drivers/scsi/qla2xxx/qla_init.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2008 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 int qla2x00_find_new_loop_id(scsi_qla_host_t *, fc_port_t *);
  39
  40 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  41 static int qla84xx_init_chip(scsi_qla_host_t *);
  42 static int qla25xx_init_queues(struct qla_hw_data *);
  43
  44 /* SRB Extensions ---------------------------------------------------------- */
  45
  46 static void
  47 qla2x00_ctx_sp_timeout(unsigned long __data)
  48 {
  49         srb_t *sp = (srb_t *)__data;
  50         struct srb_ctx *ctx;
  51         struct srb_iocb *iocb;
  52         fc_port_t *fcport = sp->fcport;
  53         struct qla_hw_data *ha = fcport->vha->hw;
  54         struct req_que *req;
  55         unsigned long flags;
  56
  57         spin_lock_irqsave(&ha->hardware_lock, flags);
  58         req = ha->req_q_map[0];
  59         req->outstanding_cmds[sp->handle] = NULL;
  60         ctx = sp->ctx;
  61         iocb = ctx->u.iocb_cmd;
  62         iocb->timeout(sp);
  63         iocb->free(sp);
  64         spin_unlock_irqrestore(&ha->hardware_lock, flags);
  65 }
  66
  67 void
  68 qla2x00_ctx_sp_free(srb_t *sp)
  69 {
  70         struct srb_ctx *ctx = sp->ctx;
  71         struct srb_iocb *iocb = ctx->u.iocb_cmd;
  72
  73         del_timer_sync(&iocb->timer);
  74         kfree(iocb);
  75         kfree(ctx);
  76         mempool_free(sp, sp->fcport->vha->hw->srb_mempool);
  77 }
  78
  79 inline srb_t *
  80 qla2x00_get_ctx_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size,
  81     unsigned long tmo)
  82 {
  83         srb_t *sp;
  84         struct qla_hw_data *ha = vha->hw;
  85         struct srb_ctx *ctx;
  86         struct srb_iocb *iocb;
  87
  88         sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
  89         if (!sp)
  90                 goto done;
  91         ctx = kzalloc(size, GFP_KERNEL);
  92         if (!ctx) {
  93                 mempool_free(sp, ha->srb_mempool);
  94                 sp = NULL;
  95                 goto done;
  96         }
  97         iocb = kzalloc(sizeof(struct srb_iocb), GFP_KERNEL);
  98         if (!iocb) {
  99                 mempool_free(sp, ha->srb_mempool);
 100                 sp = NULL;
 101                 kfree(ctx);
 102                 goto done;
 103         }
 104
 105         memset(sp, 0, sizeof(*sp));
 106         sp->fcport = fcport;
 107         sp->ctx = ctx;
 108         ctx->u.iocb_cmd = iocb;
 109         iocb->free = qla2x00_ctx_sp_free;
 110
 111         init_timer(&iocb->timer);
 112         if (!tmo)
 113                 goto done;
 114         iocb->timer.expires = jiffies + tmo * HZ;
 115         iocb->timer.data = (unsigned long)sp;
 116         iocb->timer.function = qla2x00_ctx_sp_timeout;
 117         add_timer(&iocb->timer);
 118 done:
 119         return sp;
 120 }
 121
 122 /* Asynchronous Login/Logout Routines -------------------------------------- */
 123
 124 #define ELS_TMO_2_RATOV(ha) ((ha)->r_a_tov / 10 * 2)
 125
 126 static void
 127 qla2x00_async_iocb_timeout(srb_t *sp)
 128 {
 129         fc_port_t *fcport = sp->fcport;
 130         struct srb_ctx *ctx = sp->ctx;
 131
 132         DEBUG2(printk(KERN_WARNING
 133                 "scsi(%ld:%x): Async-%s timeout - portid=%02x%02x%02x.\n",
 134                 fcport->vha->host_no, sp->handle,
 135                 ctx->name, fcport->d_id.b.domain,
 136                 fcport->d_id.b.area, fcport->d_id.b.al_pa));
 137
 138         fcport->flags &= ~FCF_ASYNC_SENT;
 139         if (ctx->type == SRB_LOGIN_CMD) {
 140                 struct srb_iocb *lio = ctx->u.iocb_cmd;
 141                 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
 142                 /* Retry as needed. */
 143                 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 144                 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 145                         QLA_LOGIO_LOGIN_RETRIED : 0;
 146                 qla2x00_post_async_login_done_work(fcport->vha, fcport,
 147                         lio->u.logio.data);
 148         }
 149 }
 150
 151 static void
 152 qla2x00_async_login_ctx_done(srb_t *sp)
 153 {
 154         struct srb_ctx *ctx = sp->ctx;
 155         struct srb_iocb *lio = ctx->u.iocb_cmd;
 156
 157         qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
 158                 lio->u.logio.data);
 159         lio->free(sp);
 160 }
 161
 162 int
 163 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 164     uint16_t *data)
 165 {
 166         struct qla_hw_data *ha = vha->hw;
 167         srb_t *sp;
 168         struct srb_ctx *ctx;
 169         struct srb_iocb *lio;
 170         int rval;
 171
 172         rval = QLA_FUNCTION_FAILED;
 173         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 174             ELS_TMO_2_RATOV(ha) + 2);
 175         if (!sp)
 176                 goto done;
 177
 178         ctx = sp->ctx;
 179         ctx->type = SRB_LOGIN_CMD;
 180         ctx->name = "login";
 181         lio = ctx->u.iocb_cmd;
 182         lio->timeout = qla2x00_async_iocb_timeout;
 183         lio->done = qla2x00_async_login_ctx_done;
 184         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 185         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 186                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 187         rval = qla2x00_start_sp(sp);
 188         if (rval != QLA_SUCCESS)
 189                 goto done_free_sp;
 190
 191         DEBUG2(printk(KERN_DEBUG
 192             "scsi(%ld:%x): Async-login - loop-id=%x portid=%02x%02x%02x "
 193             "retries=%d.\n", fcport->vha->host_no, sp->handle, fcport->loop_id,
 194             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 195             fcport->login_retry));
 196         return rval;
 197
 198 done_free_sp:
 199         lio->free(sp);
 200 done:
 201         return rval;
 202 }
 203
 204 static void
 205 qla2x00_async_logout_ctx_done(srb_t *sp)
 206 {
 207         struct srb_ctx *ctx = sp->ctx;
 208         struct srb_iocb *lio = ctx->u.iocb_cmd;
 209
 210         qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
 211             lio->u.logio.data);
 212         lio->free(sp);
 213 }
 214
 215 int
 216 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 217 {
 218         struct qla_hw_data *ha = vha->hw;
 219         srb_t *sp;
 220         struct srb_ctx *ctx;
 221         struct srb_iocb *lio;
 222         int rval;
 223
 224         rval = QLA_FUNCTION_FAILED;
 225         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 226             ELS_TMO_2_RATOV(ha) + 2);
 227         if (!sp)
 228                 goto done;
 229
 230         ctx = sp->ctx;
 231         ctx->type = SRB_LOGOUT_CMD;
 232         ctx->name = "logout";
 233         lio = ctx->u.iocb_cmd;
 234         lio->timeout = qla2x00_async_iocb_timeout;
 235         lio->done = qla2x00_async_logout_ctx_done;
 236         rval = qla2x00_start_sp(sp);
 237         if (rval != QLA_SUCCESS)
 238                 goto done_free_sp;
 239
 240         DEBUG2(printk(KERN_DEBUG
 241             "scsi(%ld:%x): Async-logout - loop-id=%x portid=%02x%02x%02x.\n",
 242             fcport->vha->host_no, sp->handle, fcport->loop_id,
 243             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
 244         return rval;
 245
 246 done_free_sp:
 247         lio->free(sp);
 248 done:
 249         return rval;
 250 }
 251
 252 static void
 253 qla2x00_async_adisc_ctx_done(srb_t *sp)
 254 {
 255         struct srb_ctx *ctx = sp->ctx;
 256         struct srb_iocb *lio = ctx->u.iocb_cmd;
 257
 258         qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
 259             lio->u.logio.data);
 260         lio->free(sp);
 261 }
 262
 263 int
 264 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 265     uint16_t *data)
 266 {
 267         struct qla_hw_data *ha = vha->hw;
 268         srb_t *sp;
 269         struct srb_ctx *ctx;
 270         struct srb_iocb *lio;
 271         int rval;
 272
 273         rval = QLA_FUNCTION_FAILED;
 274         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 275             ELS_TMO_2_RATOV(ha) + 2);
 276         if (!sp)
 277                 goto done;
 278
 279         ctx = sp->ctx;
 280         ctx->type = SRB_ADISC_CMD;
 281         ctx->name = "adisc";
 282         lio = ctx->u.iocb_cmd;
 283         lio->timeout = qla2x00_async_iocb_timeout;
 284         lio->done = qla2x00_async_adisc_ctx_done;
 285         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 286                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 287         rval = qla2x00_start_sp(sp);
 288         if (rval != QLA_SUCCESS)
 289                 goto done_free_sp;
 290
 291         DEBUG2(printk(KERN_DEBUG
 292             "scsi(%ld:%x): Async-adisc - loop-id=%x portid=%02x%02x%02x.\n",
 293             fcport->vha->host_no, sp->handle, fcport->loop_id,
 294             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
 295
 296         return rval;
 297
 298 done_free_sp:
 299         lio->free(sp);
 300 done:
 301         return rval;
 302 }
 303
 304 static void
 305 qla2x00_async_tm_cmd_ctx_done(srb_t *sp)
 306 {
 307         struct srb_ctx *ctx = sp->ctx;
 308         struct srb_iocb *iocb = (struct srb_iocb *)ctx->u.iocb_cmd;
 309
 310         qla2x00_async_tm_cmd_done(sp->fcport->vha, sp->fcport, iocb);
 311         iocb->free(sp);
 312 }
 313
 314 int
 315 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
 316         uint32_t tag)
 317 {
 318         struct scsi_qla_host *vha = fcport->vha;
 319         struct qla_hw_data *ha = vha->hw;
 320         srb_t *sp;
 321         struct srb_ctx *ctx;
 322         struct srb_iocb *tcf;
 323         int rval;
 324
 325         rval = QLA_FUNCTION_FAILED;
 326         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 327             ELS_TMO_2_RATOV(ha) + 2);
 328         if (!sp)
 329                 goto done;
 330
 331         ctx = sp->ctx;
 332         ctx->type = SRB_TM_CMD;
 333         ctx->name = "tmf";
 334         tcf = ctx->u.iocb_cmd;
 335         tcf->u.tmf.flags = flags;
 336         tcf->u.tmf.lun = lun;
 337         tcf->u.tmf.data = tag;
 338         tcf->timeout = qla2x00_async_iocb_timeout;
 339         tcf->done = qla2x00_async_tm_cmd_ctx_done;
 340
 341         rval = qla2x00_start_sp(sp);
 342         if (rval != QLA_SUCCESS)
 343                 goto done_free_sp;
 344
 345         DEBUG2(printk(KERN_DEBUG
 346             "scsi(%ld:%x): Async-tmf - loop-id=%x portid=%02x%02x%02x.\n",
 347             fcport->vha->host_no, sp->handle, fcport->loop_id,
 348             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
 349
 350         return rval;
 351
 352 done_free_sp:
 353         tcf->free(sp);
 354 done:
 355         return rval;
 356 }
 357
 358 static void
 359 qla2x00_async_marker_ctx_done(srb_t *sp)
 360 {
 361         struct srb_ctx *ctx = sp->ctx;
 362         struct srb_iocb *iocb = (struct srb_iocb *)ctx->u.iocb_cmd;
 363
 364         qla2x00_async_marker_done(sp->fcport->vha, sp->fcport, iocb);
 365         iocb->free(sp);
 366 }
 367
 368 int
 369 qla2x00_async_marker(fc_port_t *fcport, uint16_t lun, uint8_t modif)
 370 {
 371         struct scsi_qla_host *vha = fcport->vha;
 372         srb_t *sp;
 373         struct srb_ctx *ctx;
 374         struct srb_iocb *mrk;
 375         int rval;
 376
 377         rval = QLA_FUNCTION_FAILED;
 378         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx), 0);
 379         if (!sp)
 380                 goto done;
 381
 382         ctx = sp->ctx;
 383         ctx->type = SRB_MARKER_CMD;
 384         ctx->name = "marker";
 385         mrk = ctx->u.iocb_cmd;
 386         mrk->u.marker.lun = lun;
 387         mrk->u.marker.modif = modif;
 388         mrk->timeout = qla2x00_async_iocb_timeout;
 389         mrk->done = qla2x00_async_marker_ctx_done;
 390
 391         rval = qla2x00_start_sp(sp);
 392         if (rval != QLA_SUCCESS)
 393                 goto done_free_sp;
 394
 395         DEBUG2(printk(KERN_DEBUG
 396             "scsi(%ld:%x): Async-marker - loop-id=%x "
 397             "portid=%02x%02x%02x.\n",
 398             fcport->vha->host_no, sp->handle, fcport->loop_id,
 399             fcport->d_id.b.domain, fcport->d_id.b.area,
 400             fcport->d_id.b.al_pa));
 401
 402         return rval;
 403
 404 done_free_sp:
 405         mrk->free(sp);
 406 done:
 407         return rval;
 408 }
 409
 410 void
 411 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 412     uint16_t *data)
 413 {
 414         int rval;
 415
 416         switch (data[0]) {
 417         case MBS_COMMAND_COMPLETE:
 418                 if (fcport->flags & FCF_FCP2_DEVICE) {
 419                         fcport->flags |= FCF_ASYNC_SENT;
 420                         qla2x00_post_async_adisc_work(vha, fcport, data);
 421                         break;
 422                 }
 423                 qla2x00_update_fcport(vha, fcport);
 424                 break;
 425         case MBS_COMMAND_ERROR:
 426                 fcport->flags &= ~FCF_ASYNC_SENT;
 427                 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 428                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 429                 else
 430                         qla2x00_mark_device_lost(vha, fcport, 1, 1);
 431                 break;
 432         case MBS_PORT_ID_USED:
 433                 fcport->loop_id = data[1];
 434                 qla2x00_post_async_logout_work(vha, fcport, NULL);
 435                 qla2x00_post_async_login_work(vha, fcport, NULL);
 436                 break;
 437         case MBS_LOOP_ID_USED:
 438                 fcport->loop_id++;
 439                 rval = qla2x00_find_new_loop_id(vha, fcport);
 440                 if (rval != QLA_SUCCESS) {
 441                         fcport->flags &= ~FCF_ASYNC_SENT;
 442                         qla2x00_mark_device_lost(vha, fcport, 1, 1);
 443                         break;
 444                 }
 445                 qla2x00_post_async_login_work(vha, fcport, NULL);
 446                 break;
 447         }
 448         return;
 449 }
 450
 451 void
 452 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 453     uint16_t *data)
 454 {
 455         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 456         return;
 457 }
 458
 459 void
 460 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 461     uint16_t *data)
 462 {
 463         if (data[0] == MBS_COMMAND_COMPLETE) {
 464                 qla2x00_update_fcport(vha, fcport);
 465
 466                 return;
 467         }
 468
 469         /* Retry login. */
 470         fcport->flags &= ~FCF_ASYNC_SENT;
 471         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 472                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 473         else
 474                 qla2x00_mark_device_lost(vha, fcport, 1, 1);
 475
 476         return;
 477 }
 478
 479 void
 480 qla2x00_async_tm_cmd_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 481     struct srb_iocb *iocb)
 482 {
 483         int rval;
 484         uint32_t flags;
 485         uint16_t lun;
 486
 487         flags = iocb->u.tmf.flags;
 488         lun = (uint16_t)iocb->u.tmf.lun;
 489
 490         /* Issue Marker IOCB */
 491         rval = qla2x00_async_marker(fcport, lun,
 492                 flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
 493
 494         if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
 495                 DEBUG2_3_11(printk(KERN_WARNING
 496                         "%s(%ld): TM IOCB failed (%x).\n",
 497                         __func__, vha->host_no, rval));
 498         }
 499
 500         return;
 501 }
 502
 503 void
 504 qla2x00_async_marker_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 505     struct srb_iocb *iocb)
 506 {
 507         /*
 508          * Currently we dont have any specific post response processing
 509          * for this IOCB. We'll just return success or failed
 510          * depending on whether the IOCB command succeeded or failed.
 511          */
 512         if (iocb->u.tmf.data) {
 513                 DEBUG2_3_11(printk(KERN_WARNING
 514                     "%s(%ld): Marker IOCB failed (%x).\n",
 515                     __func__, vha->host_no, iocb->u.tmf.data));
 516         }
 517
 518         return;
 519 }
 520
 521 /****************************************************************************/
 522 /*                QLogic ISP2x00 Hardware Support Functions.                */
 523 /****************************************************************************/
 524
 525 /*
 526 * qla2x00_initialize_adapter
 527 *      Initialize board.
 528 *
 529 * Input:
 530 *      ha = adapter block pointer.
 531 *
 532 * Returns:
 533 *      0 = success
 534 */
 535 int
 536 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 537 {
 538         int     rval;
 539         struct qla_hw_data *ha = vha->hw;
 540         struct req_que *req = ha->req_q_map[0];
 541
 542         /* Clear adapter flags. */
 543         vha->flags.online = 0;
 544         ha->flags.chip_reset_done = 0;
 545         vha->flags.reset_active = 0;
 546         ha->flags.pci_channel_io_perm_failure = 0;
 547         ha->flags.eeh_busy = 0;
 548         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 549         atomic_set(&vha->loop_state, LOOP_DOWN);
 550         vha->device_flags = DFLG_NO_CABLE;
 551         vha->dpc_flags = 0;
 552         vha->flags.management_server_logged_in = 0;
 553         vha->marker_needed = 0;
 554         ha->isp_abort_cnt = 0;
 555         ha->beacon_blink_led = 0;
 556
 557         set_bit(0, ha->req_qid_map);
 558         set_bit(0, ha->rsp_qid_map);
 559
 560         qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
 561         rval = ha->isp_ops->pci_config(vha);
 562         if (rval) {
 563                 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
 564                     vha->host_no));
 565                 return (rval);
 566         }
 567
 568         ha->isp_ops->reset_chip(vha);
 569
 570         rval = qla2xxx_get_flash_info(vha);
 571         if (rval) {
 572                 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
 573                     vha->host_no));
 574                 return (rval);
 575         }
 576
 577         ha->isp_ops->get_flash_version(vha, req->ring);
 578
 579         qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
 580
 581         ha->isp_ops->nvram_config(vha);
 582
 583         if (ha->flags.disable_serdes) {
 584                 /* Mask HBA via NVRAM settings? */
 585                 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
 586                     "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
 587                     vha->port_name[0], vha->port_name[1],
 588                     vha->port_name[2], vha->port_name[3],
 589                     vha->port_name[4], vha->port_name[5],
 590                     vha->port_name[6], vha->port_name[7]);
 591                 return QLA_FUNCTION_FAILED;
 592         }
 593
 594         qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
 595
 596         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 597                 rval = ha->isp_ops->chip_diag(vha);
 598                 if (rval)
 599                         return (rval);
 600                 rval = qla2x00_setup_chip(vha);
 601                 if (rval)
 602                         return (rval);
 603         }
 604
 605         if (IS_QLA84XX(ha)) {
 606                 ha->cs84xx = qla84xx_get_chip(vha);
 607                 if (!ha->cs84xx) {
 608                         qla_printk(KERN_ERR, ha,
 609                             "Unable to configure ISP84XX.\n");
 610                         return QLA_FUNCTION_FAILED;
 611                 }
 612         }
 613         rval = qla2x00_init_rings(vha);
 614         ha->flags.chip_reset_done = 1;
 615
 616         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
 617                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
 618                 rval = qla84xx_init_chip(vha);
 619                 if (rval != QLA_SUCCESS) {
 620                         qla_printk(KERN_ERR, ha,
 621                                 "Unable to initialize ISP84XX.\n");
 622                 qla84xx_put_chip(vha);
 623                 }
 624         }
 625
 626         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)) {
 627                 if (qla24xx_read_fcp_prio_cfg(vha))
 628                         qla_printk(KERN_ERR, ha,
 629                         "Unable to read FCP priority data.\n");
 630         }
 631
 632         return (rval);
 633 }
 634
 635 /**
 636  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 637  * @ha: HA context
 638  *
 639  * Returns 0 on success.
 640  */
 641 int
 642 qla2100_pci_config(scsi_qla_host_t *vha)
 643 {
 644         uint16_t w;
 645         unsigned long flags;
 646         struct qla_hw_data *ha = vha->hw;
 647         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 648
 649         pci_set_master(ha->pdev);
 650         pci_try_set_mwi(ha->pdev);
 651
 652         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 653         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 654         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 655
 656         pci_disable_rom(ha->pdev);
 657
 658         /* Get PCI bus information. */
 659         spin_lock_irqsave(&ha->hardware_lock, flags);
 660         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 661         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 662
 663         return QLA_SUCCESS;
 664 }
 665
 666 /**
 667  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 668  * @ha: HA context
 669  *
 670  * Returns 0 on success.
 671  */
 672 int
 673 qla2300_pci_config(scsi_qla_host_t *vha)
 674 {
 675         uint16_t        w;
 676         unsigned long   flags = 0;
 677         uint32_t        cnt;
 678         struct qla_hw_data *ha = vha->hw;
 679         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 680
 681         pci_set_master(ha->pdev);
 682         pci_try_set_mwi(ha->pdev);
 683
 684         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 685         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 686
 687         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 688                 w &= ~PCI_COMMAND_INTX_DISABLE;
 689         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 690
 691         /*
 692          * If this is a 2300 card and not 2312, reset the
 693          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 694          * the 2310 also reports itself as a 2300 so we need to get the
 695          * fb revision level -- a 6 indicates it really is a 2300 and
 696          * not a 2310.
 697          */
 698         if (IS_QLA2300(ha)) {
 699                 spin_lock_irqsave(&ha->hardware_lock, flags);
 700
 701                 /* Pause RISC. */
 702                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 703                 for (cnt = 0; cnt < 30000; cnt++) {
 704                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 705                                 break;
 706
 707                         udelay(10);
 708                 }
 709
 710                 /* Select FPM registers. */
 711                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 712                 RD_REG_WORD(&reg->ctrl_status);
 713
 714                 /* Get the fb rev level */
 715                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 716
 717                 if (ha->fb_rev == FPM_2300)
 718                         pci_clear_mwi(ha->pdev);
 719
 720                 /* Deselect FPM registers. */
 721                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 722                 RD_REG_WORD(&reg->ctrl_status);
 723
 724                 /* Release RISC module. */
 725                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 726                 for (cnt = 0; cnt < 30000; cnt++) {
 727                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 728                                 break;
 729
 730                         udelay(10);
 731                 }
 732
 733                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 734         }
 735
 736         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 737
 738         pci_disable_rom(ha->pdev);
 739
 740         /* Get PCI bus information. */
 741         spin_lock_irqsave(&ha->hardware_lock, flags);
 742         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 743         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 744
 745         return QLA_SUCCESS;
 746 }
 747
 748 /**
 749  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 750  * @ha: HA context
 751  *
 752  * Returns 0 on success.
 753  */
 754 int
 755 qla24xx_pci_config(scsi_qla_host_t *vha)
 756 {
 757         uint16_t w;
 758         unsigned long flags = 0;
 759         struct qla_hw_data *ha = vha->hw;
 760         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 761
 762         pci_set_master(ha->pdev);
 763         pci_try_set_mwi(ha->pdev);
 764
 765         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 766         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 767         w &= ~PCI_COMMAND_INTX_DISABLE;
 768         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 769
 770         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 771
 772         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 773         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 774                 pcix_set_mmrbc(ha->pdev, 2048);
 775
 776         /* PCIe -- adjust Maximum Read Request Size (2048). */
 777         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 778                 pcie_set_readrq(ha->pdev, 2048);
 779
 780         pci_disable_rom(ha->pdev);
 781
 782         ha->chip_revision = ha->pdev->revision;
 783
 784         /* Get PCI bus information. */
 785         spin_lock_irqsave(&ha->hardware_lock, flags);
 786         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 787         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 788
 789         return QLA_SUCCESS;
 790 }
 791
 792 /**
 793  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 794  * @ha: HA context
 795  *
 796  * Returns 0 on success.
 797  */
 798 int
 799 qla25xx_pci_config(scsi_qla_host_t *vha)
 800 {
 801         uint16_t w;
 802         struct qla_hw_data *ha = vha->hw;
 803
 804         pci_set_master(ha->pdev);
 805         pci_try_set_mwi(ha->pdev);
 806
 807         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 808         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 809         w &= ~PCI_COMMAND_INTX_DISABLE;
 810         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 811
 812         /* PCIe -- adjust Maximum Read Request Size (2048). */
 813         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 814                 pcie_set_readrq(ha->pdev, 2048);
 815
 816         pci_disable_rom(ha->pdev);
 817
 818         ha->chip_revision = ha->pdev->revision;
 819
 820         return QLA_SUCCESS;
 821 }
 822
 823 /**
 824  * qla2x00_isp_firmware() - Choose firmware image.
 825  * @ha: HA context
 826  *
 827  * Returns 0 on success.
 828  */
 829 static int
 830 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 831 {
 832         int  rval;
 833         uint16_t loop_id, topo, sw_cap;
 834         uint8_t domain, area, al_pa;
 835         struct qla_hw_data *ha = vha->hw;
 836
 837         /* Assume loading risc code */
 838         rval = QLA_FUNCTION_FAILED;
 839
 840         if (ha->flags.disable_risc_code_load) {
 841                 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
 842                     vha->host_no));
 843                 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
 844
 845                 /* Verify checksum of loaded RISC code. */
 846                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 847                 if (rval == QLA_SUCCESS) {
 848                         /* And, verify we are not in ROM code. */
 849                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 850                             &area, &domain, &topo, &sw_cap);
 851                 }
 852         }
 853
 854         if (rval) {
 855                 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
 856                     vha->host_no));
 857         }
 858
 859         return (rval);
 860 }
 861
 862 /**
 863  * qla2x00_reset_chip() - Reset ISP chip.
 864  * @ha: HA context
 865  *
 866  * Returns 0 on success.
 867  */
 868 void
 869 qla2x00_reset_chip(scsi_qla_host_t *vha)
 870 {
 871         unsigned long   flags = 0;
 872         struct qla_hw_data *ha = vha->hw;
 873         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 874         uint32_t        cnt;
 875         uint16_t        cmd;
 876
 877         if (unlikely(pci_channel_offline(ha->pdev)))
 878                 return;
 879
 880         ha->isp_ops->disable_intrs(ha);
 881
 882         spin_lock_irqsave(&ha->hardware_lock, flags);
 883
 884         /* Turn off master enable */
 885         cmd = 0;
 886         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 887         cmd &= ~PCI_COMMAND_MASTER;
 888         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 889
 890         if (!IS_QLA2100(ha)) {
 891                 /* Pause RISC. */
 892                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 893                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 894                         for (cnt = 0; cnt < 30000; cnt++) {
 895                                 if ((RD_REG_WORD(&reg->hccr) &
 896                                     HCCR_RISC_PAUSE) != 0)
 897                                         break;
 898                                 udelay(100);
 899                         }
 900                 } else {
 901                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 902                         udelay(10);
 903                 }
 904
 905                 /* Select FPM registers. */
 906                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 907                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 908
 909                 /* FPM Soft Reset. */
 910                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 911                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 912
 913                 /* Toggle Fpm Reset. */
 914                 if (!IS_QLA2200(ha)) {
 915                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 916                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 917                 }
 918
 919                 /* Select frame buffer registers. */
 920                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 921                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 922
 923                 /* Reset frame buffer FIFOs. */
 924                 if (IS_QLA2200(ha)) {
 925                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 926                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 927                 } else {
 928                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 929
 930                         /* Read back fb_cmd until zero or 3 seconds max */
 931                         for (cnt = 0; cnt < 3000; cnt++) {
 932                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 933                                         break;
 934                                 udelay(100);
 935                         }
 936                 }
 937
 938                 /* Select RISC module registers. */
 939                 WRT_REG_WORD(&reg->ctrl_status, 0);
 940                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 941
 942                 /* Reset RISC processor. */
 943                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 944                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 945
 946                 /* Release RISC processor. */
 947                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 948                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 949         }
 950
 951         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 952         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 953
 954         /* Reset ISP chip. */
 955         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 956
 957         /* Wait for RISC to recover from reset. */
 958         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 959                 /*
 960                  * It is necessary to for a delay here since the card doesn't
 961                  * respond to PCI reads during a reset. On some architectures
 962                  * this will result in an MCA.
 963                  */
 964                 udelay(20);
 965                 for (cnt = 30000; cnt; cnt--) {
 966                         if ((RD_REG_WORD(&reg->ctrl_status) &
 967                             CSR_ISP_SOFT_RESET) == 0)
 968                                 break;
 969                         udelay(100);
 970                 }
 971         } else
 972                 udelay(10);
 973
 974         /* Reset RISC processor. */
 975         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 976
 977         WRT_REG_WORD(&reg->semaphore, 0);
 978
 979         /* Release RISC processor. */
 980         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 981         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 982
 983         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 984                 for (cnt = 0; cnt < 30000; cnt++) {
 985                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 986                                 break;
 987
 988                         udelay(100);
 989                 }
 990         } else
 991                 udelay(100);
 992
 993         /* Turn on master enable */
 994         cmd |= PCI_COMMAND_MASTER;
 995         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 996
 997         /* Disable RISC pause on FPM parity error. */
 998         if (!IS_QLA2100(ha)) {
 999                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
1000                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1001         }
1002
1003         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1004 }
1005
1006 /**
1007  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
1008  * @ha: HA context
1009  *
1010  * Returns 0 on success.
1011  */
1012 static inline void
1013 qla24xx_reset_risc(scsi_qla_host_t *vha)
1014 {
1015         unsigned long flags = 0;
1016         struct qla_hw_data *ha = vha->hw;
1017         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1018         uint32_t cnt, d2;
1019         uint16_t wd;
1020
1021         spin_lock_irqsave(&ha->hardware_lock, flags);
1022
1023         /* Reset RISC. */
1024         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1025         for (cnt = 0; cnt < 30000; cnt++) {
1026                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
1027                         break;
1028
1029                 udelay(10);
1030         }
1031
1032         WRT_REG_DWORD(&reg->ctrl_status,
1033             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1034         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1035
1036         udelay(100);
1037         /* Wait for firmware to complete NVRAM accesses. */
1038         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1039         for (cnt = 10000 ; cnt && d2; cnt--) {
1040                 udelay(5);
1041                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1042                 barrier();
1043         }
1044
1045         /* Wait for soft-reset to complete. */
1046         d2 = RD_REG_DWORD(&reg->ctrl_status);
1047         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1048                 udelay(5);
1049                 d2 = RD_REG_DWORD(&reg->ctrl_status);
1050                 barrier();
1051         }
1052
1053         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1054         RD_REG_DWORD(&reg->hccr);
1055
1056         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1057         RD_REG_DWORD(&reg->hccr);
1058
1059         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1060         RD_REG_DWORD(&reg->hccr);
1061
1062         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1063         for (cnt = 6000000 ; cnt && d2; cnt--) {
1064                 udelay(5);
1065                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1066                 barrier();
1067         }
1068
1069         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1070
1071         if (IS_NOPOLLING_TYPE(ha))
1072                 ha->isp_ops->enable_intrs(ha);
1073 }
1074
1075 /**
1076  * qla24xx_reset_chip() - Reset ISP24xx chip.
1077  * @ha: HA context
1078  *
1079  * Returns 0 on success.
1080  */
1081 void
1082 qla24xx_reset_chip(scsi_qla_host_t *vha)
1083 {
1084         struct qla_hw_data *ha = vha->hw;
1085
1086         if (pci_channel_offline(ha->pdev) &&
1087             ha->flags.pci_channel_io_perm_failure) {
1088                 return;
1089         }
1090
1091         ha->isp_ops->disable_intrs(ha);
1092
1093         /* Perform RISC reset. */
1094         qla24xx_reset_risc(vha);
1095 }
1096
1097 /**
1098  * qla2x00_chip_diag() - Test chip for proper operation.
1099  * @ha: HA context
1100  *
1101  * Returns 0 on success.
1102  */
1103 int
1104 qla2x00_chip_diag(scsi_qla_host_t *vha)
1105 {
1106         int             rval;
1107         struct qla_hw_data *ha = vha->hw;
1108         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1109         unsigned long   flags = 0;
1110         uint16_t        data;
1111         uint32_t        cnt;
1112         uint16_t        mb[5];
1113         struct req_que *req = ha->req_q_map[0];
1114
1115         /* Assume a failed state */
1116         rval = QLA_FUNCTION_FAILED;
1117
1118         DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
1119             vha->host_no, (u_long)&reg->flash_address));
1120
1121         spin_lock_irqsave(&ha->hardware_lock, flags);
1122
1123         /* Reset ISP chip. */
1124         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1125
1126         /*
1127          * We need to have a delay here since the card will not respond while
1128          * in reset causing an MCA on some architectures.
1129          */
1130         udelay(20);
1131         data = qla2x00_debounce_register(&reg->ctrl_status);
1132         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1133                 udelay(5);
1134                 data = RD_REG_WORD(&reg->ctrl_status);
1135                 barrier();
1136         }
1137
1138         if (!cnt)
1139                 goto chip_diag_failed;
1140
1141         DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
1142             vha->host_no));
1143
1144         /* Reset RISC processor. */
1145         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1146         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1147
1148         /* Workaround for QLA2312 PCI parity error */
1149         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1150                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1151                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1152                         udelay(5);
1153                         data = RD_MAILBOX_REG(ha, reg, 0);
1154                         barrier();
1155                 }
1156         } else
1157                 udelay(10);
1158
1159         if (!cnt)
1160                 goto chip_diag_failed;
1161
1162         /* Check product ID of chip */
1163         DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
1164
1165         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1166         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1167         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1168         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1169         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1170             mb[3] != PROD_ID_3) {
1171                 qla_printk(KERN_WARNING, ha,
1172                     "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
1173
1174                 goto chip_diag_failed;
1175         }
1176         ha->product_id[0] = mb[1];
1177         ha->product_id[1] = mb[2];
1178         ha->product_id[2] = mb[3];
1179         ha->product_id[3] = mb[4];
1180
1181         /* Adjust fw RISC transfer size */
1182         if (req->length > 1024)
1183                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1184         else
1185                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1186                     req->length;
1187
1188         if (IS_QLA2200(ha) &&
1189             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1190                 /* Limit firmware transfer size with a 2200A */
1191                 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
1192                     vha->host_no));
1193
1194                 ha->device_type |= DT_ISP2200A;
1195                 ha->fw_transfer_size = 128;
1196         }
1197
1198         /* Wrap Incoming Mailboxes Test. */
1199         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1200
1201         DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
1202         rval = qla2x00_mbx_reg_test(vha);
1203         if (rval) {
1204                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
1205                     vha->host_no));
1206                 qla_printk(KERN_WARNING, ha,
1207                     "Failed mailbox send register test\n");
1208         }
1209         else {
1210                 /* Flag a successful rval */
1211                 rval = QLA_SUCCESS;
1212         }
1213         spin_lock_irqsave(&ha->hardware_lock, flags);
1214
1215 chip_diag_failed:
1216         if (rval)
1217                 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
1218                     "****\n", vha->host_no));
1219
1220         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1221
1222         return (rval);
1223 }
1224
1225 /**
1226  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1227  * @ha: HA context
1228  *
1229  * Returns 0 on success.
1230  */
1231 int
1232 qla24xx_chip_diag(scsi_qla_host_t *vha)
1233 {
1234         int rval;
1235         struct qla_hw_data *ha = vha->hw;
1236         struct req_que *req = ha->req_q_map[0];
1237
1238         if (IS_QLA82XX(ha))
1239                 return QLA_SUCCESS;
1240
1241         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1242
1243         rval = qla2x00_mbx_reg_test(vha);
1244         if (rval) {
1245                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
1246                     vha->host_no));
1247                 qla_printk(KERN_WARNING, ha,
1248                     "Failed mailbox send register test\n");
1249         } else {
1250                 /* Flag a successful rval */
1251                 rval = QLA_SUCCESS;
1252         }
1253
1254         return rval;
1255 }
1256
1257 void
1258 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1259 {
1260         int rval;
1261         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1262             eft_size, fce_size, mq_size;
1263         dma_addr_t tc_dma;
1264         void *tc;
1265         struct qla_hw_data *ha = vha->hw;
1266         struct req_que *req = ha->req_q_map[0];
1267         struct rsp_que *rsp = ha->rsp_q_map[0];
1268
1269         if (ha->fw_dump) {
1270                 qla_printk(KERN_WARNING, ha,
1271                     "Firmware dump previously allocated.\n");
1272                 return;
1273         }
1274
1275         ha->fw_dumped = 0;
1276         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1277         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1278                 fixed_size = sizeof(struct qla2100_fw_dump);
1279         } else if (IS_QLA23XX(ha)) {
1280                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1281                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1282                     sizeof(uint16_t);
1283         } else if (IS_FWI2_CAPABLE(ha)) {
1284                 if (IS_QLA81XX(ha))
1285                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1286                 else if (IS_QLA25XX(ha))
1287                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1288                 else
1289                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1290                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1291                     sizeof(uint32_t);
1292                 if (ha->mqenable)
1293                         mq_size = sizeof(struct qla2xxx_mq_chain);
1294                 /* Allocate memory for Fibre Channel Event Buffer. */
1295                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
1296                         goto try_eft;
1297
1298                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1299                     GFP_KERNEL);
1300                 if (!tc) {
1301                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
1302                             "(%d KB) for FCE.\n", FCE_SIZE / 1024);
1303                         goto try_eft;
1304                 }
1305
1306                 memset(tc, 0, FCE_SIZE);
1307                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1308                     ha->fce_mb, &ha->fce_bufs);
1309                 if (rval) {
1310                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
1311                             "FCE (%d).\n", rval);
1312                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1313                             tc_dma);
1314                         ha->flags.fce_enabled = 0;
1315                         goto try_eft;
1316                 }
1317
1318                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
1319                     FCE_SIZE / 1024);
1320
1321                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1322                 ha->flags.fce_enabled = 1;
1323                 ha->fce_dma = tc_dma;
1324                 ha->fce = tc;
1325 try_eft:
1326                 /* Allocate memory for Extended Trace Buffer. */
1327                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1328                     GFP_KERNEL);
1329                 if (!tc) {
1330                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
1331                             "(%d KB) for EFT.\n", EFT_SIZE / 1024);
1332                         goto cont_alloc;
1333                 }
1334
1335                 memset(tc, 0, EFT_SIZE);
1336                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1337                 if (rval) {
1338                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
1339                             "EFT (%d).\n", rval);
1340                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1341                             tc_dma);
1342                         goto cont_alloc;
1343                 }
1344
1345                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
1346                     EFT_SIZE / 1024);
1347
1348                 eft_size = EFT_SIZE;
1349                 ha->eft_dma = tc_dma;
1350                 ha->eft = tc;
1351         }
1352 cont_alloc:
1353         req_q_size = req->length * sizeof(request_t);
1354         rsp_q_size = rsp->length * sizeof(response_t);
1355
1356         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1357         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1358         ha->chain_offset = dump_size;
1359         dump_size += mq_size + fce_size;
1360
1361         ha->fw_dump = vmalloc(dump_size);
1362         if (!ha->fw_dump) {
1363                 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
1364                     "firmware dump!!!\n", dump_size / 1024);
1365
1366                 if (ha->eft) {
1367                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1368                             ha->eft_dma);
1369                         ha->eft = NULL;
1370                         ha->eft_dma = 0;
1371                 }
1372                 return;
1373         }
1374         qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
1375             dump_size / 1024);
1376
1377         ha->fw_dump_len = dump_size;
1378         ha->fw_dump->signature[0] = 'Q';
1379         ha->fw_dump->signature[1] = 'L';
1380         ha->fw_dump->signature[2] = 'G';
1381         ha->fw_dump->signature[3] = 'C';
1382         ha->fw_dump->version = __constant_htonl(1);
1383
1384         ha->fw_dump->fixed_size = htonl(fixed_size);
1385         ha->fw_dump->mem_size = htonl(mem_size);
1386         ha->fw_dump->req_q_size = htonl(req_q_size);
1387         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1388
1389         ha->fw_dump->eft_size = htonl(eft_size);
1390         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1391         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1392
1393         ha->fw_dump->header_size =
1394             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1395 }
1396
1397 static int
1398 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1399 {
1400 #define MPS_MASK        0xe0
1401         int rval;
1402         uint16_t dc;
1403         uint32_t dw;
1404         struct qla_hw_data *ha = vha->hw;
1405
1406         if (!IS_QLA81XX(vha->hw))
1407                 return QLA_SUCCESS;
1408
1409         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1410         if (rval != QLA_SUCCESS) {
1411                 DEBUG2(qla_printk(KERN_WARNING, ha,
1412                     "Sync-MPI: Unable to acquire semaphore.\n"));
1413                 goto done;
1414         }
1415
1416         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1417         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1418         if (rval != QLA_SUCCESS) {
1419                 DEBUG2(qla_printk(KERN_WARNING, ha,
1420                     "Sync-MPI: Unable to read sync.\n"));
1421                 goto done_release;
1422         }
1423
1424         dc &= MPS_MASK;
1425         if (dc == (dw & MPS_MASK))
1426                 goto done_release;
1427
1428         dw &= ~MPS_MASK;
1429         dw |= dc;
1430         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1431         if (rval != QLA_SUCCESS) {
1432                 DEBUG2(qla_printk(KERN_WARNING, ha,
1433                     "Sync-MPI: Unable to gain sync.\n"));
1434         }
1435
1436 done_release:
1437         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1438         if (rval != QLA_SUCCESS) {
1439                 DEBUG2(qla_printk(KERN_WARNING, ha,
1440                     "Sync-MPI: Unable to release semaphore.\n"));
1441         }
1442
1443 done:
1444         return rval;
1445 }
1446
1447 /**
1448  * qla2x00_setup_chip() - Load and start RISC firmware.
1449  * @ha: HA context
1450  *
1451  * Returns 0 on success.
1452  */
1453 static int
1454 qla2x00_setup_chip(scsi_qla_host_t *vha)
1455 {
1456         int rval;
1457         uint32_t srisc_address = 0;
1458         struct qla_hw_data *ha = vha->hw;
1459         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1460         unsigned long flags;
1461         uint16_t fw_major_version;
1462
1463         if (IS_QLA82XX(ha)) {
1464                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1465                 if (rval == QLA_SUCCESS)
1466                         goto enable_82xx_npiv;
1467                 else
1468                         goto failed;
1469         }
1470
1471         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1472                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1473                 spin_lock_irqsave(&ha->hardware_lock, flags);
1474                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1475                 RD_REG_WORD(&reg->hccr);
1476                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1477         }
1478
1479         qla81xx_mpi_sync(vha);
1480
1481         /* Load firmware sequences */
1482         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1483         if (rval == QLA_SUCCESS) {
1484                 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
1485                     "code.\n", vha->host_no));
1486
1487                 rval = qla2x00_verify_checksum(vha, srisc_address);
1488                 if (rval == QLA_SUCCESS) {
1489                         /* Start firmware execution. */
1490                         DEBUG(printk("scsi(%ld): Checksum OK, start "
1491                             "firmware.\n", vha->host_no));
1492
1493                         rval = qla2x00_execute_fw(vha, srisc_address);
1494                         /* Retrieve firmware information. */
1495                         if (rval == QLA_SUCCESS) {
1496 enable_82xx_npiv:
1497                                 fw_major_version = ha->fw_major_version;
1498                                 rval = qla2x00_get_fw_version(vha,
1499                                     &ha->fw_major_version,
1500                                     &ha->fw_minor_version,
1501                                     &ha->fw_subminor_version,
1502                                     &ha->fw_attributes, &ha->fw_memory_size,
1503                                     ha->mpi_version, &ha->mpi_capabilities,
1504                                     ha->phy_version);
1505                                 if (rval != QLA_SUCCESS)
1506                                         goto failed;
1507                                 ha->flags.npiv_supported = 0;
1508                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1509                                          (ha->fw_attributes & BIT_2)) {
1510                                         ha->flags.npiv_supported = 1;
1511                                         if ((!ha->max_npiv_vports) ||
1512                                             ((ha->max_npiv_vports + 1) %
1513                                             MIN_MULTI_ID_FABRIC))
1514                                                 ha->max_npiv_vports =
1515                                                     MIN_MULTI_ID_FABRIC - 1;
1516                                 }
1517                                 qla2x00_get_resource_cnts(vha, NULL,
1518                                     &ha->fw_xcb_count, NULL, NULL,
1519                                     &ha->max_npiv_vports, NULL);
1520
1521                                 if (!fw_major_version && ql2xallocfwdump) {
1522                                         if (!IS_QLA82XX(ha))
1523                                                 qla2x00_alloc_fw_dump(vha);
1524                                 }
1525                         }
1526                 } else {
1527                         DEBUG2(printk(KERN_INFO
1528                             "scsi(%ld): ISP Firmware failed checksum.\n",
1529                             vha->host_no));
1530                 }
1531         }
1532
1533         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1534                 /* Enable proper parity. */
1535                 spin_lock_irqsave(&ha->hardware_lock, flags);
1536                 if (IS_QLA2300(ha))
1537                         /* SRAM parity */
1538                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1539                 else
1540                         /* SRAM, Instruction RAM and GP RAM parity */
1541                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1542                 RD_REG_WORD(&reg->hccr);
1543                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1544         }
1545
1546         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1547                 uint32_t size;
1548
1549                 rval = qla81xx_fac_get_sector_size(vha, &size);
1550                 if (rval == QLA_SUCCESS) {
1551                         ha->flags.fac_supported = 1;
1552                         ha->fdt_block_size = size << 2;
1553                 } else {
1554                         qla_printk(KERN_ERR, ha,
1555                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1556                             ha->fw_major_version, ha->fw_minor_version,
1557                             ha->fw_subminor_version);
1558                 }
1559         }
1560 failed:
1561         if (rval) {
1562                 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1563                     vha->host_no));
1564         }
1565
1566         return (rval);
1567 }
1568
1569 /**
1570  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1571  * @ha: HA context
1572  *
1573  * Beginning of request ring has initialization control block already built
1574  * by nvram config routine.
1575  *
1576  * Returns 0 on success.
1577  */
1578 void
1579 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1580 {
1581         uint16_t cnt;
1582         response_t *pkt;
1583
1584         rsp->ring_ptr = rsp->ring;
1585         rsp->ring_index    = 0;
1586         rsp->status_srb = NULL;
1587         pkt = rsp->ring_ptr;
1588         for (cnt = 0; cnt < rsp->length; cnt++) {
1589                 pkt->signature = RESPONSE_PROCESSED;
1590                 pkt++;
1591         }
1592 }
1593
1594 /**
1595  * qla2x00_update_fw_options() - Read and process firmware options.
1596  * @ha: HA context
1597  *
1598  * Returns 0 on success.
1599  */
1600 void
1601 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1602 {
1603         uint16_t swing, emphasis, tx_sens, rx_sens;
1604         struct qla_hw_data *ha = vha->hw;
1605
1606         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1607         qla2x00_get_fw_options(vha, ha->fw_options);
1608
1609         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1610                 return;
1611
1612         /* Serial Link options. */
1613         DEBUG3(printk("scsi(%ld): Serial link options:\n",
1614             vha->host_no));
1615         DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1616             sizeof(ha->fw_seriallink_options)));
1617
1618         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1619         if (ha->fw_seriallink_options[3] & BIT_2) {
1620                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1621
1622                 /*  1G settings */
1623                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1624                 emphasis = (ha->fw_seriallink_options[2] &
1625                     (BIT_4 | BIT_3)) >> 3;
1626                 tx_sens = ha->fw_seriallink_options[0] &
1627                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1628                 rx_sens = (ha->fw_seriallink_options[0] &
1629                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1630                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1631                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1632                         if (rx_sens == 0x0)
1633                                 rx_sens = 0x3;
1634                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1635                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1636                         ha->fw_options[10] |= BIT_5 |
1637                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1638                             (tx_sens & (BIT_1 | BIT_0));
1639
1640                 /*  2G settings */
1641                 swing = (ha->fw_seriallink_options[2] &
1642                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1643                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1644                 tx_sens = ha->fw_seriallink_options[1] &
1645                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1646                 rx_sens = (ha->fw_seriallink_options[1] &
1647                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1648                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1649                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1650                         if (rx_sens == 0x0)
1651                                 rx_sens = 0x3;
1652                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1653                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1654                         ha->fw_options[11] |= BIT_5 |
1655                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1656                             (tx_sens & (BIT_1 | BIT_0));
1657         }
1658
1659         /* FCP2 options. */
1660         /*  Return command IOCBs without waiting for an ABTS to complete. */
1661         ha->fw_options[3] |= BIT_13;
1662
1663         /* LED scheme. */
1664         if (ha->flags.enable_led_scheme)
1665                 ha->fw_options[2] |= BIT_12;
1666
1667         /* Detect ISP6312. */
1668         if (IS_QLA6312(ha))
1669                 ha->fw_options[2] |= BIT_13;
1670
1671         /* Update firmware options. */
1672         qla2x00_set_fw_options(vha, ha->fw_options);
1673 }
1674
1675 void
1676 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1677 {
1678         int rval;
1679         struct qla_hw_data *ha = vha->hw;
1680
1681         if (IS_QLA82XX(ha))
1682                 return;
1683
1684         /* Update Serial Link options. */
1685         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1686                 return;
1687
1688         rval = qla2x00_set_serdes_params(vha,
1689             le16_to_cpu(ha->fw_seriallink_options24[1]),
1690             le16_to_cpu(ha->fw_seriallink_options24[2]),
1691             le16_to_cpu(ha->fw_seriallink_options24[3]));
1692         if (rval != QLA_SUCCESS) {
1693                 qla_printk(KERN_WARNING, ha,
1694                     "Unable to update Serial Link options (%x).\n", rval);
1695         }
1696 }
1697
1698 void
1699 qla2x00_config_rings(struct scsi_qla_host *vha)
1700 {
1701         struct qla_hw_data *ha = vha->hw;
1702         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1703         struct req_que *req = ha->req_q_map[0];
1704         struct rsp_que *rsp = ha->rsp_q_map[0];
1705
1706         /* Setup ring parameters in initialization control block. */
1707         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1708         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1709         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1710         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1711         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1712         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1713         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1714         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1715
1716         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1717         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1718         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1719         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1720         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1721 }
1722
1723 void
1724 qla24xx_config_rings(struct scsi_qla_host *vha)
1725 {
1726         struct qla_hw_data *ha = vha->hw;
1727         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1728         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1729         struct qla_msix_entry *msix;
1730         struct init_cb_24xx *icb;
1731         uint16_t rid = 0;
1732         struct req_que *req = ha->req_q_map[0];
1733         struct rsp_que *rsp = ha->rsp_q_map[0];
1734
1735 /* Setup ring parameters in initialization control block. */
1736         icb = (struct init_cb_24xx *)ha->init_cb;
1737         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1738         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1739         icb->request_q_length = cpu_to_le16(req->length);
1740         icb->response_q_length = cpu_to_le16(rsp->length);
1741         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1742         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1743         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1744         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1745
1746         if (ha->mqenable) {
1747                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1748                 icb->rid = __constant_cpu_to_le16(rid);
1749                 if (ha->flags.msix_enabled) {
1750                         msix = &ha->msix_entries[1];
1751                         DEBUG2_17(printk(KERN_INFO
1752                         "Registering vector 0x%x for base que\n", msix->entry));
1753                         icb->msix = cpu_to_le16(msix->entry);
1754                 }
1755                 /* Use alternate PCI bus number */
1756                 if (MSB(rid))
1757                         icb->firmware_options_2 |=
1758                                 __constant_cpu_to_le32(BIT_19);
1759                 /* Use alternate PCI devfn */
1760                 if (LSB(rid))
1761                         icb->firmware_options_2 |=
1762                                 __constant_cpu_to_le32(BIT_18);
1763
1764                 /* Use Disable MSIX Handshake mode for capable adapters */
1765                 if (IS_MSIX_NACK_CAPABLE(ha)) {
1766                         icb->firmware_options_2 &=
1767                                 __constant_cpu_to_le32(~BIT_22);
1768                         ha->flags.disable_msix_handshake = 1;
1769                         qla_printk(KERN_INFO, ha,
1770                                 "MSIX Handshake Disable Mode turned on\n");
1771                 } else {
1772                         icb->firmware_options_2 |=
1773                                 __constant_cpu_to_le32(BIT_22);
1774                 }
1775                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1776
1777                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1778                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1779                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1780                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1781         } else {
1782                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1783                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1784                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1785                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1786         }
1787         /* PCI posting */
1788         RD_REG_DWORD(&ioreg->hccr);
1789 }
1790
1791 /**
1792  * qla2x00_init_rings() - Initializes firmware.
1793  * @ha: HA context
1794  *
1795  * Beginning of request ring has initialization control block already built
1796  * by nvram config routine.
1797  *
1798  * Returns 0 on success.
1799  */
1800 static int
1801 qla2x00_init_rings(scsi_qla_host_t *vha)
1802 {
1803         int     rval;
1804         unsigned long flags = 0;
1805         int cnt, que;
1806         struct qla_hw_data *ha = vha->hw;
1807         struct req_que *req;
1808         struct rsp_que *rsp;
1809         struct scsi_qla_host *vp;
1810         struct mid_init_cb_24xx *mid_init_cb =
1811             (struct mid_init_cb_24xx *) ha->init_cb;
1812
1813         spin_lock_irqsave(&ha->hardware_lock, flags);
1814
1815         /* Clear outstanding commands array. */
1816         for (que = 0; que < ha->max_req_queues; que++) {
1817                 req = ha->req_q_map[que];
1818                 if (!req)
1819                         continue;
1820                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1821                         req->outstanding_cmds[cnt] = NULL;
1822
1823                 req->current_outstanding_cmd = 1;
1824
1825                 /* Initialize firmware. */
1826                 req->ring_ptr  = req->ring;
1827                 req->ring_index    = 0;
1828                 req->cnt      = req->length;
1829         }
1830
1831         for (que = 0; que < ha->max_rsp_queues; que++) {
1832                 rsp = ha->rsp_q_map[que];
1833                 if (!rsp)
1834                         continue;
1835                 /* Initialize response queue entries */
1836                 qla2x00_init_response_q_entries(rsp);
1837         }
1838
1839         /* Clear RSCN queue. */
1840         list_for_each_entry(vp, &ha->vp_list, list) {
1841                 vp->rscn_in_ptr = 0;
1842                 vp->rscn_out_ptr = 0;
1843         }
1844         ha->isp_ops->config_rings(vha);
1845
1846         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1847
1848         /* Update any ISP specific firmware options before initialization. */
1849         ha->isp_ops->update_fw_options(vha);
1850
1851         DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1852
1853         if (ha->flags.npiv_supported) {
1854                 if (ha->operating_mode == LOOP)
1855                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1856                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1857         }
1858
1859         if (IS_FWI2_CAPABLE(ha)) {
1860                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1861                 mid_init_cb->init_cb.execution_throttle =
1862                     cpu_to_le16(ha->fw_xcb_count);
1863         }
1864
1865         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1866         if (rval) {
1867                 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1868                     vha->host_no));
1869         } else {
1870                 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1871                     vha->host_no));
1872         }
1873
1874         return (rval);
1875 }
1876
1877 /**
1878  * qla2x00_fw_ready() - Waits for firmware ready.
1879  * @ha: HA context
1880  *
1881  * Returns 0 on success.
1882  */
1883 static int
1884 qla2x00_fw_ready(scsi_qla_host_t *vha)
1885 {
1886         int             rval;
1887         unsigned long   wtime, mtime, cs84xx_time;
1888         uint16_t        min_wait;       /* Minimum wait time if loop is down */
1889         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1890         uint16_t        state[5];
1891         struct qla_hw_data *ha = vha->hw;
1892
1893         rval = QLA_SUCCESS;
1894
1895         /* 20 seconds for loop down. */
1896         min_wait = 20;
1897
1898         /*
1899          * Firmware should take at most one RATOV to login, plus 5 seconds for
1900          * our own processing.
1901          */
1902         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1903                 wait_time = min_wait;
1904         }
1905
1906         /* Min wait time if loop down */
1907         mtime = jiffies + (min_wait * HZ);
1908
1909         /* wait time before firmware ready */
1910         wtime = jiffies + (wait_time * HZ);
1911
1912         /* Wait for ISP to finish LIP */
1913         if (!vha->flags.init_done)
1914                 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1915
1916         DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1917             vha->host_no));
1918
1919         do {
1920                 rval = qla2x00_get_firmware_state(vha, state);
1921                 if (rval == QLA_SUCCESS) {
1922                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
1923                                 vha->device_flags &= ~DFLG_NO_CABLE;
1924                         }
1925                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1926                                 DEBUG16(printk("scsi(%ld): fw_state=%x "
1927                                     "84xx=%x.\n", vha->host_no, state[0],
1928                                     state[2]));
1929                                 if ((state[2] & FSTATE_LOGGED_IN) &&
1930                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1931                                         DEBUG16(printk("scsi(%ld): Sending "
1932                                             "verify iocb.\n", vha->host_no));
1933
1934                                         cs84xx_time = jiffies;
1935                                         rval = qla84xx_init_chip(vha);
1936                                         if (rval != QLA_SUCCESS)
1937                                                 break;
1938
1939                                         /* Add time taken to initialize. */
1940                                         cs84xx_time = jiffies - cs84xx_time;
1941                                         wtime += cs84xx_time;
1942                                         mtime += cs84xx_time;
1943                                         DEBUG16(printk("scsi(%ld): Increasing "
1944                                             "wait time by %ld. New time %ld\n",
1945                                             vha->host_no, cs84xx_time, wtime));
1946                                 }
1947                         } else if (state[0] == FSTATE_READY) {
1948                                 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1949                                     vha->host_no));
1950
1951                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1952                                     &ha->login_timeout, &ha->r_a_tov);
1953
1954                                 rval = QLA_SUCCESS;
1955                                 break;
1956                         }
1957
1958                         rval = QLA_FUNCTION_FAILED;
1959
1960                         if (atomic_read(&vha->loop_down_timer) &&
1961                             state[0] != FSTATE_READY) {
1962                                 /* Loop down. Timeout on min_wait for states
1963                                  * other than Wait for Login.
1964                                  */
1965                                 if (time_after_eq(jiffies, mtime)) {
1966                                         qla_printk(KERN_INFO, ha,
1967                                             "Cable is unplugged...\n");
1968
1969                                         vha->device_flags |= DFLG_NO_CABLE;
1970                                         break;
1971                                 }
1972                         }
1973                 } else {
1974                         /* Mailbox cmd failed. Timeout on min_wait. */
1975                         if (time_after_eq(jiffies, mtime) ||
1976                             (IS_QLA82XX(ha) && ha->flags.fw_hung))
1977                                 break;
1978                 }
1979
1980                 if (time_after_eq(jiffies, wtime))
1981                         break;
1982
1983                 /* Delay for a while */
1984                 msleep(500);
1985
1986                 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1987                     vha->host_no, state[0], jiffies));
1988         } while (1);
1989
1990         DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1991             vha->host_no, state[0], state[1], state[2], state[3], state[4],
1992             jiffies));
1993
1994         if (rval) {
1995                 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1996                     vha->host_no));
1997         }
1998
1999         return (rval);
2000 }
2001
2002 /*
2003 *  qla2x00_configure_hba
2004 *      Setup adapter context.
2005 *
2006 * Input:
2007 *      ha = adapter state pointer.
2008 *
2009 * Returns:
2010 *      0 = success
2011 *
2012 * Context:
2013 *      Kernel context.
2014 */
2015 static int
2016 qla2x00_configure_hba(scsi_qla_host_t *vha)
2017 {
2018         int       rval;
2019         uint16_t      loop_id;
2020         uint16_t      topo;
2021         uint16_t      sw_cap;
2022         uint8_t       al_pa;
2023         uint8_t       area;
2024         uint8_t       domain;
2025         char            connect_type[22];
2026         struct qla_hw_data *ha = vha->hw;
2027
2028         /* Get host addresses. */
2029         rval = qla2x00_get_adapter_id(vha,
2030             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2031         if (rval != QLA_SUCCESS) {
2032                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2033                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2034                         DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
2035                             __func__, vha->host_no));
2036                 } else {
2037                         qla_printk(KERN_WARNING, ha,
2038                             "ERROR -- Unable to get host loop ID.\n");
2039                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2040                 }
2041                 return (rval);
2042         }
2043
2044         if (topo == 4) {
2045                 qla_printk(KERN_INFO, ha,
2046                         "Cannot get topology - retrying.\n");
2047                 return (QLA_FUNCTION_FAILED);
2048         }
2049
2050         vha->loop_id = loop_id;
2051
2052         /* initialize */
2053         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2054         ha->operating_mode = LOOP;
2055         ha->switch_cap = 0;
2056
2057         switch (topo) {
2058         case 0:
2059                 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
2060                     vha->host_no));
2061                 ha->current_topology = ISP_CFG_NL;
2062                 strcpy(connect_type, "(Loop)");
2063                 break;
2064
2065         case 1:
2066                 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
2067                     vha->host_no));
2068                 ha->switch_cap = sw_cap;
2069                 ha->current_topology = ISP_CFG_FL;
2070                 strcpy(connect_type, "(FL_Port)");
2071                 break;
2072
2073         case 2:
2074                 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
2075                     vha->host_no));
2076                 ha->operating_mode = P2P;
2077                 ha->current_topology = ISP_CFG_N;
2078                 strcpy(connect_type, "(N_Port-to-N_Port)");
2079                 break;
2080
2081         case 3:
2082                 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
2083                     vha->host_no));
2084                 ha->switch_cap = sw_cap;
2085                 ha->operating_mode = P2P;
2086                 ha->current_topology = ISP_CFG_F;
2087                 strcpy(connect_type, "(F_Port)");
2088                 break;
2089
2090         default:
2091                 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
2092                     "Using NL.\n",
2093                     vha->host_no, topo));
2094                 ha->current_topology = ISP_CFG_NL;
2095                 strcpy(connect_type, "(Loop)");
2096                 break;
2097         }
2098
2099         /* Save Host port and loop ID. */
2100         /* byte order - Big Endian */
2101         vha->d_id.b.domain = domain;
2102         vha->d_id.b.area = area;
2103         vha->d_id.b.al_pa = al_pa;
2104
2105         if (!vha->flags.init_done)
2106                 qla_printk(KERN_INFO, ha,
2107                     "Topology - %s, Host Loop address 0x%x\n",
2108                     connect_type, vha->loop_id);
2109
2110         if (rval) {
2111                 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
2112         } else {
2113                 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
2114         }
2115
2116         return(rval);
2117 }
2118
2119 inline void
2120 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2121         char *def)
2122 {
2123         char *st, *en;
2124         uint16_t index;
2125         struct qla_hw_data *ha = vha->hw;
2126         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2127             !IS_QLA8XXX_TYPE(ha);
2128
2129         if (memcmp(model, BINZERO, len) != 0) {
2130                 strncpy(ha->model_number, model, len);
2131                 st = en = ha->model_number;
2132                 en += len - 1;
2133                 while (en > st) {
2134                         if (*en != 0x20 && *en != 0x00)
2135                                 break;
2136                         *en-- = '\0';
2137                 }
2138
2139                 index = (ha->pdev->subsystem_device & 0xff);
2140                 if (use_tbl &&
2141                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2142                     index < QLA_MODEL_NAMES)
2143                         strncpy(ha->model_desc,
2144                             qla2x00_model_name[index * 2 + 1],
2145                             sizeof(ha->model_desc) - 1);
2146         } else {
2147                 index = (ha->pdev->subsystem_device & 0xff);
2148                 if (use_tbl &&
2149                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2150                     index < QLA_MODEL_NAMES) {
2151                         strcpy(ha->model_number,
2152                             qla2x00_model_name[index * 2]);
2153                         strncpy(ha->model_desc,
2154                             qla2x00_model_name[index * 2 + 1],
2155                             sizeof(ha->model_desc) - 1);
2156                 } else {
2157                         strcpy(ha->model_number, def);
2158                 }
2159         }
2160         if (IS_FWI2_CAPABLE(ha))
2161                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2162                     sizeof(ha->model_desc));
2163 }
2164
2165 /* On sparc systems, obtain port and node WWN from firmware
2166  * properties.
2167  */
2168 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2169 {
2170 #ifdef CONFIG_SPARC
2171         struct qla_hw_data *ha = vha->hw;
2172         struct pci_dev *pdev = ha->pdev;
2173         struct device_node *dp = pci_device_to_OF_node(pdev);
2174         const u8 *val;
2175         int len;
2176
2177         val = of_get_property(dp, "port-wwn", &len);
2178         if (val && len >= WWN_SIZE)
2179                 memcpy(nv->port_name, val, WWN_SIZE);
2180
2181         val = of_get_property(dp, "node-wwn", &len);
2182         if (val && len >= WWN_SIZE)
2183                 memcpy(nv->node_name, val, WWN_SIZE);
2184 #endif
2185 }
2186
2187 /*
2188 * NVRAM configuration for ISP 2xxx
2189 *
2190 * Input:
2191 *      ha                = adapter block pointer.
2192 *
2193 * Output:
2194 *      initialization control block in response_ring
2195 *      host adapters parameters in host adapter block
2196 *
2197 * Returns:
2198 *      0 = success.
2199 */
2200 int
2201 qla2x00_nvram_config(scsi_qla_host_t *vha)
2202 {
2203         int             rval;
2204         uint8_t         chksum = 0;
2205         uint16_t        cnt;
2206         uint8_t         *dptr1, *dptr2;
2207         struct qla_hw_data *ha = vha->hw;
2208         init_cb_t       *icb = ha->init_cb;
2209         nvram_t         *nv = ha->nvram;
2210         uint8_t         *ptr = ha->nvram;
2211         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2212
2213         rval = QLA_SUCCESS;
2214
2215         /* Determine NVRAM starting address. */
2216         ha->nvram_size = sizeof(nvram_t);
2217         ha->nvram_base = 0;
2218         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2219                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2220                         ha->nvram_base = 0x80;
2221
2222         /* Get NVRAM data and calculate checksum. */
2223         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2224         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2225                 chksum += *ptr++;
2226
2227         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
2228         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
2229
2230         /* Bad NVRAM data, set defaults parameters. */
2231         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2232             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2233                 /* Reset NVRAM data. */
2234                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
2235                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
2236                     nv->nvram_version);
2237                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
2238                     "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         if (nv->host_p[0] & BIT_7)
2383                 ql2xextended_error_logging = 1;
2384         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2385         /* Always load RISC code on non ISP2[12]00 chips. */
2386         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2387                 ha->flags.disable_risc_code_load = 0;
2388         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2389         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2390         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2391         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2392         ha->flags.disable_serdes = 0;
2393
2394         ha->operating_mode =
2395             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2396
2397         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2398             sizeof(ha->fw_seriallink_options));
2399
2400         /* save HBA serial number */
2401         ha->serial0 = icb->port_name[5];
2402         ha->serial1 = icb->port_name[6];
2403         ha->serial2 = icb->port_name[7];
2404         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2405         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2406
2407         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2408
2409         ha->retry_count = nv->retry_count;
2410
2411         /* Set minimum login_timeout to 4 seconds. */
2412         if (nv->login_timeout < ql2xlogintimeout)
2413                 nv->login_timeout = ql2xlogintimeout;
2414         if (nv->login_timeout < 4)
2415                 nv->login_timeout = 4;
2416         ha->login_timeout = nv->login_timeout;
2417         icb->login_timeout = nv->login_timeout;
2418
2419         /* Set minimum RATOV to 100 tenths of a second. */
2420         ha->r_a_tov = 100;
2421
2422         ha->loop_reset_delay = nv->reset_delay;
2423
2424         /* Link Down Timeout = 0:
2425          *
2426          *      When Port Down timer expires we will start returning
2427          *      I/O's to OS with "DID_NO_CONNECT".
2428          *
2429          * Link Down Timeout != 0:
2430          *
2431          *       The driver waits for the link to come up after link down
2432          *       before returning I/Os to OS with "DID_NO_CONNECT".
2433          */
2434         if (nv->link_down_timeout == 0) {
2435                 ha->loop_down_abort_time =
2436                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2437         } else {
2438                 ha->link_down_timeout =  nv->link_down_timeout;
2439                 ha->loop_down_abort_time =
2440                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2441         }
2442
2443         /*
2444          * Need enough time to try and get the port back.
2445          */
2446         ha->port_down_retry_count = nv->port_down_retry_count;
2447         if (qlport_down_retry)
2448                 ha->port_down_retry_count = qlport_down_retry;
2449         /* Set login_retry_count */
2450         ha->login_retry_count  = nv->retry_count;
2451         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2452             ha->port_down_retry_count > 3)
2453                 ha->login_retry_count = ha->port_down_retry_count;
2454         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2455                 ha->login_retry_count = ha->port_down_retry_count;
2456         if (ql2xloginretrycount)
2457                 ha->login_retry_count = ql2xloginretrycount;
2458
2459         icb->lun_enables = __constant_cpu_to_le16(0);
2460         icb->command_resource_count = 0;
2461         icb->immediate_notify_resource_count = 0;
2462         icb->timeout = __constant_cpu_to_le16(0);
2463
2464         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2465                 /* Enable RIO */
2466                 icb->firmware_options[0] &= ~BIT_3;
2467                 icb->add_firmware_options[0] &=
2468                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2469                 icb->add_firmware_options[0] |= BIT_2;
2470                 icb->response_accumulation_timer = 3;
2471                 icb->interrupt_delay_timer = 5;
2472
2473                 vha->flags.process_response_queue = 1;
2474         } else {
2475                 /* Enable ZIO. */
2476                 if (!vha->flags.init_done) {
2477                         ha->zio_mode = icb->add_firmware_options[0] &
2478                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2479                         ha->zio_timer = icb->interrupt_delay_timer ?
2480                             icb->interrupt_delay_timer: 2;
2481                 }
2482                 icb->add_firmware_options[0] &=
2483                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2484                 vha->flags.process_response_queue = 0;
2485                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2486                         ha->zio_mode = QLA_ZIO_MODE_6;
2487
2488                         DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
2489                             "delay (%d us).\n", vha->host_no, ha->zio_mode,
2490                             ha->zio_timer * 100));
2491                         qla_printk(KERN_INFO, ha,
2492                             "ZIO mode %d enabled; timer delay (%d us).\n",
2493                             ha->zio_mode, ha->zio_timer * 100);
2494
2495                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2496                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2497                         vha->flags.process_response_queue = 1;
2498                 }
2499         }
2500
2501         if (rval) {
2502                 DEBUG2_3(printk(KERN_WARNING
2503                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
2504         }
2505         return (rval);
2506 }
2507
2508 static void
2509 qla2x00_rport_del(void *data)
2510 {
2511         fc_port_t *fcport = data;
2512         struct fc_rport *rport;
2513
2514         spin_lock_irq(fcport->vha->host->host_lock);
2515         rport = fcport->drport ? fcport->drport: fcport->rport;
2516         fcport->drport = NULL;
2517         spin_unlock_irq(fcport->vha->host->host_lock);
2518         if (rport)
2519                 fc_remote_port_delete(rport);
2520 }
2521
2522 /**
2523  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2524  * @ha: HA context
2525  * @flags: allocation flags
2526  *
2527  * Returns a pointer to the allocated fcport, or NULL, if none available.
2528  */
2529 fc_port_t *
2530 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2531 {
2532         fc_port_t *fcport;
2533
2534         fcport = kzalloc(sizeof(fc_port_t), flags);
2535         if (!fcport)
2536                 return NULL;
2537
2538         /* Setup fcport template structure. */
2539         fcport->vha = vha;
2540         fcport->vp_idx = vha->vp_idx;
2541         fcport->port_type = FCT_UNKNOWN;
2542         fcport->loop_id = FC_NO_LOOP_ID;
2543         atomic_set(&fcport->state, FCS_UNCONFIGURED);
2544         fcport->supported_classes = FC_COS_UNSPECIFIED;
2545
2546         return fcport;
2547 }
2548
2549 /*
2550  * qla2x00_configure_loop
2551  *      Updates Fibre Channel Device Database with what is actually on loop.
2552  *
2553  * Input:
2554  *      ha                = adapter block pointer.
2555  *
2556  * Returns:
2557  *      0 = success.
2558  *      1 = error.
2559  *      2 = database was full and device was not configured.
2560  */
2561 static int
2562 qla2x00_configure_loop(scsi_qla_host_t *vha)
2563 {
2564         int  rval;
2565         unsigned long flags, save_flags;
2566         struct qla_hw_data *ha = vha->hw;
2567         rval = QLA_SUCCESS;
2568
2569         /* Get Initiator ID */
2570         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2571                 rval = qla2x00_configure_hba(vha);
2572                 if (rval != QLA_SUCCESS) {
2573                         DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2574                             vha->host_no));
2575                         return (rval);
2576                 }
2577         }
2578
2579         save_flags = flags = vha->dpc_flags;
2580         DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2581             vha->host_no, flags));
2582
2583         /*
2584          * If we have both an RSCN and PORT UPDATE pending then handle them
2585          * both at the same time.
2586          */
2587         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2588         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2589
2590         qla2x00_get_data_rate(vha);
2591
2592         /* Determine what we need to do */
2593         if (ha->current_topology == ISP_CFG_FL &&
2594             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2595
2596                 vha->flags.rscn_queue_overflow = 1;
2597                 set_bit(RSCN_UPDATE, &flags);
2598
2599         } else if (ha->current_topology == ISP_CFG_F &&
2600             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2601
2602                 vha->flags.rscn_queue_overflow = 1;
2603                 set_bit(RSCN_UPDATE, &flags);
2604                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2605
2606         } else if (ha->current_topology == ISP_CFG_N) {
2607                 clear_bit(RSCN_UPDATE, &flags);
2608
2609         } else if (!vha->flags.online ||
2610             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2611
2612                 vha->flags.rscn_queue_overflow = 1;
2613                 set_bit(RSCN_UPDATE, &flags);
2614                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2615         }
2616
2617         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2618                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2619                         rval = QLA_FUNCTION_FAILED;
2620                 else
2621                         rval = qla2x00_configure_local_loop(vha);
2622         }
2623
2624         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2625                 if (LOOP_TRANSITION(vha))
2626                         rval = QLA_FUNCTION_FAILED;
2627                 else
2628                         rval = qla2x00_configure_fabric(vha);
2629         }
2630
2631         if (rval == QLA_SUCCESS) {
2632                 if (atomic_read(&vha->loop_down_timer) ||
2633                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2634                         rval = QLA_FUNCTION_FAILED;
2635                 } else {
2636                         atomic_set(&vha->loop_state, LOOP_READY);
2637
2638                         DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2639                 }
2640         }
2641
2642         if (rval) {
2643                 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2644                     __func__, vha->host_no));
2645         } else {
2646                 DEBUG3(printk("%s: exiting normally\n", __func__));
2647         }
2648
2649         /* Restore state if a resync event occurred during processing */
2650         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2651                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2652                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2653                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2654                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2655                         if (!IS_ALOGIO_CAPABLE(ha))
2656                                 vha->flags.rscn_queue_overflow = 1;
2657                 }
2658         }
2659
2660         return (rval);
2661 }
2662
2663
2664
2665 /*
2666  * qla2x00_configure_local_loop
2667  *      Updates Fibre Channel Device Database with local loop devices.
2668  *
2669  * Input:
2670  *      ha = adapter block pointer.
2671  *
2672  * Returns:
2673  *      0 = success.
2674  */
2675 static int
2676 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2677 {
2678         int             rval, rval2;
2679         int             found_devs;
2680         int             found;
2681         fc_port_t       *fcport, *new_fcport;
2682
2683         uint16_t        index;
2684         uint16_t        entries;
2685         char            *id_iter;
2686         uint16_t        loop_id;
2687         uint8_t         domain, area, al_pa;
2688         struct qla_hw_data *ha = vha->hw;
2689
2690         found_devs = 0;
2691         new_fcport = NULL;
2692         entries = MAX_FIBRE_DEVICES;
2693
2694         DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2695         DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2696
2697         /* Get list of logged in devices. */
2698         memset(ha->gid_list, 0, GID_LIST_SIZE);
2699         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2700             &entries);
2701         if (rval != QLA_SUCCESS)
2702                 goto cleanup_allocation;
2703
2704         DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2705             vha->host_no, entries));
2706         DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2707             entries * sizeof(struct gid_list_info)));
2708
2709         /* Allocate temporary fcport for any new fcports discovered. */
2710         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2711         if (new_fcport == NULL) {
2712                 rval = QLA_MEMORY_ALLOC_FAILED;
2713                 goto cleanup_allocation;
2714         }
2715         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2716
2717         /*
2718          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2719          */
2720         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2721                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2722                     fcport->port_type != FCT_BROADCAST &&
2723                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2724
2725                         DEBUG(printk("scsi(%ld): Marking port lost, "
2726                             "loop_id=0x%04x\n",
2727                             vha->host_no, fcport->loop_id));
2728
2729                         atomic_set(&fcport->state, FCS_DEVICE_LOST);
2730                 }
2731         }
2732
2733         /* Add devices to port list. */
2734         id_iter = (char *)ha->gid_list;
2735         for (index = 0; index < entries; index++) {
2736                 domain = ((struct gid_list_info *)id_iter)->domain;
2737                 area = ((struct gid_list_info *)id_iter)->area;
2738                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2739                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2740                         loop_id = (uint16_t)
2741                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2742                 else
2743                         loop_id = le16_to_cpu(
2744                             ((struct gid_list_info *)id_iter)->loop_id);
2745                 id_iter += ha->gid_list_info_size;
2746
2747                 /* Bypass reserved domain fields. */
2748                 if ((domain & 0xf0) == 0xf0)
2749                         continue;
2750
2751                 /* Bypass if not same domain and area of adapter. */
2752                 if (area && domain &&
2753                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2754                         continue;
2755
2756                 /* Bypass invalid local loop ID. */
2757                 if (loop_id > LAST_LOCAL_LOOP_ID)
2758                         continue;
2759
2760                 /* Fill in member data. */
2761                 new_fcport->d_id.b.domain = domain;
2762                 new_fcport->d_id.b.area = area;
2763                 new_fcport->d_id.b.al_pa = al_pa;
2764                 new_fcport->loop_id = loop_id;
2765                 new_fcport->vp_idx = vha->vp_idx;
2766                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2767                 if (rval2 != QLA_SUCCESS) {
2768                         DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2769                             "information -- get_port_database=%x, "
2770                             "loop_id=0x%04x\n",
2771                             vha->host_no, rval2, new_fcport->loop_id));
2772                         DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2773                             vha->host_no));
2774                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2775                         continue;
2776                 }
2777
2778                 /* Check for matching device in port list. */
2779                 found = 0;
2780                 fcport = NULL;
2781                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2782                         if (memcmp(new_fcport->port_name, fcport->port_name,
2783                             WWN_SIZE))
2784                                 continue;
2785
2786                         fcport->flags &= ~FCF_FABRIC_DEVICE;
2787                         fcport->loop_id = new_fcport->loop_id;
2788                         fcport->port_type = new_fcport->port_type;
2789                         fcport->d_id.b24 = new_fcport->d_id.b24;
2790                         memcpy(fcport->node_name, new_fcport->node_name,
2791                             WWN_SIZE);
2792
2793                         found++;
2794                         break;
2795                 }
2796
2797                 if (!found) {
2798                         /* New device, add to fcports list. */
2799                         if (vha->vp_idx) {
2800                                 new_fcport->vha = vha;
2801                                 new_fcport->vp_idx = vha->vp_idx;
2802                         }
2803                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
2804
2805                         /* Allocate a new replacement fcport. */
2806                         fcport = new_fcport;
2807                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2808                         if (new_fcport == NULL) {
2809                                 rval = QLA_MEMORY_ALLOC_FAILED;
2810                                 goto cleanup_allocation;
2811                         }
2812                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2813                 }
2814
2815                 /* Base iIDMA settings on HBA port speed. */
2816                 fcport->fp_speed = ha->link_data_rate;
2817
2818                 qla2x00_update_fcport(vha, fcport);
2819
2820                 found_devs++;
2821         }
2822
2823 cleanup_allocation:
2824         kfree(new_fcport);
2825
2826         if (rval != QLA_SUCCESS) {
2827                 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2828                     "rval=%x\n", vha->host_no, rval));
2829         }
2830
2831         return (rval);
2832 }
2833
2834 static void
2835 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2836 {
2837 #define LS_UNKNOWN      2
2838         static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2839         char *link_speed;
2840         int rval;
2841         uint16_t mb[4];
2842         struct qla_hw_data *ha = vha->hw;
2843
2844         if (!IS_IIDMA_CAPABLE(ha))
2845                 return;
2846
2847         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2848             fcport->fp_speed > ha->link_data_rate)
2849                 return;
2850
2851         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2852             mb);
2853         if (rval != QLA_SUCCESS) {
2854                 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2855                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2856                     vha->host_no, fcport->port_name[0], fcport->port_name[1],
2857                     fcport->port_name[2], fcport->port_name[3],
2858                     fcport->port_name[4], fcport->port_name[5],
2859                     fcport->port_name[6], fcport->port_name[7], rval,
2860                     fcport->fp_speed, mb[0], mb[1]));
2861         } else {
2862                 link_speed = link_speeds[LS_UNKNOWN];
2863                 if (fcport->fp_speed < 5)
2864                         link_speed = link_speeds[fcport->fp_speed];
2865                 else if (fcport->fp_speed == 0x13)
2866                         link_speed = link_speeds[5];
2867                 DEBUG2(qla_printk(KERN_INFO, ha,
2868                     "iIDMA adjusted to %s GB/s on "
2869                     "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2870                     link_speed, fcport->port_name[0],
2871                     fcport->port_name[1], fcport->port_name[2],
2872                     fcport->port_name[3], fcport->port_name[4],
2873                     fcport->port_name[5], fcport->port_name[6],
2874                     fcport->port_name[7]));
2875         }
2876 }
2877
2878 static void
2879 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2880 {
2881         struct fc_rport_identifiers rport_ids;
2882         struct fc_rport *rport;
2883         struct qla_hw_data *ha = vha->hw;
2884
2885         qla2x00_rport_del(fcport);
2886
2887         rport_ids.node_name = wwn_to_u64(fcport->node_name);
2888         rport_ids.port_name = wwn_to_u64(fcport->port_name);
2889         rport_ids.port_id = fcport->d_id.b.domain << 16 |
2890             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2891         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2892         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2893         if (!rport) {
2894                 qla_printk(KERN_WARNING, ha,
2895                     "Unable to allocate fc remote port!\n");
2896                 return;
2897         }
2898         spin_lock_irq(fcport->vha->host->host_lock);
2899         *((fc_port_t **)rport->dd_data) = fcport;
2900         spin_unlock_irq(fcport->vha->host->host_lock);
2901
2902         rport->supported_classes = fcport->supported_classes;
2903
2904         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2905         if (fcport->port_type == FCT_INITIATOR)
2906                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2907         if (fcport->port_type == FCT_TARGET)
2908                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2909         fc_remote_port_rolechg(rport, rport_ids.roles);
2910 }
2911
2912 /*
2913  * qla2x00_update_fcport
2914  *      Updates device on list.
2915  *
2916  * Input:
2917  *      ha = adapter block pointer.
2918  *      fcport = port structure pointer.
2919  *
2920  * Return:
2921  *      0  - Success
2922  *  BIT_0 - error
2923  *
2924  * Context:
2925  *      Kernel context.
2926  */
2927 void
2928 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2929 {
2930         struct qla_hw_data *ha = vha->hw;
2931
2932         fcport->vha = vha;
2933         fcport->login_retry = 0;
2934         fcport->port_login_retry_count = ha->port_down_retry_count *
2935             PORT_RETRY_TIME;
2936         atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2937             PORT_RETRY_TIME);
2938         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
2939
2940         qla2x00_iidma_fcport(vha, fcport);
2941
2942         atomic_set(&fcport->state, FCS_ONLINE);
2943
2944         qla2x00_reg_remote_port(vha, fcport);
2945 }
2946
2947 /*
2948  * qla2x00_configure_fabric
2949  *      Setup SNS devices with loop ID's.
2950  *
2951  * Input:
2952  *      ha = adapter block pointer.
2953  *
2954  * Returns:
2955  *      0 = success.
2956  *      BIT_0 = error
2957  */
2958 static int
2959 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2960 {
2961         int     rval, rval2;
2962         fc_port_t       *fcport, *fcptemp;
2963         uint16_t        next_loopid;
2964         uint16_t        mb[MAILBOX_REGISTER_COUNT];
2965         uint16_t        loop_id;
2966         LIST_HEAD(new_fcports);
2967         struct qla_hw_data *ha = vha->hw;
2968         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2969
2970         /* If FL port exists, then SNS is present */
2971         if (IS_FWI2_CAPABLE(ha))
2972                 loop_id = NPH_F_PORT;
2973         else
2974                 loop_id = SNS_FL_PORT;
2975         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2976         if (rval != QLA_SUCCESS) {
2977                 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2978                     "Port\n", vha->host_no));
2979
2980                 vha->device_flags &= ~SWITCH_FOUND;
2981                 return (QLA_SUCCESS);
2982         }
2983         vha->device_flags |= SWITCH_FOUND;
2984
2985         /* Mark devices that need re-synchronization. */
2986         rval2 = qla2x00_device_resync(vha);
2987         if (rval2 == QLA_RSCNS_HANDLED) {
2988                 /* No point doing the scan, just continue. */
2989                 return (QLA_SUCCESS);
2990         }
2991         do {
2992                 /* FDMI support. */
2993                 if (ql2xfdmienable &&
2994                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2995                         qla2x00_fdmi_register(vha);
2996
2997                 /* Ensure we are logged into the SNS. */
2998                 if (IS_FWI2_CAPABLE(ha))
2999                         loop_id = NPH_SNS;
3000                 else
3001                         loop_id = SIMPLE_NAME_SERVER;
3002                 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3003                     0xfc, mb, BIT_1 | BIT_0);
3004                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3005                         DEBUG2(qla_printk(KERN_INFO, ha,
3006                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
3007                             "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
3008                             mb[0], mb[1], mb[2], mb[6], mb[7]));
3009                         return (QLA_SUCCESS);
3010                 }
3011
3012                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3013                         if (qla2x00_rft_id(vha)) {
3014                                 /* EMPTY */
3015                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
3016                                     "TYPE failed.\n", vha->host_no));
3017                         }
3018                         if (qla2x00_rff_id(vha)) {
3019                                 /* EMPTY */
3020                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
3021                                     "Features failed.\n", vha->host_no));
3022                         }
3023                         if (qla2x00_rnn_id(vha)) {
3024                                 /* EMPTY */
3025                                 DEBUG2(printk("scsi(%ld): Register Node Name "
3026                                     "failed.\n", vha->host_no));
3027                         } else if (qla2x00_rsnn_nn(vha)) {
3028                                 /* EMPTY */
3029                                 DEBUG2(printk("scsi(%ld): Register Symbolic "
3030                                     "Node Name failed.\n", vha->host_no));
3031                         }
3032                 }
3033
3034                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3035                 if (rval != QLA_SUCCESS)
3036                         break;
3037
3038                 /*
3039                  * Logout all previous fabric devices marked lost, except
3040                  * FCP2 devices.
3041                  */
3042                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3043                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3044                                 break;
3045
3046                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3047                                 continue;
3048
3049                         if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3050                                 qla2x00_mark_device_lost(vha, fcport,
3051                                     ql2xplogiabsentdevice, 0);
3052                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
3053                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3054                                     fcport->port_type != FCT_INITIATOR &&
3055                                     fcport->port_type != FCT_BROADCAST) {
3056                                         ha->isp_ops->fabric_logout(vha,
3057                                             fcport->loop_id,
3058                                             fcport->d_id.b.domain,
3059                                             fcport->d_id.b.area,
3060                                             fcport->d_id.b.al_pa);
3061                                         fcport->loop_id = FC_NO_LOOP_ID;
3062                                 }
3063                         }
3064                 }
3065
3066                 /* Starting free loop ID. */
3067                 next_loopid = ha->min_external_loopid;
3068
3069                 /*
3070                  * Scan through our port list and login entries that need to be
3071                  * logged in.
3072                  */
3073                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3074                         if (atomic_read(&vha->loop_down_timer) ||
3075                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3076                                 break;
3077
3078                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3079                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3080                                 continue;
3081
3082                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3083                                 fcport->loop_id = next_loopid;
3084                                 rval = qla2x00_find_new_loop_id(
3085                                     base_vha, fcport);
3086                                 if (rval != QLA_SUCCESS) {
3087                                         /* Ran out of IDs to use */
3088                                         break;
3089                                 }
3090                         }
3091                         /* Login and update database */
3092                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3093                 }
3094
3095                 /* Exit if out of loop IDs. */
3096                 if (rval != QLA_SUCCESS) {
3097                         break;
3098                 }
3099
3100                 /*
3101                  * Login and add the new devices to our port list.
3102                  */
3103                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3104                         if (atomic_read(&vha->loop_down_timer) ||
3105                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3106                                 break;
3107
3108                         /* Find a new loop ID to use. */
3109                         fcport->loop_id = next_loopid;
3110                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
3111                         if (rval != QLA_SUCCESS) {
3112                                 /* Ran out of IDs to use */
3113                                 break;
3114                         }
3115
3116                         /* Login and update database */
3117                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3118
3119                         if (vha->vp_idx) {
3120                                 fcport->vha = vha;
3121                                 fcport->vp_idx = vha->vp_idx;
3122                         }
3123                         list_move_tail(&fcport->list, &vha->vp_fcports);
3124                 }
3125         } while (0);
3126
3127         /* Free all new device structures not processed. */
3128         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3129                 list_del(&fcport->list);
3130                 kfree(fcport);
3131         }
3132
3133         if (rval) {
3134                 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
3135                     "rval=%d\n", vha->host_no, rval));
3136         }
3137
3138         return (rval);
3139 }
3140
3141
3142 /*
3143  * qla2x00_find_all_fabric_devs
3144  *
3145  * Input:
3146  *      ha = adapter block pointer.
3147  *      dev = database device entry pointer.
3148  *
3149  * Returns:
3150  *      0 = success.
3151  *
3152  * Context:
3153  *      Kernel context.
3154  */
3155 static int
3156 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3157         struct list_head *new_fcports)
3158 {
3159         int             rval;
3160         uint16_t        loop_id;
3161         fc_port_t       *fcport, *new_fcport, *fcptemp;
3162         int             found;
3163
3164         sw_info_t       *swl;
3165         int             swl_idx;
3166         int             first_dev, last_dev;
3167         port_id_t       wrap = {}, nxt_d_id;
3168         struct qla_hw_data *ha = vha->hw;
3169         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3170         struct scsi_qla_host *tvp;
3171
3172         rval = QLA_SUCCESS;
3173
3174         /* Try GID_PT to get device list, else GAN. */
3175         swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
3176         if (!swl) {
3177                 /*EMPTY*/
3178                 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
3179                     "on GA_NXT\n", vha->host_no));
3180         } else {
3181                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3182                         kfree(swl);
3183                         swl = NULL;
3184                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3185                         kfree(swl);
3186                         swl = NULL;
3187                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3188                         kfree(swl);
3189                         swl = NULL;
3190                 } else if (ql2xiidmaenable &&
3191                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3192                         qla2x00_gpsc(vha, swl);
3193                 }
3194         }
3195         swl_idx = 0;
3196
3197         /* Allocate temporary fcport for any new fcports discovered. */
3198         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3199         if (new_fcport == NULL) {
3200                 kfree(swl);
3201                 return (QLA_MEMORY_ALLOC_FAILED);
3202         }
3203         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3204         /* Set start port ID scan at adapter ID. */
3205         first_dev = 1;
3206         last_dev = 0;
3207
3208         /* Starting free loop ID. */
3209         loop_id = ha->min_external_loopid;
3210         for (; loop_id <= ha->max_loop_id; loop_id++) {
3211                 if (qla2x00_is_reserved_id(vha, loop_id))
3212                         continue;
3213
3214                 if (ha->current_topology == ISP_CFG_FL &&
3215                     (atomic_read(&vha->loop_down_timer) ||
3216                      LOOP_TRANSITION(vha))) {
3217                         atomic_set(&vha->loop_down_timer, 0);
3218                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3219                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3220                         break;
3221                 }
3222
3223                 if (swl != NULL) {
3224                         if (last_dev) {
3225                                 wrap.b24 = new_fcport->d_id.b24;
3226                         } else {
3227                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3228                                 memcpy(new_fcport->node_name,
3229                                     swl[swl_idx].node_name, WWN_SIZE);
3230                                 memcpy(new_fcport->port_name,
3231                                     swl[swl_idx].port_name, WWN_SIZE);
3232                                 memcpy(new_fcport->fabric_port_name,
3233                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3234                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3235
3236                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3237                                         last_dev = 1;
3238                                 }
3239                                 swl_idx++;
3240                         }
3241                 } else {
3242                         /* Send GA_NXT to the switch */
3243                         rval = qla2x00_ga_nxt(vha, new_fcport);
3244                         if (rval != QLA_SUCCESS) {
3245                                 qla_printk(KERN_WARNING, ha,
3246                                     "SNS scan failed -- assuming zero-entry "
3247                                     "result...\n");
3248                                 list_for_each_entry_safe(fcport, fcptemp,
3249                                     new_fcports, list) {
3250                                         list_del(&fcport->list);
3251                                         kfree(fcport);
3252                                 }
3253                                 rval = QLA_SUCCESS;
3254                                 break;
3255                         }
3256                 }
3257
3258                 /* If wrap on switch device list, exit. */
3259                 if (first_dev) {
3260                         wrap.b24 = new_fcport->d_id.b24;
3261                         first_dev = 0;
3262                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3263                         DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
3264                             vha->host_no, new_fcport->d_id.b.domain,
3265                             new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
3266                         break;
3267                 }
3268
3269                 /* Bypass if same physical adapter. */
3270                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3271                         continue;
3272
3273                 /* Bypass virtual ports of the same host. */
3274                 found = 0;
3275                 if (ha->num_vhosts) {
3276                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3277                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3278                                         found = 1;
3279                                         break;
3280                                 }
3281                         }
3282                         if (found)
3283                                 continue;
3284                 }
3285
3286                 /* Bypass if same domain and area of adapter. */
3287                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3288                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3289                         ISP_CFG_FL)
3290                             continue;
3291
3292                 /* Bypass reserved domain fields. */
3293                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3294                         continue;
3295
3296                 /* Locate matching device in database. */
3297                 found = 0;
3298                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3299                         if (memcmp(new_fcport->port_name, fcport->port_name,
3300                             WWN_SIZE))
3301                                 continue;
3302
3303                         found++;
3304
3305                         /* Update port state. */
3306                         memcpy(fcport->fabric_port_name,
3307                             new_fcport->fabric_port_name, WWN_SIZE);
3308                         fcport->fp_speed = new_fcport->fp_speed;
3309
3310                         /*
3311                          * If address the same and state FCS_ONLINE, nothing
3312                          * changed.
3313                          */
3314                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3315                             atomic_read(&fcport->state) == FCS_ONLINE) {
3316                                 break;
3317                         }
3318
3319                         /*
3320                          * If device was not a fabric device before.
3321                          */
3322                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3323                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3324                                 fcport->loop_id = FC_NO_LOOP_ID;
3325                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3326                                     FCF_LOGIN_NEEDED);
3327                                 break;
3328                         }
3329
3330                         /*
3331                          * Port ID changed or device was marked to be updated;
3332                          * Log it out if still logged in and mark it for
3333                          * relogin later.
3334                          */
3335                         fcport->d_id.b24 = new_fcport->d_id.b24;
3336                         fcport->flags |= FCF_LOGIN_NEEDED;
3337                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3338                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3339                             fcport->port_type != FCT_INITIATOR &&
3340                             fcport->port_type != FCT_BROADCAST) {
3341                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3342                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3343                                     fcport->d_id.b.al_pa);
3344                                 fcport->loop_id = FC_NO_LOOP_ID;
3345                         }
3346
3347                         break;
3348                 }
3349
3350                 if (found)
3351                         continue;
3352                 /* If device was not in our fcports list, then add it. */
3353                 list_add_tail(&new_fcport->list, new_fcports);
3354
3355                 /* Allocate a new replacement fcport. */
3356                 nxt_d_id.b24 = new_fcport->d_id.b24;
3357                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3358                 if (new_fcport == NULL) {
3359                         kfree(swl);
3360                         return (QLA_MEMORY_ALLOC_FAILED);
3361                 }
3362                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3363                 new_fcport->d_id.b24 = nxt_d_id.b24;
3364         }
3365
3366         kfree(swl);
3367         kfree(new_fcport);
3368
3369         return (rval);
3370 }
3371
3372 /*
3373  * qla2x00_find_new_loop_id
3374  *      Scan through our port list and find a new usable loop ID.
3375  *
3376  * Input:
3377  *      ha:     adapter state pointer.
3378  *      dev:    port structure pointer.
3379  *
3380  * Returns:
3381  *      qla2x00 local function return status code.
3382  *
3383  * Context:
3384  *      Kernel context.
3385  */
3386 static int
3387 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3388 {
3389         int     rval;
3390         int     found;
3391         fc_port_t *fcport;
3392         uint16_t first_loop_id;
3393         struct qla_hw_data *ha = vha->hw;
3394         struct scsi_qla_host *vp;
3395         struct scsi_qla_host *tvp;
3396
3397         rval = QLA_SUCCESS;
3398
3399         /* Save starting loop ID. */
3400         first_loop_id = dev->loop_id;
3401
3402         for (;;) {
3403                 /* Skip loop ID if already used by adapter. */
3404                 if (dev->loop_id == vha->loop_id)
3405                         dev->loop_id++;
3406
3407                 /* Skip reserved loop IDs. */
3408                 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3409                         dev->loop_id++;
3410
3411                 /* Reset loop ID if passed the end. */
3412                 if (dev->loop_id > ha->max_loop_id) {
3413                         /* first loop ID. */
3414                         dev->loop_id = ha->min_external_loopid;
3415                 }
3416
3417                 /* Check for loop ID being already in use. */
3418                 found = 0;
3419                 fcport = NULL;
3420                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3421                         list_for_each_entry(fcport, &vp->vp_fcports, list) {
3422                                 if (fcport->loop_id == dev->loop_id &&
3423                                                                 fcport != dev) {
3424                                         /* ID possibly in use */
3425                                         found++;
3426                                         break;
3427                                 }
3428                         }
3429                         if (found)
3430                                 break;
3431                 }
3432
3433                 /* If not in use then it is free to use. */
3434                 if (!found) {
3435                         break;
3436                 }
3437
3438                 /* ID in use. Try next value. */
3439                 dev->loop_id++;
3440
3441                 /* If wrap around. No free ID to use. */
3442                 if (dev->loop_id == first_loop_id) {
3443                         dev->loop_id = FC_NO_LOOP_ID;
3444                         rval = QLA_FUNCTION_FAILED;
3445                         break;
3446                 }
3447         }
3448
3449         return (rval);
3450 }
3451
3452 /*
3453  * qla2x00_device_resync
3454  *      Marks devices in the database that needs resynchronization.
3455  *
3456  * Input:
3457  *      ha = adapter block pointer.
3458  *
3459  * Context:
3460  *      Kernel context.
3461  */
3462 static int
3463 qla2x00_device_resync(scsi_qla_host_t *vha)
3464 {
3465         int     rval;
3466         uint32_t mask;
3467         fc_port_t *fcport;
3468         uint32_t rscn_entry;
3469         uint8_t rscn_out_iter;
3470         uint8_t format;
3471         port_id_t d_id = {};
3472
3473         rval = QLA_RSCNS_HANDLED;
3474
3475         while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3476             vha->flags.rscn_queue_overflow) {
3477
3478                 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3479                 format = MSB(MSW(rscn_entry));
3480                 d_id.b.domain = LSB(MSW(rscn_entry));
3481                 d_id.b.area = MSB(LSW(rscn_entry));
3482                 d_id.b.al_pa = LSB(LSW(rscn_entry));
3483
3484                 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3485                     "[%02x/%02x%02x%02x].\n",
3486                     vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
3487                     d_id.b.area, d_id.b.al_pa));
3488
3489                 vha->rscn_out_ptr++;
3490                 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3491                         vha->rscn_out_ptr = 0;
3492
3493                 /* Skip duplicate entries. */
3494                 for (rscn_out_iter = vha->rscn_out_ptr;
3495                     !vha->flags.rscn_queue_overflow &&
3496                     rscn_out_iter != vha->rscn_in_ptr;
3497                     rscn_out_iter = (rscn_out_iter ==
3498                         (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3499
3500                         if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3501                                 break;
3502
3503                         DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
3504                             "entry found at [%d].\n", vha->host_no,
3505                             rscn_out_iter));
3506
3507                         vha->rscn_out_ptr = rscn_out_iter;
3508                 }
3509
3510                 /* Queue overflow, set switch default case. */
3511                 if (vha->flags.rscn_queue_overflow) {
3512                         DEBUG(printk("scsi(%ld): device_resync: rscn "
3513                             "overflow.\n", vha->host_no));
3514
3515                         format = 3;
3516                         vha->flags.rscn_queue_overflow = 0;
3517                 }
3518
3519                 switch (format) {
3520                 case 0:
3521                         mask = 0xffffff;
3522                         break;
3523                 case 1:
3524                         mask = 0xffff00;
3525                         break;
3526                 case 2:
3527                         mask = 0xff0000;
3528                         break;
3529                 default:
3530                         mask = 0x0;
3531                         d_id.b24 = 0;
3532                         vha->rscn_out_ptr = vha->rscn_in_ptr;
3533                         break;
3534                 }
3535
3536                 rval = QLA_SUCCESS;
3537
3538                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3539                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3540                             (fcport->d_id.b24 & mask) != d_id.b24 ||
3541                             fcport->port_type == FCT_BROADCAST)
3542                                 continue;
3543
3544                         if (atomic_read(&fcport->state) == FCS_ONLINE) {
3545                                 if (format != 3 ||
3546                                     fcport->port_type != FCT_INITIATOR) {
3547                                         qla2x00_mark_device_lost(vha, fcport,
3548                                             0, 0);
3549                                 }
3550                         }
3551                 }
3552         }
3553         return (rval);
3554 }
3555
3556 /*
3557  * qla2x00_fabric_dev_login
3558  *      Login fabric target device and update FC port database.
3559  *
3560  * Input:
3561  *      ha:             adapter state pointer.
3562  *      fcport:         port structure list pointer.
3563  *      next_loopid:    contains value of a new loop ID that can be used
3564  *                      by the next login attempt.
3565  *
3566  * Returns:
3567  *      qla2x00 local function return status code.
3568  *
3569  * Context:
3570  *      Kernel context.
3571  */
3572 static int
3573 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3574     uint16_t *next_loopid)
3575 {
3576         int     rval;
3577         int     retry;
3578         uint8_t opts;
3579         struct qla_hw_data *ha = vha->hw;
3580
3581         rval = QLA_SUCCESS;
3582         retry = 0;
3583
3584         if (IS_ALOGIO_CAPABLE(ha)) {
3585                 if (fcport->flags & FCF_ASYNC_SENT)
3586                         return rval;
3587                 fcport->flags |= FCF_ASYNC_SENT;
3588                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3589                 if (!rval)
3590                         return rval;
3591         }
3592
3593         fcport->flags &= ~FCF_ASYNC_SENT;
3594         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3595         if (rval == QLA_SUCCESS) {
3596                 /* Send an ADISC to FCP2 devices.*/
3597                 opts = 0;
3598                 if (fcport->flags & FCF_FCP2_DEVICE)
3599                         opts |= BIT_1;
3600                 rval = qla2x00_get_port_database(vha, fcport, opts);
3601                 if (rval != QLA_SUCCESS) {
3602                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3603                             fcport->d_id.b.domain, fcport->d_id.b.area,
3604                             fcport->d_id.b.al_pa);
3605                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3606                 } else {
3607                         qla2x00_update_fcport(vha, fcport);
3608                 }
3609         }
3610
3611         return (rval);
3612 }
3613
3614 /*
3615  * qla2x00_fabric_login
3616  *      Issue fabric login command.
3617  *
3618  * Input:
3619  *      ha = adapter block pointer.
3620  *      device = pointer to FC device type structure.
3621  *
3622  * Returns:
3623  *      0 - Login successfully
3624  *      1 - Login failed
3625  *      2 - Initiator device
3626  *      3 - Fatal error
3627  */
3628 int
3629 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3630     uint16_t *next_loopid)
3631 {
3632         int     rval;
3633         int     retry;
3634         uint16_t tmp_loopid;
3635         uint16_t mb[MAILBOX_REGISTER_COUNT];
3636         struct qla_hw_data *ha = vha->hw;
3637
3638         retry = 0;
3639         tmp_loopid = 0;
3640
3641         for (;;) {
3642                 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3643                     "for port %02x%02x%02x.\n",
3644                     vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3645                     fcport->d_id.b.area, fcport->d_id.b.al_pa));
3646
3647                 /* Login fcport on switch. */
3648                 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3649                     fcport->d_id.b.domain, fcport->d_id.b.area,
3650                     fcport->d_id.b.al_pa, mb, BIT_0);
3651                 if (mb[0] == MBS_PORT_ID_USED) {
3652                         /*
3653                          * Device has another loop ID.  The firmware team
3654                          * recommends the driver perform an implicit login with
3655                          * the specified ID again. The ID we just used is save
3656                          * here so we return with an ID that can be tried by
3657                          * the next login.
3658                          */
3659                         retry++;
3660                         tmp_loopid = fcport->loop_id;
3661                         fcport->loop_id = mb[1];
3662
3663                         DEBUG(printk("Fabric Login: port in use - next "
3664                             "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3665                             fcport->loop_id, fcport->d_id.b.domain,
3666                             fcport->d_id.b.area, fcport->d_id.b.al_pa));
3667
3668                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3669                         /*
3670                          * Login succeeded.
3671                          */
3672                         if (retry) {
3673                                 /* A retry occurred before. */
3674                                 *next_loopid = tmp_loopid;
3675                         } else {
3676                                 /*
3677                                  * No retry occurred before. Just increment the
3678                                  * ID value for next login.
3679                                  */
3680                                 *next_loopid = (fcport->loop_id + 1);
3681                         }
3682
3683                         if (mb[1] & BIT_0) {
3684                                 fcport->port_type = FCT_INITIATOR;
3685                         } else {
3686                                 fcport->port_type = FCT_TARGET;
3687                                 if (mb[1] & BIT_1) {
3688                                         fcport->flags |= FCF_FCP2_DEVICE;
3689                                 }
3690                         }
3691
3692                         if (mb[10] & BIT_0)
3693                                 fcport->supported_classes |= FC_COS_CLASS2;
3694                         if (mb[10] & BIT_1)
3695                                 fcport->supported_classes |= FC_COS_CLASS3;
3696
3697                         rval = QLA_SUCCESS;
3698                         break;
3699                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3700                         /*
3701                          * Loop ID already used, try next loop ID.
3702                          */
3703                         fcport->loop_id++;
3704                         rval = qla2x00_find_new_loop_id(vha, fcport);
3705                         if (rval != QLA_SUCCESS) {
3706                                 /* Ran out of loop IDs to use */
3707                                 break;
3708                         }
3709                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3710                         /*
3711                          * Firmware possibly timed out during login. If NO
3712                          * retries are left to do then the device is declared
3713                          * dead.
3714                          */
3715                         *next_loopid = fcport->loop_id;
3716                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3717                             fcport->d_id.b.domain, fcport->d_id.b.area,
3718                             fcport->d_id.b.al_pa);
3719                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3720
3721                         rval = 1;
3722                         break;
3723                 } else {
3724                         /*
3725                          * unrecoverable / not handled error
3726                          */
3727                         DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3728                             "loop_id=%x jiffies=%lx.\n",
3729                             __func__, vha->host_no, mb[0],
3730                             fcport->d_id.b.domain, fcport->d_id.b.area,
3731                             fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3732
3733                         *next_loopid = fcport->loop_id;
3734                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3735                             fcport->d_id.b.domain, fcport->d_id.b.area,
3736                             fcport->d_id.b.al_pa);
3737                         fcport->loop_id = FC_NO_LOOP_ID;
3738                         fcport->login_retry = 0;
3739
3740                         rval = 3;
3741                         break;
3742                 }
3743         }
3744
3745         return (rval);
3746 }
3747
3748 /*
3749  * qla2x00_local_device_login
3750  *      Issue local device login command.
3751  *
3752  * Input:
3753  *      ha = adapter block pointer.
3754  *      loop_id = loop id of device to login to.
3755  *
3756  * Returns (Where's the #define!!!!):
3757  *      0 - Login successfully
3758  *      1 - Login failed
3759  *      3 - Fatal error
3760  */
3761 int
3762 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3763 {
3764         int             rval;
3765         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3766
3767         memset(mb, 0, sizeof(mb));
3768         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3769         if (rval == QLA_SUCCESS) {
3770                 /* Interrogate mailbox registers for any errors */
3771                 if (mb[0] == MBS_COMMAND_ERROR)
3772                         rval = 1;
3773                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3774                         /* device not in PCB table */
3775                         rval = 3;
3776         }
3777
3778         return (rval);
3779 }
3780
3781 /*
3782  *  qla2x00_loop_resync
3783  *      Resync with fibre channel devices.
3784  *
3785  * Input:
3786  *      ha = adapter block pointer.
3787  *
3788  * Returns:
3789  *      0 = success
3790  */
3791 int
3792 qla2x00_loop_resync(scsi_qla_host_t *vha)
3793 {
3794         int rval = QLA_SUCCESS;
3795         uint32_t wait_time;
3796         struct req_que *req;
3797         struct rsp_que *rsp;
3798
3799         if (vha->hw->flags.cpu_affinity_enabled)
3800                 req = vha->hw->req_q_map[0];
3801         else
3802                 req = vha->req;
3803         rsp = req->rsp;
3804
3805         atomic_set(&vha->loop_state, LOOP_UPDATE);
3806         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3807         if (vha->flags.online) {
3808                 if (!(rval = qla2x00_fw_ready(vha))) {
3809                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3810                         wait_time = 256;
3811                         do {
3812                                 atomic_set(&vha->loop_state, LOOP_UPDATE);
3813
3814                                 /* Issue a marker after FW becomes ready. */
3815                                 qla2x00_marker(vha, req, rsp, 0, 0,
3816                                         MK_SYNC_ALL);
3817                                 vha->marker_needed = 0;
3818
3819                                 /* Remap devices on Loop. */
3820                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3821
3822                                 qla2x00_configure_loop(vha);
3823                                 wait_time--;
3824                         } while (!atomic_read(&vha->loop_down_timer) &&
3825                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3826                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3827                                 &vha->dpc_flags)));
3828                 }
3829         }
3830
3831         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3832                 return (QLA_FUNCTION_FAILED);
3833
3834         if (rval)
3835                 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3836
3837         return (rval);
3838 }
3839
3840 void
3841 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3842 {
3843         fc_port_t *fcport;
3844         struct scsi_qla_host *tvp, *vha;
3845
3846         /* Go with deferred removal of rport references. */
3847         list_for_each_entry_safe(vha, tvp, &base_vha->hw->vp_list, list)
3848                 list_for_each_entry(fcport, &vha->vp_fcports, list)
3849                         if (fcport && fcport->drport &&
3850                             atomic_read(&fcport->state) != FCS_UNCONFIGURED)
3851                                 qla2x00_rport_del(fcport);
3852 }
3853
3854 void
3855 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
3856 {
3857         struct qla_hw_data *ha = vha->hw;
3858         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
3859         struct scsi_qla_host *tvp;
3860
3861         vha->flags.online = 0;
3862         ha->flags.chip_reset_done = 0;
3863         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3864         ha->qla_stats.total_isp_aborts++;
3865
3866         qla_printk(KERN_INFO, ha,
3867             "Performing ISP error recovery - ha= %p.\n", ha);
3868
3869         /* Chip reset does not apply to 82XX */
3870         if (!IS_QLA82XX(ha))
3871                 ha->isp_ops->reset_chip(vha);
3872
3873         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3874         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3875                 atomic_set(&vha->loop_state, LOOP_DOWN);
3876                 qla2x00_mark_all_devices_lost(vha, 0);
3877                 list_for_each_entry_safe(vp, tvp, &base_vha->hw->vp_list, list)
3878                         qla2x00_mark_all_devices_lost(vp, 0);
3879         } else {
3880                 if (!atomic_read(&vha->loop_down_timer))
3881                         atomic_set(&vha->loop_down_timer,
3882                             LOOP_DOWN_TIME);
3883         }
3884
3885         /* Make sure for ISP 82XX IO DMA is complete */
3886         if (IS_QLA82XX(ha))
3887                 qla82xx_wait_for_pending_commands(vha);
3888
3889         /* Requeue all commands in outstanding command list. */
3890         qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3891 }
3892
3893 /*
3894 *  qla2x00_abort_isp
3895 *      Resets ISP and aborts all outstanding commands.
3896 *
3897 * Input:
3898 *      ha           = adapter block pointer.
3899 *
3900 * Returns:
3901 *      0 = success
3902 */
3903 int
3904 qla2x00_abort_isp(scsi_qla_host_t *vha)
3905 {
3906         int rval;
3907         uint8_t        status = 0;
3908         struct qla_hw_data *ha = vha->hw;
3909         struct scsi_qla_host *vp;
3910         struct scsi_qla_host *tvp;
3911         struct req_que *req = ha->req_q_map[0];
3912
3913         if (vha->flags.online) {
3914                 qla2x00_abort_isp_cleanup(vha);
3915
3916                 if (unlikely(pci_channel_offline(ha->pdev) &&
3917                     ha->flags.pci_channel_io_perm_failure)) {
3918                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3919                         status = 0;
3920                         return status;
3921                 }
3922
3923                 ha->isp_ops->get_flash_version(vha, req->ring);
3924
3925                 ha->isp_ops->nvram_config(vha);
3926
3927                 if (!qla2x00_restart_isp(vha)) {
3928                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3929
3930                         if (!atomic_read(&vha->loop_down_timer)) {
3931                                 /*
3932                                  * Issue marker command only when we are going
3933                                  * to start the I/O .
3934                                  */
3935                                 vha->marker_needed = 1;
3936                         }
3937
3938                         vha->flags.online = 1;
3939
3940                         ha->isp_ops->enable_intrs(ha);
3941
3942                         ha->isp_abort_cnt = 0;
3943                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3944
3945                         if (IS_QLA81XX(ha))
3946                                 qla2x00_get_fw_version(vha,
3947                                     &ha->fw_major_version,
3948                                     &ha->fw_minor_version,
3949                                     &ha->fw_subminor_version,
3950                                     &ha->fw_attributes, &ha->fw_memory_size,
3951                                     ha->mpi_version, &ha->mpi_capabilities,
3952                                     ha->phy_version);
3953
3954                         if (ha->fce) {
3955                                 ha->flags.fce_enabled = 1;
3956                                 memset(ha->fce, 0,
3957                                     fce_calc_size(ha->fce_bufs));
3958                                 rval = qla2x00_enable_fce_trace(vha,
3959                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3960                                     &ha->fce_bufs);
3961                                 if (rval) {
3962                                         qla_printk(KERN_WARNING, ha,
3963                                             "Unable to reinitialize FCE "
3964                                             "(%d).\n", rval);
3965                                         ha->flags.fce_enabled = 0;
3966                                 }
3967                         }
3968
3969                         if (ha->eft) {
3970                                 memset(ha->eft, 0, EFT_SIZE);
3971                                 rval = qla2x00_enable_eft_trace(vha,
3972                                     ha->eft_dma, EFT_NUM_BUFFERS);
3973                                 if (rval) {
3974                                         qla_printk(KERN_WARNING, ha,
3975                                             "Unable to reinitialize EFT "
3976                                             "(%d).\n", rval);
3977                                 }
3978                         }
3979                 } else {        /* failed the ISP abort */
3980                         vha->flags.online = 1;
3981                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3982                                 if (ha->isp_abort_cnt == 0) {
3983                                         qla_printk(KERN_WARNING, ha,
3984                                             "ISP error recovery failed - "
3985                                             "board disabled\n");
3986                                         /*
3987                                          * The next call disables the board
3988                                          * completely.
3989                                          */
3990                                         ha->isp_ops->reset_adapter(vha);
3991                                         vha->flags.online = 0;
3992                                         clear_bit(ISP_ABORT_RETRY,
3993                                             &vha->dpc_flags);
3994                                         status = 0;
3995                                 } else { /* schedule another ISP abort */
3996                                         ha->isp_abort_cnt--;
3997                                         DEBUG(printk("qla%ld: ISP abort - "
3998                                             "retry remaining %d\n",
3999                                             vha->host_no, ha->isp_abort_cnt));
4000                                         status = 1;
4001                                 }
4002                         } else {
4003                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4004                                 DEBUG(printk("qla2x00(%ld): ISP error recovery "
4005                                     "- retrying (%d) more times\n",
4006                                     vha->host_no, ha->isp_abort_cnt));
4007                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4008                                 status = 1;
4009                         }
4010                 }
4011
4012         }
4013
4014         if (!status) {
4015                 DEBUG(printk(KERN_INFO
4016                                 "qla2x00_abort_isp(%ld): succeeded.\n",
4017                                 vha->host_no));
4018                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
4019                         if (vp->vp_idx)
4020                                 qla2x00_vp_abort_isp(vp);
4021                 }
4022         } else {
4023                 qla_printk(KERN_INFO, ha,
4024                         "qla2x00_abort_isp: **** FAILED ****\n");
4025         }
4026
4027         return(status);
4028 }
4029
4030 /*
4031 *  qla2x00_restart_isp
4032 *      restarts the ISP after a reset
4033 *
4034 * Input:
4035 *      ha = adapter block pointer.
4036 *
4037 * Returns:
4038 *      0 = success
4039 */
4040 static int
4041 qla2x00_restart_isp(scsi_qla_host_t *vha)
4042 {
4043         int status = 0;
4044         uint32_t wait_time;
4045         struct qla_hw_data *ha = vha->hw;
4046         struct req_que *req = ha->req_q_map[0];
4047         struct rsp_que *rsp = ha->rsp_q_map[0];
4048
4049         /* If firmware needs to be loaded */
4050         if (qla2x00_isp_firmware(vha)) {
4051                 vha->flags.online = 0;
4052                 status = ha->isp_ops->chip_diag(vha);
4053                 if (!status)
4054                         status = qla2x00_setup_chip(vha);
4055         }
4056
4057         if (!status && !(status = qla2x00_init_rings(vha))) {
4058                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4059                 ha->flags.chip_reset_done = 1;
4060                 /* Initialize the queues in use */
4061                 qla25xx_init_queues(ha);
4062
4063                 status = qla2x00_fw_ready(vha);
4064                 if (!status) {
4065                         DEBUG(printk("%s(): Start configure loop, "
4066                             "status = %d\n", __func__, status));
4067
4068                         /* Issue a marker after FW becomes ready. */
4069                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4070
4071                         vha->flags.online = 1;
4072                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4073                         wait_time = 256;
4074                         do {
4075                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4076                                 qla2x00_configure_loop(vha);
4077                                 wait_time--;
4078                         } while (!atomic_read(&vha->loop_down_timer) &&
4079                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4080                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4081                                 &vha->dpc_flags)));
4082                 }
4083
4084                 /* if no cable then assume it's good */
4085                 if ((vha->device_flags & DFLG_NO_CABLE))
4086                         status = 0;
4087
4088                 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
4089                                 __func__,
4090                                 status));
4091         }
4092         return (status);
4093 }
4094
4095 static int
4096 qla25xx_init_queues(struct qla_hw_data *ha)
4097 {
4098         struct rsp_que *rsp = NULL;
4099         struct req_que *req = NULL;
4100         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4101         int ret = -1;
4102         int i;
4103
4104         for (i = 1; i < ha->max_rsp_queues; i++) {
4105                 rsp = ha->rsp_q_map[i];
4106                 if (rsp) {
4107                         rsp->options &= ~BIT_0;
4108                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4109                         if (ret != QLA_SUCCESS)
4110                                 DEBUG2_17(printk(KERN_WARNING
4111                                         "%s Rsp que:%d init failed\n", __func__,
4112                                                 rsp->id));
4113                         else
4114                                 DEBUG2_17(printk(KERN_INFO
4115                                         "%s Rsp que:%d inited\n", __func__,
4116                                                 rsp->id));
4117                 }
4118         }
4119         for (i = 1; i < ha->max_req_queues; i++) {
4120                 req = ha->req_q_map[i];
4121                 if (req) {
4122                 /* Clear outstanding commands array. */
4123                         req->options &= ~BIT_0;
4124                         ret = qla25xx_init_req_que(base_vha, req);
4125                         if (ret != QLA_SUCCESS)
4126                                 DEBUG2_17(printk(KERN_WARNING
4127                                         "%s Req que:%d init failed\n", __func__,
4128                                                 req->id));
4129                         else
4130                                 DEBUG2_17(printk(KERN_WARNING
4131                                         "%s Req que:%d inited\n", __func__,
4132                                                 req->id));
4133                 }
4134         }
4135         return ret;
4136 }
4137
4138 /*
4139 * qla2x00_reset_adapter
4140 *      Reset adapter.
4141 *
4142 * Input:
4143 *      ha = adapter block pointer.
4144 */
4145 void
4146 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4147 {
4148         unsigned long flags = 0;
4149         struct qla_hw_data *ha = vha->hw;
4150         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4151
4152         vha->flags.online = 0;
4153         ha->isp_ops->disable_intrs(ha);
4154
4155         spin_lock_irqsave(&ha->hardware_lock, flags);
4156         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4157         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4158         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4159         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4160         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4161 }
4162
4163 void
4164 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4165 {
4166         unsigned long flags = 0;
4167         struct qla_hw_data *ha = vha->hw;
4168         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4169
4170         if (IS_QLA82XX(ha))
4171                 return;
4172
4173         vha->flags.online = 0;
4174         ha->isp_ops->disable_intrs(ha);
4175
4176         spin_lock_irqsave(&ha->hardware_lock, flags);
4177         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4178         RD_REG_DWORD(&reg->hccr);
4179         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4180         RD_REG_DWORD(&reg->hccr);
4181         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4182
4183         if (IS_NOPOLLING_TYPE(ha))
4184                 ha->isp_ops->enable_intrs(ha);
4185 }
4186
4187 /* On sparc systems, obtain port and node WWN from firmware
4188  * properties.
4189  */
4190 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4191         struct nvram_24xx *nv)
4192 {
4193 #ifdef CONFIG_SPARC
4194         struct qla_hw_data *ha = vha->hw;
4195         struct pci_dev *pdev = ha->pdev;
4196         struct device_node *dp = pci_device_to_OF_node(pdev);
4197         const u8 *val;
4198         int len;
4199
4200         val = of_get_property(dp, "port-wwn", &len);
4201         if (val && len >= WWN_SIZE)
4202                 memcpy(nv->port_name, val, WWN_SIZE);
4203
4204         val = of_get_property(dp, "node-wwn", &len);
4205         if (val && len >= WWN_SIZE)
4206                 memcpy(nv->node_name, val, WWN_SIZE);
4207 #endif
4208 }
4209
4210 int
4211 qla24xx_nvram_config(scsi_qla_host_t *vha)
4212 {
4213         int   rval;
4214         struct init_cb_24xx *icb;
4215         struct nvram_24xx *nv;
4216         uint32_t *dptr;
4217         uint8_t  *dptr1, *dptr2;
4218         uint32_t chksum;
4219         uint16_t cnt;
4220         struct qla_hw_data *ha = vha->hw;
4221
4222         rval = QLA_SUCCESS;
4223         icb = (struct init_cb_24xx *)ha->init_cb;
4224         nv = ha->nvram;
4225
4226         /* Determine NVRAM starting address. */
4227         if (ha->flags.port0) {
4228                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4229                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4230         } else {
4231                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4232                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4233         }
4234         ha->nvram_size = sizeof(struct nvram_24xx);
4235         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4236         if (IS_QLA82XX(ha))
4237                 ha->vpd_size = FA_VPD_SIZE_82XX;
4238
4239         /* Get VPD data into cache */
4240         ha->vpd = ha->nvram + VPD_OFFSET;
4241         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4242             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4243
4244         /* Get NVRAM data into cache and calculate checksum. */
4245         dptr = (uint32_t *)nv;
4246         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4247             ha->nvram_size);
4248         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4249                 chksum += le32_to_cpu(*dptr++);
4250
4251         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
4252         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4253
4254         /* Bad NVRAM data, set defaults parameters. */
4255         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4256             || nv->id[3] != ' ' ||
4257             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4258                 /* Reset NVRAM data. */
4259                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4260                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4261                     le16_to_cpu(nv->nvram_version));
4262                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4263                     "invalid -- WWPN) defaults.\n");
4264
4265                 /*
4266                  * Set default initialization control block.
4267                  */
4268                 memset(nv, 0, ha->nvram_size);
4269                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4270                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4271                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4272                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4273                 nv->exchange_count = __constant_cpu_to_le16(0);
4274                 nv->hard_address = __constant_cpu_to_le16(124);
4275                 nv->port_name[0] = 0x21;
4276                 nv->port_name[1] = 0x00 + ha->port_no;
4277                 nv->port_name[2] = 0x00;
4278                 nv->port_name[3] = 0xe0;
4279                 nv->port_name[4] = 0x8b;
4280                 nv->port_name[5] = 0x1c;
4281                 nv->port_name[6] = 0x55;
4282                 nv->port_name[7] = 0x86;
4283                 nv->node_name[0] = 0x20;
4284                 nv->node_name[1] = 0x00;
4285                 nv->node_name[2] = 0x00;
4286                 nv->node_name[3] = 0xe0;
4287                 nv->node_name[4] = 0x8b;
4288                 nv->node_name[5] = 0x1c;
4289                 nv->node_name[6] = 0x55;
4290                 nv->node_name[7] = 0x86;
4291                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4292                 nv->login_retry_count = __constant_cpu_to_le16(8);
4293                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4294                 nv->login_timeout = __constant_cpu_to_le16(0);
4295                 nv->firmware_options_1 =
4296                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4297                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4298                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4299                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4300                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4301                 nv->efi_parameters = __constant_cpu_to_le32(0);
4302                 nv->reset_delay = 5;
4303                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4304                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4305                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4306
4307                 rval = 1;
4308         }
4309
4310         /* Reset Initialization control block */
4311         memset(icb, 0, ha->init_cb_size);
4312
4313         /* Copy 1st segment. */
4314         dptr1 = (uint8_t *)icb;
4315         dptr2 = (uint8_t *)&nv->version;
4316         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4317         while (cnt--)
4318                 *dptr1++ = *dptr2++;
4319
4320         icb->login_retry_count = nv->login_retry_count;
4321         icb->link_down_on_nos = nv->link_down_on_nos;
4322
4323         /* Copy 2nd segment. */
4324         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4325         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4326         cnt = (uint8_t *)&icb->reserved_3 -
4327             (uint8_t *)&icb->interrupt_delay_timer;
4328         while (cnt--)
4329                 *dptr1++ = *dptr2++;
4330
4331         /*
4332          * Setup driver NVRAM options.
4333          */
4334         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4335             "QLA2462");
4336
4337         /* Use alternate WWN? */
4338         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4339                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4340                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4341         }
4342
4343         /* Prepare nodename */
4344         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4345                 /*
4346                  * Firmware will apply the following mask if the nodename was
4347                  * not provided.
4348                  */
4349                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4350                 icb->node_name[0] &= 0xF0;
4351         }
4352
4353         /* Set host adapter parameters. */
4354         ha->flags.disable_risc_code_load = 0;
4355         ha->flags.enable_lip_reset = 0;
4356         ha->flags.enable_lip_full_login =
4357             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4358         ha->flags.enable_target_reset =
4359             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4360         ha->flags.enable_led_scheme = 0;
4361         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4362
4363         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4364             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4365
4366         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4367             sizeof(ha->fw_seriallink_options24));
4368
4369         /* save HBA serial number */
4370         ha->serial0 = icb->port_name[5];
4371         ha->serial1 = icb->port_name[6];
4372         ha->serial2 = icb->port_name[7];
4373         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4374         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4375
4376         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4377
4378         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4379
4380         /* Set minimum login_timeout to 4 seconds. */
4381         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4382                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4383         if (le16_to_cpu(nv->login_timeout) < 4)
4384                 nv->login_timeout = __constant_cpu_to_le16(4);
4385         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4386         icb->login_timeout = nv->login_timeout;
4387
4388         /* Set minimum RATOV to 100 tenths of a second. */
4389         ha->r_a_tov = 100;
4390
4391         ha->loop_reset_delay = nv->reset_delay;
4392
4393         /* Link Down Timeout = 0:
4394          *
4395          *      When Port Down timer expires we will start returning
4396          *      I/O's to OS with "DID_NO_CONNECT".
4397          *
4398          * Link Down Timeout != 0:
4399          *
4400          *       The driver waits for the link to come up after link down
4401          *       before returning I/Os to OS with "DID_NO_CONNECT".
4402          */
4403         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4404                 ha->loop_down_abort_time =
4405                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4406         } else {
4407                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4408                 ha->loop_down_abort_time =
4409                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4410         }
4411
4412         /* Need enough time to try and get the port back. */
4413         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4414         if (qlport_down_retry)
4415                 ha->port_down_retry_count = qlport_down_retry;
4416
4417         /* Set login_retry_count */
4418         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4419         if (ha->port_down_retry_count ==
4420             le16_to_cpu(nv->port_down_retry_count) &&
4421             ha->port_down_retry_count > 3)
4422                 ha->login_retry_count = ha->port_down_retry_count;
4423         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4424                 ha->login_retry_count = ha->port_down_retry_count;
4425         if (ql2xloginretrycount)
4426                 ha->login_retry_count = ql2xloginretrycount;
4427
4428         /* Enable ZIO. */
4429         if (!vha->flags.init_done) {
4430                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4431                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4432                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4433                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4434         }
4435         icb->firmware_options_2 &= __constant_cpu_to_le32(
4436             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4437         vha->flags.process_response_queue = 0;
4438         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4439                 ha->zio_mode = QLA_ZIO_MODE_6;
4440
4441                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4442                     "(%d us).\n", vha->host_no, ha->zio_mode,
4443                     ha->zio_timer * 100));
4444                 qla_printk(KERN_INFO, ha,
4445                     "ZIO mode %d enabled; timer delay (%d us).\n",
4446                     ha->zio_mode, ha->zio_timer * 100);
4447
4448                 icb->firmware_options_2 |= cpu_to_le32(
4449                     (uint32_t)ha->zio_mode);
4450                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4451                 vha->flags.process_response_queue = 1;
4452         }
4453
4454         if (rval) {
4455                 DEBUG2_3(printk(KERN_WARNING
4456                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4457         }
4458         return (rval);
4459 }
4460
4461 static int
4462 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4463     uint32_t faddr)
4464 {
4465         int     rval = QLA_SUCCESS;
4466         int     segments, fragment;
4467         uint32_t *dcode, dlen;
4468         uint32_t risc_addr;
4469         uint32_t risc_size;
4470         uint32_t i;
4471         struct qla_hw_data *ha = vha->hw;
4472         struct req_que *req = ha->req_q_map[0];
4473
4474         qla_printk(KERN_INFO, ha,
4475             "FW: Loading from flash (%x)...\n", faddr);
4476
4477         rval = QLA_SUCCESS;
4478
4479         segments = FA_RISC_CODE_SEGMENTS;
4480         dcode = (uint32_t *)req->ring;
4481         *srisc_addr = 0;
4482
4483         /* Validate firmware image by checking version. */
4484         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4485         for (i = 0; i < 4; i++)
4486                 dcode[i] = be32_to_cpu(dcode[i]);
4487         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4488             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4489             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4490                 dcode[3] == 0)) {
4491                 qla_printk(KERN_WARNING, ha,
4492                     "Unable to verify integrity of flash firmware image!\n");
4493                 qla_printk(KERN_WARNING, ha,
4494                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4495                     dcode[1], dcode[2], dcode[3]);
4496
4497                 return QLA_FUNCTION_FAILED;
4498         }
4499
4500         while (segments && rval == QLA_SUCCESS) {
4501                 /* Read segment's load information. */
4502                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4503
4504                 risc_addr = be32_to_cpu(dcode[2]);
4505                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4506                 risc_size = be32_to_cpu(dcode[3]);
4507
4508                 fragment = 0;
4509                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4510                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4511                         if (dlen > risc_size)
4512                                 dlen = risc_size;
4513
4514                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4515                             "addr %x, number of dwords 0x%x, offset 0x%x.\n",
4516                             vha->host_no, risc_addr, dlen, faddr));
4517
4518                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4519                         for (i = 0; i < dlen; i++)
4520                                 dcode[i] = swab32(dcode[i]);
4521
4522                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4523                             dlen);
4524                         if (rval) {
4525                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4526                                     "segment %d of firmware\n", vha->host_no,
4527                                     fragment));
4528                                 qla_printk(KERN_WARNING, ha,
4529                                     "[ERROR] Failed to load segment %d of "
4530                                     "firmware\n", fragment);
4531                                 break;
4532                         }
4533
4534                         faddr += dlen;
4535                         risc_addr += dlen;
4536                         risc_size -= dlen;
4537                         fragment++;
4538                 }
4539
4540                 /* Next segment. */
4541                 segments--;
4542         }
4543
4544         return rval;
4545 }
4546
4547 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4548
4549 int
4550 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4551 {
4552         int     rval;
4553         int     i, fragment;
4554         uint16_t *wcode, *fwcode;
4555         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4556         struct fw_blob *blob;
4557         struct qla_hw_data *ha = vha->hw;
4558         struct req_que *req = ha->req_q_map[0];
4559
4560         /* Load firmware blob. */
4561         blob = qla2x00_request_firmware(vha);
4562         if (!blob) {
4563                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4564                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4565                     "from: " QLA_FW_URL ".\n");
4566                 return QLA_FUNCTION_FAILED;
4567         }
4568
4569         rval = QLA_SUCCESS;
4570
4571         wcode = (uint16_t *)req->ring;
4572         *srisc_addr = 0;
4573         fwcode = (uint16_t *)blob->fw->data;
4574         fwclen = 0;
4575
4576         /* Validate firmware image by checking version. */
4577         if (blob->fw->size < 8 * sizeof(uint16_t)) {
4578                 qla_printk(KERN_WARNING, ha,
4579                     "Unable to verify integrity of firmware image (%Zd)!\n",
4580                     blob->fw->size);
4581                 goto fail_fw_integrity;
4582         }
4583         for (i = 0; i < 4; i++)
4584                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4585         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4586             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4587                 wcode[2] == 0 && wcode[3] == 0)) {
4588                 qla_printk(KERN_WARNING, ha,
4589                     "Unable to verify integrity of firmware image!\n");
4590                 qla_printk(KERN_WARNING, ha,
4591                     "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4592                     wcode[1], wcode[2], wcode[3]);
4593                 goto fail_fw_integrity;
4594         }
4595
4596         seg = blob->segs;
4597         while (*seg && rval == QLA_SUCCESS) {
4598                 risc_addr = *seg;
4599                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4600                 risc_size = be16_to_cpu(fwcode[3]);
4601
4602                 /* Validate firmware image size. */
4603                 fwclen += risc_size * sizeof(uint16_t);
4604                 if (blob->fw->size < fwclen) {
4605                         qla_printk(KERN_WARNING, ha,
4606                             "Unable to verify integrity of firmware image "
4607                             "(%Zd)!\n", blob->fw->size);
4608                         goto fail_fw_integrity;
4609                 }
4610
4611                 fragment = 0;
4612                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4613                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4614                         if (wlen > risc_size)
4615                                 wlen = risc_size;
4616
4617                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4618                             "addr %x, number of words 0x%x.\n", vha->host_no,
4619                             risc_addr, wlen));
4620
4621                         for (i = 0; i < wlen; i++)
4622                                 wcode[i] = swab16(fwcode[i]);
4623
4624                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4625                             wlen);
4626                         if (rval) {
4627                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4628                                     "segment %d of firmware\n", vha->host_no,
4629                                     fragment));
4630                                 qla_printk(KERN_WARNING, ha,
4631                                     "[ERROR] Failed to load segment %d of "
4632                                     "firmware\n", fragment);
4633                                 break;
4634                         }
4635
4636                         fwcode += wlen;
4637                         risc_addr += wlen;
4638                         risc_size -= wlen;
4639                         fragment++;
4640                 }
4641
4642                 /* Next segment. */
4643                 seg++;
4644         }
4645         return rval;
4646
4647 fail_fw_integrity:
4648         return QLA_FUNCTION_FAILED;
4649 }
4650
4651 static int
4652 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4653 {
4654         int     rval;
4655         int     segments, fragment;
4656         uint32_t *dcode, dlen;
4657         uint32_t risc_addr;
4658         uint32_t risc_size;
4659         uint32_t i;
4660         struct fw_blob *blob;
4661         uint32_t *fwcode, fwclen;
4662         struct qla_hw_data *ha = vha->hw;
4663         struct req_que *req = ha->req_q_map[0];
4664
4665         /* Load firmware blob. */
4666         blob = qla2x00_request_firmware(vha);
4667         if (!blob) {
4668                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4669                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4670                     "from: " QLA_FW_URL ".\n");
4671
4672                 return QLA_FUNCTION_FAILED;
4673         }
4674
4675         qla_printk(KERN_INFO, ha,
4676             "FW: Loading via request-firmware...\n");
4677
4678         rval = QLA_SUCCESS;
4679
4680         segments = FA_RISC_CODE_SEGMENTS;
4681         dcode = (uint32_t *)req->ring;
4682         *srisc_addr = 0;
4683         fwcode = (uint32_t *)blob->fw->data;
4684         fwclen = 0;
4685
4686         /* Validate firmware image by checking version. */
4687         if (blob->fw->size < 8 * sizeof(uint32_t)) {
4688                 qla_printk(KERN_WARNING, ha,
4689                     "Unable to verify integrity of firmware image (%Zd)!\n",
4690                     blob->fw->size);
4691                 goto fail_fw_integrity;
4692         }
4693         for (i = 0; i < 4; i++)
4694                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4695         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4696             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4697             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4698                 dcode[3] == 0)) {
4699                 qla_printk(KERN_WARNING, ha,
4700                     "Unable to verify integrity of firmware image!\n");
4701                 qla_printk(KERN_WARNING, ha,
4702                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4703                     dcode[1], dcode[2], dcode[3]);
4704                 goto fail_fw_integrity;
4705         }
4706
4707         while (segments && rval == QLA_SUCCESS) {
4708                 risc_addr = be32_to_cpu(fwcode[2]);
4709                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4710                 risc_size = be32_to_cpu(fwcode[3]);
4711
4712                 /* Validate firmware image size. */
4713                 fwclen += risc_size * sizeof(uint32_t);
4714                 if (blob->fw->size < fwclen) {
4715                         qla_printk(KERN_WARNING, ha,
4716                             "Unable to verify integrity of firmware image "
4717                             "(%Zd)!\n", blob->fw->size);
4718
4719                         goto fail_fw_integrity;
4720                 }
4721
4722                 fragment = 0;
4723                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4724                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4725                         if (dlen > risc_size)
4726                                 dlen = risc_size;
4727
4728                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4729                             "addr %x, number of dwords 0x%x.\n", vha->host_no,
4730                             risc_addr, dlen));
4731
4732                         for (i = 0; i < dlen; i++)
4733                                 dcode[i] = swab32(fwcode[i]);
4734
4735                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4736                             dlen);
4737                         if (rval) {
4738                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4739                                     "segment %d of firmware\n", vha->host_no,
4740                                     fragment));
4741                                 qla_printk(KERN_WARNING, ha,
4742                                     "[ERROR] Failed to load segment %d of "
4743                                     "firmware\n", fragment);
4744                                 break;
4745                         }
4746
4747                         fwcode += dlen;
4748                         risc_addr += dlen;
4749                         risc_size -= dlen;
4750                         fragment++;
4751                 }
4752
4753                 /* Next segment. */
4754                 segments--;
4755         }
4756         return rval;
4757
4758 fail_fw_integrity:
4759         return QLA_FUNCTION_FAILED;
4760 }
4761
4762 int
4763 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4764 {
4765         int rval;
4766
4767         if (ql2xfwloadbin == 1)
4768                 return qla81xx_load_risc(vha, srisc_addr);
4769
4770         /*
4771          * FW Load priority:
4772          * 1) Firmware via request-firmware interface (.bin file).
4773          * 2) Firmware residing in flash.
4774          */
4775         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4776         if (rval == QLA_SUCCESS)
4777                 return rval;
4778
4779         return qla24xx_load_risc_flash(vha, srisc_addr,
4780             vha->hw->flt_region_fw);
4781 }
4782
4783 int
4784 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4785 {
4786         int rval;
4787         struct qla_hw_data *ha = vha->hw;
4788
4789         if (ql2xfwloadbin == 2)
4790                 goto try_blob_fw;
4791
4792         /*
4793          * FW Load priority:
4794          * 1) Firmware residing in flash.
4795          * 2) Firmware via request-firmware interface (.bin file).
4796          * 3) Golden-Firmware residing in flash -- limited operation.
4797          */
4798         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4799         if (rval == QLA_SUCCESS)
4800                 return rval;
4801
4802 try_blob_fw:
4803         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4804         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4805                 return rval;
4806
4807         qla_printk(KERN_ERR, ha,
4808             "FW: Attempting to fallback to golden firmware...\n");
4809         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4810         if (rval != QLA_SUCCESS)
4811                 return rval;
4812
4813         qla_printk(KERN_ERR, ha,
4814             "FW: Please update operational firmware...\n");
4815         ha->flags.running_gold_fw = 1;
4816
4817         return rval;
4818 }
4819
4820 void
4821 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4822 {
4823         int ret, retries;
4824         struct qla_hw_data *ha = vha->hw;
4825
4826         if (ha->flags.pci_channel_io_perm_failure)
4827                 return;
4828         if (!IS_FWI2_CAPABLE(ha))
4829                 return;
4830         if (!ha->fw_major_version)
4831                 return;
4832
4833         ret = qla2x00_stop_firmware(vha);
4834         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4835             ret != QLA_INVALID_COMMAND && retries ; retries--) {
4836                 ha->isp_ops->reset_chip(vha);
4837                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4838                         continue;
4839                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4840                         continue;
4841                 qla_printk(KERN_INFO, ha,
4842                     "Attempting retry of stop-firmware command...\n");
4843                 ret = qla2x00_stop_firmware(vha);
4844         }
4845 }
4846
4847 int
4848 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4849 {
4850         int rval = QLA_SUCCESS;
4851         uint16_t mb[MAILBOX_REGISTER_COUNT];
4852         struct qla_hw_data *ha = vha->hw;
4853         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4854         struct req_que *req;
4855         struct rsp_que *rsp;
4856
4857         if (!vha->vp_idx)
4858                 return -EINVAL;
4859
4860         rval = qla2x00_fw_ready(base_vha);
4861         if (ha->flags.cpu_affinity_enabled)
4862                 req = ha->req_q_map[0];
4863         else
4864                 req = vha->req;
4865         rsp = req->rsp;
4866
4867         if (rval == QLA_SUCCESS) {
4868                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4869                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4870         }
4871
4872         vha->flags.management_server_logged_in = 0;
4873
4874         /* Login to SNS first */
4875         ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
4876         if (mb[0] != MBS_COMMAND_COMPLETE) {
4877                 DEBUG15(qla_printk(KERN_INFO, ha,
4878                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4879                     "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4880                     mb[0], mb[1], mb[2], mb[6], mb[7]));
4881                 return (QLA_FUNCTION_FAILED);
4882         }
4883
4884         atomic_set(&vha->loop_down_timer, 0);
4885         atomic_set(&vha->loop_state, LOOP_UP);
4886         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4887         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4888         rval = qla2x00_loop_resync(base_vha);
4889
4890         return rval;
4891 }
4892
4893 /* 84XX Support **************************************************************/
4894
4895 static LIST_HEAD(qla_cs84xx_list);
4896 static DEFINE_MUTEX(qla_cs84xx_mutex);
4897
4898 static struct qla_chip_state_84xx *
4899 qla84xx_get_chip(struct scsi_qla_host *vha)
4900 {
4901         struct qla_chip_state_84xx *cs84xx;
4902         struct qla_hw_data *ha = vha->hw;
4903
4904         mutex_lock(&qla_cs84xx_mutex);
4905
4906         /* Find any shared 84xx chip. */
4907         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4908                 if (cs84xx->bus == ha->pdev->bus) {
4909                         kref_get(&cs84xx->kref);
4910                         goto done;
4911                 }
4912         }
4913
4914         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4915         if (!cs84xx)
4916                 goto done;
4917
4918         kref_init(&cs84xx->kref);
4919         spin_lock_init(&cs84xx->access_lock);
4920         mutex_init(&cs84xx->fw_update_mutex);
4921         cs84xx->bus = ha->pdev->bus;
4922
4923         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4924 done:
4925         mutex_unlock(&qla_cs84xx_mutex);
4926         return cs84xx;
4927 }
4928
4929 static void
4930 __qla84xx_chip_release(struct kref *kref)
4931 {
4932         struct qla_chip_state_84xx *cs84xx =
4933             container_of(kref, struct qla_chip_state_84xx, kref);
4934
4935         mutex_lock(&qla_cs84xx_mutex);
4936         list_del(&cs84xx->list);
4937         mutex_unlock(&qla_cs84xx_mutex);
4938         kfree(cs84xx);
4939 }
4940
4941 void
4942 qla84xx_put_chip(struct scsi_qla_host *vha)
4943 {
4944         struct qla_hw_data *ha = vha->hw;
4945         if (ha->cs84xx)
4946                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4947 }
4948
4949 static int
4950 qla84xx_init_chip(scsi_qla_host_t *vha)
4951 {
4952         int rval;
4953         uint16_t status[2];
4954         struct qla_hw_data *ha = vha->hw;
4955
4956         mutex_lock(&ha->cs84xx->fw_update_mutex);
4957
4958         rval = qla84xx_verify_chip(vha, status);
4959
4960         mutex_unlock(&ha->cs84xx->fw_update_mutex);
4961
4962         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4963             QLA_SUCCESS;
4964 }
4965
4966 /* 81XX Support **************************************************************/
4967
4968 int
4969 qla81xx_nvram_config(scsi_qla_host_t *vha)
4970 {
4971         int   rval;
4972         struct init_cb_81xx *icb;
4973         struct nvram_81xx *nv;
4974         uint32_t *dptr;
4975         uint8_t  *dptr1, *dptr2;
4976         uint32_t chksum;
4977         uint16_t cnt;
4978         struct qla_hw_data *ha = vha->hw;
4979
4980         rval = QLA_SUCCESS;
4981         icb = (struct init_cb_81xx *)ha->init_cb;
4982         nv = ha->nvram;
4983
4984         /* Determine NVRAM starting address. */
4985         ha->nvram_size = sizeof(struct nvram_81xx);
4986         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4987
4988         /* Get VPD data into cache */
4989         ha->vpd = ha->nvram + VPD_OFFSET;
4990         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
4991             ha->vpd_size);
4992
4993         /* Get NVRAM data into cache and calculate checksum. */
4994         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
4995             ha->nvram_size);
4996         dptr = (uint32_t *)nv;
4997         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4998                 chksum += le32_to_cpu(*dptr++);
4999
5000         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
5001         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
5002
5003         /* Bad NVRAM data, set defaults parameters. */
5004         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5005             || nv->id[3] != ' ' ||
5006             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5007                 /* Reset NVRAM data. */
5008                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
5009                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
5010                     le16_to_cpu(nv->nvram_version));
5011                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
5012                     "invalid -- WWPN) defaults.\n");
5013
5014                 /*
5015                  * Set default initialization control block.
5016                  */
5017                 memset(nv, 0, ha->nvram_size);
5018                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5019                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5020                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5021                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5022                 nv->exchange_count = __constant_cpu_to_le16(0);
5023                 nv->port_name[0] = 0x21;
5024                 nv->port_name[1] = 0x00 + ha->port_no;
5025                 nv->port_name[2] = 0x00;
5026                 nv->port_name[3] = 0xe0;
5027                 nv->port_name[4] = 0x8b;
5028                 nv->port_name[5] = 0x1c;
5029                 nv->port_name[6] = 0x55;
5030                 nv->port_name[7] = 0x86;
5031                 nv->node_name[0] = 0x20;
5032                 nv->node_name[1] = 0x00;
5033                 nv->node_name[2] = 0x00;
5034                 nv->node_name[3] = 0xe0;
5035                 nv->node_name[4] = 0x8b;
5036                 nv->node_name[5] = 0x1c;
5037                 nv->node_name[6] = 0x55;
5038                 nv->node_name[7] = 0x86;
5039                 nv->login_retry_count = __constant_cpu_to_le16(8);
5040                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5041                 nv->login_timeout = __constant_cpu_to_le16(0);
5042                 nv->firmware_options_1 =
5043                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5044                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5045                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5046                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5047                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5048                 nv->efi_parameters = __constant_cpu_to_le32(0);
5049                 nv->reset_delay = 5;
5050                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5051                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5052                 nv->link_down_timeout = __constant_cpu_to_le16(30);
5053                 nv->enode_mac[0] = 0x00;
5054                 nv->enode_mac[1] = 0x02;
5055                 nv->enode_mac[2] = 0x03;
5056                 nv->enode_mac[3] = 0x04;
5057                 nv->enode_mac[4] = 0x05;
5058                 nv->enode_mac[5] = 0x06 + ha->port_no;
5059
5060                 rval = 1;
5061         }
5062
5063         /* Reset Initialization control block */
5064         memset(icb, 0, sizeof(struct init_cb_81xx));
5065
5066         /* Copy 1st segment. */
5067         dptr1 = (uint8_t *)icb;
5068         dptr2 = (uint8_t *)&nv->version;
5069         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5070         while (cnt--)
5071                 *dptr1++ = *dptr2++;
5072
5073         icb->login_retry_count = nv->login_retry_count;
5074
5075         /* Copy 2nd segment. */
5076         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5077         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5078         cnt = (uint8_t *)&icb->reserved_5 -
5079             (uint8_t *)&icb->interrupt_delay_timer;
5080         while (cnt--)
5081                 *dptr1++ = *dptr2++;
5082
5083         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5084         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5085         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5086                 icb->enode_mac[0] = 0x01;
5087                 icb->enode_mac[1] = 0x02;
5088                 icb->enode_mac[2] = 0x03;
5089                 icb->enode_mac[3] = 0x04;
5090                 icb->enode_mac[4] = 0x05;
5091                 icb->enode_mac[5] = 0x06 + ha->port_no;
5092         }
5093
5094         /* Use extended-initialization control block. */
5095         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5096
5097         /*
5098          * Setup driver NVRAM options.
5099          */
5100         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5101             "QLE8XXX");
5102
5103         /* Use alternate WWN? */
5104         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5105                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5106                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5107         }
5108
5109         /* Prepare nodename */
5110         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5111                 /*
5112                  * Firmware will apply the following mask if the nodename was
5113                  * not provided.
5114                  */
5115                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5116                 icb->node_name[0] &= 0xF0;
5117         }
5118
5119         /* Set host adapter parameters. */
5120         ha->flags.disable_risc_code_load = 0;
5121         ha->flags.enable_lip_reset = 0;
5122         ha->flags.enable_lip_full_login =
5123             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5124         ha->flags.enable_target_reset =
5125             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5126         ha->flags.enable_led_scheme = 0;
5127         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5128
5129         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5130             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5131
5132         /* save HBA serial number */
5133         ha->serial0 = icb->port_name[5];
5134         ha->serial1 = icb->port_name[6];
5135         ha->serial2 = icb->port_name[7];
5136         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5137         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5138
5139         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5140
5141         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5142
5143         /* Set minimum login_timeout to 4 seconds. */
5144         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5145                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5146         if (le16_to_cpu(nv->login_timeout) < 4)
5147                 nv->login_timeout = __constant_cpu_to_le16(4);
5148         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5149         icb->login_timeout = nv->login_timeout;
5150
5151         /* Set minimum RATOV to 100 tenths of a second. */
5152         ha->r_a_tov = 100;
5153
5154         ha->loop_reset_delay = nv->reset_delay;
5155
5156         /* Link Down Timeout = 0:
5157          *
5158          *      When Port Down timer expires we will start returning
5159          *      I/O's to OS with "DID_NO_CONNECT".
5160          *
5161          * Link Down Timeout != 0:
5162          *
5163          *       The driver waits for the link to come up after link down
5164          *       before returning I/Os to OS with "DID_NO_CONNECT".
5165          */
5166         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5167                 ha->loop_down_abort_time =
5168                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5169         } else {
5170                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5171                 ha->loop_down_abort_time =
5172                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5173         }
5174
5175         /* Need enough time to try and get the port back. */
5176         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5177         if (qlport_down_retry)
5178                 ha->port_down_retry_count = qlport_down_retry;
5179
5180         /* Set login_retry_count */
5181         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5182         if (ha->port_down_retry_count ==
5183             le16_to_cpu(nv->port_down_retry_count) &&
5184             ha->port_down_retry_count > 3)
5185                 ha->login_retry_count = ha->port_down_retry_count;
5186         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5187                 ha->login_retry_count = ha->port_down_retry_count;
5188         if (ql2xloginretrycount)
5189                 ha->login_retry_count = ql2xloginretrycount;
5190
5191         /* Enable ZIO. */
5192         if (!vha->flags.init_done) {
5193                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5194                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5195                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5196                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5197         }
5198         icb->firmware_options_2 &= __constant_cpu_to_le32(
5199             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5200         vha->flags.process_response_queue = 0;
5201         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5202                 ha->zio_mode = QLA_ZIO_MODE_6;
5203
5204                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
5205                     "(%d us).\n", vha->host_no, ha->zio_mode,
5206                     ha->zio_timer * 100));
5207                 qla_printk(KERN_INFO, ha,
5208                     "ZIO mode %d enabled; timer delay (%d us).\n",
5209                     ha->zio_mode, ha->zio_timer * 100);
5210
5211                 icb->firmware_options_2 |= cpu_to_le32(
5212                     (uint32_t)ha->zio_mode);
5213                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5214                 vha->flags.process_response_queue = 1;
5215         }
5216
5217         if (rval) {
5218                 DEBUG2_3(printk(KERN_WARNING
5219                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
5220         }
5221         return (rval);
5222 }
5223
5224 int
5225 qla82xx_restart_isp(scsi_qla_host_t *vha)
5226 {
5227         int status, rval;
5228         uint32_t wait_time;
5229         struct qla_hw_data *ha = vha->hw;
5230         struct req_que *req = ha->req_q_map[0];
5231         struct rsp_que *rsp = ha->rsp_q_map[0];
5232         struct scsi_qla_host *vp;
5233         struct scsi_qla_host *tvp;
5234
5235         status = qla2x00_init_rings(vha);
5236         if (!status) {
5237                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5238                 ha->flags.chip_reset_done = 1;
5239
5240                 status = qla2x00_fw_ready(vha);
5241                 if (!status) {
5242                         qla_printk(KERN_INFO, ha,
5243                         "%s(): Start configure loop, "
5244                         "status = %d\n", __func__, status);
5245
5246                         /* Issue a marker after FW becomes ready. */
5247                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5248
5249                         vha->flags.online = 1;
5250                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5251                         wait_time = 256;
5252                         do {
5253                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5254                                 qla2x00_configure_loop(vha);
5255                                 wait_time--;
5256                         } while (!atomic_read(&vha->loop_down_timer) &&
5257                             !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5258                             wait_time &&
5259                             (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5260                 }
5261
5262                 /* if no cable then assume it's good */
5263                 if ((vha->device_flags & DFLG_NO_CABLE))
5264                         status = 0;
5265
5266                 qla_printk(KERN_INFO, ha,
5267                         "%s(): Configure loop done, status = 0x%x\n",
5268                         __func__, status);
5269         }
5270
5271         if (!status) {
5272                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5273
5274                 if (!atomic_read(&vha->loop_down_timer)) {
5275                         /*
5276                          * Issue marker command only when we are going
5277                          * to start the I/O .
5278                          */
5279                         vha->marker_needed = 1;
5280                 }
5281
5282                 vha->flags.online = 1;
5283
5284                 ha->isp_ops->enable_intrs(ha);
5285
5286                 ha->isp_abort_cnt = 0;
5287                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5288
5289                 if (ha->fce) {
5290                         ha->flags.fce_enabled = 1;
5291                         memset(ha->fce, 0,
5292                             fce_calc_size(ha->fce_bufs));
5293                         rval = qla2x00_enable_fce_trace(vha,
5294                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5295                             &ha->fce_bufs);
5296                         if (rval) {
5297                                 qla_printk(KERN_WARNING, ha,
5298                                     "Unable to reinitialize FCE "
5299                                     "(%d).\n", rval);
5300                                 ha->flags.fce_enabled = 0;
5301                         }
5302                 }
5303
5304                 if (ha->eft) {
5305                         memset(ha->eft, 0, EFT_SIZE);
5306                         rval = qla2x00_enable_eft_trace(vha,
5307                             ha->eft_dma, EFT_NUM_BUFFERS);
5308                         if (rval) {
5309                                 qla_printk(KERN_WARNING, ha,
5310                                     "Unable to reinitialize EFT "
5311                                     "(%d).\n", rval);
5312                         }
5313                 }
5314         }
5315
5316         if (!status) {
5317                 DEBUG(printk(KERN_INFO
5318                         "qla82xx_restart_isp(%ld): succeeded.\n",
5319                         vha->host_no));
5320                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
5321                         if (vp->vp_idx)
5322                                 qla2x00_vp_abort_isp(vp);
5323                 }
5324         } else {
5325                 qla_printk(KERN_INFO, ha,
5326                         "qla82xx_restart_isp: **** FAILED ****\n");
5327         }
5328
5329         return status;
5330 }
5331
5332 void
5333 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5334 {
5335         struct qla_hw_data *ha = vha->hw;
5336
5337         if (!ql2xetsenable)
5338                 return;
5339
5340         /* Enable ETS Burst. */
5341         memset(ha->fw_options, 0, sizeof(ha->fw_options));
5342         ha->fw_options[2] |= BIT_9;
5343         qla2x00_set_fw_options(vha, ha->fw_options);
5344 }
5345
5346 /*
5347  * qla24xx_get_fcp_prio
5348  *      Gets the fcp cmd priority value for the logged in port.
5349  *      Looks for a match of the port descriptors within
5350  *      each of the fcp prio config entries. If a match is found,
5351  *      the tag (priority) value is returned.
5352  *
5353  * Input:
5354  *      ha = adapter block po
5355  *      fcport = port structure pointer.
5356  *
5357  * Return:
5358  *      non-zero (if found)
5359  *      0 (if not found)
5360  *
5361  * Context:
5362  *      Kernel context
5363  */
5364 uint8_t
5365 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5366 {
5367         int i, entries;
5368         uint8_t pid_match, wwn_match;
5369         uint8_t priority;
5370         uint32_t pid1, pid2;
5371         uint64_t wwn1, wwn2;
5372         struct qla_fcp_prio_entry *pri_entry;
5373         struct qla_hw_data *ha = vha->hw;
5374
5375         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5376                 return 0;
5377
5378         priority = 0;
5379         entries = ha->fcp_prio_cfg->num_entries;
5380         pri_entry = &ha->fcp_prio_cfg->entry[0];
5381
5382         for (i = 0; i < entries; i++) {
5383                 pid_match = wwn_match = 0;
5384
5385                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5386                         pri_entry++;
5387                         continue;
5388                 }
5389
5390                 /* check source pid for a match */
5391                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5392                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5393                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5394                         if (pid1 == INVALID_PORT_ID)
5395                                 pid_match++;
5396                         else if (pid1 == pid2)
5397                                 pid_match++;
5398                 }
5399
5400                 /* check destination pid for a match */
5401                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5402                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5403                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5404                         if (pid1 == INVALID_PORT_ID)
5405                                 pid_match++;
5406                         else if (pid1 == pid2)
5407                                 pid_match++;
5408                 }
5409
5410                 /* check source WWN for a match */
5411                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5412                         wwn1 = wwn_to_u64(vha->port_name);
5413                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5414                         if (wwn2 == (uint64_t)-1)
5415                                 wwn_match++;
5416                         else if (wwn1 == wwn2)
5417                                 wwn_match++;
5418                 }
5419
5420                 /* check destination WWN for a match */
5421                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5422                         wwn1 = wwn_to_u64(fcport->port_name);
5423                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5424                         if (wwn2 == (uint64_t)-1)
5425                                 wwn_match++;
5426                         else if (wwn1 == wwn2)
5427                                 wwn_match++;
5428                 }
5429
5430                 if (pid_match == 2 || wwn_match == 2) {
5431                         /* Found a matching entry */
5432                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5433                                 priority = pri_entry->tag;
5434                         break;
5435                 }
5436
5437                 pri_entry++;
5438         }
5439
5440         return priority;
5441 }
5442
5443 /*
5444  * qla24xx_update_fcport_fcp_prio
5445  *      Activates fcp priority for the logged in fc port
5446  *
5447  * Input:
5448  *      ha = adapter block pointer.
5449  *      fcp = port structure pointer.
5450  *
5451  * Return:
5452  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5453  *
5454  * Context:
5455  *      Kernel context.
5456  */
5457 int
5458 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *ha, fc_port_t *fcport)
5459 {
5460         int ret;
5461         uint8_t priority;
5462         uint16_t mb[5];
5463
5464         if (atomic_read(&fcport->state) == FCS_UNCONFIGURED ||
5465                 fcport->port_type != FCT_TARGET ||
5466                 fcport->loop_id == FC_NO_LOOP_ID)
5467                 return QLA_FUNCTION_FAILED;
5468
5469         priority = qla24xx_get_fcp_prio(ha, fcport);
5470         ret = qla24xx_set_fcp_prio(ha, fcport->loop_id, priority, mb);
5471         if (ret == QLA_SUCCESS)
5472                 fcport->fcp_prio = priority;
5473         else
5474                 DEBUG2(printk(KERN_WARNING
5475                         "scsi(%ld): Unable to activate fcp priority, "
5476                         " ret=0x%x\n", ha->host_no, ret));
5477
5478         return  ret;
5479 }
5480
5481 /*
5482  * qla24xx_update_all_fcp_prio
5483  *      Activates fcp priority for all the logged in ports
5484  *
5485  * Input:
5486  *      ha = adapter block pointer.
5487  *
5488  * Return:
5489  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5490  *
5491  * Context:
5492  *      Kernel context.
5493  */
5494 int
5495 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5496 {
5497         int ret;
5498         fc_port_t *fcport;
5499
5500         ret = QLA_FUNCTION_FAILED;
5501         /* We need to set priority for all logged in ports */
5502         list_for_each_entry(fcport, &vha->vp_fcports, list)
5503                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5504
5505         return ret;
5506 }