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                                 if (IS_QLA82XX(ha))
1484                                         qla82xx_check_md_needed(vha);
1485                                 else {
1486                                         rval = qla2x00_get_fw_version(vha,
1487                                             &ha->fw_major_version,
1488                                             &ha->fw_minor_version,
1489                                             &ha->fw_subminor_version,
1490                                             &ha->fw_attributes,
1491                                             &ha->fw_memory_size,
1492                                             ha->mpi_version,
1493                                             &ha->mpi_capabilities,
1494                                             ha->phy_version);
1495                                 }
1496                                 if (rval != QLA_SUCCESS)
1497                                         goto failed;
1498                                 ha->flags.npiv_supported = 0;
1499                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1500                                          (ha->fw_attributes & BIT_2)) {
1501                                         ha->flags.npiv_supported = 1;
1502                                         if ((!ha->max_npiv_vports) ||
1503                                             ((ha->max_npiv_vports + 1) %
1504                                             MIN_MULTI_ID_FABRIC))
1505                                                 ha->max_npiv_vports =
1506                                                     MIN_MULTI_ID_FABRIC - 1;
1507                                 }
1508                                 qla2x00_get_resource_cnts(vha, NULL,
1509                                     &ha->fw_xcb_count, NULL, NULL,
1510                                     &ha->max_npiv_vports, NULL);
1511
1512                                 if (!fw_major_version && ql2xallocfwdump)
1513                                         qla2x00_alloc_fw_dump(vha);
1514                         }
1515                 } else {
1516                         ql_log(ql_log_fatal, vha, 0x00cd,
1517                             "ISP Firmware failed checksum.\n");
1518                         goto failed;
1519                 }
1520         }
1521
1522         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1523                 /* Enable proper parity. */
1524                 spin_lock_irqsave(&ha->hardware_lock, flags);
1525                 if (IS_QLA2300(ha))
1526                         /* SRAM parity */
1527                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1528                 else
1529                         /* SRAM, Instruction RAM and GP RAM parity */
1530                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1531                 RD_REG_WORD(&reg->hccr);
1532                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1533         }
1534
1535         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1536                 uint32_t size;
1537
1538                 rval = qla81xx_fac_get_sector_size(vha, &size);
1539                 if (rval == QLA_SUCCESS) {
1540                         ha->flags.fac_supported = 1;
1541                         ha->fdt_block_size = size << 2;
1542                 } else {
1543                         ql_log(ql_log_warn, vha, 0x00ce,
1544                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1545                             ha->fw_major_version, ha->fw_minor_version,
1546                             ha->fw_subminor_version);
1547                 }
1548         }
1549 failed:
1550         if (rval) {
1551                 ql_log(ql_log_fatal, vha, 0x00cf,
1552                     "Setup chip ****FAILED****.\n");
1553         }
1554
1555         return (rval);
1556 }
1557
1558 /**
1559  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1560  * @ha: HA context
1561  *
1562  * Beginning of request ring has initialization control block already built
1563  * by nvram config routine.
1564  *
1565  * Returns 0 on success.
1566  */
1567 void
1568 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1569 {
1570         uint16_t cnt;
1571         response_t *pkt;
1572
1573         rsp->ring_ptr = rsp->ring;
1574         rsp->ring_index    = 0;
1575         rsp->status_srb = NULL;
1576         pkt = rsp->ring_ptr;
1577         for (cnt = 0; cnt < rsp->length; cnt++) {
1578                 pkt->signature = RESPONSE_PROCESSED;
1579                 pkt++;
1580         }
1581 }
1582
1583 /**
1584  * qla2x00_update_fw_options() - Read and process firmware options.
1585  * @ha: HA context
1586  *
1587  * Returns 0 on success.
1588  */
1589 void
1590 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1591 {
1592         uint16_t swing, emphasis, tx_sens, rx_sens;
1593         struct qla_hw_data *ha = vha->hw;
1594
1595         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1596         qla2x00_get_fw_options(vha, ha->fw_options);
1597
1598         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1599                 return;
1600
1601         /* Serial Link options. */
1602         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1603             "Serial link options.\n");
1604         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1605             (uint8_t *)&ha->fw_seriallink_options,
1606             sizeof(ha->fw_seriallink_options));
1607
1608         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1609         if (ha->fw_seriallink_options[3] & BIT_2) {
1610                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1611
1612                 /*  1G settings */
1613                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1614                 emphasis = (ha->fw_seriallink_options[2] &
1615                     (BIT_4 | BIT_3)) >> 3;
1616                 tx_sens = ha->fw_seriallink_options[0] &
1617                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1618                 rx_sens = (ha->fw_seriallink_options[0] &
1619                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1620                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1621                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1622                         if (rx_sens == 0x0)
1623                                 rx_sens = 0x3;
1624                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1625                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1626                         ha->fw_options[10] |= BIT_5 |
1627                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1628                             (tx_sens & (BIT_1 | BIT_0));
1629
1630                 /*  2G settings */
1631                 swing = (ha->fw_seriallink_options[2] &
1632                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1633                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1634                 tx_sens = ha->fw_seriallink_options[1] &
1635                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1636                 rx_sens = (ha->fw_seriallink_options[1] &
1637                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1638                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1639                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1640                         if (rx_sens == 0x0)
1641                                 rx_sens = 0x3;
1642                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1643                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1644                         ha->fw_options[11] |= BIT_5 |
1645                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1646                             (tx_sens & (BIT_1 | BIT_0));
1647         }
1648
1649         /* FCP2 options. */
1650         /*  Return command IOCBs without waiting for an ABTS to complete. */
1651         ha->fw_options[3] |= BIT_13;
1652
1653         /* LED scheme. */
1654         if (ha->flags.enable_led_scheme)
1655                 ha->fw_options[2] |= BIT_12;
1656
1657         /* Detect ISP6312. */
1658         if (IS_QLA6312(ha))
1659                 ha->fw_options[2] |= BIT_13;
1660
1661         /* Update firmware options. */
1662         qla2x00_set_fw_options(vha, ha->fw_options);
1663 }
1664
1665 void
1666 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1667 {
1668         int rval;
1669         struct qla_hw_data *ha = vha->hw;
1670
1671         if (IS_QLA82XX(ha))
1672                 return;
1673
1674         /* Update Serial Link options. */
1675         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1676                 return;
1677
1678         rval = qla2x00_set_serdes_params(vha,
1679             le16_to_cpu(ha->fw_seriallink_options24[1]),
1680             le16_to_cpu(ha->fw_seriallink_options24[2]),
1681             le16_to_cpu(ha->fw_seriallink_options24[3]));
1682         if (rval != QLA_SUCCESS) {
1683                 ql_log(ql_log_warn, vha, 0x0104,
1684                     "Unable to update Serial Link options (%x).\n", rval);
1685         }
1686 }
1687
1688 void
1689 qla2x00_config_rings(struct scsi_qla_host *vha)
1690 {
1691         struct qla_hw_data *ha = vha->hw;
1692         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1693         struct req_que *req = ha->req_q_map[0];
1694         struct rsp_que *rsp = ha->rsp_q_map[0];
1695
1696         /* Setup ring parameters in initialization control block. */
1697         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1698         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1699         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1700         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1701         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1702         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1703         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1704         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1705
1706         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1707         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1708         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1709         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1710         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1711 }
1712
1713 void
1714 qla24xx_config_rings(struct scsi_qla_host *vha)
1715 {
1716         struct qla_hw_data *ha = vha->hw;
1717         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1718         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1719         struct qla_msix_entry *msix;
1720         struct init_cb_24xx *icb;
1721         uint16_t rid = 0;
1722         struct req_que *req = ha->req_q_map[0];
1723         struct rsp_que *rsp = ha->rsp_q_map[0];
1724
1725 /* Setup ring parameters in initialization control block. */
1726         icb = (struct init_cb_24xx *)ha->init_cb;
1727         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1728         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1729         icb->request_q_length = cpu_to_le16(req->length);
1730         icb->response_q_length = cpu_to_le16(rsp->length);
1731         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1732         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1733         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1734         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1735
1736         if (ha->mqenable) {
1737                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1738                 icb->rid = __constant_cpu_to_le16(rid);
1739                 if (ha->flags.msix_enabled) {
1740                         msix = &ha->msix_entries[1];
1741                         ql_dbg(ql_dbg_init, vha, 0x00fd,
1742                             "Registering vector 0x%x for base que.\n",
1743                             msix->entry);
1744                         icb->msix = cpu_to_le16(msix->entry);
1745                 }
1746                 /* Use alternate PCI bus number */
1747                 if (MSB(rid))
1748                         icb->firmware_options_2 |=
1749                                 __constant_cpu_to_le32(BIT_19);
1750                 /* Use alternate PCI devfn */
1751                 if (LSB(rid))
1752                         icb->firmware_options_2 |=
1753                                 __constant_cpu_to_le32(BIT_18);
1754
1755                 /* Use Disable MSIX Handshake mode for capable adapters */
1756                 if (IS_MSIX_NACK_CAPABLE(ha)) {
1757                         icb->firmware_options_2 &=
1758                                 __constant_cpu_to_le32(~BIT_22);
1759                         ha->flags.disable_msix_handshake = 1;
1760                         ql_dbg(ql_dbg_init, vha, 0x00fe,
1761                             "MSIX Handshake Disable Mode turned on.\n");
1762                 } else {
1763                         icb->firmware_options_2 |=
1764                                 __constant_cpu_to_le32(BIT_22);
1765                 }
1766                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1767
1768                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1769                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1770                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1771                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1772         } else {
1773                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1774                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1775                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1776                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1777         }
1778         /* PCI posting */
1779         RD_REG_DWORD(&ioreg->hccr);
1780 }
1781
1782 /**
1783  * qla2x00_init_rings() - Initializes firmware.
1784  * @ha: HA context
1785  *
1786  * Beginning of request ring has initialization control block already built
1787  * by nvram config routine.
1788  *
1789  * Returns 0 on success.
1790  */
1791 static int
1792 qla2x00_init_rings(scsi_qla_host_t *vha)
1793 {
1794         int     rval;
1795         unsigned long flags = 0;
1796         int cnt, que;
1797         struct qla_hw_data *ha = vha->hw;
1798         struct req_que *req;
1799         struct rsp_que *rsp;
1800         struct scsi_qla_host *vp;
1801         struct mid_init_cb_24xx *mid_init_cb =
1802             (struct mid_init_cb_24xx *) ha->init_cb;
1803
1804         spin_lock_irqsave(&ha->hardware_lock, flags);
1805
1806         /* Clear outstanding commands array. */
1807         for (que = 0; que < ha->max_req_queues; que++) {
1808                 req = ha->req_q_map[que];
1809                 if (!req)
1810                         continue;
1811                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1812                         req->outstanding_cmds[cnt] = NULL;
1813
1814                 req->current_outstanding_cmd = 1;
1815
1816                 /* Initialize firmware. */
1817                 req->ring_ptr  = req->ring;
1818                 req->ring_index    = 0;
1819                 req->cnt      = req->length;
1820         }
1821
1822         for (que = 0; que < ha->max_rsp_queues; que++) {
1823                 rsp = ha->rsp_q_map[que];
1824                 if (!rsp)
1825                         continue;
1826                 /* Initialize response queue entries */
1827                 qla2x00_init_response_q_entries(rsp);
1828         }
1829
1830         spin_lock(&ha->vport_slock);
1831         /* Clear RSCN queue. */
1832         list_for_each_entry(vp, &ha->vp_list, list) {
1833                 vp->rscn_in_ptr = 0;
1834                 vp->rscn_out_ptr = 0;
1835         }
1836
1837         spin_unlock(&ha->vport_slock);
1838
1839         ha->isp_ops->config_rings(vha);
1840
1841         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1842
1843         /* Update any ISP specific firmware options before initialization. */
1844         ha->isp_ops->update_fw_options(vha);
1845
1846         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
1847
1848         if (ha->flags.npiv_supported) {
1849                 if (ha->operating_mode == LOOP)
1850                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1851                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1852         }
1853
1854         if (IS_FWI2_CAPABLE(ha)) {
1855                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1856                 mid_init_cb->init_cb.execution_throttle =
1857                     cpu_to_le16(ha->fw_xcb_count);
1858         }
1859
1860         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1861         if (rval) {
1862                 ql_log(ql_log_fatal, vha, 0x00d2,
1863                     "Init Firmware **** FAILED ****.\n");
1864         } else {
1865                 ql_dbg(ql_dbg_init, vha, 0x00d3,
1866                     "Init Firmware -- success.\n");
1867         }
1868
1869         return (rval);
1870 }
1871
1872 /**
1873  * qla2x00_fw_ready() - Waits for firmware ready.
1874  * @ha: HA context
1875  *
1876  * Returns 0 on success.
1877  */
1878 static int
1879 qla2x00_fw_ready(scsi_qla_host_t *vha)
1880 {
1881         int             rval;
1882         unsigned long   wtime, mtime, cs84xx_time;
1883         uint16_t        min_wait;       /* Minimum wait time if loop is down */
1884         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1885         uint16_t        state[5];
1886         struct qla_hw_data *ha = vha->hw;
1887
1888         rval = QLA_SUCCESS;
1889
1890         /* 20 seconds for loop down. */
1891         min_wait = 20;
1892
1893         /*
1894          * Firmware should take at most one RATOV to login, plus 5 seconds for
1895          * our own processing.
1896          */
1897         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1898                 wait_time = min_wait;
1899         }
1900
1901         /* Min wait time if loop down */
1902         mtime = jiffies + (min_wait * HZ);
1903
1904         /* wait time before firmware ready */
1905         wtime = jiffies + (wait_time * HZ);
1906
1907         /* Wait for ISP to finish LIP */
1908         if (!vha->flags.init_done)
1909                 ql_log(ql_log_info, vha, 0x801e,
1910                     "Waiting for LIP to complete.\n");
1911
1912         do {
1913                 rval = qla2x00_get_firmware_state(vha, state);
1914                 if (rval == QLA_SUCCESS) {
1915                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
1916                                 vha->device_flags &= ~DFLG_NO_CABLE;
1917                         }
1918                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1919                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
1920                                     "fw_state=%x 84xx=%x.\n", state[0],
1921                                     state[2]);
1922                                 if ((state[2] & FSTATE_LOGGED_IN) &&
1923                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1924                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
1925                                             "Sending verify iocb.\n");
1926
1927                                         cs84xx_time = jiffies;
1928                                         rval = qla84xx_init_chip(vha);
1929                                         if (rval != QLA_SUCCESS) {
1930                                                 ql_log(ql_log_warn,
1931                                                     vha, 0x8026,
1932                                                     "Init chip failed.\n");
1933                                                 break;
1934                                         }
1935
1936                                         /* Add time taken to initialize. */
1937                                         cs84xx_time = jiffies - cs84xx_time;
1938                                         wtime += cs84xx_time;
1939                                         mtime += cs84xx_time;
1940                                         ql_dbg(ql_dbg_taskm, vha, 0x8025,
1941                                             "Increasing wait time by %ld. "
1942                                             "New time %ld.\n", cs84xx_time,
1943                                             wtime);
1944                                 }
1945                         } else if (state[0] == FSTATE_READY) {
1946                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
1947                                     "F/W Ready - OK.\n");
1948
1949                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1950                                     &ha->login_timeout, &ha->r_a_tov);
1951
1952                                 rval = QLA_SUCCESS;
1953                                 break;
1954                         }
1955
1956                         rval = QLA_FUNCTION_FAILED;
1957
1958                         if (atomic_read(&vha->loop_down_timer) &&
1959                             state[0] != FSTATE_READY) {
1960                                 /* Loop down. Timeout on min_wait for states
1961                                  * other than Wait for Login.
1962                                  */
1963                                 if (time_after_eq(jiffies, mtime)) {
1964                                         ql_log(ql_log_info, vha, 0x8038,
1965                                             "Cable is unplugged...\n");
1966
1967                                         vha->device_flags |= DFLG_NO_CABLE;
1968                                         break;
1969                                 }
1970                         }
1971                 } else {
1972                         /* Mailbox cmd failed. Timeout on min_wait. */
1973                         if (time_after_eq(jiffies, mtime) ||
1974                                 ha->flags.isp82xx_fw_hung)
1975                                 break;
1976                 }
1977
1978                 if (time_after_eq(jiffies, wtime))
1979                         break;
1980
1981                 /* Delay for a while */
1982                 msleep(500);
1983
1984                 ql_dbg(ql_dbg_taskm, vha, 0x8039,
1985                     "fw_state=%x curr time=%lx.\n", state[0], jiffies);
1986         } while (1);
1987
1988         ql_dbg(ql_dbg_taskm, vha, 0x803a,
1989             "fw_state=%x (%x, %x, %x, %x) " "curr time=%lx.\n", state[0],
1990             state[1], state[2], state[3], state[4], jiffies);
1991
1992         if (rval) {
1993                 ql_log(ql_log_warn, vha, 0x803b,
1994                     "Firmware ready **** FAILED ****.\n");
1995         }
1996
1997         return (rval);
1998 }
1999
2000 /*
2001 *  qla2x00_configure_hba
2002 *      Setup adapter context.
2003 *
2004 * Input:
2005 *      ha = adapter state pointer.
2006 *
2007 * Returns:
2008 *      0 = success
2009 *
2010 * Context:
2011 *      Kernel context.
2012 */
2013 static int
2014 qla2x00_configure_hba(scsi_qla_host_t *vha)
2015 {
2016         int       rval;
2017         uint16_t      loop_id;
2018         uint16_t      topo;
2019         uint16_t      sw_cap;
2020         uint8_t       al_pa;
2021         uint8_t       area;
2022         uint8_t       domain;
2023         char            connect_type[22];
2024         struct qla_hw_data *ha = vha->hw;
2025
2026         /* Get host addresses. */
2027         rval = qla2x00_get_adapter_id(vha,
2028             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2029         if (rval != QLA_SUCCESS) {
2030                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2031                     IS_QLA8XXX_TYPE(ha) ||
2032                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2033                         ql_dbg(ql_dbg_disc, vha, 0x2008,
2034                             "Loop is in a transition state.\n");
2035                 } else {
2036                         ql_log(ql_log_warn, vha, 0x2009,
2037                             "Unable to get host loop ID.\n");
2038                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2039                 }
2040                 return (rval);
2041         }
2042
2043         if (topo == 4) {
2044                 ql_log(ql_log_info, vha, 0x200a,
2045                     "Cannot get topology - retrying.\n");
2046                 return (QLA_FUNCTION_FAILED);
2047         }
2048
2049         vha->loop_id = loop_id;
2050
2051         /* initialize */
2052         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2053         ha->operating_mode = LOOP;
2054         ha->switch_cap = 0;
2055
2056         switch (topo) {
2057         case 0:
2058                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2059                 ha->current_topology = ISP_CFG_NL;
2060                 strcpy(connect_type, "(Loop)");
2061                 break;
2062
2063         case 1:
2064                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2065                 ha->switch_cap = sw_cap;
2066                 ha->current_topology = ISP_CFG_FL;
2067                 strcpy(connect_type, "(FL_Port)");
2068                 break;
2069
2070         case 2:
2071                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2072                 ha->operating_mode = P2P;
2073                 ha->current_topology = ISP_CFG_N;
2074                 strcpy(connect_type, "(N_Port-to-N_Port)");
2075                 break;
2076
2077         case 3:
2078                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2079                 ha->switch_cap = sw_cap;
2080                 ha->operating_mode = P2P;
2081                 ha->current_topology = ISP_CFG_F;
2082                 strcpy(connect_type, "(F_Port)");
2083                 break;
2084
2085         default:
2086                 ql_dbg(ql_dbg_disc, vha, 0x200f,
2087                     "HBA in unknown topology %x, using NL.\n", topo);
2088                 ha->current_topology = ISP_CFG_NL;
2089                 strcpy(connect_type, "(Loop)");
2090                 break;
2091         }
2092
2093         /* Save Host port and loop ID. */
2094         /* byte order - Big Endian */
2095         vha->d_id.b.domain = domain;
2096         vha->d_id.b.area = area;
2097         vha->d_id.b.al_pa = al_pa;
2098
2099         if (!vha->flags.init_done)
2100                 ql_log(ql_log_info, vha, 0x2010,
2101                     "Topology - %s, Host Loop address 0x%x.\n",
2102                     connect_type, vha->loop_id);
2103
2104         if (rval) {
2105                 ql_log(ql_log_warn, vha, 0x2011,
2106                     "%s FAILED\n", __func__);
2107         } else {
2108                 ql_dbg(ql_dbg_disc, vha, 0x2012,
2109                     "%s success\n", __func__);
2110         }
2111
2112         return(rval);
2113 }
2114
2115 inline void
2116 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2117         char *def)
2118 {
2119         char *st, *en;
2120         uint16_t index;
2121         struct qla_hw_data *ha = vha->hw;
2122         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2123             !IS_QLA8XXX_TYPE(ha);
2124
2125         if (memcmp(model, BINZERO, len) != 0) {
2126                 strncpy(ha->model_number, model, len);
2127                 st = en = ha->model_number;
2128                 en += len - 1;
2129                 while (en > st) {
2130                         if (*en != 0x20 && *en != 0x00)
2131                                 break;
2132                         *en-- = '\0';
2133                 }
2134
2135                 index = (ha->pdev->subsystem_device & 0xff);
2136                 if (use_tbl &&
2137                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2138                     index < QLA_MODEL_NAMES)
2139                         strncpy(ha->model_desc,
2140                             qla2x00_model_name[index * 2 + 1],
2141                             sizeof(ha->model_desc) - 1);
2142         } else {
2143                 index = (ha->pdev->subsystem_device & 0xff);
2144                 if (use_tbl &&
2145                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2146                     index < QLA_MODEL_NAMES) {
2147                         strcpy(ha->model_number,
2148                             qla2x00_model_name[index * 2]);
2149                         strncpy(ha->model_desc,
2150                             qla2x00_model_name[index * 2 + 1],
2151                             sizeof(ha->model_desc) - 1);
2152                 } else {
2153                         strcpy(ha->model_number, def);
2154                 }
2155         }
2156         if (IS_FWI2_CAPABLE(ha))
2157                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2158                     sizeof(ha->model_desc));
2159 }
2160
2161 /* On sparc systems, obtain port and node WWN from firmware
2162  * properties.
2163  */
2164 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2165 {
2166 #ifdef CONFIG_SPARC
2167         struct qla_hw_data *ha = vha->hw;
2168         struct pci_dev *pdev = ha->pdev;
2169         struct device_node *dp = pci_device_to_OF_node(pdev);
2170         const u8 *val;
2171         int len;
2172
2173         val = of_get_property(dp, "port-wwn", &len);
2174         if (val && len >= WWN_SIZE)
2175                 memcpy(nv->port_name, val, WWN_SIZE);
2176
2177         val = of_get_property(dp, "node-wwn", &len);
2178         if (val && len >= WWN_SIZE)
2179                 memcpy(nv->node_name, val, WWN_SIZE);
2180 #endif
2181 }
2182
2183 /*
2184 * NVRAM configuration for ISP 2xxx
2185 *
2186 * Input:
2187 *      ha                = adapter block pointer.
2188 *
2189 * Output:
2190 *      initialization control block in response_ring
2191 *      host adapters parameters in host adapter block
2192 *
2193 * Returns:
2194 *      0 = success.
2195 */
2196 int
2197 qla2x00_nvram_config(scsi_qla_host_t *vha)
2198 {
2199         int             rval;
2200         uint8_t         chksum = 0;
2201         uint16_t        cnt;
2202         uint8_t         *dptr1, *dptr2;
2203         struct qla_hw_data *ha = vha->hw;
2204         init_cb_t       *icb = ha->init_cb;
2205         nvram_t         *nv = ha->nvram;
2206         uint8_t         *ptr = ha->nvram;
2207         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2208
2209         rval = QLA_SUCCESS;
2210
2211         /* Determine NVRAM starting address. */
2212         ha->nvram_size = sizeof(nvram_t);
2213         ha->nvram_base = 0;
2214         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2215                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2216                         ha->nvram_base = 0x80;
2217
2218         /* Get NVRAM data and calculate checksum. */
2219         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2220         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2221                 chksum += *ptr++;
2222
2223         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2224             "Contents of NVRAM.\n");
2225         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2226             (uint8_t *)nv, ha->nvram_size);
2227
2228         /* Bad NVRAM data, set defaults parameters. */
2229         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2230             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2231                 /* Reset NVRAM data. */
2232                 ql_log(ql_log_warn, vha, 0x0064,
2233                     "Inconisistent NVRAM "
2234                     "detected: checksum=0x%x id=%c version=0x%x.\n",
2235                     chksum, nv->id[0], nv->nvram_version);
2236                 ql_log(ql_log_warn, vha, 0x0065,
2237                     "Falling back to "
2238                     "functioning (yet invalid -- WWPN) defaults.\n");
2239
2240                 /*
2241                  * Set default initialization control block.
2242                  */
2243                 memset(nv, 0, ha->nvram_size);
2244                 nv->parameter_block_version = ICB_VERSION;
2245
2246                 if (IS_QLA23XX(ha)) {
2247                         nv->firmware_options[0] = BIT_2 | BIT_1;
2248                         nv->firmware_options[1] = BIT_7 | BIT_5;
2249                         nv->add_firmware_options[0] = BIT_5;
2250                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2251                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
2252                         nv->special_options[1] = BIT_7;
2253                 } else if (IS_QLA2200(ha)) {
2254                         nv->firmware_options[0] = BIT_2 | BIT_1;
2255                         nv->firmware_options[1] = BIT_7 | BIT_5;
2256                         nv->add_firmware_options[0] = BIT_5;
2257                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2258                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2259                 } else if (IS_QLA2100(ha)) {
2260                         nv->firmware_options[0] = BIT_3 | BIT_1;
2261                         nv->firmware_options[1] = BIT_5;
2262                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2263                 }
2264
2265                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2266                 nv->execution_throttle = __constant_cpu_to_le16(16);
2267                 nv->retry_count = 8;
2268                 nv->retry_delay = 1;
2269
2270                 nv->port_name[0] = 33;
2271                 nv->port_name[3] = 224;
2272                 nv->port_name[4] = 139;
2273
2274                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2275
2276                 nv->login_timeout = 4;
2277
2278                 /*
2279                  * Set default host adapter parameters
2280                  */
2281                 nv->host_p[1] = BIT_2;
2282                 nv->reset_delay = 5;
2283                 nv->port_down_retry_count = 8;
2284                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2285                 nv->link_down_timeout = 60;
2286
2287                 rval = 1;
2288         }
2289
2290 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2291         /*
2292          * The SN2 does not provide BIOS emulation which means you can't change
2293          * potentially bogus BIOS settings. Force the use of default settings
2294          * for link rate and frame size.  Hope that the rest of the settings
2295          * are valid.
2296          */
2297         if (ia64_platform_is("sn2")) {
2298                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2299                 if (IS_QLA23XX(ha))
2300                         nv->special_options[1] = BIT_7;
2301         }
2302 #endif
2303
2304         /* Reset Initialization control block */
2305         memset(icb, 0, ha->init_cb_size);
2306
2307         /*
2308          * Setup driver NVRAM options.
2309          */
2310         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2311         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2312         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2313         nv->firmware_options[1] &= ~BIT_4;
2314
2315         if (IS_QLA23XX(ha)) {
2316                 nv->firmware_options[0] |= BIT_2;
2317                 nv->firmware_options[0] &= ~BIT_3;
2318                 nv->firmware_options[0] &= ~BIT_6;
2319                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2320
2321                 if (IS_QLA2300(ha)) {
2322                         if (ha->fb_rev == FPM_2310) {
2323                                 strcpy(ha->model_number, "QLA2310");
2324                         } else {
2325                                 strcpy(ha->model_number, "QLA2300");
2326                         }
2327                 } else {
2328                         qla2x00_set_model_info(vha, nv->model_number,
2329                             sizeof(nv->model_number), "QLA23xx");
2330                 }
2331         } else if (IS_QLA2200(ha)) {
2332                 nv->firmware_options[0] |= BIT_2;
2333                 /*
2334                  * 'Point-to-point preferred, else loop' is not a safe
2335                  * connection mode setting.
2336                  */
2337                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2338                     (BIT_5 | BIT_4)) {
2339                         /* Force 'loop preferred, else point-to-point'. */
2340                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2341                         nv->add_firmware_options[0] |= BIT_5;
2342                 }
2343                 strcpy(ha->model_number, "QLA22xx");
2344         } else /*if (IS_QLA2100(ha))*/ {
2345                 strcpy(ha->model_number, "QLA2100");
2346         }
2347
2348         /*
2349          * Copy over NVRAM RISC parameter block to initialization control block.
2350          */
2351         dptr1 = (uint8_t *)icb;
2352         dptr2 = (uint8_t *)&nv->parameter_block_version;
2353         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2354         while (cnt--)
2355                 *dptr1++ = *dptr2++;
2356
2357         /* Copy 2nd half. */
2358         dptr1 = (uint8_t *)icb->add_firmware_options;
2359         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2360         while (cnt--)
2361                 *dptr1++ = *dptr2++;
2362
2363         /* Use alternate WWN? */
2364         if (nv->host_p[1] & BIT_7) {
2365                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2366                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2367         }
2368
2369         /* Prepare nodename */
2370         if ((icb->firmware_options[1] & BIT_6) == 0) {
2371                 /*
2372                  * Firmware will apply the following mask if the nodename was
2373                  * not provided.
2374                  */
2375                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2376                 icb->node_name[0] &= 0xF0;
2377         }
2378
2379         /*
2380          * Set host adapter parameters.
2381          */
2382
2383         /*
2384          * BIT_7 in the host-parameters section allows for modification to
2385          * internal driver logging.
2386          */
2387         if (nv->host_p[0] & BIT_7)
2388                 ql2xextended_error_logging = 0x7fffffff;
2389         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2390         /* Always load RISC code on non ISP2[12]00 chips. */
2391         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2392                 ha->flags.disable_risc_code_load = 0;
2393         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2394         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2395         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2396         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2397         ha->flags.disable_serdes = 0;
2398
2399         ha->operating_mode =
2400             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2401
2402         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2403             sizeof(ha->fw_seriallink_options));
2404
2405         /* save HBA serial number */
2406         ha->serial0 = icb->port_name[5];
2407         ha->serial1 = icb->port_name[6];
2408         ha->serial2 = icb->port_name[7];
2409         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2410         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2411
2412         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2413
2414         ha->retry_count = nv->retry_count;
2415
2416         /* Set minimum login_timeout to 4 seconds. */
2417         if (nv->login_timeout != ql2xlogintimeout)
2418                 nv->login_timeout = ql2xlogintimeout;
2419         if (nv->login_timeout < 4)
2420                 nv->login_timeout = 4;
2421         ha->login_timeout = nv->login_timeout;
2422         icb->login_timeout = nv->login_timeout;
2423
2424         /* Set minimum RATOV to 100 tenths of a second. */
2425         ha->r_a_tov = 100;
2426
2427         ha->loop_reset_delay = nv->reset_delay;
2428
2429         /* Link Down Timeout = 0:
2430          *
2431          *      When Port Down timer expires we will start returning
2432          *      I/O's to OS with "DID_NO_CONNECT".
2433          *
2434          * Link Down Timeout != 0:
2435          *
2436          *       The driver waits for the link to come up after link down
2437          *       before returning I/Os to OS with "DID_NO_CONNECT".
2438          */
2439         if (nv->link_down_timeout == 0) {
2440                 ha->loop_down_abort_time =
2441                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2442         } else {
2443                 ha->link_down_timeout =  nv->link_down_timeout;
2444                 ha->loop_down_abort_time =
2445                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2446         }
2447
2448         /*
2449          * Need enough time to try and get the port back.
2450          */
2451         ha->port_down_retry_count = nv->port_down_retry_count;
2452         if (qlport_down_retry)
2453                 ha->port_down_retry_count = qlport_down_retry;
2454         /* Set login_retry_count */
2455         ha->login_retry_count  = nv->retry_count;
2456         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2457             ha->port_down_retry_count > 3)
2458                 ha->login_retry_count = ha->port_down_retry_count;
2459         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2460                 ha->login_retry_count = ha->port_down_retry_count;
2461         if (ql2xloginretrycount)
2462                 ha->login_retry_count = ql2xloginretrycount;
2463
2464         icb->lun_enables = __constant_cpu_to_le16(0);
2465         icb->command_resource_count = 0;
2466         icb->immediate_notify_resource_count = 0;
2467         icb->timeout = __constant_cpu_to_le16(0);
2468
2469         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2470                 /* Enable RIO */
2471                 icb->firmware_options[0] &= ~BIT_3;
2472                 icb->add_firmware_options[0] &=
2473                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2474                 icb->add_firmware_options[0] |= BIT_2;
2475                 icb->response_accumulation_timer = 3;
2476                 icb->interrupt_delay_timer = 5;
2477
2478                 vha->flags.process_response_queue = 1;
2479         } else {
2480                 /* Enable ZIO. */
2481                 if (!vha->flags.init_done) {
2482                         ha->zio_mode = icb->add_firmware_options[0] &
2483                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2484                         ha->zio_timer = icb->interrupt_delay_timer ?
2485                             icb->interrupt_delay_timer: 2;
2486                 }
2487                 icb->add_firmware_options[0] &=
2488                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2489                 vha->flags.process_response_queue = 0;
2490                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2491                         ha->zio_mode = QLA_ZIO_MODE_6;
2492
2493                         ql_log(ql_log_info, vha, 0x0068,
2494                             "ZIO mode %d enabled; timer delay (%d us).\n",
2495                             ha->zio_mode, ha->zio_timer * 100);
2496
2497                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2498                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2499                         vha->flags.process_response_queue = 1;
2500                 }
2501         }
2502
2503         if (rval) {
2504                 ql_log(ql_log_warn, vha, 0x0069,
2505                     "NVRAM configuration failed.\n");
2506         }
2507         return (rval);
2508 }
2509
2510 static void
2511 qla2x00_rport_del(void *data)
2512 {
2513         fc_port_t *fcport = data;
2514         struct fc_rport *rport;
2515         unsigned long flags;
2516
2517         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2518         rport = fcport->drport ? fcport->drport: fcport->rport;
2519         fcport->drport = NULL;
2520         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2521         if (rport)
2522                 fc_remote_port_delete(rport);
2523 }
2524
2525 /**
2526  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2527  * @ha: HA context
2528  * @flags: allocation flags
2529  *
2530  * Returns a pointer to the allocated fcport, or NULL, if none available.
2531  */
2532 fc_port_t *
2533 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2534 {
2535         fc_port_t *fcport;
2536
2537         fcport = kzalloc(sizeof(fc_port_t), flags);
2538         if (!fcport)
2539                 return NULL;
2540
2541         /* Setup fcport template structure. */
2542         fcport->vha = vha;
2543         fcport->vp_idx = vha->vp_idx;
2544         fcport->port_type = FCT_UNKNOWN;
2545         fcport->loop_id = FC_NO_LOOP_ID;
2546         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2547         fcport->supported_classes = FC_COS_UNSPECIFIED;
2548
2549         return fcport;
2550 }
2551
2552 /*
2553  * qla2x00_configure_loop
2554  *      Updates Fibre Channel Device Database with what is actually on loop.
2555  *
2556  * Input:
2557  *      ha                = adapter block pointer.
2558  *
2559  * Returns:
2560  *      0 = success.
2561  *      1 = error.
2562  *      2 = database was full and device was not configured.
2563  */
2564 static int
2565 qla2x00_configure_loop(scsi_qla_host_t *vha)
2566 {
2567         int  rval;
2568         unsigned long flags, save_flags;
2569         struct qla_hw_data *ha = vha->hw;
2570         rval = QLA_SUCCESS;
2571
2572         /* Get Initiator ID */
2573         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2574                 rval = qla2x00_configure_hba(vha);
2575                 if (rval != QLA_SUCCESS) {
2576                         ql_dbg(ql_dbg_disc, vha, 0x2013,
2577                             "Unable to configure HBA.\n");
2578                         return (rval);
2579                 }
2580         }
2581
2582         save_flags = flags = vha->dpc_flags;
2583         ql_dbg(ql_dbg_disc, vha, 0x2014,
2584             "Configure loop -- dpc flags = 0x%lx.\n", flags);
2585
2586         /*
2587          * If we have both an RSCN and PORT UPDATE pending then handle them
2588          * both at the same time.
2589          */
2590         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2591         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2592
2593         qla2x00_get_data_rate(vha);
2594
2595         /* Determine what we need to do */
2596         if (ha->current_topology == ISP_CFG_FL &&
2597             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2598
2599                 vha->flags.rscn_queue_overflow = 1;
2600                 set_bit(RSCN_UPDATE, &flags);
2601
2602         } else if (ha->current_topology == ISP_CFG_F &&
2603             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2604
2605                 vha->flags.rscn_queue_overflow = 1;
2606                 set_bit(RSCN_UPDATE, &flags);
2607                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2608
2609         } else if (ha->current_topology == ISP_CFG_N) {
2610                 clear_bit(RSCN_UPDATE, &flags);
2611
2612         } else if (!vha->flags.online ||
2613             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2614
2615                 vha->flags.rscn_queue_overflow = 1;
2616                 set_bit(RSCN_UPDATE, &flags);
2617                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2618         }
2619
2620         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2621                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2622                         ql_dbg(ql_dbg_disc, vha, 0x2015,
2623                             "Loop resync needed, failing.\n");
2624                         rval = QLA_FUNCTION_FAILED;
2625                 }
2626                 else
2627                         rval = qla2x00_configure_local_loop(vha);
2628         }
2629
2630         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2631                 if (LOOP_TRANSITION(vha)) {
2632                         ql_dbg(ql_dbg_disc, vha, 0x201e,
2633                             "Needs RSCN update and loop transition.\n");
2634                         rval = QLA_FUNCTION_FAILED;
2635                 }
2636                 else
2637                         rval = qla2x00_configure_fabric(vha);
2638         }
2639
2640         if (rval == QLA_SUCCESS) {
2641                 if (atomic_read(&vha->loop_down_timer) ||
2642                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2643                         rval = QLA_FUNCTION_FAILED;
2644                 } else {
2645                         atomic_set(&vha->loop_state, LOOP_READY);
2646                         ql_dbg(ql_dbg_disc, vha, 0x2069,
2647                             "LOOP READY.\n");
2648                 }
2649         }
2650
2651         if (rval) {
2652                 ql_dbg(ql_dbg_disc, vha, 0x206a,
2653                     "%s *** FAILED ***.\n", __func__);
2654         } else {
2655                 ql_dbg(ql_dbg_disc, vha, 0x206b,
2656                     "%s: exiting normally.\n", __func__);
2657         }
2658
2659         /* Restore state if a resync event occurred during processing */
2660         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2661                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2662                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2663                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2664                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2665                         if (!IS_ALOGIO_CAPABLE(ha))
2666                                 vha->flags.rscn_queue_overflow = 1;
2667                 }
2668         }
2669
2670         return (rval);
2671 }
2672
2673
2674
2675 /*
2676  * qla2x00_configure_local_loop
2677  *      Updates Fibre Channel Device Database with local loop devices.
2678  *
2679  * Input:
2680  *      ha = adapter block pointer.
2681  *
2682  * Returns:
2683  *      0 = success.
2684  */
2685 static int
2686 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2687 {
2688         int             rval, rval2;
2689         int             found_devs;
2690         int             found;
2691         fc_port_t       *fcport, *new_fcport;
2692
2693         uint16_t        index;
2694         uint16_t        entries;
2695         char            *id_iter;
2696         uint16_t        loop_id;
2697         uint8_t         domain, area, al_pa;
2698         struct qla_hw_data *ha = vha->hw;
2699
2700         found_devs = 0;
2701         new_fcport = NULL;
2702         entries = MAX_FIBRE_DEVICES;
2703
2704         ql_dbg(ql_dbg_disc, vha, 0x2016,
2705             "Getting FCAL position map.\n");
2706         if (ql2xextended_error_logging & ql_dbg_disc)
2707                 qla2x00_get_fcal_position_map(vha, NULL);
2708
2709         /* Get list of logged in devices. */
2710         memset(ha->gid_list, 0, GID_LIST_SIZE);
2711         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2712             &entries);
2713         if (rval != QLA_SUCCESS)
2714                 goto cleanup_allocation;
2715
2716         ql_dbg(ql_dbg_disc, vha, 0x2017,
2717             "Entries in ID list (%d).\n", entries);
2718         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
2719             (uint8_t *)ha->gid_list,
2720             entries * sizeof(struct gid_list_info));
2721
2722         /* Allocate temporary fcport for any new fcports discovered. */
2723         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2724         if (new_fcport == NULL) {
2725                 ql_log(ql_log_warn, vha, 0x2018,
2726                     "Memory allocation failed for fcport.\n");
2727                 rval = QLA_MEMORY_ALLOC_FAILED;
2728                 goto cleanup_allocation;
2729         }
2730         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2731
2732         /*
2733          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2734          */
2735         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2736                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2737                     fcport->port_type != FCT_BROADCAST &&
2738                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2739
2740                         ql_dbg(ql_dbg_disc, vha, 0x2019,
2741                             "Marking port lost loop_id=0x%04x.\n",
2742                             fcport->loop_id);
2743
2744                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2745                 }
2746         }
2747
2748         /* Add devices to port list. */
2749         id_iter = (char *)ha->gid_list;
2750         for (index = 0; index < entries; index++) {
2751                 domain = ((struct gid_list_info *)id_iter)->domain;
2752                 area = ((struct gid_list_info *)id_iter)->area;
2753                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2754                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2755                         loop_id = (uint16_t)
2756                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2757                 else
2758                         loop_id = le16_to_cpu(
2759                             ((struct gid_list_info *)id_iter)->loop_id);
2760                 id_iter += ha->gid_list_info_size;
2761
2762                 /* Bypass reserved domain fields. */
2763                 if ((domain & 0xf0) == 0xf0)
2764                         continue;
2765
2766                 /* Bypass if not same domain and area of adapter. */
2767                 if (area && domain &&
2768                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2769                         continue;
2770
2771                 /* Bypass invalid local loop ID. */
2772                 if (loop_id > LAST_LOCAL_LOOP_ID)
2773                         continue;
2774
2775                 /* Fill in member data. */
2776                 new_fcport->d_id.b.domain = domain;
2777                 new_fcport->d_id.b.area = area;
2778                 new_fcport->d_id.b.al_pa = al_pa;
2779                 new_fcport->loop_id = loop_id;
2780                 new_fcport->vp_idx = vha->vp_idx;
2781                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2782                 if (rval2 != QLA_SUCCESS) {
2783                         ql_dbg(ql_dbg_disc, vha, 0x201a,
2784                             "Failed to retrieve fcport information "
2785                             "-- get_port_database=%x, loop_id=0x%04x.\n",
2786                             rval2, new_fcport->loop_id);
2787                         ql_dbg(ql_dbg_disc, vha, 0x201b,
2788                             "Scheduling resync.\n");
2789                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2790                         continue;
2791                 }
2792
2793                 /* Check for matching device in port list. */
2794                 found = 0;
2795                 fcport = NULL;
2796                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2797                         if (memcmp(new_fcport->port_name, fcport->port_name,
2798                             WWN_SIZE))
2799                                 continue;
2800
2801                         fcport->flags &= ~FCF_FABRIC_DEVICE;
2802                         fcport->loop_id = new_fcport->loop_id;
2803                         fcport->port_type = new_fcport->port_type;
2804                         fcport->d_id.b24 = new_fcport->d_id.b24;
2805                         memcpy(fcport->node_name, new_fcport->node_name,
2806                             WWN_SIZE);
2807
2808                         found++;
2809                         break;
2810                 }
2811
2812                 if (!found) {
2813                         /* New device, add to fcports list. */
2814                         if (vha->vp_idx) {
2815                                 new_fcport->vha = vha;
2816                                 new_fcport->vp_idx = vha->vp_idx;
2817                         }
2818                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
2819
2820                         /* Allocate a new replacement fcport. */
2821                         fcport = new_fcport;
2822                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2823                         if (new_fcport == NULL) {
2824                                 ql_log(ql_log_warn, vha, 0x201c,
2825                                     "Failed to allocate memory for fcport.\n");
2826                                 rval = QLA_MEMORY_ALLOC_FAILED;
2827                                 goto cleanup_allocation;
2828                         }
2829                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2830                 }
2831
2832                 /* Base iIDMA settings on HBA port speed. */
2833                 fcport->fp_speed = ha->link_data_rate;
2834
2835                 qla2x00_update_fcport(vha, fcport);
2836
2837                 found_devs++;
2838         }
2839
2840 cleanup_allocation:
2841         kfree(new_fcport);
2842
2843         if (rval != QLA_SUCCESS) {
2844                 ql_dbg(ql_dbg_disc, vha, 0x201d,
2845                     "Configure local loop error exit: rval=%x.\n", rval);
2846         }
2847
2848         return (rval);
2849 }
2850
2851 static void
2852 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2853 {
2854 #define LS_UNKNOWN      2
2855         static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2856         char *link_speed;
2857         int rval;
2858         uint16_t mb[4];
2859         struct qla_hw_data *ha = vha->hw;
2860
2861         if (!IS_IIDMA_CAPABLE(ha))
2862                 return;
2863
2864         if (atomic_read(&fcport->state) != FCS_ONLINE)
2865                 return;
2866
2867         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2868             fcport->fp_speed > ha->link_data_rate)
2869                 return;
2870
2871         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2872             mb);
2873         if (rval != QLA_SUCCESS) {
2874                 ql_dbg(ql_dbg_disc, vha, 0x2004,
2875                     "Unable to adjust iIDMA "
2876                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x "
2877                     "%04x.\n", fcport->port_name[0], fcport->port_name[1],
2878                     fcport->port_name[2], fcport->port_name[3],
2879                     fcport->port_name[4], fcport->port_name[5],
2880                     fcport->port_name[6], fcport->port_name[7], rval,
2881                     fcport->fp_speed, mb[0], mb[1]);
2882         } else {
2883                 link_speed = link_speeds[LS_UNKNOWN];
2884                 if (fcport->fp_speed < 5)
2885                         link_speed = link_speeds[fcport->fp_speed];
2886                 else if (fcport->fp_speed == 0x13)
2887                         link_speed = link_speeds[5];
2888                 ql_dbg(ql_dbg_disc, vha, 0x2005,
2889                     "iIDMA adjusted to %s GB/s "
2890                     "on %02x%02x%02x%02x%02x%02x%02x%02x.\n", link_speed,
2891                     fcport->port_name[0], fcport->port_name[1],
2892                     fcport->port_name[2], fcport->port_name[3],
2893                     fcport->port_name[4], fcport->port_name[5],
2894                     fcport->port_name[6], fcport->port_name[7]);
2895         }
2896 }
2897
2898 static void
2899 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2900 {
2901         struct fc_rport_identifiers rport_ids;
2902         struct fc_rport *rport;
2903         unsigned long flags;
2904
2905         qla2x00_rport_del(fcport);
2906
2907         rport_ids.node_name = wwn_to_u64(fcport->node_name);
2908         rport_ids.port_name = wwn_to_u64(fcport->port_name);
2909         rport_ids.port_id = fcport->d_id.b.domain << 16 |
2910             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2911         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2912         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2913         if (!rport) {
2914                 ql_log(ql_log_warn, vha, 0x2006,
2915                     "Unable to allocate fc remote port.\n");
2916                 return;
2917         }
2918         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2919         *((fc_port_t **)rport->dd_data) = fcport;
2920         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2921
2922         rport->supported_classes = fcport->supported_classes;
2923
2924         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2925         if (fcport->port_type == FCT_INITIATOR)
2926                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2927         if (fcport->port_type == FCT_TARGET)
2928                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2929         fc_remote_port_rolechg(rport, rport_ids.roles);
2930 }
2931
2932 /*
2933  * qla2x00_update_fcport
2934  *      Updates device on list.
2935  *
2936  * Input:
2937  *      ha = adapter block pointer.
2938  *      fcport = port structure pointer.
2939  *
2940  * Return:
2941  *      0  - Success
2942  *  BIT_0 - error
2943  *
2944  * Context:
2945  *      Kernel context.
2946  */
2947 void
2948 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2949 {
2950         fcport->vha = vha;
2951         fcport->login_retry = 0;
2952         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
2953
2954         qla2x00_iidma_fcport(vha, fcport);
2955         qla24xx_update_fcport_fcp_prio(vha, fcport);
2956         qla2x00_reg_remote_port(vha, fcport);
2957         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
2958 }
2959
2960 /*
2961  * qla2x00_configure_fabric
2962  *      Setup SNS devices with loop ID's.
2963  *
2964  * Input:
2965  *      ha = adapter block pointer.
2966  *
2967  * Returns:
2968  *      0 = success.
2969  *      BIT_0 = error
2970  */
2971 static int
2972 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2973 {
2974         int     rval, rval2;
2975         fc_port_t       *fcport, *fcptemp;
2976         uint16_t        next_loopid;
2977         uint16_t        mb[MAILBOX_REGISTER_COUNT];
2978         uint16_t        loop_id;
2979         LIST_HEAD(new_fcports);
2980         struct qla_hw_data *ha = vha->hw;
2981         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2982
2983         /* If FL port exists, then SNS is present */
2984         if (IS_FWI2_CAPABLE(ha))
2985                 loop_id = NPH_F_PORT;
2986         else
2987                 loop_id = SNS_FL_PORT;
2988         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2989         if (rval != QLA_SUCCESS) {
2990                 ql_dbg(ql_dbg_disc, vha, 0x201f,
2991                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
2992
2993                 vha->device_flags &= ~SWITCH_FOUND;
2994                 return (QLA_SUCCESS);
2995         }
2996         vha->device_flags |= SWITCH_FOUND;
2997
2998         /* Mark devices that need re-synchronization. */
2999         rval2 = qla2x00_device_resync(vha);
3000         if (rval2 == QLA_RSCNS_HANDLED) {
3001                 /* No point doing the scan, just continue. */
3002                 return (QLA_SUCCESS);
3003         }
3004         do {
3005                 /* FDMI support. */
3006                 if (ql2xfdmienable &&
3007                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3008                         qla2x00_fdmi_register(vha);
3009
3010                 /* Ensure we are logged into the SNS. */
3011                 if (IS_FWI2_CAPABLE(ha))
3012                         loop_id = NPH_SNS;
3013                 else
3014                         loop_id = SIMPLE_NAME_SERVER;
3015                 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3016                     0xfc, mb, BIT_1 | BIT_0);
3017                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3018                         ql_dbg(ql_dbg_disc, vha, 0x2042,
3019                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3020                             "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3021                             mb[2], mb[6], mb[7]);
3022                         return (QLA_SUCCESS);
3023                 }
3024
3025                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3026                         if (qla2x00_rft_id(vha)) {
3027                                 /* EMPTY */
3028                                 ql_dbg(ql_dbg_disc, vha, 0x2045,
3029                                     "Register FC-4 TYPE failed.\n");
3030                         }
3031                         if (qla2x00_rff_id(vha)) {
3032                                 /* EMPTY */
3033                                 ql_dbg(ql_dbg_disc, vha, 0x2049,
3034                                     "Register FC-4 Features failed.\n");
3035                         }
3036                         if (qla2x00_rnn_id(vha)) {
3037                                 /* EMPTY */
3038                                 ql_dbg(ql_dbg_disc, vha, 0x204f,
3039                                     "Register Node Name failed.\n");
3040                         } else if (qla2x00_rsnn_nn(vha)) {
3041                                 /* EMPTY */
3042                                 ql_dbg(ql_dbg_disc, vha, 0x2053,
3043                                     "Register Symobilic Node Name failed.\n");
3044                         }
3045                 }
3046
3047                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3048                 if (rval != QLA_SUCCESS)
3049                         break;
3050
3051                 /*
3052                  * Logout all previous fabric devices marked lost, except
3053                  * FCP2 devices.
3054                  */
3055                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3056                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3057                                 break;
3058
3059                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3060                                 continue;
3061
3062                         if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3063                                 qla2x00_mark_device_lost(vha, fcport,
3064                                     ql2xplogiabsentdevice, 0);
3065                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
3066                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3067                                     fcport->port_type != FCT_INITIATOR &&
3068                                     fcport->port_type != FCT_BROADCAST) {
3069                                         ha->isp_ops->fabric_logout(vha,
3070                                             fcport->loop_id,
3071                                             fcport->d_id.b.domain,
3072                                             fcport->d_id.b.area,
3073                                             fcport->d_id.b.al_pa);
3074                                         fcport->loop_id = FC_NO_LOOP_ID;
3075                                 }
3076                         }
3077                 }
3078
3079                 /* Starting free loop ID. */
3080                 next_loopid = ha->min_external_loopid;
3081
3082                 /*
3083                  * Scan through our port list and login entries that need to be
3084                  * logged in.
3085                  */
3086                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3087                         if (atomic_read(&vha->loop_down_timer) ||
3088                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3089                                 break;
3090
3091                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3092                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3093                                 continue;
3094
3095                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3096                                 fcport->loop_id = next_loopid;
3097                                 rval = qla2x00_find_new_loop_id(
3098                                     base_vha, fcport);
3099                                 if (rval != QLA_SUCCESS) {
3100                                         /* Ran out of IDs to use */
3101                                         break;
3102                                 }
3103                         }
3104                         /* Login and update database */
3105                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3106                 }
3107
3108                 /* Exit if out of loop IDs. */
3109                 if (rval != QLA_SUCCESS) {
3110                         break;
3111                 }
3112
3113                 /*
3114                  * Login and add the new devices to our port list.
3115                  */
3116                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3117                         if (atomic_read(&vha->loop_down_timer) ||
3118                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3119                                 break;
3120
3121                         /* Find a new loop ID to use. */
3122                         fcport->loop_id = next_loopid;
3123                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
3124                         if (rval != QLA_SUCCESS) {
3125                                 /* Ran out of IDs to use */
3126                                 break;
3127                         }
3128
3129                         /* Login and update database */
3130                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3131
3132                         if (vha->vp_idx) {
3133                                 fcport->vha = vha;
3134                                 fcport->vp_idx = vha->vp_idx;
3135                         }
3136                         list_move_tail(&fcport->list, &vha->vp_fcports);
3137                 }
3138         } while (0);
3139
3140         /* Free all new device structures not processed. */
3141         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3142                 list_del(&fcport->list);
3143                 kfree(fcport);
3144         }
3145
3146         if (rval) {
3147                 ql_dbg(ql_dbg_disc, vha, 0x2068,
3148                     "Configure fabric error exit rval=%d.\n", rval);
3149         }
3150
3151         return (rval);
3152 }
3153
3154 /*
3155  * qla2x00_find_all_fabric_devs
3156  *
3157  * Input:
3158  *      ha = adapter block pointer.
3159  *      dev = database device entry pointer.
3160  *
3161  * Returns:
3162  *      0 = success.
3163  *
3164  * Context:
3165  *      Kernel context.
3166  */
3167 static int
3168 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3169         struct list_head *new_fcports)
3170 {
3171         int             rval;
3172         uint16_t        loop_id;
3173         fc_port_t       *fcport, *new_fcport, *fcptemp;
3174         int             found;
3175
3176         sw_info_t       *swl;
3177         int             swl_idx;
3178         int             first_dev, last_dev;
3179         port_id_t       wrap = {}, nxt_d_id;
3180         struct qla_hw_data *ha = vha->hw;
3181         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3182         struct scsi_qla_host *tvp;
3183
3184         rval = QLA_SUCCESS;
3185
3186         /* Try GID_PT to get device list, else GAN. */
3187         swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
3188         if (!swl) {
3189                 /*EMPTY*/
3190                 ql_dbg(ql_dbg_disc, vha, 0x2054,
3191                     "GID_PT allocations failed, fallback on GA_NXT.\n");
3192         } else {
3193                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3194                         kfree(swl);
3195                         swl = NULL;
3196                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3197                         kfree(swl);
3198                         swl = NULL;
3199                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3200                         kfree(swl);
3201                         swl = NULL;
3202                 } else if (ql2xiidmaenable &&
3203                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3204                         qla2x00_gpsc(vha, swl);
3205                 }
3206
3207                 /* If other queries succeeded probe for FC-4 type */
3208                 if (swl)
3209                         qla2x00_gff_id(vha, swl);
3210         }
3211         swl_idx = 0;
3212
3213         /* Allocate temporary fcport for any new fcports discovered. */
3214         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3215         if (new_fcport == NULL) {
3216                 ql_log(ql_log_warn, vha, 0x205e,
3217                     "Failed to allocate memory for fcport.\n");
3218                 kfree(swl);
3219                 return (QLA_MEMORY_ALLOC_FAILED);
3220         }
3221         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3222         /* Set start port ID scan at adapter ID. */
3223         first_dev = 1;
3224         last_dev = 0;
3225
3226         /* Starting free loop ID. */
3227         loop_id = ha->min_external_loopid;
3228         for (; loop_id <= ha->max_loop_id; loop_id++) {
3229                 if (qla2x00_is_reserved_id(vha, loop_id))
3230                         continue;
3231
3232                 if (ha->current_topology == ISP_CFG_FL &&
3233                     (atomic_read(&vha->loop_down_timer) ||
3234                      LOOP_TRANSITION(vha))) {
3235                         atomic_set(&vha->loop_down_timer, 0);
3236                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3237                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3238                         break;
3239                 }
3240
3241                 if (swl != NULL) {
3242                         if (last_dev) {
3243                                 wrap.b24 = new_fcport->d_id.b24;
3244                         } else {
3245                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3246                                 memcpy(new_fcport->node_name,
3247                                     swl[swl_idx].node_name, WWN_SIZE);
3248                                 memcpy(new_fcport->port_name,
3249                                     swl[swl_idx].port_name, WWN_SIZE);
3250                                 memcpy(new_fcport->fabric_port_name,
3251                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3252                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3253                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3254
3255                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3256                                         last_dev = 1;
3257                                 }
3258                                 swl_idx++;
3259                         }
3260                 } else {
3261                         /* Send GA_NXT to the switch */
3262                         rval = qla2x00_ga_nxt(vha, new_fcport);
3263                         if (rval != QLA_SUCCESS) {
3264                                 ql_log(ql_log_warn, vha, 0x2064,
3265                                     "SNS scan failed -- assuming "
3266                                     "zero-entry result.\n");
3267                                 list_for_each_entry_safe(fcport, fcptemp,
3268                                     new_fcports, list) {
3269                                         list_del(&fcport->list);
3270                                         kfree(fcport);
3271                                 }
3272                                 rval = QLA_SUCCESS;
3273                                 break;
3274                         }
3275                 }
3276
3277                 /* If wrap on switch device list, exit. */
3278                 if (first_dev) {
3279                         wrap.b24 = new_fcport->d_id.b24;
3280                         first_dev = 0;
3281                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3282                         ql_dbg(ql_dbg_disc, vha, 0x2065,
3283                             "Device wrap (%02x%02x%02x).\n",
3284                             new_fcport->d_id.b.domain,
3285                             new_fcport->d_id.b.area,
3286                             new_fcport->d_id.b.al_pa);
3287                         break;
3288                 }
3289
3290                 /* Bypass if same physical adapter. */
3291                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3292                         continue;
3293
3294                 /* Bypass virtual ports of the same host. */
3295                 found = 0;
3296                 if (ha->num_vhosts) {
3297                         unsigned long flags;
3298
3299                         spin_lock_irqsave(&ha->vport_slock, flags);
3300                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3301                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3302                                         found = 1;
3303                                         break;
3304                                 }
3305                         }
3306                         spin_unlock_irqrestore(&ha->vport_slock, flags);
3307
3308                         if (found)
3309                                 continue;
3310                 }
3311
3312                 /* Bypass if same domain and area of adapter. */
3313                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3314                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3315                         ISP_CFG_FL)
3316                             continue;
3317
3318                 /* Bypass reserved domain fields. */
3319                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3320                         continue;
3321
3322                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3323                 if (ql2xgffidenable &&
3324                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3325                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3326                         continue;
3327
3328                 /* Locate matching device in database. */
3329                 found = 0;
3330                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3331                         if (memcmp(new_fcport->port_name, fcport->port_name,
3332                             WWN_SIZE))
3333                                 continue;
3334
3335                         found++;
3336
3337                         /* Update port state. */
3338                         memcpy(fcport->fabric_port_name,
3339                             new_fcport->fabric_port_name, WWN_SIZE);
3340                         fcport->fp_speed = new_fcport->fp_speed;
3341
3342                         /*
3343                          * If address the same and state FCS_ONLINE, nothing
3344                          * changed.
3345                          */
3346                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3347                             atomic_read(&fcport->state) == FCS_ONLINE) {
3348                                 break;
3349                         }
3350
3351                         /*
3352                          * If device was not a fabric device before.
3353                          */
3354                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3355                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3356                                 fcport->loop_id = FC_NO_LOOP_ID;
3357                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3358                                     FCF_LOGIN_NEEDED);
3359                                 break;
3360                         }
3361
3362                         /*
3363                          * Port ID changed or device was marked to be updated;
3364                          * Log it out if still logged in and mark it for
3365                          * relogin later.
3366                          */
3367                         fcport->d_id.b24 = new_fcport->d_id.b24;
3368                         fcport->flags |= FCF_LOGIN_NEEDED;
3369                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3370                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3371                             fcport->port_type != FCT_INITIATOR &&
3372                             fcport->port_type != FCT_BROADCAST) {
3373                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3374                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3375                                     fcport->d_id.b.al_pa);
3376                                 fcport->loop_id = FC_NO_LOOP_ID;
3377                         }
3378
3379                         break;
3380                 }
3381
3382                 if (found)
3383                         continue;
3384                 /* If device was not in our fcports list, then add it. */
3385                 list_add_tail(&new_fcport->list, new_fcports);
3386
3387                 /* Allocate a new replacement fcport. */
3388                 nxt_d_id.b24 = new_fcport->d_id.b24;
3389                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3390                 if (new_fcport == NULL) {
3391                         ql_log(ql_log_warn, vha, 0x2066,
3392                             "Memory allocation failed for fcport.\n");
3393                         kfree(swl);
3394                         return (QLA_MEMORY_ALLOC_FAILED);
3395                 }
3396                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3397                 new_fcport->d_id.b24 = nxt_d_id.b24;
3398         }
3399
3400         kfree(swl);
3401         kfree(new_fcport);
3402
3403         return (rval);
3404 }
3405
3406 /*
3407  * qla2x00_find_new_loop_id
3408  *      Scan through our port list and find a new usable loop ID.
3409  *
3410  * Input:
3411  *      ha:     adapter state pointer.
3412  *      dev:    port structure pointer.
3413  *
3414  * Returns:
3415  *      qla2x00 local function return status code.
3416  *
3417  * Context:
3418  *      Kernel context.
3419  */
3420 int
3421 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3422 {
3423         int     rval;
3424         int     found;
3425         fc_port_t *fcport;
3426         uint16_t first_loop_id;
3427         struct qla_hw_data *ha = vha->hw;
3428         struct scsi_qla_host *vp;
3429         struct scsi_qla_host *tvp;
3430         unsigned long flags = 0;
3431
3432         rval = QLA_SUCCESS;
3433
3434         /* Save starting loop ID. */
3435         first_loop_id = dev->loop_id;
3436
3437         for (;;) {
3438                 /* Skip loop ID if already used by adapter. */
3439                 if (dev->loop_id == vha->loop_id)
3440                         dev->loop_id++;
3441
3442                 /* Skip reserved loop IDs. */
3443                 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3444                         dev->loop_id++;
3445
3446                 /* Reset loop ID if passed the end. */
3447                 if (dev->loop_id > ha->max_loop_id) {
3448                         /* first loop ID. */
3449                         dev->loop_id = ha->min_external_loopid;
3450                 }
3451
3452                 /* Check for loop ID being already in use. */
3453                 found = 0;
3454                 fcport = NULL;
3455
3456                 spin_lock_irqsave(&ha->vport_slock, flags);
3457                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3458                         list_for_each_entry(fcport, &vp->vp_fcports, list) {
3459                                 if (fcport->loop_id == dev->loop_id &&
3460                                                                 fcport != dev) {
3461                                         /* ID possibly in use */
3462                                         found++;
3463                                         break;
3464                                 }
3465                         }
3466                         if (found)
3467                                 break;
3468                 }
3469                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3470
3471                 /* If not in use then it is free to use. */
3472                 if (!found) {
3473                         break;
3474                 }
3475
3476                 /* ID in use. Try next value. */
3477                 dev->loop_id++;
3478
3479                 /* If wrap around. No free ID to use. */
3480                 if (dev->loop_id == first_loop_id) {
3481                         dev->loop_id = FC_NO_LOOP_ID;
3482                         rval = QLA_FUNCTION_FAILED;
3483                         break;
3484                 }
3485         }
3486
3487         return (rval);
3488 }
3489
3490 /*
3491  * qla2x00_device_resync
3492  *      Marks devices in the database that needs resynchronization.
3493  *
3494  * Input:
3495  *      ha = adapter block pointer.
3496  *
3497  * Context:
3498  *      Kernel context.
3499  */
3500 static int
3501 qla2x00_device_resync(scsi_qla_host_t *vha)
3502 {
3503         int     rval;
3504         uint32_t mask;
3505         fc_port_t *fcport;
3506         uint32_t rscn_entry;
3507         uint8_t rscn_out_iter;
3508         uint8_t format;
3509         port_id_t d_id = {};
3510
3511         rval = QLA_RSCNS_HANDLED;
3512
3513         while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3514             vha->flags.rscn_queue_overflow) {
3515
3516                 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3517                 format = MSB(MSW(rscn_entry));
3518                 d_id.b.domain = LSB(MSW(rscn_entry));
3519                 d_id.b.area = MSB(LSW(rscn_entry));
3520                 d_id.b.al_pa = LSB(LSW(rscn_entry));
3521
3522                 ql_dbg(ql_dbg_disc, vha, 0x2020,
3523                     "RSCN queue entry[%d] = [%02x/%02x%02x%02x].\n",
3524                     vha->rscn_out_ptr, format, d_id.b.domain, d_id.b.area,
3525                     d_id.b.al_pa);
3526
3527                 vha->rscn_out_ptr++;
3528                 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3529                         vha->rscn_out_ptr = 0;
3530
3531                 /* Skip duplicate entries. */
3532                 for (rscn_out_iter = vha->rscn_out_ptr;
3533                     !vha->flags.rscn_queue_overflow &&
3534                     rscn_out_iter != vha->rscn_in_ptr;
3535                     rscn_out_iter = (rscn_out_iter ==
3536                         (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3537
3538                         if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3539                                 break;
3540
3541                         ql_dbg(ql_dbg_disc, vha, 0x2021,
3542                             "Skipping duplicate RSCN queue entry found at "
3543                             "[%d].\n", rscn_out_iter);
3544
3545                         vha->rscn_out_ptr = rscn_out_iter;
3546                 }
3547
3548                 /* Queue overflow, set switch default case. */
3549                 if (vha->flags.rscn_queue_overflow) {
3550                         ql_dbg(ql_dbg_disc, vha, 0x2022,
3551                             "device_resync: rscn overflow.\n");
3552
3553                         format = 3;
3554                         vha->flags.rscn_queue_overflow = 0;
3555                 }
3556
3557                 switch (format) {
3558                 case 0:
3559                         mask = 0xffffff;
3560                         break;
3561                 case 1:
3562                         mask = 0xffff00;
3563                         break;
3564                 case 2:
3565                         mask = 0xff0000;
3566                         break;
3567                 default:
3568                         mask = 0x0;
3569                         d_id.b24 = 0;
3570                         vha->rscn_out_ptr = vha->rscn_in_ptr;
3571                         break;
3572                 }
3573
3574                 rval = QLA_SUCCESS;
3575
3576                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3577                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3578                             (fcport->d_id.b24 & mask) != d_id.b24 ||
3579                             fcport->port_type == FCT_BROADCAST)
3580                                 continue;
3581
3582                         if (atomic_read(&fcport->state) == FCS_ONLINE) {
3583                                 if (format != 3 ||
3584                                     fcport->port_type != FCT_INITIATOR) {
3585                                         qla2x00_mark_device_lost(vha, fcport,
3586                                             0, 0);
3587                                 }
3588                         }
3589                 }
3590         }
3591         return (rval);
3592 }
3593
3594 /*
3595  * qla2x00_fabric_dev_login
3596  *      Login fabric target device and update FC port database.
3597  *
3598  * Input:
3599  *      ha:             adapter state pointer.
3600  *      fcport:         port structure list pointer.
3601  *      next_loopid:    contains value of a new loop ID that can be used
3602  *                      by the next login attempt.
3603  *
3604  * Returns:
3605  *      qla2x00 local function return status code.
3606  *
3607  * Context:
3608  *      Kernel context.
3609  */
3610 static int
3611 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3612     uint16_t *next_loopid)
3613 {
3614         int     rval;
3615         int     retry;
3616         uint8_t opts;
3617         struct qla_hw_data *ha = vha->hw;
3618
3619         rval = QLA_SUCCESS;
3620         retry = 0;
3621
3622         if (IS_ALOGIO_CAPABLE(ha)) {
3623                 if (fcport->flags & FCF_ASYNC_SENT)
3624                         return rval;
3625                 fcport->flags |= FCF_ASYNC_SENT;
3626                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3627                 if (!rval)
3628                         return rval;
3629         }
3630
3631         fcport->flags &= ~FCF_ASYNC_SENT;
3632         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3633         if (rval == QLA_SUCCESS) {
3634                 /* Send an ADISC to FCP2 devices.*/
3635                 opts = 0;
3636                 if (fcport->flags & FCF_FCP2_DEVICE)
3637                         opts |= BIT_1;
3638                 rval = qla2x00_get_port_database(vha, fcport, opts);
3639                 if (rval != QLA_SUCCESS) {
3640                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3641                             fcport->d_id.b.domain, fcport->d_id.b.area,
3642                             fcport->d_id.b.al_pa);
3643                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3644                 } else {
3645                         qla2x00_update_fcport(vha, fcport);
3646                 }
3647         }
3648
3649         return (rval);
3650 }
3651
3652 /*
3653  * qla2x00_fabric_login
3654  *      Issue fabric login command.
3655  *
3656  * Input:
3657  *      ha = adapter block pointer.
3658  *      device = pointer to FC device type structure.
3659  *
3660  * Returns:
3661  *      0 - Login successfully
3662  *      1 - Login failed
3663  *      2 - Initiator device
3664  *      3 - Fatal error
3665  */
3666 int
3667 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3668     uint16_t *next_loopid)
3669 {
3670         int     rval;
3671         int     retry;
3672         uint16_t tmp_loopid;
3673         uint16_t mb[MAILBOX_REGISTER_COUNT];
3674         struct qla_hw_data *ha = vha->hw;
3675
3676         retry = 0;
3677         tmp_loopid = 0;
3678
3679         for (;;) {
3680                 ql_dbg(ql_dbg_disc, vha, 0x2000,
3681                     "Trying Fabric Login w/loop id 0x%04x for port "
3682                     "%02x%02x%02x.\n",
3683                     fcport->loop_id, fcport->d_id.b.domain,
3684                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
3685
3686                 /* Login fcport on switch. */
3687                 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3688                     fcport->d_id.b.domain, fcport->d_id.b.area,
3689                     fcport->d_id.b.al_pa, mb, BIT_0);
3690                 if (mb[0] == MBS_PORT_ID_USED) {
3691                         /*
3692                          * Device has another loop ID.  The firmware team
3693                          * recommends the driver perform an implicit login with
3694                          * the specified ID again. The ID we just used is save
3695                          * here so we return with an ID that can be tried by
3696                          * the next login.
3697                          */
3698                         retry++;
3699                         tmp_loopid = fcport->loop_id;
3700                         fcport->loop_id = mb[1];
3701
3702                         ql_dbg(ql_dbg_disc, vha, 0x2001,
3703                             "Fabric Login: port in use - next loop "
3704                             "id=0x%04x, port id= %02x%02x%02x.\n",
3705                             fcport->loop_id, fcport->d_id.b.domain,
3706                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
3707
3708                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3709                         /*
3710                          * Login succeeded.
3711                          */
3712                         if (retry) {
3713                                 /* A retry occurred before. */
3714                                 *next_loopid = tmp_loopid;
3715                         } else {
3716                                 /*
3717                                  * No retry occurred before. Just increment the
3718                                  * ID value for next login.
3719                                  */
3720                                 *next_loopid = (fcport->loop_id + 1);
3721                         }
3722
3723                         if (mb[1] & BIT_0) {
3724                                 fcport->port_type = FCT_INITIATOR;
3725                         } else {
3726                                 fcport->port_type = FCT_TARGET;
3727                                 if (mb[1] & BIT_1) {
3728                                         fcport->flags |= FCF_FCP2_DEVICE;
3729                                 }
3730                         }
3731
3732                         if (mb[10] & BIT_0)
3733                                 fcport->supported_classes |= FC_COS_CLASS2;
3734                         if (mb[10] & BIT_1)
3735                                 fcport->supported_classes |= FC_COS_CLASS3;
3736
3737                         rval = QLA_SUCCESS;
3738                         break;
3739                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3740                         /*
3741                          * Loop ID already used, try next loop ID.
3742                          */
3743                         fcport->loop_id++;
3744                         rval = qla2x00_find_new_loop_id(vha, fcport);
3745                         if (rval != QLA_SUCCESS) {
3746                                 /* Ran out of loop IDs to use */
3747                                 break;
3748                         }
3749                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3750                         /*
3751                          * Firmware possibly timed out during login. If NO
3752                          * retries are left to do then the device is declared
3753                          * dead.
3754                          */
3755                         *next_loopid = fcport->loop_id;
3756                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3757                             fcport->d_id.b.domain, fcport->d_id.b.area,
3758                             fcport->d_id.b.al_pa);
3759                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3760
3761                         rval = 1;
3762                         break;
3763                 } else {
3764                         /*
3765                          * unrecoverable / not handled error
3766                          */
3767                         ql_dbg(ql_dbg_disc, vha, 0x2002,
3768                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
3769                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
3770                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
3771                             fcport->loop_id, jiffies);
3772
3773                         *next_loopid = fcport->loop_id;
3774                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3775                             fcport->d_id.b.domain, fcport->d_id.b.area,
3776                             fcport->d_id.b.al_pa);
3777                         fcport->loop_id = FC_NO_LOOP_ID;
3778                         fcport->login_retry = 0;
3779
3780                         rval = 3;
3781                         break;
3782                 }
3783         }
3784
3785         return (rval);
3786 }
3787
3788 /*
3789  * qla2x00_local_device_login
3790  *      Issue local device login command.
3791  *
3792  * Input:
3793  *      ha = adapter block pointer.
3794  *      loop_id = loop id of device to login to.
3795  *
3796  * Returns (Where's the #define!!!!):
3797  *      0 - Login successfully
3798  *      1 - Login failed
3799  *      3 - Fatal error
3800  */
3801 int
3802 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3803 {
3804         int             rval;
3805         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3806
3807         memset(mb, 0, sizeof(mb));
3808         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3809         if (rval == QLA_SUCCESS) {
3810                 /* Interrogate mailbox registers for any errors */
3811                 if (mb[0] == MBS_COMMAND_ERROR)
3812                         rval = 1;
3813                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3814                         /* device not in PCB table */
3815                         rval = 3;
3816         }
3817
3818         return (rval);
3819 }
3820
3821 /*
3822  *  qla2x00_loop_resync
3823  *      Resync with fibre channel devices.
3824  *
3825  * Input:
3826  *      ha = adapter block pointer.
3827  *
3828  * Returns:
3829  *      0 = success
3830  */
3831 int
3832 qla2x00_loop_resync(scsi_qla_host_t *vha)
3833 {
3834         int rval = QLA_SUCCESS;
3835         uint32_t wait_time;
3836         struct req_que *req;
3837         struct rsp_que *rsp;
3838
3839         if (vha->hw->flags.cpu_affinity_enabled)
3840                 req = vha->hw->req_q_map[0];
3841         else
3842                 req = vha->req;
3843         rsp = req->rsp;
3844
3845         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3846         if (vha->flags.online) {
3847                 if (!(rval = qla2x00_fw_ready(vha))) {
3848                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3849                         wait_time = 256;
3850                         do {
3851                                 /* Issue a marker after FW becomes ready. */
3852                                 qla2x00_marker(vha, req, rsp, 0, 0,
3853                                         MK_SYNC_ALL);
3854                                 vha->marker_needed = 0;
3855
3856                                 /* Remap devices on Loop. */
3857                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3858
3859                                 qla2x00_configure_loop(vha);
3860                                 wait_time--;
3861                         } while (!atomic_read(&vha->loop_down_timer) &&
3862                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3863                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3864                                 &vha->dpc_flags)));
3865                 }
3866         }
3867
3868         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3869                 return (QLA_FUNCTION_FAILED);
3870
3871         if (rval)
3872                 ql_dbg(ql_dbg_disc, vha, 0x206c,
3873                     "%s *** FAILED ***.\n", __func__);
3874
3875         return (rval);
3876 }
3877
3878 /*
3879 * qla2x00_perform_loop_resync
3880 * Description: This function will set the appropriate flags and call
3881 *              qla2x00_loop_resync. If successful loop will be resynced
3882 * Arguments : scsi_qla_host_t pointer
3883 * returm    : Success or Failure
3884 */
3885
3886 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3887 {
3888         int32_t rval = 0;
3889
3890         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3891                 /*Configure the flags so that resync happens properly*/
3892                 atomic_set(&ha->loop_down_timer, 0);
3893                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3894                         atomic_set(&ha->loop_state, LOOP_UP);
3895                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3896                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3897                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3898
3899                         rval = qla2x00_loop_resync(ha);
3900                 } else
3901                         atomic_set(&ha->loop_state, LOOP_DEAD);
3902
3903                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3904         }
3905
3906         return rval;
3907 }
3908
3909 void
3910 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3911 {
3912         fc_port_t *fcport;
3913         struct scsi_qla_host *vha;
3914         struct qla_hw_data *ha = base_vha->hw;
3915         unsigned long flags;
3916
3917         spin_lock_irqsave(&ha->vport_slock, flags);
3918         /* Go with deferred removal of rport references. */
3919         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3920                 atomic_inc(&vha->vref_count);
3921                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3922                         if (fcport->drport &&
3923                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3924                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3925
3926                                 qla2x00_rport_del(fcport);
3927
3928                                 spin_lock_irqsave(&ha->vport_slock, flags);
3929                         }
3930                 }
3931                 atomic_dec(&vha->vref_count);
3932         }
3933         spin_unlock_irqrestore(&ha->vport_slock, flags);
3934 }
3935
3936 /*
3937 * qla82xx_quiescent_state_cleanup
3938 * Description: This function will block the new I/Os
3939 *              Its not aborting any I/Os as context
3940 *              is not destroyed during quiescence
3941 * Arguments: scsi_qla_host_t
3942 * return   : void
3943 */
3944 void
3945 qla82xx_quiescent_state_cleanup(scsi_qla_host_t *vha)
3946 {
3947         struct qla_hw_data *ha = vha->hw;
3948         struct scsi_qla_host *vp;
3949
3950         ql_dbg(ql_dbg_p3p, vha, 0xb002,
3951             "Performing ISP error recovery - ha=%p.\n", ha);
3952
3953         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3954         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3955                 atomic_set(&vha->loop_state, LOOP_DOWN);
3956                 qla2x00_mark_all_devices_lost(vha, 0);
3957                 list_for_each_entry(vp, &ha->vp_list, list)
3958                         qla2x00_mark_all_devices_lost(vha, 0);
3959         } else {
3960                 if (!atomic_read(&vha->loop_down_timer))
3961                         atomic_set(&vha->loop_down_timer,
3962                                         LOOP_DOWN_TIME);
3963         }
3964         /* Wait for pending cmds to complete */
3965         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
3966 }
3967
3968 void
3969 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
3970 {
3971         struct qla_hw_data *ha = vha->hw;
3972         struct scsi_qla_host *vp;
3973         unsigned long flags;
3974         fc_port_t *fcport;
3975
3976         /* For ISP82XX, driver waits for completion of the commands.
3977          * online flag should be set.
3978          */
3979         if (!IS_QLA82XX(ha))
3980                 vha->flags.online = 0;
3981         ha->flags.chip_reset_done = 0;
3982         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3983         ha->qla_stats.total_isp_aborts++;
3984
3985         ql_log(ql_log_info, vha, 0x00af,
3986             "Performing ISP error recovery - ha=%p.\n", ha);
3987
3988         /* For ISP82XX, reset_chip is just disabling interrupts.
3989          * Driver waits for the completion of the commands.
3990          * the interrupts need to be enabled.
3991          */
3992         if (!IS_QLA82XX(ha))
3993                 ha->isp_ops->reset_chip(vha);
3994
3995         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3996         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3997                 atomic_set(&vha->loop_state, LOOP_DOWN);
3998                 qla2x00_mark_all_devices_lost(vha, 0);
3999
4000                 spin_lock_irqsave(&ha->vport_slock, flags);
4001                 list_for_each_entry(vp, &ha->vp_list, list) {
4002                         atomic_inc(&vp->vref_count);
4003                         spin_unlock_irqrestore(&ha->vport_slock, flags);
4004
4005                         qla2x00_mark_all_devices_lost(vp, 0);
4006
4007                         spin_lock_irqsave(&ha->vport_slock, flags);
4008                         atomic_dec(&vp->vref_count);
4009                 }
4010                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4011         } else {
4012                 if (!atomic_read(&vha->loop_down_timer))
4013                         atomic_set(&vha->loop_down_timer,
4014                             LOOP_DOWN_TIME);
4015         }
4016
4017         /* Clear all async request states across all VPs. */
4018         list_for_each_entry(fcport, &vha->vp_fcports, list)
4019                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4020         spin_lock_irqsave(&ha->vport_slock, flags);
4021         list_for_each_entry(vp, &ha->vp_list, list) {
4022                 atomic_inc(&vp->vref_count);
4023                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4024
4025                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4026                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4027
4028                 spin_lock_irqsave(&ha->vport_slock, flags);
4029                 atomic_dec(&vp->vref_count);
4030         }
4031         spin_unlock_irqrestore(&ha->vport_slock, flags);
4032
4033         if (!ha->flags.eeh_busy) {
4034                 /* Make sure for ISP 82XX IO DMA is complete */
4035                 if (IS_QLA82XX(ha)) {
4036                         qla82xx_chip_reset_cleanup(vha);
4037                         ql_log(ql_log_info, vha, 0x00b4,
4038                             "Done chip reset cleanup.\n");
4039
4040                         /* Done waiting for pending commands.
4041                          * Reset the online flag.
4042                          */
4043                         vha->flags.online = 0;
4044                 }
4045
4046                 /* Requeue all commands in outstanding command list. */
4047                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4048         }
4049 }
4050
4051 /*
4052 *  qla2x00_abort_isp
4053 *      Resets ISP and aborts all outstanding commands.
4054 *
4055 * Input:
4056 *      ha           = adapter block pointer.
4057 *
4058 * Returns:
4059 *      0 = success
4060 */
4061 int
4062 qla2x00_abort_isp(scsi_qla_host_t *vha)
4063 {
4064         int rval;
4065         uint8_t        status = 0;
4066         struct qla_hw_data *ha = vha->hw;
4067         struct scsi_qla_host *vp;
4068         struct req_que *req = ha->req_q_map[0];
4069         unsigned long flags;
4070
4071         if (vha->flags.online) {
4072                 qla2x00_abort_isp_cleanup(vha);
4073
4074                 if (unlikely(pci_channel_offline(ha->pdev) &&
4075                     ha->flags.pci_channel_io_perm_failure)) {
4076                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4077                         status = 0;
4078                         return status;
4079                 }
4080
4081                 ha->isp_ops->get_flash_version(vha, req->ring);
4082
4083                 ha->isp_ops->nvram_config(vha);
4084
4085                 if (!qla2x00_restart_isp(vha)) {
4086                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4087
4088                         if (!atomic_read(&vha->loop_down_timer)) {
4089                                 /*
4090                                  * Issue marker command only when we are going
4091                                  * to start the I/O .
4092                                  */
4093                                 vha->marker_needed = 1;
4094                         }
4095
4096                         vha->flags.online = 1;
4097
4098                         ha->isp_ops->enable_intrs(ha);
4099
4100                         ha->isp_abort_cnt = 0;
4101                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4102
4103                         if (IS_QLA81XX(ha))
4104                                 qla2x00_get_fw_version(vha,
4105                                     &ha->fw_major_version,
4106                                     &ha->fw_minor_version,
4107                                     &ha->fw_subminor_version,
4108                                     &ha->fw_attributes, &ha->fw_memory_size,
4109                                     ha->mpi_version, &ha->mpi_capabilities,
4110                                     ha->phy_version);
4111
4112                         if (ha->fce) {
4113                                 ha->flags.fce_enabled = 1;
4114                                 memset(ha->fce, 0,
4115                                     fce_calc_size(ha->fce_bufs));
4116                                 rval = qla2x00_enable_fce_trace(vha,
4117                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4118                                     &ha->fce_bufs);
4119                                 if (rval) {
4120                                         ql_log(ql_log_warn, vha, 0x8033,
4121                                             "Unable to reinitialize FCE "
4122                                             "(%d).\n", rval);
4123                                         ha->flags.fce_enabled = 0;
4124                                 }
4125                         }
4126
4127                         if (ha->eft) {
4128                                 memset(ha->eft, 0, EFT_SIZE);
4129                                 rval = qla2x00_enable_eft_trace(vha,
4130                                     ha->eft_dma, EFT_NUM_BUFFERS);
4131                                 if (rval) {
4132                                         ql_log(ql_log_warn, vha, 0x8034,
4133                                             "Unable to reinitialize EFT "
4134                                             "(%d).\n", rval);
4135                                 }
4136                         }
4137                 } else {        /* failed the ISP abort */
4138                         vha->flags.online = 1;
4139                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4140                                 if (ha->isp_abort_cnt == 0) {
4141                                         ql_log(ql_log_fatal, vha, 0x8035,
4142                                             "ISP error recover failed - "
4143                                             "board disabled.\n");
4144                                         /*
4145                                          * The next call disables the board
4146                                          * completely.
4147                                          */
4148                                         ha->isp_ops->reset_adapter(vha);
4149                                         vha->flags.online = 0;
4150                                         clear_bit(ISP_ABORT_RETRY,
4151                                             &vha->dpc_flags);
4152                                         status = 0;
4153                                 } else { /* schedule another ISP abort */
4154                                         ha->isp_abort_cnt--;
4155                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
4156                                             "ISP abort - retry remaining %d.\n",
4157                                             ha->isp_abort_cnt);
4158                                         status = 1;
4159                                 }
4160                         } else {
4161                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4162                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4163                                     "ISP error recovery - retrying (%d) "
4164                                     "more times.\n", ha->isp_abort_cnt);
4165                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4166                                 status = 1;
4167                         }
4168                 }
4169
4170         }
4171
4172         if (!status) {
4173                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4174
4175                 spin_lock_irqsave(&ha->vport_slock, flags);
4176                 list_for_each_entry(vp, &ha->vp_list, list) {
4177                         if (vp->vp_idx) {
4178                                 atomic_inc(&vp->vref_count);
4179                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4180
4181                                 qla2x00_vp_abort_isp(vp);
4182
4183                                 spin_lock_irqsave(&ha->vport_slock, flags);
4184                                 atomic_dec(&vp->vref_count);
4185                         }
4186                 }
4187                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4188
4189         } else {
4190                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n");
4191         }
4192
4193         return(status);
4194 }
4195
4196 /*
4197 *  qla2x00_restart_isp
4198 *      restarts the ISP after a reset
4199 *
4200 * Input:
4201 *      ha = adapter block pointer.
4202 *
4203 * Returns:
4204 *      0 = success
4205 */
4206 static int
4207 qla2x00_restart_isp(scsi_qla_host_t *vha)
4208 {
4209         int status = 0;
4210         uint32_t wait_time;
4211         struct qla_hw_data *ha = vha->hw;
4212         struct req_que *req = ha->req_q_map[0];
4213         struct rsp_que *rsp = ha->rsp_q_map[0];
4214
4215         /* If firmware needs to be loaded */
4216         if (qla2x00_isp_firmware(vha)) {
4217                 vha->flags.online = 0;
4218                 status = ha->isp_ops->chip_diag(vha);
4219                 if (!status)
4220                         status = qla2x00_setup_chip(vha);
4221         }
4222
4223         if (!status && !(status = qla2x00_init_rings(vha))) {
4224                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4225                 ha->flags.chip_reset_done = 1;
4226                 /* Initialize the queues in use */
4227                 qla25xx_init_queues(ha);
4228
4229                 status = qla2x00_fw_ready(vha);
4230                 if (!status) {
4231                         ql_dbg(ql_dbg_taskm, vha, 0x8031,
4232                             "Start configure loop status = %d.\n", status);
4233
4234                         /* Issue a marker after FW becomes ready. */
4235                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4236
4237                         vha->flags.online = 1;
4238                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4239                         wait_time = 256;
4240                         do {
4241                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4242                                 qla2x00_configure_loop(vha);
4243                                 wait_time--;
4244                         } while (!atomic_read(&vha->loop_down_timer) &&
4245                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4246                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4247                                 &vha->dpc_flags)));
4248                 }
4249
4250                 /* if no cable then assume it's good */
4251                 if ((vha->device_flags & DFLG_NO_CABLE))
4252                         status = 0;
4253
4254                 ql_dbg(ql_dbg_taskm, vha, 0x8032,
4255                     "Configure loop done, status = 0x%x.\n", status);
4256         }
4257         return (status);
4258 }
4259
4260 static int
4261 qla25xx_init_queues(struct qla_hw_data *ha)
4262 {
4263         struct rsp_que *rsp = NULL;
4264         struct req_que *req = NULL;
4265         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4266         int ret = -1;
4267         int i;
4268
4269         for (i = 1; i < ha->max_rsp_queues; i++) {
4270                 rsp = ha->rsp_q_map[i];
4271                 if (rsp) {
4272                         rsp->options &= ~BIT_0;
4273                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4274                         if (ret != QLA_SUCCESS)
4275                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4276                                     "%s Rsp que: %d init failed.\n",
4277                                     __func__, rsp->id);
4278                         else
4279                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4280                                     "%s Rsp que: %d inited.\n",
4281                                     __func__, rsp->id);
4282                 }
4283         }
4284         for (i = 1; i < ha->max_req_queues; i++) {
4285                 req = ha->req_q_map[i];
4286                 if (req) {
4287                 /* Clear outstanding commands array. */
4288                         req->options &= ~BIT_0;
4289                         ret = qla25xx_init_req_que(base_vha, req);
4290                         if (ret != QLA_SUCCESS)
4291                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4292                                     "%s Req que: %d init failed.\n",
4293                                     __func__, req->id);
4294                         else
4295                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4296                                     "%s Req que: %d inited.\n",
4297                                     __func__, req->id);
4298                 }
4299         }
4300         return ret;
4301 }
4302
4303 /*
4304 * qla2x00_reset_adapter
4305 *      Reset adapter.
4306 *
4307 * Input:
4308 *      ha = adapter block pointer.
4309 */
4310 void
4311 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4312 {
4313         unsigned long flags = 0;
4314         struct qla_hw_data *ha = vha->hw;
4315         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4316
4317         vha->flags.online = 0;
4318         ha->isp_ops->disable_intrs(ha);
4319
4320         spin_lock_irqsave(&ha->hardware_lock, flags);
4321         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4322         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4323         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4324         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4325         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4326 }
4327
4328 void
4329 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4330 {
4331         unsigned long flags = 0;
4332         struct qla_hw_data *ha = vha->hw;
4333         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4334
4335         if (IS_QLA82XX(ha))
4336                 return;
4337
4338         vha->flags.online = 0;
4339         ha->isp_ops->disable_intrs(ha);
4340
4341         spin_lock_irqsave(&ha->hardware_lock, flags);
4342         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4343         RD_REG_DWORD(&reg->hccr);
4344         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4345         RD_REG_DWORD(&reg->hccr);
4346         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4347
4348         if (IS_NOPOLLING_TYPE(ha))
4349                 ha->isp_ops->enable_intrs(ha);
4350 }
4351
4352 /* On sparc systems, obtain port and node WWN from firmware
4353  * properties.
4354  */
4355 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4356         struct nvram_24xx *nv)
4357 {
4358 #ifdef CONFIG_SPARC
4359         struct qla_hw_data *ha = vha->hw;
4360         struct pci_dev *pdev = ha->pdev;
4361         struct device_node *dp = pci_device_to_OF_node(pdev);
4362         const u8 *val;
4363         int len;
4364
4365         val = of_get_property(dp, "port-wwn", &len);
4366         if (val && len >= WWN_SIZE)
4367                 memcpy(nv->port_name, val, WWN_SIZE);
4368
4369         val = of_get_property(dp, "node-wwn", &len);
4370         if (val && len >= WWN_SIZE)
4371                 memcpy(nv->node_name, val, WWN_SIZE);
4372 #endif
4373 }
4374
4375 int
4376 qla24xx_nvram_config(scsi_qla_host_t *vha)
4377 {
4378         int   rval;
4379         struct init_cb_24xx *icb;
4380         struct nvram_24xx *nv;
4381         uint32_t *dptr;
4382         uint8_t  *dptr1, *dptr2;
4383         uint32_t chksum;
4384         uint16_t cnt;
4385         struct qla_hw_data *ha = vha->hw;
4386
4387         rval = QLA_SUCCESS;
4388         icb = (struct init_cb_24xx *)ha->init_cb;
4389         nv = ha->nvram;
4390
4391         /* Determine NVRAM starting address. */
4392         if (ha->flags.port0) {
4393                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4394                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4395         } else {
4396                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4397                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4398         }
4399         ha->nvram_size = sizeof(struct nvram_24xx);
4400         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4401         if (IS_QLA82XX(ha))
4402                 ha->vpd_size = FA_VPD_SIZE_82XX;
4403
4404         /* Get VPD data into cache */
4405         ha->vpd = ha->nvram + VPD_OFFSET;
4406         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4407             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4408
4409         /* Get NVRAM data into cache and calculate checksum. */
4410         dptr = (uint32_t *)nv;
4411         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4412             ha->nvram_size);
4413         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4414                 chksum += le32_to_cpu(*dptr++);
4415
4416         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
4417             "Contents of NVRAM\n");
4418         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
4419             (uint8_t *)nv, ha->nvram_size);
4420
4421         /* Bad NVRAM data, set defaults parameters. */
4422         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4423             || nv->id[3] != ' ' ||
4424             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4425                 /* Reset NVRAM data. */
4426                 ql_log(ql_log_warn, vha, 0x006b,
4427                     "Inconisistent NVRAM detected: checksum=0x%x id=%c "
4428                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
4429                 ql_log(ql_log_warn, vha, 0x006c,
4430                     "Falling back to functioning (yet invalid -- WWPN) "
4431                     "defaults.\n");
4432
4433                 /*
4434                  * Set default initialization control block.
4435                  */
4436                 memset(nv, 0, ha->nvram_size);
4437                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4438                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4439                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4440                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4441                 nv->exchange_count = __constant_cpu_to_le16(0);
4442                 nv->hard_address = __constant_cpu_to_le16(124);
4443                 nv->port_name[0] = 0x21;
4444                 nv->port_name[1] = 0x00 + ha->port_no;
4445                 nv->port_name[2] = 0x00;
4446                 nv->port_name[3] = 0xe0;
4447                 nv->port_name[4] = 0x8b;
4448                 nv->port_name[5] = 0x1c;
4449                 nv->port_name[6] = 0x55;
4450                 nv->port_name[7] = 0x86;
4451                 nv->node_name[0] = 0x20;
4452                 nv->node_name[1] = 0x00;
4453                 nv->node_name[2] = 0x00;
4454                 nv->node_name[3] = 0xe0;
4455                 nv->node_name[4] = 0x8b;
4456                 nv->node_name[5] = 0x1c;
4457                 nv->node_name[6] = 0x55;
4458                 nv->node_name[7] = 0x86;
4459                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4460                 nv->login_retry_count = __constant_cpu_to_le16(8);
4461                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4462                 nv->login_timeout = __constant_cpu_to_le16(0);
4463                 nv->firmware_options_1 =
4464                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4465                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4466                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4467                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4468                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4469                 nv->efi_parameters = __constant_cpu_to_le32(0);
4470                 nv->reset_delay = 5;
4471                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4472                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4473                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4474
4475                 rval = 1;
4476         }
4477
4478         /* Reset Initialization control block */
4479         memset(icb, 0, ha->init_cb_size);
4480
4481         /* Copy 1st segment. */
4482         dptr1 = (uint8_t *)icb;
4483         dptr2 = (uint8_t *)&nv->version;
4484         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4485         while (cnt--)
4486                 *dptr1++ = *dptr2++;
4487
4488         icb->login_retry_count = nv->login_retry_count;
4489         icb->link_down_on_nos = nv->link_down_on_nos;
4490
4491         /* Copy 2nd segment. */
4492         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4493         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4494         cnt = (uint8_t *)&icb->reserved_3 -
4495             (uint8_t *)&icb->interrupt_delay_timer;
4496         while (cnt--)
4497                 *dptr1++ = *dptr2++;
4498
4499         /*
4500          * Setup driver NVRAM options.
4501          */
4502         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4503             "QLA2462");
4504
4505         /* Use alternate WWN? */
4506         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4507                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4508                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4509         }
4510
4511         /* Prepare nodename */
4512         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4513                 /*
4514                  * Firmware will apply the following mask if the nodename was
4515                  * not provided.
4516                  */
4517                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4518                 icb->node_name[0] &= 0xF0;
4519         }
4520
4521         /* Set host adapter parameters. */
4522         ha->flags.disable_risc_code_load = 0;
4523         ha->flags.enable_lip_reset = 0;
4524         ha->flags.enable_lip_full_login =
4525             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4526         ha->flags.enable_target_reset =
4527             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4528         ha->flags.enable_led_scheme = 0;
4529         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4530
4531         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4532             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4533
4534         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4535             sizeof(ha->fw_seriallink_options24));
4536
4537         /* save HBA serial number */
4538         ha->serial0 = icb->port_name[5];
4539         ha->serial1 = icb->port_name[6];
4540         ha->serial2 = icb->port_name[7];
4541         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4542         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4543
4544         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4545
4546         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4547
4548         /* Set minimum login_timeout to 4 seconds. */
4549         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4550                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4551         if (le16_to_cpu(nv->login_timeout) < 4)
4552                 nv->login_timeout = __constant_cpu_to_le16(4);
4553         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4554         icb->login_timeout = nv->login_timeout;
4555
4556         /* Set minimum RATOV to 100 tenths of a second. */
4557         ha->r_a_tov = 100;
4558
4559         ha->loop_reset_delay = nv->reset_delay;
4560
4561         /* Link Down Timeout = 0:
4562          *
4563          *      When Port Down timer expires we will start returning
4564          *      I/O's to OS with "DID_NO_CONNECT".
4565          *
4566          * Link Down Timeout != 0:
4567          *
4568          *       The driver waits for the link to come up after link down
4569          *       before returning I/Os to OS with "DID_NO_CONNECT".
4570          */
4571         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4572                 ha->loop_down_abort_time =
4573                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4574         } else {
4575                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4576                 ha->loop_down_abort_time =
4577                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4578         }
4579
4580         /* Need enough time to try and get the port back. */
4581         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4582         if (qlport_down_retry)
4583                 ha->port_down_retry_count = qlport_down_retry;
4584
4585         /* Set login_retry_count */
4586         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4587         if (ha->port_down_retry_count ==
4588             le16_to_cpu(nv->port_down_retry_count) &&
4589             ha->port_down_retry_count > 3)
4590                 ha->login_retry_count = ha->port_down_retry_count;
4591         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4592                 ha->login_retry_count = ha->port_down_retry_count;
4593         if (ql2xloginretrycount)
4594                 ha->login_retry_count = ql2xloginretrycount;
4595
4596         /* Enable ZIO. */
4597         if (!vha->flags.init_done) {
4598                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4599                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4600                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4601                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4602         }
4603         icb->firmware_options_2 &= __constant_cpu_to_le32(
4604             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4605         vha->flags.process_response_queue = 0;
4606         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4607                 ha->zio_mode = QLA_ZIO_MODE_6;
4608
4609                 ql_log(ql_log_info, vha, 0x006f,
4610                     "ZIO mode %d enabled; timer delay (%d us).\n",
4611                     ha->zio_mode, ha->zio_timer * 100);
4612
4613                 icb->firmware_options_2 |= cpu_to_le32(
4614                     (uint32_t)ha->zio_mode);
4615                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4616                 vha->flags.process_response_queue = 1;
4617         }
4618
4619         if (rval) {
4620                 ql_log(ql_log_warn, vha, 0x0070,
4621                     "NVRAM configuration failed.\n");
4622         }
4623         return (rval);
4624 }
4625
4626 static int
4627 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4628     uint32_t faddr)
4629 {
4630         int     rval = QLA_SUCCESS;
4631         int     segments, fragment;
4632         uint32_t *dcode, dlen;
4633         uint32_t risc_addr;
4634         uint32_t risc_size;
4635         uint32_t i;
4636         struct qla_hw_data *ha = vha->hw;
4637         struct req_que *req = ha->req_q_map[0];
4638
4639         ql_dbg(ql_dbg_init, vha, 0x008b,
4640             "Loading firmware from flash (%x).\n", faddr);
4641
4642         rval = QLA_SUCCESS;
4643
4644         segments = FA_RISC_CODE_SEGMENTS;
4645         dcode = (uint32_t *)req->ring;
4646         *srisc_addr = 0;
4647
4648         /* Validate firmware image by checking version. */
4649         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4650         for (i = 0; i < 4; i++)
4651                 dcode[i] = be32_to_cpu(dcode[i]);
4652         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4653             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4654             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4655                 dcode[3] == 0)) {
4656                 ql_log(ql_log_fatal, vha, 0x008c,
4657                     "Unable to verify the integrity of flash firmware "
4658                     "image.\n");
4659                 ql_log(ql_log_fatal, vha, 0x008d,
4660                     "Firmware data: %08x %08x %08x %08x.\n",
4661                     dcode[0], dcode[1], dcode[2], dcode[3]);
4662
4663                 return QLA_FUNCTION_FAILED;
4664         }
4665
4666         while (segments && rval == QLA_SUCCESS) {
4667                 /* Read segment's load information. */
4668                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4669
4670                 risc_addr = be32_to_cpu(dcode[2]);
4671                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4672                 risc_size = be32_to_cpu(dcode[3]);
4673
4674                 fragment = 0;
4675                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4676                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4677                         if (dlen > risc_size)
4678                                 dlen = risc_size;
4679
4680                         ql_dbg(ql_dbg_init, vha, 0x008e,
4681                             "Loading risc segment@ risc addr %x "
4682                             "number of dwords 0x%x offset 0x%x.\n",
4683                             risc_addr, dlen, faddr);
4684
4685                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4686                         for (i = 0; i < dlen; i++)
4687                                 dcode[i] = swab32(dcode[i]);
4688
4689                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4690                             dlen);
4691                         if (rval) {
4692                                 ql_log(ql_log_fatal, vha, 0x008f,
4693                                     "Failed to load segment %d of firmware.\n",
4694                                     fragment);
4695                                 break;
4696                         }
4697
4698                         faddr += dlen;
4699                         risc_addr += dlen;
4700                         risc_size -= dlen;
4701                         fragment++;
4702                 }
4703
4704                 /* Next segment. */
4705                 segments--;
4706         }
4707
4708         return rval;
4709 }
4710
4711 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4712
4713 int
4714 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4715 {
4716         int     rval;
4717         int     i, fragment;
4718         uint16_t *wcode, *fwcode;
4719         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4720         struct fw_blob *blob;
4721         struct qla_hw_data *ha = vha->hw;
4722         struct req_que *req = ha->req_q_map[0];
4723
4724         /* Load firmware blob. */
4725         blob = qla2x00_request_firmware(vha);
4726         if (!blob) {
4727                 ql_log(ql_log_info, vha, 0x0083,
4728                     "Fimware image unavailable.\n");
4729                 ql_log(ql_log_info, vha, 0x0084,
4730                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
4731                 return QLA_FUNCTION_FAILED;
4732         }
4733
4734         rval = QLA_SUCCESS;
4735
4736         wcode = (uint16_t *)req->ring;
4737         *srisc_addr = 0;
4738         fwcode = (uint16_t *)blob->fw->data;
4739         fwclen = 0;
4740
4741         /* Validate firmware image by checking version. */
4742         if (blob->fw->size < 8 * sizeof(uint16_t)) {
4743                 ql_log(ql_log_fatal, vha, 0x0085,
4744                     "Unable to verify integrity of firmware image (%Zd).\n",
4745                     blob->fw->size);
4746                 goto fail_fw_integrity;
4747         }
4748         for (i = 0; i < 4; i++)
4749                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4750         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4751             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4752                 wcode[2] == 0 && wcode[3] == 0)) {
4753                 ql_log(ql_log_fatal, vha, 0x0086,
4754                     "Unable to verify integrity of firmware image.\n");
4755                 ql_log(ql_log_fatal, vha, 0x0087,
4756                     "Firmware data: %04x %04x %04x %04x.\n",
4757                     wcode[0], wcode[1], wcode[2], wcode[3]);
4758                 goto fail_fw_integrity;
4759         }
4760
4761         seg = blob->segs;
4762         while (*seg && rval == QLA_SUCCESS) {
4763                 risc_addr = *seg;
4764                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4765                 risc_size = be16_to_cpu(fwcode[3]);
4766
4767                 /* Validate firmware image size. */
4768                 fwclen += risc_size * sizeof(uint16_t);
4769                 if (blob->fw->size < fwclen) {
4770                         ql_log(ql_log_fatal, vha, 0x0088,
4771                             "Unable to verify integrity of firmware image "
4772                             "(%Zd).\n", blob->fw->size);
4773                         goto fail_fw_integrity;
4774                 }
4775
4776                 fragment = 0;
4777                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4778                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4779                         if (wlen > risc_size)
4780                                 wlen = risc_size;
4781                         ql_dbg(ql_dbg_init, vha, 0x0089,
4782                             "Loading risc segment@ risc addr %x number of "
4783                             "words 0x%x.\n", risc_addr, wlen);
4784
4785                         for (i = 0; i < wlen; i++)
4786                                 wcode[i] = swab16(fwcode[i]);
4787
4788                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4789                             wlen);
4790                         if (rval) {
4791                                 ql_log(ql_log_fatal, vha, 0x008a,
4792                                     "Failed to load segment %d of firmware.\n",
4793                                     fragment);
4794                                 break;
4795                         }
4796
4797                         fwcode += wlen;
4798                         risc_addr += wlen;
4799                         risc_size -= wlen;
4800                         fragment++;
4801                 }
4802
4803                 /* Next segment. */
4804                 seg++;
4805         }
4806         return rval;
4807
4808 fail_fw_integrity:
4809         return QLA_FUNCTION_FAILED;
4810 }
4811
4812 static int
4813 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4814 {
4815         int     rval;
4816         int     segments, fragment;
4817         uint32_t *dcode, dlen;
4818         uint32_t risc_addr;
4819         uint32_t risc_size;
4820         uint32_t i;
4821         struct fw_blob *blob;
4822         uint32_t *fwcode, fwclen;
4823         struct qla_hw_data *ha = vha->hw;
4824         struct req_que *req = ha->req_q_map[0];
4825
4826         /* Load firmware blob. */
4827         blob = qla2x00_request_firmware(vha);
4828         if (!blob) {
4829                 ql_log(ql_log_warn, vha, 0x0090,
4830                     "Fimware image unavailable.\n");
4831                 ql_log(ql_log_warn, vha, 0x0091,
4832                     "Firmware images can be retrieved from: "
4833                     QLA_FW_URL ".\n");
4834
4835                 return QLA_FUNCTION_FAILED;
4836         }
4837
4838         ql_log(ql_log_info, vha, 0x0092,
4839             "Loading via request-firmware.\n");
4840
4841         rval = QLA_SUCCESS;
4842
4843         segments = FA_RISC_CODE_SEGMENTS;
4844         dcode = (uint32_t *)req->ring;
4845         *srisc_addr = 0;
4846         fwcode = (uint32_t *)blob->fw->data;
4847         fwclen = 0;
4848
4849         /* Validate firmware image by checking version. */
4850         if (blob->fw->size < 8 * sizeof(uint32_t)) {
4851                 ql_log(ql_log_fatal, vha, 0x0093,
4852                     "Unable to verify integrity of firmware image (%Zd).\n",
4853                     blob->fw->size);
4854                 goto fail_fw_integrity;
4855         }
4856         for (i = 0; i < 4; i++)
4857                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4858         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4859             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4860             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4861                 dcode[3] == 0)) {
4862                 ql_log(ql_log_fatal, vha, 0x0094,
4863                     "Unable to verify integrity of firmware image (%Zd).\n",
4864                     blob->fw->size);
4865                 ql_log(ql_log_fatal, vha, 0x0095,
4866                     "Firmware data: %08x %08x %08x %08x.\n",
4867                     dcode[0], dcode[1], dcode[2], dcode[3]);
4868                 goto fail_fw_integrity;
4869         }
4870
4871         while (segments && rval == QLA_SUCCESS) {
4872                 risc_addr = be32_to_cpu(fwcode[2]);
4873                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4874                 risc_size = be32_to_cpu(fwcode[3]);
4875
4876                 /* Validate firmware image size. */
4877                 fwclen += risc_size * sizeof(uint32_t);
4878                 if (blob->fw->size < fwclen) {
4879                         ql_log(ql_log_fatal, vha, 0x0096,
4880                             "Unable to verify integrity of firmware image "
4881                             "(%Zd).\n", blob->fw->size);
4882
4883                         goto fail_fw_integrity;
4884                 }
4885
4886                 fragment = 0;
4887                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4888                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4889                         if (dlen > risc_size)
4890                                 dlen = risc_size;
4891
4892                         ql_dbg(ql_dbg_init, vha, 0x0097,
4893                             "Loading risc segment@ risc addr %x "
4894                             "number of dwords 0x%x.\n", risc_addr, dlen);
4895
4896                         for (i = 0; i < dlen; i++)
4897                                 dcode[i] = swab32(fwcode[i]);
4898
4899                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4900                             dlen);
4901                         if (rval) {
4902                                 ql_log(ql_log_fatal, vha, 0x0098,
4903                                     "Failed to load segment %d of firmware.\n",
4904                                     fragment);
4905                                 break;
4906                         }
4907
4908                         fwcode += dlen;
4909                         risc_addr += dlen;
4910                         risc_size -= dlen;
4911                         fragment++;
4912                 }
4913
4914                 /* Next segment. */
4915                 segments--;
4916         }
4917         return rval;
4918
4919 fail_fw_integrity:
4920         return QLA_FUNCTION_FAILED;
4921 }
4922
4923 int
4924 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4925 {
4926         int rval;
4927
4928         if (ql2xfwloadbin == 1)
4929                 return qla81xx_load_risc(vha, srisc_addr);
4930
4931         /*
4932          * FW Load priority:
4933          * 1) Firmware via request-firmware interface (.bin file).
4934          * 2) Firmware residing in flash.
4935          */
4936         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4937         if (rval == QLA_SUCCESS)
4938                 return rval;
4939
4940         return qla24xx_load_risc_flash(vha, srisc_addr,
4941             vha->hw->flt_region_fw);
4942 }
4943
4944 int
4945 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4946 {
4947         int rval;
4948         struct qla_hw_data *ha = vha->hw;
4949
4950         if (ql2xfwloadbin == 2)
4951                 goto try_blob_fw;
4952
4953         /*
4954          * FW Load priority:
4955          * 1) Firmware residing in flash.
4956          * 2) Firmware via request-firmware interface (.bin file).
4957          * 3) Golden-Firmware residing in flash -- limited operation.
4958          */
4959         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4960         if (rval == QLA_SUCCESS)
4961                 return rval;
4962
4963 try_blob_fw:
4964         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4965         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4966                 return rval;
4967
4968         ql_log(ql_log_info, vha, 0x0099,
4969             "Attempting to fallback to golden firmware.\n");
4970         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4971         if (rval != QLA_SUCCESS)
4972                 return rval;
4973
4974         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
4975         ha->flags.running_gold_fw = 1;
4976
4977         return rval;
4978 }
4979
4980 void
4981 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4982 {
4983         int ret, retries;
4984         struct qla_hw_data *ha = vha->hw;
4985
4986         if (ha->flags.pci_channel_io_perm_failure)
4987                 return;
4988         if (!IS_FWI2_CAPABLE(ha))
4989                 return;
4990         if (!ha->fw_major_version)
4991                 return;
4992
4993         ret = qla2x00_stop_firmware(vha);
4994         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4995             ret != QLA_INVALID_COMMAND && retries ; retries--) {
4996                 ha->isp_ops->reset_chip(vha);
4997                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4998                         continue;
4999                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5000                         continue;
5001                 ql_log(ql_log_info, vha, 0x8015,
5002                     "Attempting retry of stop-firmware command.\n");
5003                 ret = qla2x00_stop_firmware(vha);
5004         }
5005 }
5006
5007 int
5008 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5009 {
5010         int rval = QLA_SUCCESS;
5011         uint16_t mb[MAILBOX_REGISTER_COUNT];
5012         struct qla_hw_data *ha = vha->hw;
5013         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5014         struct req_que *req;
5015         struct rsp_que *rsp;
5016
5017         if (!vha->vp_idx)
5018                 return -EINVAL;
5019
5020         rval = qla2x00_fw_ready(base_vha);
5021         if (ha->flags.cpu_affinity_enabled)
5022                 req = ha->req_q_map[0];
5023         else
5024                 req = vha->req;
5025         rsp = req->rsp;
5026
5027         if (rval == QLA_SUCCESS) {
5028                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5029                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5030         }
5031
5032         vha->flags.management_server_logged_in = 0;
5033
5034         /* Login to SNS first */
5035         ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
5036         if (mb[0] != MBS_COMMAND_COMPLETE) {
5037                 ql_dbg(ql_dbg_init, vha, 0x0103,
5038                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
5039                     "mb[6]=%x mb[7]=%x.\n",
5040                     NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5041                 return (QLA_FUNCTION_FAILED);
5042         }
5043
5044         atomic_set(&vha->loop_down_timer, 0);
5045         atomic_set(&vha->loop_state, LOOP_UP);
5046         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5047         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5048         rval = qla2x00_loop_resync(base_vha);
5049
5050         return rval;
5051 }
5052
5053 /* 84XX Support **************************************************************/
5054
5055 static LIST_HEAD(qla_cs84xx_list);
5056 static DEFINE_MUTEX(qla_cs84xx_mutex);
5057
5058 static struct qla_chip_state_84xx *
5059 qla84xx_get_chip(struct scsi_qla_host *vha)
5060 {
5061         struct qla_chip_state_84xx *cs84xx;
5062         struct qla_hw_data *ha = vha->hw;
5063
5064         mutex_lock(&qla_cs84xx_mutex);
5065
5066         /* Find any shared 84xx chip. */
5067         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5068                 if (cs84xx->bus == ha->pdev->bus) {
5069                         kref_get(&cs84xx->kref);
5070                         goto done;
5071                 }
5072         }
5073
5074         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5075         if (!cs84xx)
5076                 goto done;
5077
5078         kref_init(&cs84xx->kref);
5079         spin_lock_init(&cs84xx->access_lock);
5080         mutex_init(&cs84xx->fw_update_mutex);
5081         cs84xx->bus = ha->pdev->bus;
5082
5083         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5084 done:
5085         mutex_unlock(&qla_cs84xx_mutex);
5086         return cs84xx;
5087 }
5088
5089 static void
5090 __qla84xx_chip_release(struct kref *kref)
5091 {
5092         struct qla_chip_state_84xx *cs84xx =
5093             container_of(kref, struct qla_chip_state_84xx, kref);
5094
5095         mutex_lock(&qla_cs84xx_mutex);
5096         list_del(&cs84xx->list);
5097         mutex_unlock(&qla_cs84xx_mutex);
5098         kfree(cs84xx);
5099 }
5100
5101 void
5102 qla84xx_put_chip(struct scsi_qla_host *vha)
5103 {
5104         struct qla_hw_data *ha = vha->hw;
5105         if (ha->cs84xx)
5106                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5107 }
5108
5109 static int
5110 qla84xx_init_chip(scsi_qla_host_t *vha)
5111 {
5112         int rval;
5113         uint16_t status[2];
5114         struct qla_hw_data *ha = vha->hw;
5115
5116         mutex_lock(&ha->cs84xx->fw_update_mutex);
5117
5118         rval = qla84xx_verify_chip(vha, status);
5119
5120         mutex_unlock(&ha->cs84xx->fw_update_mutex);
5121
5122         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5123             QLA_SUCCESS;
5124 }
5125
5126 /* 81XX Support **************************************************************/
5127
5128 int
5129 qla81xx_nvram_config(scsi_qla_host_t *vha)
5130 {
5131         int   rval;
5132         struct init_cb_81xx *icb;
5133         struct nvram_81xx *nv;
5134         uint32_t *dptr;
5135         uint8_t  *dptr1, *dptr2;
5136         uint32_t chksum;
5137         uint16_t cnt;
5138         struct qla_hw_data *ha = vha->hw;
5139
5140         rval = QLA_SUCCESS;
5141         icb = (struct init_cb_81xx *)ha->init_cb;
5142         nv = ha->nvram;
5143
5144         /* Determine NVRAM starting address. */
5145         ha->nvram_size = sizeof(struct nvram_81xx);
5146         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5147
5148         /* Get VPD data into cache */
5149         ha->vpd = ha->nvram + VPD_OFFSET;
5150         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5151             ha->vpd_size);
5152
5153         /* Get NVRAM data into cache and calculate checksum. */
5154         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5155             ha->nvram_size);
5156         dptr = (uint32_t *)nv;
5157         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5158                 chksum += le32_to_cpu(*dptr++);
5159
5160         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
5161             "Contents of NVRAM:\n");
5162         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
5163             (uint8_t *)nv, ha->nvram_size);
5164
5165         /* Bad NVRAM data, set defaults parameters. */
5166         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5167             || nv->id[3] != ' ' ||
5168             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5169                 /* Reset NVRAM data. */
5170                 ql_log(ql_log_info, vha, 0x0073,
5171                     "Inconisistent NVRAM detected: checksum=0x%x id=%c "
5172                     "version=0x%x.\n", chksum, nv->id[0],
5173                     le16_to_cpu(nv->nvram_version));
5174                 ql_log(ql_log_info, vha, 0x0074,
5175                     "Falling back to functioning (yet invalid -- WWPN) "
5176                     "defaults.\n");
5177
5178                 /*
5179                  * Set default initialization control block.
5180                  */
5181                 memset(nv, 0, ha->nvram_size);
5182                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5183                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5184                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5185                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5186                 nv->exchange_count = __constant_cpu_to_le16(0);
5187                 nv->port_name[0] = 0x21;
5188                 nv->port_name[1] = 0x00 + ha->port_no;
5189                 nv->port_name[2] = 0x00;
5190                 nv->port_name[3] = 0xe0;
5191                 nv->port_name[4] = 0x8b;
5192                 nv->port_name[5] = 0x1c;
5193                 nv->port_name[6] = 0x55;
5194                 nv->port_name[7] = 0x86;
5195                 nv->node_name[0] = 0x20;
5196                 nv->node_name[1] = 0x00;
5197                 nv->node_name[2] = 0x00;
5198                 nv->node_name[3] = 0xe0;
5199                 nv->node_name[4] = 0x8b;
5200                 nv->node_name[5] = 0x1c;
5201                 nv->node_name[6] = 0x55;
5202                 nv->node_name[7] = 0x86;
5203                 nv->login_retry_count = __constant_cpu_to_le16(8);
5204                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5205                 nv->login_timeout = __constant_cpu_to_le16(0);
5206                 nv->firmware_options_1 =
5207                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5208                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5209                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5210                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5211                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5212                 nv->efi_parameters = __constant_cpu_to_le32(0);
5213                 nv->reset_delay = 5;
5214                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5215                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5216                 nv->link_down_timeout = __constant_cpu_to_le16(30);
5217                 nv->enode_mac[0] = 0x00;
5218                 nv->enode_mac[1] = 0x02;
5219                 nv->enode_mac[2] = 0x03;
5220                 nv->enode_mac[3] = 0x04;
5221                 nv->enode_mac[4] = 0x05;
5222                 nv->enode_mac[5] = 0x06 + ha->port_no;
5223
5224                 rval = 1;
5225         }
5226
5227         /* Reset Initialization control block */
5228         memset(icb, 0, ha->init_cb_size);
5229
5230         /* Copy 1st segment. */
5231         dptr1 = (uint8_t *)icb;
5232         dptr2 = (uint8_t *)&nv->version;
5233         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5234         while (cnt--)
5235                 *dptr1++ = *dptr2++;
5236
5237         icb->login_retry_count = nv->login_retry_count;
5238
5239         /* Copy 2nd segment. */
5240         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5241         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5242         cnt = (uint8_t *)&icb->reserved_5 -
5243             (uint8_t *)&icb->interrupt_delay_timer;
5244         while (cnt--)
5245                 *dptr1++ = *dptr2++;
5246
5247         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5248         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5249         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5250                 icb->enode_mac[0] = 0x01;
5251                 icb->enode_mac[1] = 0x02;
5252                 icb->enode_mac[2] = 0x03;
5253                 icb->enode_mac[3] = 0x04;
5254                 icb->enode_mac[4] = 0x05;
5255                 icb->enode_mac[5] = 0x06 + ha->port_no;
5256         }
5257
5258         /* Use extended-initialization control block. */
5259         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5260
5261         /*
5262          * Setup driver NVRAM options.
5263          */
5264         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5265             "QLE8XXX");
5266
5267         /* Use alternate WWN? */
5268         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5269                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5270                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5271         }
5272
5273         /* Prepare nodename */
5274         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5275                 /*
5276                  * Firmware will apply the following mask if the nodename was
5277                  * not provided.
5278                  */
5279                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5280                 icb->node_name[0] &= 0xF0;
5281         }
5282
5283         /* Set host adapter parameters. */
5284         ha->flags.disable_risc_code_load = 0;
5285         ha->flags.enable_lip_reset = 0;
5286         ha->flags.enable_lip_full_login =
5287             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5288         ha->flags.enable_target_reset =
5289             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5290         ha->flags.enable_led_scheme = 0;
5291         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5292
5293         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5294             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5295
5296         /* save HBA serial number */
5297         ha->serial0 = icb->port_name[5];
5298         ha->serial1 = icb->port_name[6];
5299         ha->serial2 = icb->port_name[7];
5300         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5301         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5302
5303         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5304
5305         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5306
5307         /* Set minimum login_timeout to 4 seconds. */
5308         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5309                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5310         if (le16_to_cpu(nv->login_timeout) < 4)
5311                 nv->login_timeout = __constant_cpu_to_le16(4);
5312         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5313         icb->login_timeout = nv->login_timeout;
5314
5315         /* Set minimum RATOV to 100 tenths of a second. */
5316         ha->r_a_tov = 100;
5317
5318         ha->loop_reset_delay = nv->reset_delay;
5319
5320         /* Link Down Timeout = 0:
5321          *
5322          *      When Port Down timer expires we will start returning
5323          *      I/O's to OS with "DID_NO_CONNECT".
5324          *
5325          * Link Down Timeout != 0:
5326          *
5327          *       The driver waits for the link to come up after link down
5328          *       before returning I/Os to OS with "DID_NO_CONNECT".
5329          */
5330         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5331                 ha->loop_down_abort_time =
5332                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5333         } else {
5334                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5335                 ha->loop_down_abort_time =
5336                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5337         }
5338
5339         /* Need enough time to try and get the port back. */
5340         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5341         if (qlport_down_retry)
5342                 ha->port_down_retry_count = qlport_down_retry;
5343
5344         /* Set login_retry_count */
5345         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5346         if (ha->port_down_retry_count ==
5347             le16_to_cpu(nv->port_down_retry_count) &&
5348             ha->port_down_retry_count > 3)
5349                 ha->login_retry_count = ha->port_down_retry_count;
5350         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5351                 ha->login_retry_count = ha->port_down_retry_count;
5352         if (ql2xloginretrycount)
5353                 ha->login_retry_count = ql2xloginretrycount;
5354
5355         /* Enable ZIO. */
5356         if (!vha->flags.init_done) {
5357                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5358                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5359                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5360                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5361         }
5362         icb->firmware_options_2 &= __constant_cpu_to_le32(
5363             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5364         vha->flags.process_response_queue = 0;
5365         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5366                 ha->zio_mode = QLA_ZIO_MODE_6;
5367
5368                 ql_log(ql_log_info, vha, 0x0075,
5369                     "ZIO mode %d enabled; timer delay (%d us).\n",
5370                     ha->zio_mode,
5371                     ha->zio_timer * 100);
5372
5373                 icb->firmware_options_2 |= cpu_to_le32(
5374                     (uint32_t)ha->zio_mode);
5375                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5376                 vha->flags.process_response_queue = 1;
5377         }
5378
5379         if (rval) {
5380                 ql_log(ql_log_warn, vha, 0x0076,
5381                     "NVRAM configuration failed.\n");
5382         }
5383         return (rval);
5384 }
5385
5386 int
5387 qla82xx_restart_isp(scsi_qla_host_t *vha)
5388 {
5389         int status, rval;
5390         uint32_t wait_time;
5391         struct qla_hw_data *ha = vha->hw;
5392         struct req_que *req = ha->req_q_map[0];
5393         struct rsp_que *rsp = ha->rsp_q_map[0];
5394         struct scsi_qla_host *vp;
5395         unsigned long flags;
5396
5397         status = qla2x00_init_rings(vha);
5398         if (!status) {
5399                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5400                 ha->flags.chip_reset_done = 1;
5401
5402                 status = qla2x00_fw_ready(vha);
5403                 if (!status) {
5404                         ql_log(ql_log_info, vha, 0x803c,
5405                             "Start configure loop, status =%d.\n", status);
5406
5407                         /* Issue a marker after FW becomes ready. */
5408                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5409
5410                         vha->flags.online = 1;
5411                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5412                         wait_time = 256;
5413                         do {
5414                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5415                                 qla2x00_configure_loop(vha);
5416                                 wait_time--;
5417                         } while (!atomic_read(&vha->loop_down_timer) &&
5418                             !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5419                             wait_time &&
5420                             (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5421                 }
5422
5423                 /* if no cable then assume it's good */
5424                 if ((vha->device_flags & DFLG_NO_CABLE))
5425                         status = 0;
5426
5427                 ql_log(ql_log_info, vha, 0x803d,
5428                     "Configure loop done, status = 0x%x.\n", status);
5429         }
5430
5431         if (!status) {
5432                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5433
5434                 if (!atomic_read(&vha->loop_down_timer)) {
5435                         /*
5436                          * Issue marker command only when we are going
5437                          * to start the I/O .
5438                          */
5439                         vha->marker_needed = 1;
5440                 }
5441
5442                 vha->flags.online = 1;
5443
5444                 ha->isp_ops->enable_intrs(ha);
5445
5446                 ha->isp_abort_cnt = 0;
5447                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5448
5449                 /* Update the firmware version */
5450                 status = qla82xx_check_md_needed(vha);
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 }