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->iocbs = 1;
 115         ctx->u.iocb_cmd = iocb;
 116         iocb->free = qla2x00_ctx_sp_free;
 117
 118         init_timer(&iocb->timer);
 119         if (!tmo)
 120                 goto done;
 121         iocb->timer.expires = jiffies + tmo * HZ;
 122         iocb->timer.data = (unsigned long)sp;
 123         iocb->timer.function = qla2x00_ctx_sp_timeout;
 124         add_timer(&iocb->timer);
 125 done:
 126         if (!sp)
 127                 QLA_VHA_MARK_NOT_BUSY(vha);
 128         return sp;
 129 }
 130
 131 /* Asynchronous Login/Logout Routines -------------------------------------- */
 132
 133 static inline unsigned long
 134 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
 135 {
 136         unsigned long tmo;
 137         struct qla_hw_data *ha = vha->hw;
 138
 139         /* Firmware should use switch negotiated r_a_tov for timeout. */
 140         tmo = ha->r_a_tov / 10 * 2;
 141         if (!IS_FWI2_CAPABLE(ha)) {
 142                 /*
 143                  * Except for earlier ISPs where the timeout is seeded from the
 144                  * initialization control block.
 145                  */
 146                 tmo = ha->login_timeout;
 147         }
 148         return tmo;
 149 }
 150
 151 static void
 152 qla2x00_async_iocb_timeout(srb_t *sp)
 153 {
 154         fc_port_t *fcport = sp->fcport;
 155         struct srb_ctx *ctx = sp->ctx;
 156
 157         ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
 158             "Async-%s timeout - hdl=%x portid=%02x%02x%02x.\n",
 159             ctx->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area,
 160             fcport->d_id.b.al_pa);
 161
 162         fcport->flags &= ~FCF_ASYNC_SENT;
 163         if (ctx->type == SRB_LOGIN_CMD) {
 164                 struct srb_iocb *lio = ctx->u.iocb_cmd;
 165                 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
 166                 /* Retry as needed. */
 167                 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 168                 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 169                         QLA_LOGIO_LOGIN_RETRIED : 0;
 170                 qla2x00_post_async_login_done_work(fcport->vha, fcport,
 171                         lio->u.logio.data);
 172         }
 173 }
 174
 175 static void
 176 qla2x00_async_login_ctx_done(srb_t *sp)
 177 {
 178         struct srb_ctx *ctx = sp->ctx;
 179         struct srb_iocb *lio = ctx->u.iocb_cmd;
 180
 181         qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
 182                 lio->u.logio.data);
 183         lio->free(sp);
 184 }
 185
 186 int
 187 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 188     uint16_t *data)
 189 {
 190         srb_t *sp;
 191         struct srb_ctx *ctx;
 192         struct srb_iocb *lio;
 193         int rval;
 194
 195         rval = QLA_FUNCTION_FAILED;
 196         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 197             qla2x00_get_async_timeout(vha) + 2);
 198         if (!sp)
 199                 goto done;
 200
 201         ctx = sp->ctx;
 202         ctx->type = SRB_LOGIN_CMD;
 203         ctx->name = "login";
 204         lio = ctx->u.iocb_cmd;
 205         lio->timeout = qla2x00_async_iocb_timeout;
 206         lio->done = qla2x00_async_login_ctx_done;
 207         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 208         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 209                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 210         rval = qla2x00_start_sp(sp);
 211         if (rval != QLA_SUCCESS)
 212                 goto done_free_sp;
 213
 214         ql_dbg(ql_dbg_disc, vha, 0x2072,
 215             "Async-login - hdl=%x, loopid=%x portid=%02x%02x%02x "
 216             "retries=%d.\n", sp->handle, fcport->loop_id,
 217             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 218             fcport->login_retry);
 219         return rval;
 220
 221 done_free_sp:
 222         lio->free(sp);
 223 done:
 224         return rval;
 225 }
 226
 227 static void
 228 qla2x00_async_logout_ctx_done(srb_t *sp)
 229 {
 230         struct srb_ctx *ctx = sp->ctx;
 231         struct srb_iocb *lio = ctx->u.iocb_cmd;
 232
 233         qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
 234             lio->u.logio.data);
 235         lio->free(sp);
 236 }
 237
 238 int
 239 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 240 {
 241         srb_t *sp;
 242         struct srb_ctx *ctx;
 243         struct srb_iocb *lio;
 244         int rval;
 245
 246         rval = QLA_FUNCTION_FAILED;
 247         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 248             qla2x00_get_async_timeout(vha) + 2);
 249         if (!sp)
 250                 goto done;
 251
 252         ctx = sp->ctx;
 253         ctx->type = SRB_LOGOUT_CMD;
 254         ctx->name = "logout";
 255         lio = ctx->u.iocb_cmd;
 256         lio->timeout = qla2x00_async_iocb_timeout;
 257         lio->done = qla2x00_async_logout_ctx_done;
 258         rval = qla2x00_start_sp(sp);
 259         if (rval != QLA_SUCCESS)
 260                 goto done_free_sp;
 261
 262         ql_dbg(ql_dbg_disc, vha, 0x2070,
 263             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 264             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 265             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 266         return rval;
 267
 268 done_free_sp:
 269         lio->free(sp);
 270 done:
 271         return rval;
 272 }
 273
 274 static void
 275 qla2x00_async_adisc_ctx_done(srb_t *sp)
 276 {
 277         struct srb_ctx *ctx = sp->ctx;
 278         struct srb_iocb *lio = ctx->u.iocb_cmd;
 279
 280         qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
 281             lio->u.logio.data);
 282         lio->free(sp);
 283 }
 284
 285 int
 286 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 287     uint16_t *data)
 288 {
 289         srb_t *sp;
 290         struct srb_ctx *ctx;
 291         struct srb_iocb *lio;
 292         int rval;
 293
 294         rval = QLA_FUNCTION_FAILED;
 295         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 296             qla2x00_get_async_timeout(vha) + 2);
 297         if (!sp)
 298                 goto done;
 299
 300         ctx = sp->ctx;
 301         ctx->type = SRB_ADISC_CMD;
 302         ctx->name = "adisc";
 303         lio = ctx->u.iocb_cmd;
 304         lio->timeout = qla2x00_async_iocb_timeout;
 305         lio->done = qla2x00_async_adisc_ctx_done;
 306         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 307                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 308         rval = qla2x00_start_sp(sp);
 309         if (rval != QLA_SUCCESS)
 310                 goto done_free_sp;
 311
 312         ql_dbg(ql_dbg_disc, vha, 0x206f,
 313             "Async-adisc - hdl=%x loopid=%x portid=%02x%02x%02x.\n",
 314             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 315             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 316         return rval;
 317
 318 done_free_sp:
 319         lio->free(sp);
 320 done:
 321         return rval;
 322 }
 323
 324 static void
 325 qla2x00_async_tm_cmd_ctx_done(srb_t *sp)
 326 {
 327         struct srb_ctx *ctx = sp->ctx;
 328         struct srb_iocb *iocb = (struct srb_iocb *)ctx->u.iocb_cmd;
 329
 330         qla2x00_async_tm_cmd_done(sp->fcport->vha, sp->fcport, iocb);
 331         iocb->free(sp);
 332 }
 333
 334 int
 335 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
 336         uint32_t tag)
 337 {
 338         struct scsi_qla_host *vha = fcport->vha;
 339         srb_t *sp;
 340         struct srb_ctx *ctx;
 341         struct srb_iocb *tcf;
 342         int rval;
 343
 344         rval = QLA_FUNCTION_FAILED;
 345         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 346             qla2x00_get_async_timeout(vha) + 2);
 347         if (!sp)
 348                 goto done;
 349
 350         ctx = sp->ctx;
 351         ctx->type = SRB_TM_CMD;
 352         ctx->name = "tmf";
 353         tcf = ctx->u.iocb_cmd;
 354         tcf->u.tmf.flags = flags;
 355         tcf->u.tmf.lun = lun;
 356         tcf->u.tmf.data = tag;
 357         tcf->timeout = qla2x00_async_iocb_timeout;
 358         tcf->done = qla2x00_async_tm_cmd_ctx_done;
 359
 360         rval = qla2x00_start_sp(sp);
 361         if (rval != QLA_SUCCESS)
 362                 goto done_free_sp;
 363
 364         ql_dbg(ql_dbg_taskm, vha, 0x802f,
 365             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 366             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 367             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 368         return rval;
 369
 370 done_free_sp:
 371         tcf->free(sp);
 372 done:
 373         return rval;
 374 }
 375
 376 void
 377 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 378     uint16_t *data)
 379 {
 380         int rval;
 381
 382         switch (data[0]) {
 383         case MBS_COMMAND_COMPLETE:
 384                 /*
 385                  * Driver must validate login state - If PRLI not complete,
 386                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
 387                  * requests.
 388                  */
 389                 rval = qla2x00_get_port_database(vha, fcport, 0);
 390                 if (rval != QLA_SUCCESS) {
 391                         qla2x00_post_async_logout_work(vha, fcport, NULL);
 392                         qla2x00_post_async_login_work(vha, fcport, NULL);
 393                         break;
 394                 }
 395                 if (fcport->flags & FCF_FCP2_DEVICE) {
 396                         qla2x00_post_async_adisc_work(vha, fcport, data);
 397                         break;
 398                 }
 399                 qla2x00_update_fcport(vha, fcport);
 400                 break;
 401         case MBS_COMMAND_ERROR:
 402                 fcport->flags &= ~FCF_ASYNC_SENT;
 403                 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 404                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 405                 else
 406                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 407                 break;
 408         case MBS_PORT_ID_USED:
 409                 fcport->loop_id = data[1];
 410                 qla2x00_post_async_logout_work(vha, fcport, NULL);
 411                 qla2x00_post_async_login_work(vha, fcport, NULL);
 412                 break;
 413         case MBS_LOOP_ID_USED:
 414                 fcport->loop_id++;
 415                 rval = qla2x00_find_new_loop_id(vha, fcport);
 416                 if (rval != QLA_SUCCESS) {
 417                         fcport->flags &= ~FCF_ASYNC_SENT;
 418                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 419                         break;
 420                 }
 421                 qla2x00_post_async_login_work(vha, fcport, NULL);
 422                 break;
 423         }
 424         return;
 425 }
 426
 427 void
 428 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 429     uint16_t *data)
 430 {
 431         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 432         return;
 433 }
 434
 435 void
 436 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 437     uint16_t *data)
 438 {
 439         if (data[0] == MBS_COMMAND_COMPLETE) {
 440                 qla2x00_update_fcport(vha, fcport);
 441
 442                 return;
 443         }
 444
 445         /* Retry login. */
 446         fcport->flags &= ~FCF_ASYNC_SENT;
 447         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 448                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 449         else
 450                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
 451
 452         return;
 453 }
 454
 455 void
 456 qla2x00_async_tm_cmd_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 457     struct srb_iocb *iocb)
 458 {
 459         int rval;
 460         uint32_t flags;
 461         uint16_t lun;
 462
 463         flags = iocb->u.tmf.flags;
 464         lun = (uint16_t)iocb->u.tmf.lun;
 465
 466         /* Issue Marker IOCB */
 467         rval = qla2x00_marker(vha, vha->hw->req_q_map[0],
 468                 vha->hw->rsp_q_map[0], fcport->loop_id, lun,
 469                 flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
 470
 471         if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
 472                 ql_dbg(ql_dbg_taskm, vha, 0x8030,
 473                     "TM IOCB failed (%x).\n", rval);
 474         }
 475
 476         return;
 477 }
 478
 479 /****************************************************************************/
 480 /*                QLogic ISP2x00 Hardware Support Functions.                */
 481 /****************************************************************************/
 482
 483 /*
 484 * qla2x00_initialize_adapter
 485 *      Initialize board.
 486 *
 487 * Input:
 488 *      ha = adapter block pointer.
 489 *
 490 * Returns:
 491 *      0 = success
 492 */
 493 int
 494 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 495 {
 496         int     rval;
 497         struct qla_hw_data *ha = vha->hw;
 498         struct req_que *req = ha->req_q_map[0];
 499
 500         /* Clear adapter flags. */
 501         vha->flags.online = 0;
 502         ha->flags.chip_reset_done = 0;
 503         vha->flags.reset_active = 0;
 504         ha->flags.pci_channel_io_perm_failure = 0;
 505         ha->flags.eeh_busy = 0;
 506         ha->flags.thermal_supported = 1;
 507         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 508         atomic_set(&vha->loop_state, LOOP_DOWN);
 509         vha->device_flags = DFLG_NO_CABLE;
 510         vha->dpc_flags = 0;
 511         vha->flags.management_server_logged_in = 0;
 512         vha->marker_needed = 0;
 513         ha->isp_abort_cnt = 0;
 514         ha->beacon_blink_led = 0;
 515
 516         set_bit(0, ha->req_qid_map);
 517         set_bit(0, ha->rsp_qid_map);
 518
 519         ql_dbg(ql_dbg_init, vha, 0x0040,
 520             "Configuring PCI space...\n");
 521         rval = ha->isp_ops->pci_config(vha);
 522         if (rval) {
 523                 ql_log(ql_log_warn, vha, 0x0044,
 524                     "Unable to configure PCI space.\n");
 525                 return (rval);
 526         }
 527
 528         ha->isp_ops->reset_chip(vha);
 529
 530         rval = qla2xxx_get_flash_info(vha);
 531         if (rval) {
 532                 ql_log(ql_log_fatal, vha, 0x004f,
 533                     "Unable to validate FLASH data.\n");
 534                 return (rval);
 535         }
 536
 537         ha->isp_ops->get_flash_version(vha, req->ring);
 538         ql_dbg(ql_dbg_init, vha, 0x0061,
 539             "Configure NVRAM parameters...\n");
 540
 541         ha->isp_ops->nvram_config(vha);
 542
 543         if (ha->flags.disable_serdes) {
 544                 /* Mask HBA via NVRAM settings? */
 545                 ql_log(ql_log_info, vha, 0x0077,
 546                     "Masking HBA WWPN "
 547                     "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
 548                     vha->port_name[0], vha->port_name[1],
 549                     vha->port_name[2], vha->port_name[3],
 550                     vha->port_name[4], vha->port_name[5],
 551                     vha->port_name[6], vha->port_name[7]);
 552                 return QLA_FUNCTION_FAILED;
 553         }
 554
 555         ql_dbg(ql_dbg_init, vha, 0x0078,
 556             "Verifying loaded RISC code...\n");
 557
 558         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 559                 rval = ha->isp_ops->chip_diag(vha);
 560                 if (rval)
 561                         return (rval);
 562                 rval = qla2x00_setup_chip(vha);
 563                 if (rval)
 564                         return (rval);
 565         }
 566
 567         if (IS_QLA84XX(ha)) {
 568                 ha->cs84xx = qla84xx_get_chip(vha);
 569                 if (!ha->cs84xx) {
 570                         ql_log(ql_log_warn, vha, 0x00d0,
 571                             "Unable to configure ISP84XX.\n");
 572                         return QLA_FUNCTION_FAILED;
 573                 }
 574         }
 575         rval = qla2x00_init_rings(vha);
 576         ha->flags.chip_reset_done = 1;
 577
 578         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
 579                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
 580                 rval = qla84xx_init_chip(vha);
 581                 if (rval != QLA_SUCCESS) {
 582                         ql_log(ql_log_warn, vha, 0x00d4,
 583                             "Unable to initialize ISP84XX.\n");
 584                 qla84xx_put_chip(vha);
 585                 }
 586         }
 587
 588         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
 589                 qla24xx_read_fcp_prio_cfg(vha);
 590
 591         return (rval);
 592 }
 593
 594 /**
 595  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 596  * @ha: HA context
 597  *
 598  * Returns 0 on success.
 599  */
 600 int
 601 qla2100_pci_config(scsi_qla_host_t *vha)
 602 {
 603         uint16_t w;
 604         unsigned long flags;
 605         struct qla_hw_data *ha = vha->hw;
 606         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 607
 608         pci_set_master(ha->pdev);
 609         pci_try_set_mwi(ha->pdev);
 610
 611         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 612         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 613         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 614
 615         pci_disable_rom(ha->pdev);
 616
 617         /* Get PCI bus information. */
 618         spin_lock_irqsave(&ha->hardware_lock, flags);
 619         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 620         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 621
 622         return QLA_SUCCESS;
 623 }
 624
 625 /**
 626  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 627  * @ha: HA context
 628  *
 629  * Returns 0 on success.
 630  */
 631 int
 632 qla2300_pci_config(scsi_qla_host_t *vha)
 633 {
 634         uint16_t        w;
 635         unsigned long   flags = 0;
 636         uint32_t        cnt;
 637         struct qla_hw_data *ha = vha->hw;
 638         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 639
 640         pci_set_master(ha->pdev);
 641         pci_try_set_mwi(ha->pdev);
 642
 643         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 644         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 645
 646         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 647                 w &= ~PCI_COMMAND_INTX_DISABLE;
 648         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 649
 650         /*
 651          * If this is a 2300 card and not 2312, reset the
 652          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 653          * the 2310 also reports itself as a 2300 so we need to get the
 654          * fb revision level -- a 6 indicates it really is a 2300 and
 655          * not a 2310.
 656          */
 657         if (IS_QLA2300(ha)) {
 658                 spin_lock_irqsave(&ha->hardware_lock, flags);
 659
 660                 /* Pause RISC. */
 661                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 662                 for (cnt = 0; cnt < 30000; cnt++) {
 663                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 664                                 break;
 665
 666                         udelay(10);
 667                 }
 668
 669                 /* Select FPM registers. */
 670                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 671                 RD_REG_WORD(&reg->ctrl_status);
 672
 673                 /* Get the fb rev level */
 674                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 675
 676                 if (ha->fb_rev == FPM_2300)
 677                         pci_clear_mwi(ha->pdev);
 678
 679                 /* Deselect FPM registers. */
 680                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 681                 RD_REG_WORD(&reg->ctrl_status);
 682
 683                 /* Release RISC module. */
 684                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 685                 for (cnt = 0; cnt < 30000; cnt++) {
 686                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 687                                 break;
 688
 689                         udelay(10);
 690                 }
 691
 692                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 693         }
 694
 695         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 696
 697         pci_disable_rom(ha->pdev);
 698
 699         /* Get PCI bus information. */
 700         spin_lock_irqsave(&ha->hardware_lock, flags);
 701         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 702         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 703
 704         return QLA_SUCCESS;
 705 }
 706
 707 /**
 708  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 709  * @ha: HA context
 710  *
 711  * Returns 0 on success.
 712  */
 713 int
 714 qla24xx_pci_config(scsi_qla_host_t *vha)
 715 {
 716         uint16_t w;
 717         unsigned long flags = 0;
 718         struct qla_hw_data *ha = vha->hw;
 719         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 720
 721         pci_set_master(ha->pdev);
 722         pci_try_set_mwi(ha->pdev);
 723
 724         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 725         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 726         w &= ~PCI_COMMAND_INTX_DISABLE;
 727         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 728
 729         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 730
 731         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 732         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 733                 pcix_set_mmrbc(ha->pdev, 2048);
 734
 735         /* PCIe -- adjust Maximum Read Request Size (2048). */
 736         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 737                 pcie_set_readrq(ha->pdev, 2048);
 738
 739         pci_disable_rom(ha->pdev);
 740
 741         ha->chip_revision = ha->pdev->revision;
 742
 743         /* Get PCI bus information. */
 744         spin_lock_irqsave(&ha->hardware_lock, flags);
 745         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 746         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 747
 748         return QLA_SUCCESS;
 749 }
 750
 751 /**
 752  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 753  * @ha: HA context
 754  *
 755  * Returns 0 on success.
 756  */
 757 int
 758 qla25xx_pci_config(scsi_qla_host_t *vha)
 759 {
 760         uint16_t w;
 761         struct qla_hw_data *ha = vha->hw;
 762
 763         pci_set_master(ha->pdev);
 764         pci_try_set_mwi(ha->pdev);
 765
 766         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 767         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 768         w &= ~PCI_COMMAND_INTX_DISABLE;
 769         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 770
 771         /* PCIe -- adjust Maximum Read Request Size (2048). */
 772         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 773                 pcie_set_readrq(ha->pdev, 2048);
 774
 775         pci_disable_rom(ha->pdev);
 776
 777         ha->chip_revision = ha->pdev->revision;
 778
 779         return QLA_SUCCESS;
 780 }
 781
 782 /**
 783  * qla2x00_isp_firmware() - Choose firmware image.
 784  * @ha: HA context
 785  *
 786  * Returns 0 on success.
 787  */
 788 static int
 789 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 790 {
 791         int  rval;
 792         uint16_t loop_id, topo, sw_cap;
 793         uint8_t domain, area, al_pa;
 794         struct qla_hw_data *ha = vha->hw;
 795
 796         /* Assume loading risc code */
 797         rval = QLA_FUNCTION_FAILED;
 798
 799         if (ha->flags.disable_risc_code_load) {
 800                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
 801
 802                 /* Verify checksum of loaded RISC code. */
 803                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 804                 if (rval == QLA_SUCCESS) {
 805                         /* And, verify we are not in ROM code. */
 806                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 807                             &area, &domain, &topo, &sw_cap);
 808                 }
 809         }
 810
 811         if (rval)
 812                 ql_dbg(ql_dbg_init, vha, 0x007a,
 813                     "**** Load RISC code ****.\n");
 814
 815         return (rval);
 816 }
 817
 818 /**
 819  * qla2x00_reset_chip() - Reset ISP chip.
 820  * @ha: HA context
 821  *
 822  * Returns 0 on success.
 823  */
 824 void
 825 qla2x00_reset_chip(scsi_qla_host_t *vha)
 826 {
 827         unsigned long   flags = 0;
 828         struct qla_hw_data *ha = vha->hw;
 829         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 830         uint32_t        cnt;
 831         uint16_t        cmd;
 832
 833         if (unlikely(pci_channel_offline(ha->pdev)))
 834                 return;
 835
 836         ha->isp_ops->disable_intrs(ha);
 837
 838         spin_lock_irqsave(&ha->hardware_lock, flags);
 839
 840         /* Turn off master enable */
 841         cmd = 0;
 842         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 843         cmd &= ~PCI_COMMAND_MASTER;
 844         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 845
 846         if (!IS_QLA2100(ha)) {
 847                 /* Pause RISC. */
 848                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 849                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 850                         for (cnt = 0; cnt < 30000; cnt++) {
 851                                 if ((RD_REG_WORD(&reg->hccr) &
 852                                     HCCR_RISC_PAUSE) != 0)
 853                                         break;
 854                                 udelay(100);
 855                         }
 856                 } else {
 857                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 858                         udelay(10);
 859                 }
 860
 861                 /* Select FPM registers. */
 862                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 863                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 864
 865                 /* FPM Soft Reset. */
 866                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 867                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 868
 869                 /* Toggle Fpm Reset. */
 870                 if (!IS_QLA2200(ha)) {
 871                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 872                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 873                 }
 874
 875                 /* Select frame buffer registers. */
 876                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 877                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 878
 879                 /* Reset frame buffer FIFOs. */
 880                 if (IS_QLA2200(ha)) {
 881                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 882                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 883                 } else {
 884                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 885
 886                         /* Read back fb_cmd until zero or 3 seconds max */
 887                         for (cnt = 0; cnt < 3000; cnt++) {
 888                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 889                                         break;
 890                                 udelay(100);
 891                         }
 892                 }
 893
 894                 /* Select RISC module registers. */
 895                 WRT_REG_WORD(&reg->ctrl_status, 0);
 896                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 897
 898                 /* Reset RISC processor. */
 899                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 900                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 901
 902                 /* Release RISC processor. */
 903                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 904                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 905         }
 906
 907         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 908         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 909
 910         /* Reset ISP chip. */
 911         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 912
 913         /* Wait for RISC to recover from reset. */
 914         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 915                 /*
 916                  * It is necessary to for a delay here since the card doesn't
 917                  * respond to PCI reads during a reset. On some architectures
 918                  * this will result in an MCA.
 919                  */
 920                 udelay(20);
 921                 for (cnt = 30000; cnt; cnt--) {
 922                         if ((RD_REG_WORD(&reg->ctrl_status) &
 923                             CSR_ISP_SOFT_RESET) == 0)
 924                                 break;
 925                         udelay(100);
 926                 }
 927         } else
 928                 udelay(10);
 929
 930         /* Reset RISC processor. */
 931         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 932
 933         WRT_REG_WORD(&reg->semaphore, 0);
 934
 935         /* Release RISC processor. */
 936         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 937         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 938
 939         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 940                 for (cnt = 0; cnt < 30000; cnt++) {
 941                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 942                                 break;
 943
 944                         udelay(100);
 945                 }
 946         } else
 947                 udelay(100);
 948
 949         /* Turn on master enable */
 950         cmd |= PCI_COMMAND_MASTER;
 951         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 952
 953         /* Disable RISC pause on FPM parity error. */
 954         if (!IS_QLA2100(ha)) {
 955                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
 956                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 957         }
 958
 959         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 960 }
 961
 962 /**
 963  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
 964  *
 965  * Returns 0 on success.
 966  */
 967 int
 968 qla81xx_reset_mpi(scsi_qla_host_t *vha)
 969 {
 970         uint16_t mb[4] = {0x1010, 0, 1, 0};
 971
 972         return qla81xx_write_mpi_register(vha, mb);
 973 }
 974
 975 /**
 976  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
 977  * @ha: HA context
 978  *
 979  * Returns 0 on success.
 980  */
 981 static inline void
 982 qla24xx_reset_risc(scsi_qla_host_t *vha)
 983 {
 984         unsigned long flags = 0;
 985         struct qla_hw_data *ha = vha->hw;
 986         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 987         uint32_t cnt, d2;
 988         uint16_t wd;
 989         static int abts_cnt; /* ISP abort retry counts */
 990
 991         spin_lock_irqsave(&ha->hardware_lock, flags);
 992
 993         /* Reset RISC. */
 994         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 995         for (cnt = 0; cnt < 30000; cnt++) {
 996                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
 997                         break;
 998
 999                 udelay(10);
1000         }
1001
1002         WRT_REG_DWORD(&reg->ctrl_status,
1003             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1004         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1005
1006         udelay(100);
1007         /* Wait for firmware to complete NVRAM accesses. */
1008         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1009         for (cnt = 10000 ; cnt && d2; cnt--) {
1010                 udelay(5);
1011                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1012                 barrier();
1013         }
1014
1015         /* Wait for soft-reset to complete. */
1016         d2 = RD_REG_DWORD(&reg->ctrl_status);
1017         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1018                 udelay(5);
1019                 d2 = RD_REG_DWORD(&reg->ctrl_status);
1020                 barrier();
1021         }
1022
1023         /* If required, do an MPI FW reset now */
1024         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1025                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1026                         if (++abts_cnt < 5) {
1027                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1028                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1029                         } else {
1030                                 /*
1031                                  * We exhausted the ISP abort retries. We have to
1032                                  * set the board offline.
1033                                  */
1034                                 abts_cnt = 0;
1035                                 vha->flags.online = 0;
1036                         }
1037                 }
1038         }
1039
1040         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1041         RD_REG_DWORD(&reg->hccr);
1042
1043         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1044         RD_REG_DWORD(&reg->hccr);
1045
1046         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1047         RD_REG_DWORD(&reg->hccr);
1048
1049         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1050         for (cnt = 6000000 ; cnt && d2; cnt--) {
1051                 udelay(5);
1052                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1053                 barrier();
1054         }
1055
1056         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1057
1058         if (IS_NOPOLLING_TYPE(ha))
1059                 ha->isp_ops->enable_intrs(ha);
1060 }
1061
1062 /**
1063  * qla24xx_reset_chip() - Reset ISP24xx chip.
1064  * @ha: HA context
1065  *
1066  * Returns 0 on success.
1067  */
1068 void
1069 qla24xx_reset_chip(scsi_qla_host_t *vha)
1070 {
1071         struct qla_hw_data *ha = vha->hw;
1072
1073         if (pci_channel_offline(ha->pdev) &&
1074             ha->flags.pci_channel_io_perm_failure) {
1075                 return;
1076         }
1077
1078         ha->isp_ops->disable_intrs(ha);
1079
1080         /* Perform RISC reset. */
1081         qla24xx_reset_risc(vha);
1082 }
1083
1084 /**
1085  * qla2x00_chip_diag() - Test chip for proper operation.
1086  * @ha: HA context
1087  *
1088  * Returns 0 on success.
1089  */
1090 int
1091 qla2x00_chip_diag(scsi_qla_host_t *vha)
1092 {
1093         int             rval;
1094         struct qla_hw_data *ha = vha->hw;
1095         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1096         unsigned long   flags = 0;
1097         uint16_t        data;
1098         uint32_t        cnt;
1099         uint16_t        mb[5];
1100         struct req_que *req = ha->req_q_map[0];
1101
1102         /* Assume a failed state */
1103         rval = QLA_FUNCTION_FAILED;
1104
1105         ql_dbg(ql_dbg_init, vha, 0x007b,
1106             "Testing device at %lx.\n", (u_long)&reg->flash_address);
1107
1108         spin_lock_irqsave(&ha->hardware_lock, flags);
1109
1110         /* Reset ISP chip. */
1111         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1112
1113         /*
1114          * We need to have a delay here since the card will not respond while
1115          * in reset causing an MCA on some architectures.
1116          */
1117         udelay(20);
1118         data = qla2x00_debounce_register(&reg->ctrl_status);
1119         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1120                 udelay(5);
1121                 data = RD_REG_WORD(&reg->ctrl_status);
1122                 barrier();
1123         }
1124
1125         if (!cnt)
1126                 goto chip_diag_failed;
1127
1128         ql_dbg(ql_dbg_init, vha, 0x007c,
1129             "Reset register cleared by chip reset.\n");
1130
1131         /* Reset RISC processor. */
1132         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1133         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1134
1135         /* Workaround for QLA2312 PCI parity error */
1136         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1137                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1138                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1139                         udelay(5);
1140                         data = RD_MAILBOX_REG(ha, reg, 0);
1141                         barrier();
1142                 }
1143         } else
1144                 udelay(10);
1145
1146         if (!cnt)
1147                 goto chip_diag_failed;
1148
1149         /* Check product ID of chip */
1150         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1151
1152         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1153         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1154         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1155         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1156         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1157             mb[3] != PROD_ID_3) {
1158                 ql_log(ql_log_warn, vha, 0x0062,
1159                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1160                     mb[1], mb[2], mb[3]);
1161
1162                 goto chip_diag_failed;
1163         }
1164         ha->product_id[0] = mb[1];
1165         ha->product_id[1] = mb[2];
1166         ha->product_id[2] = mb[3];
1167         ha->product_id[3] = mb[4];
1168
1169         /* Adjust fw RISC transfer size */
1170         if (req->length > 1024)
1171                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1172         else
1173                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1174                     req->length;
1175
1176         if (IS_QLA2200(ha) &&
1177             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1178                 /* Limit firmware transfer size with a 2200A */
1179                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1180
1181                 ha->device_type |= DT_ISP2200A;
1182                 ha->fw_transfer_size = 128;
1183         }
1184
1185         /* Wrap Incoming Mailboxes Test. */
1186         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1187
1188         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1189         rval = qla2x00_mbx_reg_test(vha);
1190         if (rval)
1191                 ql_log(ql_log_warn, vha, 0x0080,
1192                     "Failed mailbox send register test.\n");
1193         else
1194                 /* Flag a successful rval */
1195                 rval = QLA_SUCCESS;
1196         spin_lock_irqsave(&ha->hardware_lock, flags);
1197
1198 chip_diag_failed:
1199         if (rval)
1200                 ql_log(ql_log_info, vha, 0x0081,
1201                     "Chip diagnostics **** FAILED ****.\n");
1202
1203         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1204
1205         return (rval);
1206 }
1207
1208 /**
1209  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1210  * @ha: HA context
1211  *
1212  * Returns 0 on success.
1213  */
1214 int
1215 qla24xx_chip_diag(scsi_qla_host_t *vha)
1216 {
1217         int rval;
1218         struct qla_hw_data *ha = vha->hw;
1219         struct req_que *req = ha->req_q_map[0];
1220
1221         if (IS_QLA82XX(ha))
1222                 return QLA_SUCCESS;
1223
1224         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1225
1226         rval = qla2x00_mbx_reg_test(vha);
1227         if (rval) {
1228                 ql_log(ql_log_warn, vha, 0x0082,
1229                     "Failed mailbox send register test.\n");
1230         } else {
1231                 /* Flag a successful rval */
1232                 rval = QLA_SUCCESS;
1233         }
1234
1235         return rval;
1236 }
1237
1238 void
1239 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1240 {
1241         int rval;
1242         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1243             eft_size, fce_size, mq_size;
1244         dma_addr_t tc_dma;
1245         void *tc;
1246         struct qla_hw_data *ha = vha->hw;
1247         struct req_que *req = ha->req_q_map[0];
1248         struct rsp_que *rsp = ha->rsp_q_map[0];
1249
1250         if (ha->fw_dump) {
1251                 ql_dbg(ql_dbg_init, vha, 0x00bd,
1252                     "Firmware dump already allocated.\n");
1253                 return;
1254         }
1255
1256         ha->fw_dumped = 0;
1257         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1258         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1259                 fixed_size = sizeof(struct qla2100_fw_dump);
1260         } else if (IS_QLA23XX(ha)) {
1261                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1262                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1263                     sizeof(uint16_t);
1264         } else if (IS_FWI2_CAPABLE(ha)) {
1265                 if (IS_QLA81XX(ha))
1266                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1267                 else if (IS_QLA25XX(ha))
1268                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1269                 else
1270                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1271                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1272                     sizeof(uint32_t);
1273                 if (ha->mqenable)
1274                         mq_size = sizeof(struct qla2xxx_mq_chain);
1275                 /* Allocate memory for Fibre Channel Event Buffer. */
1276                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
1277                         goto try_eft;
1278
1279                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1280                     GFP_KERNEL);
1281                 if (!tc) {
1282                         ql_log(ql_log_warn, vha, 0x00be,
1283                             "Unable to allocate (%d KB) for FCE.\n",
1284                             FCE_SIZE / 1024);
1285                         goto try_eft;
1286                 }
1287
1288                 memset(tc, 0, FCE_SIZE);
1289                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1290                     ha->fce_mb, &ha->fce_bufs);
1291                 if (rval) {
1292                         ql_log(ql_log_warn, vha, 0x00bf,
1293                             "Unable to initialize FCE (%d).\n", rval);
1294                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1295                             tc_dma);
1296                         ha->flags.fce_enabled = 0;
1297                         goto try_eft;
1298                 }
1299                 ql_dbg(ql_dbg_init, vha, 0x00c0,
1300                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1301
1302                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1303                 ha->flags.fce_enabled = 1;
1304                 ha->fce_dma = tc_dma;
1305                 ha->fce = tc;
1306 try_eft:
1307                 /* Allocate memory for Extended Trace Buffer. */
1308                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1309                     GFP_KERNEL);
1310                 if (!tc) {
1311                         ql_log(ql_log_warn, vha, 0x00c1,
1312                             "Unable to allocate (%d KB) for EFT.\n",
1313                             EFT_SIZE / 1024);
1314                         goto cont_alloc;
1315                 }
1316
1317                 memset(tc, 0, EFT_SIZE);
1318                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1319                 if (rval) {
1320                         ql_log(ql_log_warn, vha, 0x00c2,
1321                             "Unable to initialize EFT (%d).\n", rval);
1322                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1323                             tc_dma);
1324                         goto cont_alloc;
1325                 }
1326                 ql_dbg(ql_dbg_init, vha, 0x00c3,
1327                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1328
1329                 eft_size = EFT_SIZE;
1330                 ha->eft_dma = tc_dma;
1331                 ha->eft = tc;
1332         }
1333 cont_alloc:
1334         req_q_size = req->length * sizeof(request_t);
1335         rsp_q_size = rsp->length * sizeof(response_t);
1336
1337         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1338         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1339         ha->chain_offset = dump_size;
1340         dump_size += mq_size + fce_size;
1341
1342         ha->fw_dump = vmalloc(dump_size);
1343         if (!ha->fw_dump) {
1344                 ql_log(ql_log_warn, vha, 0x00c4,
1345                     "Unable to allocate (%d KB) for firmware dump.\n",
1346                     dump_size / 1024);
1347
1348                 if (ha->fce) {
1349                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1350                             ha->fce_dma);
1351                         ha->fce = NULL;
1352                         ha->fce_dma = 0;
1353                 }
1354
1355                 if (ha->eft) {
1356                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1357                             ha->eft_dma);
1358                         ha->eft = NULL;
1359                         ha->eft_dma = 0;
1360                 }
1361                 return;
1362         }
1363         ql_dbg(ql_dbg_init, vha, 0x00c5,
1364             "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1365
1366         ha->fw_dump_len = dump_size;
1367         ha->fw_dump->signature[0] = 'Q';
1368         ha->fw_dump->signature[1] = 'L';
1369         ha->fw_dump->signature[2] = 'G';
1370         ha->fw_dump->signature[3] = 'C';
1371         ha->fw_dump->version = __constant_htonl(1);
1372
1373         ha->fw_dump->fixed_size = htonl(fixed_size);
1374         ha->fw_dump->mem_size = htonl(mem_size);
1375         ha->fw_dump->req_q_size = htonl(req_q_size);
1376         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1377
1378         ha->fw_dump->eft_size = htonl(eft_size);
1379         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1380         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1381
1382         ha->fw_dump->header_size =
1383             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1384 }
1385
1386 static int
1387 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1388 {
1389 #define MPS_MASK        0xe0
1390         int rval;
1391         uint16_t dc;
1392         uint32_t dw;
1393
1394         if (!IS_QLA81XX(vha->hw))
1395                 return QLA_SUCCESS;
1396
1397         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1398         if (rval != QLA_SUCCESS) {
1399                 ql_log(ql_log_warn, vha, 0x0105,
1400                     "Unable to acquire semaphore.\n");
1401                 goto done;
1402         }
1403
1404         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1405         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1406         if (rval != QLA_SUCCESS) {
1407                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1408                 goto done_release;
1409         }
1410
1411         dc &= MPS_MASK;
1412         if (dc == (dw & MPS_MASK))
1413                 goto done_release;
1414
1415         dw &= ~MPS_MASK;
1416         dw |= dc;
1417         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1418         if (rval != QLA_SUCCESS) {
1419                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1420         }
1421
1422 done_release:
1423         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1424         if (rval != QLA_SUCCESS) {
1425                 ql_log(ql_log_warn, vha, 0x006d,
1426                     "Unable to release semaphore.\n");
1427         }
1428
1429 done:
1430         return rval;
1431 }
1432
1433 /**
1434  * qla2x00_setup_chip() - Load and start RISC firmware.
1435  * @ha: HA context
1436  *
1437  * Returns 0 on success.
1438  */
1439 static int
1440 qla2x00_setup_chip(scsi_qla_host_t *vha)
1441 {
1442         int rval;
1443         uint32_t srisc_address = 0;
1444         struct qla_hw_data *ha = vha->hw;
1445         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1446         unsigned long flags;
1447         uint16_t fw_major_version;
1448
1449         if (IS_QLA82XX(ha)) {
1450                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1451                 if (rval == QLA_SUCCESS) {
1452                         qla2x00_stop_firmware(vha);
1453                         goto enable_82xx_npiv;
1454                 } else
1455                         goto failed;
1456         }
1457
1458         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1459                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1460                 spin_lock_irqsave(&ha->hardware_lock, flags);
1461                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1462                 RD_REG_WORD(&reg->hccr);
1463                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1464         }
1465
1466         qla81xx_mpi_sync(vha);
1467
1468         /* Load firmware sequences */
1469         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1470         if (rval == QLA_SUCCESS) {
1471                 ql_dbg(ql_dbg_init, vha, 0x00c9,
1472                     "Verifying Checksum of loaded RISC code.\n");
1473
1474                 rval = qla2x00_verify_checksum(vha, srisc_address);
1475                 if (rval == QLA_SUCCESS) {
1476                         /* Start firmware execution. */
1477                         ql_dbg(ql_dbg_init, vha, 0x00ca,
1478                             "Starting firmware.\n");
1479
1480                         rval = qla2x00_execute_fw(vha, srisc_address);
1481                         /* Retrieve firmware information. */
1482                         if (rval == QLA_SUCCESS) {
1483 enable_82xx_npiv:
1484                                 fw_major_version = ha->fw_major_version;
1485                                 if (IS_QLA82XX(ha))
1486                                         qla82xx_check_md_needed(vha);
1487                                 else {
1488                                         rval = qla2x00_get_fw_version(vha,
1489                                             &ha->fw_major_version,
1490                                             &ha->fw_minor_version,
1491                                             &ha->fw_subminor_version,
1492                                             &ha->fw_attributes,
1493                                             &ha->fw_memory_size,
1494                                             ha->mpi_version,
1495                                             &ha->mpi_capabilities,
1496                                             ha->phy_version);
1497                                 }
1498                                 if (rval != QLA_SUCCESS)
1499                                         goto failed;
1500                                 ha->flags.npiv_supported = 0;
1501                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1502                                          (ha->fw_attributes & BIT_2)) {
1503                                         ha->flags.npiv_supported = 1;
1504                                         if ((!ha->max_npiv_vports) ||
1505                                             ((ha->max_npiv_vports + 1) %
1506                                             MIN_MULTI_ID_FABRIC))
1507                                                 ha->max_npiv_vports =
1508                                                     MIN_MULTI_ID_FABRIC - 1;
1509                                 }
1510                                 qla2x00_get_resource_cnts(vha, NULL,
1511                                     &ha->fw_xcb_count, NULL, NULL,
1512                                     &ha->max_npiv_vports, NULL);
1513
1514                                 if (!fw_major_version && ql2xallocfwdump
1515                                     && !IS_QLA82XX(ha))
1516                                         qla2x00_alloc_fw_dump(vha);
1517                         }
1518                 } else {
1519                         ql_log(ql_log_fatal, vha, 0x00cd,
1520                             "ISP Firmware failed checksum.\n");
1521                         goto failed;
1522                 }
1523         }
1524
1525         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1526                 /* Enable proper parity. */
1527                 spin_lock_irqsave(&ha->hardware_lock, flags);
1528                 if (IS_QLA2300(ha))
1529                         /* SRAM parity */
1530                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1531                 else
1532                         /* SRAM, Instruction RAM and GP RAM parity */
1533                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1534                 RD_REG_WORD(&reg->hccr);
1535                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1536         }
1537
1538         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1539                 uint32_t size;
1540
1541                 rval = qla81xx_fac_get_sector_size(vha, &size);
1542                 if (rval == QLA_SUCCESS) {
1543                         ha->flags.fac_supported = 1;
1544                         ha->fdt_block_size = size << 2;
1545                 } else {
1546                         ql_log(ql_log_warn, vha, 0x00ce,
1547                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1548                             ha->fw_major_version, ha->fw_minor_version,
1549                             ha->fw_subminor_version);
1550                 }
1551         }
1552 failed:
1553         if (rval) {
1554                 ql_log(ql_log_fatal, vha, 0x00cf,
1555                     "Setup chip ****FAILED****.\n");
1556         }
1557
1558         return (rval);
1559 }
1560
1561 /**
1562  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1563  * @ha: HA context
1564  *
1565  * Beginning of request ring has initialization control block already built
1566  * by nvram config routine.
1567  *
1568  * Returns 0 on success.
1569  */
1570 void
1571 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1572 {
1573         uint16_t cnt;
1574         response_t *pkt;
1575
1576         rsp->ring_ptr = rsp->ring;
1577         rsp->ring_index    = 0;
1578         rsp->status_srb = NULL;
1579         pkt = rsp->ring_ptr;
1580         for (cnt = 0; cnt < rsp->length; cnt++) {
1581                 pkt->signature = RESPONSE_PROCESSED;
1582                 pkt++;
1583         }
1584 }
1585
1586 /**
1587  * qla2x00_update_fw_options() - Read and process firmware options.
1588  * @ha: HA context
1589  *
1590  * Returns 0 on success.
1591  */
1592 void
1593 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1594 {
1595         uint16_t swing, emphasis, tx_sens, rx_sens;
1596         struct qla_hw_data *ha = vha->hw;
1597
1598         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1599         qla2x00_get_fw_options(vha, ha->fw_options);
1600
1601         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1602                 return;
1603
1604         /* Serial Link options. */
1605         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1606             "Serial link options.\n");
1607         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1608             (uint8_t *)&ha->fw_seriallink_options,
1609             sizeof(ha->fw_seriallink_options));
1610
1611         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1612         if (ha->fw_seriallink_options[3] & BIT_2) {
1613                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1614
1615                 /*  1G settings */
1616                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1617                 emphasis = (ha->fw_seriallink_options[2] &
1618                     (BIT_4 | BIT_3)) >> 3;
1619                 tx_sens = ha->fw_seriallink_options[0] &
1620                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1621                 rx_sens = (ha->fw_seriallink_options[0] &
1622                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1623                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1624                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1625                         if (rx_sens == 0x0)
1626                                 rx_sens = 0x3;
1627                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1628                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1629                         ha->fw_options[10] |= BIT_5 |
1630                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1631                             (tx_sens & (BIT_1 | BIT_0));
1632
1633                 /*  2G settings */
1634                 swing = (ha->fw_seriallink_options[2] &
1635                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1636                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1637                 tx_sens = ha->fw_seriallink_options[1] &
1638                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1639                 rx_sens = (ha->fw_seriallink_options[1] &
1640                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1641                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1642                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1643                         if (rx_sens == 0x0)
1644                                 rx_sens = 0x3;
1645                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1646                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1647                         ha->fw_options[11] |= BIT_5 |
1648                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1649                             (tx_sens & (BIT_1 | BIT_0));
1650         }
1651
1652         /* FCP2 options. */
1653         /*  Return command IOCBs without waiting for an ABTS to complete. */
1654         ha->fw_options[3] |= BIT_13;
1655
1656         /* LED scheme. */
1657         if (ha->flags.enable_led_scheme)
1658                 ha->fw_options[2] |= BIT_12;
1659
1660         /* Detect ISP6312. */
1661         if (IS_QLA6312(ha))
1662                 ha->fw_options[2] |= BIT_13;
1663
1664         /* Update firmware options. */
1665         qla2x00_set_fw_options(vha, ha->fw_options);
1666 }
1667
1668 void
1669 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1670 {
1671         int rval;
1672         struct qla_hw_data *ha = vha->hw;
1673
1674         if (IS_QLA82XX(ha))
1675                 return;
1676
1677         /* Update Serial Link options. */
1678         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1679                 return;
1680
1681         rval = qla2x00_set_serdes_params(vha,
1682             le16_to_cpu(ha->fw_seriallink_options24[1]),
1683             le16_to_cpu(ha->fw_seriallink_options24[2]),
1684             le16_to_cpu(ha->fw_seriallink_options24[3]));
1685         if (rval != QLA_SUCCESS) {
1686                 ql_log(ql_log_warn, vha, 0x0104,
1687                     "Unable to update Serial Link options (%x).\n", rval);
1688         }
1689 }
1690
1691 void
1692 qla2x00_config_rings(struct scsi_qla_host *vha)
1693 {
1694         struct qla_hw_data *ha = vha->hw;
1695         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1696         struct req_que *req = ha->req_q_map[0];
1697         struct rsp_que *rsp = ha->rsp_q_map[0];
1698
1699         /* Setup ring parameters in initialization control block. */
1700         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1701         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1702         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1703         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1704         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1705         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1706         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1707         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1708
1709         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1710         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1711         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1712         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1713         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1714 }
1715
1716 void
1717 qla24xx_config_rings(struct scsi_qla_host *vha)
1718 {
1719         struct qla_hw_data *ha = vha->hw;
1720         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1721         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1722         struct qla_msix_entry *msix;
1723         struct init_cb_24xx *icb;
1724         uint16_t rid = 0;
1725         struct req_que *req = ha->req_q_map[0];
1726         struct rsp_que *rsp = ha->rsp_q_map[0];
1727
1728 /* Setup ring parameters in initialization control block. */
1729         icb = (struct init_cb_24xx *)ha->init_cb;
1730         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1731         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1732         icb->request_q_length = cpu_to_le16(req->length);
1733         icb->response_q_length = cpu_to_le16(rsp->length);
1734         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1735         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1736         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1737         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1738
1739         if (ha->mqenable) {
1740                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1741                 icb->rid = __constant_cpu_to_le16(rid);
1742                 if (ha->flags.msix_enabled) {
1743                         msix = &ha->msix_entries[1];
1744                         ql_dbg(ql_dbg_init, vha, 0x00fd,
1745                             "Registering vector 0x%x for base que.\n",
1746                             msix->entry);
1747                         icb->msix = cpu_to_le16(msix->entry);
1748                 }
1749                 /* Use alternate PCI bus number */
1750                 if (MSB(rid))
1751                         icb->firmware_options_2 |=
1752                                 __constant_cpu_to_le32(BIT_19);
1753                 /* Use alternate PCI devfn */
1754                 if (LSB(rid))
1755                         icb->firmware_options_2 |=
1756                                 __constant_cpu_to_le32(BIT_18);
1757
1758                 /* Use Disable MSIX Handshake mode for capable adapters */
1759                 if (IS_MSIX_NACK_CAPABLE(ha)) {
1760                         icb->firmware_options_2 &=
1761                                 __constant_cpu_to_le32(~BIT_22);
1762                         ha->flags.disable_msix_handshake = 1;
1763                         ql_dbg(ql_dbg_init, vha, 0x00fe,
1764                             "MSIX Handshake Disable Mode turned on.\n");
1765                 } else {
1766                         icb->firmware_options_2 |=
1767                                 __constant_cpu_to_le32(BIT_22);
1768                 }
1769                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1770
1771                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1772                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1773                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1774                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1775         } else {
1776                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1777                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1778                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1779                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1780         }
1781         /* PCI posting */
1782         RD_REG_DWORD(&ioreg->hccr);
1783 }
1784
1785 /**
1786  * qla2x00_init_rings() - Initializes firmware.
1787  * @ha: HA context
1788  *
1789  * Beginning of request ring has initialization control block already built
1790  * by nvram config routine.
1791  *
1792  * Returns 0 on success.
1793  */
1794 static int
1795 qla2x00_init_rings(scsi_qla_host_t *vha)
1796 {
1797         int     rval;
1798         unsigned long flags = 0;
1799         int cnt, que;
1800         struct qla_hw_data *ha = vha->hw;
1801         struct req_que *req;
1802         struct rsp_que *rsp;
1803         struct scsi_qla_host *vp;
1804         struct mid_init_cb_24xx *mid_init_cb =
1805             (struct mid_init_cb_24xx *) ha->init_cb;
1806
1807         spin_lock_irqsave(&ha->hardware_lock, flags);
1808
1809         /* Clear outstanding commands array. */
1810         for (que = 0; que < ha->max_req_queues; que++) {
1811                 req = ha->req_q_map[que];
1812                 if (!req)
1813                         continue;
1814                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1815                         req->outstanding_cmds[cnt] = NULL;
1816
1817                 req->current_outstanding_cmd = 1;
1818
1819                 /* Initialize firmware. */
1820                 req->ring_ptr  = req->ring;
1821                 req->ring_index    = 0;
1822                 req->cnt      = req->length;
1823         }
1824
1825         for (que = 0; que < ha->max_rsp_queues; que++) {
1826                 rsp = ha->rsp_q_map[que];
1827                 if (!rsp)
1828                         continue;
1829                 /* Initialize response queue entries */
1830                 qla2x00_init_response_q_entries(rsp);
1831         }
1832
1833         spin_lock(&ha->vport_slock);
1834         /* Clear RSCN queue. */
1835         list_for_each_entry(vp, &ha->vp_list, list) {
1836                 vp->rscn_in_ptr = 0;
1837                 vp->rscn_out_ptr = 0;
1838         }
1839
1840         spin_unlock(&ha->vport_slock);
1841
1842         ha->isp_ops->config_rings(vha);
1843
1844         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1845
1846         /* Update any ISP specific firmware options before initialization. */
1847         ha->isp_ops->update_fw_options(vha);
1848
1849         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
1850
1851         if (ha->flags.npiv_supported) {
1852                 if (ha->operating_mode == LOOP)
1853                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1854                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1855         }
1856
1857         if (IS_FWI2_CAPABLE(ha)) {
1858                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1859                 mid_init_cb->init_cb.execution_throttle =
1860                     cpu_to_le16(ha->fw_xcb_count);
1861         }
1862
1863         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1864         if (rval) {
1865                 ql_log(ql_log_fatal, vha, 0x00d2,
1866                     "Init Firmware **** FAILED ****.\n");
1867         } else {
1868                 ql_dbg(ql_dbg_init, vha, 0x00d3,
1869                     "Init Firmware -- success.\n");
1870         }
1871
1872         return (rval);
1873 }
1874
1875 /**
1876  * qla2x00_fw_ready() - Waits for firmware ready.
1877  * @ha: HA context
1878  *
1879  * Returns 0 on success.
1880  */
1881 static int
1882 qla2x00_fw_ready(scsi_qla_host_t *vha)
1883 {
1884         int             rval;
1885         unsigned long   wtime, mtime, cs84xx_time;
1886         uint16_t        min_wait;       /* Minimum wait time if loop is down */
1887         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1888         uint16_t        state[5];
1889         struct qla_hw_data *ha = vha->hw;
1890
1891         rval = QLA_SUCCESS;
1892
1893         /* 20 seconds for loop down. */
1894         min_wait = 20;
1895
1896         /*
1897          * Firmware should take at most one RATOV to login, plus 5 seconds for
1898          * our own processing.
1899          */
1900         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1901                 wait_time = min_wait;
1902         }
1903
1904         /* Min wait time if loop down */
1905         mtime = jiffies + (min_wait * HZ);
1906
1907         /* wait time before firmware ready */
1908         wtime = jiffies + (wait_time * HZ);
1909
1910         /* Wait for ISP to finish LIP */
1911         if (!vha->flags.init_done)
1912                 ql_log(ql_log_info, vha, 0x801e,
1913                     "Waiting for LIP to complete.\n");
1914
1915         do {
1916                 rval = qla2x00_get_firmware_state(vha, state);
1917                 if (rval == QLA_SUCCESS) {
1918                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
1919                                 vha->device_flags &= ~DFLG_NO_CABLE;
1920                         }
1921                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1922                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
1923                                     "fw_state=%x 84xx=%x.\n", state[0],
1924                                     state[2]);
1925                                 if ((state[2] & FSTATE_LOGGED_IN) &&
1926                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1927                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
1928                                             "Sending verify iocb.\n");
1929
1930                                         cs84xx_time = jiffies;
1931                                         rval = qla84xx_init_chip(vha);
1932                                         if (rval != QLA_SUCCESS) {
1933                                                 ql_log(ql_log_warn,
1934                                                     vha, 0x8007,
1935                                                     "Init chip failed.\n");
1936                                                 break;
1937                                         }
1938
1939                                         /* Add time taken to initialize. */
1940                                         cs84xx_time = jiffies - cs84xx_time;
1941                                         wtime += cs84xx_time;
1942                                         mtime += cs84xx_time;
1943                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
1944                                             "Increasing wait time by %ld. "
1945                                             "New time %ld.\n", cs84xx_time,
1946                                             wtime);
1947                                 }
1948                         } else if (state[0] == FSTATE_READY) {
1949                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
1950                                     "F/W Ready - OK.\n");
1951
1952                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1953                                     &ha->login_timeout, &ha->r_a_tov);
1954
1955                                 rval = QLA_SUCCESS;
1956                                 break;
1957                         }
1958
1959                         rval = QLA_FUNCTION_FAILED;
1960
1961                         if (atomic_read(&vha->loop_down_timer) &&
1962                             state[0] != FSTATE_READY) {
1963                                 /* Loop down. Timeout on min_wait for states
1964                                  * other than Wait for Login.
1965                                  */
1966                                 if (time_after_eq(jiffies, mtime)) {
1967                                         ql_log(ql_log_info, vha, 0x8038,
1968                                             "Cable is unplugged...\n");
1969
1970                                         vha->device_flags |= DFLG_NO_CABLE;
1971                                         break;
1972                                 }
1973                         }
1974                 } else {
1975                         /* Mailbox cmd failed. Timeout on min_wait. */
1976                         if (time_after_eq(jiffies, mtime) ||
1977                                 ha->flags.isp82xx_fw_hung)
1978                                 break;
1979                 }
1980
1981                 if (time_after_eq(jiffies, wtime))
1982                         break;
1983
1984                 /* Delay for a while */
1985                 msleep(500);
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 && !(vha->device_flags & DFLG_NO_CABLE)) {
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 = QL_DBG_DEFAULT1_MASK;
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                        __func__);
4192         }
4193
4194         return(status);
4195 }
4196
4197 /*
4198 *  qla2x00_restart_isp
4199 *      restarts the ISP after a reset
4200 *
4201 * Input:
4202 *      ha = adapter block pointer.
4203 *
4204 * Returns:
4205 *      0 = success
4206 */
4207 static int
4208 qla2x00_restart_isp(scsi_qla_host_t *vha)
4209 {
4210         int status = 0;
4211         uint32_t wait_time;
4212         struct qla_hw_data *ha = vha->hw;
4213         struct req_que *req = ha->req_q_map[0];
4214         struct rsp_que *rsp = ha->rsp_q_map[0];
4215
4216         /* If firmware needs to be loaded */
4217         if (qla2x00_isp_firmware(vha)) {
4218                 vha->flags.online = 0;
4219                 status = ha->isp_ops->chip_diag(vha);
4220                 if (!status)
4221                         status = qla2x00_setup_chip(vha);
4222         }
4223
4224         if (!status && !(status = qla2x00_init_rings(vha))) {
4225                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4226                 ha->flags.chip_reset_done = 1;
4227                 /* Initialize the queues in use */
4228                 qla25xx_init_queues(ha);
4229
4230                 status = qla2x00_fw_ready(vha);
4231                 if (!status) {
4232                         ql_dbg(ql_dbg_taskm, vha, 0x8031,
4233                             "Start configure loop status = %d.\n", status);
4234
4235                         /* Issue a marker after FW becomes ready. */
4236                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4237
4238                         vha->flags.online = 1;
4239                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4240                         wait_time = 256;
4241                         do {
4242                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4243                                 qla2x00_configure_loop(vha);
4244                                 wait_time--;
4245                         } while (!atomic_read(&vha->loop_down_timer) &&
4246                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4247                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4248                                 &vha->dpc_flags)));
4249                 }
4250
4251                 /* if no cable then assume it's good */
4252                 if ((vha->device_flags & DFLG_NO_CABLE))
4253                         status = 0;
4254
4255                 ql_dbg(ql_dbg_taskm, vha, 0x8032,
4256                     "Configure loop done, status = 0x%x.\n", status);
4257         }
4258         return (status);
4259 }
4260
4261 static int
4262 qla25xx_init_queues(struct qla_hw_data *ha)
4263 {
4264         struct rsp_que *rsp = NULL;
4265         struct req_que *req = NULL;
4266         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4267         int ret = -1;
4268         int i;
4269
4270         for (i = 1; i < ha->max_rsp_queues; i++) {
4271                 rsp = ha->rsp_q_map[i];
4272                 if (rsp) {
4273                         rsp->options &= ~BIT_0;
4274                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4275                         if (ret != QLA_SUCCESS)
4276                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4277                                     "%s Rsp que: %d init failed.\n",
4278                                     __func__, rsp->id);
4279                         else
4280                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4281                                     "%s Rsp que: %d inited.\n",
4282                                     __func__, rsp->id);
4283                 }
4284         }
4285         for (i = 1; i < ha->max_req_queues; i++) {
4286                 req = ha->req_q_map[i];
4287                 if (req) {
4288                 /* Clear outstanding commands array. */
4289                         req->options &= ~BIT_0;
4290                         ret = qla25xx_init_req_que(base_vha, req);
4291                         if (ret != QLA_SUCCESS)
4292                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4293                                     "%s Req que: %d init failed.\n",
4294                                     __func__, req->id);
4295                         else
4296                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4297                                     "%s Req que: %d inited.\n",
4298                                     __func__, req->id);
4299                 }
4300         }
4301         return ret;
4302 }
4303
4304 /*
4305 * qla2x00_reset_adapter
4306 *      Reset adapter.
4307 *
4308 * Input:
4309 *      ha = adapter block pointer.
4310 */
4311 void
4312 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4313 {
4314         unsigned long flags = 0;
4315         struct qla_hw_data *ha = vha->hw;
4316         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4317
4318         vha->flags.online = 0;
4319         ha->isp_ops->disable_intrs(ha);
4320
4321         spin_lock_irqsave(&ha->hardware_lock, flags);
4322         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4323         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4324         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4325         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4326         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4327 }
4328
4329 void
4330 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4331 {
4332         unsigned long flags = 0;
4333         struct qla_hw_data *ha = vha->hw;
4334         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4335
4336         if (IS_QLA82XX(ha))
4337                 return;
4338
4339         vha->flags.online = 0;
4340         ha->isp_ops->disable_intrs(ha);
4341
4342         spin_lock_irqsave(&ha->hardware_lock, flags);
4343         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4344         RD_REG_DWORD(&reg->hccr);
4345         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4346         RD_REG_DWORD(&reg->hccr);
4347         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4348
4349         if (IS_NOPOLLING_TYPE(ha))
4350                 ha->isp_ops->enable_intrs(ha);
4351 }
4352
4353 /* On sparc systems, obtain port and node WWN from firmware
4354  * properties.
4355  */
4356 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4357         struct nvram_24xx *nv)
4358 {
4359 #ifdef CONFIG_SPARC
4360         struct qla_hw_data *ha = vha->hw;
4361         struct pci_dev *pdev = ha->pdev;
4362         struct device_node *dp = pci_device_to_OF_node(pdev);
4363         const u8 *val;
4364         int len;
4365
4366         val = of_get_property(dp, "port-wwn", &len);
4367         if (val && len >= WWN_SIZE)
4368                 memcpy(nv->port_name, val, WWN_SIZE);
4369
4370         val = of_get_property(dp, "node-wwn", &len);
4371         if (val && len >= WWN_SIZE)
4372                 memcpy(nv->node_name, val, WWN_SIZE);
4373 #endif
4374 }
4375
4376 int
4377 qla24xx_nvram_config(scsi_qla_host_t *vha)
4378 {
4379         int   rval;
4380         struct init_cb_24xx *icb;
4381         struct nvram_24xx *nv;
4382         uint32_t *dptr;
4383         uint8_t  *dptr1, *dptr2;
4384         uint32_t chksum;
4385         uint16_t cnt;
4386         struct qla_hw_data *ha = vha->hw;
4387
4388         rval = QLA_SUCCESS;
4389         icb = (struct init_cb_24xx *)ha->init_cb;
4390         nv = ha->nvram;
4391
4392         /* Determine NVRAM starting address. */
4393         if (ha->flags.port0) {
4394                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4395                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4396         } else {
4397                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4398                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4399         }
4400         ha->nvram_size = sizeof(struct nvram_24xx);
4401         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4402         if (IS_QLA82XX(ha))
4403                 ha->vpd_size = FA_VPD_SIZE_82XX;
4404
4405         /* Get VPD data into cache */
4406         ha->vpd = ha->nvram + VPD_OFFSET;
4407         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4408             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4409
4410         /* Get NVRAM data into cache and calculate checksum. */
4411         dptr = (uint32_t *)nv;
4412         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4413             ha->nvram_size);
4414         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4415                 chksum += le32_to_cpu(*dptr++);
4416
4417         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
4418             "Contents of NVRAM\n");
4419         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
4420             (uint8_t *)nv, ha->nvram_size);
4421
4422         /* Bad NVRAM data, set defaults parameters. */
4423         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4424             || nv->id[3] != ' ' ||
4425             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4426                 /* Reset NVRAM data. */
4427                 ql_log(ql_log_warn, vha, 0x006b,
4428                     "Inconisistent NVRAM detected: checksum=0x%x id=%c "
4429                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
4430                 ql_log(ql_log_warn, vha, 0x006c,
4431                     "Falling back to functioning (yet invalid -- WWPN) "
4432                     "defaults.\n");
4433
4434                 /*
4435                  * Set default initialization control block.
4436                  */
4437                 memset(nv, 0, ha->nvram_size);
4438                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4439                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4440                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4441                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4442                 nv->exchange_count = __constant_cpu_to_le16(0);
4443                 nv->hard_address = __constant_cpu_to_le16(124);
4444                 nv->port_name[0] = 0x21;
4445                 nv->port_name[1] = 0x00 + ha->port_no;
4446                 nv->port_name[2] = 0x00;
4447                 nv->port_name[3] = 0xe0;
4448                 nv->port_name[4] = 0x8b;
4449                 nv->port_name[5] = 0x1c;
4450                 nv->port_name[6] = 0x55;
4451                 nv->port_name[7] = 0x86;
4452                 nv->node_name[0] = 0x20;
4453                 nv->node_name[1] = 0x00;
4454                 nv->node_name[2] = 0x00;
4455                 nv->node_name[3] = 0xe0;
4456                 nv->node_name[4] = 0x8b;
4457                 nv->node_name[5] = 0x1c;
4458                 nv->node_name[6] = 0x55;
4459                 nv->node_name[7] = 0x86;
4460                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4461                 nv->login_retry_count = __constant_cpu_to_le16(8);
4462                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4463                 nv->login_timeout = __constant_cpu_to_le16(0);
4464                 nv->firmware_options_1 =
4465                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4466                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4467                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4468                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4469                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4470                 nv->efi_parameters = __constant_cpu_to_le32(0);
4471                 nv->reset_delay = 5;
4472                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4473                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4474                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4475
4476                 rval = 1;
4477         }
4478
4479         /* Reset Initialization control block */
4480         memset(icb, 0, ha->init_cb_size);
4481
4482         /* Copy 1st segment. */
4483         dptr1 = (uint8_t *)icb;
4484         dptr2 = (uint8_t *)&nv->version;
4485         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4486         while (cnt--)
4487                 *dptr1++ = *dptr2++;
4488
4489         icb->login_retry_count = nv->login_retry_count;
4490         icb->link_down_on_nos = nv->link_down_on_nos;
4491
4492         /* Copy 2nd segment. */
4493         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4494         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4495         cnt = (uint8_t *)&icb->reserved_3 -
4496             (uint8_t *)&icb->interrupt_delay_timer;
4497         while (cnt--)
4498                 *dptr1++ = *dptr2++;
4499
4500         /*
4501          * Setup driver NVRAM options.
4502          */
4503         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4504             "QLA2462");
4505
4506         /* Use alternate WWN? */
4507         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4508                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4509                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4510         }
4511
4512         /* Prepare nodename */
4513         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4514                 /*
4515                  * Firmware will apply the following mask if the nodename was
4516                  * not provided.
4517                  */
4518                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4519                 icb->node_name[0] &= 0xF0;
4520         }
4521
4522         /* Set host adapter parameters. */
4523         ha->flags.disable_risc_code_load = 0;
4524         ha->flags.enable_lip_reset = 0;
4525         ha->flags.enable_lip_full_login =
4526             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4527         ha->flags.enable_target_reset =
4528             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4529         ha->flags.enable_led_scheme = 0;
4530         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4531
4532         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4533             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4534
4535         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4536             sizeof(ha->fw_seriallink_options24));
4537
4538         /* save HBA serial number */
4539         ha->serial0 = icb->port_name[5];
4540         ha->serial1 = icb->port_name[6];
4541         ha->serial2 = icb->port_name[7];
4542         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4543         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4544
4545         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4546
4547         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4548
4549         /* Set minimum login_timeout to 4 seconds. */
4550         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4551                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4552         if (le16_to_cpu(nv->login_timeout) < 4)
4553                 nv->login_timeout = __constant_cpu_to_le16(4);
4554         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4555         icb->login_timeout = nv->login_timeout;
4556
4557         /* Set minimum RATOV to 100 tenths of a second. */
4558         ha->r_a_tov = 100;
4559
4560         ha->loop_reset_delay = nv->reset_delay;
4561
4562         /* Link Down Timeout = 0:
4563          *
4564          *      When Port Down timer expires we will start returning
4565          *      I/O's to OS with "DID_NO_CONNECT".
4566          *
4567          * Link Down Timeout != 0:
4568          *
4569          *       The driver waits for the link to come up after link down
4570          *       before returning I/Os to OS with "DID_NO_CONNECT".
4571          */
4572         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4573                 ha->loop_down_abort_time =
4574                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4575         } else {
4576                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4577                 ha->loop_down_abort_time =
4578                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4579         }
4580
4581         /* Need enough time to try and get the port back. */
4582         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4583         if (qlport_down_retry)
4584                 ha->port_down_retry_count = qlport_down_retry;
4585
4586         /* Set login_retry_count */
4587         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4588         if (ha->port_down_retry_count ==
4589             le16_to_cpu(nv->port_down_retry_count) &&
4590             ha->port_down_retry_count > 3)
4591                 ha->login_retry_count = ha->port_down_retry_count;
4592         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4593                 ha->login_retry_count = ha->port_down_retry_count;
4594         if (ql2xloginretrycount)
4595                 ha->login_retry_count = ql2xloginretrycount;
4596
4597         /* Enable ZIO. */
4598         if (!vha->flags.init_done) {
4599                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4600                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4601                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4602                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4603         }
4604         icb->firmware_options_2 &= __constant_cpu_to_le32(
4605             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4606         vha->flags.process_response_queue = 0;
4607         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4608                 ha->zio_mode = QLA_ZIO_MODE_6;
4609
4610                 ql_log(ql_log_info, vha, 0x006f,
4611                     "ZIO mode %d enabled; timer delay (%d us).\n",
4612                     ha->zio_mode, ha->zio_timer * 100);
4613
4614                 icb->firmware_options_2 |= cpu_to_le32(
4615                     (uint32_t)ha->zio_mode);
4616                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4617                 vha->flags.process_response_queue = 1;
4618         }
4619
4620         if (rval) {
4621                 ql_log(ql_log_warn, vha, 0x0070,
4622                     "NVRAM configuration failed.\n");
4623         }
4624         return (rval);
4625 }
4626
4627 static int
4628 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4629     uint32_t faddr)
4630 {
4631         int     rval = QLA_SUCCESS;
4632         int     segments, fragment;
4633         uint32_t *dcode, dlen;
4634         uint32_t risc_addr;
4635         uint32_t risc_size;
4636         uint32_t i;
4637         struct qla_hw_data *ha = vha->hw;
4638         struct req_que *req = ha->req_q_map[0];
4639
4640         ql_dbg(ql_dbg_init, vha, 0x008b,
4641             "FW: Loading firmware from flash (%x).\n", faddr);
4642
4643         rval = QLA_SUCCESS;
4644
4645         segments = FA_RISC_CODE_SEGMENTS;
4646         dcode = (uint32_t *)req->ring;
4647         *srisc_addr = 0;
4648
4649         /* Validate firmware image by checking version. */
4650         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4651         for (i = 0; i < 4; i++)
4652                 dcode[i] = be32_to_cpu(dcode[i]);
4653         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4654             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4655             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4656                 dcode[3] == 0)) {
4657                 ql_log(ql_log_fatal, vha, 0x008c,
4658                     "Unable to verify the integrity of flash firmware "
4659                     "image.\n");
4660                 ql_log(ql_log_fatal, vha, 0x008d,
4661                     "Firmware data: %08x %08x %08x %08x.\n",
4662                     dcode[0], dcode[1], dcode[2], dcode[3]);
4663
4664                 return QLA_FUNCTION_FAILED;
4665         }
4666
4667         while (segments && rval == QLA_SUCCESS) {
4668                 /* Read segment's load information. */
4669                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4670
4671                 risc_addr = be32_to_cpu(dcode[2]);
4672                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4673                 risc_size = be32_to_cpu(dcode[3]);
4674
4675                 fragment = 0;
4676                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4677                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4678                         if (dlen > risc_size)
4679                                 dlen = risc_size;
4680
4681                         ql_dbg(ql_dbg_init, vha, 0x008e,
4682                             "Loading risc segment@ risc addr %x "
4683                             "number of dwords 0x%x offset 0x%x.\n",
4684                             risc_addr, dlen, faddr);
4685
4686                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4687                         for (i = 0; i < dlen; i++)
4688                                 dcode[i] = swab32(dcode[i]);
4689
4690                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4691                             dlen);
4692                         if (rval) {
4693                                 ql_log(ql_log_fatal, vha, 0x008f,
4694                                     "Failed to load segment %d of firmware.\n",
4695                                     fragment);
4696                                 break;
4697                         }
4698
4699                         faddr += dlen;
4700                         risc_addr += dlen;
4701                         risc_size -= dlen;
4702                         fragment++;
4703                 }
4704
4705                 /* Next segment. */
4706                 segments--;
4707         }
4708
4709         return rval;
4710 }
4711
4712 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4713
4714 int
4715 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4716 {
4717         int     rval;
4718         int     i, fragment;
4719         uint16_t *wcode, *fwcode;
4720         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4721         struct fw_blob *blob;
4722         struct qla_hw_data *ha = vha->hw;
4723         struct req_que *req = ha->req_q_map[0];
4724
4725         /* Load firmware blob. */
4726         blob = qla2x00_request_firmware(vha);
4727         if (!blob) {
4728                 ql_log(ql_log_info, vha, 0x0083,
4729                     "Fimware image unavailable.\n");
4730                 ql_log(ql_log_info, vha, 0x0084,
4731                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
4732                 return QLA_FUNCTION_FAILED;
4733         }
4734
4735         rval = QLA_SUCCESS;
4736
4737         wcode = (uint16_t *)req->ring;
4738         *srisc_addr = 0;
4739         fwcode = (uint16_t *)blob->fw->data;
4740         fwclen = 0;
4741
4742         /* Validate firmware image by checking version. */
4743         if (blob->fw->size < 8 * sizeof(uint16_t)) {
4744                 ql_log(ql_log_fatal, vha, 0x0085,
4745                     "Unable to verify integrity of firmware image (%Zd).\n",
4746                     blob->fw->size);
4747                 goto fail_fw_integrity;
4748         }
4749         for (i = 0; i < 4; i++)
4750                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4751         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4752             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4753                 wcode[2] == 0 && wcode[3] == 0)) {
4754                 ql_log(ql_log_fatal, vha, 0x0086,
4755                     "Unable to verify integrity of firmware image.\n");
4756                 ql_log(ql_log_fatal, vha, 0x0087,
4757                     "Firmware data: %04x %04x %04x %04x.\n",
4758                     wcode[0], wcode[1], wcode[2], wcode[3]);
4759                 goto fail_fw_integrity;
4760         }
4761
4762         seg = blob->segs;
4763         while (*seg && rval == QLA_SUCCESS) {
4764                 risc_addr = *seg;
4765                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4766                 risc_size = be16_to_cpu(fwcode[3]);
4767
4768                 /* Validate firmware image size. */
4769                 fwclen += risc_size * sizeof(uint16_t);
4770                 if (blob->fw->size < fwclen) {
4771                         ql_log(ql_log_fatal, vha, 0x0088,
4772                             "Unable to verify integrity of firmware image "
4773                             "(%Zd).\n", blob->fw->size);
4774                         goto fail_fw_integrity;
4775                 }
4776
4777                 fragment = 0;
4778                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4779                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4780                         if (wlen > risc_size)
4781                                 wlen = risc_size;
4782                         ql_dbg(ql_dbg_init, vha, 0x0089,
4783                             "Loading risc segment@ risc addr %x number of "
4784                             "words 0x%x.\n", risc_addr, wlen);
4785
4786                         for (i = 0; i < wlen; i++)
4787                                 wcode[i] = swab16(fwcode[i]);
4788
4789                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4790                             wlen);
4791                         if (rval) {
4792                                 ql_log(ql_log_fatal, vha, 0x008a,
4793                                     "Failed to load segment %d of firmware.\n",
4794                                     fragment);
4795                                 break;
4796                         }
4797
4798                         fwcode += wlen;
4799                         risc_addr += wlen;
4800                         risc_size -= wlen;
4801                         fragment++;
4802                 }
4803
4804                 /* Next segment. */
4805                 seg++;
4806         }
4807         return rval;
4808
4809 fail_fw_integrity:
4810         return QLA_FUNCTION_FAILED;
4811 }
4812
4813 static int
4814 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4815 {
4816         int     rval;
4817         int     segments, fragment;
4818         uint32_t *dcode, dlen;
4819         uint32_t risc_addr;
4820         uint32_t risc_size;
4821         uint32_t i;
4822         struct fw_blob *blob;
4823         uint32_t *fwcode, fwclen;
4824         struct qla_hw_data *ha = vha->hw;
4825         struct req_que *req = ha->req_q_map[0];
4826
4827         /* Load firmware blob. */
4828         blob = qla2x00_request_firmware(vha);
4829         if (!blob) {
4830                 ql_log(ql_log_warn, vha, 0x0090,
4831                     "Fimware image unavailable.\n");
4832                 ql_log(ql_log_warn, vha, 0x0091,
4833                     "Firmware images can be retrieved from: "
4834                     QLA_FW_URL ".\n");
4835
4836                 return QLA_FUNCTION_FAILED;
4837         }
4838
4839         ql_dbg(ql_dbg_init, vha, 0x0092,
4840             "FW: Loading via request-firmware.\n");
4841
4842         rval = QLA_SUCCESS;
4843
4844         segments = FA_RISC_CODE_SEGMENTS;
4845         dcode = (uint32_t *)req->ring;
4846         *srisc_addr = 0;
4847         fwcode = (uint32_t *)blob->fw->data;
4848         fwclen = 0;
4849
4850         /* Validate firmware image by checking version. */
4851         if (blob->fw->size < 8 * sizeof(uint32_t)) {
4852                 ql_log(ql_log_fatal, vha, 0x0093,
4853                     "Unable to verify integrity of firmware image (%Zd).\n",
4854                     blob->fw->size);
4855                 goto fail_fw_integrity;
4856         }
4857         for (i = 0; i < 4; i++)
4858                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4859         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4860             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4861             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4862                 dcode[3] == 0)) {
4863                 ql_log(ql_log_fatal, vha, 0x0094,
4864                     "Unable to verify integrity of firmware image (%Zd).\n",
4865                     blob->fw->size);
4866                 ql_log(ql_log_fatal, vha, 0x0095,
4867                     "Firmware data: %08x %08x %08x %08x.\n",
4868                     dcode[0], dcode[1], dcode[2], dcode[3]);
4869                 goto fail_fw_integrity;
4870         }
4871
4872         while (segments && rval == QLA_SUCCESS) {
4873                 risc_addr = be32_to_cpu(fwcode[2]);
4874                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4875                 risc_size = be32_to_cpu(fwcode[3]);
4876
4877                 /* Validate firmware image size. */
4878                 fwclen += risc_size * sizeof(uint32_t);
4879                 if (blob->fw->size < fwclen) {
4880                         ql_log(ql_log_fatal, vha, 0x0096,
4881                             "Unable to verify integrity of firmware image "
4882                             "(%Zd).\n", blob->fw->size);
4883
4884                         goto fail_fw_integrity;
4885                 }
4886
4887                 fragment = 0;
4888                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4889                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4890                         if (dlen > risc_size)
4891                                 dlen = risc_size;
4892
4893                         ql_dbg(ql_dbg_init, vha, 0x0097,
4894                             "Loading risc segment@ risc addr %x "
4895                             "number of dwords 0x%x.\n", risc_addr, dlen);
4896
4897                         for (i = 0; i < dlen; i++)
4898                                 dcode[i] = swab32(fwcode[i]);
4899
4900                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4901                             dlen);
4902                         if (rval) {
4903                                 ql_log(ql_log_fatal, vha, 0x0098,
4904                                     "Failed to load segment %d of firmware.\n",
4905                                     fragment);
4906                                 break;
4907                         }
4908
4909                         fwcode += dlen;
4910                         risc_addr += dlen;
4911                         risc_size -= dlen;
4912                         fragment++;
4913                 }
4914
4915                 /* Next segment. */
4916                 segments--;
4917         }
4918         return rval;
4919
4920 fail_fw_integrity:
4921         return QLA_FUNCTION_FAILED;
4922 }
4923
4924 int
4925 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4926 {
4927         int rval;
4928
4929         if (ql2xfwloadbin == 1)
4930                 return qla81xx_load_risc(vha, srisc_addr);
4931
4932         /*
4933          * FW Load priority:
4934          * 1) Firmware via request-firmware interface (.bin file).
4935          * 2) Firmware residing in flash.
4936          */
4937         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4938         if (rval == QLA_SUCCESS)
4939                 return rval;
4940
4941         return qla24xx_load_risc_flash(vha, srisc_addr,
4942             vha->hw->flt_region_fw);
4943 }
4944
4945 int
4946 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4947 {
4948         int rval;
4949         struct qla_hw_data *ha = vha->hw;
4950
4951         if (ql2xfwloadbin == 2)
4952                 goto try_blob_fw;
4953
4954         /*
4955          * FW Load priority:
4956          * 1) Firmware residing in flash.
4957          * 2) Firmware via request-firmware interface (.bin file).
4958          * 3) Golden-Firmware residing in flash -- limited operation.
4959          */
4960         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4961         if (rval == QLA_SUCCESS)
4962                 return rval;
4963
4964 try_blob_fw:
4965         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4966         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4967                 return rval;
4968
4969         ql_log(ql_log_info, vha, 0x0099,
4970             "Attempting to fallback to golden firmware.\n");
4971         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4972         if (rval != QLA_SUCCESS)
4973                 return rval;
4974
4975         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
4976         ha->flags.running_gold_fw = 1;
4977
4978         return rval;
4979 }
4980
4981 void
4982 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4983 {
4984         int ret, retries;
4985         struct qla_hw_data *ha = vha->hw;
4986
4987         if (ha->flags.pci_channel_io_perm_failure)
4988                 return;
4989         if (!IS_FWI2_CAPABLE(ha))
4990                 return;
4991         if (!ha->fw_major_version)
4992                 return;
4993
4994         ret = qla2x00_stop_firmware(vha);
4995         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4996             ret != QLA_INVALID_COMMAND && retries ; retries--) {
4997                 ha->isp_ops->reset_chip(vha);
4998                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4999                         continue;
5000                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5001                         continue;
5002                 ql_log(ql_log_info, vha, 0x8015,
5003                     "Attempting retry of stop-firmware command.\n");
5004                 ret = qla2x00_stop_firmware(vha);
5005         }
5006 }
5007
5008 int
5009 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5010 {
5011         int rval = QLA_SUCCESS;
5012         uint16_t mb[MAILBOX_REGISTER_COUNT];
5013         struct qla_hw_data *ha = vha->hw;
5014         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5015         struct req_que *req;
5016         struct rsp_que *rsp;
5017
5018         if (!vha->vp_idx)
5019                 return -EINVAL;
5020
5021         rval = qla2x00_fw_ready(base_vha);
5022         if (ha->flags.cpu_affinity_enabled)
5023                 req = ha->req_q_map[0];
5024         else
5025                 req = vha->req;
5026         rsp = req->rsp;
5027
5028         if (rval == QLA_SUCCESS) {
5029                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5030                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5031         }
5032
5033         vha->flags.management_server_logged_in = 0;
5034
5035         /* Login to SNS first */
5036         ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
5037         if (mb[0] != MBS_COMMAND_COMPLETE) {
5038                 ql_dbg(ql_dbg_init, vha, 0x0103,
5039                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
5040                     "mb[6]=%x mb[7]=%x.\n",
5041                     NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5042                 return (QLA_FUNCTION_FAILED);
5043         }
5044
5045         atomic_set(&vha->loop_down_timer, 0);
5046         atomic_set(&vha->loop_state, LOOP_UP);
5047         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5048         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5049         rval = qla2x00_loop_resync(base_vha);
5050
5051         return rval;
5052 }
5053
5054 /* 84XX Support **************************************************************/
5055
5056 static LIST_HEAD(qla_cs84xx_list);
5057 static DEFINE_MUTEX(qla_cs84xx_mutex);
5058
5059 static struct qla_chip_state_84xx *
5060 qla84xx_get_chip(struct scsi_qla_host *vha)
5061 {
5062         struct qla_chip_state_84xx *cs84xx;
5063         struct qla_hw_data *ha = vha->hw;
5064
5065         mutex_lock(&qla_cs84xx_mutex);
5066
5067         /* Find any shared 84xx chip. */
5068         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5069                 if (cs84xx->bus == ha->pdev->bus) {
5070                         kref_get(&cs84xx->kref);
5071                         goto done;
5072                 }
5073         }
5074
5075         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5076         if (!cs84xx)
5077                 goto done;
5078
5079         kref_init(&cs84xx->kref);
5080         spin_lock_init(&cs84xx->access_lock);
5081         mutex_init(&cs84xx->fw_update_mutex);
5082         cs84xx->bus = ha->pdev->bus;
5083
5084         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5085 done:
5086         mutex_unlock(&qla_cs84xx_mutex);
5087         return cs84xx;
5088 }
5089
5090 static void
5091 __qla84xx_chip_release(struct kref *kref)
5092 {
5093         struct qla_chip_state_84xx *cs84xx =
5094             container_of(kref, struct qla_chip_state_84xx, kref);
5095
5096         mutex_lock(&qla_cs84xx_mutex);
5097         list_del(&cs84xx->list);
5098         mutex_unlock(&qla_cs84xx_mutex);
5099         kfree(cs84xx);
5100 }
5101
5102 void
5103 qla84xx_put_chip(struct scsi_qla_host *vha)
5104 {
5105         struct qla_hw_data *ha = vha->hw;
5106         if (ha->cs84xx)
5107                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5108 }
5109
5110 static int
5111 qla84xx_init_chip(scsi_qla_host_t *vha)
5112 {
5113         int rval;
5114         uint16_t status[2];
5115         struct qla_hw_data *ha = vha->hw;
5116
5117         mutex_lock(&ha->cs84xx->fw_update_mutex);
5118
5119         rval = qla84xx_verify_chip(vha, status);
5120
5121         mutex_unlock(&ha->cs84xx->fw_update_mutex);
5122
5123         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5124             QLA_SUCCESS;
5125 }
5126
5127 /* 81XX Support **************************************************************/
5128
5129 int
5130 qla81xx_nvram_config(scsi_qla_host_t *vha)
5131 {
5132         int   rval;
5133         struct init_cb_81xx *icb;
5134         struct nvram_81xx *nv;
5135         uint32_t *dptr;
5136         uint8_t  *dptr1, *dptr2;
5137         uint32_t chksum;
5138         uint16_t cnt;
5139         struct qla_hw_data *ha = vha->hw;
5140
5141         rval = QLA_SUCCESS;
5142         icb = (struct init_cb_81xx *)ha->init_cb;
5143         nv = ha->nvram;
5144
5145         /* Determine NVRAM starting address. */
5146         ha->nvram_size = sizeof(struct nvram_81xx);
5147         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5148
5149         /* Get VPD data into cache */
5150         ha->vpd = ha->nvram + VPD_OFFSET;
5151         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5152             ha->vpd_size);
5153
5154         /* Get NVRAM data into cache and calculate checksum. */
5155         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5156             ha->nvram_size);
5157         dptr = (uint32_t *)nv;
5158         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5159                 chksum += le32_to_cpu(*dptr++);
5160
5161         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
5162             "Contents of NVRAM:\n");
5163         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
5164             (uint8_t *)nv, ha->nvram_size);
5165
5166         /* Bad NVRAM data, set defaults parameters. */
5167         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5168             || nv->id[3] != ' ' ||
5169             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5170                 /* Reset NVRAM data. */
5171                 ql_log(ql_log_info, vha, 0x0073,
5172                     "Inconisistent NVRAM detected: checksum=0x%x id=%c "
5173                     "version=0x%x.\n", chksum, nv->id[0],
5174                     le16_to_cpu(nv->nvram_version));
5175                 ql_log(ql_log_info, vha, 0x0074,
5176                     "Falling back to functioning (yet invalid -- WWPN) "
5177                     "defaults.\n");
5178
5179                 /*
5180                  * Set default initialization control block.
5181                  */
5182                 memset(nv, 0, ha->nvram_size);
5183                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5184                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5185                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5186                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5187                 nv->exchange_count = __constant_cpu_to_le16(0);
5188                 nv->port_name[0] = 0x21;
5189                 nv->port_name[1] = 0x00 + ha->port_no;
5190                 nv->port_name[2] = 0x00;
5191                 nv->port_name[3] = 0xe0;
5192                 nv->port_name[4] = 0x8b;
5193                 nv->port_name[5] = 0x1c;
5194                 nv->port_name[6] = 0x55;
5195                 nv->port_name[7] = 0x86;
5196                 nv->node_name[0] = 0x20;
5197                 nv->node_name[1] = 0x00;
5198                 nv->node_name[2] = 0x00;
5199                 nv->node_name[3] = 0xe0;
5200                 nv->node_name[4] = 0x8b;
5201                 nv->node_name[5] = 0x1c;
5202                 nv->node_name[6] = 0x55;
5203                 nv->node_name[7] = 0x86;
5204                 nv->login_retry_count = __constant_cpu_to_le16(8);
5205                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5206                 nv->login_timeout = __constant_cpu_to_le16(0);
5207                 nv->firmware_options_1 =
5208                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5209                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5210                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5211                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5212                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5213                 nv->efi_parameters = __constant_cpu_to_le32(0);
5214                 nv->reset_delay = 5;
5215                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5216                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5217                 nv->link_down_timeout = __constant_cpu_to_le16(30);
5218                 nv->enode_mac[0] = 0x00;
5219                 nv->enode_mac[1] = 0x02;
5220                 nv->enode_mac[2] = 0x03;
5221                 nv->enode_mac[3] = 0x04;
5222                 nv->enode_mac[4] = 0x05;
5223                 nv->enode_mac[5] = 0x06 + ha->port_no;
5224
5225                 rval = 1;
5226         }
5227
5228         /* Reset Initialization control block */
5229         memset(icb, 0, ha->init_cb_size);
5230
5231         /* Copy 1st segment. */
5232         dptr1 = (uint8_t *)icb;
5233         dptr2 = (uint8_t *)&nv->version;
5234         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5235         while (cnt--)
5236                 *dptr1++ = *dptr2++;
5237
5238         icb->login_retry_count = nv->login_retry_count;
5239
5240         /* Copy 2nd segment. */
5241         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5242         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5243         cnt = (uint8_t *)&icb->reserved_5 -
5244             (uint8_t *)&icb->interrupt_delay_timer;
5245         while (cnt--)
5246                 *dptr1++ = *dptr2++;
5247
5248         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5249         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5250         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5251                 icb->enode_mac[0] = 0x01;
5252                 icb->enode_mac[1] = 0x02;
5253                 icb->enode_mac[2] = 0x03;
5254                 icb->enode_mac[3] = 0x04;
5255                 icb->enode_mac[4] = 0x05;
5256                 icb->enode_mac[5] = 0x06 + ha->port_no;
5257         }
5258
5259         /* Use extended-initialization control block. */
5260         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5261
5262         /*
5263          * Setup driver NVRAM options.
5264          */
5265         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5266             "QLE8XXX");
5267
5268         /* Use alternate WWN? */
5269         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5270                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5271                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5272         }
5273
5274         /* Prepare nodename */
5275         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5276                 /*
5277                  * Firmware will apply the following mask if the nodename was
5278                  * not provided.
5279                  */
5280                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5281                 icb->node_name[0] &= 0xF0;
5282         }
5283
5284         /* Set host adapter parameters. */
5285         ha->flags.disable_risc_code_load = 0;
5286         ha->flags.enable_lip_reset = 0;
5287         ha->flags.enable_lip_full_login =
5288             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5289         ha->flags.enable_target_reset =
5290             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5291         ha->flags.enable_led_scheme = 0;
5292         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5293
5294         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5295             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5296
5297         /* save HBA serial number */
5298         ha->serial0 = icb->port_name[5];
5299         ha->serial1 = icb->port_name[6];
5300         ha->serial2 = icb->port_name[7];
5301         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5302         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5303
5304         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5305
5306         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5307
5308         /* Set minimum login_timeout to 4 seconds. */
5309         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5310                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5311         if (le16_to_cpu(nv->login_timeout) < 4)
5312                 nv->login_timeout = __constant_cpu_to_le16(4);
5313         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5314         icb->login_timeout = nv->login_timeout;
5315
5316         /* Set minimum RATOV to 100 tenths of a second. */
5317         ha->r_a_tov = 100;
5318
5319         ha->loop_reset_delay = nv->reset_delay;
5320
5321         /* Link Down Timeout = 0:
5322          *
5323          *      When Port Down timer expires we will start returning
5324          *      I/O's to OS with "DID_NO_CONNECT".
5325          *
5326          * Link Down Timeout != 0:
5327          *
5328          *       The driver waits for the link to come up after link down
5329          *       before returning I/Os to OS with "DID_NO_CONNECT".
5330          */
5331         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5332                 ha->loop_down_abort_time =
5333                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5334         } else {
5335                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5336                 ha->loop_down_abort_time =
5337                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5338         }
5339
5340         /* Need enough time to try and get the port back. */
5341         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5342         if (qlport_down_retry)
5343                 ha->port_down_retry_count = qlport_down_retry;
5344
5345         /* Set login_retry_count */
5346         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5347         if (ha->port_down_retry_count ==
5348             le16_to_cpu(nv->port_down_retry_count) &&
5349             ha->port_down_retry_count > 3)
5350                 ha->login_retry_count = ha->port_down_retry_count;
5351         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5352                 ha->login_retry_count = ha->port_down_retry_count;
5353         if (ql2xloginretrycount)
5354                 ha->login_retry_count = ql2xloginretrycount;
5355
5356         /* Enable ZIO. */
5357         if (!vha->flags.init_done) {
5358                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5359                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5360                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5361                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5362         }
5363         icb->firmware_options_2 &= __constant_cpu_to_le32(
5364             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5365         vha->flags.process_response_queue = 0;
5366         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5367                 ha->zio_mode = QLA_ZIO_MODE_6;
5368
5369                 ql_log(ql_log_info, vha, 0x0075,
5370                     "ZIO mode %d enabled; timer delay (%d us).\n",
5371                     ha->zio_mode,
5372                     ha->zio_timer * 100);
5373
5374                 icb->firmware_options_2 |= cpu_to_le32(
5375                     (uint32_t)ha->zio_mode);
5376                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5377                 vha->flags.process_response_queue = 1;
5378         }
5379
5380         if (rval) {
5381                 ql_log(ql_log_warn, vha, 0x0076,
5382                     "NVRAM configuration failed.\n");
5383         }
5384         return (rval);
5385 }
5386
5387 int
5388 qla82xx_restart_isp(scsi_qla_host_t *vha)
5389 {
5390         int status, rval;
5391         uint32_t wait_time;
5392         struct qla_hw_data *ha = vha->hw;
5393         struct req_que *req = ha->req_q_map[0];
5394         struct rsp_que *rsp = ha->rsp_q_map[0];
5395         struct scsi_qla_host *vp;
5396         unsigned long flags;
5397
5398         status = qla2x00_init_rings(vha);
5399         if (!status) {
5400                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5401                 ha->flags.chip_reset_done = 1;
5402
5403                 status = qla2x00_fw_ready(vha);
5404                 if (!status) {
5405                         ql_log(ql_log_info, vha, 0x803c,
5406                             "Start configure loop, status =%d.\n", status);
5407
5408                         /* Issue a marker after FW becomes ready. */
5409                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5410
5411                         vha->flags.online = 1;
5412                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5413                         wait_time = 256;
5414                         do {
5415                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5416                                 qla2x00_configure_loop(vha);
5417                                 wait_time--;
5418                         } while (!atomic_read(&vha->loop_down_timer) &&
5419                             !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5420                             wait_time &&
5421                             (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5422                 }
5423
5424                 /* if no cable then assume it's good */
5425                 if ((vha->device_flags & DFLG_NO_CABLE))
5426                         status = 0;
5427
5428                 ql_log(ql_log_info, vha, 0x8000,
5429                     "Configure loop done, status = 0x%x.\n", status);
5430         }
5431
5432         if (!status) {
5433                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5434
5435                 if (!atomic_read(&vha->loop_down_timer)) {
5436                         /*
5437                          * Issue marker command only when we are going
5438                          * to start the I/O .
5439                          */
5440                         vha->marker_needed = 1;
5441                 }
5442
5443                 vha->flags.online = 1;
5444
5445                 ha->isp_ops->enable_intrs(ha);
5446
5447                 ha->isp_abort_cnt = 0;
5448                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5449
5450                 /* Update the firmware version */
5451                 status = qla82xx_check_md_needed(vha);
5452
5453                 if (ha->fce) {
5454                         ha->flags.fce_enabled = 1;
5455                         memset(ha->fce, 0,
5456                             fce_calc_size(ha->fce_bufs));
5457                         rval = qla2x00_enable_fce_trace(vha,
5458                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5459                             &ha->fce_bufs);
5460                         if (rval) {
5461                                 ql_log(ql_log_warn, vha, 0x8001,
5462                                     "Unable to reinitialize FCE (%d).\n",
5463                                     rval);
5464                                 ha->flags.fce_enabled = 0;
5465                         }
5466                 }
5467
5468                 if (ha->eft) {
5469                         memset(ha->eft, 0, EFT_SIZE);
5470                         rval = qla2x00_enable_eft_trace(vha,
5471                             ha->eft_dma, EFT_NUM_BUFFERS);
5472                         if (rval) {
5473                                 ql_log(ql_log_warn, vha, 0x8010,
5474                                     "Unable to reinitialize EFT (%d).\n",
5475                                     rval);
5476                         }
5477                 }
5478         }
5479
5480         if (!status) {
5481                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
5482                     "qla82xx_restart_isp succeeded.\n");
5483
5484                 spin_lock_irqsave(&ha->vport_slock, flags);
5485                 list_for_each_entry(vp, &ha->vp_list, list) {
5486                         if (vp->vp_idx) {
5487                                 atomic_inc(&vp->vref_count);
5488                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5489
5490                                 qla2x00_vp_abort_isp(vp);
5491
5492                                 spin_lock_irqsave(&ha->vport_slock, flags);
5493                                 atomic_dec(&vp->vref_count);
5494                         }
5495                 }
5496                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5497
5498         } else {
5499                 ql_log(ql_log_warn, vha, 0x8016,
5500                     "qla82xx_restart_isp **** FAILED ****.\n");
5501         }
5502
5503         return status;
5504 }
5505
5506 void
5507 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5508 {
5509         struct qla_hw_data *ha = vha->hw;
5510
5511         if (!ql2xetsenable)
5512                 return;
5513
5514         /* Enable ETS Burst. */
5515         memset(ha->fw_options, 0, sizeof(ha->fw_options));
5516         ha->fw_options[2] |= BIT_9;
5517         qla2x00_set_fw_options(vha, ha->fw_options);
5518 }
5519
5520 /*
5521  * qla24xx_get_fcp_prio
5522  *      Gets the fcp cmd priority value for the logged in port.
5523  *      Looks for a match of the port descriptors within
5524  *      each of the fcp prio config entries. If a match is found,
5525  *      the tag (priority) value is returned.
5526  *
5527  * Input:
5528  *      vha = scsi host structure pointer.
5529  *      fcport = port structure pointer.
5530  *
5531  * Return:
5532  *      non-zero (if found)
5533  *      -1 (if not found)
5534  *
5535  * Context:
5536  *      Kernel context
5537  */
5538 static int
5539 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5540 {
5541         int i, entries;
5542         uint8_t pid_match, wwn_match;
5543         int priority;
5544         uint32_t pid1, pid2;
5545         uint64_t wwn1, wwn2;
5546         struct qla_fcp_prio_entry *pri_entry;
5547         struct qla_hw_data *ha = vha->hw;
5548
5549         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5550                 return -1;
5551
5552         priority = -1;
5553         entries = ha->fcp_prio_cfg->num_entries;
5554         pri_entry = &ha->fcp_prio_cfg->entry[0];
5555
5556         for (i = 0; i < entries; i++) {
5557                 pid_match = wwn_match = 0;
5558
5559                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5560                         pri_entry++;
5561                         continue;
5562                 }
5563
5564                 /* check source pid for a match */
5565                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5566                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5567                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5568                         if (pid1 == INVALID_PORT_ID)
5569                                 pid_match++;
5570                         else if (pid1 == pid2)
5571                                 pid_match++;
5572                 }
5573
5574                 /* check destination pid for a match */
5575                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5576                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5577                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5578                         if (pid1 == INVALID_PORT_ID)
5579                                 pid_match++;
5580                         else if (pid1 == pid2)
5581                                 pid_match++;
5582                 }
5583
5584                 /* check source WWN for a match */
5585                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5586                         wwn1 = wwn_to_u64(vha->port_name);
5587                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5588                         if (wwn2 == (uint64_t)-1)
5589                                 wwn_match++;
5590                         else if (wwn1 == wwn2)
5591                                 wwn_match++;
5592                 }
5593
5594                 /* check destination WWN for a match */
5595                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5596                         wwn1 = wwn_to_u64(fcport->port_name);
5597                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5598                         if (wwn2 == (uint64_t)-1)
5599                                 wwn_match++;
5600                         else if (wwn1 == wwn2)
5601                                 wwn_match++;
5602                 }
5603
5604                 if (pid_match == 2 || wwn_match == 2) {
5605                         /* Found a matching entry */
5606                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5607                                 priority = pri_entry->tag;
5608                         break;
5609                 }
5610
5611                 pri_entry++;
5612         }
5613
5614         return priority;
5615 }
5616
5617 /*
5618  * qla24xx_update_fcport_fcp_prio
5619  *      Activates fcp priority for the logged in fc port
5620  *
5621  * Input:
5622  *      vha = scsi host structure pointer.
5623  *      fcp = port structure pointer.
5624  *
5625  * Return:
5626  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5627  *
5628  * Context:
5629  *      Kernel context.
5630  */
5631 int
5632 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5633 {
5634         int ret;
5635         int priority;
5636         uint16_t mb[5];
5637
5638         if (fcport->port_type != FCT_TARGET ||
5639             fcport->loop_id == FC_NO_LOOP_ID)
5640                 return QLA_FUNCTION_FAILED;
5641
5642         priority = qla24xx_get_fcp_prio(vha, fcport);
5643         if (priority < 0)
5644                 return QLA_FUNCTION_FAILED;
5645
5646         if (IS_QLA82XX(vha->hw)) {
5647                 fcport->fcp_prio = priority & 0xf;
5648                 return QLA_SUCCESS;
5649         }
5650
5651         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
5652         if (ret == QLA_SUCCESS) {
5653                 if (fcport->fcp_prio != priority)
5654                         ql_dbg(ql_dbg_user, vha, 0x709e,
5655                             "Updated FCP_CMND priority - value=%d loop_id=%d "
5656                             "port_id=%02x%02x%02x.\n", priority,
5657                             fcport->loop_id, fcport->d_id.b.domain,
5658                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
5659                 fcport->fcp_prio = priority & 0xf;
5660         } else
5661                 ql_dbg(ql_dbg_user, vha, 0x704f,
5662                     "Unable to update FCP_CMND priority - ret=0x%x for "
5663                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
5664                     fcport->d_id.b.domain, fcport->d_id.b.area,
5665                     fcport->d_id.b.al_pa);
5666         return  ret;
5667 }
5668
5669 /*
5670  * qla24xx_update_all_fcp_prio
5671  *      Activates fcp priority for all the logged in ports
5672  *
5673  * Input:
5674  *      ha = adapter block pointer.
5675  *
5676  * Return:
5677  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5678  *
5679  * Context:
5680  *      Kernel context.
5681  */
5682 int
5683 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5684 {
5685         int ret;
5686         fc_port_t *fcport;
5687
5688         ret = QLA_FUNCTION_FAILED;
5689         /* We need to set priority for all logged in ports */
5690         list_for_each_entry(fcport, &vha->vp_fcports, list)
5691                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5692
5693         return ret;
5694 }