_devs = 0;
2697         new_fcport = NULL;
2698         entries = MAX_FIBRE_DEVICES;
2699
2700         ql_dbg(ql_dbg_disc, vha, 0x2016,
2701             "Getting FCAL position map.\n");
2702         if (ql2xextended_error_logging & ql_dbg_disc)
2703                 qla2x00_get_fcal_position_map(vha, NULL);
2704
2705         /* Get list of logged in devices. */
2706         memset(ha->gid_list, 0, GID_LIST_SIZE);
2707         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2708             &entries);
2709         if (rval != QLA_SUCCESS)
2710                 goto cleanup_allocation;
2711
2712         ql_dbg(ql_dbg_disc, vha, 0x2017,
2713             "Entries in ID list (%d).\n", entries);
2714         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
2715             (uint8_t *)ha->gid_list,
2716             entries * sizeof(struct gid_list_info));
2717
2718         /* Allocate temporary fcport for any new fcports discovered. */
2719         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2720         if (new_fcport == NULL) {
2721                 ql_log(ql_log_warn, vha, 0x2018,
2722                     "Memory allocation failed for fcport.\n");
2723                 rval = QLA_MEMORY_ALLOC_FAILED;
2724                 goto cleanup_allocation;
2725         }
2726         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2727
2728         /*
2729          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2730          */
2731         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2732                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2733                     fcport->port_type != FCT_BROADCAST &&
2734                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2735
2736                         ql_dbg(ql_dbg_disc, vha, 0x2019,
2737                             "Marking port lost loop_id=0x%04x.\n",
2738                             fcport->loop_id);
2739
2740                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2741                 }
2742         }
2743
2744         /* Add devices to port list. */
2745         id_iter = (char *)ha->gid_list;
2746         for (index = 0; index < entries; index++) {
2747                 domain = ((struct gid_list_info *)id_iter)->domain;
2748                 area = ((struct gid_list_info *)id_iter)->area;
2749                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2750                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2751                         loop_id = (uint16_t)
2752                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2753                 else
2754                         loop_id = le16_to_cpu(
2755                             ((struct gid_list_info *)id_iter)->loop_id);
2756                 id_iter += ha->gid_list_info_size;
2757
2758                 /* Bypass reserved domain fields. */
2759                 if ((domain & 0xf0) == 0xf0)
2760                         continue;
2761
2762                 /* Bypass if not same domain and area of adapter. */
2763                 if (area && domain &&
2764                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2765                         continue;
2766
2767                 /* Bypass invalid local loop ID. */
2768                 if (loop_id > LAST_LOCAL_LOOP_ID)
2769                         continue;
2770
2771                 /* Fill in member data. */
2772                 new_fcport->d_id.b.domain = domain;
2773                 new_fcport->d_id.b.area = area;
2774                 new_fcport->d_id.b.al_pa = al_pa;
2775                 new_fcport->loop_id = loop_id;
2776                 new_fcport->vp_idx = vha->vp_idx;
2777                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2778                 if (rval2 != QLA_SUCCESS) {
2779                         ql_dbg(ql_dbg_disc, vha, 0x201a,
2780                             "Failed to retrieve fcport information "
2781                             "-- get_port_database=%x, loop_id=0x%04x.\n",
2782                             rval2, new_fcport->loop_id);
2783                         ql_dbg(ql_dbg_disc, vha, 0x201b,
2784                             "Scheduling resync.\n");
2785                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2786                         continue;
2787                 }
2788
2789                 /* Check for matching device in port list. */
2790                 found = 0;
2791                 fcport = NULL;
2792                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2793                         if (memcmp(new_fcport->port_name, fcport->port_name,
2794                             WWN_SIZE))
2795                                 continue;
2796
2797                         fcport->flags &= ~FCF_FABRIC_DEVICE;
2798                         fcport->loop_id = new_fcport->loop_id;
2799                         fcport->port_type = new_fcport->port_type;
2800                         fcport->d_id.b24 = new_fcport->d_id.b24;
2801                         memcpy(fcport->node_name, new_fcport->node_name,
2802                             WWN_SIZE);
2803
2804                         found++;
2805                         break;
2806                 }
2807
2808                 if (!found) {
2809                         /* New device, add to fcports list. */
2810                         if (vha->vp_idx) {
2811                                 new_fcport->vha = vha;
2812                                 new_fcport->vp_idx = vha->vp_idx;
2813                         }
2814                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
2815
2816                         /* Allocate a new replacement fcport. */
2817                         fcport = new_fcport;
2818                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2819                         if (new_fcport == NULL) {
2820                                 ql_log(ql_log_warn, vha, 0x201c,
2821                                     "Failed to allocate memory for fcport.\n");
2822                                 rval = QLA_MEMORY_ALLOC_FAILED;
2823                                 goto cleanup_allocation;
2824                         }
2825                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2826                 }
2827
2828                 /* Base iIDMA settings on HBA port speed. */
2829                 fcport->fp_speed = ha->link_data_rate;
2830
2831                 qla2x00_update_fcport(vha, fcport);
2832
2833                 found_devs++;
2834         }
2835
2836 cleanup_allocation:
2837         kfree(new_fcport);
2838
2839         if (rval != QLA_SUCCESS) {
2840                 ql_dbg(ql_dbg_disc, vha, 0x201d,
2841                     "Configure local loop error exit: rval=%x.\n", rval);
2842         }
2843
2844         return (rval);
2845 }
2846
2847 static void
2848 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2849 {
2850 #define LS_UNKNOWN      2
2851         static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2852         char *link_speed;
2853         int rval;
2854         uint16_t mb[4];
2855         struct qla_hw_data *ha = vha->hw;
2856
2857         if (!IS_IIDMA_CAPABLE(ha))
2858                 return;
2859
2860         if (atomic_read(&fcport->state) != FCS_ONLINE)
2861                 return;
2862
2863         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2864             fcport->fp_speed > ha->link_data_rate)
2865                 return;
2866
2867         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2868             mb);
2869         if (rval != QLA_SUCCESS) {
2870                 ql_dbg(ql_dbg_disc, vha, 0x2004,
2871                     "Unable to adjust iIDMA "
2872                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x "
2873                     "%04x.\n", fcport->port_name[0], fcport->port_name[1],
2874                     fcport->port_name[2], fcport->port_name[3],
2875                     fcport->port_name[4], fcport->port_name[5],
2876                     fcport->port_name[6], fcport->port_name[7], rval,
2877                     fcport->fp_speed, mb[0], mb[1]);
2878         } else {
2879                 link_speed = link_speeds[LS_UNKNOWN];
2880                 if (fcport->fp_speed < 5)
2881                         link_speed = link_speeds[fcport->fp_speed];
2882                 else if (fcport->fp_speed == 0x13)
2883                         link_speed = link_speeds[5];
2884                 ql_dbg(ql_dbg_disc, vha, 0x2005,
2885                     "iIDMA adjusted to %s GB/s "
2886                     "on %02x%02x%02x%02x%02x%02x%02x%02x.\n", link_speed,
2887                     fcport->port_name[0], fcport->port_name[1],
2888                     fcport->port_name[2], fcport->port_name[3],
2889                     fcport->port_name[4], fcport->port_name[5],
2890                     fcport->port_name[6], fcport->port_name[7]);
2891         }
2892 }
2893
2894 static void
2895 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2896 {
2897         struct fc_rport_identifiers rport_ids;
2898         struct fc_rport *rport;
2899         unsigned long flags;
2900
2901         qla2x00_rport_del(fcport);
2902
2903         rport_ids.node_name = wwn_to_u64(fcport->node_name);
2904         rport_ids.port_name = wwn_to_u64(fcport->port_name);
2905         rport_ids.port_id = fcport->d_id.b.domain << 16 |
2906             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2907         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2908         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2909         if (!rport) {
2910                 ql_log(ql_log_warn, vha, 0x2006,
2911                     "Unable to allocate fc remote port.\n");
2912                 return;
2913         }
2914         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2915         *((fc_port_t **)rport->dd_data) = fcport;
2916         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2917
2918         rport->supported_classes = fcport->supported_classes;
2919
2920         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2921         if (fcport->port_type == FCT_INITIATOR)
2922                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2923         if (fcport->port_type == FCT_TARGET)
2924                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2925         fc_remote_port_rolechg(rport, rport_ids.roles);
2926 }
2927
2928 /*
2929  * qla2x00_update_fcport
2930  *      Updates device on list.
2931  *
2932  * Input:
2933  *      ha = adapter block pointer.
2934  *      fcport = port structure pointer.
2935  *
2936  * Return:
2937  *      0  - Success
2938  *  BIT_0 - error
2939  *
2940  * Context:
2941  *      Kernel context.
2942  */
2943 void
2944 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2945 {
2946         fcport->vha = vha;
2947         fcport->login_retry = 0;
2948         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
2949
2950         qla2x00_iidma_fcport(vha, fcport);
2951         qla24xx_update_fcport_fcp_prio(vha, fcport);
2952         qla2x00_reg_remote_port(vha, fcport);
2953         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
2954 }
2955
2956 /*
2957  * qla2x00_configure_fabric
2958  *      Setup SNS devices with loop ID's.
2959  *
2960  * Input:
2961  *      ha = adapter block pointer.
2962  *
2963  * Returns:
2964  *      0 = success.
2965  *      BIT_0 = error
2966  */
2967 static int
2968 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2969 {
2970         int     rval, rval2;
2971         fc_port_t       *fcport, *fcptemp;
2972         uint16_t        next_loopid;
2973         uint16_t        mb[MAILBOX_REGISTER_COUNT];
2974         uint16_t        loop_id;
2975         LIST_HEAD(new_fcports);
2976         struct qla_hw_data *ha = vha->hw;
2977         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2978
2979         /* If FL port exists, then SNS is present */
2980         if (IS_FWI2_CAPABLE(ha))
2981                 loop_id = NPH_F_PORT;
2982         else
2983                 loop_id = SNS_FL_PORT;
2984         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2985         if (rval != QLA_SUCCESS) {
2986                 ql_dbg(ql_dbg_disc, vha, 0x201f,
2987                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
2988
2989                 vha->device_flags &= ~SWITCH_FOUND;
2990                 return (QLA_SUCCESS);
2991         }
2992         vha->device_flags |= SWITCH_FOUND;
2993
2994         /* Mark devices that need re-synchronization. */
2995         rval2 = qla2x00_device_resync(vha);
2996         if (rval2 == QLA_RSCNS_HANDLED) {
2997                 /* No point doing the scan, just continue. */
2998                 return (QLA_SUCCESS);
2999         }
3000         do {
3001                 /* FDMI support. */
3002                 if (ql2xfdmienable &&
3003                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3004                         qla2x00_fdmi_register(vha);
3005
3006                 /* Ensure we are logged into the SNS. */
3007                 if (IS_FWI2_CAPABLE(ha))
3008                         loop_id = NPH_SNS;
3009                 else
3010                         loop_id = SIMPLE_NAME_SERVER;
3011                 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3012                     0xfc, mb, BIT_1 | BIT_0);
3013                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3014                         ql_dbg(ql_dbg_disc, vha, 0x2042,
3015                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3016                             "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3017                             mb[2], mb[6], mb[7]);
3018                         return (QLA_SUCCESS);
3019                 }
3020
3021                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3022                         if (qla2x00_rft_id(vha)) {
3023                                 /* EMPTY */
3024                                 ql_dbg(ql_dbg_disc, vha, 0x2045,
3025                                     "Register FC-4 TYPE failed.\n");
3026                         }
3027                         if (qla2x00_rff_id(vha)) {
3028                                 /* EMPTY */
3029                                 ql_dbg(ql_dbg_disc, vha, 0x2049,
3030                                     "Register FC-4 Features failed.\n");
3031                         }
3032                         if (qla2x00_rnn_id(vha)) {
3033                                 /* EMPTY */
3034                                 ql_dbg(ql_dbg_disc, vha, 0x204f,
3035                                     "Register Node Name failed.\n");
3036                         } else if (qla2x00_rsnn_nn(vha)) {
3037                                 /* EMPTY */
3038                                 ql_dbg(ql_dbg_disc, vha, 0x2053,
3039                                     "Register Symobilic Node Name failed.\n");
3040                         }
3041                 }
3042
3043                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3044                 if (rval != QLA_SUCCESS)
3045                         break;
3046
3047                 /*
3048                  * Logout all previous fabric devices marked lost, except
3049                  * FCP2 devices.
3050                  */
3051                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3052                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3053                                 break;
3054
3055                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3056                                 continue;
3057
3058                         if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3059                                 qla2x00_mark_device_lost(vha, fcport,
3060                                     ql2xplogiabsentdevice, 0);
3061                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
3062                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3063                                     fcport->port_type != FCT_INITIATOR &&
3064                                     fcport->port_type != FCT_BROADCAST) {
3065                                         ha->isp_ops->fabric_logout(vha,
3066                                             fcport->loop_id,
3067                                             fcport->d_id.b.domain,
3068                                             fcport->d_id.b.area,
3069                                             fcport->d_id.b.al_pa);
3070                                         fcport->loop_id = FC_NO_LOOP_ID;
3071                                 }
3072                         }
3073                 }
3074
3075                 /* Starting free loop ID. */
3076                 next_loopid = ha->min_external_loopid;
3077
3078                 /*
3079                  * Scan through our port list and login entries that need to be
3080                  * logged in.
3081                  */
3082                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3083                         if (atomic_read(&vha->loop_down_timer) ||
3084                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3085                                 break;
3086
3087                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3088                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3089                                 continue;
3090
3091                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3092                                 fcport->loop_id = next_loopid;
3093                                 rval = qla2x00_find_new_loop_id(
3094                                     base_vha, fcport);
3095                                 if (rval != QLA_SUCCESS) {
3096                                         /* Ran out of IDs to use */
3097                                         break;
3098                                 }
3099                         }
3100                         /* Login and update database */
3101                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3102                 }
3103
3104                 /* Exit if out of loop IDs. */
3105                 if (rval != QLA_SUCCESS) {
3106                         break;
3107                 }
3108
3109                 /*
3110                  * Login and add the new devices to our port list.
3111                  */
3112                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3113                         if (atomic_read(&vha->loop_down_timer) ||
3114                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3115                                 break;
3116
3117                         /* Find a new loop ID to use. */
3118                         fcport->loop_id = next_loopid;
3119                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
3120                         if (rval != QLA_SUCCESS) {
3121                                 /* Ran out of IDs to use */
3122                                 break;
3123                         }
3124
3125                         /* Login and update database */
3126                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3127
3128                         if (vha->vp_idx) {
3129                                 fcport->vha = vha;
3130                                 fcport->vp_idx = vha->vp_idx;
3131                         }
3132                         list_move_tail(&fcport->list, &vha->vp_fcports);
3133                 }
3134         } while (0);
3135
3136         /* Free all new device structures not processed. */
3137         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3138                 list_del(&fcport->list);
3139                 kfree(fcport);
3140         }
3141
3142         if (rval) {
3143                 ql_dbg(ql_dbg_disc, vha, 0x2068,
3144                     "Configure fabric error exit rval=%d.\n", rval);
3145         }
3146
3147         return (rval);
3148 }
3149
3150 /*
3151  * qla2x00_find_all_fabric_devs
3152  *
3153  * Input:
3154  *      ha = adapter block pointer.
3155  *      dev = database device entry pointer.
3156  *
3157  * Returns:
3158  *      0 = success.
3159  *
3160  * Context:
3161  *      Kernel context.
3162  */
3163 static int
3164 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3165         struct list_head *new_fcports)
3166 {
3167         int             rval;
3168         uint16_t        loop_id;
3169         fc_port_t       *fcport, *new_fcport, *fcptemp;
3170         int             found;
3171
3172         sw_info_t       *swl;
3173         int             swl_idx;
3174         int             first_dev, last_dev;
3175         port_id_t       wrap = {}, nxt_d_id;
3176         struct qla_hw_data *ha = vha->hw;
3177         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3178         struct scsi_qla_host *tvp;
3179
3180         rval = QLA_SUCCESS;
3181
3182         /* Try GID_PT to get device list, else GAN. */
3183         swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
3184         if (!swl) {
3185                 /*EMPTY*/
3186                 ql_dbg(ql_dbg_disc, vha, 0x2054,
3187                     "GID_PT allocations failed, fallback on GA_NXT.\n");
3188         } else {
3189                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3190                         kfree(swl);
3191                         swl = NULL;
3192                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3193                         kfree(swl);
3194                         swl = NULL;
3195                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3196                         kfree(swl);
3197                         swl = NULL;
3198                 } else if (ql2xiidmaenable &&
3199                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3200                         qla2x00_gpsc(vha, swl);
3201                 }
3202
3203                 /* If other queries succeeded probe for FC-4 type */
3204                 if (swl)
3205                         qla2x00_gff_id(vha, swl);
3206         }
3207         swl_idx = 0;
3208
3209         /* Allocate temporary fcport for any new fcports discovered. */
3210         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3211         if (new_fcport == NULL) {
3212                 ql_log(ql_log_warn, vha, 0x205e,
3213                     "Failed to allocate memory for fcport.\n");
3214                 kfree(swl);
3215                 return (QLA_MEMORY_ALLOC_FAILED);
3216         }
3217         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3218         /* Set start port ID scan at adapter ID. */
3219         first_dev = 1;
3220         last_dev = 0;
3221
3222         /* Starting free loop ID. */
3223         loop_id = ha->min_external_loopid;
3224         for (; loop_id <= ha->max_loop_id; loop_id++) {
3225                 if (qla2x00_is_reserved_id(vha, loop_id))
3226                         continue;
3227
3228                 if (ha->current_topology == ISP_CFG_FL &&
3229                     (atomic_read(&vha->loop_down_timer) ||
3230                      LOOP_TRANSITION(vha))) {
3231                         atomic_set(&vha->loop_down_timer, 0);
3232                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3233                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3234                         break;
3235                 }
3236
3237                 if (swl != NULL) {
3238                         if (last_dev) {
3239                                 wrap.b24 = new_fcport->d_id.b24;
3240                         } else {
3241                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3242                                 memcpy(new_fcport->node_name,
3243                                     swl[swl_idx].node_name, WWN_SIZE);
3244                                 memcpy(new_fcport->port_name,
3245                                     swl[swl_idx].port_name, WWN_SIZE);
3246                                 memcpy(new_fcport->fabric_port_name,
3247                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3248                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3249                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3250
3251                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3252                                         last_dev = 1;
3253                                 }
3254                                 swl_idx++;
3255                         }
3256                 } else {
3257                         /* Send GA_NXT to the switch */
3258                         rval = qla2x00_ga_nxt(vha, new_fcport);
3259                         if (rval != QLA_SUCCESS) {
3260                                 ql_log(ql_log_warn, vha, 0x2064,
3261                                     "SNS scan failed -- assuming "
3262                                     "zero-entry result.\n");
3263                                 list_for_each_entry_safe(fcport, fcptemp,
3264                                     new_fcports, list) {
3265                                         list_del(&fcport->list);
3266                                         kfree(fcport);
3267                                 }
3268                                 rval = QLA_SUCCESS;
3269                                 break;
3270                         }
3271                 }
3272
3273                 /* If wrap on switch device list, exit. */
3274                 if (first_dev) {
3275                         wrap.b24 = new_fcport->d_id.b24;
3276                         first_dev = 0;
3277                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3278                         ql_dbg(ql_dbg_disc, vha, 0x2065,
3279                             "Device wrap (%02x%02x%02x).\n",
3280                             new_fcport->d_id.b.domain,
3281                             new_fcport->d_id.b.area,
3282                             new_fcport->d_id.b.al_pa);
3283                         break;
3284                 }
3285
3286                 /* Bypass if same physical adapter. */
3287                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3288                         continue;
3289
3290                 /* Bypass virtual ports of the same host. */
3291                 found = 0;
3292                 if (ha->num_vhosts) {
3293                         unsigned long flags;
3294
3295                         spin_lock_irqsave(&ha->vport_slock, flags);
3296                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3297                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3298                                         found = 1;
3299                                         break;
3300                                 }
3301                         }
3302                         spin_unlock_irqrestore(&ha->vport_slock, flags);
3303
3304                         if (found)
3305                                 continue;
3306                 }
3307
3308                 /* Bypass if same domain and area of adapter. */
3309                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3310                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3311                         ISP_CFG_FL)
3312                             continue;
3313
3314                 /* Bypass reserved domain fields. */
3315                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3316                         continue;
3317
3318                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3319                 if (ql2xgffidenable &&
3320                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3321                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3322                         continue;
3323
3324                 /* Locate matching device in database. */
3325                 found = 0;
3326                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3327                         if (memcmp(new_fcport->port_name, fcport->port_name,
3328                             WWN_SIZE))
3329                                 continue;
3330
3331                         found++;
3332
3333                         /* Update port state. */
3334                         memcpy(fcport->fabric_port_name,
3335                             new_fcport->fabric_port_name, WWN_SIZE);
3336                         fcport->fp_speed = new_fcport->fp_speed;
3337
3338                         /*
3339                          * If address the same and state FCS_ONLINE, nothing
3340                          * changed.
3341                          */
3342                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3343                             atomic_read(&fcport->state) == FCS_ONLINE) {
3344                                 break;
3345                         }
3346
3347                         /*
3348                          * If device was not a fabric device before.
3349                          */
3350                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3351                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3352                                 fcport->loop_id = FC_NO_LOOP_ID;
3353                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3354                                     FCF_LOGIN_NEEDED);
3355                                 break;
3356                         }
3357
3358                         /*
3359                          * Port ID changed or device was marked to be updated;
3360                          * Log it out if still logged in and mark it for
3361                          * relogin later.
3362                          */
3363                         fcport->d_id.b24 = new_fcport->d_id.b24;
3364                         fcport->flags |= FCF_LOGIN_NEEDED;
3365                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3366                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3367                             fcport->port_type != FCT_INITIATOR &&
3368                             fcport->port_type != FCT_BROADCAST) {
3369                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3370                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3371                                     fcport->d_id.b.al_pa);
3372                                 fcport->loop_id = FC_NO_LOOP_ID;
3373                         }
3374
3375                         break;
3376                 }
3377
3378                 if (found)
3379                         continue;
3380                 /* If device was not in our fcports list, then add it. */
3381                 list_add_tail(&new_fcport->list, new_fcports);
3382
3383                 /* Allocate a new replacement fcport. */
3384                 nxt_d_id.b24 = new_fcport->d_id.b24;
3385                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3386                 if (new_fcport == NULL) {
3387                         ql_log(ql_log_warn, vha, 0x2066,
3388                             "Memory allocation failed for fcport.\n");
3389                         kfree(swl);
3390                         return (QLA_MEMORY_ALLOC_FAILED);
3391                 }
3392                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3393                 new_fcport->d_id.b24 = nxt_d_id.b24;
3394         }
3395
3396         kfree(swl);
3397         kfree(new_fcport);
3398
3399         return (rval);
3400 }
3401
3402 /*
3403  * qla2x00_find_new_loop_id
3404  *      Scan through our port list and find a new usable loop ID.
3405  *
3406  * Input:
3407  *      ha:     adapter state pointer.
3408  *      dev:    port structure pointer.
3409  *
3410  * Returns:
3411  *      qla2x00 local function return status code.
3412  *
3413  * Context:
3414  *      Kernel context.
3415  */
3416 int
3417 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3418 {
3419         int     rval;
3420         int     found;
3421         fc_port_t *fcport;
3422         uint16_t first_loop_id;
3423         struct qla_hw_data *ha = vha->hw;
3424         struct scsi_qla_host *vp;
3425         struct scsi_qla_host *tvp;
3426         unsigned long flags = 0;
3427
3428         rval = QLA_SUCCESS;
3429
3430         /* Save starting loop ID. */
3431         first_loop_id = dev->loop_id;
3432
3433         for (;;) {
3434                 /* Skip loop ID if already used by adapter. */
3435                 if (dev->loop_id == vha->loop_id)
3436                         dev->loop_id++;
3437
3438                 /* Skip reserved loop IDs. */
3439                 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3440                         dev->loop_id++;
3441
3442                 /* Reset loop ID if passed the end. */
3443                 if (dev->loop_id > ha->max_loop_id) {
3444                         /* first loop ID. */
3445                         dev->loop_id = ha->min_external_loopid;
3446                 }
3447
3448                 /* Check for loop ID being already in use. */
3449                 found = 0;
3450                 fcport = NULL;
3451
3452                 spin_lock_irqsave(&ha->vport_slock, flags);
3453                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3454                         list_for_each_entry(fcport, &vp->vp_fcports, list) {
3455                                 if (fcport->loop_id == dev->loop_id &&
3456                                                                 fcport != dev) {
3457                                         /* ID possibly in use */
3458                                         found++;
3459                                         break;
3460                                 }
3461                         }
3462                         if (found)
3463                                 break;
3464                 }
3465                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3466
3467                 /* If not in use then it is free to use. */
3468                 if (!found) {
3469                         break;
3470                 }
3471
3472                 /* ID in use. Try next value. */
3473                 dev->loop_id++;
3474
3475                 /* If wrap around. No free ID to use. */
3476                 if (dev->loop_id == first_loop_id) {
3477                         dev->loop_id = FC_NO_LOOP_ID;
3478                         rval = QLA_FUNCTION_FAILED;
3479                         break;
3480                 }
3481         }
3482
3483         return (rval);
3484 }
3485
3486 /*
3487  * qla2x00_device_resync
3488  *      Marks devices in the database that needs resynchronization.
3489  *
3490  * Input:
3491  *      ha = adapter block pointer.
3492  *
3493  * Context:
3494  *      Kernel context.
3495  */
3496 static int
3497 qla2x00_device_resync(scsi_qla_host_t *vha)
3498 {
3499         int     rval;
3500         uint32_t mask;
3501         fc_port_t *fcport;
3502         uint32_t rscn_entry;
3503         uint8_t rscn_out_iter;
3504         uint8_t format;
3505         port_id_t d_id = {};
3506
3507         rval = QLA_RSCNS_HANDLED;
3508
3509         while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3510             vha->flags.rscn_queue_overflow) {
3511
3512                 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3513                 format = MSB(MSW(rscn_entry));
3514                 d_id.b.domain = LSB(MSW(rscn_entry));
3515                 d_id.b.area = MSB(LSW(rscn_entry));
3516                 d_id.b.al_pa = LSB(LSW(rscn_entry));
3517
3518                 ql_dbg(ql_dbg_disc, vha, 0x2020,
3519                     "RSCN queue entry[%d] = [%02x/%02x%02x%02x].\n",
3520                     vha->rscn_out_ptr, format, d_id.b.domain, d_id.b.area,
3521                     d_id.b.al_pa);
3522
3523                 vha->rscn_out_ptr++;
3524                 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3525                         vha->rscn_out_ptr = 0;
3526
3527                 /* Skip duplicate entries. */
3528                 for (rscn_out_iter = vha->rscn_out_ptr;
3529                     !vha->flags.rscn_queue_overflow &&
3530                     rscn_out_iter != vha->rscn_in_ptr;
3531                     rscn_out_iter = (rscn_out_iter ==
3532                         (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3533
3534                         if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3535                                 break;
3536
3537                         ql_dbg(ql_dbg_disc, vha, 0x2021,
3538                             "Skipping duplicate RSCN queue entry found at "
3539                             "[%d].\n", rscn_out_iter);
3540
3541                         vha->rscn_out_ptr = rscn_out_iter;
3542                 }
3543
3544                 /* Queue overflow, set switch default case. */
3545                 if (vha->flags.rscn_queue_overflow) {
3546                         ql_dbg(ql_dbg_disc, vha, 0x2022,
3547                             "device_resync: rscn overflow.\n");
3548
3549                         format = 3;
3550                         vha->flags.rscn_queue_overflow = 0;
3551                 }
3552
3553                 switch (format) {
3554                 case 0:
3555                         mask = 0xffffff;
3556                         break;
3557                 case 1:
3558                         mask = 0xffff00;
3559                         break;
3560                 case 2:
3561                         mask = 0xff0000;
3562                         break;
3563                 default:
3564                         mask = 0x0;
3565                         d_id.b24 = 0;
3566                         vha->rscn_out_ptr = vha->rscn_in_ptr;
3567                         break;
3568                 }
3569
3570                 rval = QLA_SUCCESS;
3571
3572                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3573                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3574                             (fcport->d_id.b24 & mask) != d_id.b24 ||
3575                             fcport->port_type == FCT_BROADCAST)
3576                                 continue;
3577
3578                         if (atomic_read(&fcport->state) == FCS_ONLINE) {
3579                                 if (format != 3 ||
3580                                     fcport->port_type != FCT_INITIATOR) {
3581                                         qla2x00_mark_device_lost(vha, fcport,
3582                                             0, 0);
3583                                 }
3584                         }
3585                 }
3586         }
3587         return (rval);
3588 }
3589
3590 /*
3591  * qla2x00_fabric_dev_login
3592  *      Login fabric target device and update FC port database.
3593  *
3594  * Input:
3595  *      ha:             adapter state pointer.
3596  *      fcport:         port structure list pointer.
3597  *      next_loopid:    contains value of a new loop ID that can be used
3598  *                      by the next login attempt.
3599  *
3600  * Returns:
3601  *      qla2x00 local function return status code.
3602  *
3603  * Context:
3604  *      Kernel context.
3605  */
3606 static int
3607 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3608     uint16_t *next_loopid)
3609 {
3610         int     rval;
3611         int     retry;
3612         uint8_t opts;
3613         struct qla_hw_data *ha = vha->hw;
3614
3615         rval = QLA_SUCCESS;
3616         retry = 0;
3617
3618         if (IS_ALOGIO_CAPABLE(ha)) {
3619                 if (fcport->flags & FCF_ASYNC_SENT)
3620                         return rval;
3621                 fcport->flags |= FCF_ASYNC_SENT;
3622                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3623                 if (!rval)
3624                         return rval;
3625         }
3626
3627         fcport->flags &= ~FCF_ASYNC_SENT;
3628         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3629         if (rval == QLA_SUCCESS) {
3630                 /* Send an ADISC to FCP2 devices.*/
3631                 opts = 0;
3632                 if (fcport->flags & FCF_FCP2_DEVICE)
3633                         opts |= BIT_1;
3634                 rval = qla2x00_get_port_database(vha, fcport, opts);
3635                 if (rval != QLA_SUCCESS) {
3636                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3637                             fcport->d_id.b.domain, fcport->d_id.b.area,
3638                             fcport->d_id.b.al_pa);
3639                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3640                 } else {
3641                         qla2x00_update_fcport(vha, fcport);
3642                 }
3643         }
3644
3645         return (rval);
3646 }
3647
3648 /*
3649  * qla2x00_fabric_login
3650  *      Issue fabric login command.
3651  *
3652  * Input:
3653  *      ha = adapter block pointer.
3654  *      device = pointer to FC device type structure.
3655  *
3656  * Returns:
3657  *      0 - Login successfully
3658  *      1 - Login failed
3659  *      2 - Initiator device
3660  *      3 - Fatal error
3661  */
3662 int
3663 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3664     uint16_t *next_loopid)
3665 {
3666         int     rval;
3667         int     retry;
3668         uint16_t tmp_loopid;
3669         uint16_t mb[MAILBOX_REGISTER_COUNT];
3670         struct qla_hw_data *ha = vha->hw;
3671
3672         retry = 0;
3673         tmp_loopid = 0;
3674
3675         for (;;) {
3676                 ql_dbg(ql_dbg_disc, vha, 0x2000,
3677                     "Trying Fabric Login w/loop id 0x%04x for port "
3678                     "%02x%02x%02x.\n",
3679                     fcport->loop_id, fcport->d_id.b.domain,
3680                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
3681
3682                 /* Login fcport on switch. */
3683                 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3684                     fcport->d_id.b.domain, fcport->d_id.b.area,
3685                     fcport->d_id.b.al_pa, mb, BIT_0);
3686                 if (mb[0] == MBS_PORT_ID_USED) {
3687                         /*
3688                          * Device has another loop ID.  The firmware team
3689                          * recommends the driver perform an implicit login with
3690                          * the specified ID again. The ID we just used is save
3691                          * here so we return with an ID that can be tried by
3692                          * the next login.
3693                          */
3694                         retry++;
3695                         tmp_loopid = fcport->loop_id;
3696                         fcport->loop_id = mb[1];
3697
3698                         ql_dbg(ql_dbg_disc, vha, 0x2001,
3699                             "Fabric Login: port in use - next loop "
3700                             "id=0x%04x, port id= %02x%02x%02x.\n",
3701                             fcport->loop_id, fcport->d_id.b.domain,
3702                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
3703
3704                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3705                         /*
3706                          * Login succeeded.
3707                          */
3708                         if (retry) {
3709                                 /* A retry occurred before. */
3710                                 *next_loopid = tmp_loopid;
3711                         } else {
3712                                 /*
3713                                  * No retry occurred before. Just increment the
3714                                  * ID value for next login.
3715                                  */
3716                                 *next_loopid = (fcport->loop_id + 1);
3717                         }
3718
3719                         if (mb[1] & BIT_0) {
3720                                 fcport->port_type = FCT_INITIATOR;
3721                         } else {
3722                                 fcport->port_type = FCT_TARGET;
3723                                 if (mb[1] & BIT_1) {
3724                                         fcport->flags |= FCF_FCP2_DEVICE;
3725                                 }
3726                         }
3727
3728                         if (mb[10] & BIT_0)
3729                                 fcport->supported_classes |= FC_COS_CLASS2;
3730                         if (mb[10] & BIT_1)
3731                                 fcport->supported_classes |= FC_COS_CLASS3;
3732
3733                         rval = QLA_SUCCESS;
3734                         break;
3735                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3736                         /*
3737                          * Loop ID already used, try next loop ID.
3738                          */
3739                         fcport->loop_id++;
3740                         rval = qla2x00_find_new_loop_id(vha, fcport);
3741                         if (rval != QLA_SUCCESS) {
3742                                 /* Ran out of loop IDs to use */
3743                                 break;
3744                         }
3745                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3746                         /*
3747                          * Firmware possibly timed out during login. If NO
3748                          * retries are left to do then the device is declared
3749                          * dead.
3750                          */
3751                         *next_loopid = fcport->loop_id;
3752                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3753                             fcport->d_id.b.domain, fcport->d_id.b.area,
3754                             fcport->d_id.b.al_pa);
3755                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3756
3757                         rval = 1;
3758                         break;
3759                 } else {
3760                         /*
3761                          * unrecoverable / not handled error
3762                          */
3763                         ql_dbg(ql_dbg_disc, vha, 0x2002,
3764                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
3765                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
3766                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
3767                             fcport->loop_id, jiffies);
3768
3769                         *next_loopid = fcport->loop_id;
3770                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3771                             fcport->d_id.b.domain, fcport->d_id.b.area,
3772                             fcport->d_id.b.al_pa);
3773                         fcport->loop_id = FC_NO_LOOP_ID;
3774                         fcport->login_retry = 0;
3775
3776                         rval = 3;
3777                         break;
3778                 }
3779         }
3780
3781         return (rval);
3782 }
3783
3784 /*
3785  * qla2x00_local_device_login
3786  *      Issue local device login command.
3787  *
3788  * Input:
3789  *      ha = adapter block pointer.
3790  *      loop_id = loop id of device to login to.
3791  *
3792  * Returns (Where's the #define!!!!):
3793  *      0 - Login successfully
3794  *      1 - Login failed
3795  *      3 - Fatal error
3796  */
3797 int
3798 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3799 {
3800         int             rval;
3801         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3802
3803         memset(mb, 0, sizeof(mb));
3804         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3805         if (rval == QLA_SUCCESS) {
3806                 /* Interrogate mailbox registers for any errors */
3807                 if (mb[0] == MBS_COMMAND_ERROR)
3808                         rval = 1;
3809                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3810                         /* device not in PCB table */
3811                         rval = 3;
3812         }
3813
3814         return (rval);
3815 }
3816
3817 /*
3818  *  qla2x00_loop_resync
3819  *      Resync with fibre channel devices.
3820  *
3821  * Input:
3822  *      ha = adapter block pointer.
3823  *
3824  * Returns:
3825  *      0 = success
3826  */
3827 int
3828 qla2x00_loop_resync(scsi_qla_host_t *vha)
3829 {
3830         int rval = QLA_SUCCESS;
3831         uint32_t wait_time;
3832         struct req_que *req;
3833         struct rsp_que *rsp;
3834
3835         if (vha->hw->flags.cpu_affinity_enabled)
3836                 req = vha->hw->req_q_map[0];
3837         else
3838                 req = vha->req;
3839         rsp = req->rsp;
3840
3841         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3842         if (vha->flags.online) {
3843                 if (!(rval = qla2x00_fw_ready(vha))) {
3844                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3845                         wait_time = 256;
3846                         do {
3847                                 /* Issue a marker after FW becomes ready. */
3848                                 qla2x00_marker(vha, req, rsp, 0, 0,
3849                                         MK_SYNC_ALL);
3850                                 vha->marker_needed = 0;
3851
3852                                 /* Remap devices on Loop. */
3853                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3854
3855                                 qla2x00_configure_loop(vha);
3856                                 wait_time--;
3857                         } while (!atomic_read(&vha->loop_down_timer) &&
3858                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3859                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3860                                 &vha->dpc_flags)));
3861                 }
3862         }
3863
3864         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3865                 return (QLA_FUNCTION_FAILED);
3866
3867         if (rval)
3868                 ql_dbg(ql_dbg_disc, vha, 0x206c,
3869                     "%s *** FAILED ***.\n", __func__);
3870
3871         return (rval);
3872 }
3873
3874 /*
3875 * qla2x00_perform_loop_resync
3876 * Description: This function will set the appropriate flags and call
3877 *              qla2x00_loop_resync. If successful loop will be resynced
3878 * Arguments : scsi_qla_host_t pointer
3879 * returm    : Success or Failure
3880 */
3881
3882 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3883 {
3884         int32_t rval = 0;
3885
3886         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3887                 /*Configure the flags so that resync happens properly*/
3888                 atomic_set(&ha->loop_down_timer, 0);
3889                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3890                         atomic_set(&ha->loop_state, LOOP_UP);
3891                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3892                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3893                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3894
3895                         rval = qla2x00_loop_resync(ha);
3896                 } else
3897                         atomic_set(&ha->loop_state, LOOP_DEAD);
3898
3899                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3900         }
3901
3902         return rval;
3903 }
3904
3905 void
3906 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3907 {
3908         fc_port_t *fcport;
3909         struct scsi_qla_host *vha;
3910         struct qla_hw_data *ha = base_vha->hw;
3911         unsigned long flags;
3912
3913         spin_lock_irqsave(&ha->vport_slock, flags);
3914         /* Go with deferred removal of rport references. */
3915         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3916                 atomic_inc(&vha->vref_count);
3917                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3918                         if (fcport->drport &&
3919                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3920                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3921
3922                                 qla2x00_rport_del(fcport);
3923
3924                                 spin_lock_irqsave(&ha->vport_slock, flags);
3925                         }
3926                 }
3927                 atomic_dec(&vha->vref_count);
3928         }
3929         spin_unlock_irqrestore(&ha->vport_slock, flags);
3930 }
3931
3932 /*
3933 * qla82xx_quiescent_state_cleanup
3934 * Description: This function will block the new I/Os
3935 *              Its not aborting any I/Os as context
3936 *              is not destroyed during quiescence
3937 * Arguments: scsi_qla_host_t
3938 * return   : void
3939 */
3940 void
3941 qla82xx_quiescent_state_cleanup(scsi_qla_host_t *vha)
3942 {
3943         struct qla_hw_data *ha = vha->hw;
3944         struct scsi_qla_host *vp;
3945
3946         ql_dbg(ql_dbg_p3p, vha, 0xb002,
3947             "Performing ISP error recovery - ha=%p.\n", ha);
3948
3949         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3950         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3951                 atomic_set(&vha->loop_state, LOOP_DOWN);
3952                 qla2x00_mark_all_devices_lost(vha, 0);
3953                 list_for_each_entry(vp, &ha->vp_list, list)
3954                         qla2x00_mark_all_devices_lost(vha, 0);
3955         } else {
3956                 if (!atomic_read(&vha->loop_down_timer))
3957                         atomic_set(&vha->loop_down_timer,
3958                                         LOOP_DOWN_TIME);
3959         }
3960         /* Wait for pending cmds to complete */
3961         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
3962 }
3963
3964 void
3965 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
3966 {
3967         struct qla_hw_data *ha = vha->hw;
3968         struct scsi_qla_host *vp;
3969         unsigned long flags;
3970         fc_port_t *fcport;
3971
3972         /* For ISP82XX, driver waits for completion of the commands.
3973          * online flag should be set.
3974          */
3975         if (!IS_QLA82XX(ha))
3976                 vha->flags.online = 0;
3977         ha->flags.chip_reset_done = 0;
3978         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3979         ha->qla_stats.total_isp_aborts++;
3980
3981         ql_log(ql_log_info, vha, 0x00af,
3982             "Performing ISP error recovery - ha=%p.\n", ha);
3983
3984         /* For ISP82XX, reset_chip is just disabling interrupts.
3985          * Driver waits for the completion of the commands.
3986          * the interrupts need to be enabled.
3987          */
3988         if (!IS_QLA82XX(ha))
3989                 ha->isp_ops->reset_chip(vha);
3990
3991         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3992         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3993                 atomic_set(&vha->loop_state, LOOP_DOWN);
3994                 qla2x00_mark_all_devices_lost(vha, 0);
3995
3996                 spin_lock_irqsave(&ha->vport_slock, flags);
3997                 list_for_each_entry(vp, &ha->vp_list, list) {
3998                         atomic_inc(&vp->vref_count);
3999                         spin_unlock_irqrestore(&ha->vport_slock, flags);
4000
4001                         qla2x00_mark_all_devices_lost(vp, 0);
4002
4003                         spin_lock_irqsave(&ha->vport_slock, flags);
4004                         atomic_dec(&vp->vref_count);
4005                 }
4006                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4007         } else {
4008                 if (!atomic_read(&vha->loop_down_timer))
4009                         atomic_set(&vha->loop_down_timer,
4010                             LOOP_DOWN_TIME);
4011         }
4012
4013         /* Clear all async request states across all VPs. */
4014         list_for_each_entry(fcport, &vha->vp_fcports, list)
4015                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4016         spin_lock_irqsave(&ha->vport_slock, flags);
4017         list_for_each_entry(vp, &ha->vp_list, list) {
4018                 atomic_inc(&vp->vref_count);
4019                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4020
4021                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4022                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4023
4024                 spin_lock_irqsave(&ha->vport_slock, flags);
4025                 atomic_dec(&vp->vref_count);
4026         }
4027         spin_unlock_irqrestore(&ha->vport_slock, flags);
4028
4029         if (!ha->flags.eeh_busy) {
4030                 /* Make sure for ISP 82XX IO DMA is complete */
4031                 if (IS_QLA82XX(ha)) {
4032                         qla82xx_chip_reset_cleanup(vha);
4033                         ql_log(ql_log_info, vha, 0x00b4,
4034                             "Done chip reset cleanup.\n");
4035
4036                         /* Done waiting for pending commands.
4037                          * Reset the online flag.
4038                          */
4039                         vha->flags.online = 0;
4040                 }
4041
4042                 /* Requeue all commands in outstanding command list. */
4043                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4044         }
4045 }
4046
4047 /*
4048 *  qla2x00_abort_isp
4049 *      Resets ISP and aborts all outstanding commands.
4050 *
4051 * Input:
4052 *      ha           = adapter block pointer.
4053 *
4054 * Returns:
4055 *      0 = success
4056 */
4057 int
4058 qla2x00_abort_isp(scsi_qla_host_t *vha)
4059 {
4060         int rval;
4061         uint8_t        status = 0;
4062         struct qla_hw_data *ha = vha->hw;
4063         struct scsi_qla_host *vp;
4064         struct req_que *req = ha->req_q_map[0];
4065         unsigned long flags;
4066
4067         if (vha->flags.online) {
4068                 qla2x00_abort_isp_cleanup(vha);
4069
4070                 if (unlikely(pci_channel_offline(ha->pdev) &&
4071                     ha->flags.pci_channel_io_perm_failure)) {
4072                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4073                         status = 0;
4074                         return status;
4075                 }
4076
4077                 ha->isp_ops->get_flash_version(vha, req->ring);
4078
4079                 ha->isp_ops->nvram_config(vha);
4080
4081                 if (!qla2x00_restart_isp(vha)) {
4082                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4083
4084                         if (!atomic_read(&vha->loop_down_timer)) {
4085                                 /*
4086                                  * Issue marker command only when we are going
4087                                  * to start the I/O .
4088                                  */
4089                                 vha->marker_needed = 1;
4090                         }
4091
4092                         vha->flags.online = 1;
4093
4094                         ha->isp_ops->enable_intrs(ha);
4095
4096                         ha->isp_abort_cnt = 0;
4097                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4098
4099                         if (IS_QLA81XX(ha))
4100                                 qla2x00_get_fw_version(vha,
4101                                     &ha->fw_major_version,
4102                                     &ha->fw_minor_version,
4103                                     &ha->fw_subminor_version,
4104                                     &ha->fw_attributes, &ha->fw_memory_size,
4105                                     ha->mpi_version, &ha->mpi_capabilities,
4106                                     ha->phy_version);
4107
4108                         if (ha->fce) {
4109                                 ha->flags.fce_enabled = 1;
4110                                 memset(ha->fce, 0,
4111                                     fce_calc_size(ha->fce_bufs));
4112                                 rval = qla2x00_enable_fce_trace(vha,
4113                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4114                                     &ha->fce_bufs);
4115                                 if (rval) {
4116                                         ql_log(ql_log_warn, vha, 0x8033,
4117                                             "Unable to reinitialize FCE "
4118                                             "(%d).\n", rval);
4119                                         ha->flags.fce_enabled = 0;
4120                                 }
4121                         }
4122
4123                         if (ha->eft) {
4124                                 memset(ha->eft, 0, EFT_SIZE);
4125                                 rval = qla2x00_enable_eft_trace(vha,
4126                                     ha->eft_dma, EFT_NUM_BUFFERS);
4127                                 if (rval) {
4128                                         ql_log(ql_log_warn, vha, 0x8034,
4129                                             "Unable to reinitialize EFT "
4130                                             "(%d).\n", rval);
4131                                 }
4132                         }
4133                 } else {        /* failed the ISP abort */
4134                         vha->flags.online = 1;
4135                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4136                                 if (ha->isp_abort_cnt == 0) {
4137                                         ql_log(ql_log_fatal, vha, 0x8035,
4138                                             "ISP error recover failed - "
4139                                             "board disabled.\n");
4140                                         /*
4141                                          * The next call disables the board
4142                                          * completely.
4143                                          */
4144                                         ha->isp_ops->reset_adapter(vha);
4145                                         vha->flags.online = 0;
4146                                         clear_bit(ISP_ABORT_RETRY,
4147                                             &vha->dpc_flags);
4148                                         status = 0;
4149                                 } else { /* schedule another ISP abort */
4150                                         ha->isp_abort_cnt--;
4151                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
4152                                             "ISP abort - retry remaining %d.\n",
4153                                             ha->isp_abort_cnt);
4154                                         status = 1;
4155                                 }
4156                         } else {
4157                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4158                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4159                                     "ISP error recovery - retrying (%d) "
4160                                     "more times.\n", ha->isp_abort_cnt);
4161                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4162                                 status = 1;
4163                         }
4164                 }
4165
4166         }
4167
4168         if (!status) {
4169                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4170
4171                 spin_lock_irqsave(&ha->vport_slock, flags);
4172                 list_for_each_entry(vp, &ha->vp_list, list) {
4173                         if (vp->vp_idx) {
4174                                 atomic_inc(&vp->vref_count);
4175                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4176
4177                                 qla2x00_vp_abort_isp(vp);
4178
4179                                 spin_lock_irqsave(&ha->vport_slock, flags);
4180                                 atomic_dec(&vp->vref_count);
4181                         }
4182                 }
4183                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4184
4185         } else {
4186                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n");
4187         }
4188
4189         return(status);
4190 }
4191
4192 /*
4193 *  qla2x00_restart_isp
4194 *      restarts the ISP after a reset
4195 *
4196 * Input:
4197 *      ha = adapter block pointer.
4198 *
4199 * Returns:
4200 *      0 = success
4201 */
4202 static int
4203 qla2x00_restart_isp(scsi_qla_host_t *vha)
4204 {
4205         int status = 0;
4206         uint32_t wait_time;
4207         struct qla_hw_data *ha = vha->hw;
4208         struct req_que *req = ha->req_q_map[0];
4209         struct rsp_que *rsp = ha->rsp_q_map[0];
4210
4211         /* If firmware needs to be loaded */
4212         if (qla2x00_isp_firmware(vha)) {
4213                 vha->flags.online = 0;
4214                 status = ha->isp_ops->chip_diag(vha);
4215                 if (!status)
4216                         status = qla2x00_setup_chip(vha);
4217         }
4218
4219         if (!status && !(status = qla2x00_init_rings(vha))) {
4220                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4221                 ha->flags.chip_reset_done = 1;
4222                 /* Initialize the queues in use */
4223                 qla25xx_init_queues(ha);
4224
4225                 status = qla2x00_fw_ready(vha);
4226                 if (!status) {
4227                         ql_dbg(ql_dbg_taskm, vha, 0x8031,
4228                             "Start configure loop status = %d.\n", status);
4229
4230                         /* Issue a marker after FW becomes ready. */
4231                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4232
4233                         vha->flags.online = 1;
4234                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4235                         wait_time = 256;
4236                         do {
4237                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4238                                 qla2x00_configure_loop(vha);
4239                                 wait_time--;
4240                         } while (!atomic_read(&vha->loop_down_timer) &&
4241                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4242                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4243                                 &vha->dpc_flags)));
4244                 }
4245
4246                 /* if no cable then assume it's good */
4247                 if ((vha->device_flags & DFLG_NO_CABLE))
4248                         status = 0;
4249
4250                 ql_dbg(ql_dbg_taskm, vha, 0x8032,
4251                     "Configure loop done, status = 0x%x.\n", status);
4252         }
4253         return (status);
4254 }
4255
4256 static int
4257 qla25xx_init_queues(struct qla_hw_data *ha)
4258 {
4259         struct rsp_que *rsp = NULL;
4260         struct req_que *req = NULL;
4261         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4262         int ret = -1;
4263         int i;
4264
4265         for (i = 1; i < ha->max_rsp_queues; i++) {
4266                 rsp = ha->rsp_q_map[i];
4267                 if (rsp) {
4268                         rsp->options &= ~BIT_0;
4269                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4270                         if (ret != QLA_SUCCESS)
4271                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4272                                     "%s Rsp que: %d init failed.\n",
4273                                     __func__, rsp->id);
4274                         else
4275                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4276                                     "%s Rsp que: %d inited.\n",
4277                                     __func__, rsp->id);
4278                 }
4279         }
4280         for (i = 1; i < ha->max_req_queues; i++) {
4281                 req = ha->req_q_map[i];
4282                 if (req) {
4283                 /* Clear outstanding commands array. */
4284                         req->options &= ~BIT_0;
4285                         ret = qla25xx_init_req_que(base_vha, req);
4286                         if (ret != QLA_SUCCESS)
4287                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4288                                     "%s Req que: %d init failed.\n",
4289                                     __func__, req->id);
4290                         else
4291                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4292                                     "%s Req que: %d inited.\n",
4293                                     __func__, req->id);
4294                 }
4295         }
4296         return ret;
4297 }
4298
4299 /*
4300 * qla2x00_reset_adapter
4301 *      Reset adapter.
4302 *
4303 * Input:
4304 *      ha = adapter block pointer.
4305 */
4306 void
4307 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4308 {
4309         unsigned long flags = 0;
4310         struct qla_hw_data *ha = vha->hw;
4311         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4312
4313         vha->flags.online = 0;
4314         ha->isp_ops->disable_intrs(ha);
4315
4316         spin_lock_irqsave(&ha->hardware_lock, flags);
4317         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4318         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4319         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4320         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4321         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4322 }
4323
4324 void
4325 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4326 {
4327         unsigned long flags = 0;
4328         struct qla_hw_data *ha = vha->hw;
4329         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4330
4331         if (IS_QLA82XX(ha))
4332                 return;
4333
4334         vha->flags.online = 0;
4335         ha->isp_ops->disable_intrs(ha);
4336
4337         spin_lock_irqsave(&ha->hardware_lock, flags);
4338         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4339         RD_REG_DWORD(&reg->hccr);
4340         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4341         RD_REG_DWORD(&reg->hccr);
4342         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4343
4344         if (IS_NOPOLLING_TYPE(ha))
4345                 ha->isp_ops->enable_intrs(ha);
4346 }
4347
4348 /* On sparc systems, obtain port and node WWN from firmware
4349  * properties.
4350  */
4351 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4352         struct nvram_24xx *nv)
4353 {
4354 #ifdef CONFIG_SPARC
4355         struct qla_hw_data *ha = vha->hw;
4356         struct pci_dev *pdev = ha->pdev;
4357         struct device_node *dp = pci_device_to_OF_node(pdev);
4358         const u8 *val;
4359         int len;
4360
4361         val = of_get_property(dp, "port-wwn", &len);
4362         if (val && len >= WWN_SIZE)
4363                 memcpy(nv->port_name, val, WWN_SIZE);
4364
4365         val = of_get_property(dp, "node-wwn", &len);
4366         if (val && len >= WWN_SIZE)
4367                 memcpy(nv->node_name, val, WWN_SIZE);
4368 #endif
4369 }
4370
4371 int
4372 qla24xx_nvram_config(scsi_qla_host_t *vha)
4373 {
4374         int   rval;
4375         struct init_cb_24xx *icb;
4376         struct nvram_24xx *nv;
4377         uint32_t *dptr;
4378         uint8_t  *dptr1, *dptr2;
4379         uint32_t chksum;
4380         uint16_t cnt;
4381         struct qla_hw_data *ha = vha->hw;
4382
4383         rval = QLA_SUCCESS;
4384         icb = (struct init_cb_24xx *)ha->init_cb;
4385         nv = ha->nvram;
4386
4387         /* Determine NVRAM starting address. */
4388         if (ha->flags.port0) {
4389                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4390                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4391         } else {
4392                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4393                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4394         }
4395         ha->nvram_size = sizeof(struct nvram_24xx);
4396         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4397         if (IS_QLA82XX(ha))
4398                 ha->vpd_size = FA_VPD_SIZE_82XX;
4399
4400         /* Get VPD data into cache */
4401         ha->vpd = ha->nvram + VPD_OFFSET;
4402         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4403             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4404
4405         /* Get NVRAM data into cache and calculate checksum. */
4406         dptr = (uint32_t *)nv;
4407         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4408             ha->nvram_size);
4409         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4410                 chksum += le32_to_cpu(*dptr++);
4411
4412         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
4413             "Contents of NVRAM\n");
4414         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
4415             (uint8_t *)nv, ha->nvram_size);
4416
4417         /* Bad NVRAM data, set defaults parameters. */
4418         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4419             || nv->id[3] != ' ' ||
4420             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4421                 /* Reset NVRAM data. */
4422                 ql_log(ql_log_warn, vha, 0x006b,
4423                     "Inconisistent NVRAM detected: checksum=0x%x id=%c "
4424                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
4425                 ql_log(ql_log_warn, vha, 0x006c,
4426                     "Falling back to functioning (yet invalid -- WWPN) "
4427                     "defaults.\n");
4428
4429                 /*
4430                  * Set default initialization control block.
4431                  */
4432                 memset(nv, 0, ha->nvram_size);
4433                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4434                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4435                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4436                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4437                 nv->exchange_count = __constant_cpu_to_le16(0);
4438                 nv->hard_address = __constant_cpu_to_le16(124);
4439                 nv->port_name[0] = 0x21;
4440                 nv->port_name[1] = 0x00 + ha->port_no;
4441                 nv->port_name[2] = 0x00;
4442                 nv->port_name[3] = 0xe0;
4443                 nv->port_name[4] = 0x8b;
4444                 nv->port_name[5] = 0x1c;
4445                 nv->port_name[6] = 0x55;
4446                 nv->port_name[7] = 0x86;
4447                 nv->node_name[0] = 0x20;
4448                 nv->node_name[1] = 0x00;
4449                 nv->node_name[2] = 0x00;
4450                 nv->node_name[3] = 0xe0;
4451                 nv->node_name[4] = 0x8b;
4452                 nv->node_name[5] = 0x1c;
4453                 nv->node_name[6] = 0x55;
4454                 nv->node_name[7] = 0x86;
4455                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4456                 nv->login_retry_count = __constant_cpu_to_le16(8);
4457                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4458                 nv->login_timeout = __constant_cpu_to_le16(0);
4459                 nv->firmware_options_1 =
4460                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4461                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4462                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4463                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4464                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4465                 nv->efi_parameters = __constant_cpu_to_le32(0);
4466                 nv->reset_delay = 5;
4467                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4468                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4469                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4470
4471                 rval = 1;
4472         }
4473
4474         /* Reset Initialization control block */
4475         memset(icb, 0, ha->init_cb_size);
4476
4477         /* Copy 1st segment. */
4478         dptr1 = (uint8_t *)icb;
4479         dptr2 = (uint8_t *)&nv->version;
4480         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4481         while (cnt--)
4482                 *dptr1++ = *dptr2++;
4483
4484         icb->login_retry_count = nv->login_retry_count;
4485         icb->link_down_on_nos = nv->link_down_on_nos;
4486
4487         /* Copy 2nd segment. */
4488         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4489         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4490         cnt = (uint8_t *)&icb->reserved_3 -
4491             (uint8_t *)&icb->interrupt_delay_timer;
4492         while (cnt--)
4493                 *dptr1++ = *dptr2++;
4494
4495         /*
4496          * Setup driver NVRAM options.
4497          */
4498         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4499             "QLA2462");
4500
4501         /* Use alternate WWN? */
4502         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4503                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4504                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4505         }
4506
4507         /* Prepare nodename */
4508         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4509                 /*
4510                  * Firmware will apply the following mask if the nodename was
4511                  * not provided.
4512                  */
4513                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4514                 icb->node_name[0] &= 0xF0;
4515         }
4516
4517         /* Set host adapter parameters. */
4518         ha->flags.disable_risc_code_load = 0;
4519         ha->flags.enable_lip_reset = 0;
4520         ha->flags.enable_lip_full_login =
4521             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4522         ha->flags.enable_target_reset =
4523             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4524         ha->flags.enable_led_scheme = 0;
4525         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4526
4527         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4528             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4529
4530         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4531             sizeof(ha->fw_seriallink_options24));
4532
4533         /* save HBA serial number */
4534         ha->serial0 = icb->port_name[5];
4535         ha->serial1 = icb->port_name[6];
4536         ha->serial2 = icb->port_name[7];
4537         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4538         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4539
4540         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4541
4542         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4543
4544         /* Set minimum login_timeout to 4 seconds. */
4545         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4546                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4547         if (le16_to_cpu(nv->login_timeout) < 4)
4548                 nv->login_timeout = __constant_cpu_to_le16(4);
4549         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4550         icb->login_timeout = nv->login_timeout;
4551
4552         /* Set minimum RATOV to 100 tenths of a second. */
4553         ha->r_a_tov = 100;
4554
4555         ha->loop_reset_delay = nv->reset_delay;
4556
4557         /* Link Down Timeout = 0:
4558          *
4559          *      When Port Down timer expires we will start returning
4560          *      I/O's to OS with "DID_NO_CONNECT".
4561          *
4562          * Link Down Timeout != 0:
4563          *
4564          *       The driver waits for the link to come up after link down
4565          *       before returning I/Os to OS with "DID_NO_CONNECT".
4566          */
4567         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4568                 ha->loop_down_abort_time =
4569                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4570         } else {
4571                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4572                 ha->loop_down_abort_time =
4573                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4574         }
4575
4576         /* Need enough time to try and get the port back. */
4577         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4578         if (qlport_down_retry)
4579                 ha->port_down_retry_count = qlport_down_retry;
4580
4581         /* Set login_retry_count */
4582         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4583         if (ha->port_down_retry_count ==
4584             le16_to_cpu(nv->port_down_retry_count) &&
4585             ha->port_down_retry_count > 3)
4586                 ha->login_retry_count = ha->port_down_retry_count;
4587         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4588                 ha->login_retry_count = ha->port_down_retry_count;
4589         if (ql2xloginretrycount)
4590                 ha->login_retry_count = ql2xloginretrycount;
4591
4592         /* Enable ZIO. */
4593         if (!vha->flags.init_done) {
4594                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4595                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4596                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4597                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4598         }
4599         icb->firmware_options_2 &= __constant_cpu_to_le32(
4600             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4601         vha->flags.process_response_queue = 0;
4602         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4603                 ha->zio_mode = QLA_ZIO_MODE_6;
4604
4605                 ql_log(ql_log_info, vha, 0x006f,
4606                     "ZIO mode %d enabled; timer delay (%d us).\n",
4607                     ha->zio_mode, ha->zio_timer * 100);
4608
4609                 icb->firmware_options_2 |= cpu_to_le32(
4610                     (uint32_t)ha->zio_mode);
4611                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4612                 vha->flags.process_response_queue = 1;
4613         }
4614
4615         if (rval) {
4616                 ql_log(ql_log_warn, vha, 0x0070,
4617                     "NVRAM configuration failed.\n");
4618         }
4619         return (rval);
4620 }
4621
4622 static int
4623 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4624     uint32_t faddr)
4625 {
4626         int     rval = QLA_SUCCESS;
4627         int     segments, fragment;
4628         uint32_t *dcode, dlen;
4629         uint32_t risc_addr;
4630         uint32_t risc_size;
4631         uint32_t i;
4632         struct qla_hw_data *ha = vha->hw;
4633         struct req_que *req = ha->req_q_map[0];
4634
4635         ql_dbg(ql_dbg_init, vha, 0x008b,
4636             "Loading firmware from flash (%x).\n", faddr);
4637
4638         rval = QLA_SUCCESS;
4639
4640         segments = FA_RISC_CODE_SEGMENTS;
4641         dcode = (uint32_t *)req->ring;
4642         *srisc_addr = 0;
4643
4644         /* Validate firmware image by checking version. */
4645         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4646         for (i = 0; i < 4; i++)
4647                 dcode[i] = be32_to_cpu(dcode[i]);
4648         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4649             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4650             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4651                 dcode[3] == 0)) {
4652                 ql_log(ql_log_fatal, vha, 0x008c,
4653                     "Unable to verify the integrity of flash firmware "
4654                     "image.\n");
4655                 ql_log(ql_log_fatal, vha, 0x008d,
4656                     "Firmware data: %08x %08x %08x %08x.\n",
4657                     dcode[0], dcode[1], dcode[2], dcode[3]);
4658
4659                 return QLA_FUNCTION_FAILED;
4660         }
4661
4662         while (segments && rval == QLA_SUCCESS) {
4663                 /* Read segment's load information. */
4664                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4665
4666                 risc_addr = be32_to_cpu(dcode[2]);
4667                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4668                 risc_size = be32_to_cpu(dcode[3]);
4669
4670                 fragment = 0;
4671                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4672                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4673                         if (dlen > risc_size)
4674                                 dlen = risc_size;
4675
4676                         ql_dbg(ql_dbg_init, vha, 0x008e,
4677                             "Loading risc segment@ risc addr %x "
4678                             "number of dwords 0x%x offset 0x%x.\n",
4679                             risc_addr, dlen, faddr);
4680
4681                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4682                         for (i = 0; i < dlen; i++)
4683                                 dcode[i] = swab32(dcode[i]);
4684
4685                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4686                             dlen);
4687                         if (rval) {
4688                                 ql_log(ql_log_fatal, vha, 0x008f,
4689                                     "Failed to load segment %d of firmware.\n",
4690                                     fragment);
4691                                 break;
4692                         }
4693
4694                         faddr += dlen;
4695                         risc_addr += dlen;
4696                         risc_size -= dlen;
4697                         fragment++;
4698                 }
4699
4700                 /* Next segment. */
4701                 segments--;
4702         }
4703
4704         return rval;
4705 }
4706
4707 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4708
4709 int
4710 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4711 {
4712         int     rval;
4713         int     i, fragment;
4714         uint16_t *wcode, *fwcode;
4715         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4716         struct fw_blob *blob;
4717         struct qla_hw_data *ha = vha->hw;
4718         struct req_que *req = ha->req_q_map[0];
4719
4720         /* Load firmware blob. */
4721         blob = qla2x00_request_firmware(vha);
4722         if (!blob) {
4723                 ql_log(ql_log_info, vha, 0x0083,
4724                     "Fimware image unavailable.\n");
4725                 ql_log(ql_log_info, vha, 0x0084,
4726                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
4727                 return QLA_FUNCTION_FAILED;
4728         }
4729
4730         rval = QLA_SUCCESS;
4731
4732         wcode = (uint16_t *)req->ring;
4733         *srisc_addr = 0;
4734         fwcode = (uint16_t *)blob->fw->data;
4735         fwclen = 0;
4736
4737         /* Validate firmware image by checking version. */
4738         if (blob->fw->size < 8 * sizeof(uint16_t)) {
4739                 ql_log(ql_log_fatal, vha, 0x0085,
4740                     "Unable to verify integrity of firmware image (%Zd).\n",
4741                     blob->fw->size);
4742                 goto fail_fw_integrity;
4743         }
4744         for (i = 0; i < 4; i++)
4745                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4746         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4747             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4748                 wcode[2] == 0 && wcode[3] == 0)) {
4749                 ql_log(ql_log_fatal, vha, 0x0086,
4750                     "Unable to verify integrity of firmware image.\n");
4751                 ql_log(ql_log_fatal, vha, 0x0087,
4752                     "Firmware data: %04x %04x %04x %04x.\n",
4753                     wcode[0], wcode[1], wcode[2], wcode[3]);
4754                 goto fail_fw_integrity;
4755         }
4756
4757         seg = blob->segs;
4758         while (*seg && rval == QLA_SUCCESS) {
4759                 risc_addr = *seg;
4760                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4761                 risc_size = be16_to_cpu(fwcode[3]);
4762
4763                 /* Validate firmware image size. */
4764                 fwclen += risc_size * sizeof(uint16_t);
4765                 if (blob->fw->size < fwclen) {
4766                         ql_log(ql_log_fatal, vha, 0x0088,
4767                             "Unable to verify integrity of firmware image "
4768                             "(%Zd).\n", blob->fw->size);
4769                         goto fail_fw_integrity;
4770                 }
4771
4772                 fragment = 0;
4773                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4774                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4775                         if (wlen > risc_size)
4776                                 wlen = risc_size;
4777                         ql_dbg(ql_dbg_init, vha, 0x0089,
4778                             "Loading risc segment@ risc addr %x number of "
4779                             "words 0x%x.\n", risc_addr, wlen);
4780
4781                         for (i = 0; i < wlen; i++)
4782                                 wcode[i] = swab16(fwcode[i]);
4783
4784                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4785                             wlen);
4786                         if (rval) {
4787                                 ql_log(ql_log_fatal, vha, 0x008a,
4788                                     "Failed to load segment %d of firmware.\n",
4789                                     fragment);
4790                                 break;
4791                         }
4792
4793                         fwcode += wlen;
4794                         risc_addr += wlen;
4795                         risc_size -= wlen;
4796                         fragment++;
4797                 }
4798
4799                 /* Next segment. */
4800                 seg++;
4801         }
4802         return rval;
4803
4804 fail_fw_integrity:
4805         return QLA_FUNCTION_FAILED;
4806 }
4807
4808 static int
4809 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4810 {
4811         int     rval;
4812         int     segments, fragment;
4813         uint32_t *dcode, dlen;
4814         uint32_t risc_addr;
4815         uint32_t risc_size;
4816         uint32_t i;
4817         struct fw_blob *blob;
4818         uint32_t *fwcode, fwclen;
4819         struct qla_hw_data *ha = vha->hw;
4820         struct req_que *req = ha->req_q_map[0];
4821
4822         /* Load firmware blob. */
4823         blob = qla2x00_request_firmware(vha);
4824         if (!blob) {
4825                 ql_log(ql_log_warn, vha, 0x0090,
4826                     "Fimware image unavailable.\n");
4827                 ql_log(ql_log_warn, vha, 0x0091,
4828                     "Firmware images can be retrieved from: "
4829                     QLA_FW_URL ".\n");
4830
4831                 return QLA_FUNCTION_FAILED;
4832         }
4833
4834         ql_log(ql_log_info, vha, 0x0092,
4835             "Loading via request-firmware.\n");
4836
4837         rval = QLA_SUCCESS;
4838
4839         segments = FA_RISC_CODE_SEGMENTS;
4840         dcode = (uint32_t *)req->ring;
4841         *srisc_addr = 0;
4842         fwcode = (uint32_t *)blob->fw->data;
4843         fwclen = 0;
4844
4845         /* Validate firmware image by checking version. */
4846         if (blob->fw->size < 8 * sizeof(uint32_t)) {
4847                 ql_log(ql_log_fatal, vha, 0x0093,
4848                     "Unable to verify integrity of firmware image (%Zd).\n",
4849                     blob->fw->size);
4850                 goto fail_fw_integrity;
4851         }
4852         for (i = 0; i < 4; i++)
4853                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4854         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4855             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4856             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4857                 dcode[3] == 0)) {
4858                 ql_log(ql_log_fatal, vha, 0x0094,
4859                     "Unable to verify integrity of firmware image (%Zd).\n",
4860                     blob->fw->size);
4861                 ql_log(ql_log_fatal, vha, 0x0095,
4862                     "Firmware data: %08x %08x %08x %08x.\n",
4863                     dcode[0], dcode[1], dcode[2], dcode[3]);
4864                 goto fail_fw_integrity;
4865         }
4866
4867         while (segments && rval == QLA_SUCCESS) {
4868                 risc_addr = be32_to_cpu(fwcode[2]);
4869                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4870                 risc_size = be32_to_cpu(fwcode[3]);
4871
4872                 /* Validate firmware image size. */
4873                 fwclen += risc_size * sizeof(uint32_t);
4874                 if (blob->fw->size < fwclen) {
4875                         ql_log(ql_log_fatal, vha, 0x0096,
4876                             "Unable to verify integrity of firmware image "
4877                             "(%Zd).\n", blob->fw->size);
4878
4879                         goto fail_fw_integrity;
4880                 }
4881
4882                 fragment = 0;
4883                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4884                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4885                         if (dlen > risc_size)
4886                                 dlen = risc_size;
4887
4888                         ql_dbg(ql_dbg_init, vha, 0x0097,
4889                             "Loading risc segment@ risc addr %x "
4890                             "number of dwords 0x%x.\n", risc_addr, dlen);
4891
4892                         for (i = 0; i < dlen; i++)
4893                                 dcode[i] = swab32(fwcode[i]);
4894
4895                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4896                             dlen);
4897                         if (rval) {
4898                                 ql_log(ql_log_fatal, vha, 0x0098,
4899                                     "Failed to load segment %d of firmware.\n",
4900                                     fragment);
4901                                 break;
4902                         }
4903
4904                         fwcode += dlen;
4905                         risc_addr += dlen;
4906                         risc_size -= dlen;
4907                         fragment++;
4908                 }
4909
4910                 /* Next segment. */
4911                 segments--;
4912         }
4913         return rval;
4914
4915 fail_fw_integrity:
4916         return QLA_FUNCTION_FAILED;
4917 }
4918
4919 int
4920 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4921 {
4922         int rval;
4923
4924         if (ql2xfwloadbin == 1)
4925                 return qla81xx_load_risc(vha, srisc_addr);
4926
4927         /*
4928          * FW Load priority:
4929          * 1) Firmware via request-firmware interface (.bin file).
4930          * 2) Firmware residing in flash.
4931          */
4932         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4933         if (rval == QLA_SUCCESS)
4934                 return rval;
4935
4936         return qla24xx_load_risc_flash(vha, srisc_addr,
4937             vha->hw->flt_region_fw);
4938 }
4939
4940 int
4941 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4942 {
4943         int rval;
4944         struct qla_hw_data *ha = vha->hw;
4945
4946         if (ql2xfwloadbin == 2)
4947                 goto try_blob_fw;
4948
4949         /*
4950          * FW Load priority:
4951          * 1) Firmware residing in flash.
4952          * 2) Firmware via request-firmware interface (.bin file).
4953          * 3) Golden-Firmware residing in flash -- limited operation.
4954          */
4955         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4956         if (rval == QLA_SUCCESS)
4957                 return rval;
4958
4959 try_blob_fw:
4960         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4961         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4962                 return rval;
4963
4964         ql_log(ql_log_info, vha, 0x0099,
4965             "Attempting to fallback to golden firmware.\n");
4966         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4967         if (rval != QLA_SUCCESS)
4968                 return rval;
4969
4970         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
4971         ha->flags.running_gold_fw = 1;
4972
4973         return rval;
4974 }
4975
4976 void
4977 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4978 {
4979         int ret, retries;
4980         struct qla_hw_data *ha = vha->hw;
4981
4982         if (ha->flags.pci_channel_io_perm_failure)
4983                 return;
4984         if (!IS_FWI2_CAPABLE(ha))
4985                 return;
4986         if (!ha->fw_major_version)
4987                 return;
4988
4989         ret = qla2x00_stop_firmware(vha);
4990         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4991             ret != QLA_INVALID_COMMAND && retries ; retries--) {
4992                 ha->isp_ops->reset_chip(vha);
4993                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4994                         continue;
4995                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4996                         continue;
4997                 ql_log(ql_log_info, vha, 0x8015,
4998                     "Attempting retry of stop-firmware command.\n");
4999                 ret = qla2x00_stop_firmware(vha);
5000         }
5001 }
5002
5003 int
5004 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5005 {
5006         int rval = QLA_SUCCESS;
5007         uint16_t mb[MAILBOX_REGISTER_COUNT];
5008         struct qla_hw_data *ha = vha->hw;
5009         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5010         struct req_que *req;
5011         struct rsp_que *rsp;
5012
5013         if (!vha->vp_idx)
5014                 return -EINVAL;
5015
5016         rval = qla2x00_fw_ready(base_vha);
5017         if (ha->flags.cpu_affinity_enabled)
5018                 req = ha->req_q_map[0];
5019         else
5020                 req = vha->req;
5021         rsp = req->rsp;
5022
5023         if (rval == QLA_SUCCESS) {
5024                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5025                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5026         }
5027
5028         vha->flags.management_server_logged_in = 0;
5029
5030         /* Login to SNS first */
5031         ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
5032         if (mb[0] != MBS_COMMAND_COMPLETE) {
5033                 ql_dbg(ql_dbg_init, vha, 0x0103,
5034                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
5035                     "mb[6]=%x mb[7]=%x.\n",
5036                     NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5037                 return (QLA_FUNCTION_FAILED);
5038         }
5039
5040         atomic_set(&vha->loop_down_timer, 0);
5041         atomic_set(&vha->loop_state, LOOP_UP);
5042         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5043         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5044         rval = qla2x00_loop_resync(base_vha);
5045
5046         return rval;
5047 }
5048
5049 /* 84XX Support **************************************************************/
5050
5051 static LIST_HEAD(qla_cs84xx_list);
5052 static DEFINE_MUTEX(qla_cs84xx_mutex);
5053
5054 static struct qla_chip_state_84xx *
5055 qla84xx_get_chip(struct scsi_qla_host *vha)
5056 {
5057         struct qla_chip_state_84xx *cs84xx;
5058         struct qla_hw_data *ha = vha->hw;
5059
5060         mutex_lock(&qla_cs84xx_mutex);
5061
5062         /* Find any shared 84xx chip. */
5063         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5064                 if (cs84xx->bus == ha->pdev->bus) {
5065                         kref_get(&cs84xx->kref);
5066                         goto done;
5067                 }
5068         }
5069
5070         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5071         if (!cs84xx)
5072                 goto done;
5073
5074         kref_init(&cs84xx->kref);
5075         spin_lock_init(&cs84xx->access_lock);
5076         mutex_init(&cs84xx->fw_update_mutex);
5077         cs84xx->bus = ha->pdev->bus;
5078
5079         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5080 done:
5081         mutex_unlock(&qla_cs84xx_mutex);
5082         return cs84xx;
5083 }
5084
5085 static void
5086 __qla84xx_chip_release(struct kref *kref)
5087 {
5088         struct qla_chip_state_84xx *cs84xx =
5089             container_of(kref, struct qla_chip_state_84xx, kref);
5090
5091         mutex_lock(&qla_cs84xx_mutex);
5092         list_del(&cs84xx->list);
5093         mutex_unlock(&qla_cs84xx_mutex);
5094         kfree(cs84xx);
5095 }
5096
5097 void
5098 qla84xx_put_chip(struct scsi_qla_host *vha)
5099 {
5100         struct qla_hw_data *ha = vha->hw;
5101         if (ha->cs84xx)
5102                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5103 }
5104
5105 static int
5106 qla84xx_init_chip(scsi_qla_host_t *vha)
5107 {
5108         int rval;
5109         uint16_t status[2];
5110         struct qla_hw_data *ha = vha->hw;
5111
5112         mutex_lock(&ha->cs84xx->fw_update_mutex);
5113
5114         rval = qla84xx_verify_chip(vha, status);
5115
5116         mutex_unlock(&ha->cs84xx->fw_update_mutex);
5117
5118         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5119             QLA_SUCCESS;
5120 }
5121
5122 /* 81XX Support **************************************************************/
5123
5124 int
5125 qla81xx_nvram_config(scsi_qla_host_t *vha)
5126 {
5127         int   rval;
5128         struct init_cb_81xx *icb;
5129         struct nvram_81xx *nv;
5130         uint32_t *dptr;
5131         uint8_t  *dptr1, *dptr2;
5132         uint32_t chksum;
5133         uint16_t cnt;
5134         struct qla_hw_data *ha = vha->hw;
5135
5136         rval = QLA_SUCCESS;
5137         icb = (struct init_cb_81xx *)ha->init_cb;
5138         nv = ha->nvram;
5139
5140         /* Determine NVRAM starting address. */
5141         ha->nvram_size = sizeof(struct nvram_81xx);
5142         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5143
5144         /* Get VPD data into cache */
5145         ha->vpd = ha->nvram + VPD_OFFSET;
5146         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5147             ha->vpd_size);
5148
5149         /* Get NVRAM data into cache and calculate checksum. */
5150         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5151             ha->nvram_size);
5152         dptr = (uint32_t *)nv;
5153         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5154                 chksum += le32_to_cpu(*dptr++);
5155
5156         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
5157             "Contents of NVRAM:\n");
5158         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
5159             (uint8_t *)nv, ha->nvram_size);
5160
5161         /* Bad NVRAM data, set defaults parameters. */
5162         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5163             || nv->id[3] != ' ' ||
5164             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5165                 /* Reset NVRAM data. */
5166                 ql_log(ql_log_info, vha, 0x0073,
5167                     "Inconisistent NVRAM detected: checksum=0x%x id=%c "
5168                     "version=0x%x.\n", chksum, nv->id[0],
5169                     le16_to_cpu(nv->nvram_version));
5170                 ql_log(ql_log_info, vha, 0x0074,
5171                     "Falling back to functioning (yet invalid -- WWPN) "
5172                     "defaults.\n");
5173
5174                 /*
5175                  * Set default initialization control block.
5176                  */
5177                 memset(nv, 0, ha->nvram_size);
5178                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5179                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5180                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5181                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5182                 nv->exchange_count = __constant_cpu_to_le16(0);
5183                 nv->port_name[0] = 0x21;
5184                 nv->port_name[1] = 0x00 + ha->port_no;
5185                 nv->port_name[2] = 0x00;
5186                 nv->port_name[3] = 0xe0;
5187                 nv->port_name[4] = 0x8b;
5188                 nv->port_name[5] = 0x1c;
5189                 nv->port_name[6] = 0x55;
5190                 nv->port_name[7] = 0x86;
5191                 nv->node_name[0] = 0x20;
5192                 nv->node_name[1] = 0x00;
5193                 nv->node_name[2] = 0x00;
5194                 nv->node_name[3] = 0xe0;
5195                 nv->node_name[4] = 0x8b;
5196                 nv->node_name[5] = 0x1c;
5197                 nv->node_name[6] = 0x55;
5198                 nv->node_name[7] = 0x86;
5199                 nv->login_retry_count = __constant_cpu_to_le16(8);
5200                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5201                 nv->login_timeout = __constant_cpu_to_le16(0);
5202                 nv->firmware_options_1 =
5203                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5204                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5205                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5206                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5207                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5208                 nv->efi_parameters = __constant_cpu_to_le32(0);
5209                 nv->reset_delay = 5;
5210                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5211                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5212                 nv->link_down_timeout = __constant_cpu_to_le16(30);
5213                 nv->enode_mac[0] = 0x00;
5214                 nv->enode_mac[1] = 0x02;
5215                 nv->enode_mac[2] = 0x03;
5216                 nv->enode_mac[3] = 0x04;
5217                 nv->enode_mac[4] = 0x05;
5218                 nv->enode_mac[5] = 0x06 + ha->port_no;
5219
5220                 rval = 1;
5221         }
5222
5223         /* Reset Initialization control block */
5224         memset(icb, 0, ha->init_cb_size);
5225
5226         /* Copy 1st segment. */
5227         dptr1 = (uint8_t *)icb;
5228         dptr2 = (uint8_t *)&nv->version;
5229         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5230         while (cnt--)
5231                 *dptr1++ = *dptr2++;
5232
5233         icb->login_retry_count = nv->login_retry_count;
5234
5235         /* Copy 2nd segment. */
5236         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5237         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5238         cnt = (uint8_t *)&icb->reserved_5 -
5239             (uint8_t *)&icb->interrupt_delay_timer;
5240         while (cnt--)
5241                 *dptr1++ = *dptr2++;
5242
5243         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5244         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5245         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5246                 icb->enode_mac[0] = 0x01;
5247                 icb->enode_mac[1] = 0x02;
5248                 icb->enode_mac[2] = 0x03;
5249                 icb->enode_mac[3] = 0x04;
5250                 icb->enode_mac[4] = 0x05;
5251                 icb->enode_mac[5] = 0x06 + ha->port_no;
5252         }
5253
5254         /* Use extended-initialization control block. */
5255         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5256
5257         /*
5258          * Setup driver NVRAM options.
5259          */
5260         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5261             "QLE8XXX");
5262
5263         /* Use alternate WWN? */
5264         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5265                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5266                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5267         }
5268
5269         /* Prepare nodename */
5270         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5271                 /*
5272                  * Firmware will apply the following mask if the nodename was
5273                  * not provided.
5274                  */
5275                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5276                 icb->node_name[0] &= 0xF0;
5277         }
5278
5279         /* Set host adapter parameters. */
5280         ha->flags.disable_risc_code_load = 0;
5281         ha->flags.enable_lip_reset = 0;
5282         ha->flags.enable_lip_full_login =
5283             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5284         ha->flags.enable_target_reset =
5285             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5286         ha->flags.enable_led_scheme = 0;
5287         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5288
5289         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5290             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5291
5292         /* save HBA serial number */
5293         ha->serial0 = icb->port_name[5];
5294         ha->serial1 = icb->port_name[6];
5295         ha->serial2 = icb->port_name[7];
5296         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5297         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5298
5299         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5300
5301         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5302
5303         /* Set minimum login_timeout to 4 seconds. */
5304         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5305                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5306         if (le16_to_cpu(nv->login_timeout) < 4)
5307                 nv->login_timeout = __constant_cpu_to_le16(4);
5308         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5309         icb->login_timeout = nv->login_timeout;
5310
5311         /* Set minimum RATOV to 100 tenths of a second. */
5312         ha->r_a_tov = 100;
5313
5314         ha->loop_reset_delay = nv->reset_delay;
5315
5316         /* Link Down Timeout = 0:
5317          *
5318          *      When Port Down timer expires we will start returning
5319          *      I/O's to OS with "DID_NO_CONNECT".
5320          *
5321          * Link Down Timeout != 0:
5322          *
5323          *       The driver waits for the link to come up after link down
5324          *       before returning I/Os to OS with "DID_NO_CONNECT".
5325          */
5326         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5327                 ha->loop_down_abort_time =
5328                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5329         } else {
5330                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5331                 ha->loop_down_abort_time =
5332                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5333         }
5334
5335         /* Need enough time to try and get the port back. */
5336         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5337         if (qlport_down_retry)
5338                 ha->port_down_retry_count = qlport_down_retry;
5339
5340         /* Set login_retry_count */
5341         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5342         if (ha->port_down_retry_count ==
5343             le16_to_cpu(nv->port_down_retry_count) &&
5344             ha->port_down_retry_count > 3)
5345                 ha->login_retry_count = ha->port_down_retry_count;
5346         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5347                 ha->login_retry_count = ha->port_down_retry_count;
5348         if (ql2xloginretrycount)
5349                 ha->login_retry_count = ql2xloginretrycount;
5350
5351         /* Enable ZIO. */
5352         if (!vha->flags.init_done) {
5353                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5354                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5355                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5356                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5357         }
5358         icb->firmware_options_2 &= __constant_cpu_to_le32(
5359             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5360         vha->flags.process_response_queue = 0;
5361         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5362                 ha->zio_mode = QLA_ZIO_MODE_6;
5363
5364                 ql_log(ql_log_info, vha, 0x0075,
5365                     "ZIO mode %d enabled; timer delay (%d us).\n",
5366                     ha->zio_mode,
5367                     ha->zio_timer * 100);
5368
5369                 icb->firmware_options_2 |= cpu_to_le32(
5370                     (uint32_t)ha->zio_mode);
5371                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5372                 vha->flags.process_response_queue = 1;
5373         }
5374
5375         if (rval) {
5376                 ql_log(ql_log_warn, vha, 0x0076,
5377                     "NVRAM configuration failed.\n");
5378         }
5379         return (rval);
5380 }
5381
5382 int
5383 qla82xx_restart_isp(scsi_qla_host_t *vha)
5384 {
5385         int status, rval;
5386         uint32_t wait_time;
5387         struct qla_hw_data *ha = vha->hw;
5388         struct req_que *req = ha->req_q_map[0];
5389         struct rsp_que *rsp = ha->rsp_q_map[0];
5390         struct scsi_qla_host *vp;
5391         unsigned long flags;
5392
5393         status = qla2x00_init_rings(vha);
5394         if (!status) {
5395                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5396                 ha->flags.chip_reset_done = 1;
5397
5398                 status = qla2x00_fw_ready(vha);
5399                 if (!status) {
5400                         ql_log(ql_log_info, vha, 0x803c,
5401                             "Start configure loop, status =%d.\n", status);
5402
5403                         /* Issue a marker after FW becomes ready. */
5404                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5405
5406                         vha->flags.online = 1;
5407                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5408                         wait_time = 256;
5409                         do {
5410                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5411                                 qla2x00_configure_loop(vha);
5412                                 wait_time--;
5413                         } while (!atomic_read(&vha->loop_down_timer) &&
5414                             !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5415                             wait_time &&
5416                             (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5417                 }
5418
5419                 /* if no cable then assume it's good */
5420                 if ((vha->device_flags & DFLG_NO_CABLE))
5421                         status = 0;
5422
5423                 ql_log(ql_log_info, vha, 0x803d,
5424                     "Configure loop done, status = 0x%x.\n", status);
5425         }
5426
5427         if (!status) {
5428                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5429
5430                 if (!atomic_read(&vha->loop_down_timer)) {
5431                         /*
5432                          * Issue marker command only when we are going
5433                          * to start the I/O .
5434                          */
5435                         vha->marker_needed = 1;
5436                 }
5437
5438                 vha->flags.online = 1;
5439
5440                 ha->isp_ops->enable_intrs(ha);
5441
5442                 ha->isp_abort_cnt = 0;
5443                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5444
5445                 /* Update the firmware version */
5446                 qla2x00_get_fw_version(vha, &ha->fw_major_version,
5447                     &ha->fw_minor_version, &ha->fw_subminor_version,
5448                     &ha->fw_attributes, &ha->fw_memory_size,
5449                     ha->mpi_version, &ha->mpi_capabilities,
5450                     ha->phy_version);
5451
5452                 if (ha->fce) {
5453                         ha->flags.fce_enabled = 1;
5454                         memset(ha->fce, 0,
5455                             fce_calc_size(ha->fce_bufs));
5456                         rval = qla2x00_enable_fce_trace(vha,
5457                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5458                             &ha->fce_bufs);
5459                         if (rval) {
5460                                 ql_log(ql_log_warn, vha, 0x803e,
5461                                     "Unable to reinitialize FCE (%d).\n",
5462                                     rval);
5463                                 ha->flags.fce_enabled = 0;
5464                         }
5465                 }
5466
5467                 if (ha->eft) {
5468                         memset(ha->eft, 0, EFT_SIZE);
5469                         rval = qla2x00_enable_eft_trace(vha,
5470                             ha->eft_dma, EFT_NUM_BUFFERS);
5471                         if (rval) {
5472                                 ql_log(ql_log_warn, vha, 0x803f,
5473                                     "Unable to reinitialize EFT (%d).\n",
5474                                     rval);
5475                         }
5476                 }
5477         }
5478
5479         if (!status) {
5480                 ql_dbg(ql_dbg_taskm, vha, 0x8040,
5481                     "qla82xx_restart_isp succeeded.\n");
5482
5483                 spin_lock_irqsave(&ha->vport_slock, flags);
5484                 list_for_each_entry(vp, &ha->vp_list, list) {
5485                         if (vp->vp_idx) {
5486                                 atomic_inc(&vp->vref_count);
5487                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5488
5489                                 qla2x00_vp_abort_isp(vp);
5490
5491                                 spin_lock_irqsave(&ha->vport_slock, flags);
5492                                 atomic_dec(&vp->vref_count);
5493                         }
5494                 }
5495                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5496
5497         } else {
5498                 ql_log(ql_log_warn, vha, 0x8041,
5499                     "qla82xx_restart_isp **** FAILED ****.\n");
5500         }
5501
5502         return status;
5503 }
5504
5505 void
5506 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5507 {
5508         struct qla_hw_data *ha = vha->hw;
5509
5510         if (!ql2xetsenable)
5511                 return;
5512
5513         /* Enable ETS Burst. */
5514         memset(ha->fw_options, 0, sizeof(ha->fw_options));
5515         ha->fw_options[2] |= BIT_9;
5516         qla2x00_set_fw_options(vha, ha->fw_options);
5517 }
5518
5519 /*
5520  * qla24xx_get_fcp_prio
5521  *      Gets the fcp cmd priority value for the logged in port.
5522  *      Looks for a match of the port descriptors within
5523  *      each of the fcp prio config entries. If a match is found,
5524  *      the tag (priority) value is returned.
5525  *
5526  * Input:
5527  *      vha = scsi host structure pointer.
5528  *      fcport = port structure pointer.
5529  *
5530  * Return:
5531  *      non-zero (if found)
5532  *      -1 (if not found)
5533  *
5534  * Context:
5535  *      Kernel context
5536  */
5537 static int
5538 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5539 {
5540         int i, entries;
5541         uint8_t pid_match, wwn_match;
5542         int priority;
5543         uint32_t pid1, pid2;
5544         uint64_t wwn1, wwn2;
5545         struct qla_fcp_prio_entry *pri_entry;
5546         struct qla_hw_data *ha = vha->hw;
5547
5548         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5549                 return -1;
5550
5551         priority = -1;
5552         entries = ha->fcp_prio_cfg->num_entries;
5553         pri_entry = &ha->fcp_prio_cfg->entry[0];
5554
5555         for (i = 0; i < entries; i++) {
5556                 pid_match = wwn_match = 0;
5557
5558                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5559                         pri_entry++;
5560                         continue;
5561                 }
5562
5563                 /* check source pid for a match */
5564                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5565                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5566                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5567                         if (pid1 == INVALID_PORT_ID)
5568                                 pid_match++;
5569                         else if (pid1 == pid2)
5570                                 pid_match++;
5571                 }
5572
5573                 /* check destination pid for a match */
5574                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5575                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5576                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5577                         if (pid1 == INVALID_PORT_ID)
5578                                 pid_match++;
5579                         else if (pid1 == pid2)
5580                                 pid_match++;
5581                 }
5582
5583                 /* check source WWN for a match */
5584                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5585                         wwn1 = wwn_to_u64(vha->port_name);
5586                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5587                         if (wwn2 == (uint64_t)-1)
5588                                 wwn_match++;
5589                         else if (wwn1 == wwn2)
5590                                 wwn_match++;
5591                 }
5592
5593                 /* check destination WWN for a match */
5594                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5595                         wwn1 = wwn_to_u64(fcport->port_name);
5596                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5597                         if (wwn2 == (uint64_t)-1)
5598                                 wwn_match++;
5599                         else if (wwn1 == wwn2)
5600                                 wwn_match++;
5601                 }
5602
5603                 if (pid_match == 2 || wwn_match == 2) {
5604                         /* Found a matching entry */
5605                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5606                                 priority = pri_entry->tag;
5607                         break;
5608                 }
5609
5610                 pri_entry++;
5611         }
5612
5613         return priority;
5614 }
5615
5616 /*
5617  * qla24xx_update_fcport_fcp_prio
5618  *      Activates fcp priority for the logged in fc port
5619  *
5620  * Input:
5621  *      vha = scsi host structure pointer.
5622  *      fcp = port structure pointer.
5623  *
5624  * Return:
5625  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5626  *
5627  * Context:
5628  *      Kernel context.
5629  */
5630 int
5631 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5632 {
5633         int ret;
5634         int priority;
5635         uint16_t mb[5];
5636
5637         if (fcport->port_type != FCT_TARGET ||
5638             fcport->loop_id == FC_NO_LOOP_ID)
5639                 return QLA_FUNCTION_FAILED;
5640
5641         priority = qla24xx_get_fcp_prio(vha, fcport);
5642         if (priority < 0)
5643                 return QLA_FUNCTION_FAILED;
5644
5645         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
5646         if (ret == QLA_SUCCESS)
5647                 fcport->fcp_prio = priority;
5648         else
5649                 ql_dbg(ql_dbg_user, vha, 0x704f,
5650                     "Unable to activate fcp priority, ret=0x%x.\n", ret);
5651
5652         return  ret;
5653 }
5654
5655 /*
5656  * qla24xx_update_all_fcp_prio
5657  *      Activates fcp priority for all the logged in ports
5658  *
5659  * Input:
5660  *      ha = adapter block pointer.
5661  *
5662  * Return:
5663  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5664  *
5665  * Context:
5666  *      Kernel context.
5667  */
5668 int
5669 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5670 {
5671         int ret;
5672         fc_port_t *fcport;
5673
5674         ret = QLA_FUNCTION_FAILED;
5675         /* We need to set priority for all logged in ports */
5676         list_for_each_entry(fcport, &vha->vp_fcports, list)
5677                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5678
5679         return ret;
5680 }