drivers/scsi/qla2xxx/qla_init.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2011 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8 #include "qla_gbl.h"
   9
  10 #include <linux/delay.h>
  11 #include <linux/slab.h>
  12 #include <linux/vmalloc.h>
  13
  14 #include "qla_devtbl.h"
  15
  16 #ifdef CONFIG_SPARC
  17 #include <asm/prom.h>
  18 #endif
  19
  20 /*
  21 *  QLogic ISP2x00 Hardware Support Function Prototypes.
  22 */
  23 static int qla2x00_isp_firmware(scsi_qla_host_t *);
  24 static int qla2x00_setup_chip(scsi_qla_host_t *);
  25 static int qla2x00_init_rings(scsi_qla_host_t *);
  26 static int qla2x00_fw_ready(scsi_qla_host_t *);
  27 static int qla2x00_configure_hba(scsi_qla_host_t *);
  28 static int qla2x00_configure_loop(scsi_qla_host_t *);
  29 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  30 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  31 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
  32 static int qla2x00_device_resync(scsi_qla_host_t *);
  33 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
  34     uint16_t *);
  35
  36 static int qla2x00_restart_isp(scsi_qla_host_t *);
  37
  38 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  39 static int qla84xx_init_chip(scsi_qla_host_t *);
  40 static int qla25xx_init_queues(struct qla_hw_data *);
  41
  42 /* SRB Extensions ---------------------------------------------------------- */
  43
  44 static void
  45 qla2x00_ctx_sp_timeout(unsigned long __data)
  46 {
  47         srb_t *sp = (srb_t *)__data;
  48         struct srb_ctx *ctx;
  49         struct srb_iocb *iocb;
  50         fc_port_t *fcport = sp->fcport;
  51         struct qla_hw_data *ha = fcport->vha->hw;
  52         struct req_que *req;
  53         unsigned long flags;
  54
  55         spin_lock_irqsave(&ha->hardware_lock, flags);
  56         req = ha->req_q_map[0];
  57         req->outstanding_cmds[sp->handle] = NULL;
  58         ctx = sp->ctx;
  59         iocb = ctx->u.iocb_cmd;
  60         iocb->timeout(sp);
  61         iocb->free(sp);
  62         spin_unlock_irqrestore(&ha->hardware_lock, flags);
  63 }
  64
  65 static void
  66 qla2x00_ctx_sp_free(srb_t *sp)
  67 {
  68         struct srb_ctx *ctx = sp->ctx;
  69         struct srb_iocb *iocb = ctx->u.iocb_cmd;
  70         struct scsi_qla_host *vha = sp->fcport->vha;
  71
  72         del_timer(&iocb->timer);
  73         kfree(iocb);
  74         kfree(ctx);
  75         mempool_free(sp, sp->fcport->vha->hw->srb_mempool);
  76
  77         QLA_VHA_MARK_NOT_BUSY(vha);
  78 }
  79
  80 inline srb_t *
  81 qla2x00_get_ctx_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size,
  82     unsigned long tmo)
  83 {
  84         srb_t *sp = NULL;
  85         struct qla_hw_data *ha = vha->hw;
  86         struct srb_ctx *ctx;
  87         struct srb_iocb *iocb;
  88         uint8_t bail;
  89
  90         QLA_VHA_MARK_BUSY(vha, bail);
  91         if (bail)
  92                 return NULL;
  93
  94         sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
  95         if (!sp)
  96                 goto done;
  97         ctx = kzalloc(size, GFP_KERNEL);
  98         if (!ctx) {
  99                 mempool_free(sp, ha->srb_mempool);
 100                 sp = NULL;
 101                 goto done;
 102         }
 103         iocb = kzalloc(sizeof(struct srb_iocb), GFP_KERNEL);
 104         if (!iocb) {
 105                 mempool_free(sp, ha->srb_mempool);
 106                 sp = NULL;
 107                 kfree(ctx);
 108                 goto done;
 109         }
 110
 111         memset(sp, 0, sizeof(*sp));
 112         sp->fcport = fcport;
 113         sp->ctx = ctx;
 114         ctx->u.iocb_cmd = iocb;
 115         iocb->free = qla2x00_ctx_sp_free;
 116
 117         init_timer(&iocb->timer);
 118         if (!tmo)
 119                 goto done;
 120         iocb->timer.expires = jiffies + tmo * HZ;
 121         iocb->timer.data = (unsigned long)sp;
 122         iocb->timer.function = qla2x00_ctx_sp_timeout;
 123         add_timer(&iocb->timer);
 124 done:
 125         if (!sp)
 126                 QLA_VHA_MARK_NOT_BUSY(vha);
 127         return sp;
 128 }
 129
 130 /* Asynchronous Login/Logout Routines -------------------------------------- */
 131
 132 static inline unsigned long
 133 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
 134 {
 135         unsigned long tmo;
 136         struct qla_hw_data *ha = vha->hw;
 137
 138         /* Firmware should use switch negotiated r_a_tov for timeout. */
 139         tmo = ha->r_a_tov / 10 * 2;
 140         if (!IS_FWI2_CAPABLE(ha)) {
 141                 /*
 142                  * Except for earlier ISPs where the timeout is seeded from the
 143                  * initialization control block.
 144                  */
 145                 tmo = ha->login_timeout;
 146         }
 147         return tmo;
 148 }
 149
 150 static void
 151 qla2x00_async_iocb_timeout(srb_t *sp)
 152 {
 153         fc_port_t *fcport = sp->fcport;
 154         struct srb_ctx *ctx = sp->ctx;
 155
 156         DEBUG2(printk(KERN_WARNING
 157                 "scsi(%ld:%x): Async-%s timeout - portid=%02x%02x%02x.\n",
 158                 fcport->vha->host_no, sp->handle,
 159                 ctx->name, fcport->d_id.b.domain,
 160                 fcport->d_id.b.area, fcport->d_id.b.al_pa));
 161
 162         fcport->flags &= ~FCF_ASYNC_SENT;
 163         if (ctx->type == SRB_LOGIN_CMD) {
 164                 struct srb_iocb *lio = ctx->u.iocb_cmd;
 165                 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
 166                 /* Retry as needed. */
 167                 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 168                 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 169                         QLA_LOGIO_LOGIN_RETRIED : 0;
 170                 qla2x00_post_async_login_done_work(fcport->vha, fcport,
 171                         lio->u.logio.data);
 172         }
 173 }
 174
 175 static void
 176 qla2x00_async_login_ctx_done(srb_t *sp)
 177 {
 178         struct srb_ctx *ctx = sp->ctx;
 179         struct srb_iocb *lio = ctx->u.iocb_cmd;
 180
 181         qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
 182                 lio->u.logio.data);
 183         lio->free(sp);
 184 }
 185
 186 int
 187 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 188     uint16_t *data)
 189 {
 190         srb_t *sp;
 191         struct srb_ctx *ctx;
 192         struct srb_iocb *lio;
 193         int rval;
 194
 195         rval = QLA_FUNCTION_FAILED;
 196         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 197             qla2x00_get_async_timeout(vha) + 2);
 198         if (!sp)
 199                 goto done;
 200
 201         ctx = sp->ctx;
 202         ctx->type = SRB_LOGIN_CMD;
 203         ctx->name = "login";
 204         lio = ctx->u.iocb_cmd;
 205         lio->timeout = qla2x00_async_iocb_timeout;
 206         lio->done = qla2x00_async_login_ctx_done;
 207         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 208         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 209                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 210         rval = qla2x00_start_sp(sp);
 211         if (rval != QLA_SUCCESS)
 212                 goto done_free_sp;
 213
 214         DEBUG2(printk(KERN_DEBUG
 215             "scsi(%ld:%x): Async-login - loop-id=%x portid=%02x%02x%02x "
 216             "retries=%d.\n", fcport->vha->host_no, sp->handle, fcport->loop_id,
 217             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 218             fcport->login_retry));
 219         return rval;
 220
 221 done_free_sp:
 222         lio->free(sp);
 223 done:
 224         return rval;
 225 }
 226
 227 static void
 228 qla2x00_async_logout_ctx_done(srb_t *sp)
 229 {
 230         struct srb_ctx *ctx = sp->ctx;
 231         struct srb_iocb *lio = ctx->u.iocb_cmd;
 232
 233         qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
 234             lio->u.logio.data);
 235         lio->free(sp);
 236 }
 237
 238 int
 239 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 240 {
 241         srb_t *sp;
 242         struct srb_ctx *ctx;
 243         struct srb_iocb *lio;
 244         int rval;
 245
 246         rval = QLA_FUNCTION_FAILED;
 247         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 248             qla2x00_get_async_timeout(vha) + 2);
 249         if (!sp)
 250                 goto done;
 251
 252         ctx = sp->ctx;
 253         ctx->type = SRB_LOGOUT_CMD;
 254         ctx->name = "logout";
 255         lio = ctx->u.iocb_cmd;
 256         lio->timeout = qla2x00_async_iocb_timeout;
 257         lio->done = qla2x00_async_logout_ctx_done;
 258         rval = qla2x00_start_sp(sp);
 259         if (rval != QLA_SUCCESS)
 260                 goto done_free_sp;
 261
 262         DEBUG2(printk(KERN_DEBUG
 263             "scsi(%ld:%x): Async-logout - loop-id=%x portid=%02x%02x%02x.\n",
 264             fcport->vha->host_no, sp->handle, fcport->loop_id,
 265             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
 266         return rval;
 267
 268 done_free_sp:
 269         lio->free(sp);
 270 done:
 271         return rval;
 272 }
 273
 274 static void
 275 qla2x00_async_adisc_ctx_done(srb_t *sp)
 276 {
 277         struct srb_ctx *ctx = sp->ctx;
 278         struct srb_iocb *lio = ctx->u.iocb_cmd;
 279
 280         qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
 281             lio->u.logio.data);
 282         lio->free(sp);
 283 }
 284
 285 int
 286 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 287     uint16_t *data)
 288 {
 289         srb_t *sp;
 290         struct srb_ctx *ctx;
 291         struct srb_iocb *lio;
 292         int rval;
 293
 294         rval = QLA_FUNCTION_FAILED;
 295         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 296             qla2x00_get_async_timeout(vha) + 2);
 297         if (!sp)
 298                 goto done;
 299
 300         ctx = sp->ctx;
 301         ctx->type = SRB_ADISC_CMD;
 302         ctx->name = "adisc";
 303         lio = ctx->u.iocb_cmd;
 304         lio->timeout = qla2x00_async_iocb_timeout;
 305         lio->done = qla2x00_async_adisc_ctx_done;
 306         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 307                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 308         rval = qla2x00_start_sp(sp);
 309         if (rval != QLA_SUCCESS)
 310                 goto done_free_sp;
 311
 312         DEBUG2(printk(KERN_DEBUG
 313             "scsi(%ld:%x): Async-adisc - loop-id=%x portid=%02x%02x%02x.\n",
 314             fcport->vha->host_no, sp->handle, fcport->loop_id,
 315             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
 316
 317         return rval;
 318
 319 done_free_sp:
 320         lio->free(sp);
 321 done:
 322         return rval;
 323 }
 324
 325 static void
 326 qla2x00_async_tm_cmd_ctx_done(srb_t *sp)
 327 {
 328         struct srb_ctx *ctx = sp->ctx;
 329         struct srb_iocb *iocb = (struct srb_iocb *)ctx->u.iocb_cmd;
 330
 331         qla2x00_async_tm_cmd_done(sp->fcport->vha, sp->fcport, iocb);
 332         iocb->free(sp);
 333 }
 334
 335 int
 336 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
 337         uint32_t tag)
 338 {
 339         struct scsi_qla_host *vha = fcport->vha;
 340         srb_t *sp;
 341         struct srb_ctx *ctx;
 342         struct srb_iocb *tcf;
 343         int rval;
 344
 345         rval = QLA_FUNCTION_FAILED;
 346         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
 347             qla2x00_get_async_timeout(vha) + 2);
 348         if (!sp)
 349                 goto done;
 350
 351         ctx = sp->ctx;
 352         ctx->type = SRB_TM_CMD;
 353         ctx->name = "tmf";
 354         tcf = ctx->u.iocb_cmd;
 355         tcf->u.tmf.flags = flags;
 356         tcf->u.tmf.lun = lun;
 357         tcf->u.tmf.data = tag;
 358         tcf->timeout = qla2x00_async_iocb_timeout;
 359         tcf->done = qla2x00_async_tm_cmd_ctx_done;
 360
 361         rval = qla2x00_start_sp(sp);
 362         if (rval != QLA_SUCCESS)
 363                 goto done_free_sp;
 364
 365         DEBUG2(printk(KERN_DEBUG
 366             "scsi(%ld:%x): Async-tmf - loop-id=%x portid=%02x%02x%02x.\n",
 367             fcport->vha->host_no, sp->handle, fcport->loop_id,
 368             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
 369
 370         return rval;
 371
 372 done_free_sp:
 373         tcf->free(sp);
 374 done:
 375         return rval;
 376 }
 377
 378 void
 379 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 380     uint16_t *data)
 381 {
 382         int rval;
 383
 384         switch (data[0]) {
 385         case MBS_COMMAND_COMPLETE:
 386                 /*
 387                  * Driver must validate login state - If PRLI not complete,
 388                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
 389                  * requests.
 390                  */
 391                 rval = qla2x00_get_port_database(vha, fcport, 0);
 392                 if (rval != QLA_SUCCESS) {
 393                         qla2x00_post_async_logout_work(vha, fcport, NULL);
 394                         qla2x00_post_async_login_work(vha, fcport, NULL);
 395                         break;
 396                 }
 397                 if (fcport->flags & FCF_FCP2_DEVICE) {
 398                         qla2x00_post_async_adisc_work(vha, fcport, data);
 399                         break;
 400                 }
 401                 qla2x00_update_fcport(vha, fcport);
 402                 break;
 403         case MBS_COMMAND_ERROR:
 404                 fcport->flags &= ~FCF_ASYNC_SENT;
 405                 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 406                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 407                 else
 408                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 409                 break;
 410         case MBS_PORT_ID_USED:
 411                 fcport->loop_id = data[1];
 412                 qla2x00_post_async_logout_work(vha, fcport, NULL);
 413                 qla2x00_post_async_login_work(vha, fcport, NULL);
 414                 break;
 415         case MBS_LOOP_ID_USED:
 416                 fcport->loop_id++;
 417                 rval = qla2x00_find_new_loop_id(vha, fcport);
 418                 if (rval != QLA_SUCCESS) {
 419                         fcport->flags &= ~FCF_ASYNC_SENT;
 420                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 421                         break;
 422                 }
 423                 qla2x00_post_async_login_work(vha, fcport, NULL);
 424                 break;
 425         }
 426         return;
 427 }
 428
 429 void
 430 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 431     uint16_t *data)
 432 {
 433         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 434         return;
 435 }
 436
 437 void
 438 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 439     uint16_t *data)
 440 {
 441         if (data[0] == MBS_COMMAND_COMPLETE) {
 442                 qla2x00_update_fcport(vha, fcport);
 443
 444                 return;
 445         }
 446
 447         /* Retry login. */
 448         fcport->flags &= ~FCF_ASYNC_SENT;
 449         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 450                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 451         else
 452                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
 453
 454         return;
 455 }
 456
 457 void
 458 qla2x00_async_tm_cmd_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 459     struct srb_iocb *iocb)
 460 {
 461         int rval;
 462         uint32_t flags;
 463         uint16_t lun;
 464
 465         flags = iocb->u.tmf.flags;
 466         lun = (uint16_t)iocb->u.tmf.lun;
 467
 468         /* Issue Marker IOCB */
 469         rval = qla2x00_marker(vha, vha->hw->req_q_map[0],
 470                 vha->hw->rsp_q_map[0], fcport->loop_id, lun,
 471                 flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
 472
 473         if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
 474                 DEBUG2_3_11(printk(KERN_WARNING
 475                         "%s(%ld): TM IOCB failed (%x).\n",
 476                         __func__, vha->host_no, rval));
 477         }
 478
 479         return;
 480 }
 481
 482 /****************************************************************************/
 483 /*                QLogic ISP2x00 Hardware Support Functions.                */
 484 /****************************************************************************/
 485
 486 /*
 487 * qla2x00_initialize_adapter
 488 *      Initialize board.
 489 *
 490 * Input:
 491 *      ha = adapter block pointer.
 492 *
 493 * Returns:
 494 *      0 = success
 495 */
 496 int
 497 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 498 {
 499         int     rval;
 500         struct qla_hw_data *ha = vha->hw;
 501         struct req_que *req = ha->req_q_map[0];
 502
 503         /* Clear adapter flags. */
 504         vha->flags.online = 0;
 505         ha->flags.chip_reset_done = 0;
 506         vha->flags.reset_active = 0;
 507         ha->flags.pci_channel_io_perm_failure = 0;
 508         ha->flags.eeh_busy = 0;
 509         ha->flags.thermal_supported = 1;
 510         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 511         atomic_set(&vha->loop_state, LOOP_DOWN);
 512         vha->device_flags = DFLG_NO_CABLE;
 513         vha->dpc_flags = 0;
 514         vha->flags.management_server_logged_in = 0;
 515         vha->marker_needed = 0;
 516         ha->isp_abort_cnt = 0;
 517         ha->beacon_blink_led = 0;
 518
 519         set_bit(0, ha->req_qid_map);
 520         set_bit(0, ha->rsp_qid_map);
 521
 522         qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
 523         rval = ha->isp_ops->pci_config(vha);
 524         if (rval) {
 525                 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
 526                     vha->host_no));
 527                 return (rval);
 528         }
 529
 530         ha->isp_ops->reset_chip(vha);
 531
 532         rval = qla2xxx_get_flash_info(vha);
 533         if (rval) {
 534                 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
 535                     vha->host_no));
 536                 return (rval);
 537         }
 538
 539         ha->isp_ops->get_flash_version(vha, req->ring);
 540
 541         qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
 542
 543         ha->isp_ops->nvram_config(vha);
 544
 545         if (ha->flags.disable_serdes) {
 546                 /* Mask HBA via NVRAM settings? */
 547                 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
 548                     "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
 549                     vha->port_name[0], vha->port_name[1],
 550                     vha->port_name[2], vha->port_name[3],
 551                     vha->port_name[4], vha->port_name[5],
 552                     vha->port_name[6], vha->port_name[7]);
 553                 return QLA_FUNCTION_FAILED;
 554         }
 555
 556         qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
 557
 558         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 559                 rval = ha->isp_ops->chip_diag(vha);
 560                 if (rval)
 561                         return (rval);
 562                 rval = qla2x00_setup_chip(vha);
 563                 if (rval)
 564                         return (rval);
 565         }
 566
 567         if (IS_QLA84XX(ha)) {
 568                 ha->cs84xx = qla84xx_get_chip(vha);
 569                 if (!ha->cs84xx) {
 570                         qla_printk(KERN_ERR, ha,
 571                             "Unable to configure ISP84XX.\n");
 572                         return QLA_FUNCTION_FAILED;
 573                 }
 574         }
 575         rval = qla2x00_init_rings(vha);
 576         ha->flags.chip_reset_done = 1;
 577
 578         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
 579                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
 580                 rval = qla84xx_init_chip(vha);
 581                 if (rval != QLA_SUCCESS) {
 582                         qla_printk(KERN_ERR, ha,
 583                                 "Unable to initialize ISP84XX.\n");
 584                 qla84xx_put_chip(vha);
 585                 }
 586         }
 587
 588         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
 589                 qla24xx_read_fcp_prio_cfg(vha);
 590
 591         return (rval);
 592 }
 593
 594 /**
 595  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 596  * @ha: HA context
 597  *
 598  * Returns 0 on success.
 599  */
 600 int
 601 qla2100_pci_config(scsi_qla_host_t *vha)
 602 {
 603         uint16_t w;
 604         unsigned long flags;
 605         struct qla_hw_data *ha = vha->hw;
 606         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 607
 608         pci_set_master(ha->pdev);
 609         pci_try_set_mwi(ha->pdev);
 610
 611         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 612         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 613         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 614
 615         pci_disable_rom(ha->pdev);
 616
 617         /* Get PCI bus information. */
 618         spin_lock_irqsave(&ha->hardware_lock, flags);
 619         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 620         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 621
 622         return QLA_SUCCESS;
 623 }
 624
 625 /**
 626  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 627  * @ha: HA context
 628  *
 629  * Returns 0 on success.
 630  */
 631 int
 632 qla2300_pci_config(scsi_qla_host_t *vha)
 633 {
 634         uint16_t        w;
 635         unsigned long   flags = 0;
 636         uint32_t        cnt;
 637         struct qla_hw_data *ha = vha->hw;
 638         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 639
 640         pci_set_master(ha->pdev);
 641         pci_try_set_mwi(ha->pdev);
 642
 643         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 644         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 645
 646         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 647                 w &= ~PCI_COMMAND_INTX_DISABLE;
 648         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 649
 650         /*
 651          * If this is a 2300 card and not 2312, reset the
 652          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 653          * the 2310 also reports itself as a 2300 so we need to get the
 654          * fb revision level -- a 6 indicates it really is a 2300 and
 655          * not a 2310.
 656          */
 657         if (IS_QLA2300(ha)) {
 658                 spin_lock_irqsave(&ha->hardware_lock, flags);
 659
 660                 /* Pause RISC. */
 661                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 662                 for (cnt = 0; cnt < 30000; cnt++) {
 663                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 664                                 break;
 665
 666                         udelay(10);
 667                 }
 668
 669                 /* Select FPM registers. */
 670                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 671                 RD_REG_WORD(&reg->ctrl_status);
 672
 673                 /* Get the fb rev level */
 674                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 675
 676                 if (ha->fb_rev == FPM_2300)
 677                         pci_clear_mwi(ha->pdev);
 678
 679                 /* Deselect FPM registers. */
 680                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 681                 RD_REG_WORD(&reg->ctrl_status);
 682
 683                 /* Release RISC module. */
 684                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 685                 for (cnt = 0; cnt < 30000; cnt++) {
 686                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 687                                 break;
 688
 689                         udelay(10);
 690                 }
 691
 692                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 693         }
 694
 695         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 696
 697         pci_disable_rom(ha->pdev);
 698
 699         /* Get PCI bus information. */
 700         spin_lock_irqsave(&ha->hardware_lock, flags);
 701         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 702         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 703
 704         return QLA_SUCCESS;
 705 }
 706
 707 /**
 708  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 709  * @ha: HA context
 710  *
 711  * Returns 0 on success.
 712  */
 713 int
 714 qla24xx_pci_config(scsi_qla_host_t *vha)
 715 {
 716         uint16_t w;
 717         unsigned long flags = 0;
 718         struct qla_hw_data *ha = vha->hw;
 719         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 720
 721         pci_set_master(ha->pdev);
 722         pci_try_set_mwi(ha->pdev);
 723
 724         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 725         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 726         w &= ~PCI_COMMAND_INTX_DISABLE;
 727         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 728
 729         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 730
 731         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 732         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 733                 pcix_set_mmrbc(ha->pdev, 2048);
 734
 735         /* PCIe -- adjust Maximum Read Request Size (2048). */
 736         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 737                 pcie_set_readrq(ha->pdev, 2048);
 738
 739         pci_disable_rom(ha->pdev);
 740
 741         ha->chip_revision = ha->pdev->revision;
 742
 743         /* Get PCI bus information. */
 744         spin_lock_irqsave(&ha->hardware_lock, flags);
 745         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 746         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 747
 748         return QLA_SUCCESS;
 749 }
 750
 751 /**
 752  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 753  * @ha: HA context
 754  *
 755  * Returns 0 on success.
 756  */
 757 int
 758 qla25xx_pci_config(scsi_qla_host_t *vha)
 759 {
 760         uint16_t w;
 761         struct qla_hw_data *ha = vha->hw;
 762
 763         pci_set_master(ha->pdev);
 764         pci_try_set_mwi(ha->pdev);
 765
 766         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 767         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 768         w &= ~PCI_COMMAND_INTX_DISABLE;
 769         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 770
 771         /* PCIe -- adjust Maximum Read Request Size (2048). */
 772         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 773                 pcie_set_readrq(ha->pdev, 2048);
 774
 775         pci_disable_rom(ha->pdev);
 776
 777         ha->chip_revision = ha->pdev->revision;
 778
 779         return QLA_SUCCESS;
 780 }
 781
 782 /**
 783  * qla2x00_isp_firmware() - Choose firmware image.
 784  * @ha: HA context
 785  *
 786  * Returns 0 on success.
 787  */
 788 static int
 789 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 790 {
 791         int  rval;
 792         uint16_t loop_id, topo, sw_cap;
 793         uint8_t domain, area, al_pa;
 794         struct qla_hw_data *ha = vha->hw;
 795
 796         /* Assume loading risc code */
 797         rval = QLA_FUNCTION_FAILED;
 798
 799         if (ha->flags.disable_risc_code_load) {
 800                 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
 801                     vha->host_no));
 802                 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
 803
 804                 /* Verify checksum of loaded RISC code. */
 805                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 806                 if (rval == QLA_SUCCESS) {
 807                         /* And, verify we are not in ROM code. */
 808                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 809                             &area, &domain, &topo, &sw_cap);
 810                 }
 811         }
 812
 813         if (rval) {
 814                 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
 815                     vha->host_no));
 816         }
 817
 818         return (rval);
 819 }
 820
 821 /**
 822  * qla2x00_reset_chip() - Reset ISP chip.
 823  * @ha: HA context
 824  *
 825  * Returns 0 on success.
 826  */
 827 void
 828 qla2x00_reset_chip(scsi_qla_host_t *vha)
 829 {
 830         unsigned long   flags = 0;
 831         struct qla_hw_data *ha = vha->hw;
 832         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 833         uint32_t        cnt;
 834         uint16_t        cmd;
 835
 836         if (unlikely(pci_channel_offline(ha->pdev)))
 837                 return;
 838
 839         ha->isp_ops->disable_intrs(ha);
 840
 841         spin_lock_irqsave(&ha->hardware_lock, flags);
 842
 843         /* Turn off master enable */
 844         cmd = 0;
 845         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 846         cmd &= ~PCI_COMMAND_MASTER;
 847         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 848
 849         if (!IS_QLA2100(ha)) {
 850                 /* Pause RISC. */
 851                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 852                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 853                         for (cnt = 0; cnt < 30000; cnt++) {
 854                                 if ((RD_REG_WORD(&reg->hccr) &
 855                                     HCCR_RISC_PAUSE) != 0)
 856                                         break;
 857                                 udelay(100);
 858                         }
 859                 } else {
 860                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 861                         udelay(10);
 862                 }
 863
 864                 /* Select FPM registers. */
 865                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 866                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 867
 868                 /* FPM Soft Reset. */
 869                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 870                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 871
 872                 /* Toggle Fpm Reset. */
 873                 if (!IS_QLA2200(ha)) {
 874                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 875                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 876                 }
 877
 878                 /* Select frame buffer registers. */
 879                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 880                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 881
 882                 /* Reset frame buffer FIFOs. */
 883                 if (IS_QLA2200(ha)) {
 884                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 885                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 886                 } else {
 887                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 888
 889                         /* Read back fb_cmd until zero or 3 seconds max */
 890                         for (cnt = 0; cnt < 3000; cnt++) {
 891                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 892                                         break;
 893                                 udelay(100);
 894                         }
 895                 }
 896
 897                 /* Select RISC module registers. */
 898                 WRT_REG_WORD(&reg->ctrl_status, 0);
 899                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 900
 901                 /* Reset RISC processor. */
 902                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 903                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 904
 905                 /* Release RISC processor. */
 906                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 907                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 908         }
 909
 910         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 911         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 912
 913         /* Reset ISP chip. */
 914         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 915
 916         /* Wait for RISC to recover from reset. */
 917         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 918                 /*
 919                  * It is necessary to for a delay here since the card doesn't
 920                  * respond to PCI reads during a reset. On some architectures
 921                  * this will result in an MCA.
 922                  */
 923                 udelay(20);
 924                 for (cnt = 30000; cnt; cnt--) {
 925                         if ((RD_REG_WORD(&reg->ctrl_status) &
 926                             CSR_ISP_SOFT_RESET) == 0)
 927                                 break;
 928                         udelay(100);
 929                 }
 930         } else
 931                 udelay(10);
 932
 933         /* Reset RISC processor. */
 934         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 935
 936         WRT_REG_WORD(&reg->semaphore, 0);
 937
 938         /* Release RISC processor. */
 939         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 940         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 941
 942         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 943                 for (cnt = 0; cnt < 30000; cnt++) {
 944                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 945                                 break;
 946
 947                         udelay(100);
 948                 }
 949         } else
 950                 udelay(100);
 951
 952         /* Turn on master enable */
 953         cmd |= PCI_COMMAND_MASTER;
 954         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 955
 956         /* Disable RISC pause on FPM parity error. */
 957         if (!IS_QLA2100(ha)) {
 958                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
 959                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 960         }
 961
 962         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 963 }
 964
 965 /**
 966  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
 967  *
 968  * Returns 0 on success.
 969  */
 970 int
 971 qla81xx_reset_mpi(scsi_qla_host_t *vha)
 972 {
 973         uint16_t mb[4] = {0x1010, 0, 1, 0};
 974
 975         return qla81xx_write_mpi_register(vha, mb);
 976 }
 977
 978 /**
 979  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
 980  * @ha: HA context
 981  *
 982  * Returns 0 on success.
 983  */
 984 static inline void
 985 qla24xx_reset_risc(scsi_qla_host_t *vha)
 986 {
 987         unsigned long flags = 0;
 988         struct qla_hw_data *ha = vha->hw;
 989         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 990         uint32_t cnt, d2;
 991         uint16_t wd;
 992         static int abts_cnt; /* ISP abort retry counts */
 993
 994         spin_lock_irqsave(&ha->hardware_lock, flags);
 995
 996         /* Reset RISC. */
 997         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 998         for (cnt = 0; cnt < 30000; cnt++) {
 999                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
1000                         break;
1001
1002                 udelay(10);
1003         }
1004
1005         WRT_REG_DWORD(&reg->ctrl_status,
1006             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1007         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1008
1009         udelay(100);
1010         /* Wait for firmware to complete NVRAM accesses. */
1011         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1012         for (cnt = 10000 ; cnt && d2; cnt--) {
1013                 udelay(5);
1014                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1015                 barrier();
1016         }
1017
1018         /* Wait for soft-reset to complete. */
1019         d2 = RD_REG_DWORD(&reg->ctrl_status);
1020         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1021                 udelay(5);
1022                 d2 = RD_REG_DWORD(&reg->ctrl_status);
1023                 barrier();
1024         }
1025
1026         /* If required, do an MPI FW reset now */
1027         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1028                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1029                         if (++abts_cnt < 5) {
1030                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1031                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1032                         } else {
1033                                 /*
1034                                  * We exhausted the ISP abort retries. We have to
1035                                  * set the board offline.
1036                                  */
1037                                 abts_cnt = 0;
1038                                 vha->flags.online = 0;
1039                         }
1040                 }
1041         }
1042
1043         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1044         RD_REG_DWORD(&reg->hccr);
1045
1046         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1047         RD_REG_DWORD(&reg->hccr);
1048
1049         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1050         RD_REG_DWORD(&reg->hccr);
1051
1052         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1053         for (cnt = 6000000 ; cnt && d2; cnt--) {
1054                 udelay(5);
1055                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1056                 barrier();
1057         }
1058
1059         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1060
1061         if (IS_NOPOLLING_TYPE(ha))
1062                 ha->isp_ops->enable_intrs(ha);
1063 }
1064
1065 /**
1066  * qla24xx_reset_chip() - Reset ISP24xx chip.
1067  * @ha: HA context
1068  *
1069  * Returns 0 on success.
1070  */
1071 void
1072 qla24xx_reset_chip(scsi_qla_host_t *vha)
1073 {
1074         struct qla_hw_data *ha = vha->hw;
1075
1076         if (pci_channel_offline(ha->pdev) &&
1077             ha->flags.pci_channel_io_perm_failure) {
1078                 return;
1079         }
1080
1081         ha->isp_ops->disable_intrs(ha);
1082
1083         /* Perform RISC reset. */
1084         qla24xx_reset_risc(vha);
1085 }
1086
1087 /**
1088  * qla2x00_chip_diag() - Test chip for proper operation.
1089  * @ha: HA context
1090  *
1091  * Returns 0 on success.
1092  */
1093 int
1094 qla2x00_chip_diag(scsi_qla_host_t *vha)
1095 {
1096         int             rval;
1097         struct qla_hw_data *ha = vha->hw;
1098         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1099         unsigned long   flags = 0;
1100         uint16_t        data;
1101         uint32_t        cnt;
1102         uint16_t        mb[5];
1103         struct req_que *req = ha->req_q_map[0];
1104
1105         /* Assume a failed state */
1106         rval = QLA_FUNCTION_FAILED;
1107
1108         DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
1109             vha->host_no, (u_long)&reg->flash_address));
1110
1111         spin_lock_irqsave(&ha->hardware_lock, flags);
1112
1113         /* Reset ISP chip. */
1114         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1115
1116         /*
1117          * We need to have a delay here since the card will not respond while
1118          * in reset causing an MCA on some architectures.
1119          */
1120         udelay(20);
1121         data = qla2x00_debounce_register(&reg->ctrl_status);
1122         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1123                 udelay(5);
1124                 data = RD_REG_WORD(&reg->ctrl_status);
1125                 barrier();
1126         }
1127
1128         if (!cnt)
1129                 goto chip_diag_failed;
1130
1131         DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
1132             vha->host_no));
1133
1134         /* Reset RISC processor. */
1135         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1136         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1137
1138         /* Workaround for QLA2312 PCI parity error */
1139         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1140                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1141                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1142                         udelay(5);
1143                         data = RD_MAILBOX_REG(ha, reg, 0);
1144                         barrier();
1145                 }
1146         } else
1147                 udelay(10);
1148
1149         if (!cnt)
1150                 goto chip_diag_failed;
1151
1152         /* Check product ID of chip */
1153         DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
1154
1155         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1156         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1157         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1158         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1159         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1160             mb[3] != PROD_ID_3) {
1161                 qla_printk(KERN_WARNING, ha,
1162                     "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
1163
1164                 goto chip_diag_failed;
1165         }
1166         ha->product_id[0] = mb[1];
1167         ha->product_id[1] = mb[2];
1168         ha->product_id[2] = mb[3];
1169         ha->product_id[3] = mb[4];
1170
1171         /* Adjust fw RISC transfer size */
1172         if (req->length > 1024)
1173                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1174         else
1175                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1176                     req->length;
1177
1178         if (IS_QLA2200(ha) &&
1179             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1180                 /* Limit firmware transfer size with a 2200A */
1181                 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
1182                     vha->host_no));
1183
1184                 ha->device_type |= DT_ISP2200A;
1185                 ha->fw_transfer_size = 128;
1186         }
1187
1188         /* Wrap Incoming Mailboxes Test. */
1189         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1190
1191         DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
1192         rval = qla2x00_mbx_reg_test(vha);
1193         if (rval) {
1194                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
1195                     vha->host_no));
1196                 qla_printk(KERN_WARNING, ha,
1197                     "Failed mailbox send register test\n");
1198         }
1199         else {
1200                 /* Flag a successful rval */
1201                 rval = QLA_SUCCESS;
1202         }
1203         spin_lock_irqsave(&ha->hardware_lock, flags);
1204
1205 chip_diag_failed:
1206         if (rval)
1207                 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
1208                     "****\n", vha->host_no));
1209
1210         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1211
1212         return (rval);
1213 }
1214
1215 /**
1216  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1217  * @ha: HA context
1218  *
1219  * Returns 0 on success.
1220  */
1221 int
1222 qla24xx_chip_diag(scsi_qla_host_t *vha)
1223 {
1224         int rval;
1225         struct qla_hw_data *ha = vha->hw;
1226         struct req_que *req = ha->req_q_map[0];
1227
1228         if (IS_QLA82XX(ha))
1229                 return QLA_SUCCESS;
1230
1231         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1232
1233         rval = qla2x00_mbx_reg_test(vha);
1234         if (rval) {
1235                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
1236                     vha->host_no));
1237                 qla_printk(KERN_WARNING, ha,
1238                     "Failed mailbox send register test\n");
1239         } else {
1240                 /* Flag a successful rval */
1241                 rval = QLA_SUCCESS;
1242         }
1243
1244         return rval;
1245 }
1246
1247 void
1248 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1249 {
1250         int rval;
1251         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1252             eft_size, fce_size, mq_size;
1253         dma_addr_t tc_dma;
1254         void *tc;
1255         struct qla_hw_data *ha = vha->hw;
1256         struct req_que *req = ha->req_q_map[0];
1257         struct rsp_que *rsp = ha->rsp_q_map[0];
1258
1259         if (ha->fw_dump) {
1260                 qla_printk(KERN_WARNING, ha,
1261                     "Firmware dump previously allocated.\n");
1262                 return;
1263         }
1264
1265         ha->fw_dumped = 0;
1266         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1267         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1268                 fixed_size = sizeof(struct qla2100_fw_dump);
1269         } else if (IS_QLA23XX(ha)) {
1270                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1271                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1272                     sizeof(uint16_t);
1273         } else if (IS_FWI2_CAPABLE(ha)) {
1274                 if (IS_QLA81XX(ha))
1275                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1276                 else if (IS_QLA25XX(ha))
1277                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1278                 else
1279                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1280                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1281                     sizeof(uint32_t);
1282                 if (ha->mqenable)
1283                         mq_size = sizeof(struct qla2xxx_mq_chain);
1284                 /* Allocate memory for Fibre Channel Event Buffer. */
1285                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
1286                         goto try_eft;
1287
1288                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1289                     GFP_KERNEL);
1290                 if (!tc) {
1291                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
1292                             "(%d KB) for FCE.\n", FCE_SIZE / 1024);
1293                         goto try_eft;
1294                 }
1295
1296                 memset(tc, 0, FCE_SIZE);
1297                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1298                     ha->fce_mb, &ha->fce_bufs);
1299                 if (rval) {
1300                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
1301                             "FCE (%d).\n", rval);
1302                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1303                             tc_dma);
1304                         ha->flags.fce_enabled = 0;
1305                         goto try_eft;
1306                 }
1307
1308                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
1309                     FCE_SIZE / 1024);
1310
1311                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1312                 ha->flags.fce_enabled = 1;
1313                 ha->fce_dma = tc_dma;
1314                 ha->fce = tc;
1315 try_eft:
1316                 /* Allocate memory for Extended Trace Buffer. */
1317                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1318                     GFP_KERNEL);
1319                 if (!tc) {
1320                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
1321                             "(%d KB) for EFT.\n", EFT_SIZE / 1024);
1322                         goto cont_alloc;
1323                 }
1324
1325                 memset(tc, 0, EFT_SIZE);
1326                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1327                 if (rval) {
1328                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
1329                             "EFT (%d).\n", rval);
1330                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1331                             tc_dma);
1332                         goto cont_alloc;
1333                 }
1334
1335                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
1336                     EFT_SIZE / 1024);
1337
1338                 eft_size = EFT_SIZE;
1339                 ha->eft_dma = tc_dma;
1340                 ha->eft = tc;
1341         }
1342 cont_alloc:
1343         req_q_size = req->length * sizeof(request_t);
1344         rsp_q_size = rsp->length * sizeof(response_t);
1345
1346         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1347         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1348         ha->chain_offset = dump_size;
1349         dump_size += mq_size + fce_size;
1350
1351         ha->fw_dump = vmalloc(dump_size);
1352         if (!ha->fw_dump) {
1353                 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
1354                     "firmware dump!!!\n", dump_size / 1024);
1355
1356                 if (ha->fce) {
1357                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1358                             ha->fce_dma);
1359                         ha->fce = NULL;
1360                         ha->fce_dma = 0;
1361                 }
1362
1363                 if (ha->eft) {
1364                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1365                             ha->eft_dma);
1366                         ha->eft = NULL;
1367                         ha->eft_dma = 0;
1368                 }
1369                 return;
1370         }
1371         qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
1372             dump_size / 1024);
1373
1374         ha->fw_dump_len = dump_size;
1375         ha->fw_dump->signature[0] = 'Q';
1376         ha->fw_dump->signature[1] = 'L';
1377         ha->fw_dump->signature[2] = 'G';
1378         ha->fw_dump->signature[3] = 'C';
1379         ha->fw_dump->version = __constant_htonl(1);
1380
1381         ha->fw_dump->fixed_size = htonl(fixed_size);
1382         ha->fw_dump->mem_size = htonl(mem_size);
1383         ha->fw_dump->req_q_size = htonl(req_q_size);
1384         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1385
1386         ha->fw_dump->eft_size = htonl(eft_size);
1387         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1388         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1389
1390         ha->fw_dump->header_size =
1391             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1392 }
1393
1394 static int
1395 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1396 {
1397 #define MPS_MASK        0xe0
1398         int rval;
1399         uint16_t dc;
1400         uint32_t dw;
1401         struct qla_hw_data *ha = vha->hw;
1402
1403         if (!IS_QLA81XX(vha->hw))
1404                 return QLA_SUCCESS;
1405
1406         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1407         if (rval != QLA_SUCCESS) {
1408                 DEBUG2(qla_printk(KERN_WARNING, ha,
1409                     "Sync-MPI: Unable to acquire semaphore.\n"));
1410                 goto done;
1411         }
1412
1413         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1414         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1415         if (rval != QLA_SUCCESS) {
1416                 DEBUG2(qla_printk(KERN_WARNING, ha,
1417                     "Sync-MPI: Unable to read sync.\n"));
1418                 goto done_release;
1419         }
1420
1421         dc &= MPS_MASK;
1422         if (dc == (dw & MPS_MASK))
1423                 goto done_release;
1424
1425         dw &= ~MPS_MASK;
1426         dw |= dc;
1427         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1428         if (rval != QLA_SUCCESS) {
1429                 DEBUG2(qla_printk(KERN_WARNING, ha,
1430                     "Sync-MPI: Unable to gain sync.\n"));
1431         }
1432
1433 done_release:
1434         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1435         if (rval != QLA_SUCCESS) {
1436                 DEBUG2(qla_printk(KERN_WARNING, ha,
1437                     "Sync-MPI: Unable to release semaphore.\n"));
1438         }
1439
1440 done:
1441         return rval;
1442 }
1443
1444 /**
1445  * qla2x00_setup_chip() - Load and start RISC firmware.
1446  * @ha: HA context
1447  *
1448  * Returns 0 on success.
1449  */
1450 static int
1451 qla2x00_setup_chip(scsi_qla_host_t *vha)
1452 {
1453         int rval;
1454         uint32_t srisc_address = 0;
1455         struct qla_hw_data *ha = vha->hw;
1456         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1457         unsigned long flags;
1458         uint16_t fw_major_version;
1459
1460         if (IS_QLA82XX(ha)) {
1461                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1462                 if (rval == QLA_SUCCESS) {
1463                         qla2x00_stop_firmware(vha);
1464                         goto enable_82xx_npiv;
1465                 } else
1466                         goto failed;
1467         }
1468
1469         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1470                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1471                 spin_lock_irqsave(&ha->hardware_lock, flags);
1472                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1473                 RD_REG_WORD(&reg->hccr);
1474                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1475         }
1476
1477         qla81xx_mpi_sync(vha);
1478
1479         /* Load firmware sequences */
1480         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1481         if (rval == QLA_SUCCESS) {
1482                 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
1483                     "code.\n", vha->host_no));
1484
1485                 rval = qla2x00_verify_checksum(vha, srisc_address);
1486                 if (rval == QLA_SUCCESS) {
1487                         /* Start firmware execution. */
1488                         DEBUG(printk("scsi(%ld): Checksum OK, start "
1489                             "firmware.\n", vha->host_no));
1490
1491                         rval = qla2x00_execute_fw(vha, srisc_address);
1492                         /* Retrieve firmware information. */
1493                         if (rval == QLA_SUCCESS) {
1494 enable_82xx_npiv:
1495                                 fw_major_version = ha->fw_major_version;
1496                                 rval = qla2x00_get_fw_version(vha,
1497                                     &ha->fw_major_version,
1498                                     &ha->fw_minor_version,
1499                                     &ha->fw_subminor_version,
1500                                     &ha->fw_attributes, &ha->fw_memory_size,
1501                                     ha->mpi_version, &ha->mpi_capabilities,
1502                                     ha->phy_version);
1503                                 if (rval != QLA_SUCCESS)
1504                                         goto failed;
1505                                 ha->flags.npiv_supported = 0;
1506                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1507                                          (ha->fw_attributes & BIT_2)) {
1508                                         ha->flags.npiv_supported = 1;
1509                                         if ((!ha->max_npiv_vports) ||
1510                                             ((ha->max_npiv_vports + 1) %
1511                                             MIN_MULTI_ID_FABRIC))
1512                                                 ha->max_npiv_vports =
1513                                                     MIN_MULTI_ID_FABRIC - 1;
1514                                 }
1515                                 qla2x00_get_resource_cnts(vha, NULL,
1516                                     &ha->fw_xcb_count, NULL, NULL,
1517                                     &ha->max_npiv_vports, NULL);
1518
1519                                 if (!fw_major_version && ql2xallocfwdump) {
1520                                         if (!IS_QLA82XX(ha))
1521                                                 qla2x00_alloc_fw_dump(vha);
1522                                 }
1523                         }
1524                 } else {
1525                         DEBUG2(printk(KERN_INFO
1526                             "scsi(%ld): ISP Firmware failed checksum.\n",
1527                             vha->host_no));
1528                 }
1529         }
1530
1531         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1532                 /* Enable proper parity. */
1533                 spin_lock_irqsave(&ha->hardware_lock, flags);
1534                 if (IS_QLA2300(ha))
1535                         /* SRAM parity */
1536                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1537                 else
1538                         /* SRAM, Instruction RAM and GP RAM parity */
1539                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1540                 RD_REG_WORD(&reg->hccr);
1541                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1542         }
1543
1544         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1545                 uint32_t size;
1546
1547                 rval = qla81xx_fac_get_sector_size(vha, &size);
1548                 if (rval == QLA_SUCCESS) {
1549                         ha->flags.fac_supported = 1;
1550                         ha->fdt_block_size = size << 2;
1551                 } else {
1552                         qla_printk(KERN_ERR, ha,
1553                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1554                             ha->fw_major_version, ha->fw_minor_version,
1555                             ha->fw_subminor_version);
1556                 }
1557         }
1558 failed:
1559         if (rval) {
1560                 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1561                     vha->host_no));
1562         }
1563
1564         return (rval);
1565 }
1566
1567 /**
1568  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1569  * @ha: HA context
1570  *
1571  * Beginning of request ring has initialization control block already built
1572  * by nvram config routine.
1573  *
1574  * Returns 0 on success.
1575  */
1576 void
1577 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1578 {
1579         uint16_t cnt;
1580         response_t *pkt;
1581
1582         rsp->ring_ptr = rsp->ring;
1583         rsp->ring_index    = 0;
1584         rsp->status_srb = NULL;
1585         pkt = rsp->ring_ptr;
1586         for (cnt = 0; cnt < rsp->length; cnt++) {
1587                 pkt->signature = RESPONSE_PROCESSED;
1588                 pkt++;
1589         }
1590 }
1591
1592 /**
1593  * qla2x00_update_fw_options() - Read and process firmware options.
1594  * @ha: HA context
1595  *
1596  * Returns 0 on success.
1597  */
1598 void
1599 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1600 {
1601         uint16_t swing, emphasis, tx_sens, rx_sens;
1602         struct qla_hw_data *ha = vha->hw;
1603
1604         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1605         qla2x00_get_fw_options(vha, ha->fw_options);
1606
1607         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1608                 return;
1609
1610         /* Serial Link options. */
1611         DEBUG3(printk("scsi(%ld): Serial link options:\n",
1612             vha->host_no));
1613         DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1614             sizeof(ha->fw_seriallink_options)));
1615
1616         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1617         if (ha->fw_seriallink_options[3] & BIT_2) {
1618                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1619
1620                 /*  1G settings */
1621                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1622                 emphasis = (ha->fw_seriallink_options[2] &
1623                     (BIT_4 | BIT_3)) >> 3;
1624                 tx_sens = ha->fw_seriallink_options[0] &
1625                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1626                 rx_sens = (ha->fw_seriallink_options[0] &
1627                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1628                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1629                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1630                         if (rx_sens == 0x0)
1631                                 rx_sens = 0x3;
1632                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1633                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1634                         ha->fw_options[10] |= BIT_5 |
1635                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1636                             (tx_sens & (BIT_1 | BIT_0));
1637
1638                 /*  2G settings */
1639                 swing = (ha->fw_seriallink_options[2] &
1640                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1641                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1642                 tx_sens = ha->fw_seriallink_options[1] &
1643                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1644                 rx_sens = (ha->fw_seriallink_options[1] &
1645                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1646                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1647                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1648                         if (rx_sens == 0x0)
1649                                 rx_sens = 0x3;
1650                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1651                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1652                         ha->fw_options[11] |= BIT_5 |
1653                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1654                             (tx_sens & (BIT_1 | BIT_0));
1655         }
1656
1657         /* FCP2 options. */
1658         /*  Return command IOCBs without waiting for an ABTS to complete. */
1659         ha->fw_options[3] |= BIT_13;
1660
1661         /* LED scheme. */
1662         if (ha->flags.enable_led_scheme)
1663                 ha->fw_options[2] |= BIT_12;
1664
1665         /* Detect ISP6312. */
1666         if (IS_QLA6312(ha))
1667                 ha->fw_options[2] |= BIT_13;
1668
1669         /* Update firmware options. */
1670         qla2x00_set_fw_options(vha, ha->fw_options);
1671 }
1672
1673 void
1674 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1675 {
1676         int rval;
1677         struct qla_hw_data *ha = vha->hw;
1678
1679         if (IS_QLA82XX(ha))
1680                 return;
1681
1682         /* Update Serial Link options. */
1683         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1684                 return;
1685
1686         rval = qla2x00_set_serdes_params(vha,
1687             le16_to_cpu(ha->fw_seriallink_options24[1]),
1688             le16_to_cpu(ha->fw_seriallink_options24[2]),
1689             le16_to_cpu(ha->fw_seriallink_options24[3]));
1690         if (rval != QLA_SUCCESS) {
1691                 qla_printk(KERN_WARNING, ha,
1692                     "Unable to update Serial Link options (%x).\n", rval);
1693         }
1694 }
1695
1696 void
1697 qla2x00_config_rings(struct scsi_qla_host *vha)
1698 {
1699         struct qla_hw_data *ha = vha->hw;
1700         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1701         struct req_que *req = ha->req_q_map[0];
1702         struct rsp_que *rsp = ha->rsp_q_map[0];
1703
1704         /* Setup ring parameters in initialization control block. */
1705         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1706         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1707         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1708         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1709         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1710         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1711         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1712         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1713
1714         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1715         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1716         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1717         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1718         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1719 }
1720
1721 void
1722 qla24xx_config_rings(struct scsi_qla_host *vha)
1723 {
1724         struct qla_hw_data *ha = vha->hw;
1725         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1726         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1727         struct qla_msix_entry *msix;
1728         struct init_cb_24xx *icb;
1729         uint16_t rid = 0;
1730         struct req_que *req = ha->req_q_map[0];
1731         struct rsp_que *rsp = ha->rsp_q_map[0];
1732
1733 /* Setup ring parameters in initialization control block. */
1734         icb = (struct init_cb_24xx *)ha->init_cb;
1735         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1736         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1737         icb->request_q_length = cpu_to_le16(req->length);
1738         icb->response_q_length = cpu_to_le16(rsp->length);
1739         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1740         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1741         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1742         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1743
1744         if (ha->mqenable) {
1745                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1746                 icb->rid = __constant_cpu_to_le16(rid);
1747                 if (ha->flags.msix_enabled) {
1748                         msix = &ha->msix_entries[1];
1749                         DEBUG2_17(printk(KERN_INFO
1750                         "Registering vector 0x%x for base que\n", msix->entry));
1751                         icb->msix = cpu_to_le16(msix->entry);
1752                 }
1753                 /* Use alternate PCI bus number */
1754                 if (MSB(rid))
1755                         icb->firmware_options_2 |=
1756                                 __constant_cpu_to_le32(BIT_19);
1757                 /* Use alternate PCI devfn */
1758                 if (LSB(rid))
1759                         icb->firmware_options_2 |=
1760                                 __constant_cpu_to_le32(BIT_18);
1761
1762                 /* Use Disable MSIX Handshake mode for capable adapters */
1763                 if (IS_MSIX_NACK_CAPABLE(ha)) {
1764                         icb->firmware_options_2 &=
1765                                 __constant_cpu_to_le32(~BIT_22);
1766                         ha->flags.disable_msix_handshake = 1;
1767                         qla_printk(KERN_INFO, ha,
1768                                 "MSIX Handshake Disable Mode turned on\n");
1769                 } else {
1770                         icb->firmware_options_2 |=
1771                                 __constant_cpu_to_le32(BIT_22);
1772                 }
1773                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1774
1775                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1776                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1777                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1778                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1779         } else {
1780                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1781                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1782                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1783                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1784         }
1785         /* PCI posting */
1786         RD_REG_DWORD(&ioreg->hccr);
1787 }
1788
1789 /**
1790  * qla2x00_init_rings() - Initializes firmware.
1791  * @ha: HA context
1792  *
1793  * Beginning of request ring has initialization control block already built
1794  * by nvram config routine.
1795  *
1796  * Returns 0 on success.
1797  */
1798 static int
1799 qla2x00_init_rings(scsi_qla_host_t *vha)
1800 {
1801         int     rval;
1802         unsigned long flags = 0;
1803         int cnt, que;
1804         struct qla_hw_data *ha = vha->hw;
1805         struct req_que *req;
1806         struct rsp_que *rsp;
1807         struct scsi_qla_host *vp;
1808         struct mid_init_cb_24xx *mid_init_cb =
1809             (struct mid_init_cb_24xx *) ha->init_cb;
1810
1811         spin_lock_irqsave(&ha->hardware_lock, flags);
1812
1813         /* Clear outstanding commands array. */
1814         for (que = 0; que < ha->max_req_queues; que++) {
1815                 req = ha->req_q_map[que];
1816                 if (!req)
1817                         continue;
1818                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1819                         req->outstanding_cmds[cnt] = NULL;
1820
1821                 req->current_outstanding_cmd = 1;
1822
1823                 /* Initialize firmware. */
1824                 req->ring_ptr  = req->ring;
1825                 req->ring_index    = 0;
1826                 req->cnt      = req->length;
1827         }
1828
1829         for (que = 0; que < ha->max_rsp_queues; que++) {
1830                 rsp = ha->rsp_q_map[que];
1831                 if (!rsp)
1832                         continue;
1833                 /* Initialize response queue entries */
1834                 qla2x00_init_response_q_entries(rsp);
1835         }
1836
1837         spin_lock(&ha->vport_slock);
1838         /* Clear RSCN queue. */
1839         list_for_each_entry(vp, &ha->vp_list, list) {
1840                 vp->rscn_in_ptr = 0;
1841                 vp->rscn_out_ptr = 0;
1842         }
1843
1844         spin_unlock(&ha->vport_slock);
1845
1846         ha->isp_ops->config_rings(vha);
1847
1848         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1849
1850         /* Update any ISP specific firmware options before initialization. */
1851         ha->isp_ops->update_fw_options(vha);
1852
1853         DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1854
1855         if (ha->flags.npiv_supported) {
1856                 if (ha->operating_mode == LOOP)
1857                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1858                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1859         }
1860
1861         if (IS_FWI2_CAPABLE(ha)) {
1862                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1863                 mid_init_cb->init_cb.execution_throttle =
1864                     cpu_to_le16(ha->fw_xcb_count);
1865         }
1866
1867         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1868         if (rval) {
1869                 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1870                     vha->host_no));
1871         } else {
1872                 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1873                     vha->host_no));
1874         }
1875
1876         return (rval);
1877 }
1878
1879 /**
1880  * qla2x00_fw_ready() - Waits for firmware ready.
1881  * @ha: HA context
1882  *
1883  * Returns 0 on success.
1884  */
1885 static int
1886 qla2x00_fw_ready(scsi_qla_host_t *vha)
1887 {
1888         int             rval;
1889         unsigned long   wtime, mtime, cs84xx_time;
1890         uint16_t        min_wait;       /* Minimum wait time if loop is down */
1891         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1892         uint16_t        state[5];
1893         struct qla_hw_data *ha = vha->hw;
1894
1895         rval = QLA_SUCCESS;
1896
1897         /* 20 seconds for loop down. */
1898         min_wait = 20;
1899
1900         /*
1901          * Firmware should take at most one RATOV to login, plus 5 seconds for
1902          * our own processing.
1903          */
1904         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1905                 wait_time = min_wait;
1906         }
1907
1908         /* Min wait time if loop down */
1909         mtime = jiffies + (min_wait * HZ);
1910
1911         /* wait time before firmware ready */
1912         wtime = jiffies + (wait_time * HZ);
1913
1914         /* Wait for ISP to finish LIP */
1915         if (!vha->flags.init_done)
1916                 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1917
1918         DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1919             vha->host_no));
1920
1921         do {
1922                 rval = qla2x00_get_firmware_state(vha, state);
1923                 if (rval == QLA_SUCCESS) {
1924                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
1925                                 vha->device_flags &= ~DFLG_NO_CABLE;
1926                         }
1927                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1928                                 DEBUG16(printk("scsi(%ld): fw_state=%x "
1929                                     "84xx=%x.\n", vha->host_no, state[0],
1930                                     state[2]));
1931                                 if ((state[2] & FSTATE_LOGGED_IN) &&
1932                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1933                                         DEBUG16(printk("scsi(%ld): Sending "
1934                                             "verify iocb.\n", vha->host_no));
1935
1936                                         cs84xx_time = jiffies;
1937                                         rval = qla84xx_init_chip(vha);
1938                                         if (rval != QLA_SUCCESS)
1939                                                 break;
1940
1941                                         /* Add time taken to initialize. */
1942                                         cs84xx_time = jiffies - cs84xx_time;
1943                                         wtime += cs84xx_time;
1944                                         mtime += cs84xx_time;
1945                                         DEBUG16(printk("scsi(%ld): Increasing "
1946                                             "wait time by %ld. New time %ld\n",
1947                                             vha->host_no, cs84xx_time, wtime));
1948                                 }
1949                         } else if (state[0] == FSTATE_READY) {
1950                                 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1951                                     vha->host_no));
1952
1953                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1954                                     &ha->login_timeout, &ha->r_a_tov);
1955
1956                                 rval = QLA_SUCCESS;
1957                                 break;
1958                         }
1959
1960                         rval = QLA_FUNCTION_FAILED;
1961
1962                         if (atomic_read(&vha->loop_down_timer) &&
1963                             state[0] != FSTATE_READY) {
1964                                 /* Loop down. Timeout on min_wait for states
1965                                  * other than Wait for Login.
1966                                  */
1967                                 if (time_after_eq(jiffies, mtime)) {
1968                                         qla_printk(KERN_INFO, ha,
1969                                             "Cable is unplugged...\n");
1970
1971                                         vha->device_flags |= DFLG_NO_CABLE;
1972                                         break;
1973                                 }
1974                         }
1975                 } else {
1976                         /* Mailbox cmd failed. Timeout on min_wait. */
1977                         if (time_after_eq(jiffies, mtime) ||
1978                                 ha->flags.isp82xx_fw_hung)
1979                                 break;
1980                 }
1981
1982                 if (time_after_eq(jiffies, wtime))
1983                         break;
1984
1985                 /* Delay for a while */
1986                 msleep(500);
1987
1988                 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1989                     vha->host_no, state[0], jiffies));
1990         } while (1);
1991
1992         DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1993             vha->host_no, state[0], state[1], state[2], state[3], state[4],
1994             jiffies));
1995
1996         if (rval) {
1997                 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1998                     vha->host_no));
1999         }
2000
2001         return (rval);
2002 }
2003
2004 /*
2005 *  qla2x00_configure_hba
2006 *      Setup adapter context.
2007 *
2008 * Input:
2009 *      ha = adapter state pointer.
2010 *
2011 * Returns:
2012 *      0 = success
2013 *
2014 * Context:
2015 *      Kernel context.
2016 */
2017 static int
2018 qla2x00_configure_hba(scsi_qla_host_t *vha)
2019 {
2020         int       rval;
2021         uint16_t      loop_id;
2022         uint16_t      topo;
2023         uint16_t      sw_cap;
2024         uint8_t       al_pa;
2025         uint8_t       area;
2026         uint8_t       domain;
2027         char            connect_type[22];
2028         struct qla_hw_data *ha = vha->hw;
2029
2030         /* Get host addresses. */
2031         rval = qla2x00_get_adapter_id(vha,
2032             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2033         if (rval != QLA_SUCCESS) {
2034                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2035                     IS_QLA8XXX_TYPE(ha) ||
2036                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2037                         DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
2038                             __func__, vha->host_no));
2039                 } else {
2040                         qla_printk(KERN_WARNING, ha,
2041                             "ERROR -- Unable to get host loop ID.\n");
2042                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2043                 }
2044                 return (rval);
2045         }
2046
2047         if (topo == 4) {
2048                 qla_printk(KERN_INFO, ha,
2049                         "Cannot get topology - retrying.\n");
2050                 return (QLA_FUNCTION_FAILED);
2051         }
2052
2053         vha->loop_id = loop_id;
2054
2055         /* initialize */
2056         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2057         ha->operating_mode = LOOP;
2058         ha->switch_cap = 0;
2059
2060         switch (topo) {
2061         case 0:
2062                 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
2063                     vha->host_no));
2064                 ha->current_topology = ISP_CFG_NL;
2065                 strcpy(connect_type, "(Loop)");
2066                 break;
2067
2068         case 1:
2069                 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
2070                     vha->host_no));
2071                 ha->switch_cap = sw_cap;
2072                 ha->current_topology = ISP_CFG_FL;
2073                 strcpy(connect_type, "(FL_Port)");
2074                 break;
2075
2076         case 2:
2077                 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
2078                     vha->host_no));
2079                 ha->operating_mode = P2P;
2080                 ha->current_topology = ISP_CFG_N;
2081                 strcpy(connect_type, "(N_Port-to-N_Port)");
2082                 break;
2083
2084         case 3:
2085                 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
2086                     vha->host_no));
2087                 ha->switch_cap = sw_cap;
2088                 ha->operating_mode = P2P;
2089                 ha->current_topology = ISP_CFG_F;
2090                 strcpy(connect_type, "(F_Port)");
2091                 break;
2092
2093         default:
2094                 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
2095                     "Using NL.\n",
2096                     vha->host_no, topo));
2097                 ha->current_topology = ISP_CFG_NL;
2098                 strcpy(connect_type, "(Loop)");
2099                 break;
2100         }
2101
2102         /* Save Host port and loop ID. */
2103         /* byte order - Big Endian */
2104         vha->d_id.b.domain = domain;
2105         vha->d_id.b.area = area;
2106         vha->d_id.b.al_pa = al_pa;
2107
2108         if (!vha->flags.init_done)
2109                 qla_printk(KERN_INFO, ha,
2110                     "Topology - %s, Host Loop address 0x%x\n",
2111                     connect_type, vha->loop_id);
2112
2113         if (rval) {
2114                 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
2115         } else {
2116                 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
2117         }
2118
2119         return(rval);
2120 }
2121
2122 inline void
2123 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2124         char *def)
2125 {
2126         char *st, *en;
2127         uint16_t index;
2128         struct qla_hw_data *ha = vha->hw;
2129         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2130             !IS_QLA8XXX_TYPE(ha);
2131
2132         if (memcmp(model, BINZERO, len) != 0) {
2133                 strncpy(ha->model_number, model, len);
2134                 st = en = ha->model_number;
2135                 en += len - 1;
2136                 while (en > st) {
2137                         if (*en != 0x20 && *en != 0x00)
2138                                 break;
2139                         *en-- = '\0';
2140                 }
2141
2142                 index = (ha->pdev->subsystem_device & 0xff);
2143                 if (use_tbl &&
2144                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2145                     index < QLA_MODEL_NAMES)
2146                         strncpy(ha->model_desc,
2147                             qla2x00_model_name[index * 2 + 1],
2148                             sizeof(ha->model_desc) - 1);
2149         } else {
2150                 index = (ha->pdev->subsystem_device & 0xff);
2151                 if (use_tbl &&
2152                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2153                     index < QLA_MODEL_NAMES) {
2154                         strcpy(ha->model_number,
2155                             qla2x00_model_name[index * 2]);
2156                         strncpy(ha->model_desc,
2157                             qla2x00_model_name[index * 2 + 1],
2158                             sizeof(ha->model_desc) - 1);
2159                 } else {
2160                         strcpy(ha->model_number, def);
2161                 }
2162         }
2163         if (IS_FWI2_CAPABLE(ha))
2164                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2165                     sizeof(ha->model_desc));
2166 }
2167
2168 /* On sparc systems, obtain port and node WWN from firmware
2169  * properties.
2170  */
2171 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2172 {
2173 #ifdef CONFIG_SPARC
2174         struct qla_hw_data *ha = vha->hw;
2175         struct pci_dev *pdev = ha->pdev;
2176         struct device_node *dp = pci_device_to_OF_node(pdev);
2177         const u8 *val;
2178         int len;
2179
2180         val = of_get_property(dp, "port-wwn", &len);
2181         if (val && len >= WWN_SIZE)
2182                 memcpy(nv->port_name, val, WWN_SIZE);
2183
2184         val = of_get_property(dp, "node-wwn", &len);
2185         if (val && len >= WWN_SIZE)
2186                 memcpy(nv->node_name, val, WWN_SIZE);
2187 #endif
2188 }
2189
2190 /*
2191 * NVRAM configuration for ISP 2xxx
2192 *
2193 * Input:
2194 *      ha                = adapter block pointer.
2195 *
2196 * Output:
2197 *      initialization control block in response_ring
2198 *      host adapters parameters in host adapter block
2199 *
2200 * Returns:
2201 *      0 = success.
2202 */
2203 int
2204 qla2x00_nvram_config(scsi_qla_host_t *vha)
2205 {
2206         int             rval;
2207         uint8_t         chksum = 0;
2208         uint16_t        cnt;
2209         uint8_t         *dptr1, *dptr2;
2210         struct qla_hw_data *ha = vha->hw;
2211         init_cb_t       *icb = ha->init_cb;
2212         nvram_t         *nv = ha->nvram;
2213         uint8_t         *ptr = ha->nvram;
2214         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2215
2216         rval = QLA_SUCCESS;
2217
2218         /* Determine NVRAM starting address. */
2219         ha->nvram_size = sizeof(nvram_t);
2220         ha->nvram_base = 0;
2221         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2222                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2223                         ha->nvram_base = 0x80;
2224
2225         /* Get NVRAM data and calculate checksum. */
2226         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2227         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2228                 chksum += *ptr++;
2229
2230         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
2231         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
2232
2233         /* Bad NVRAM data, set defaults parameters. */
2234         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2235             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2236                 /* Reset NVRAM data. */
2237                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
2238                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
2239                     nv->nvram_version);
2240                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
2241                     "invalid -- WWPN) defaults.\n");
2242
2243                 /*
2244                  * Set default initialization control block.
2245                  */
2246                 memset(nv, 0, ha->nvram_size);
2247                 nv->parameter_block_version = ICB_VERSION;
2248
2249                 if (IS_QLA23XX(ha)) {
2250                         nv->firmware_options[0] = BIT_2 | BIT_1;
2251                         nv->firmware_options[1] = BIT_7 | BIT_5;
2252                         nv->add_firmware_options[0] = BIT_5;
2253                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2254                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
2255                         nv->special_options[1] = BIT_7;
2256                 } else if (IS_QLA2200(ha)) {
2257                         nv->firmware_options[0] = BIT_2 | BIT_1;
2258                         nv->firmware_options[1] = BIT_7 | BIT_5;
2259                         nv->add_firmware_options[0] = BIT_5;
2260                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2261                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2262                 } else if (IS_QLA2100(ha)) {
2263                         nv->firmware_options[0] = BIT_3 | BIT_1;
2264                         nv->firmware_options[1] = BIT_5;
2265                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
2266                 }
2267
2268                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2269                 nv->execution_throttle = __constant_cpu_to_le16(16);
2270                 nv->retry_count = 8;
2271                 nv->retry_delay = 1;
2272
2273                 nv->port_name[0] = 33;
2274                 nv->port_name[3] = 224;
2275                 nv->port_name[4] = 139;
2276
2277                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2278
2279                 nv->login_timeout = 4;
2280
2281                 /*
2282                  * Set default host adapter parameters
2283                  */
2284                 nv->host_p[1] = BIT_2;
2285                 nv->reset_delay = 5;
2286                 nv->port_down_retry_count = 8;
2287                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2288                 nv->link_down_timeout = 60;
2289
2290                 rval = 1;
2291         }
2292
2293 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2294         /*
2295          * The SN2 does not provide BIOS emulation which means you can't change
2296          * potentially bogus BIOS settings. Force the use of default settings
2297          * for link rate and frame size.  Hope that the rest of the settings
2298          * are valid.
2299          */
2300         if (ia64_platform_is("sn2")) {
2301                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2302                 if (IS_QLA23XX(ha))
2303                         nv->special_options[1] = BIT_7;
2304         }
2305 #endif
2306
2307         /* Reset Initialization control block */
2308         memset(icb, 0, ha->init_cb_size);
2309
2310         /*
2311          * Setup driver NVRAM options.
2312          */
2313         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2314         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2315         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2316         nv->firmware_options[1] &= ~BIT_4;
2317
2318         if (IS_QLA23XX(ha)) {
2319                 nv->firmware_options[0] |= BIT_2;
2320                 nv->firmware_options[0] &= ~BIT_3;
2321                 nv->firmware_options[0] &= ~BIT_6;
2322                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2323
2324                 if (IS_QLA2300(ha)) {
2325                         if (ha->fb_rev == FPM_2310) {
2326                                 strcpy(ha->model_number, "QLA2310");
2327                         } else {
2328                                 strcpy(ha->model_number, "QLA2300");
2329                         }
2330                 } else {
2331                         qla2x00_set_model_info(vha, nv->model_number,
2332                             sizeof(nv->model_number), "QLA23xx");
2333                 }
2334         } else if (IS_QLA2200(ha)) {
2335                 nv->firmware_options[0] |= BIT_2;
2336                 /*
2337                  * 'Point-to-point preferred, else loop' is not a safe
2338                  * connection mode setting.
2339                  */
2340                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2341                     (BIT_5 | BIT_4)) {
2342                         /* Force 'loop preferred, else point-to-point'. */
2343                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2344                         nv->add_firmware_options[0] |= BIT_5;
2345                 }
2346                 strcpy(ha->model_number, "QLA22xx");
2347         } else /*if (IS_QLA2100(ha))*/ {
2348                 strcpy(ha->model_number, "QLA2100");
2349         }
2350
2351         /*
2352          * Copy over NVRAM RISC parameter block to initialization control block.
2353          */
2354         dptr1 = (uint8_t *)icb;
2355         dptr2 = (uint8_t *)&nv->parameter_block_version;
2356         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2357         while (cnt--)
2358                 *dptr1++ = *dptr2++;
2359
2360         /* Copy 2nd half. */
2361         dptr1 = (uint8_t *)icb->add_firmware_options;
2362         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2363         while (cnt--)
2364                 *dptr1++ = *dptr2++;
2365
2366         /* Use alternate WWN? */
2367         if (nv->host_p[1] & BIT_7) {
2368                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2369                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2370         }
2371
2372         /* Prepare nodename */
2373         if ((icb->firmware_options[1] & BIT_6) == 0) {
2374                 /*
2375                  * Firmware will apply the following mask if the nodename was
2376                  * not provided.
2377                  */
2378                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2379                 icb->node_name[0] &= 0xF0;
2380         }
2381
2382         /*
2383          * Set host adapter parameters.
2384          */
2385         if (nv->host_p[0] & BIT_7)
2386                 ql2xextended_error_logging = 1;
2387         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2388         /* Always load RISC code on non ISP2[12]00 chips. */
2389         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2390                 ha->flags.disable_risc_code_load = 0;
2391         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2392         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2393         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2394         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2395         ha->flags.disable_serdes = 0;
2396
2397         ha->operating_mode =
2398             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2399
2400         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2401             sizeof(ha->fw_seriallink_options));
2402
2403         /* save HBA serial number */
2404         ha->serial0 = icb->port_name[5];
2405         ha->serial1 = icb->port_name[6];
2406         ha->serial2 = icb->port_name[7];
2407         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2408         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2409
2410         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2411
2412         ha->retry_count = nv->retry_count;
2413
2414         /* Set minimum login_timeout to 4 seconds. */
2415         if (nv->login_timeout != ql2xlogintimeout)
2416                 nv->login_timeout = ql2xlogintimeout;
2417         if (nv->login_timeout < 4)
2418                 nv->login_timeout = 4;
2419         ha->login_timeout = nv->login_timeout;
2420         icb->login_timeout = nv->login_timeout;
2421
2422         /* Set minimum RATOV to 100 tenths of a second. */
2423         ha->r_a_tov = 100;
2424
2425         ha->loop_reset_delay = nv->reset_delay;
2426
2427         /* Link Down Timeout = 0:
2428          *
2429          *      When Port Down timer expires we will start returning
2430          *      I/O's to OS with "DID_NO_CONNECT".
2431          *
2432          * Link Down Timeout != 0:
2433          *
2434          *       The driver waits for the link to come up after link down
2435          *       before returning I/Os to OS with "DID_NO_CONNECT".
2436          */
2437         if (nv->link_down_timeout == 0) {
2438                 ha->loop_down_abort_time =
2439                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2440         } else {
2441                 ha->link_down_timeout =  nv->link_down_timeout;
2442                 ha->loop_down_abort_time =
2443                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2444         }
2445
2446         /*
2447          * Need enough time to try and get the port back.
2448          */
2449         ha->port_down_retry_count = nv->port_down_retry_count;
2450         if (qlport_down_retry)
2451                 ha->port_down_retry_count = qlport_down_retry;
2452         /* Set login_retry_count */
2453         ha->login_retry_count  = nv->retry_count;
2454         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2455             ha->port_down_retry_count > 3)
2456                 ha->login_retry_count = ha->port_down_retry_count;
2457         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2458                 ha->login_retry_count = ha->port_down_retry_count;
2459         if (ql2xloginretrycount)
2460                 ha->login_retry_count = ql2xloginretrycount;
2461
2462         icb->lun_enables = __constant_cpu_to_le16(0);
2463         icb->command_resource_count = 0;
2464         icb->immediate_notify_resource_count = 0;
2465         icb->timeout = __constant_cpu_to_le16(0);
2466
2467         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2468                 /* Enable RIO */
2469                 icb->firmware_options[0] &= ~BIT_3;
2470                 icb->add_firmware_options[0] &=
2471                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2472                 icb->add_firmware_options[0] |= BIT_2;
2473                 icb->response_accumulation_timer = 3;
2474                 icb->interrupt_delay_timer = 5;
2475
2476                 vha->flags.process_response_queue = 1;
2477         } else {
2478                 /* Enable ZIO. */
2479                 if (!vha->flags.init_done) {
2480                         ha->zio_mode = icb->add_firmware_options[0] &
2481                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2482                         ha->zio_timer = icb->interrupt_delay_timer ?
2483                             icb->interrupt_delay_timer: 2;
2484                 }
2485                 icb->add_firmware_options[0] &=
2486                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2487                 vha->flags.process_response_queue = 0;
2488                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2489                         ha->zio_mode = QLA_ZIO_MODE_6;
2490
2491                         DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
2492                             "delay (%d us).\n", vha->host_no, ha->zio_mode,
2493                             ha->zio_timer * 100));
2494                         qla_printk(KERN_INFO, ha,
2495                             "ZIO mode %d enabled; timer delay (%d us).\n",
2496                             ha->zio_mode, ha->zio_timer * 100);
2497
2498                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2499                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2500                         vha->flags.process_response_queue = 1;
2501                 }
2502         }
2503
2504         if (rval) {
2505                 DEBUG2_3(printk(KERN_WARNING
2506                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
2507         }
2508         return (rval);
2509 }
2510
2511 static void
2512 qla2x00_rport_del(void *data)
2513 {
2514         fc_port_t *fcport = data;
2515         struct fc_rport *rport;
2516         unsigned long flags;
2517
2518         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2519         rport = fcport->drport ? fcport->drport: fcport->rport;
2520         fcport->drport = NULL;
2521         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2522         if (rport)
2523                 fc_remote_port_delete(rport);
2524 }
2525
2526 /**
2527  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2528  * @ha: HA context
2529  * @flags: allocation flags
2530  *
2531  * Returns a pointer to the allocated fcport, or NULL, if none available.
2532  */
2533 fc_port_t *
2534 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2535 {
2536         fc_port_t *fcport;
2537
2538         fcport = kzalloc(sizeof(fc_port_t), flags);
2539         if (!fcport)
2540                 return NULL;
2541
2542         /* Setup fcport template structure. */
2543         fcport->vha = vha;
2544         fcport->vp_idx = vha->vp_idx;
2545         fcport->port_type = FCT_UNKNOWN;
2546         fcport->loop_id = FC_NO_LOOP_ID;
2547         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2548         fcport->supported_classes = FC_COS_UNSPECIFIED;
2549
2550         return fcport;
2551 }
2552
2553 /*
2554  * qla2x00_configure_loop
2555  *      Updates Fibre Channel Device Database with what is actually on loop.
2556  *
2557  * Input:
2558  *      ha                = adapter block pointer.
2559  *
2560  * Returns:
2561  *      0 = success.
2562  *      1 = error.
2563  *      2 = database was full and device was not configured.
2564  */
2565 static int
2566 qla2x00_configure_loop(scsi_qla_host_t *vha)
2567 {
2568         int  rval;
2569         unsigned long flags, save_flags;
2570         struct qla_hw_data *ha = vha->hw;
2571         rval = QLA_SUCCESS;
2572
2573         /* Get Initiator ID */
2574         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2575                 rval = qla2x00_configure_hba(vha);
2576                 if (rval != QLA_SUCCESS) {
2577                         DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2578                             vha->host_no));
2579                         return (rval);
2580                 }
2581         }
2582
2583         save_flags = flags = vha->dpc_flags;
2584         DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2585             vha->host_no, flags));
2586
2587         /*
2588          * If we have both an RSCN and PORT UPDATE pending then handle them
2589          * both at the same time.
2590          */
2591         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2592         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2593
2594         qla2x00_get_data_rate(vha);
2595
2596         /* Determine what we need to do */
2597         if (ha->current_topology == ISP_CFG_FL &&
2598             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2599
2600                 vha->flags.rscn_queue_overflow = 1;
2601                 set_bit(RSCN_UPDATE, &flags);
2602
2603         } else if (ha->current_topology == ISP_CFG_F &&
2604             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2605
2606                 vha->flags.rscn_queue_overflow = 1;
2607                 set_bit(RSCN_UPDATE, &flags);
2608                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2609
2610         } else if (ha->current_topology == ISP_CFG_N) {
2611                 clear_bit(RSCN_UPDATE, &flags);
2612
2613         } else if (!vha->flags.online ||
2614             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2615
2616                 vha->flags.rscn_queue_overflow = 1;
2617                 set_bit(RSCN_UPDATE, &flags);
2618                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2619         }
2620
2621         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2622                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2623                         rval = QLA_FUNCTION_FAILED;
2624                 else
2625                         rval = qla2x00_configure_local_loop(vha);
2626         }
2627
2628         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2629                 if (LOOP_TRANSITION(vha))
2630                         rval = QLA_FUNCTION_FAILED;
2631                 else
2632                         rval = qla2x00_configure_fabric(vha);
2633         }
2634
2635         if (rval == QLA_SUCCESS) {
2636                 if (atomic_read(&vha->loop_down_timer) ||
2637                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2638                         rval = QLA_FUNCTION_FAILED;
2639                 } else {
2640                         atomic_set(&vha->loop_state, LOOP_READY);
2641
2642                         DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2643                 }
2644         }
2645
2646         if (rval) {
2647                 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2648                     __func__, vha->host_no));
2649         } else {
2650                 DEBUG3(printk("%s: exiting normally\n", __func__));
2651         }
2652
2653         /* Restore state if a resync event occurred during processing */
2654         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2655                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2656                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2657                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2658                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2659                         if (!IS_ALOGIO_CAPABLE(ha))
2660                                 vha->flags.rscn_queue_overflow = 1;
2661                 }
2662         }
2663
2664         return (rval);
2665 }
2666
2667
2668
2669 /*
2670  * qla2x00_configure_local_loop
2671  *      Updates Fibre Channel Device Database with local loop devices.
2672  *
2673  * Input:
2674  *      ha = adapter block pointer.
2675  *
2676  * Returns:
2677  *      0 = success.
2678  */
2679 static int
2680 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2681 {
2682         int             rval, rval2;
2683         int             found_devs;
2684         int             found;
2685         fc_port_t       *fcport, *new_fcport;
2686
2687         uint16_t        index;
2688         uint16_t        entries;
2689         char            *id_iter;
2690         uint16_t        loop_id;
2691         uint8_t         domain, area, al_pa;
2692         struct qla_hw_data *ha = vha->hw;
2693
2694         found_devs = 0;
2695         new_fcport = NULL;
2696         entries = MAX_FIBRE_DEVICES;
2697
2698         DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2699         DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2700
2701         /* Get list of logged in devices. */
2702         memset(ha->gid_list, 0, GID_LIST_SIZE);
2703         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2704             &entries);
2705         if (rval != QLA_SUCCESS)
2706                 goto cleanup_allocation;
2707
2708         DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2709             vha->host_no, entries));
2710         DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2711             entries * sizeof(struct gid_list_info)));
2712
2713         /* Allocate temporary fcport for any new fcports discovered. */
2714         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2715         if (new_fcport == NULL) {
2716                 rval = QLA_MEMORY_ALLOC_FAILED;
2717                 goto cleanup_allocation;
2718         }
2719         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2720
2721         /*
2722          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2723          */
2724         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2725                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2726                     fcport->port_type != FCT_BROADCAST &&
2727                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2728
2729                         DEBUG(printk("scsi(%ld): Marking port lost, "
2730                             "loop_id=0x%04x\n",
2731                             vha->host_no, fcport->loop_id));
2732
2733                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2734                 }
2735         }
2736
2737         /* Add devices to port list. */
2738         id_iter = (char *)ha->gid_list;
2739         for (index = 0; index < entries; index++) {
2740                 domain = ((struct gid_list_info *)id_iter)->domain;
2741                 area = ((struct gid_list_info *)id_iter)->area;
2742                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2743                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2744                         loop_id = (uint16_t)
2745                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2746                 else
2747                         loop_id = le16_to_cpu(
2748                             ((struct gid_list_info *)id_iter)->loop_id);
2749                 id_iter += ha->gid_list_info_size;
2750
2751                 /* Bypass reserved domain fields. */
2752                 if ((domain & 0xf0) == 0xf0)
2753                         continue;
2754
2755                 /* Bypass if not same domain and area of adapter. */
2756                 if (area && domain &&
2757                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2758                         continue;
2759
2760                 /* Bypass invalid local loop ID. */
2761                 if (loop_id > LAST_LOCAL_LOOP_ID)
2762                         continue;
2763
2764                 /* Fill in member data. */
2765                 new_fcport->d_id.b.domain = domain;
2766                 new_fcport->d_id.b.area = area;
2767                 new_fcport->d_id.b.al_pa = al_pa;
2768                 new_fcport->loop_id = loop_id;
2769                 new_fcport->vp_idx = vha->vp_idx;
2770                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2771                 if (rval2 != QLA_SUCCESS) {
2772                         DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2773                             "information -- get_port_database=%x, "
2774                             "loop_id=0x%04x\n",
2775                             vha->host_no, rval2, new_fcport->loop_id));
2776                         DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2777                             vha->host_no));
2778                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2779                         continue;
2780                 }
2781
2782                 /* Check for matching device in port list. */
2783                 found = 0;
2784                 fcport = NULL;
2785                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2786                         if (memcmp(new_fcport->port_name, fcport->port_name,
2787                             WWN_SIZE))
2788                                 continue;
2789
2790                         fcport->flags &= ~FCF_FABRIC_DEVICE;
2791                         fcport->loop_id = new_fcport->loop_id;
2792                         fcport->port_type = new_fcport->port_type;
2793                         fcport->d_id.b24 = new_fcport->d_id.b24;
2794                         memcpy(fcport->node_name, new_fcport->node_name,
2795                             WWN_SIZE);
2796
2797                         found++;
2798                         break;
2799                 }
2800
2801                 if (!found) {
2802                         /* New device, add to fcports list. */
2803                         if (vha->vp_idx) {
2804                                 new_fcport->vha = vha;
2805                                 new_fcport->vp_idx = vha->vp_idx;
2806                         }
2807                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
2808
2809                         /* Allocate a new replacement fcport. */
2810                         fcport = new_fcport;
2811                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2812                         if (new_fcport == NULL) {
2813                                 rval = QLA_MEMORY_ALLOC_FAILED;
2814                                 goto cleanup_allocation;
2815                         }
2816                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2817                 }
2818
2819                 /* Base iIDMA settings on HBA port speed. */
2820                 fcport->fp_speed = ha->link_data_rate;
2821
2822                 qla2x00_update_fcport(vha, fcport);
2823
2824                 found_devs++;
2825         }
2826
2827 cleanup_allocation:
2828         kfree(new_fcport);
2829
2830         if (rval != QLA_SUCCESS) {
2831                 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2832                     "rval=%x\n", vha->host_no, rval));
2833         }
2834
2835         return (rval);
2836 }
2837
2838 static void
2839 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2840 {
2841 #define LS_UNKNOWN      2
2842         static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2843         char *link_speed;
2844         int rval;
2845         uint16_t mb[4];
2846         struct qla_hw_data *ha = vha->hw;
2847
2848         if (!IS_IIDMA_CAPABLE(ha))
2849                 return;
2850
2851         if (atomic_read(&fcport->state) != FCS_ONLINE)
2852                 return;
2853
2854         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2855             fcport->fp_speed > ha->link_data_rate)
2856                 return;
2857
2858         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2859             mb);
2860         if (rval != QLA_SUCCESS) {
2861                 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2862                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2863                     vha->host_no, fcport->port_name[0], fcport->port_name[1],
2864                     fcport->port_name[2], fcport->port_name[3],
2865                     fcport->port_name[4], fcport->port_name[5],
2866                     fcport->port_name[6], fcport->port_name[7], rval,
2867                     fcport->fp_speed, mb[0], mb[1]));
2868         } else {
2869                 link_speed = link_speeds[LS_UNKNOWN];
2870                 if (fcport->fp_speed < 5)
2871                         link_speed = link_speeds[fcport->fp_speed];
2872                 else if (fcport->fp_speed == 0x13)
2873                         link_speed = link_speeds[5];
2874                 DEBUG2(qla_printk(KERN_INFO, ha,
2875                     "iIDMA adjusted to %s GB/s on "
2876                     "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2877                     link_speed, fcport->port_name[0],
2878                     fcport->port_name[1], fcport->port_name[2],
2879                     fcport->port_name[3], fcport->port_name[4],
2880                     fcport->port_name[5], fcport->port_name[6],
2881                     fcport->port_name[7]));
2882         }
2883 }
2884
2885 static void
2886 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2887 {
2888         struct fc_rport_identifiers rport_ids;
2889         struct fc_rport *rport;
2890         struct qla_hw_data *ha = vha->hw;
2891         unsigned long flags;
2892
2893         qla2x00_rport_del(fcport);
2894
2895         rport_ids.node_name = wwn_to_u64(fcport->node_name);
2896         rport_ids.port_name = wwn_to_u64(fcport->port_name);
2897         rport_ids.port_id = fcport->d_id.b.domain << 16 |
2898             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2899         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2900         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2901         if (!rport) {
2902                 qla_printk(KERN_WARNING, ha,
2903                     "Unable to allocate fc remote port!\n");
2904                 return;
2905         }
2906         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2907         *((fc_port_t **)rport->dd_data) = fcport;
2908         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2909
2910         rport->supported_classes = fcport->supported_classes;
2911
2912         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2913         if (fcport->port_type == FCT_INITIATOR)
2914                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2915         if (fcport->port_type == FCT_TARGET)
2916                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2917         fc_remote_port_rolechg(rport, rport_ids.roles);
2918 }
2919
2920 /*
2921  * qla2x00_update_fcport
2922  *      Updates device on list.
2923  *
2924  * Input:
2925  *      ha = adapter block pointer.
2926  *      fcport = port structure pointer.
2927  *
2928  * Return:
2929  *      0  - Success
2930  *  BIT_0 - error
2931  *
2932  * Context:
2933  *      Kernel context.
2934  */
2935 void
2936 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2937 {
2938         fcport->vha = vha;
2939         fcport->login_retry = 0;
2940         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
2941
2942         qla2x00_iidma_fcport(vha, fcport);
2943         qla24xx_update_fcport_fcp_prio(vha, fcport);
2944         qla2x00_reg_remote_port(vha, fcport);
2945         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
2946 }
2947
2948 /*
2949  * qla2x00_configure_fabric
2950  *      Setup SNS devices with loop ID's.
2951  *
2952  * Input:
2953  *      ha = adapter block pointer.
2954  *
2955  * Returns:
2956  *      0 = success.
2957  *      BIT_0 = error
2958  */
2959 static int
2960 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2961 {
2962         int     rval, rval2;
2963         fc_port_t       *fcport, *fcptemp;
2964         uint16_t        next_loopid;
2965         uint16_t        mb[MAILBOX_REGISTER_COUNT];
2966         uint16_t        loop_id;
2967         LIST_HEAD(new_fcports);
2968         struct qla_hw_data *ha = vha->hw;
2969         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2970
2971         /* If FL port exists, then SNS is present */
2972         if (IS_FWI2_CAPABLE(ha))
2973                 loop_id = NPH_F_PORT;
2974         else
2975                 loop_id = SNS_FL_PORT;
2976         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2977         if (rval != QLA_SUCCESS) {
2978                 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2979                     "Port\n", vha->host_no));
2980
2981                 vha->device_flags &= ~SWITCH_FOUND;
2982                 return (QLA_SUCCESS);
2983         }
2984         vha->device_flags |= SWITCH_FOUND;
2985
2986         /* Mark devices that need re-synchronization. */
2987         rval2 = qla2x00_device_resync(vha);
2988         if (rval2 == QLA_RSCNS_HANDLED) {
2989                 /* No point doing the scan, just continue. */
2990                 return (QLA_SUCCESS);
2991         }
2992         do {
2993                 /* FDMI support. */
2994                 if (ql2xfdmienable &&
2995                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2996                         qla2x00_fdmi_register(vha);
2997
2998                 /* Ensure we are logged into the SNS. */
2999                 if (IS_FWI2_CAPABLE(ha))
3000                         loop_id = NPH_SNS;
3001                 else
3002                         loop_id = SIMPLE_NAME_SERVER;
3003                 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3004                     0xfc, mb, BIT_1 | BIT_0);
3005                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3006                         DEBUG2(qla_printk(KERN_INFO, ha,
3007                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
3008                             "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
3009                             mb[0], mb[1], mb[2], mb[6], mb[7]));
3010                         return (QLA_SUCCESS);
3011                 }
3012
3013                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3014                         if (qla2x00_rft_id(vha)) {
3015                                 /* EMPTY */
3016                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
3017                                     "TYPE failed.\n", vha->host_no));
3018                         }
3019                         if (qla2x00_rff_id(vha)) {
3020                                 /* EMPTY */
3021                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
3022                                     "Features failed.\n", vha->host_no));
3023                         }
3024                         if (qla2x00_rnn_id(vha)) {
3025                                 /* EMPTY */
3026                                 DEBUG2(printk("scsi(%ld): Register Node Name "
3027                                     "failed.\n", vha->host_no));
3028                         } else if (qla2x00_rsnn_nn(vha)) {
3029                                 /* EMPTY */
3030                                 DEBUG2(printk("scsi(%ld): Register Symbolic "
3031                                     "Node Name failed.\n", vha->host_no));
3032                         }
3033                 }
3034
3035                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3036                 if (rval != QLA_SUCCESS)
3037                         break;
3038
3039                 /*
3040                  * Logout all previous fabric devices marked lost, except
3041                  * FCP2 devices.
3042                  */
3043                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3044                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3045                                 break;
3046
3047                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3048                                 continue;
3049
3050                         if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3051                                 qla2x00_mark_device_lost(vha, fcport,
3052                                     ql2xplogiabsentdevice, 0);
3053                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
3054                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3055                                     fcport->port_type != FCT_INITIATOR &&
3056                                     fcport->port_type != FCT_BROADCAST) {
3057                                         ha->isp_ops->fabric_logout(vha,
3058                                             fcport->loop_id,
3059                                             fcport->d_id.b.domain,
3060                                             fcport->d_id.b.area,
3061                                             fcport->d_id.b.al_pa);
3062                                         fcport->loop_id = FC_NO_LOOP_ID;
3063                                 }
3064                         }
3065                 }
3066
3067                 /* Starting free loop ID. */
3068                 next_loopid = ha->min_external_loopid;
3069
3070                 /*
3071                  * Scan through our port list and login entries that need to be
3072                  * logged in.
3073                  */
3074                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3075                         if (atomic_read(&vha->loop_down_timer) ||
3076                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3077                                 break;
3078
3079                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3080                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3081                                 continue;
3082
3083                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3084                                 fcport->loop_id = next_loopid;
3085                                 rval = qla2x00_find_new_loop_id(
3086                                     base_vha, fcport);
3087                                 if (rval != QLA_SUCCESS) {
3088                                         /* Ran out of IDs to use */
3089                                         break;
3090                                 }
3091                         }
3092                         /* Login and update database */
3093                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3094                 }
3095
3096                 /* Exit if out of loop IDs. */
3097                 if (rval != QLA_SUCCESS) {
3098                         break;
3099                 }
3100
3101                 /*
3102                  * Login and add the new devices to our port list.
3103                  */
3104                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3105                         if (atomic_read(&vha->loop_down_timer) ||
3106                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3107                                 break;
3108
3109                         /* Find a new loop ID to use. */
3110                         fcport->loop_id = next_loopid;
3111                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
3112                         if (rval != QLA_SUCCESS) {
3113                                 /* Ran out of IDs to use */
3114                                 break;
3115                         }
3116
3117                         /* Login and update database */
3118                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3119
3120                         if (vha->vp_idx) {
3121                                 fcport->vha = vha;
3122                                 fcport->vp_idx = vha->vp_idx;
3123                         }
3124                         list_move_tail(&fcport->list, &vha->vp_fcports);
3125                 }
3126         } while (0);
3127
3128         /* Free all new device structures not processed. */
3129         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3130                 list_del(&fcport->list);
3131                 kfree(fcport);
3132         }
3133
3134         if (rval) {
3135                 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
3136                     "rval=%d\n", vha->host_no, rval));
3137         }
3138
3139         return (rval);
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                 /* If other queries succeeded probe for FC-4 type */
3196                 if (swl)
3197                         qla2x00_gff_id(vha, swl);
3198         }
3199         swl_idx = 0;
3200
3201         /* Allocate temporary fcport for any new fcports discovered. */
3202         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3203         if (new_fcport == NULL) {
3204                 kfree(swl);
3205                 return (QLA_MEMORY_ALLOC_FAILED);
3206         }
3207         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3208         /* Set start port ID scan at adapter ID. */
3209         first_dev = 1;
3210         last_dev = 0;
3211
3212         /* Starting free loop ID. */
3213         loop_id = ha->min_external_loopid;
3214         for (; loop_id <= ha->max_loop_id; loop_id++) {
3215                 if (qla2x00_is_reserved_id(vha, loop_id))
3216                         continue;
3217
3218                 if (ha->current_topology == ISP_CFG_FL &&
3219                     (atomic_read(&vha->loop_down_timer) ||
3220                      LOOP_TRANSITION(vha))) {
3221                         atomic_set(&vha->loop_down_timer, 0);
3222                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3223                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3224                         break;
3225                 }
3226
3227                 if (swl != NULL) {
3228                         if (last_dev) {
3229                                 wrap.b24 = new_fcport->d_id.b24;
3230                         } else {
3231                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3232                                 memcpy(new_fcport->node_name,
3233                                     swl[swl_idx].node_name, WWN_SIZE);
3234                                 memcpy(new_fcport->port_name,
3235                                     swl[swl_idx].port_name, WWN_SIZE);
3236                                 memcpy(new_fcport->fabric_port_name,
3237                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3238                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3239                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3240
3241                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3242                                         last_dev = 1;
3243                                 }
3244                                 swl_idx++;
3245                         }
3246                 } else {
3247                         /* Send GA_NXT to the switch */
3248                         rval = qla2x00_ga_nxt(vha, new_fcport);
3249                         if (rval != QLA_SUCCESS) {
3250                                 qla_printk(KERN_WARNING, ha,
3251                                     "SNS scan failed -- assuming zero-entry "
3252                                     "result...\n");
3253                                 list_for_each_entry_safe(fcport, fcptemp,
3254                                     new_fcports, list) {
3255                                         list_del(&fcport->list);
3256                                         kfree(fcport);
3257                                 }
3258                                 rval = QLA_SUCCESS;
3259                                 break;
3260                         }
3261                 }
3262
3263                 /* If wrap on switch device list, exit. */
3264                 if (first_dev) {
3265                         wrap.b24 = new_fcport->d_id.b24;
3266                         first_dev = 0;
3267                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3268                         DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
3269                             vha->host_no, new_fcport->d_id.b.domain,
3270                             new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
3271                         break;
3272                 }
3273
3274                 /* Bypass if same physical adapter. */
3275                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3276                         continue;
3277
3278                 /* Bypass virtual ports of the same host. */
3279                 found = 0;
3280                 if (ha->num_vhosts) {
3281                         unsigned long flags;
3282
3283                         spin_lock_irqsave(&ha->vport_slock, flags);
3284                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3285                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3286                                         found = 1;
3287                                         break;
3288                                 }
3289                         }
3290                         spin_unlock_irqrestore(&ha->vport_slock, flags);
3291
3292                         if (found)
3293                                 continue;
3294                 }
3295
3296                 /* Bypass if same domain and area of adapter. */
3297                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3298                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3299                         ISP_CFG_FL)
3300                             continue;
3301
3302                 /* Bypass reserved domain fields. */
3303                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3304                         continue;
3305
3306                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3307                 if (ql2xgffidenable &&
3308                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3309                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3310                         continue;
3311
3312                 /* Locate matching device in database. */
3313                 found = 0;
3314                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3315                         if (memcmp(new_fcport->port_name, fcport->port_name,
3316                             WWN_SIZE))
3317                                 continue;
3318
3319                         found++;
3320
3321                         /* Update port state. */
3322                         memcpy(fcport->fabric_port_name,
3323                             new_fcport->fabric_port_name, WWN_SIZE);
3324                         fcport->fp_speed = new_fcport->fp_speed;
3325
3326                         /*
3327                          * If address the same and state FCS_ONLINE, nothing
3328                          * changed.
3329                          */
3330                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3331                             atomic_read(&fcport->state) == FCS_ONLINE) {
3332                                 break;
3333                         }
3334
3335                         /*
3336                          * If device was not a fabric device before.
3337                          */
3338                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3339                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3340                                 fcport->loop_id = FC_NO_LOOP_ID;
3341                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3342                                     FCF_LOGIN_NEEDED);
3343                                 break;
3344                         }
3345
3346                         /*
3347                          * Port ID changed or device was marked to be updated;
3348                          * Log it out if still logged in and mark it for
3349                          * relogin later.
3350                          */
3351                         fcport->d_id.b24 = new_fcport->d_id.b24;
3352                         fcport->flags |= FCF_LOGIN_NEEDED;
3353                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3354                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3355                             fcport->port_type != FCT_INITIATOR &&
3356                             fcport->port_type != FCT_BROADCAST) {
3357                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3358                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3359                                     fcport->d_id.b.al_pa);
3360                                 fcport->loop_id = FC_NO_LOOP_ID;
3361                         }
3362
3363                         break;
3364                 }
3365
3366                 if (found)
3367                         continue;
3368                 /* If device was not in our fcports list, then add it. */
3369                 list_add_tail(&new_fcport->list, new_fcports);
3370
3371                 /* Allocate a new replacement fcport. */
3372                 nxt_d_id.b24 = new_fcport->d_id.b24;
3373                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3374                 if (new_fcport == NULL) {
3375                         kfree(swl);
3376                         return (QLA_MEMORY_ALLOC_FAILED);
3377                 }
3378                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3379                 new_fcport->d_id.b24 = nxt_d_id.b24;
3380         }
3381
3382         kfree(swl);
3383         kfree(new_fcport);
3384
3385         return (rval);
3386 }
3387
3388 /*
3389  * qla2x00_find_new_loop_id
3390  *      Scan through our port list and find a new usable loop ID.
3391  *
3392  * Input:
3393  *      ha:     adapter state pointer.
3394  *      dev:    port structure pointer.
3395  *
3396  * Returns:
3397  *      qla2x00 local function return status code.
3398  *
3399  * Context:
3400  *      Kernel context.
3401  */
3402 int
3403 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3404 {
3405         int     rval;
3406         int     found;
3407         fc_port_t *fcport;
3408         uint16_t first_loop_id;
3409         struct qla_hw_data *ha = vha->hw;
3410         struct scsi_qla_host *vp;
3411         struct scsi_qla_host *tvp;
3412         unsigned long flags = 0;
3413
3414         rval = QLA_SUCCESS;
3415
3416         /* Save starting loop ID. */
3417         first_loop_id = dev->loop_id;
3418
3419         for (;;) {
3420                 /* Skip loop ID if already used by adapter. */
3421                 if (dev->loop_id == vha->loop_id)
3422                         dev->loop_id++;
3423
3424                 /* Skip reserved loop IDs. */
3425                 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3426                         dev->loop_id++;
3427
3428                 /* Reset loop ID if passed the end. */
3429                 if (dev->loop_id > ha->max_loop_id) {
3430                         /* first loop ID. */
3431                         dev->loop_id = ha->min_external_loopid;
3432                 }
3433
3434                 /* Check for loop ID being already in use. */
3435                 found = 0;
3436                 fcport = NULL;
3437
3438                 spin_lock_irqsave(&ha->vport_slock, flags);
3439                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3440                         list_for_each_entry(fcport, &vp->vp_fcports, list) {
3441                                 if (fcport->loop_id == dev->loop_id &&
3442                                                                 fcport != dev) {
3443                                         /* ID possibly in use */
3444                                         found++;
3445                                         break;
3446                                 }
3447                         }
3448                         if (found)
3449                                 break;
3450                 }
3451                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3452
3453                 /* If not in use then it is free to use. */
3454                 if (!found) {
3455                         break;
3456                 }
3457
3458                 /* ID in use. Try next value. */
3459                 dev->loop_id++;
3460
3461                 /* If wrap around. No free ID to use. */
3462                 if (dev->loop_id == first_loop_id) {
3463                         dev->loop_id = FC_NO_LOOP_ID;
3464                         rval = QLA_FUNCTION_FAILED;
3465                         break;
3466                 }
3467         }
3468
3469         return (rval);
3470 }
3471
3472 /*
3473  * qla2x00_device_resync
3474  *      Marks devices in the database that needs resynchronization.
3475  *
3476  * Input:
3477  *      ha = adapter block pointer.
3478  *
3479  * Context:
3480  *      Kernel context.
3481  */
3482 static int
3483 qla2x00_device_resync(scsi_qla_host_t *vha)
3484 {
3485         int     rval;
3486         uint32_t mask;
3487         fc_port_t *fcport;
3488         uint32_t rscn_entry;
3489         uint8_t rscn_out_iter;
3490         uint8_t format;
3491         port_id_t d_id = {};
3492
3493         rval = QLA_RSCNS_HANDLED;
3494
3495         while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3496             vha->flags.rscn_queue_overflow) {
3497
3498                 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3499                 format = MSB(MSW(rscn_entry));
3500                 d_id.b.domain = LSB(MSW(rscn_entry));
3501                 d_id.b.area = MSB(LSW(rscn_entry));
3502                 d_id.b.al_pa = LSB(LSW(rscn_entry));
3503
3504                 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3505                     "[%02x/%02x%02x%02x].\n",
3506                     vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
3507                     d_id.b.area, d_id.b.al_pa));
3508
3509                 vha->rscn_out_ptr++;
3510                 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3511                         vha->rscn_out_ptr = 0;
3512
3513                 /* Skip duplicate entries. */
3514                 for (rscn_out_iter = vha->rscn_out_ptr;
3515                     !vha->flags.rscn_queue_overflow &&
3516                     rscn_out_iter != vha->rscn_in_ptr;
3517                     rscn_out_iter = (rscn_out_iter ==
3518                         (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3519
3520                         if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3521                                 break;
3522
3523                         DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
3524                             "entry found at [%d].\n", vha->host_no,
3525                             rscn_out_iter));
3526
3527                         vha->rscn_out_ptr = rscn_out_iter;
3528                 }
3529
3530                 /* Queue overflow, set switch default case. */
3531                 if (vha->flags.rscn_queue_overflow) {
3532                         DEBUG(printk("scsi(%ld): device_resync: rscn "
3533                             "overflow.\n", vha->host_no));
3534
3535                         format = 3;
3536                         vha->flags.rscn_queue_overflow = 0;
3537                 }
3538
3539                 switch (format) {
3540                 case 0:
3541                         mask = 0xffffff;
3542                         break;
3543                 case 1:
3544                         mask = 0xffff00;
3545                         break;
3546                 case 2:
3547                         mask = 0xff0000;
3548                         break;
3549                 default:
3550                         mask = 0x0;
3551                         d_id.b24 = 0;
3552                         vha->rscn_out_ptr = vha->rscn_in_ptr;
3553                         break;
3554                 }
3555
3556                 rval = QLA_SUCCESS;
3557
3558                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3559                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3560                             (fcport->d_id.b24 & mask) != d_id.b24 ||
3561                             fcport->port_type == FCT_BROADCAST)
3562                                 continue;
3563
3564                         if (atomic_read(&fcport->state) == FCS_ONLINE) {
3565                                 if (format != 3 ||
3566                                     fcport->port_type != FCT_INITIATOR) {
3567                                         qla2x00_mark_device_lost(vha, fcport,
3568                                             0, 0);
3569                                 }
3570                         }
3571                 }
3572         }
3573         return (rval);
3574 }
3575
3576 /*
3577  * qla2x00_fabric_dev_login
3578  *      Login fabric target device and update FC port database.
3579  *
3580  * Input:
3581  *      ha:             adapter state pointer.
3582  *      fcport:         port structure list pointer.
3583  *      next_loopid:    contains value of a new loop ID that can be used
3584  *                      by the next login attempt.
3585  *
3586  * Returns:
3587  *      qla2x00 local function return status code.
3588  *
3589  * Context:
3590  *      Kernel context.
3591  */
3592 static int
3593 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3594     uint16_t *next_loopid)
3595 {
3596         int     rval;
3597         int     retry;
3598         uint8_t opts;
3599         struct qla_hw_data *ha = vha->hw;
3600
3601         rval = QLA_SUCCESS;
3602         retry = 0;
3603
3604         if (IS_ALOGIO_CAPABLE(ha)) {
3605                 if (fcport->flags & FCF_ASYNC_SENT)
3606                         return rval;
3607                 fcport->flags |= FCF_ASYNC_SENT;
3608                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3609                 if (!rval)
3610                         return rval;
3611         }
3612
3613         fcport->flags &= ~FCF_ASYNC_SENT;
3614         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3615         if (rval == QLA_SUCCESS) {
3616                 /* Send an ADISC to FCP2 devices.*/
3617                 opts = 0;
3618                 if (fcport->flags & FCF_FCP2_DEVICE)
3619                         opts |= BIT_1;
3620                 rval = qla2x00_get_port_database(vha, fcport, opts);
3621                 if (rval != QLA_SUCCESS) {
3622                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3623                             fcport->d_id.b.domain, fcport->d_id.b.area,
3624                             fcport->d_id.b.al_pa);
3625                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3626                 } else {
3627                         qla2x00_update_fcport(vha, fcport);
3628                 }
3629         }
3630
3631         return (rval);
3632 }
3633
3634 /*
3635  * qla2x00_fabric_login
3636  *      Issue fabric login command.
3637  *
3638  * Input:
3639  *      ha = adapter block pointer.
3640  *      device = pointer to FC device type structure.
3641  *
3642  * Returns:
3643  *      0 - Login successfully
3644  *      1 - Login failed
3645  *      2 - Initiator device
3646  *      3 - Fatal error
3647  */
3648 int
3649 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3650     uint16_t *next_loopid)
3651 {
3652         int     rval;
3653         int     retry;
3654         uint16_t tmp_loopid;
3655         uint16_t mb[MAILBOX_REGISTER_COUNT];
3656         struct qla_hw_data *ha = vha->hw;
3657
3658         retry = 0;
3659         tmp_loopid = 0;
3660
3661         for (;;) {
3662                 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3663                     "for port %02x%02x%02x.\n",
3664                     vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3665                     fcport->d_id.b.area, fcport->d_id.b.al_pa));
3666
3667                 /* Login fcport on switch. */
3668                 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3669                     fcport->d_id.b.domain, fcport->d_id.b.area,
3670                     fcport->d_id.b.al_pa, mb, BIT_0);
3671                 if (mb[0] == MBS_PORT_ID_USED) {
3672                         /*
3673                          * Device has another loop ID.  The firmware team
3674                          * recommends the driver perform an implicit login with
3675                          * the specified ID again. The ID we just used is save
3676                          * here so we return with an ID that can be tried by
3677                          * the next login.
3678                          */
3679                         retry++;
3680                         tmp_loopid = fcport->loop_id;
3681                         fcport->loop_id = mb[1];
3682
3683                         DEBUG(printk("Fabric Login: port in use - next "
3684                             "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3685                             fcport->loop_id, fcport->d_id.b.domain,
3686                             fcport->d_id.b.area, fcport->d_id.b.al_pa));
3687
3688                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3689                         /*
3690                          * Login succeeded.
3691                          */
3692                         if (retry) {
3693                                 /* A retry occurred before. */
3694                                 *next_loopid = tmp_loopid;
3695                         } else {
3696                                 /*
3697                                  * No retry occurred before. Just increment the
3698                                  * ID value for next login.
3699                                  */
3700                                 *next_loopid = (fcport->loop_id + 1);
3701                         }
3702
3703                         if (mb[1] & BIT_0) {
3704                                 fcport->port_type = FCT_INITIATOR;
3705                         } else {
3706                                 fcport->port_type = FCT_TARGET;
3707                                 if (mb[1] & BIT_1) {
3708                                         fcport->flags |= FCF_FCP2_DEVICE;
3709                                 }
3710                         }
3711
3712                         if (mb[10] & BIT_0)
3713                                 fcport->supported_classes |= FC_COS_CLASS2;
3714                         if (mb[10] & BIT_1)
3715                                 fcport->supported_classes |= FC_COS_CLASS3;
3716
3717                         rval = QLA_SUCCESS;
3718                         break;
3719                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3720                         /*
3721                          * Loop ID already used, try next loop ID.
3722                          */
3723                         fcport->loop_id++;
3724                         rval = qla2x00_find_new_loop_id(vha, fcport);
3725                         if (rval != QLA_SUCCESS) {
3726                                 /* Ran out of loop IDs to use */
3727                                 break;
3728                         }
3729                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3730                         /*
3731                          * Firmware possibly timed out during login. If NO
3732                          * retries are left to do then the device is declared
3733                          * dead.
3734                          */
3735                         *next_loopid = fcport->loop_id;
3736                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3737                             fcport->d_id.b.domain, fcport->d_id.b.area,
3738                             fcport->d_id.b.al_pa);
3739                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3740
3741                         rval = 1;
3742                         break;
3743                 } else {
3744                         /*
3745                          * unrecoverable / not handled error
3746                          */
3747                         DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3748                             "loop_id=%x jiffies=%lx.\n",
3749                             __func__, vha->host_no, mb[0],
3750                             fcport->d_id.b.domain, fcport->d_id.b.area,
3751                             fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3752
3753                         *next_loopid = fcport->loop_id;
3754                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3755                             fcport->d_id.b.domain, fcport->d_id.b.area,
3756                             fcport->d_id.b.al_pa);
3757                         fcport->loop_id = FC_NO_LOOP_ID;
3758                         fcport->login_retry = 0;
3759
3760                         rval = 3;
3761                         break;
3762                 }
3763         }
3764
3765         return (rval);
3766 }
3767
3768 /*
3769  * qla2x00_local_device_login
3770  *      Issue local device login command.
3771  *
3772  * Input:
3773  *      ha = adapter block pointer.
3774  *      loop_id = loop id of device to login to.
3775  *
3776  * Returns (Where's the #define!!!!):
3777  *      0 - Login successfully
3778  *      1 - Login failed
3779  *      3 - Fatal error
3780  */
3781 int
3782 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3783 {
3784         int             rval;
3785         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3786
3787         memset(mb, 0, sizeof(mb));
3788         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3789         if (rval == QLA_SUCCESS) {
3790                 /* Interrogate mailbox registers for any errors */
3791                 if (mb[0] == MBS_COMMAND_ERROR)
3792                         rval = 1;
3793                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3794                         /* device not in PCB table */
3795                         rval = 3;
3796         }
3797
3798         return (rval);
3799 }
3800
3801 /*
3802  *  qla2x00_loop_resync
3803  *      Resync with fibre channel devices.
3804  *
3805  * Input:
3806  *      ha = adapter block pointer.
3807  *
3808  * Returns:
3809  *      0 = success
3810  */
3811 int
3812 qla2x00_loop_resync(scsi_qla_host_t *vha)
3813 {
3814         int rval = QLA_SUCCESS;
3815         uint32_t wait_time;
3816         struct req_que *req;
3817         struct rsp_que *rsp;
3818
3819         if (vha->hw->flags.cpu_affinity_enabled)
3820                 req = vha->hw->req_q_map[0];
3821         else
3822                 req = vha->req;
3823         rsp = req->rsp;
3824
3825         atomic_set(&vha->loop_state, LOOP_UPDATE);
3826         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3827         if (vha->flags.online) {
3828                 if (!(rval = qla2x00_fw_ready(vha))) {
3829                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3830                         wait_time = 256;
3831                         do {
3832                                 atomic_set(&vha->loop_state, LOOP_UPDATE);
3833
3834                                 /* Issue a marker after FW becomes ready. */
3835                                 qla2x00_marker(vha, req, rsp, 0, 0,
3836                                         MK_SYNC_ALL);
3837                                 vha->marker_needed = 0;
3838
3839                                 /* Remap devices on Loop. */
3840                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3841
3842                                 qla2x00_configure_loop(vha);
3843                                 wait_time--;
3844                         } while (!atomic_read(&vha->loop_down_timer) &&
3845                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3846                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3847                                 &vha->dpc_flags)));
3848                 }
3849         }
3850
3851         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3852                 return (QLA_FUNCTION_FAILED);
3853
3854         if (rval)
3855                 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3856
3857         return (rval);
3858 }
3859
3860 /*
3861 * qla2x00_perform_loop_resync
3862 * Description: This function will set the appropriate flags and call
3863 *              qla2x00_loop_resync. If successful loop will be resynced
3864 * Arguments : scsi_qla_host_t pointer
3865 * returm    : Success or Failure
3866 */
3867
3868 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3869 {
3870         int32_t rval = 0;
3871
3872         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3873                 /*Configure the flags so that resync happens properly*/
3874                 atomic_set(&ha->loop_down_timer, 0);
3875                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3876                         atomic_set(&ha->loop_state, LOOP_UP);
3877                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3878                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3879                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3880
3881                         rval = qla2x00_loop_resync(ha);
3882                 } else
3883                         atomic_set(&ha->loop_state, LOOP_DEAD);
3884
3885                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3886         }
3887
3888         return rval;
3889 }
3890
3891 void
3892 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3893 {
3894         fc_port_t *fcport;
3895         struct scsi_qla_host *vha;
3896         struct qla_hw_data *ha = base_vha->hw;
3897         unsigned long flags;
3898
3899         spin_lock_irqsave(&ha->vport_slock, flags);
3900         /* Go with deferred removal of rport references. */
3901         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3902                 atomic_inc(&vha->vref_count);
3903                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3904                         if (fcport->drport &&
3905                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3906                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3907
3908                                 qla2x00_rport_del(fcport);
3909
3910                                 spin_lock_irqsave(&ha->vport_slock, flags);
3911                         }
3912                 }
3913                 atomic_dec(&vha->vref_count);
3914         }
3915         spin_unlock_irqrestore(&ha->vport_slock, flags);
3916 }
3917
3918 /*
3919 * qla82xx_quiescent_state_cleanup
3920 * Description: This function will block the new I/Os
3921 *              Its not aborting any I/Os as context
3922 *              is not destroyed during quiescence
3923 * Arguments: scsi_qla_host_t
3924 * return   : void
3925 */
3926 void
3927 qla82xx_quiescent_state_cleanup(scsi_qla_host_t *vha)
3928 {
3929         struct qla_hw_data *ha = vha->hw;
3930         struct scsi_qla_host *vp;
3931
3932         qla_printk(KERN_INFO, ha,
3933                         "Performing ISP error recovery - ha= %p.\n", ha);
3934
3935         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3936         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3937                 atomic_set(&vha->loop_state, LOOP_DOWN);
3938                 qla2x00_mark_all_devices_lost(vha, 0);
3939                 list_for_each_entry(vp, &ha->vp_list, list)
3940                         qla2x00_mark_all_devices_lost(vha, 0);
3941         } else {
3942                 if (!atomic_read(&vha->loop_down_timer))
3943                         atomic_set(&vha->loop_down_timer,
3944                                         LOOP_DOWN_TIME);
3945         }
3946         /* Wait for pending cmds to complete */
3947         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
3948 }
3949
3950 void
3951 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
3952 {
3953         struct qla_hw_data *ha = vha->hw;
3954         struct scsi_qla_host *vp;
3955         unsigned long flags;
3956         fc_port_t *fcport;
3957
3958         /* For ISP82XX, driver waits for completion of the commands.
3959          * online flag should be set.
3960          */
3961         if (!IS_QLA82XX(ha))
3962                 vha->flags.online = 0;
3963         ha->flags.chip_reset_done = 0;
3964         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3965         ha->qla_stats.total_isp_aborts++;
3966
3967         qla_printk(KERN_INFO, ha,
3968             "Performing ISP error recovery - ha= %p.\n", ha);
3969
3970         /* For ISP82XX, reset_chip is just disabling interrupts.
3971          * Driver waits for the completion of the commands.
3972          * the interrupts need to be enabled.
3973          */
3974         if (!IS_QLA82XX(ha))
3975                 ha->isp_ops->reset_chip(vha);
3976
3977         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3978         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3979                 atomic_set(&vha->loop_state, LOOP_DOWN);
3980                 qla2x00_mark_all_devices_lost(vha, 0);
3981
3982                 spin_lock_irqsave(&ha->vport_slock, flags);
3983                 list_for_each_entry(vp, &ha->vp_list, list) {
3984                         atomic_inc(&vp->vref_count);
3985                         spin_unlock_irqrestore(&ha->vport_slock, flags);
3986
3987                         qla2x00_mark_all_devices_lost(vp, 0);
3988
3989                         spin_lock_irqsave(&ha->vport_slock, flags);
3990                         atomic_dec(&vp->vref_count);
3991                 }
3992                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3993         } else {
3994                 if (!atomic_read(&vha->loop_down_timer))
3995                         atomic_set(&vha->loop_down_timer,
3996                             LOOP_DOWN_TIME);
3997         }
3998
3999         /* Clear all async request states across all VPs. */
4000         list_for_each_entry(fcport, &vha->vp_fcports, list)
4001                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4002         spin_lock_irqsave(&ha->vport_slock, flags);
4003         list_for_each_entry(vp, &ha->vp_list, list) {
4004                 atomic_inc(&vp->vref_count);
4005                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4006
4007                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4008                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4009
4010                 spin_lock_irqsave(&ha->vport_slock, flags);
4011                 atomic_dec(&vp->vref_count);
4012         }
4013         spin_unlock_irqrestore(&ha->vport_slock, flags);
4014
4015         if (!ha->flags.eeh_busy) {
4016                 /* Make sure for ISP 82XX IO DMA is complete */
4017                 if (IS_QLA82XX(ha)) {
4018                         qla82xx_chip_reset_cleanup(vha);
4019
4020                         /* Done waiting for pending commands.
4021                          * Reset the online flag.
4022                          */
4023                         vha->flags.online = 0;
4024                 }
4025
4026                 /* Requeue all commands in outstanding command list. */
4027                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4028         }
4029 }
4030
4031 /*
4032 *  qla2x00_abort_isp
4033 *      Resets ISP and aborts all outstanding commands.
4034 *
4035 * Input:
4036 *      ha           = adapter block pointer.
4037 *
4038 * Returns:
4039 *      0 = success
4040 */
4041 int
4042 qla2x00_abort_isp(scsi_qla_host_t *vha)
4043 {
4044         int rval;
4045         uint8_t        status = 0;
4046         struct qla_hw_data *ha = vha->hw;
4047         struct scsi_qla_host *vp;
4048         struct req_que *req = ha->req_q_map[0];
4049         unsigned long flags;
4050
4051         if (vha->flags.online) {
4052                 qla2x00_abort_isp_cleanup(vha);
4053
4054                 if (unlikely(pci_channel_offline(ha->pdev) &&
4055                     ha->flags.pci_channel_io_perm_failure)) {
4056                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4057                         status = 0;
4058                         return status;
4059                 }
4060
4061                 ha->isp_ops->get_flash_version(vha, req->ring);
4062
4063                 ha->isp_ops->nvram_config(vha);
4064
4065                 if (!qla2x00_restart_isp(vha)) {
4066                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4067
4068                         if (!atomic_read(&vha->loop_down_timer)) {
4069                                 /*
4070                                  * Issue marker command only when we are going
4071                                  * to start the I/O .
4072                                  */
4073                                 vha->marker_needed = 1;
4074                         }
4075
4076                         vha->flags.online = 1;
4077
4078                         ha->isp_ops->enable_intrs(ha);
4079
4080                         ha->isp_abort_cnt = 0;
4081                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4082
4083                         if (IS_QLA81XX(ha))
4084                                 qla2x00_get_fw_version(vha,
4085                                     &ha->fw_major_version,
4086                                     &ha->fw_minor_version,
4087                                     &ha->fw_subminor_version,
4088                                     &ha->fw_attributes, &ha->fw_memory_size,
4089                                     ha->mpi_version, &ha->mpi_capabilities,
4090                                     ha->phy_version);
4091
4092                         if (ha->fce) {
4093                                 ha->flags.fce_enabled = 1;
4094                                 memset(ha->fce, 0,
4095                                     fce_calc_size(ha->fce_bufs));
4096                                 rval = qla2x00_enable_fce_trace(vha,
4097                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4098                                     &ha->fce_bufs);
4099                                 if (rval) {
4100                                         qla_printk(KERN_WARNING, ha,
4101                                             "Unable to reinitialize FCE "
4102                                             "(%d).\n", rval);
4103                                         ha->flags.fce_enabled = 0;
4104                                 }
4105                         }
4106
4107                         if (ha->eft) {
4108                                 memset(ha->eft, 0, EFT_SIZE);
4109                                 rval = qla2x00_enable_eft_trace(vha,
4110                                     ha->eft_dma, EFT_NUM_BUFFERS);
4111                                 if (rval) {
4112                                         qla_printk(KERN_WARNING, ha,
4113                                             "Unable to reinitialize EFT "
4114                                             "(%d).\n", rval);
4115                                 }
4116                         }
4117                 } else {        /* failed the ISP abort */
4118                         vha->flags.online = 1;
4119                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4120                                 if (ha->isp_abort_cnt == 0) {
4121                                         qla_printk(KERN_WARNING, ha,
4122                                             "ISP error recovery failed - "
4123                                             "board disabled\n");
4124                                         /*
4125                                          * The next call disables the board
4126                                          * completely.
4127                                          */
4128                                         ha->isp_ops->reset_adapter(vha);
4129                                         vha->flags.online = 0;
4130                                         clear_bit(ISP_ABORT_RETRY,
4131                                             &vha->dpc_flags);
4132                                         status = 0;
4133                                 } else { /* schedule another ISP abort */
4134                                         ha->isp_abort_cnt--;
4135                                         DEBUG(printk("qla%ld: ISP abort - "
4136                                             "retry remaining %d\n",
4137                                             vha->host_no, ha->isp_abort_cnt));
4138                                         status = 1;
4139                                 }
4140                         } else {
4141                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4142                                 DEBUG(printk("qla2x00(%ld): ISP error recovery "
4143                                     "- retrying (%d) more times\n",
4144                                     vha->host_no, ha->isp_abort_cnt));
4145                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4146                                 status = 1;
4147                         }
4148                 }
4149
4150         }
4151
4152         if (!status) {
4153                 DEBUG(printk(KERN_INFO
4154                                 "qla2x00_abort_isp(%ld): succeeded.\n",
4155                                 vha->host_no));
4156
4157                 spin_lock_irqsave(&ha->vport_slock, flags);
4158                 list_for_each_entry(vp, &ha->vp_list, list) {
4159                         if (vp->vp_idx) {
4160                                 atomic_inc(&vp->vref_count);
4161                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4162
4163                                 qla2x00_vp_abort_isp(vp);
4164
4165                                 spin_lock_irqsave(&ha->vport_slock, flags);
4166                                 atomic_dec(&vp->vref_count);
4167                         }
4168                 }
4169                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4170
4171         } else {
4172                 qla_printk(KERN_INFO, ha,
4173                         "qla2x00_abort_isp: **** FAILED ****\n");
4174         }
4175
4176         return(status);
4177 }
4178
4179 /*
4180 *  qla2x00_restart_isp
4181 *      restarts the ISP after a reset
4182 *
4183 * Input:
4184 *      ha = adapter block pointer.
4185 *
4186 * Returns:
4187 *      0 = success
4188 */
4189 static int
4190 qla2x00_restart_isp(scsi_qla_host_t *vha)
4191 {
4192         int status = 0;
4193         uint32_t wait_time;
4194         struct qla_hw_data *ha = vha->hw;
4195         struct req_que *req = ha->req_q_map[0];
4196         struct rsp_que *rsp = ha->rsp_q_map[0];
4197
4198         /* If firmware needs to be loaded */
4199         if (qla2x00_isp_firmware(vha)) {
4200                 vha->flags.online = 0;
4201                 status = ha->isp_ops->chip_diag(vha);
4202                 if (!status)
4203                         status = qla2x00_setup_chip(vha);
4204         }
4205
4206         if (!status && !(status = qla2x00_init_rings(vha))) {
4207                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4208                 ha->flags.chip_reset_done = 1;
4209                 /* Initialize the queues in use */
4210                 qla25xx_init_queues(ha);
4211
4212                 status = qla2x00_fw_ready(vha);
4213                 if (!status) {
4214                         DEBUG(printk("%s(): Start configure loop, "
4215                             "status = %d\n", __func__, status));
4216
4217                         /* Issue a marker after FW becomes ready. */
4218                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4219
4220                         vha->flags.online = 1;
4221                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4222                         wait_time = 256;
4223                         do {
4224                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4225                                 qla2x00_configure_loop(vha);
4226                                 wait_time--;
4227                         } while (!atomic_read(&vha->loop_down_timer) &&
4228                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4229                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4230                                 &vha->dpc_flags)));
4231                 }
4232
4233                 /* if no cable then assume it's good */
4234                 if ((vha->device_flags & DFLG_NO_CABLE))
4235                         status = 0;
4236
4237                 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
4238                                 __func__,
4239                                 status));
4240         }
4241         return (status);
4242 }
4243
4244 static int
4245 qla25xx_init_queues(struct qla_hw_data *ha)
4246 {
4247         struct rsp_que *rsp = NULL;
4248         struct req_que *req = NULL;
4249         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4250         int ret = -1;
4251         int i;
4252
4253         for (i = 1; i < ha->max_rsp_queues; i++) {
4254                 rsp = ha->rsp_q_map[i];
4255                 if (rsp) {
4256                         rsp->options &= ~BIT_0;
4257                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4258                         if (ret != QLA_SUCCESS)
4259                                 DEBUG2_17(printk(KERN_WARNING
4260                                         "%s Rsp que:%d init failed\n", __func__,
4261                                                 rsp->id));
4262                         else
4263                                 DEBUG2_17(printk(KERN_INFO
4264                                         "%s Rsp que:%d inited\n", __func__,
4265                                                 rsp->id));
4266                 }
4267         }
4268         for (i = 1; i < ha->max_req_queues; i++) {
4269                 req = ha->req_q_map[i];
4270                 if (req) {
4271                 /* Clear outstanding commands array. */
4272                         req->options &= ~BIT_0;
4273                         ret = qla25xx_init_req_que(base_vha, req);
4274                         if (ret != QLA_SUCCESS)
4275                                 DEBUG2_17(printk(KERN_WARNING
4276                                         "%s Req que:%d init failed\n", __func__,
4277                                                 req->id));
4278                         else
4279                                 DEBUG2_17(printk(KERN_WARNING
4280                                         "%s Req que:%d inited\n", __func__,
4281                                                 req->id));
4282                 }
4283         }
4284         return ret;
4285 }
4286
4287 /*
4288 * qla2x00_reset_adapter
4289 *      Reset adapter.
4290 *
4291 * Input:
4292 *      ha = adapter block pointer.
4293 */
4294 void
4295 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4296 {
4297         unsigned long flags = 0;
4298         struct qla_hw_data *ha = vha->hw;
4299         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4300
4301         vha->flags.online = 0;
4302         ha->isp_ops->disable_intrs(ha);
4303
4304         spin_lock_irqsave(&ha->hardware_lock, flags);
4305         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4306         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4307         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4308         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4309         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4310 }
4311
4312 void
4313 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4314 {
4315         unsigned long flags = 0;
4316         struct qla_hw_data *ha = vha->hw;
4317         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4318
4319         if (IS_QLA82XX(ha))
4320                 return;
4321
4322         vha->flags.online = 0;
4323         ha->isp_ops->disable_intrs(ha);
4324
4325         spin_lock_irqsave(&ha->hardware_lock, flags);
4326         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4327         RD_REG_DWORD(&reg->hccr);
4328         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4329         RD_REG_DWORD(&reg->hccr);
4330         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4331
4332         if (IS_NOPOLLING_TYPE(ha))
4333                 ha->isp_ops->enable_intrs(ha);
4334 }
4335
4336 /* On sparc systems, obtain port and node WWN from firmware
4337  * properties.
4338  */
4339 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4340         struct nvram_24xx *nv)
4341 {
4342 #ifdef CONFIG_SPARC
4343         struct qla_hw_data *ha = vha->hw;
4344         struct pci_dev *pdev = ha->pdev;
4345         struct device_node *dp = pci_device_to_OF_node(pdev);
4346         const u8 *val;
4347         int len;
4348
4349         val = of_get_property(dp, "port-wwn", &len);
4350         if (val && len >= WWN_SIZE)
4351                 memcpy(nv->port_name, val, WWN_SIZE);
4352
4353         val = of_get_property(dp, "node-wwn", &len);
4354         if (val && len >= WWN_SIZE)
4355                 memcpy(nv->node_name, val, WWN_SIZE);
4356 #endif
4357 }
4358
4359 int
4360 qla24xx_nvram_config(scsi_qla_host_t *vha)
4361 {
4362         int   rval;
4363         struct init_cb_24xx *icb;
4364         struct nvram_24xx *nv;
4365         uint32_t *dptr;
4366         uint8_t  *dptr1, *dptr2;
4367         uint32_t chksum;
4368         uint16_t cnt;
4369         struct qla_hw_data *ha = vha->hw;
4370
4371         rval = QLA_SUCCESS;
4372         icb = (struct init_cb_24xx *)ha->init_cb;
4373         nv = ha->nvram;
4374
4375         /* Determine NVRAM starting address. */
4376         if (ha->flags.port0) {
4377                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4378                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4379         } else {
4380                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4381                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4382         }
4383         ha->nvram_size = sizeof(struct nvram_24xx);
4384         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4385         if (IS_QLA82XX(ha))
4386                 ha->vpd_size = FA_VPD_SIZE_82XX;
4387
4388         /* Get VPD data into cache */
4389         ha->vpd = ha->nvram + VPD_OFFSET;
4390         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4391             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4392
4393         /* Get NVRAM data into cache and calculate checksum. */
4394         dptr = (uint32_t *)nv;
4395         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4396             ha->nvram_size);
4397         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4398                 chksum += le32_to_cpu(*dptr++);
4399
4400         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
4401         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4402
4403         /* Bad NVRAM data, set defaults parameters. */
4404         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4405             || nv->id[3] != ' ' ||
4406             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4407                 /* Reset NVRAM data. */
4408                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4409                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4410                     le16_to_cpu(nv->nvram_version));
4411                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4412                     "invalid -- WWPN) defaults.\n");
4413
4414                 /*
4415                  * Set default initialization control block.
4416                  */
4417                 memset(nv, 0, ha->nvram_size);
4418                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4419                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4420                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4421                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4422                 nv->exchange_count = __constant_cpu_to_le16(0);
4423                 nv->hard_address = __constant_cpu_to_le16(124);
4424                 nv->port_name[0] = 0x21;
4425                 nv->port_name[1] = 0x00 + ha->port_no;
4426                 nv->port_name[2] = 0x00;
4427                 nv->port_name[3] = 0xe0;
4428                 nv->port_name[4] = 0x8b;
4429                 nv->port_name[5] = 0x1c;
4430                 nv->port_name[6] = 0x55;
4431                 nv->port_name[7] = 0x86;
4432                 nv->node_name[0] = 0x20;
4433                 nv->node_name[1] = 0x00;
4434                 nv->node_name[2] = 0x00;
4435                 nv->node_name[3] = 0xe0;
4436                 nv->node_name[4] = 0x8b;
4437                 nv->node_name[5] = 0x1c;
4438                 nv->node_name[6] = 0x55;
4439                 nv->node_name[7] = 0x86;
4440                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4441                 nv->login_retry_count = __constant_cpu_to_le16(8);
4442                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4443                 nv->login_timeout = __constant_cpu_to_le16(0);
4444                 nv->firmware_options_1 =
4445                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4446                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4447                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4448                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4449                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4450                 nv->efi_parameters = __constant_cpu_to_le32(0);
4451                 nv->reset_delay = 5;
4452                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4453                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4454                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4455
4456                 rval = 1;
4457         }
4458
4459         /* Reset Initialization control block */
4460         memset(icb, 0, ha->init_cb_size);
4461
4462         /* Copy 1st segment. */
4463         dptr1 = (uint8_t *)icb;
4464         dptr2 = (uint8_t *)&nv->version;
4465         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4466         while (cnt--)
4467                 *dptr1++ = *dptr2++;
4468
4469         icb->login_retry_count = nv->login_retry_count;
4470         icb->link_down_on_nos = nv->link_down_on_nos;
4471
4472         /* Copy 2nd segment. */
4473         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4474         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4475         cnt = (uint8_t *)&icb->reserved_3 -
4476             (uint8_t *)&icb->interrupt_delay_timer;
4477         while (cnt--)
4478                 *dptr1++ = *dptr2++;
4479
4480         /*
4481          * Setup driver NVRAM options.
4482          */
4483         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4484             "QLA2462");
4485
4486         /* Use alternate WWN? */
4487         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4488                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4489                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4490         }
4491
4492         /* Prepare nodename */
4493         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4494                 /*
4495                  * Firmware will apply the following mask if the nodename was
4496                  * not provided.
4497                  */
4498                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4499                 icb->node_name[0] &= 0xF0;
4500         }
4501
4502         /* Set host adapter parameters. */
4503         ha->flags.disable_risc_code_load = 0;
4504         ha->flags.enable_lip_reset = 0;
4505         ha->flags.enable_lip_full_login =
4506             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4507         ha->flags.enable_target_reset =
4508             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4509         ha->flags.enable_led_scheme = 0;
4510         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4511
4512         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4513             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4514
4515         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4516             sizeof(ha->fw_seriallink_options24));
4517
4518         /* save HBA serial number */
4519         ha->serial0 = icb->port_name[5];
4520         ha->serial1 = icb->port_name[6];
4521         ha->serial2 = icb->port_name[7];
4522         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4523         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4524
4525         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4526
4527         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4528
4529         /* Set minimum login_timeout to 4 seconds. */
4530         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4531                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4532         if (le16_to_cpu(nv->login_timeout) < 4)
4533                 nv->login_timeout = __constant_cpu_to_le16(4);
4534         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4535         icb->login_timeout = nv->login_timeout;
4536
4537         /* Set minimum RATOV to 100 tenths of a second. */
4538         ha->r_a_tov = 100;
4539
4540         ha->loop_reset_delay = nv->reset_delay;
4541
4542         /* Link Down Timeout = 0:
4543          *
4544          *      When Port Down timer expires we will start returning
4545          *      I/O's to OS with "DID_NO_CONNECT".
4546          *
4547          * Link Down Timeout != 0:
4548          *
4549          *       The driver waits for the link to come up after link down
4550          *       before returning I/Os to OS with "DID_NO_CONNECT".
4551          */
4552         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4553                 ha->loop_down_abort_time =
4554                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4555         } else {
4556                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4557                 ha->loop_down_abort_time =
4558                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4559         }
4560
4561         /* Need enough time to try and get the port back. */
4562         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4563         if (qlport_down_retry)
4564                 ha->port_down_retry_count = qlport_down_retry;
4565
4566         /* Set login_retry_count */
4567         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4568         if (ha->port_down_retry_count ==
4569             le16_to_cpu(nv->port_down_retry_count) &&
4570             ha->port_down_retry_count > 3)
4571                 ha->login_retry_count = ha->port_down_retry_count;
4572         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4573                 ha->login_retry_count = ha->port_down_retry_count;
4574         if (ql2xloginretrycount)
4575                 ha->login_retry_count = ql2xloginretrycount;
4576
4577         /* Enable ZIO. */
4578         if (!vha->flags.init_done) {
4579                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4580                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4581                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4582                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4583         }
4584         icb->firmware_options_2 &= __constant_cpu_to_le32(
4585             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4586         vha->flags.process_response_queue = 0;
4587         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4588                 ha->zio_mode = QLA_ZIO_MODE_6;
4589
4590                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4591                     "(%d us).\n", vha->host_no, ha->zio_mode,
4592                     ha->zio_timer * 100));
4593                 qla_printk(KERN_INFO, ha,
4594                     "ZIO mode %d enabled; timer delay (%d us).\n",
4595                     ha->zio_mode, ha->zio_timer * 100);
4596
4597                 icb->firmware_options_2 |= cpu_to_le32(
4598                     (uint32_t)ha->zio_mode);
4599                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4600                 vha->flags.process_response_queue = 1;
4601         }
4602
4603         if (rval) {
4604                 DEBUG2_3(printk(KERN_WARNING
4605                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4606         }
4607         return (rval);
4608 }
4609
4610 static int
4611 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4612     uint32_t faddr)
4613 {
4614         int     rval = QLA_SUCCESS;
4615         int     segments, fragment;
4616         uint32_t *dcode, dlen;
4617         uint32_t risc_addr;
4618         uint32_t risc_size;
4619         uint32_t i;
4620         struct qla_hw_data *ha = vha->hw;
4621         struct req_que *req = ha->req_q_map[0];
4622
4623         qla_printk(KERN_INFO, ha,
4624             "FW: Loading from flash (%x)...\n", faddr);
4625
4626         rval = QLA_SUCCESS;
4627
4628         segments = FA_RISC_CODE_SEGMENTS;
4629         dcode = (uint32_t *)req->ring;
4630         *srisc_addr = 0;
4631
4632         /* Validate firmware image by checking version. */
4633         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4634         for (i = 0; i < 4; i++)
4635                 dcode[i] = be32_to_cpu(dcode[i]);
4636         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4637             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4638             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4639                 dcode[3] == 0)) {
4640                 qla_printk(KERN_WARNING, ha,
4641                     "Unable to verify integrity of flash firmware image!\n");
4642                 qla_printk(KERN_WARNING, ha,
4643                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4644                     dcode[1], dcode[2], dcode[3]);
4645
4646                 return QLA_FUNCTION_FAILED;
4647         }
4648
4649         while (segments && rval == QLA_SUCCESS) {
4650                 /* Read segment's load information. */
4651                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4652
4653                 risc_addr = be32_to_cpu(dcode[2]);
4654                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4655                 risc_size = be32_to_cpu(dcode[3]);
4656
4657                 fragment = 0;
4658                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4659                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4660                         if (dlen > risc_size)
4661                                 dlen = risc_size;
4662
4663                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4664                             "addr %x, number of dwords 0x%x, offset 0x%x.\n",
4665                             vha->host_no, risc_addr, dlen, faddr));
4666
4667                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4668                         for (i = 0; i < dlen; i++)
4669                                 dcode[i] = swab32(dcode[i]);
4670
4671                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4672                             dlen);
4673                         if (rval) {
4674                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4675                                     "segment %d of firmware\n", vha->host_no,
4676                                     fragment));
4677                                 qla_printk(KERN_WARNING, ha,
4678                                     "[ERROR] Failed to load segment %d of "
4679                                     "firmware\n", fragment);
4680                                 break;
4681                         }
4682
4683                         faddr += dlen;
4684                         risc_addr += dlen;
4685                         risc_size -= dlen;
4686                         fragment++;
4687                 }
4688
4689                 /* Next segment. */
4690                 segments--;
4691         }
4692
4693         return rval;
4694 }
4695
4696 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4697
4698 int
4699 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4700 {
4701         int     rval;
4702         int     i, fragment;
4703         uint16_t *wcode, *fwcode;
4704         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4705         struct fw_blob *blob;
4706         struct qla_hw_data *ha = vha->hw;
4707         struct req_que *req = ha->req_q_map[0];
4708
4709         /* Load firmware blob. */
4710         blob = qla2x00_request_firmware(vha);
4711         if (!blob) {
4712                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4713                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4714                     "from: " QLA_FW_URL ".\n");
4715                 return QLA_FUNCTION_FAILED;
4716         }
4717
4718         rval = QLA_SUCCESS;
4719
4720         wcode = (uint16_t *)req->ring;
4721         *srisc_addr = 0;
4722         fwcode = (uint16_t *)blob->fw->data;
4723         fwclen = 0;
4724
4725         /* Validate firmware image by checking version. */
4726         if (blob->fw->size < 8 * sizeof(uint16_t)) {
4727                 qla_printk(KERN_WARNING, ha,
4728                     "Unable to verify integrity of firmware image (%Zd)!\n",
4729                     blob->fw->size);
4730                 goto fail_fw_integrity;
4731         }
4732         for (i = 0; i < 4; i++)
4733                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4734         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4735             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4736                 wcode[2] == 0 && wcode[3] == 0)) {
4737                 qla_printk(KERN_WARNING, ha,
4738                     "Unable to verify integrity of firmware image!\n");
4739                 qla_printk(KERN_WARNING, ha,
4740                     "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4741                     wcode[1], wcode[2], wcode[3]);
4742                 goto fail_fw_integrity;
4743         }
4744
4745         seg = blob->segs;
4746         while (*seg && rval == QLA_SUCCESS) {
4747                 risc_addr = *seg;
4748                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4749                 risc_size = be16_to_cpu(fwcode[3]);
4750
4751                 /* Validate firmware image size. */
4752                 fwclen += risc_size * sizeof(uint16_t);
4753                 if (blob->fw->size < fwclen) {
4754                         qla_printk(KERN_WARNING, ha,
4755                             "Unable to verify integrity of firmware image "
4756                             "(%Zd)!\n", blob->fw->size);
4757                         goto fail_fw_integrity;
4758                 }
4759
4760                 fragment = 0;
4761                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4762                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4763                         if (wlen > risc_size)
4764                                 wlen = risc_size;
4765
4766                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4767                             "addr %x, number of words 0x%x.\n", vha->host_no,
4768                             risc_addr, wlen));
4769
4770                         for (i = 0; i < wlen; i++)
4771                                 wcode[i] = swab16(fwcode[i]);
4772
4773                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4774                             wlen);
4775                         if (rval) {
4776                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4777                                     "segment %d of firmware\n", vha->host_no,
4778                                     fragment));
4779                                 qla_printk(KERN_WARNING, ha,
4780                                     "[ERROR] Failed to load segment %d of "
4781                                     "firmware\n", fragment);
4782                                 break;
4783                         }
4784
4785                         fwcode += wlen;
4786                         risc_addr += wlen;
4787                         risc_size -= wlen;
4788                         fragment++;
4789                 }
4790
4791                 /* Next segment. */
4792                 seg++;
4793         }
4794         return rval;
4795
4796 fail_fw_integrity:
4797         return QLA_FUNCTION_FAILED;
4798 }
4799
4800 static int
4801 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4802 {
4803         int     rval;
4804         int     segments, fragment;
4805         uint32_t *dcode, dlen;
4806         uint32_t risc_addr;
4807         uint32_t risc_size;
4808         uint32_t i;
4809         struct fw_blob *blob;
4810         uint32_t *fwcode, fwclen;
4811         struct qla_hw_data *ha = vha->hw;
4812         struct req_que *req = ha->req_q_map[0];
4813
4814         /* Load firmware blob. */
4815         blob = qla2x00_request_firmware(vha);
4816         if (!blob) {
4817                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4818                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4819                     "from: " QLA_FW_URL ".\n");
4820
4821                 return QLA_FUNCTION_FAILED;
4822         }
4823
4824         qla_printk(KERN_INFO, ha,
4825             "FW: Loading via request-firmware...\n");
4826
4827         rval = QLA_SUCCESS;
4828
4829         segments = FA_RISC_CODE_SEGMENTS;
4830         dcode = (uint32_t *)req->ring;
4831         *srisc_addr = 0;
4832         fwcode = (uint32_t *)blob->fw->data;
4833         fwclen = 0;
4834
4835         /* Validate firmware image by checking version. */
4836         if (blob->fw->size < 8 * sizeof(uint32_t)) {
4837                 qla_printk(KERN_WARNING, ha,
4838                     "Unable to verify integrity of firmware image (%Zd)!\n",
4839                     blob->fw->size);
4840                 goto fail_fw_integrity;
4841         }
4842         for (i = 0; i < 4; i++)
4843                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4844         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4845             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4846             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4847                 dcode[3] == 0)) {
4848                 qla_printk(KERN_WARNING, ha,
4849                     "Unable to verify integrity of firmware image!\n");
4850                 qla_printk(KERN_WARNING, ha,
4851                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4852                     dcode[1], dcode[2], dcode[3]);
4853                 goto fail_fw_integrity;
4854         }
4855
4856         while (segments && rval == QLA_SUCCESS) {
4857                 risc_addr = be32_to_cpu(fwcode[2]);
4858                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4859                 risc_size = be32_to_cpu(fwcode[3]);
4860
4861                 /* Validate firmware image size. */
4862                 fwclen += risc_size * sizeof(uint32_t);
4863                 if (blob->fw->size < fwclen) {
4864                         qla_printk(KERN_WARNING, ha,
4865                             "Unable to verify integrity of firmware image "
4866                             "(%Zd)!\n", blob->fw->size);
4867
4868                         goto fail_fw_integrity;
4869                 }
4870
4871                 fragment = 0;
4872                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4873                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4874                         if (dlen > risc_size)
4875                                 dlen = risc_size;
4876
4877                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4878                             "addr %x, number of dwords 0x%x.\n", vha->host_no,
4879                             risc_addr, dlen));
4880
4881                         for (i = 0; i < dlen; i++)
4882                                 dcode[i] = swab32(fwcode[i]);
4883
4884                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4885                             dlen);
4886                         if (rval) {
4887                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4888                                     "segment %d of firmware\n", vha->host_no,
4889                                     fragment));
4890                                 qla_printk(KERN_WARNING, ha,
4891                                     "[ERROR] Failed to load segment %d of "
4892                                     "firmware\n", fragment);
4893                                 break;
4894                         }
4895
4896                         fwcode += dlen;
4897                         risc_addr += dlen;
4898                         risc_size -= dlen;
4899                         fragment++;
4900                 }
4901
4902                 /* Next segment. */
4903                 segments--;
4904         }
4905         return rval;
4906
4907 fail_fw_integrity:
4908         return QLA_FUNCTION_FAILED;
4909 }
4910
4911 int
4912 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4913 {
4914         int rval;
4915
4916         if (ql2xfwloadbin == 1)
4917                 return qla81xx_load_risc(vha, srisc_addr);
4918
4919         /*
4920          * FW Load priority:
4921          * 1) Firmware via request-firmware interface (.bin file).
4922          * 2) Firmware residing in flash.
4923          */
4924         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4925         if (rval == QLA_SUCCESS)
4926                 return rval;
4927
4928         return qla24xx_load_risc_flash(vha, srisc_addr,
4929             vha->hw->flt_region_fw);
4930 }
4931
4932 int
4933 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4934 {
4935         int rval;
4936         struct qla_hw_data *ha = vha->hw;
4937
4938         if (ql2xfwloadbin == 2)
4939                 goto try_blob_fw;
4940
4941         /*
4942          * FW Load priority:
4943          * 1) Firmware residing in flash.
4944          * 2) Firmware via request-firmware interface (.bin file).
4945          * 3) Golden-Firmware residing in flash -- limited operation.
4946          */
4947         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4948         if (rval == QLA_SUCCESS)
4949                 return rval;
4950
4951 try_blob_fw:
4952         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4953         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4954                 return rval;
4955
4956         qla_printk(KERN_ERR, ha,
4957             "FW: Attempting to fallback to golden firmware...\n");
4958         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4959         if (rval != QLA_SUCCESS)
4960                 return rval;
4961
4962         qla_printk(KERN_ERR, ha,
4963             "FW: Please update operational firmware...\n");
4964         ha->flags.running_gold_fw = 1;
4965
4966         return rval;
4967 }
4968
4969 void
4970 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4971 {
4972         int ret, retries;
4973         struct qla_hw_data *ha = vha->hw;
4974
4975         if (ha->flags.pci_channel_io_perm_failure)
4976                 return;
4977         if (!IS_FWI2_CAPABLE(ha))
4978                 return;
4979         if (!ha->fw_major_version)
4980                 return;
4981
4982         ret = qla2x00_stop_firmware(vha);
4983         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4984             ret != QLA_INVALID_COMMAND && retries ; retries--) {
4985                 ha->isp_ops->reset_chip(vha);
4986                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4987                         continue;
4988                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4989                         continue;
4990                 qla_printk(KERN_INFO, ha,
4991                     "Attempting retry of stop-firmware command...\n");
4992                 ret = qla2x00_stop_firmware(vha);
4993         }
4994 }
4995
4996 int
4997 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4998 {
4999         int rval = QLA_SUCCESS;
5000         uint16_t mb[MAILBOX_REGISTER_COUNT];
5001         struct qla_hw_data *ha = vha->hw;
5002         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5003         struct req_que *req;
5004         struct rsp_que *rsp;
5005
5006         if (!vha->vp_idx)
5007                 return -EINVAL;
5008
5009         rval = qla2x00_fw_ready(base_vha);
5010         if (ha->flags.cpu_affinity_enabled)
5011                 req = ha->req_q_map[0];
5012         else
5013                 req = vha->req;
5014         rsp = req->rsp;
5015
5016         if (rval == QLA_SUCCESS) {
5017                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5018                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5019         }
5020
5021         vha->flags.management_server_logged_in = 0;
5022
5023         /* Login to SNS first */
5024         ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
5025         if (mb[0] != MBS_COMMAND_COMPLETE) {
5026                 DEBUG15(qla_printk(KERN_INFO, ha,
5027                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5028                     "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
5029                     mb[0], mb[1], mb[2], mb[6], mb[7]));
5030                 return (QLA_FUNCTION_FAILED);
5031         }
5032
5033         atomic_set(&vha->loop_down_timer, 0);
5034         atomic_set(&vha->loop_state, LOOP_UP);
5035         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5036         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5037         rval = qla2x00_loop_resync(base_vha);
5038
5039         return rval;
5040 }
5041
5042 /* 84XX Support **************************************************************/
5043
5044 static LIST_HEAD(qla_cs84xx_list);
5045 static DEFINE_MUTEX(qla_cs84xx_mutex);
5046
5047 static struct qla_chip_state_84xx *
5048 qla84xx_get_chip(struct scsi_qla_host *vha)
5049 {
5050         struct qla_chip_state_84xx *cs84xx;
5051         struct qla_hw_data *ha = vha->hw;
5052
5053         mutex_lock(&qla_cs84xx_mutex);
5054
5055         /* Find any shared 84xx chip. */
5056         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5057                 if (cs84xx->bus == ha->pdev->bus) {
5058                         kref_get(&cs84xx->kref);
5059                         goto done;
5060                 }
5061         }
5062
5063         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5064         if (!cs84xx)
5065                 goto done;
5066
5067         kref_init(&cs84xx->kref);
5068         spin_lock_init(&cs84xx->access_lock);
5069         mutex_init(&cs84xx->fw_update_mutex);
5070         cs84xx->bus = ha->pdev->bus;
5071
5072         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5073 done:
5074         mutex_unlock(&qla_cs84xx_mutex);
5075         return cs84xx;
5076 }
5077
5078 static void
5079 __qla84xx_chip_release(struct kref *kref)
5080 {
5081         struct qla_chip_state_84xx *cs84xx =
5082             container_of(kref, struct qla_chip_state_84xx, kref);
5083
5084         mutex_lock(&qla_cs84xx_mutex);
5085         list_del(&cs84xx->list);
5086         mutex_unlock(&qla_cs84xx_mutex);
5087         kfree(cs84xx);
5088 }
5089
5090 void
5091 qla84xx_put_chip(struct scsi_qla_host *vha)
5092 {
5093         struct qla_hw_data *ha = vha->hw;
5094         if (ha->cs84xx)
5095                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5096 }
5097
5098 static int
5099 qla84xx_init_chip(scsi_qla_host_t *vha)
5100 {
5101         int rval;
5102         uint16_t status[2];
5103         struct qla_hw_data *ha = vha->hw;
5104
5105         mutex_lock(&ha->cs84xx->fw_update_mutex);
5106
5107         rval = qla84xx_verify_chip(vha, status);
5108
5109         mutex_unlock(&ha->cs84xx->fw_update_mutex);
5110
5111         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5112             QLA_SUCCESS;
5113 }
5114
5115 /* 81XX Support **************************************************************/
5116
5117 int
5118 qla81xx_nvram_config(scsi_qla_host_t *vha)
5119 {
5120         int   rval;
5121         struct init_cb_81xx *icb;
5122         struct nvram_81xx *nv;
5123         uint32_t *dptr;
5124         uint8_t  *dptr1, *dptr2;
5125         uint32_t chksum;
5126         uint16_t cnt;
5127         struct qla_hw_data *ha = vha->hw;
5128
5129         rval = QLA_SUCCESS;
5130         icb = (struct init_cb_81xx *)ha->init_cb;
5131         nv = ha->nvram;
5132
5133         /* Determine NVRAM starting address. */
5134         ha->nvram_size = sizeof(struct nvram_81xx);
5135         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5136
5137         /* Get VPD data into cache */
5138         ha->vpd = ha->nvram + VPD_OFFSET;
5139         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5140             ha->vpd_size);
5141
5142         /* Get NVRAM data into cache and calculate checksum. */
5143         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5144             ha->nvram_size);
5145         dptr = (uint32_t *)nv;
5146         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5147                 chksum += le32_to_cpu(*dptr++);
5148
5149         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
5150         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
5151
5152         /* Bad NVRAM data, set defaults parameters. */
5153         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5154             || nv->id[3] != ' ' ||
5155             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5156                 /* Reset NVRAM data. */
5157                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
5158                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
5159                     le16_to_cpu(nv->nvram_version));
5160                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
5161                     "invalid -- WWPN) defaults.\n");
5162
5163                 /*
5164                  * Set default initialization control block.
5165                  */
5166                 memset(nv, 0, ha->nvram_size);
5167                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5168                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5169                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5170                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5171                 nv->exchange_count = __constant_cpu_to_le16(0);
5172                 nv->port_name[0] = 0x21;
5173                 nv->port_name[1] = 0x00 + ha->port_no;
5174                 nv->port_name[2] = 0x00;
5175                 nv->port_name[3] = 0xe0;
5176                 nv->port_name[4] = 0x8b;
5177                 nv->port_name[5] = 0x1c;
5178                 nv->port_name[6] = 0x55;
5179                 nv->port_name[7] = 0x86;
5180                 nv->node_name[0] = 0x20;
5181                 nv->node_name[1] = 0x00;
5182                 nv->node_name[2] = 0x00;
5183                 nv->node_name[3] = 0xe0;
5184                 nv->node_name[4] = 0x8b;
5185                 nv->node_name[5] = 0x1c;
5186                 nv->node_name[6] = 0x55;
5187                 nv->node_name[7] = 0x86;
5188                 nv->login_retry_count = __constant_cpu_to_le16(8);
5189                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5190                 nv->login_timeout = __constant_cpu_to_le16(0);
5191                 nv->firmware_options_1 =
5192                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5193                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5194                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5195                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5196                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5197                 nv->efi_parameters = __constant_cpu_to_le32(0);
5198                 nv->reset_delay = 5;
5199                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5200                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5201                 nv->link_down_timeout = __constant_cpu_to_le16(30);
5202                 nv->enode_mac[0] = 0x00;
5203                 nv->enode_mac[1] = 0x02;
5204                 nv->enode_mac[2] = 0x03;
5205                 nv->enode_mac[3] = 0x04;
5206                 nv->enode_mac[4] = 0x05;
5207                 nv->enode_mac[5] = 0x06 + ha->port_no;
5208
5209                 rval = 1;
5210         }
5211
5212         /* Reset Initialization control block */
5213         memset(icb, 0, sizeof(struct init_cb_81xx));
5214
5215         /* Copy 1st segment. */
5216         dptr1 = (uint8_t *)icb;
5217         dptr2 = (uint8_t *)&nv->version;
5218         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5219         while (cnt--)
5220                 *dptr1++ = *dptr2++;
5221
5222         icb->login_retry_count = nv->login_retry_count;
5223
5224         /* Copy 2nd segment. */
5225         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5226         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5227         cnt = (uint8_t *)&icb->reserved_5 -
5228             (uint8_t *)&icb->interrupt_delay_timer;
5229         while (cnt--)
5230                 *dptr1++ = *dptr2++;
5231
5232         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5233         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5234         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5235                 icb->enode_mac[0] = 0x01;
5236                 icb->enode_mac[1] = 0x02;
5237                 icb->enode_mac[2] = 0x03;
5238                 icb->enode_mac[3] = 0x04;
5239                 icb->enode_mac[4] = 0x05;
5240                 icb->enode_mac[5] = 0x06 + ha->port_no;
5241         }
5242
5243         /* Use extended-initialization control block. */
5244         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5245
5246         /*
5247          * Setup driver NVRAM options.
5248          */
5249         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5250             "QLE8XXX");
5251
5252         /* Use alternate WWN? */
5253         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5254                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5255                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5256         }
5257
5258         /* Prepare nodename */
5259         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5260                 /*
5261                  * Firmware will apply the following mask if the nodename was
5262                  * not provided.
5263                  */
5264                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5265                 icb->node_name[0] &= 0xF0;
5266         }
5267
5268         /* Set host adapter parameters. */
5269         ha->flags.disable_risc_code_load = 0;
5270         ha->flags.enable_lip_reset = 0;
5271         ha->flags.enable_lip_full_login =
5272             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5273         ha->flags.enable_target_reset =
5274             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5275         ha->flags.enable_led_scheme = 0;
5276         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5277
5278         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5279             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5280
5281         /* save HBA serial number */
5282         ha->serial0 = icb->port_name[5];
5283         ha->serial1 = icb->port_name[6];
5284         ha->serial2 = icb->port_name[7];
5285         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5286         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5287
5288         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5289
5290         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5291
5292         /* Set minimum login_timeout to 4 seconds. */
5293         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5294                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5295         if (le16_to_cpu(nv->login_timeout) < 4)
5296                 nv->login_timeout = __constant_cpu_to_le16(4);
5297         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5298         icb->login_timeout = nv->login_timeout;
5299
5300         /* Set minimum RATOV to 100 tenths of a second. */
5301         ha->r_a_tov = 100;
5302
5303         ha->loop_reset_delay = nv->reset_delay;
5304
5305         /* Link Down Timeout = 0:
5306          *
5307          *      When Port Down timer expires we will start returning
5308          *      I/O's to OS with "DID_NO_CONNECT".
5309          *
5310          * Link Down Timeout != 0:
5311          *
5312          *       The driver waits for the link to come up after link down
5313          *       before returning I/Os to OS with "DID_NO_CONNECT".
5314          */
5315         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5316                 ha->loop_down_abort_time =
5317                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5318         } else {
5319                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5320                 ha->loop_down_abort_time =
5321                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5322         }
5323
5324         /* Need enough time to try and get the port back. */
5325         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5326         if (qlport_down_retry)
5327                 ha->port_down_retry_count = qlport_down_retry;
5328
5329         /* Set login_retry_count */
5330         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5331         if (ha->port_down_retry_count ==
5332             le16_to_cpu(nv->port_down_retry_count) &&
5333             ha->port_down_retry_count > 3)
5334                 ha->login_retry_count = ha->port_down_retry_count;
5335         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5336                 ha->login_retry_count = ha->port_down_retry_count;
5337         if (ql2xloginretrycount)
5338                 ha->login_retry_count = ql2xloginretrycount;
5339
5340         /* Enable ZIO. */
5341         if (!vha->flags.init_done) {
5342                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5343                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5344                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5345                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5346         }
5347         icb->firmware_options_2 &= __constant_cpu_to_le32(
5348             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5349         vha->flags.process_response_queue = 0;
5350         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5351                 ha->zio_mode = QLA_ZIO_MODE_6;
5352
5353                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
5354                     "(%d us).\n", vha->host_no, ha->zio_mode,
5355                     ha->zio_timer * 100));
5356                 qla_printk(KERN_INFO, ha,
5357                     "ZIO mode %d enabled; timer delay (%d us).\n",
5358                     ha->zio_mode, ha->zio_timer * 100);
5359
5360                 icb->firmware_options_2 |= cpu_to_le32(
5361                     (uint32_t)ha->zio_mode);
5362                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5363                 vha->flags.process_response_queue = 1;
5364         }
5365
5366         if (rval) {
5367                 DEBUG2_3(printk(KERN_WARNING
5368                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
5369         }
5370         return (rval);
5371 }
5372
5373 int
5374 qla82xx_restart_isp(scsi_qla_host_t *vha)
5375 {
5376         int status, rval;
5377         uint32_t wait_time;
5378         struct qla_hw_data *ha = vha->hw;
5379         struct req_que *req = ha->req_q_map[0];
5380         struct rsp_que *rsp = ha->rsp_q_map[0];
5381         struct scsi_qla_host *vp;
5382         unsigned long flags;
5383
5384         status = qla2x00_init_rings(vha);
5385         if (!status) {
5386                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5387                 ha->flags.chip_reset_done = 1;
5388
5389                 status = qla2x00_fw_ready(vha);
5390                 if (!status) {
5391                         qla_printk(KERN_INFO, ha,
5392                         "%s(): Start configure loop, "
5393                         "status = %d\n", __func__, status);
5394
5395                         /* Issue a marker after FW becomes ready. */
5396                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5397
5398                         vha->flags.online = 1;
5399                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5400                         wait_time = 256;
5401                         do {
5402                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5403                                 qla2x00_configure_loop(vha);
5404                                 wait_time--;
5405                         } while (!atomic_read(&vha->loop_down_timer) &&
5406                             !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5407                             wait_time &&
5408                             (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5409                 }
5410
5411                 /* if no cable then assume it's good */
5412                 if ((vha->device_flags & DFLG_NO_CABLE))
5413                         status = 0;
5414
5415                 qla_printk(KERN_INFO, ha,
5416                         "%s(): Configure loop done, status = 0x%x\n",
5417                         __func__, status);
5418         }
5419
5420         if (!status) {
5421                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5422
5423                 if (!atomic_read(&vha->loop_down_timer)) {
5424                         /*
5425                          * Issue marker command only when we are going
5426                          * to start the I/O .
5427                          */
5428                         vha->marker_needed = 1;
5429                 }
5430
5431                 vha->flags.online = 1;
5432
5433                 ha->isp_ops->enable_intrs(ha);
5434
5435                 ha->isp_abort_cnt = 0;
5436                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5437
5438                 /* Update the firmware version */
5439                 qla2x00_get_fw_version(vha, &ha->fw_major_version,
5440                     &ha->fw_minor_version, &ha->fw_subminor_version,
5441                     &ha->fw_attributes, &ha->fw_memory_size,
5442                     ha->mpi_version, &ha->mpi_capabilities,
5443                     ha->phy_version);
5444
5445                 if (ha->fce) {
5446                         ha->flags.fce_enabled = 1;
5447                         memset(ha->fce, 0,
5448                             fce_calc_size(ha->fce_bufs));
5449                         rval = qla2x00_enable_fce_trace(vha,
5450                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5451                             &ha->fce_bufs);
5452                         if (rval) {
5453                                 qla_printk(KERN_WARNING, ha,
5454                                     "Unable to reinitialize FCE "
5455                                     "(%d).\n", rval);
5456                                 ha->flags.fce_enabled = 0;
5457                         }
5458                 }
5459
5460                 if (ha->eft) {
5461                         memset(ha->eft, 0, EFT_SIZE);
5462                         rval = qla2x00_enable_eft_trace(vha,
5463                             ha->eft_dma, EFT_NUM_BUFFERS);
5464                         if (rval) {
5465                                 qla_printk(KERN_WARNING, ha,
5466                                     "Unable to reinitialize EFT "
5467                                     "(%d).\n", rval);
5468                         }
5469                 }
5470         }
5471
5472         if (!status) {
5473                 DEBUG(printk(KERN_INFO
5474                         "qla82xx_restart_isp(%ld): succeeded.\n",
5475                         vha->host_no));
5476
5477                 spin_lock_irqsave(&ha->vport_slock, flags);
5478                 list_for_each_entry(vp, &ha->vp_list, list) {
5479                         if (vp->vp_idx) {
5480                                 atomic_inc(&vp->vref_count);
5481                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5482
5483                                 qla2x00_vp_abort_isp(vp);
5484
5485                                 spin_lock_irqsave(&ha->vport_slock, flags);
5486                                 atomic_dec(&vp->vref_count);
5487                         }
5488                 }
5489                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5490
5491         } else {
5492                 qla_printk(KERN_INFO, ha,
5493                         "qla82xx_restart_isp: **** FAILED ****\n");
5494         }
5495
5496         return status;
5497 }
5498
5499 void
5500 qla81xx_update_fw_options(scsi_qla_host_t *vha)
5501 {
5502         struct qla_hw_data *ha = vha->hw;
5503
5504         if (!ql2xetsenable)
5505                 return;
5506
5507         /* Enable ETS Burst. */
5508         memset(ha->fw_options, 0, sizeof(ha->fw_options));
5509         ha->fw_options[2] |= BIT_9;
5510         qla2x00_set_fw_options(vha, ha->fw_options);
5511 }
5512
5513 /*
5514  * qla24xx_get_fcp_prio
5515  *      Gets the fcp cmd priority value for the logged in port.
5516  *      Looks for a match of the port descriptors within
5517  *      each of the fcp prio config entries. If a match is found,
5518  *      the tag (priority) value is returned.
5519  *
5520  * Input:
5521  *      vha = scsi host structure pointer.
5522  *      fcport = port structure pointer.
5523  *
5524  * Return:
5525  *      non-zero (if found)
5526  *      -1 (if not found)
5527  *
5528  * Context:
5529  *      Kernel context
5530  */
5531 static int
5532 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5533 {
5534         int i, entries;
5535         uint8_t pid_match, wwn_match;
5536         int priority;
5537         uint32_t pid1, pid2;
5538         uint64_t wwn1, wwn2;
5539         struct qla_fcp_prio_entry *pri_entry;
5540         struct qla_hw_data *ha = vha->hw;
5541
5542         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5543                 return -1;
5544
5545         priority = -1;
5546         entries = ha->fcp_prio_cfg->num_entries;
5547         pri_entry = &ha->fcp_prio_cfg->entry[0];
5548
5549         for (i = 0; i < entries; i++) {
5550                 pid_match = wwn_match = 0;
5551
5552                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5553                         pri_entry++;
5554                         continue;
5555                 }
5556
5557                 /* check source pid for a match */
5558                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5559                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5560                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5561                         if (pid1 == INVALID_PORT_ID)
5562                                 pid_match++;
5563                         else if (pid1 == pid2)
5564                                 pid_match++;
5565                 }
5566
5567                 /* check destination pid for a match */
5568                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5569                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5570                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5571                         if (pid1 == INVALID_PORT_ID)
5572                                 pid_match++;
5573                         else if (pid1 == pid2)
5574                                 pid_match++;
5575                 }
5576
5577                 /* check source WWN for a match */
5578                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5579                         wwn1 = wwn_to_u64(vha->port_name);
5580                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5581                         if (wwn2 == (uint64_t)-1)
5582                                 wwn_match++;
5583                         else if (wwn1 == wwn2)
5584                                 wwn_match++;
5585                 }
5586
5587                 /* check destination WWN for a match */
5588                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5589                         wwn1 = wwn_to_u64(fcport->port_name);
5590                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5591                         if (wwn2 == (uint64_t)-1)
5592                                 wwn_match++;
5593                         else if (wwn1 == wwn2)
5594                                 wwn_match++;
5595                 }
5596
5597                 if (pid_match == 2 || wwn_match == 2) {
5598                         /* Found a matching entry */
5599                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5600                                 priority = pri_entry->tag;
5601                         break;
5602                 }
5603
5604                 pri_entry++;
5605         }
5606
5607         return priority;
5608 }
5609
5610 /*
5611  * qla24xx_update_fcport_fcp_prio
5612  *      Activates fcp priority for the logged in fc port
5613  *
5614  * Input:
5615  *      vha = scsi host structure pointer.
5616  *      fcp = port structure pointer.
5617  *
5618  * Return:
5619  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5620  *
5621  * Context:
5622  *      Kernel context.
5623  */
5624 int
5625 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5626 {
5627         int ret;
5628         int priority;
5629         uint16_t mb[5];
5630
5631         if (fcport->port_type != FCT_TARGET ||
5632             fcport->loop_id == FC_NO_LOOP_ID)
5633                 return QLA_FUNCTION_FAILED;
5634
5635         priority = qla24xx_get_fcp_prio(vha, fcport);
5636         if (priority < 0)
5637                 return QLA_FUNCTION_FAILED;
5638
5639         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
5640         if (ret == QLA_SUCCESS)
5641                 fcport->fcp_prio = priority;
5642         else
5643                 DEBUG2(printk(KERN_WARNING
5644                         "scsi(%ld): Unable to activate fcp priority, "
5645                         " ret=0x%x\n", vha->host_no, ret));
5646
5647         return  ret;
5648 }
5649
5650 /*
5651  * qla24xx_update_all_fcp_prio
5652  *      Activates fcp priority for all the logged in ports
5653  *
5654  * Input:
5655  *      ha = adapter block pointer.
5656  *
5657  * Return:
5658  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
5659  *
5660  * Context:
5661  *      Kernel context.
5662  */
5663 int
5664 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5665 {
5666         int ret;
5667         fc_port_t *fcport;
5668
5669         ret = QLA_FUNCTION_FAILED;
5670         /* We need to set priority for all logged in ports */
5671         list_for_each_entry(fcport, &vha->vp_fcports, list)
5672                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5673
5674         return ret;
5675 }