drivers/scsi/qla2xxx/qla_init.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2008 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8 #include "qla_gbl.h"
   9
  10 #include <linux/delay.h>
  11 #include <linux/vmalloc.h>
  12
  13 #include "qla_devtbl.h"
  14
  15 #ifdef CONFIG_SPARC
  16 #include <asm/prom.h>
  17 #endif
  18
  19 /*
  20 *  QLogic ISP2x00 Hardware Support Function Prototypes.
  21 */
  22 static int qla2x00_isp_firmware(scsi_qla_host_t *);
  23 static int qla2x00_setup_chip(scsi_qla_host_t *);
  24 static int qla2x00_init_rings(scsi_qla_host_t *);
  25 static int qla2x00_fw_ready(scsi_qla_host_t *);
  26 static int qla2x00_configure_hba(scsi_qla_host_t *);
  27 static int qla2x00_configure_loop(scsi_qla_host_t *);
  28 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  29 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  30 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
  31 static int qla2x00_device_resync(scsi_qla_host_t *);
  32 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
  33     uint16_t *);
  34
  35 static int qla2x00_restart_isp(scsi_qla_host_t *);
  36
  37 static int qla2x00_find_new_loop_id(scsi_qla_host_t *, fc_port_t *);
  38
  39 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  40 static int qla84xx_init_chip(scsi_qla_host_t *);
  41 static int qla25xx_init_queues(struct qla_hw_data *);
  42
  43 /* SRB Extensions ---------------------------------------------------------- */
  44
  45 static void
  46 qla2x00_ctx_sp_timeout(unsigned long __data)
  47 {
  48         srb_t *sp = (srb_t *)__data;
  49         struct srb_ctx *ctx;
  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         ctx->timeout(sp);
  60         spin_unlock_irqrestore(&ha->hardware_lock, flags);
  61
  62         ctx->free(sp);
  63 }
  64
  65 static void
  66 qla2x00_ctx_sp_free(srb_t *sp)
  67 {
  68         struct srb_ctx *ctx = sp->ctx;
  69
  70         kfree(ctx);
  71         mempool_free(sp, sp->fcport->vha->hw->srb_mempool);
  72 }
  73
  74 inline srb_t *
  75 qla2x00_get_ctx_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size,
  76     unsigned long tmo)
  77 {
  78         srb_t *sp;
  79         struct qla_hw_data *ha = vha->hw;
  80         struct srb_ctx *ctx;
  81
  82         sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
  83         if (!sp)
  84                 goto done;
  85         ctx = kzalloc(size, GFP_KERNEL);
  86         if (!ctx) {
  87                 mempool_free(sp, ha->srb_mempool);
  88                 goto done;
  89         }
  90
  91         memset(sp, 0, sizeof(*sp));
  92         sp->fcport = fcport;
  93         sp->ctx = ctx;
  94         ctx->free = qla2x00_ctx_sp_free;
  95
  96         init_timer(&ctx->timer);
  97         if (!tmo)
  98                 goto done;
  99         ctx->timer.expires = jiffies + tmo * HZ;
 100         ctx->timer.data = (unsigned long)sp;
 101         ctx->timer.function = qla2x00_ctx_sp_timeout;
 102         add_timer(&ctx->timer);
 103 done:
 104         return sp;
 105 }
 106
 107 /* Asynchronous Login/Logout Routines -------------------------------------- */
 108
 109 #define ELS_TMO_2_RATOV(ha) ((ha)->r_a_tov / 10 * 2)
 110
 111 static void
 112 qla2x00_async_logio_timeout(srb_t *sp)
 113 {
 114         fc_port_t *fcport = sp->fcport;
 115         struct srb_logio *lio = sp->ctx;
 116
 117         DEBUG2(printk(KERN_WARNING
 118             "scsi(%ld:%x): Async-%s timeout.\n",
 119             fcport->vha->host_no, sp->handle,
 120             lio->ctx.type == SRB_LOGIN_CMD ? "login": "logout"));
 121
 122         if (lio->ctx.type == SRB_LOGIN_CMD)
 123                 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
 124 }
 125
 126 int
 127 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 128     uint16_t *data)
 129 {
 130         struct qla_hw_data *ha = vha->hw;
 131         srb_t *sp;
 132         struct srb_logio *lio;
 133         int rval;
 134
 135         rval = QLA_FUNCTION_FAILED;
 136         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_logio),
 137             ELS_TMO_2_RATOV(ha) + 2);
 138         if (!sp)
 139                 goto done;
 140
 141         lio = sp->ctx;
 142         lio->ctx.type = SRB_LOGIN_CMD;
 143         lio->ctx.timeout = qla2x00_async_logio_timeout;
 144         lio->flags |= SRB_LOGIN_COND_PLOGI;
 145         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 146                 lio->flags |= SRB_LOGIN_RETRIED;
 147         rval = qla2x00_start_sp(sp);
 148         if (rval != QLA_SUCCESS)
 149                 goto done_free_sp;
 150
 151         DEBUG2(printk(KERN_DEBUG
 152             "scsi(%ld:%x): Async-login - loop-id=%x portid=%02x%02x%02x "
 153             "retries=%d.\n", fcport->vha->host_no, sp->handle, fcport->loop_id,
 154             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 155             fcport->login_retry));
 156         return rval;
 157
 158 done_free_sp:
 159         del_timer_sync(&lio->ctx.timer);
 160         lio->ctx.free(sp);
 161 done:
 162         return rval;
 163 }
 164
 165 int
 166 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 167 {
 168         struct qla_hw_data *ha = vha->hw;
 169         srb_t *sp;
 170         struct srb_logio *lio;
 171         int rval;
 172
 173         rval = QLA_FUNCTION_FAILED;
 174         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_logio),
 175             ELS_TMO_2_RATOV(ha) + 2);
 176         if (!sp)
 177                 goto done;
 178
 179         lio = sp->ctx;
 180         lio->ctx.type = SRB_LOGOUT_CMD;
 181         lio->ctx.timeout = qla2x00_async_logio_timeout;
 182         rval = qla2x00_start_sp(sp);
 183         if (rval != QLA_SUCCESS)
 184                 goto done_free_sp;
 185
 186         DEBUG2(printk(KERN_DEBUG
 187             "scsi(%ld:%x): Async-logout - loop-id=%x portid=%02x%02x%02x.\n",
 188             fcport->vha->host_no, sp->handle, fcport->loop_id,
 189             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
 190         return rval;
 191
 192 done_free_sp:
 193         del_timer_sync(&lio->ctx.timer);
 194         lio->ctx.free(sp);
 195 done:
 196         return rval;
 197 }
 198
 199 int
 200 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 201     uint16_t *data)
 202 {
 203         int rval;
 204         uint8_t opts = 0;
 205
 206         switch (data[0]) {
 207         case MBS_COMMAND_COMPLETE:
 208                 if (fcport->flags & FCF_TAPE_PRESENT)
 209                         opts |= BIT_1;
 210                 rval = qla2x00_get_port_database(vha, fcport, opts);
 211                 if (rval != QLA_SUCCESS)
 212                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 213                 else
 214                         qla2x00_update_fcport(vha, fcport);
 215                 break;
 216         case MBS_COMMAND_ERROR:
 217                 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 218                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 219                 else
 220                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 221                 break;
 222         case MBS_PORT_ID_USED:
 223                 fcport->loop_id = data[1];
 224                 qla2x00_post_async_login_work(vha, fcport, NULL);
 225                 break;
 226         case MBS_LOOP_ID_USED:
 227                 fcport->loop_id++;
 228                 rval = qla2x00_find_new_loop_id(vha, fcport);
 229                 if (rval != QLA_SUCCESS) {
 230                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 231                         break;
 232                 }
 233                 qla2x00_post_async_login_work(vha, fcport, NULL);
 234                 break;
 235         }
 236         return QLA_SUCCESS;
 237 }
 238
 239 int
 240 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 241     uint16_t *data)
 242 {
 243         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 244         return QLA_SUCCESS;
 245 }
 246
 247 /****************************************************************************/
 248 /*                QLogic ISP2x00 Hardware Support Functions.                */
 249 /****************************************************************************/
 250
 251 /*
 252 * qla2x00_initialize_adapter
 253 *      Initialize board.
 254 *
 255 * Input:
 256 *      ha = adapter block pointer.
 257 *
 258 * Returns:
 259 *      0 = success
 260 */
 261 int
 262 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 263 {
 264         int     rval;
 265         struct qla_hw_data *ha = vha->hw;
 266         struct req_que *req = ha->req_q_map[0];
 267
 268         /* Clear adapter flags. */
 269         vha->flags.online = 0;
 270         ha->flags.chip_reset_done = 0;
 271         vha->flags.reset_active = 0;
 272         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 273         atomic_set(&vha->loop_state, LOOP_DOWN);
 274         vha->device_flags = DFLG_NO_CABLE;
 275         vha->dpc_flags = 0;
 276         vha->flags.management_server_logged_in = 0;
 277         vha->marker_needed = 0;
 278         ha->isp_abort_cnt = 0;
 279         ha->beacon_blink_led = 0;
 280
 281         set_bit(0, ha->req_qid_map);
 282         set_bit(0, ha->rsp_qid_map);
 283
 284         qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
 285         rval = ha->isp_ops->pci_config(vha);
 286         if (rval) {
 287                 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
 288                     vha->host_no));
 289                 return (rval);
 290         }
 291
 292         ha->isp_ops->reset_chip(vha);
 293
 294         rval = qla2xxx_get_flash_info(vha);
 295         if (rval) {
 296                 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
 297                     vha->host_no));
 298                 return (rval);
 299         }
 300
 301         ha->isp_ops->get_flash_version(vha, req->ring);
 302
 303         qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
 304
 305         ha->isp_ops->nvram_config(vha);
 306
 307         if (ha->flags.disable_serdes) {
 308                 /* Mask HBA via NVRAM settings? */
 309                 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
 310                     "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
 311                     vha->port_name[0], vha->port_name[1],
 312                     vha->port_name[2], vha->port_name[3],
 313                     vha->port_name[4], vha->port_name[5],
 314                     vha->port_name[6], vha->port_name[7]);
 315                 return QLA_FUNCTION_FAILED;
 316         }
 317
 318         qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
 319
 320         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 321                 rval = ha->isp_ops->chip_diag(vha);
 322                 if (rval)
 323                         return (rval);
 324                 rval = qla2x00_setup_chip(vha);
 325                 if (rval)
 326                         return (rval);
 327         }
 328         if (IS_QLA84XX(ha)) {
 329                 ha->cs84xx = qla84xx_get_chip(vha);
 330                 if (!ha->cs84xx) {
 331                         qla_printk(KERN_ERR, ha,
 332                             "Unable to configure ISP84XX.\n");
 333                         return QLA_FUNCTION_FAILED;
 334                 }
 335         }
 336         rval = qla2x00_init_rings(vha);
 337         ha->flags.chip_reset_done = 1;
 338
 339         return (rval);
 340 }
 341
 342 /**
 343  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 344  * @ha: HA context
 345  *
 346  * Returns 0 on success.
 347  */
 348 int
 349 qla2100_pci_config(scsi_qla_host_t *vha)
 350 {
 351         uint16_t w;
 352         unsigned long flags;
 353         struct qla_hw_data *ha = vha->hw;
 354         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 355
 356         pci_set_master(ha->pdev);
 357         pci_try_set_mwi(ha->pdev);
 358
 359         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 360         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 361         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 362
 363         pci_disable_rom(ha->pdev);
 364
 365         /* Get PCI bus information. */
 366         spin_lock_irqsave(&ha->hardware_lock, flags);
 367         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 368         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 369
 370         return QLA_SUCCESS;
 371 }
 372
 373 /**
 374  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 375  * @ha: HA context
 376  *
 377  * Returns 0 on success.
 378  */
 379 int
 380 qla2300_pci_config(scsi_qla_host_t *vha)
 381 {
 382         uint16_t        w;
 383         unsigned long   flags = 0;
 384         uint32_t        cnt;
 385         struct qla_hw_data *ha = vha->hw;
 386         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 387
 388         pci_set_master(ha->pdev);
 389         pci_try_set_mwi(ha->pdev);
 390
 391         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 392         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 393
 394         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 395                 w &= ~PCI_COMMAND_INTX_DISABLE;
 396         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 397
 398         /*
 399          * If this is a 2300 card and not 2312, reset the
 400          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 401          * the 2310 also reports itself as a 2300 so we need to get the
 402          * fb revision level -- a 6 indicates it really is a 2300 and
 403          * not a 2310.
 404          */
 405         if (IS_QLA2300(ha)) {
 406                 spin_lock_irqsave(&ha->hardware_lock, flags);
 407
 408                 /* Pause RISC. */
 409                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 410                 for (cnt = 0; cnt < 30000; cnt++) {
 411                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 412                                 break;
 413
 414                         udelay(10);
 415                 }
 416
 417                 /* Select FPM registers. */
 418                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 419                 RD_REG_WORD(&reg->ctrl_status);
 420
 421                 /* Get the fb rev level */
 422                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 423
 424                 if (ha->fb_rev == FPM_2300)
 425                         pci_clear_mwi(ha->pdev);
 426
 427                 /* Deselect FPM registers. */
 428                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 429                 RD_REG_WORD(&reg->ctrl_status);
 430
 431                 /* Release RISC module. */
 432                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 433                 for (cnt = 0; cnt < 30000; cnt++) {
 434                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 435                                 break;
 436
 437                         udelay(10);
 438                 }
 439
 440                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 441         }
 442
 443         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 444
 445         pci_disable_rom(ha->pdev);
 446
 447         /* Get PCI bus information. */
 448         spin_lock_irqsave(&ha->hardware_lock, flags);
 449         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 450         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 451
 452         return QLA_SUCCESS;
 453 }
 454
 455 /**
 456  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 457  * @ha: HA context
 458  *
 459  * Returns 0 on success.
 460  */
 461 int
 462 qla24xx_pci_config(scsi_qla_host_t *vha)
 463 {
 464         uint16_t w;
 465         unsigned long flags = 0;
 466         struct qla_hw_data *ha = vha->hw;
 467         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 468
 469         pci_set_master(ha->pdev);
 470         pci_try_set_mwi(ha->pdev);
 471
 472         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 473         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 474         w &= ~PCI_COMMAND_INTX_DISABLE;
 475         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 476
 477         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 478
 479         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 480         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 481                 pcix_set_mmrbc(ha->pdev, 2048);
 482
 483         /* PCIe -- adjust Maximum Read Request Size (2048). */
 484         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 485                 pcie_set_readrq(ha->pdev, 2048);
 486
 487         pci_disable_rom(ha->pdev);
 488
 489         ha->chip_revision = ha->pdev->revision;
 490
 491         /* Get PCI bus information. */
 492         spin_lock_irqsave(&ha->hardware_lock, flags);
 493         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 494         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 495
 496         return QLA_SUCCESS;
 497 }
 498
 499 /**
 500  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 501  * @ha: HA context
 502  *
 503  * Returns 0 on success.
 504  */
 505 int
 506 qla25xx_pci_config(scsi_qla_host_t *vha)
 507 {
 508         uint16_t w;
 509         struct qla_hw_data *ha = vha->hw;
 510
 511         pci_set_master(ha->pdev);
 512         pci_try_set_mwi(ha->pdev);
 513
 514         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 515         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 516         w &= ~PCI_COMMAND_INTX_DISABLE;
 517         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 518
 519         /* PCIe -- adjust Maximum Read Request Size (2048). */
 520         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 521                 pcie_set_readrq(ha->pdev, 2048);
 522
 523         pci_disable_rom(ha->pdev);
 524
 525         ha->chip_revision = ha->pdev->revision;
 526
 527         return QLA_SUCCESS;
 528 }
 529
 530 /**
 531  * qla2x00_isp_firmware() - Choose firmware image.
 532  * @ha: HA context
 533  *
 534  * Returns 0 on success.
 535  */
 536 static int
 537 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 538 {
 539         int  rval;
 540         uint16_t loop_id, topo, sw_cap;
 541         uint8_t domain, area, al_pa;
 542         struct qla_hw_data *ha = vha->hw;
 543
 544         /* Assume loading risc code */
 545         rval = QLA_FUNCTION_FAILED;
 546
 547         if (ha->flags.disable_risc_code_load) {
 548                 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
 549                     vha->host_no));
 550                 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
 551
 552                 /* Verify checksum of loaded RISC code. */
 553                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 554                 if (rval == QLA_SUCCESS) {
 555                         /* And, verify we are not in ROM code. */
 556                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 557                             &area, &domain, &topo, &sw_cap);
 558                 }
 559         }
 560
 561         if (rval) {
 562                 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
 563                     vha->host_no));
 564         }
 565
 566         return (rval);
 567 }
 568
 569 /**
 570  * qla2x00_reset_chip() - Reset ISP chip.
 571  * @ha: HA context
 572  *
 573  * Returns 0 on success.
 574  */
 575 void
 576 qla2x00_reset_chip(scsi_qla_host_t *vha)
 577 {
 578         unsigned long   flags = 0;
 579         struct qla_hw_data *ha = vha->hw;
 580         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 581         uint32_t        cnt;
 582         uint16_t        cmd;
 583
 584         ha->isp_ops->disable_intrs(ha);
 585
 586         spin_lock_irqsave(&ha->hardware_lock, flags);
 587
 588         /* Turn off master enable */
 589         cmd = 0;
 590         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 591         cmd &= ~PCI_COMMAND_MASTER;
 592         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 593
 594         if (!IS_QLA2100(ha)) {
 595                 /* Pause RISC. */
 596                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 597                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 598                         for (cnt = 0; cnt < 30000; cnt++) {
 599                                 if ((RD_REG_WORD(&reg->hccr) &
 600                                     HCCR_RISC_PAUSE) != 0)
 601                                         break;
 602                                 udelay(100);
 603                         }
 604                 } else {
 605                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 606                         udelay(10);
 607                 }
 608
 609                 /* Select FPM registers. */
 610                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 611                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 612
 613                 /* FPM Soft Reset. */
 614                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 615                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 616
 617                 /* Toggle Fpm Reset. */
 618                 if (!IS_QLA2200(ha)) {
 619                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 620                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 621                 }
 622
 623                 /* Select frame buffer registers. */
 624                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 625                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 626
 627                 /* Reset frame buffer FIFOs. */
 628                 if (IS_QLA2200(ha)) {
 629                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 630                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 631                 } else {
 632                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 633
 634                         /* Read back fb_cmd until zero or 3 seconds max */
 635                         for (cnt = 0; cnt < 3000; cnt++) {
 636                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 637                                         break;
 638                                 udelay(100);
 639                         }
 640                 }
 641
 642                 /* Select RISC module registers. */
 643                 WRT_REG_WORD(&reg->ctrl_status, 0);
 644                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 645
 646                 /* Reset RISC processor. */
 647                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 648                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 649
 650                 /* Release RISC processor. */
 651                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 652                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 653         }
 654
 655         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 656         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 657
 658         /* Reset ISP chip. */
 659         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 660
 661         /* Wait for RISC to recover from reset. */
 662         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 663                 /*
 664                  * It is necessary to for a delay here since the card doesn't
 665                  * respond to PCI reads during a reset. On some architectures
 666                  * this will result in an MCA.
 667                  */
 668                 udelay(20);
 669                 for (cnt = 30000; cnt; cnt--) {
 670                         if ((RD_REG_WORD(&reg->ctrl_status) &
 671                             CSR_ISP_SOFT_RESET) == 0)
 672                                 break;
 673                         udelay(100);
 674                 }
 675         } else
 676                 udelay(10);
 677
 678         /* Reset RISC processor. */
 679         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 680
 681         WRT_REG_WORD(&reg->semaphore, 0);
 682
 683         /* Release RISC processor. */
 684         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 685         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 686
 687         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 688                 for (cnt = 0; cnt < 30000; cnt++) {
 689                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 690                                 break;
 691
 692                         udelay(100);
 693                 }
 694         } else
 695                 udelay(100);
 696
 697         /* Turn on master enable */
 698         cmd |= PCI_COMMAND_MASTER;
 699         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 700
 701         /* Disable RISC pause on FPM parity error. */
 702         if (!IS_QLA2100(ha)) {
 703                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
 704                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 705         }
 706
 707         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 708 }
 709
 710 /**
 711  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
 712  * @ha: HA context
 713  *
 714  * Returns 0 on success.
 715  */
 716 static inline void
 717 qla24xx_reset_risc(scsi_qla_host_t *vha)
 718 {
 719         unsigned long flags = 0;
 720         struct qla_hw_data *ha = vha->hw;
 721         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 722         uint32_t cnt, d2;
 723         uint16_t wd;
 724
 725         spin_lock_irqsave(&ha->hardware_lock, flags);
 726
 727         /* Reset RISC. */
 728         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 729         for (cnt = 0; cnt < 30000; cnt++) {
 730                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
 731                         break;
 732
 733                 udelay(10);
 734         }
 735
 736         WRT_REG_DWORD(&reg->ctrl_status,
 737             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 738         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
 739
 740         udelay(100);
 741         /* Wait for firmware to complete NVRAM accesses. */
 742         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 743         for (cnt = 10000 ; cnt && d2; cnt--) {
 744                 udelay(5);
 745                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 746                 barrier();
 747         }
 748
 749         /* Wait for soft-reset to complete. */
 750         d2 = RD_REG_DWORD(&reg->ctrl_status);
 751         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
 752                 udelay(5);
 753                 d2 = RD_REG_DWORD(&reg->ctrl_status);
 754                 barrier();
 755         }
 756
 757         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
 758         RD_REG_DWORD(&reg->hccr);
 759
 760         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
 761         RD_REG_DWORD(&reg->hccr);
 762
 763         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
 764         RD_REG_DWORD(&reg->hccr);
 765
 766         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 767         for (cnt = 6000000 ; cnt && d2; cnt--) {
 768                 udelay(5);
 769                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 770                 barrier();
 771         }
 772
 773         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 774
 775         if (IS_NOPOLLING_TYPE(ha))
 776                 ha->isp_ops->enable_intrs(ha);
 777 }
 778
 779 /**
 780  * qla24xx_reset_chip() - Reset ISP24xx chip.
 781  * @ha: HA context
 782  *
 783  * Returns 0 on success.
 784  */
 785 void
 786 qla24xx_reset_chip(scsi_qla_host_t *vha)
 787 {
 788         struct qla_hw_data *ha = vha->hw;
 789         ha->isp_ops->disable_intrs(ha);
 790
 791         /* Perform RISC reset. */
 792         qla24xx_reset_risc(vha);
 793 }
 794
 795 /**
 796  * qla2x00_chip_diag() - Test chip for proper operation.
 797  * @ha: HA context
 798  *
 799  * Returns 0 on success.
 800  */
 801 int
 802 qla2x00_chip_diag(scsi_qla_host_t *vha)
 803 {
 804         int             rval;
 805         struct qla_hw_data *ha = vha->hw;
 806         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 807         unsigned long   flags = 0;
 808         uint16_t        data;
 809         uint32_t        cnt;
 810         uint16_t        mb[5];
 811         struct req_que *req = ha->req_q_map[0];
 812
 813         /* Assume a failed state */
 814         rval = QLA_FUNCTION_FAILED;
 815
 816         DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
 817             vha->host_no, (u_long)&reg->flash_address));
 818
 819         spin_lock_irqsave(&ha->hardware_lock, flags);
 820
 821         /* Reset ISP chip. */
 822         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 823
 824         /*
 825          * We need to have a delay here since the card will not respond while
 826          * in reset causing an MCA on some architectures.
 827          */
 828         udelay(20);
 829         data = qla2x00_debounce_register(&reg->ctrl_status);
 830         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
 831                 udelay(5);
 832                 data = RD_REG_WORD(&reg->ctrl_status);
 833                 barrier();
 834         }
 835
 836         if (!cnt)
 837                 goto chip_diag_failed;
 838
 839         DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
 840             vha->host_no));
 841
 842         /* Reset RISC processor. */
 843         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 844         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 845
 846         /* Workaround for QLA2312 PCI parity error */
 847         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 848                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
 849                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
 850                         udelay(5);
 851                         data = RD_MAILBOX_REG(ha, reg, 0);
 852                         barrier();
 853                 }
 854         } else
 855                 udelay(10);
 856
 857         if (!cnt)
 858                 goto chip_diag_failed;
 859
 860         /* Check product ID of chip */
 861         DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
 862
 863         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
 864         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
 865         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
 866         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
 867         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
 868             mb[3] != PROD_ID_3) {
 869                 qla_printk(KERN_WARNING, ha,
 870                     "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
 871
 872                 goto chip_diag_failed;
 873         }
 874         ha->product_id[0] = mb[1];
 875         ha->product_id[1] = mb[2];
 876         ha->product_id[2] = mb[3];
 877         ha->product_id[3] = mb[4];
 878
 879         /* Adjust fw RISC transfer size */
 880         if (req->length > 1024)
 881                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
 882         else
 883                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
 884                     req->length;
 885
 886         if (IS_QLA2200(ha) &&
 887             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
 888                 /* Limit firmware transfer size with a 2200A */
 889                 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
 890                     vha->host_no));
 891
 892                 ha->device_type |= DT_ISP2200A;
 893                 ha->fw_transfer_size = 128;
 894         }
 895
 896         /* Wrap Incoming Mailboxes Test. */
 897         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 898
 899         DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
 900         rval = qla2x00_mbx_reg_test(vha);
 901         if (rval) {
 902                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
 903                     vha->host_no));
 904                 qla_printk(KERN_WARNING, ha,
 905                     "Failed mailbox send register test\n");
 906         }
 907         else {
 908                 /* Flag a successful rval */
 909                 rval = QLA_SUCCESS;
 910         }
 911         spin_lock_irqsave(&ha->hardware_lock, flags);
 912
 913 chip_diag_failed:
 914         if (rval)
 915                 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
 916                     "****\n", vha->host_no));
 917
 918         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 919
 920         return (rval);
 921 }
 922
 923 /**
 924  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
 925  * @ha: HA context
 926  *
 927  * Returns 0 on success.
 928  */
 929 int
 930 qla24xx_chip_diag(scsi_qla_host_t *vha)
 931 {
 932         int rval;
 933         struct qla_hw_data *ha = vha->hw;
 934         struct req_que *req = ha->req_q_map[0];
 935
 936         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
 937
 938         rval = qla2x00_mbx_reg_test(vha);
 939         if (rval) {
 940                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
 941                     vha->host_no));
 942                 qla_printk(KERN_WARNING, ha,
 943                     "Failed mailbox send register test\n");
 944         } else {
 945                 /* Flag a successful rval */
 946                 rval = QLA_SUCCESS;
 947         }
 948
 949         return rval;
 950 }
 951
 952 void
 953 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
 954 {
 955         int rval;
 956         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
 957             eft_size, fce_size, mq_size;
 958         dma_addr_t tc_dma;
 959         void *tc;
 960         struct qla_hw_data *ha = vha->hw;
 961         struct req_que *req = ha->req_q_map[0];
 962         struct rsp_que *rsp = ha->rsp_q_map[0];
 963
 964         if (ha->fw_dump) {
 965                 qla_printk(KERN_WARNING, ha,
 966                     "Firmware dump previously allocated.\n");
 967                 return;
 968         }
 969
 970         ha->fw_dumped = 0;
 971         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
 972         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 973                 fixed_size = sizeof(struct qla2100_fw_dump);
 974         } else if (IS_QLA23XX(ha)) {
 975                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
 976                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
 977                     sizeof(uint16_t);
 978         } else if (IS_FWI2_CAPABLE(ha)) {
 979                 if (IS_QLA81XX(ha))
 980                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
 981                 else if (IS_QLA25XX(ha))
 982                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
 983                 else
 984                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
 985                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
 986                     sizeof(uint32_t);
 987                 if (ha->mqenable)
 988                         mq_size = sizeof(struct qla2xxx_mq_chain);
 989                 /* Allocate memory for Fibre Channel Event Buffer. */
 990                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
 991                         goto try_eft;
 992
 993                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
 994                     GFP_KERNEL);
 995                 if (!tc) {
 996                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
 997                             "(%d KB) for FCE.\n", FCE_SIZE / 1024);
 998                         goto try_eft;
 999                 }
1000
1001                 memset(tc, 0, FCE_SIZE);
1002                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1003                     ha->fce_mb, &ha->fce_bufs);
1004                 if (rval) {
1005                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
1006                             "FCE (%d).\n", rval);
1007                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1008                             tc_dma);
1009                         ha->flags.fce_enabled = 0;
1010                         goto try_eft;
1011                 }
1012
1013                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
1014                     FCE_SIZE / 1024);
1015
1016                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1017                 ha->flags.fce_enabled = 1;
1018                 ha->fce_dma = tc_dma;
1019                 ha->fce = tc;
1020 try_eft:
1021                 /* Allocate memory for Extended Trace Buffer. */
1022                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1023                     GFP_KERNEL);
1024                 if (!tc) {
1025                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
1026                             "(%d KB) for EFT.\n", EFT_SIZE / 1024);
1027                         goto cont_alloc;
1028                 }
1029
1030                 memset(tc, 0, EFT_SIZE);
1031                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1032                 if (rval) {
1033                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
1034                             "EFT (%d).\n", rval);
1035                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1036                             tc_dma);
1037                         goto cont_alloc;
1038                 }
1039
1040                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
1041                     EFT_SIZE / 1024);
1042
1043                 eft_size = EFT_SIZE;
1044                 ha->eft_dma = tc_dma;
1045                 ha->eft = tc;
1046         }
1047 cont_alloc:
1048         req_q_size = req->length * sizeof(request_t);
1049         rsp_q_size = rsp->length * sizeof(response_t);
1050
1051         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1052         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1053         ha->chain_offset = dump_size;
1054         dump_size += mq_size + fce_size;
1055
1056         ha->fw_dump = vmalloc(dump_size);
1057         if (!ha->fw_dump) {
1058                 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
1059                     "firmware dump!!!\n", dump_size / 1024);
1060
1061                 if (ha->eft) {
1062                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1063                             ha->eft_dma);
1064                         ha->eft = NULL;
1065                         ha->eft_dma = 0;
1066                 }
1067                 return;
1068         }
1069         qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
1070             dump_size / 1024);
1071
1072         ha->fw_dump_len = dump_size;
1073         ha->fw_dump->signature[0] = 'Q';
1074         ha->fw_dump->signature[1] = 'L';
1075         ha->fw_dump->signature[2] = 'G';
1076         ha->fw_dump->signature[3] = 'C';
1077         ha->fw_dump->version = __constant_htonl(1);
1078
1079         ha->fw_dump->fixed_size = htonl(fixed_size);
1080         ha->fw_dump->mem_size = htonl(mem_size);
1081         ha->fw_dump->req_q_size = htonl(req_q_size);
1082         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1083
1084         ha->fw_dump->eft_size = htonl(eft_size);
1085         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1086         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1087
1088         ha->fw_dump->header_size =
1089             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1090 }
1091
1092 static int
1093 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1094 {
1095 #define MPS_MASK        0xe0
1096         int rval;
1097         uint16_t dc;
1098         uint32_t dw;
1099         struct qla_hw_data *ha = vha->hw;
1100
1101         if (!IS_QLA81XX(vha->hw))
1102                 return QLA_SUCCESS;
1103
1104         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1105         if (rval != QLA_SUCCESS) {
1106                 DEBUG2(qla_printk(KERN_WARNING, ha,
1107                     "Sync-MPI: Unable to acquire semaphore.\n"));
1108                 goto done;
1109         }
1110
1111         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1112         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1113         if (rval != QLA_SUCCESS) {
1114                 DEBUG2(qla_printk(KERN_WARNING, ha,
1115                     "Sync-MPI: Unable to read sync.\n"));
1116                 goto done_release;
1117         }
1118
1119         dc &= MPS_MASK;
1120         if (dc == (dw & MPS_MASK))
1121                 goto done_release;
1122
1123         dw &= ~MPS_MASK;
1124         dw |= dc;
1125         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1126         if (rval != QLA_SUCCESS) {
1127                 DEBUG2(qla_printk(KERN_WARNING, ha,
1128                     "Sync-MPI: Unable to gain sync.\n"));
1129         }
1130
1131 done_release:
1132         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1133         if (rval != QLA_SUCCESS) {
1134                 DEBUG2(qla_printk(KERN_WARNING, ha,
1135                     "Sync-MPI: Unable to release semaphore.\n"));
1136         }
1137
1138 done:
1139         return rval;
1140 }
1141
1142 /**
1143  * qla2x00_setup_chip() - Load and start RISC firmware.
1144  * @ha: HA context
1145  *
1146  * Returns 0 on success.
1147  */
1148 static int
1149 qla2x00_setup_chip(scsi_qla_host_t *vha)
1150 {
1151         int rval;
1152         uint32_t srisc_address = 0;
1153         struct qla_hw_data *ha = vha->hw;
1154         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1155         unsigned long flags;
1156         uint16_t fw_major_version;
1157
1158         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1159                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1160                 spin_lock_irqsave(&ha->hardware_lock, flags);
1161                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1162                 RD_REG_WORD(&reg->hccr);
1163                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1164         }
1165
1166         qla81xx_mpi_sync(vha);
1167
1168         /* Load firmware sequences */
1169         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1170         if (rval == QLA_SUCCESS) {
1171                 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
1172                     "code.\n", vha->host_no));
1173
1174                 rval = qla2x00_verify_checksum(vha, srisc_address);
1175                 if (rval == QLA_SUCCESS) {
1176                         /* Start firmware execution. */
1177                         DEBUG(printk("scsi(%ld): Checksum OK, start "
1178                             "firmware.\n", vha->host_no));
1179
1180                         rval = qla2x00_execute_fw(vha, srisc_address);
1181                         /* Retrieve firmware information. */
1182                         if (rval == QLA_SUCCESS) {
1183                                 fw_major_version = ha->fw_major_version;
1184                                 rval = qla2x00_get_fw_version(vha,
1185                                     &ha->fw_major_version,
1186                                     &ha->fw_minor_version,
1187                                     &ha->fw_subminor_version,
1188                                     &ha->fw_attributes, &ha->fw_memory_size,
1189                                     ha->mpi_version, &ha->mpi_capabilities,
1190                                     ha->phy_version);
1191                                 if (rval != QLA_SUCCESS)
1192                                         goto failed;
1193                                 ha->flags.npiv_supported = 0;
1194                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1195                                          (ha->fw_attributes & BIT_2)) {
1196                                         ha->flags.npiv_supported = 1;
1197                                         if ((!ha->max_npiv_vports) ||
1198                                             ((ha->max_npiv_vports + 1) %
1199                                             MIN_MULTI_ID_FABRIC))
1200                                                 ha->max_npiv_vports =
1201                                                     MIN_MULTI_ID_FABRIC - 1;
1202                                 }
1203                                 qla2x00_get_resource_cnts(vha, NULL,
1204                                     &ha->fw_xcb_count, NULL, NULL,
1205                                     &ha->max_npiv_vports, NULL);
1206
1207                                 if (!fw_major_version && ql2xallocfwdump)
1208                                         qla2x00_alloc_fw_dump(vha);
1209                         }
1210                 } else {
1211                         DEBUG2(printk(KERN_INFO
1212                             "scsi(%ld): ISP Firmware failed checksum.\n",
1213                             vha->host_no));
1214                 }
1215         }
1216
1217         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1218                 /* Enable proper parity. */
1219                 spin_lock_irqsave(&ha->hardware_lock, flags);
1220                 if (IS_QLA2300(ha))
1221                         /* SRAM parity */
1222                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1223                 else
1224                         /* SRAM, Instruction RAM and GP RAM parity */
1225                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1226                 RD_REG_WORD(&reg->hccr);
1227                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1228         }
1229
1230         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1231                 uint32_t size;
1232
1233                 rval = qla81xx_fac_get_sector_size(vha, &size);
1234                 if (rval == QLA_SUCCESS) {
1235                         ha->flags.fac_supported = 1;
1236                         ha->fdt_block_size = size << 2;
1237                 } else {
1238                         qla_printk(KERN_ERR, ha,
1239                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1240                             ha->fw_major_version, ha->fw_minor_version,
1241                             ha->fw_subminor_version);
1242                 }
1243         }
1244 failed:
1245         if (rval) {
1246                 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1247                     vha->host_no));
1248         }
1249
1250         return (rval);
1251 }
1252
1253 /**
1254  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1255  * @ha: HA context
1256  *
1257  * Beginning of request ring has initialization control block already built
1258  * by nvram config routine.
1259  *
1260  * Returns 0 on success.
1261  */
1262 void
1263 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1264 {
1265         uint16_t cnt;
1266         response_t *pkt;
1267
1268         rsp->ring_ptr = rsp->ring;
1269         rsp->ring_index    = 0;
1270         rsp->status_srb = NULL;
1271         pkt = rsp->ring_ptr;
1272         for (cnt = 0; cnt < rsp->length; cnt++) {
1273                 pkt->signature = RESPONSE_PROCESSED;
1274                 pkt++;
1275         }
1276 }
1277
1278 /**
1279  * qla2x00_update_fw_options() - Read and process firmware options.
1280  * @ha: HA context
1281  *
1282  * Returns 0 on success.
1283  */
1284 void
1285 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1286 {
1287         uint16_t swing, emphasis, tx_sens, rx_sens;
1288         struct qla_hw_data *ha = vha->hw;
1289
1290         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1291         qla2x00_get_fw_options(vha, ha->fw_options);
1292
1293         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1294                 return;
1295
1296         /* Serial Link options. */
1297         DEBUG3(printk("scsi(%ld): Serial link options:\n",
1298             vha->host_no));
1299         DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1300             sizeof(ha->fw_seriallink_options)));
1301
1302         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1303         if (ha->fw_seriallink_options[3] & BIT_2) {
1304                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1305
1306                 /*  1G settings */
1307                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1308                 emphasis = (ha->fw_seriallink_options[2] &
1309                     (BIT_4 | BIT_3)) >> 3;
1310                 tx_sens = ha->fw_seriallink_options[0] &
1311                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1312                 rx_sens = (ha->fw_seriallink_options[0] &
1313                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1314                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1315                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1316                         if (rx_sens == 0x0)
1317                                 rx_sens = 0x3;
1318                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1319                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1320                         ha->fw_options[10] |= BIT_5 |
1321                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1322                             (tx_sens & (BIT_1 | BIT_0));
1323
1324                 /*  2G settings */
1325                 swing = (ha->fw_seriallink_options[2] &
1326                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1327                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1328                 tx_sens = ha->fw_seriallink_options[1] &
1329                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1330                 rx_sens = (ha->fw_seriallink_options[1] &
1331                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1332                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1333                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1334                         if (rx_sens == 0x0)
1335                                 rx_sens = 0x3;
1336                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1337                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1338                         ha->fw_options[11] |= BIT_5 |
1339                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1340                             (tx_sens & (BIT_1 | BIT_0));
1341         }
1342
1343         /* FCP2 options. */
1344         /*  Return command IOCBs without waiting for an ABTS to complete. */
1345         ha->fw_options[3] |= BIT_13;
1346
1347         /* LED scheme. */
1348         if (ha->flags.enable_led_scheme)
1349                 ha->fw_options[2] |= BIT_12;
1350
1351         /* Detect ISP6312. */
1352         if (IS_QLA6312(ha))
1353                 ha->fw_options[2] |= BIT_13;
1354
1355         /* Update firmware options. */
1356         qla2x00_set_fw_options(vha, ha->fw_options);
1357 }
1358
1359 void
1360 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1361 {
1362         int rval;
1363         struct qla_hw_data *ha = vha->hw;
1364
1365         /* Update Serial Link options. */
1366         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1367                 return;
1368
1369         rval = qla2x00_set_serdes_params(vha,
1370             le16_to_cpu(ha->fw_seriallink_options24[1]),
1371             le16_to_cpu(ha->fw_seriallink_options24[2]),
1372             le16_to_cpu(ha->fw_seriallink_options24[3]));
1373         if (rval != QLA_SUCCESS) {
1374                 qla_printk(KERN_WARNING, ha,
1375                     "Unable to update Serial Link options (%x).\n", rval);
1376         }
1377 }
1378
1379 void
1380 qla2x00_config_rings(struct scsi_qla_host *vha)
1381 {
1382         struct qla_hw_data *ha = vha->hw;
1383         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1384         struct req_que *req = ha->req_q_map[0];
1385         struct rsp_que *rsp = ha->rsp_q_map[0];
1386
1387         /* Setup ring parameters in initialization control block. */
1388         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1389         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1390         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1391         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1392         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1393         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1394         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1395         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1396
1397         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1398         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1399         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1400         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1401         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1402 }
1403
1404 void
1405 qla24xx_config_rings(struct scsi_qla_host *vha)
1406 {
1407         struct qla_hw_data *ha = vha->hw;
1408         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1409         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1410         struct qla_msix_entry *msix;
1411         struct init_cb_24xx *icb;
1412         uint16_t rid = 0;
1413         struct req_que *req = ha->req_q_map[0];
1414         struct rsp_que *rsp = ha->rsp_q_map[0];
1415
1416 /* Setup ring parameters in initialization control block. */
1417         icb = (struct init_cb_24xx *)ha->init_cb;
1418         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1419         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1420         icb->request_q_length = cpu_to_le16(req->length);
1421         icb->response_q_length = cpu_to_le16(rsp->length);
1422         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1423         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1424         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1425         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1426
1427         if (ha->mqenable) {
1428                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1429                 icb->rid = __constant_cpu_to_le16(rid);
1430                 if (ha->flags.msix_enabled) {
1431                         msix = &ha->msix_entries[1];
1432                         DEBUG2_17(printk(KERN_INFO
1433                         "Registering vector 0x%x for base que\n", msix->entry));
1434                         icb->msix = cpu_to_le16(msix->entry);
1435                 }
1436                 /* Use alternate PCI bus number */
1437                 if (MSB(rid))
1438                         icb->firmware_options_2 |=
1439                                 __constant_cpu_to_le32(BIT_19);
1440                 /* Use alternate PCI devfn */
1441                 if (LSB(rid))
1442                         icb->firmware_options_2 |=
1443                                 __constant_cpu_to_le32(BIT_18);
1444
1445                 icb->firmware_options_2 &= __constant_cpu_to_le32(~BIT_22);
1446                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1447
1448                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1449                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1450                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1451                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1452         } else {
1453                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1454                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1455                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1456                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1457         }
1458         /* PCI posting */
1459         RD_REG_DWORD(&ioreg->hccr);
1460 }
1461
1462 /**
1463  * qla2x00_init_rings() - Initializes firmware.
1464  * @ha: HA context
1465  *
1466  * Beginning of request ring has initialization control block already built
1467  * by nvram config routine.
1468  *
1469  * Returns 0 on success.
1470  */
1471 static int
1472 qla2x00_init_rings(scsi_qla_host_t *vha)
1473 {
1474         int     rval;
1475         unsigned long flags = 0;
1476         int cnt, que;
1477         struct qla_hw_data *ha = vha->hw;
1478         struct req_que *req;
1479         struct rsp_que *rsp;
1480         struct scsi_qla_host *vp;
1481         struct mid_init_cb_24xx *mid_init_cb =
1482             (struct mid_init_cb_24xx *) ha->init_cb;
1483
1484         spin_lock_irqsave(&ha->hardware_lock, flags);
1485
1486         /* Clear outstanding commands array. */
1487         for (que = 0; que < ha->max_req_queues; que++) {
1488                 req = ha->req_q_map[que];
1489                 if (!req)
1490                         continue;
1491                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1492                         req->outstanding_cmds[cnt] = NULL;
1493
1494                 req->current_outstanding_cmd = 1;
1495
1496                 /* Initialize firmware. */
1497                 req->ring_ptr  = req->ring;
1498                 req->ring_index    = 0;
1499                 req->cnt      = req->length;
1500         }
1501
1502         for (que = 0; que < ha->max_rsp_queues; que++) {
1503                 rsp = ha->rsp_q_map[que];
1504                 if (!rsp)
1505                         continue;
1506                 /* Initialize response queue entries */
1507                 qla2x00_init_response_q_entries(rsp);
1508         }
1509
1510         /* Clear RSCN queue. */
1511         list_for_each_entry(vp, &ha->vp_list, list) {
1512                 vp->rscn_in_ptr = 0;
1513                 vp->rscn_out_ptr = 0;
1514         }
1515         ha->isp_ops->config_rings(vha);
1516
1517         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1518
1519         /* Update any ISP specific firmware options before initialization. */
1520         ha->isp_ops->update_fw_options(vha);
1521
1522         DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1523
1524         if (ha->flags.npiv_supported) {
1525                 if (ha->operating_mode == LOOP)
1526                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1527                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1528         }
1529
1530         if (IS_FWI2_CAPABLE(ha)) {
1531                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1532                 mid_init_cb->init_cb.execution_throttle =
1533                     cpu_to_le16(ha->fw_xcb_count);
1534         }
1535
1536         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1537         if (rval) {
1538                 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1539                     vha->host_no));
1540         } else {
1541                 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1542                     vha->host_no));
1543         }
1544
1545         return (rval);
1546 }
1547
1548 /**
1549  * qla2x00_fw_ready() - Waits for firmware ready.
1550  * @ha: HA context
1551  *
1552  * Returns 0 on success.
1553  */
1554 static int
1555 qla2x00_fw_ready(scsi_qla_host_t *vha)
1556 {
1557         int             rval;
1558         unsigned long   wtime, mtime, cs84xx_time;
1559         uint16_t        min_wait;       /* Minimum wait time if loop is down */
1560         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1561         uint16_t        state[5];
1562         struct qla_hw_data *ha = vha->hw;
1563
1564         rval = QLA_SUCCESS;
1565
1566         /* 20 seconds for loop down. */
1567         min_wait = 20;
1568
1569         /*
1570          * Firmware should take at most one RATOV to login, plus 5 seconds for
1571          * our own processing.
1572          */
1573         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1574                 wait_time = min_wait;
1575         }
1576
1577         /* Min wait time if loop down */
1578         mtime = jiffies + (min_wait * HZ);
1579
1580         /* wait time before firmware ready */
1581         wtime = jiffies + (wait_time * HZ);
1582
1583         /* Wait for ISP to finish LIP */
1584         if (!vha->flags.init_done)
1585                 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1586
1587         DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1588             vha->host_no));
1589
1590         do {
1591                 rval = qla2x00_get_firmware_state(vha, state);
1592                 if (rval == QLA_SUCCESS) {
1593                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
1594                                 vha->device_flags &= ~DFLG_NO_CABLE;
1595                         }
1596                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1597                                 DEBUG16(printk("scsi(%ld): fw_state=%x "
1598                                     "84xx=%x.\n", vha->host_no, state[0],
1599                                     state[2]));
1600                                 if ((state[2] & FSTATE_LOGGED_IN) &&
1601                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1602                                         DEBUG16(printk("scsi(%ld): Sending "
1603                                             "verify iocb.\n", vha->host_no));
1604
1605                                         cs84xx_time = jiffies;
1606                                         rval = qla84xx_init_chip(vha);
1607                                         if (rval != QLA_SUCCESS)
1608                                                 break;
1609
1610                                         /* Add time taken to initialize. */
1611                                         cs84xx_time = jiffies - cs84xx_time;
1612                                         wtime += cs84xx_time;
1613                                         mtime += cs84xx_time;
1614                                         DEBUG16(printk("scsi(%ld): Increasing "
1615                                             "wait time by %ld. New time %ld\n",
1616                                             vha->host_no, cs84xx_time, wtime));
1617                                 }
1618                         } else if (state[0] == FSTATE_READY) {
1619                                 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1620                                     vha->host_no));
1621
1622                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1623                                     &ha->login_timeout, &ha->r_a_tov);
1624
1625                                 rval = QLA_SUCCESS;
1626                                 break;
1627                         }
1628
1629                         rval = QLA_FUNCTION_FAILED;
1630
1631                         if (atomic_read(&vha->loop_down_timer) &&
1632                             state[0] != FSTATE_READY) {
1633                                 /* Loop down. Timeout on min_wait for states
1634                                  * other than Wait for Login.
1635                                  */
1636                                 if (time_after_eq(jiffies, mtime)) {
1637                                         qla_printk(KERN_INFO, ha,
1638                                             "Cable is unplugged...\n");
1639
1640                                         vha->device_flags |= DFLG_NO_CABLE;
1641                                         break;
1642                                 }
1643                         }
1644                 } else {
1645                         /* Mailbox cmd failed. Timeout on min_wait. */
1646                         if (time_after_eq(jiffies, mtime))
1647                                 break;
1648                 }
1649
1650                 if (time_after_eq(jiffies, wtime))
1651                         break;
1652
1653                 /* Delay for a while */
1654                 msleep(500);
1655
1656                 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1657                     vha->host_no, state[0], jiffies));
1658         } while (1);
1659
1660         DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1661             vha->host_no, state[0], state[1], state[2], state[3], state[4],
1662             jiffies));
1663
1664         if (rval) {
1665                 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1666                     vha->host_no));
1667         }
1668
1669         return (rval);
1670 }
1671
1672 /*
1673 *  qla2x00_configure_hba
1674 *      Setup adapter context.
1675 *
1676 * Input:
1677 *      ha = adapter state pointer.
1678 *
1679 * Returns:
1680 *      0 = success
1681 *
1682 * Context:
1683 *      Kernel context.
1684 */
1685 static int
1686 qla2x00_configure_hba(scsi_qla_host_t *vha)
1687 {
1688         int       rval;
1689         uint16_t      loop_id;
1690         uint16_t      topo;
1691         uint16_t      sw_cap;
1692         uint8_t       al_pa;
1693         uint8_t       area;
1694         uint8_t       domain;
1695         char            connect_type[22];
1696         struct qla_hw_data *ha = vha->hw;
1697
1698         /* Get host addresses. */
1699         rval = qla2x00_get_adapter_id(vha,
1700             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1701         if (rval != QLA_SUCCESS) {
1702                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
1703                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1704                         DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1705                             __func__, vha->host_no));
1706                 } else {
1707                         qla_printk(KERN_WARNING, ha,
1708                             "ERROR -- Unable to get host loop ID.\n");
1709                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1710                 }
1711                 return (rval);
1712         }
1713
1714         if (topo == 4) {
1715                 qla_printk(KERN_INFO, ha,
1716                         "Cannot get topology - retrying.\n");
1717                 return (QLA_FUNCTION_FAILED);
1718         }
1719
1720         vha->loop_id = loop_id;
1721
1722         /* initialize */
1723         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1724         ha->operating_mode = LOOP;
1725         ha->switch_cap = 0;
1726
1727         switch (topo) {
1728         case 0:
1729                 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1730                     vha->host_no));
1731                 ha->current_topology = ISP_CFG_NL;
1732                 strcpy(connect_type, "(Loop)");
1733                 break;
1734
1735         case 1:
1736                 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1737                     vha->host_no));
1738                 ha->switch_cap = sw_cap;
1739                 ha->current_topology = ISP_CFG_FL;
1740                 strcpy(connect_type, "(FL_Port)");
1741                 break;
1742
1743         case 2:
1744                 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1745                     vha->host_no));
1746                 ha->operating_mode = P2P;
1747                 ha->current_topology = ISP_CFG_N;
1748                 strcpy(connect_type, "(N_Port-to-N_Port)");
1749                 break;
1750
1751         case 3:
1752                 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1753                     vha->host_no));
1754                 ha->switch_cap = sw_cap;
1755                 ha->operating_mode = P2P;
1756                 ha->current_topology = ISP_CFG_F;
1757                 strcpy(connect_type, "(F_Port)");
1758                 break;
1759
1760         default:
1761                 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1762                     "Using NL.\n",
1763                     vha->host_no, topo));
1764                 ha->current_topology = ISP_CFG_NL;
1765                 strcpy(connect_type, "(Loop)");
1766                 break;
1767         }
1768
1769         /* Save Host port and loop ID. */
1770         /* byte order - Big Endian */
1771         vha->d_id.b.domain = domain;
1772         vha->d_id.b.area = area;
1773         vha->d_id.b.al_pa = al_pa;
1774
1775         if (!vha->flags.init_done)
1776                 qla_printk(KERN_INFO, ha,
1777                     "Topology - %s, Host Loop address 0x%x\n",
1778                     connect_type, vha->loop_id);
1779
1780         if (rval) {
1781                 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1782         } else {
1783                 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1784         }
1785
1786         return(rval);
1787 }
1788
1789 static inline void
1790 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1791         char *def)
1792 {
1793         char *st, *en;
1794         uint16_t index;
1795         struct qla_hw_data *ha = vha->hw;
1796         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1797             !IS_QLA81XX(ha);
1798
1799         if (memcmp(model, BINZERO, len) != 0) {
1800                 strncpy(ha->model_number, model, len);
1801                 st = en = ha->model_number;
1802                 en += len - 1;
1803                 while (en > st) {
1804                         if (*en != 0x20 && *en != 0x00)
1805                                 break;
1806                         *en-- = '\0';
1807                 }
1808
1809                 index = (ha->pdev->subsystem_device & 0xff);
1810                 if (use_tbl &&
1811                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1812                     index < QLA_MODEL_NAMES)
1813                         strncpy(ha->model_desc,
1814                             qla2x00_model_name[index * 2 + 1],
1815                             sizeof(ha->model_desc) - 1);
1816         } else {
1817                 index = (ha->pdev->subsystem_device & 0xff);
1818                 if (use_tbl &&
1819                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1820                     index < QLA_MODEL_NAMES) {
1821                         strcpy(ha->model_number,
1822                             qla2x00_model_name[index * 2]);
1823                         strncpy(ha->model_desc,
1824                             qla2x00_model_name[index * 2 + 1],
1825                             sizeof(ha->model_desc) - 1);
1826                 } else {
1827                         strcpy(ha->model_number, def);
1828                 }
1829         }
1830         if (IS_FWI2_CAPABLE(ha))
1831                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1832                     sizeof(ha->model_desc));
1833 }
1834
1835 /* On sparc systems, obtain port and node WWN from firmware
1836  * properties.
1837  */
1838 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
1839 {
1840 #ifdef CONFIG_SPARC
1841         struct qla_hw_data *ha = vha->hw;
1842         struct pci_dev *pdev = ha->pdev;
1843         struct device_node *dp = pci_device_to_OF_node(pdev);
1844         const u8 *val;
1845         int len;
1846
1847         val = of_get_property(dp, "port-wwn", &len);
1848         if (val && len >= WWN_SIZE)
1849                 memcpy(nv->port_name, val, WWN_SIZE);
1850
1851         val = of_get_property(dp, "node-wwn", &len);
1852         if (val && len >= WWN_SIZE)
1853                 memcpy(nv->node_name, val, WWN_SIZE);
1854 #endif
1855 }
1856
1857 /*
1858 * NVRAM configuration for ISP 2xxx
1859 *
1860 * Input:
1861 *      ha                = adapter block pointer.
1862 *
1863 * Output:
1864 *      initialization control block in response_ring
1865 *      host adapters parameters in host adapter block
1866 *
1867 * Returns:
1868 *      0 = success.
1869 */
1870 int
1871 qla2x00_nvram_config(scsi_qla_host_t *vha)
1872 {
1873         int             rval;
1874         uint8_t         chksum = 0;
1875         uint16_t        cnt;
1876         uint8_t         *dptr1, *dptr2;
1877         struct qla_hw_data *ha = vha->hw;
1878         init_cb_t       *icb = ha->init_cb;
1879         nvram_t         *nv = ha->nvram;
1880         uint8_t         *ptr = ha->nvram;
1881         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1882
1883         rval = QLA_SUCCESS;
1884
1885         /* Determine NVRAM starting address. */
1886         ha->nvram_size = sizeof(nvram_t);
1887         ha->nvram_base = 0;
1888         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1889                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1890                         ha->nvram_base = 0x80;
1891
1892         /* Get NVRAM data and calculate checksum. */
1893         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
1894         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1895                 chksum += *ptr++;
1896
1897         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
1898         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1899
1900         /* Bad NVRAM data, set defaults parameters. */
1901         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1902             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1903                 /* Reset NVRAM data. */
1904                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1905                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1906                     nv->nvram_version);
1907                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1908                     "invalid -- WWPN) defaults.\n");
1909
1910                 /*
1911                  * Set default initialization control block.
1912                  */
1913                 memset(nv, 0, ha->nvram_size);
1914                 nv->parameter_block_version = ICB_VERSION;
1915
1916                 if (IS_QLA23XX(ha)) {
1917                         nv->firmware_options[0] = BIT_2 | BIT_1;
1918                         nv->firmware_options[1] = BIT_7 | BIT_5;
1919                         nv->add_firmware_options[0] = BIT_5;
1920                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
1921                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
1922                         nv->special_options[1] = BIT_7;
1923                 } else if (IS_QLA2200(ha)) {
1924                         nv->firmware_options[0] = BIT_2 | BIT_1;
1925                         nv->firmware_options[1] = BIT_7 | BIT_5;
1926                         nv->add_firmware_options[0] = BIT_5;
1927                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
1928                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
1929                 } else if (IS_QLA2100(ha)) {
1930                         nv->firmware_options[0] = BIT_3 | BIT_1;
1931                         nv->firmware_options[1] = BIT_5;
1932                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
1933                 }
1934
1935                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1936                 nv->execution_throttle = __constant_cpu_to_le16(16);
1937                 nv->retry_count = 8;
1938                 nv->retry_delay = 1;
1939
1940                 nv->port_name[0] = 33;
1941                 nv->port_name[3] = 224;
1942                 nv->port_name[4] = 139;
1943
1944                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
1945
1946                 nv->login_timeout = 4;
1947
1948                 /*
1949                  * Set default host adapter parameters
1950                  */
1951                 nv->host_p[1] = BIT_2;
1952                 nv->reset_delay = 5;
1953                 nv->port_down_retry_count = 8;
1954                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1955                 nv->link_down_timeout = 60;
1956
1957                 rval = 1;
1958         }
1959
1960 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1961         /*
1962          * The SN2 does not provide BIOS emulation which means you can't change
1963          * potentially bogus BIOS settings. Force the use of default settings
1964          * for link rate and frame size.  Hope that the rest of the settings
1965          * are valid.
1966          */
1967         if (ia64_platform_is("sn2")) {
1968                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1969                 if (IS_QLA23XX(ha))
1970                         nv->special_options[1] = BIT_7;
1971         }
1972 #endif
1973
1974         /* Reset Initialization control block */
1975         memset(icb, 0, ha->init_cb_size);
1976
1977         /*
1978          * Setup driver NVRAM options.
1979          */
1980         nv->firmware_options[0] |= (BIT_6 | BIT_1);
1981         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1982         nv->firmware_options[1] |= (BIT_5 | BIT_0);
1983         nv->firmware_options[1] &= ~BIT_4;
1984
1985         if (IS_QLA23XX(ha)) {
1986                 nv->firmware_options[0] |= BIT_2;
1987                 nv->firmware_options[0] &= ~BIT_3;
1988                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1989
1990                 if (IS_QLA2300(ha)) {
1991                         if (ha->fb_rev == FPM_2310) {
1992                                 strcpy(ha->model_number, "QLA2310");
1993                         } else {
1994                                 strcpy(ha->model_number, "QLA2300");
1995                         }
1996                 } else {
1997                         qla2x00_set_model_info(vha, nv->model_number,
1998                             sizeof(nv->model_number), "QLA23xx");
1999                 }
2000         } else if (IS_QLA2200(ha)) {
2001                 nv->firmware_options[0] |= BIT_2;
2002                 /*
2003                  * 'Point-to-point preferred, else loop' is not a safe
2004                  * connection mode setting.
2005                  */
2006                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2007                     (BIT_5 | BIT_4)) {
2008                         /* Force 'loop preferred, else point-to-point'. */
2009                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2010                         nv->add_firmware_options[0] |= BIT_5;
2011                 }
2012                 strcpy(ha->model_number, "QLA22xx");
2013         } else /*if (IS_QLA2100(ha))*/ {
2014                 strcpy(ha->model_number, "QLA2100");
2015         }
2016
2017         /*
2018          * Copy over NVRAM RISC parameter block to initialization control block.
2019          */
2020         dptr1 = (uint8_t *)icb;
2021         dptr2 = (uint8_t *)&nv->parameter_block_version;
2022         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2023         while (cnt--)
2024                 *dptr1++ = *dptr2++;
2025
2026         /* Copy 2nd half. */
2027         dptr1 = (uint8_t *)icb->add_firmware_options;
2028         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2029         while (cnt--)
2030                 *dptr1++ = *dptr2++;
2031
2032         /* Use alternate WWN? */
2033         if (nv->host_p[1] & BIT_7) {
2034                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2035                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2036         }
2037
2038         /* Prepare nodename */
2039         if ((icb->firmware_options[1] & BIT_6) == 0) {
2040                 /*
2041                  * Firmware will apply the following mask if the nodename was
2042                  * not provided.
2043                  */
2044                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2045                 icb->node_name[0] &= 0xF0;
2046         }
2047
2048         /*
2049          * Set host adapter parameters.
2050          */
2051         if (nv->host_p[0] & BIT_7)
2052                 ql2xextended_error_logging = 1;
2053         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2054         /* Always load RISC code on non ISP2[12]00 chips. */
2055         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2056                 ha->flags.disable_risc_code_load = 0;
2057         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2058         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2059         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2060         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2061         ha->flags.disable_serdes = 0;
2062
2063         ha->operating_mode =
2064             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2065
2066         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2067             sizeof(ha->fw_seriallink_options));
2068
2069         /* save HBA serial number */
2070         ha->serial0 = icb->port_name[5];
2071         ha->serial1 = icb->port_name[6];
2072         ha->serial2 = icb->port_name[7];
2073         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2074         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2075
2076         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2077
2078         ha->retry_count = nv->retry_count;
2079
2080         /* Set minimum login_timeout to 4 seconds. */
2081         if (nv->login_timeout < ql2xlogintimeout)
2082                 nv->login_timeout = ql2xlogintimeout;
2083         if (nv->login_timeout < 4)
2084                 nv->login_timeout = 4;
2085         ha->login_timeout = nv->login_timeout;
2086         icb->login_timeout = nv->login_timeout;
2087
2088         /* Set minimum RATOV to 100 tenths of a second. */
2089         ha->r_a_tov = 100;
2090
2091         ha->loop_reset_delay = nv->reset_delay;
2092
2093         /* Link Down Timeout = 0:
2094          *
2095          *      When Port Down timer expires we will start returning
2096          *      I/O's to OS with "DID_NO_CONNECT".
2097          *
2098          * Link Down Timeout != 0:
2099          *
2100          *       The driver waits for the link to come up after link down
2101          *       before returning I/Os to OS with "DID_NO_CONNECT".
2102          */
2103         if (nv->link_down_timeout == 0) {
2104                 ha->loop_down_abort_time =
2105                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2106         } else {
2107                 ha->link_down_timeout =  nv->link_down_timeout;
2108                 ha->loop_down_abort_time =
2109                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2110         }
2111
2112         /*
2113          * Need enough time to try and get the port back.
2114          */
2115         ha->port_down_retry_count = nv->port_down_retry_count;
2116         if (qlport_down_retry)
2117                 ha->port_down_retry_count = qlport_down_retry;
2118         /* Set login_retry_count */
2119         ha->login_retry_count  = nv->retry_count;
2120         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2121             ha->port_down_retry_count > 3)
2122                 ha->login_retry_count = ha->port_down_retry_count;
2123         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2124                 ha->login_retry_count = ha->port_down_retry_count;
2125         if (ql2xloginretrycount)
2126                 ha->login_retry_count = ql2xloginretrycount;
2127
2128         icb->lun_enables = __constant_cpu_to_le16(0);
2129         icb->command_resource_count = 0;
2130         icb->immediate_notify_resource_count = 0;
2131         icb->timeout = __constant_cpu_to_le16(0);
2132
2133         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2134                 /* Enable RIO */
2135                 icb->firmware_options[0] &= ~BIT_3;
2136                 icb->add_firmware_options[0] &=
2137                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2138                 icb->add_firmware_options[0] |= BIT_2;
2139                 icb->response_accumulation_timer = 3;
2140                 icb->interrupt_delay_timer = 5;
2141
2142                 vha->flags.process_response_queue = 1;
2143         } else {
2144                 /* Enable ZIO. */
2145                 if (!vha->flags.init_done) {
2146                         ha->zio_mode = icb->add_firmware_options[0] &
2147                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2148                         ha->zio_timer = icb->interrupt_delay_timer ?
2149                             icb->interrupt_delay_timer: 2;
2150                 }
2151                 icb->add_firmware_options[0] &=
2152                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2153                 vha->flags.process_response_queue = 0;
2154                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2155                         ha->zio_mode = QLA_ZIO_MODE_6;
2156
2157                         DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
2158                             "delay (%d us).\n", vha->host_no, ha->zio_mode,
2159                             ha->zio_timer * 100));
2160                         qla_printk(KERN_INFO, ha,
2161                             "ZIO mode %d enabled; timer delay (%d us).\n",
2162                             ha->zio_mode, ha->zio_timer * 100);
2163
2164                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2165                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2166                         vha->flags.process_response_queue = 1;
2167                 }
2168         }
2169
2170         if (rval) {
2171                 DEBUG2_3(printk(KERN_WARNING
2172                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
2173         }
2174         return (rval);
2175 }
2176
2177 static void
2178 qla2x00_rport_del(void *data)
2179 {
2180         fc_port_t *fcport = data;
2181         struct fc_rport *rport;
2182
2183         spin_lock_irq(fcport->vha->host->host_lock);
2184         rport = fcport->drport ? fcport->drport: fcport->rport;
2185         fcport->drport = NULL;
2186         spin_unlock_irq(fcport->vha->host->host_lock);
2187         if (rport)
2188                 fc_remote_port_delete(rport);
2189 }
2190
2191 /**
2192  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2193  * @ha: HA context
2194  * @flags: allocation flags
2195  *
2196  * Returns a pointer to the allocated fcport, or NULL, if none available.
2197  */
2198 static fc_port_t *
2199 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2200 {
2201         fc_port_t *fcport;
2202
2203         fcport = kzalloc(sizeof(fc_port_t), flags);
2204         if (!fcport)
2205                 return NULL;
2206
2207         /* Setup fcport template structure. */
2208         fcport->vha = vha;
2209         fcport->vp_idx = vha->vp_idx;
2210         fcport->port_type = FCT_UNKNOWN;
2211         fcport->loop_id = FC_NO_LOOP_ID;
2212         atomic_set(&fcport->state, FCS_UNCONFIGURED);
2213         fcport->supported_classes = FC_COS_UNSPECIFIED;
2214
2215         return fcport;
2216 }
2217
2218 /*
2219  * qla2x00_configure_loop
2220  *      Updates Fibre Channel Device Database with what is actually on loop.
2221  *
2222  * Input:
2223  *      ha                = adapter block pointer.
2224  *
2225  * Returns:
2226  *      0 = success.
2227  *      1 = error.
2228  *      2 = database was full and device was not configured.
2229  */
2230 static int
2231 qla2x00_configure_loop(scsi_qla_host_t *vha)
2232 {
2233         int  rval;
2234         unsigned long flags, save_flags;
2235         struct qla_hw_data *ha = vha->hw;
2236         rval = QLA_SUCCESS;
2237
2238         /* Get Initiator ID */
2239         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2240                 rval = qla2x00_configure_hba(vha);
2241                 if (rval != QLA_SUCCESS) {
2242                         DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2243                             vha->host_no));
2244                         return (rval);
2245                 }
2246         }
2247
2248         save_flags = flags = vha->dpc_flags;
2249         DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2250             vha->host_no, flags));
2251
2252         /*
2253          * If we have both an RSCN and PORT UPDATE pending then handle them
2254          * both at the same time.
2255          */
2256         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2257         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2258
2259         /* Determine what we need to do */
2260         if (ha->current_topology == ISP_CFG_FL &&
2261             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2262
2263                 vha->flags.rscn_queue_overflow = 1;
2264                 set_bit(RSCN_UPDATE, &flags);
2265
2266         } else if (ha->current_topology == ISP_CFG_F &&
2267             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2268
2269                 vha->flags.rscn_queue_overflow = 1;
2270                 set_bit(RSCN_UPDATE, &flags);
2271                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2272
2273         } else if (ha->current_topology == ISP_CFG_N) {
2274                 clear_bit(RSCN_UPDATE, &flags);
2275
2276         } else if (!vha->flags.online ||
2277             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2278
2279                 vha->flags.rscn_queue_overflow = 1;
2280                 set_bit(RSCN_UPDATE, &flags);
2281                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2282         }
2283
2284         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2285                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2286                         rval = QLA_FUNCTION_FAILED;
2287                 else
2288                         rval = qla2x00_configure_local_loop(vha);
2289         }
2290
2291         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2292                 if (LOOP_TRANSITION(vha))
2293                         rval = QLA_FUNCTION_FAILED;
2294                 else
2295                         rval = qla2x00_configure_fabric(vha);
2296         }
2297
2298         if (rval == QLA_SUCCESS) {
2299                 if (atomic_read(&vha->loop_down_timer) ||
2300                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2301                         rval = QLA_FUNCTION_FAILED;
2302                 } else {
2303                         atomic_set(&vha->loop_state, LOOP_READY);
2304
2305                         DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2306                 }
2307         }
2308
2309         if (rval) {
2310                 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2311                     __func__, vha->host_no));
2312         } else {
2313                 DEBUG3(printk("%s: exiting normally\n", __func__));
2314         }
2315
2316         /* Restore state if a resync event occurred during processing */
2317         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2318                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2319                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2320                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2321                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2322                         vha->flags.rscn_queue_overflow = 1;
2323                 }
2324         }
2325
2326         return (rval);
2327 }
2328
2329
2330
2331 /*
2332  * qla2x00_configure_local_loop
2333  *      Updates Fibre Channel Device Database with local loop devices.
2334  *
2335  * Input:
2336  *      ha = adapter block pointer.
2337  *
2338  * Returns:
2339  *      0 = success.
2340  */
2341 static int
2342 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2343 {
2344         int             rval, rval2;
2345         int             found_devs;
2346         int             found;
2347         fc_port_t       *fcport, *new_fcport;
2348
2349         uint16_t        index;
2350         uint16_t        entries;
2351         char            *id_iter;
2352         uint16_t        loop_id;
2353         uint8_t         domain, area, al_pa;
2354         struct qla_hw_data *ha = vha->hw;
2355
2356         found_devs = 0;
2357         new_fcport = NULL;
2358         entries = MAX_FIBRE_DEVICES;
2359
2360         DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2361         DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2362
2363         /* Get list of logged in devices. */
2364         memset(ha->gid_list, 0, GID_LIST_SIZE);
2365         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2366             &entries);
2367         if (rval != QLA_SUCCESS)
2368                 goto cleanup_allocation;
2369
2370         DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2371             vha->host_no, entries));
2372         DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2373             entries * sizeof(struct gid_list_info)));
2374
2375         /* Allocate temporary fcport for any new fcports discovered. */
2376         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2377         if (new_fcport == NULL) {
2378                 rval = QLA_MEMORY_ALLOC_FAILED;
2379                 goto cleanup_allocation;
2380         }
2381         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2382
2383         /*
2384          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2385          */
2386         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2387                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2388                     fcport->port_type != FCT_BROADCAST &&
2389                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2390
2391                         DEBUG(printk("scsi(%ld): Marking port lost, "
2392                             "loop_id=0x%04x\n",
2393                             vha->host_no, fcport->loop_id));
2394
2395                         atomic_set(&fcport->state, FCS_DEVICE_LOST);
2396                 }
2397         }
2398
2399         /* Add devices to port list. */
2400         id_iter = (char *)ha->gid_list;
2401         for (index = 0; index < entries; index++) {
2402                 domain = ((struct gid_list_info *)id_iter)->domain;
2403                 area = ((struct gid_list_info *)id_iter)->area;
2404                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2405                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2406                         loop_id = (uint16_t)
2407                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2408                 else
2409                         loop_id = le16_to_cpu(
2410                             ((struct gid_list_info *)id_iter)->loop_id);
2411                 id_iter += ha->gid_list_info_size;
2412
2413                 /* Bypass reserved domain fields. */
2414                 if ((domain & 0xf0) == 0xf0)
2415                         continue;
2416
2417                 /* Bypass if not same domain and area of adapter. */
2418                 if (area && domain &&
2419                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2420                         continue;
2421
2422                 /* Bypass invalid local loop ID. */
2423                 if (loop_id > LAST_LOCAL_LOOP_ID)
2424                         continue;
2425
2426                 /* Fill in member data. */
2427                 new_fcport->d_id.b.domain = domain;
2428                 new_fcport->d_id.b.area = area;
2429                 new_fcport->d_id.b.al_pa = al_pa;
2430                 new_fcport->loop_id = loop_id;
2431                 new_fcport->vp_idx = vha->vp_idx;
2432                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2433                 if (rval2 != QLA_SUCCESS) {
2434                         DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2435                             "information -- get_port_database=%x, "
2436                             "loop_id=0x%04x\n",
2437                             vha->host_no, rval2, new_fcport->loop_id));
2438                         DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2439                             vha->host_no));
2440                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2441                         continue;
2442                 }
2443
2444                 /* Check for matching device in port list. */
2445                 found = 0;
2446                 fcport = NULL;
2447                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2448                         if (memcmp(new_fcport->port_name, fcport->port_name,
2449                             WWN_SIZE))
2450                                 continue;
2451
2452                         fcport->flags &= ~FCF_FABRIC_DEVICE;
2453                         fcport->loop_id = new_fcport->loop_id;
2454                         fcport->port_type = new_fcport->port_type;
2455                         fcport->d_id.b24 = new_fcport->d_id.b24;
2456                         memcpy(fcport->node_name, new_fcport->node_name,
2457                             WWN_SIZE);
2458
2459                         found++;
2460                         break;
2461                 }
2462
2463                 if (!found) {
2464                         /* New device, add to fcports list. */
2465                         if (vha->vp_idx) {
2466                                 new_fcport->vha = vha;
2467                                 new_fcport->vp_idx = vha->vp_idx;
2468                         }
2469                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
2470
2471                         /* Allocate a new replacement fcport. */
2472                         fcport = new_fcport;
2473                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2474                         if (new_fcport == NULL) {
2475                                 rval = QLA_MEMORY_ALLOC_FAILED;
2476                                 goto cleanup_allocation;
2477                         }
2478                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2479                 }
2480
2481                 /* Base iIDMA settings on HBA port speed. */
2482                 fcport->fp_speed = ha->link_data_rate;
2483
2484                 qla2x00_update_fcport(vha, fcport);
2485
2486                 found_devs++;
2487         }
2488
2489 cleanup_allocation:
2490         kfree(new_fcport);
2491
2492         if (rval != QLA_SUCCESS) {
2493                 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2494                     "rval=%x\n", vha->host_no, rval));
2495         }
2496
2497         return (rval);
2498 }
2499
2500 static void
2501 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2502 {
2503 #define LS_UNKNOWN      2
2504         static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2505         char *link_speed;
2506         int rval;
2507         uint16_t mb[4];
2508         struct qla_hw_data *ha = vha->hw;
2509
2510         if (!IS_IIDMA_CAPABLE(ha))
2511                 return;
2512
2513         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2514             fcport->fp_speed > ha->link_data_rate)
2515                 return;
2516
2517         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2518             mb);
2519         if (rval != QLA_SUCCESS) {
2520                 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2521                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2522                     vha->host_no, fcport->port_name[0], fcport->port_name[1],
2523                     fcport->port_name[2], fcport->port_name[3],
2524                     fcport->port_name[4], fcport->port_name[5],
2525                     fcport->port_name[6], fcport->port_name[7], rval,
2526                     fcport->fp_speed, mb[0], mb[1]));
2527         } else {
2528                 link_speed = link_speeds[LS_UNKNOWN];
2529                 if (fcport->fp_speed < 5)
2530                         link_speed = link_speeds[fcport->fp_speed];
2531                 else if (fcport->fp_speed == 0x13)
2532                         link_speed = link_speeds[5];
2533                 DEBUG2(qla_printk(KERN_INFO, ha,
2534                     "iIDMA adjusted to %s GB/s on "
2535                     "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2536                     link_speed, fcport->port_name[0],
2537                     fcport->port_name[1], fcport->port_name[2],
2538                     fcport->port_name[3], fcport->port_name[4],
2539                     fcport->port_name[5], fcport->port_name[6],
2540                     fcport->port_name[7]));
2541         }
2542 }
2543
2544 static void
2545 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2546 {
2547         struct fc_rport_identifiers rport_ids;
2548         struct fc_rport *rport;
2549         struct qla_hw_data *ha = vha->hw;
2550
2551         qla2x00_rport_del(fcport);
2552
2553         rport_ids.node_name = wwn_to_u64(fcport->node_name);
2554         rport_ids.port_name = wwn_to_u64(fcport->port_name);
2555         rport_ids.port_id = fcport->d_id.b.domain << 16 |
2556             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2557         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2558         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2559         if (!rport) {
2560                 qla_printk(KERN_WARNING, ha,
2561                     "Unable to allocate fc remote port!\n");
2562                 return;
2563         }
2564         spin_lock_irq(fcport->vha->host->host_lock);
2565         *((fc_port_t **)rport->dd_data) = fcport;
2566         spin_unlock_irq(fcport->vha->host->host_lock);
2567
2568         rport->supported_classes = fcport->supported_classes;
2569
2570         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2571         if (fcport->port_type == FCT_INITIATOR)
2572                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2573         if (fcport->port_type == FCT_TARGET)
2574                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2575         fc_remote_port_rolechg(rport, rport_ids.roles);
2576 }
2577
2578 /*
2579  * qla2x00_update_fcport
2580  *      Updates device on list.
2581  *
2582  * Input:
2583  *      ha = adapter block pointer.
2584  *      fcport = port structure pointer.
2585  *
2586  * Return:
2587  *      0  - Success
2588  *  BIT_0 - error
2589  *
2590  * Context:
2591  *      Kernel context.
2592  */
2593 void
2594 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2595 {
2596         struct qla_hw_data *ha = vha->hw;
2597
2598         fcport->vha = vha;
2599         fcport->login_retry = 0;
2600         fcport->port_login_retry_count = ha->port_down_retry_count *
2601             PORT_RETRY_TIME;
2602         atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2603             PORT_RETRY_TIME);
2604         fcport->flags &= ~FCF_LOGIN_NEEDED;
2605
2606         qla2x00_iidma_fcport(vha, fcport);
2607
2608         atomic_set(&fcport->state, FCS_ONLINE);
2609
2610         qla2x00_reg_remote_port(vha, fcport);
2611 }
2612
2613 /*
2614  * qla2x00_configure_fabric
2615  *      Setup SNS devices with loop ID's.
2616  *
2617  * Input:
2618  *      ha = adapter block pointer.
2619  *
2620  * Returns:
2621  *      0 = success.
2622  *      BIT_0 = error
2623  */
2624 static int
2625 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2626 {
2627         int     rval, rval2;
2628         fc_port_t       *fcport, *fcptemp;
2629         uint16_t        next_loopid;
2630         uint16_t        mb[MAILBOX_REGISTER_COUNT];
2631         uint16_t        loop_id;
2632         LIST_HEAD(new_fcports);
2633         struct qla_hw_data *ha = vha->hw;
2634         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2635
2636         /* If FL port exists, then SNS is present */
2637         if (IS_FWI2_CAPABLE(ha))
2638                 loop_id = NPH_F_PORT;
2639         else
2640                 loop_id = SNS_FL_PORT;
2641         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2642         if (rval != QLA_SUCCESS) {
2643                 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2644                     "Port\n", vha->host_no));
2645
2646                 vha->device_flags &= ~SWITCH_FOUND;
2647                 return (QLA_SUCCESS);
2648         }
2649         vha->device_flags |= SWITCH_FOUND;
2650
2651         /* Mark devices that need re-synchronization. */
2652         rval2 = qla2x00_device_resync(vha);
2653         if (rval2 == QLA_RSCNS_HANDLED) {
2654                 /* No point doing the scan, just continue. */
2655                 return (QLA_SUCCESS);
2656         }
2657         do {
2658                 /* FDMI support. */
2659                 if (ql2xfdmienable &&
2660                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2661                         qla2x00_fdmi_register(vha);
2662
2663                 /* Ensure we are logged into the SNS. */
2664                 if (IS_FWI2_CAPABLE(ha))
2665                         loop_id = NPH_SNS;
2666                 else
2667                         loop_id = SIMPLE_NAME_SERVER;
2668                 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2669                     0xfc, mb, BIT_1 | BIT_0);
2670                 if (mb[0] != MBS_COMMAND_COMPLETE) {
2671                         DEBUG2(qla_printk(KERN_INFO, ha,
2672                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2673                             "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2674                             mb[0], mb[1], mb[2], mb[6], mb[7]));
2675                         return (QLA_SUCCESS);
2676                 }
2677
2678                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2679                         if (qla2x00_rft_id(vha)) {
2680                                 /* EMPTY */
2681                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2682                                     "TYPE failed.\n", vha->host_no));
2683                         }
2684                         if (qla2x00_rff_id(vha)) {
2685                                 /* EMPTY */
2686                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2687                                     "Features failed.\n", vha->host_no));
2688                         }
2689                         if (qla2x00_rnn_id(vha)) {
2690                                 /* EMPTY */
2691                                 DEBUG2(printk("scsi(%ld): Register Node Name "
2692                                     "failed.\n", vha->host_no));
2693                         } else if (qla2x00_rsnn_nn(vha)) {
2694                                 /* EMPTY */
2695                                 DEBUG2(printk("scsi(%ld): Register Symbolic "
2696                                     "Node Name failed.\n", vha->host_no));
2697                         }
2698                 }
2699
2700                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
2701                 if (rval != QLA_SUCCESS)
2702                         break;
2703
2704                 /*
2705                  * Logout all previous fabric devices marked lost, except
2706                  * tape devices.
2707                  */
2708                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2709                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2710                                 break;
2711
2712                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2713                                 continue;
2714
2715                         if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2716                                 qla2x00_mark_device_lost(vha, fcport,
2717                                     ql2xplogiabsentdevice, 0);
2718                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
2719                                     (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2720                                     fcport->port_type != FCT_INITIATOR &&
2721                                     fcport->port_type != FCT_BROADCAST) {
2722                                         ha->isp_ops->fabric_logout(vha,
2723                                             fcport->loop_id,
2724                                             fcport->d_id.b.domain,
2725                                             fcport->d_id.b.area,
2726                                             fcport->d_id.b.al_pa);
2727                                         fcport->loop_id = FC_NO_LOOP_ID;
2728                                 }
2729                         }
2730                 }
2731
2732                 /* Starting free loop ID. */
2733                 next_loopid = ha->min_external_loopid;
2734
2735                 /*
2736                  * Scan through our port list and login entries that need to be
2737                  * logged in.
2738                  */
2739                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2740                         if (atomic_read(&vha->loop_down_timer) ||
2741                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2742                                 break;
2743
2744                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2745                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2746                                 continue;
2747
2748                         if (fcport->loop_id == FC_NO_LOOP_ID) {
2749                                 fcport->loop_id = next_loopid;
2750                                 rval = qla2x00_find_new_loop_id(
2751                                     base_vha, fcport);
2752                                 if (rval != QLA_SUCCESS) {
2753                                         /* Ran out of IDs to use */
2754                                         break;
2755                                 }
2756                         }
2757                         /* Login and update database */
2758                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2759                 }
2760
2761                 /* Exit if out of loop IDs. */
2762                 if (rval != QLA_SUCCESS) {
2763                         break;
2764                 }
2765
2766                 /*
2767                  * Login and add the new devices to our port list.
2768                  */
2769                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2770                         if (atomic_read(&vha->loop_down_timer) ||
2771                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2772                                 break;
2773
2774                         /* Find a new loop ID to use. */
2775                         fcport->loop_id = next_loopid;
2776                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
2777                         if (rval != QLA_SUCCESS) {
2778                                 /* Ran out of IDs to use */
2779                                 break;
2780                         }
2781
2782                         /* Login and update database */
2783                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2784
2785                         if (vha->vp_idx) {
2786                                 fcport->vha = vha;
2787                                 fcport->vp_idx = vha->vp_idx;
2788                         }
2789                         list_move_tail(&fcport->list, &vha->vp_fcports);
2790                 }
2791         } while (0);
2792
2793         /* Free all new device structures not processed. */
2794         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2795                 list_del(&fcport->list);
2796                 kfree(fcport);
2797         }
2798
2799         if (rval) {
2800                 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2801                     "rval=%d\n", vha->host_no, rval));
2802         }
2803
2804         return (rval);
2805 }
2806
2807
2808 /*
2809  * qla2x00_find_all_fabric_devs
2810  *
2811  * Input:
2812  *      ha = adapter block pointer.
2813  *      dev = database device entry pointer.
2814  *
2815  * Returns:
2816  *      0 = success.
2817  *
2818  * Context:
2819  *      Kernel context.
2820  */
2821 static int
2822 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
2823         struct list_head *new_fcports)
2824 {
2825         int             rval;
2826         uint16_t        loop_id;
2827         fc_port_t       *fcport, *new_fcport, *fcptemp;
2828         int             found;
2829
2830         sw_info_t       *swl;
2831         int             swl_idx;
2832         int             first_dev, last_dev;
2833         port_id_t       wrap, nxt_d_id;
2834         struct qla_hw_data *ha = vha->hw;
2835         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
2836         struct scsi_qla_host *tvp;
2837
2838         rval = QLA_SUCCESS;
2839
2840         /* Try GID_PT to get device list, else GAN. */
2841         swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
2842         if (!swl) {
2843                 /*EMPTY*/
2844                 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2845                     "on GA_NXT\n", vha->host_no));
2846         } else {
2847                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
2848                         kfree(swl);
2849                         swl = NULL;
2850                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
2851                         kfree(swl);
2852                         swl = NULL;
2853                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
2854                         kfree(swl);
2855                         swl = NULL;
2856                 } else if (ql2xiidmaenable &&
2857                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
2858                         qla2x00_gpsc(vha, swl);
2859                 }
2860         }
2861         swl_idx = 0;
2862
2863         /* Allocate temporary fcport for any new fcports discovered. */
2864         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2865         if (new_fcport == NULL) {
2866                 kfree(swl);
2867                 return (QLA_MEMORY_ALLOC_FAILED);
2868         }
2869         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2870         /* Set start port ID scan at adapter ID. */
2871         first_dev = 1;
2872         last_dev = 0;
2873
2874         /* Starting free loop ID. */
2875         loop_id = ha->min_external_loopid;
2876         for (; loop_id <= ha->max_loop_id; loop_id++) {
2877                 if (qla2x00_is_reserved_id(vha, loop_id))
2878                         continue;
2879
2880                 if (atomic_read(&vha->loop_down_timer) || LOOP_TRANSITION(vha))
2881                         break;
2882
2883                 if (swl != NULL) {
2884                         if (last_dev) {
2885                                 wrap.b24 = new_fcport->d_id.b24;
2886                         } else {
2887                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2888                                 memcpy(new_fcport->node_name,
2889                                     swl[swl_idx].node_name, WWN_SIZE);
2890                                 memcpy(new_fcport->port_name,
2891                                     swl[swl_idx].port_name, WWN_SIZE);
2892                                 memcpy(new_fcport->fabric_port_name,
2893                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
2894                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2895
2896                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2897                                         last_dev = 1;
2898                                 }
2899                                 swl_idx++;
2900                         }
2901                 } else {
2902                         /* Send GA_NXT to the switch */
2903                         rval = qla2x00_ga_nxt(vha, new_fcport);
2904                         if (rval != QLA_SUCCESS) {
2905                                 qla_printk(KERN_WARNING, ha,
2906                                     "SNS scan failed -- assuming zero-entry "
2907                                     "result...\n");
2908                                 list_for_each_entry_safe(fcport, fcptemp,
2909                                     new_fcports, list) {
2910                                         list_del(&fcport->list);
2911                                         kfree(fcport);
2912                                 }
2913                                 rval = QLA_SUCCESS;
2914                                 break;
2915                         }
2916                 }
2917
2918                 /* If wrap on switch device list, exit. */
2919                 if (first_dev) {
2920                         wrap.b24 = new_fcport->d_id.b24;
2921                         first_dev = 0;
2922                 } else if (new_fcport->d_id.b24 == wrap.b24) {
2923                         DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2924                             vha->host_no, new_fcport->d_id.b.domain,
2925                             new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2926                         break;
2927                 }
2928
2929                 /* Bypass if same physical adapter. */
2930                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
2931                         continue;
2932
2933                 /* Bypass virtual ports of the same host. */
2934                 found = 0;
2935                 if (ha->num_vhosts) {
2936                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
2937                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
2938                                         found = 1;
2939                                         break;
2940                                 }
2941                         }
2942                         if (found)
2943                                 continue;
2944                 }
2945
2946                 /* Bypass if same domain and area of adapter. */
2947                 if (((new_fcport->d_id.b24 & 0xffff00) ==
2948                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2949                         ISP_CFG_FL)
2950                             continue;
2951
2952                 /* Bypass reserved domain fields. */
2953                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2954                         continue;
2955
2956                 /* Locate matching device in database. */
2957                 found = 0;
2958                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2959                         if (memcmp(new_fcport->port_name, fcport->port_name,
2960                             WWN_SIZE))
2961                                 continue;
2962
2963                         found++;
2964
2965                         /* Update port state. */
2966                         memcpy(fcport->fabric_port_name,
2967                             new_fcport->fabric_port_name, WWN_SIZE);
2968                         fcport->fp_speed = new_fcport->fp_speed;
2969
2970                         /*
2971                          * If address the same and state FCS_ONLINE, nothing
2972                          * changed.
2973                          */
2974                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2975                             atomic_read(&fcport->state) == FCS_ONLINE) {
2976                                 break;
2977                         }
2978
2979                         /*
2980                          * If device was not a fabric device before.
2981                          */
2982                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2983                                 fcport->d_id.b24 = new_fcport->d_id.b24;
2984                                 fcport->loop_id = FC_NO_LOOP_ID;
2985                                 fcport->flags |= (FCF_FABRIC_DEVICE |
2986                                     FCF_LOGIN_NEEDED);
2987                                 break;
2988                         }
2989
2990                         /*
2991                          * Port ID changed or device was marked to be updated;
2992                          * Log it out if still logged in and mark it for
2993                          * relogin later.
2994                          */
2995                         fcport->d_id.b24 = new_fcport->d_id.b24;
2996                         fcport->flags |= FCF_LOGIN_NEEDED;
2997                         if (fcport->loop_id != FC_NO_LOOP_ID &&
2998                             (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2999                             fcport->port_type != FCT_INITIATOR &&
3000                             fcport->port_type != FCT_BROADCAST) {
3001                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3002                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3003                                     fcport->d_id.b.al_pa);
3004                                 fcport->loop_id = FC_NO_LOOP_ID;
3005                         }
3006
3007                         break;
3008                 }
3009
3010                 if (found)
3011                         continue;
3012                 /* If device was not in our fcports list, then add it. */
3013                 list_add_tail(&new_fcport->list, new_fcports);
3014
3015                 /* Allocate a new replacement fcport. */
3016                 nxt_d_id.b24 = new_fcport->d_id.b24;
3017                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3018                 if (new_fcport == NULL) {
3019                         kfree(swl);
3020                         return (QLA_MEMORY_ALLOC_FAILED);
3021                 }
3022                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3023                 new_fcport->d_id.b24 = nxt_d_id.b24;
3024         }
3025
3026         kfree(swl);
3027         kfree(new_fcport);
3028
3029         return (rval);
3030 }
3031
3032 /*
3033  * qla2x00_find_new_loop_id
3034  *      Scan through our port list and find a new usable loop ID.
3035  *
3036  * Input:
3037  *      ha:     adapter state pointer.
3038  *      dev:    port structure pointer.
3039  *
3040  * Returns:
3041  *      qla2x00 local function return status code.
3042  *
3043  * Context:
3044  *      Kernel context.
3045  */
3046 static int
3047 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3048 {
3049         int     rval;
3050         int     found;
3051         fc_port_t *fcport;
3052         uint16_t first_loop_id;
3053         struct qla_hw_data *ha = vha->hw;
3054         struct scsi_qla_host *vp;
3055         struct scsi_qla_host *tvp;
3056
3057         rval = QLA_SUCCESS;
3058
3059         /* Save starting loop ID. */
3060         first_loop_id = dev->loop_id;
3061
3062         for (;;) {
3063                 /* Skip loop ID if already used by adapter. */
3064                 if (dev->loop_id == vha->loop_id)
3065                         dev->loop_id++;
3066
3067                 /* Skip reserved loop IDs. */
3068                 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3069                         dev->loop_id++;
3070
3071                 /* Reset loop ID if passed the end. */
3072                 if (dev->loop_id > ha->max_loop_id) {
3073                         /* first loop ID. */
3074                         dev->loop_id = ha->min_external_loopid;
3075                 }
3076
3077                 /* Check for loop ID being already in use. */
3078                 found = 0;
3079                 fcport = NULL;
3080                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3081                         list_for_each_entry(fcport, &vp->vp_fcports, list) {
3082                                 if (fcport->loop_id == dev->loop_id &&
3083                                                                 fcport != dev) {
3084                                         /* ID possibly in use */
3085                                         found++;
3086                                         break;
3087                                 }
3088                         }
3089                         if (found)
3090                                 break;
3091                 }
3092
3093                 /* If not in use then it is free to use. */
3094                 if (!found) {
3095                         break;
3096                 }
3097
3098                 /* ID in use. Try next value. */
3099                 dev->loop_id++;
3100
3101                 /* If wrap around. No free ID to use. */
3102                 if (dev->loop_id == first_loop_id) {
3103                         dev->loop_id = FC_NO_LOOP_ID;
3104                         rval = QLA_FUNCTION_FAILED;
3105                         break;
3106                 }
3107         }
3108
3109         return (rval);
3110 }
3111
3112 /*
3113  * qla2x00_device_resync
3114  *      Marks devices in the database that needs resynchronization.
3115  *
3116  * Input:
3117  *      ha = adapter block pointer.
3118  *
3119  * Context:
3120  *      Kernel context.
3121  */
3122 static int
3123 qla2x00_device_resync(scsi_qla_host_t *vha)
3124 {
3125         int     rval;
3126         uint32_t mask;
3127         fc_port_t *fcport;
3128         uint32_t rscn_entry;
3129         uint8_t rscn_out_iter;
3130         uint8_t format;
3131         port_id_t d_id;
3132
3133         rval = QLA_RSCNS_HANDLED;
3134
3135         while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3136             vha->flags.rscn_queue_overflow) {
3137
3138                 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3139                 format = MSB(MSW(rscn_entry));
3140                 d_id.b.domain = LSB(MSW(rscn_entry));
3141                 d_id.b.area = MSB(LSW(rscn_entry));
3142                 d_id.b.al_pa = LSB(LSW(rscn_entry));
3143
3144                 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3145                     "[%02x/%02x%02x%02x].\n",
3146                     vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
3147                     d_id.b.area, d_id.b.al_pa));
3148
3149                 vha->rscn_out_ptr++;
3150                 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3151                         vha->rscn_out_ptr = 0;
3152
3153                 /* Skip duplicate entries. */
3154                 for (rscn_out_iter = vha->rscn_out_ptr;
3155                     !vha->flags.rscn_queue_overflow &&
3156                     rscn_out_iter != vha->rscn_in_ptr;
3157                     rscn_out_iter = (rscn_out_iter ==
3158                         (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3159
3160                         if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3161                                 break;
3162
3163                         DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
3164                             "entry found at [%d].\n", vha->host_no,
3165                             rscn_out_iter));
3166
3167                         vha->rscn_out_ptr = rscn_out_iter;
3168                 }
3169
3170                 /* Queue overflow, set switch default case. */
3171                 if (vha->flags.rscn_queue_overflow) {
3172                         DEBUG(printk("scsi(%ld): device_resync: rscn "
3173                             "overflow.\n", vha->host_no));
3174
3175                         format = 3;
3176                         vha->flags.rscn_queue_overflow = 0;
3177                 }
3178
3179                 switch (format) {
3180                 case 0:
3181                         mask = 0xffffff;
3182                         break;
3183                 case 1:
3184                         mask = 0xffff00;
3185                         break;
3186                 case 2:
3187                         mask = 0xff0000;
3188                         break;
3189                 default:
3190                         mask = 0x0;
3191                         d_id.b24 = 0;
3192                         vha->rscn_out_ptr = vha->rscn_in_ptr;
3193                         break;
3194                 }
3195
3196                 rval = QLA_SUCCESS;
3197
3198                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3199                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3200                             (fcport->d_id.b24 & mask) != d_id.b24 ||
3201                             fcport->port_type == FCT_BROADCAST)
3202                                 continue;
3203
3204                         if (atomic_read(&fcport->state) == FCS_ONLINE) {
3205                                 if (format != 3 ||
3206                                     fcport->port_type != FCT_INITIATOR) {
3207                                         qla2x00_mark_device_lost(vha, fcport,
3208                                             0, 0);
3209                                 }
3210                         }
3211                 }
3212         }
3213         return (rval);
3214 }
3215
3216 /*
3217  * qla2x00_fabric_dev_login
3218  *      Login fabric target device and update FC port database.
3219  *
3220  * Input:
3221  *      ha:             adapter state pointer.
3222  *      fcport:         port structure list pointer.
3223  *      next_loopid:    contains value of a new loop ID that can be used
3224  *                      by the next login attempt.
3225  *
3226  * Returns:
3227  *      qla2x00 local function return status code.
3228  *
3229  * Context:
3230  *      Kernel context.
3231  */
3232 static int
3233 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3234     uint16_t *next_loopid)
3235 {
3236         int     rval;
3237         int     retry;
3238         uint8_t opts;
3239         struct qla_hw_data *ha = vha->hw;
3240
3241         rval = QLA_SUCCESS;
3242         retry = 0;
3243
3244         if (IS_ALOGIO_CAPABLE(ha)) {
3245                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3246                 if (!rval)
3247                         return rval;
3248         }
3249
3250         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3251         if (rval == QLA_SUCCESS) {
3252                 /* Send an ADISC to tape devices.*/
3253                 opts = 0;
3254                 if (fcport->flags & FCF_TAPE_PRESENT)
3255                         opts |= BIT_1;
3256                 rval = qla2x00_get_port_database(vha, fcport, opts);
3257                 if (rval != QLA_SUCCESS) {
3258                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3259                             fcport->d_id.b.domain, fcport->d_id.b.area,
3260                             fcport->d_id.b.al_pa);
3261                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3262                 } else {
3263                         qla2x00_update_fcport(vha, fcport);
3264                 }
3265         }
3266
3267         return (rval);
3268 }
3269
3270 /*
3271  * qla2x00_fabric_login
3272  *      Issue fabric login command.
3273  *
3274  * Input:
3275  *      ha = adapter block pointer.
3276  *      device = pointer to FC device type structure.
3277  *
3278  * Returns:
3279  *      0 - Login successfully
3280  *      1 - Login failed
3281  *      2 - Initiator device
3282  *      3 - Fatal error
3283  */
3284 int
3285 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3286     uint16_t *next_loopid)
3287 {
3288         int     rval;
3289         int     retry;
3290         uint16_t tmp_loopid;
3291         uint16_t mb[MAILBOX_REGISTER_COUNT];
3292         struct qla_hw_data *ha = vha->hw;
3293
3294         retry = 0;
3295         tmp_loopid = 0;
3296
3297         for (;;) {
3298                 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3299                     "for port %02x%02x%02x.\n",
3300                     vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3301                     fcport->d_id.b.area, fcport->d_id.b.al_pa));
3302
3303                 /* Login fcport on switch. */
3304                 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3305                     fcport->d_id.b.domain, fcport->d_id.b.area,
3306                     fcport->d_id.b.al_pa, mb, BIT_0);
3307                 if (mb[0] == MBS_PORT_ID_USED) {
3308                         /*
3309                          * Device has another loop ID.  The firmware team
3310                          * recommends the driver perform an implicit login with
3311                          * the specified ID again. The ID we just used is save
3312                          * here so we return with an ID that can be tried by
3313                          * the next login.
3314                          */
3315                         retry++;
3316                         tmp_loopid = fcport->loop_id;
3317                         fcport->loop_id = mb[1];
3318
3319                         DEBUG(printk("Fabric Login: port in use - next "
3320                             "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3321                             fcport->loop_id, fcport->d_id.b.domain,
3322                             fcport->d_id.b.area, fcport->d_id.b.al_pa));
3323
3324                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3325                         /*
3326                          * Login succeeded.
3327                          */
3328                         if (retry) {
3329                                 /* A retry occurred before. */
3330                                 *next_loopid = tmp_loopid;
3331                         } else {
3332                                 /*
3333                                  * No retry occurred before. Just increment the
3334                                  * ID value for next login.
3335                                  */
3336                                 *next_loopid = (fcport->loop_id + 1);
3337                         }
3338
3339                         if (mb[1] & BIT_0) {
3340                                 fcport->port_type = FCT_INITIATOR;
3341                         } else {
3342                                 fcport->port_type = FCT_TARGET;
3343                                 if (mb[1] & BIT_1) {
3344                                         fcport->flags |= FCF_FCP2_DEVICE;
3345                                 }
3346                         }
3347
3348                         if (mb[10] & BIT_0)
3349                                 fcport->supported_classes |= FC_COS_CLASS2;
3350                         if (mb[10] & BIT_1)
3351                                 fcport->supported_classes |= FC_COS_CLASS3;
3352
3353                         rval = QLA_SUCCESS;
3354                         break;
3355                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3356                         /*
3357                          * Loop ID already used, try next loop ID.
3358                          */
3359                         fcport->loop_id++;
3360                         rval = qla2x00_find_new_loop_id(vha, fcport);
3361                         if (rval != QLA_SUCCESS) {
3362                                 /* Ran out of loop IDs to use */
3363                                 break;
3364                         }
3365                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3366                         /*
3367                          * Firmware possibly timed out during login. If NO
3368                          * retries are left to do then the device is declared
3369                          * dead.
3370                          */
3371                         *next_loopid = fcport->loop_id;
3372                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3373                             fcport->d_id.b.domain, fcport->d_id.b.area,
3374                             fcport->d_id.b.al_pa);
3375                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3376
3377                         rval = 1;
3378                         break;
3379                 } else {
3380                         /*
3381                          * unrecoverable / not handled error
3382                          */
3383                         DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3384                             "loop_id=%x jiffies=%lx.\n",
3385                             __func__, vha->host_no, mb[0],
3386                             fcport->d_id.b.domain, fcport->d_id.b.area,
3387                             fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3388
3389                         *next_loopid = fcport->loop_id;
3390                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3391                             fcport->d_id.b.domain, fcport->d_id.b.area,
3392                             fcport->d_id.b.al_pa);
3393                         fcport->loop_id = FC_NO_LOOP_ID;
3394                         fcport->login_retry = 0;
3395
3396                         rval = 3;
3397                         break;
3398                 }
3399         }
3400
3401         return (rval);
3402 }
3403
3404 /*
3405  * qla2x00_local_device_login
3406  *      Issue local device login command.
3407  *
3408  * Input:
3409  *      ha = adapter block pointer.
3410  *      loop_id = loop id of device to login to.
3411  *
3412  * Returns (Where's the #define!!!!):
3413  *      0 - Login successfully
3414  *      1 - Login failed
3415  *      3 - Fatal error
3416  */
3417 int
3418 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3419 {
3420         int             rval;
3421         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3422
3423         memset(mb, 0, sizeof(mb));
3424         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3425         if (rval == QLA_SUCCESS) {
3426                 /* Interrogate mailbox registers for any errors */
3427                 if (mb[0] == MBS_COMMAND_ERROR)
3428                         rval = 1;
3429                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3430                         /* device not in PCB table */
3431                         rval = 3;
3432         }
3433
3434         return (rval);
3435 }
3436
3437 /*
3438  *  qla2x00_loop_resync
3439  *      Resync with fibre channel devices.
3440  *
3441  * Input:
3442  *      ha = adapter block pointer.
3443  *
3444  * Returns:
3445  *      0 = success
3446  */
3447 int
3448 qla2x00_loop_resync(scsi_qla_host_t *vha)
3449 {
3450         int rval = QLA_SUCCESS;
3451         uint32_t wait_time;
3452         struct req_que *req;
3453         struct rsp_que *rsp;
3454
3455         if (vha->hw->flags.cpu_affinity_enabled)
3456                 req = vha->hw->req_q_map[0];
3457         else
3458                 req = vha->req;
3459         rsp = req->rsp;
3460
3461         atomic_set(&vha->loop_state, LOOP_UPDATE);
3462         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3463         if (vha->flags.online) {
3464                 if (!(rval = qla2x00_fw_ready(vha))) {
3465                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3466                         wait_time = 256;
3467                         do {
3468                                 atomic_set(&vha->loop_state, LOOP_UPDATE);
3469
3470                                 /* Issue a marker after FW becomes ready. */
3471                                 qla2x00_marker(vha, req, rsp, 0, 0,
3472                                         MK_SYNC_ALL);
3473                                 vha->marker_needed = 0;
3474
3475                                 /* Remap devices on Loop. */
3476                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3477
3478                                 qla2x00_configure_loop(vha);
3479                                 wait_time--;
3480                         } while (!atomic_read(&vha->loop_down_timer) &&
3481                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3482                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3483                                 &vha->dpc_flags)));
3484                 }
3485         }
3486
3487         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3488                 return (QLA_FUNCTION_FAILED);
3489
3490         if (rval)
3491                 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3492
3493         return (rval);
3494 }
3495
3496 void
3497 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3498 {
3499         fc_port_t *fcport;
3500         struct scsi_qla_host *tvp, *vha;
3501
3502         /* Go with deferred removal of rport references. */
3503         list_for_each_entry_safe(vha, tvp, &base_vha->hw->vp_list, list)
3504                 list_for_each_entry(fcport, &vha->vp_fcports, list)
3505                         if (fcport && fcport->drport &&
3506                             atomic_read(&fcport->state) != FCS_UNCONFIGURED)
3507                                 qla2x00_rport_del(fcport);
3508 }
3509
3510 /*
3511 *  qla2x00_abort_isp
3512 *      Resets ISP and aborts all outstanding commands.
3513 *
3514 * Input:
3515 *      ha           = adapter block pointer.
3516 *
3517 * Returns:
3518 *      0 = success
3519 */
3520 int
3521 qla2x00_abort_isp(scsi_qla_host_t *vha)
3522 {
3523         int rval;
3524         uint8_t        status = 0;
3525         struct qla_hw_data *ha = vha->hw;
3526         struct scsi_qla_host *vp;
3527         struct scsi_qla_host *tvp;
3528         struct req_que *req = ha->req_q_map[0];
3529
3530         if (vha->flags.online) {
3531                 vha->flags.online = 0;
3532                 ha->flags.chip_reset_done = 0;
3533                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3534                 ha->qla_stats.total_isp_aborts++;
3535
3536                 qla_printk(KERN_INFO, ha,
3537                     "Performing ISP error recovery - ha= %p.\n", ha);
3538                 ha->isp_ops->reset_chip(vha);
3539
3540                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3541                 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3542                         atomic_set(&vha->loop_state, LOOP_DOWN);
3543                         qla2x00_mark_all_devices_lost(vha, 0);
3544                 } else {
3545                         if (!atomic_read(&vha->loop_down_timer))
3546                                 atomic_set(&vha->loop_down_timer,
3547                                     LOOP_DOWN_TIME);
3548                 }
3549
3550                 /* Requeue all commands in outstanding command list. */
3551                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3552
3553                 ha->isp_ops->get_flash_version(vha, req->ring);
3554
3555                 ha->isp_ops->nvram_config(vha);
3556
3557                 if (!qla2x00_restart_isp(vha)) {
3558                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3559
3560                         if (!atomic_read(&vha->loop_down_timer)) {
3561                                 /*
3562                                  * Issue marker command only when we are going
3563                                  * to start the I/O .
3564                                  */
3565                                 vha->marker_needed = 1;
3566                         }
3567
3568                         vha->flags.online = 1;
3569
3570                         ha->isp_ops->enable_intrs(ha);
3571
3572                         ha->isp_abort_cnt = 0;
3573                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3574
3575                         if (IS_QLA81XX(ha))
3576                                 qla2x00_get_fw_version(vha,
3577                                     &ha->fw_major_version,
3578                                     &ha->fw_minor_version,
3579                                     &ha->fw_subminor_version,
3580                                     &ha->fw_attributes, &ha->fw_memory_size,
3581                                     ha->mpi_version, &ha->mpi_capabilities,
3582                                     ha->phy_version);
3583
3584                         if (ha->fce) {
3585                                 ha->flags.fce_enabled = 1;
3586                                 memset(ha->fce, 0,
3587                                     fce_calc_size(ha->fce_bufs));
3588                                 rval = qla2x00_enable_fce_trace(vha,
3589                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3590                                     &ha->fce_bufs);
3591                                 if (rval) {
3592                                         qla_printk(KERN_WARNING, ha,
3593                                             "Unable to reinitialize FCE "
3594                                             "(%d).\n", rval);
3595                                         ha->flags.fce_enabled = 0;
3596                                 }
3597                         }
3598
3599                         if (ha->eft) {
3600                                 memset(ha->eft, 0, EFT_SIZE);
3601                                 rval = qla2x00_enable_eft_trace(vha,
3602                                     ha->eft_dma, EFT_NUM_BUFFERS);
3603                                 if (rval) {
3604                                         qla_printk(KERN_WARNING, ha,
3605                                             "Unable to reinitialize EFT "
3606                                             "(%d).\n", rval);
3607                                 }
3608                         }
3609                 } else {        /* failed the ISP abort */
3610                         vha->flags.online = 1;
3611                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3612                                 if (ha->isp_abort_cnt == 0) {
3613                                         qla_printk(KERN_WARNING, ha,
3614                                             "ISP error recovery failed - "
3615                                             "board disabled\n");
3616                                         /*
3617                                          * The next call disables the board
3618                                          * completely.
3619                                          */
3620                                         ha->isp_ops->reset_adapter(vha);
3621                                         vha->flags.online = 0;
3622                                         clear_bit(ISP_ABORT_RETRY,
3623                                             &vha->dpc_flags);
3624                                         status = 0;
3625                                 } else { /* schedule another ISP abort */
3626                                         ha->isp_abort_cnt--;
3627                                         DEBUG(printk("qla%ld: ISP abort - "
3628                                             "retry remaining %d\n",
3629                                             vha->host_no, ha->isp_abort_cnt));
3630                                         status = 1;
3631                                 }
3632                         } else {
3633                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3634                                 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3635                                     "- retrying (%d) more times\n",
3636                                     vha->host_no, ha->isp_abort_cnt));
3637                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3638                                 status = 1;
3639                         }
3640                 }
3641
3642         }
3643
3644         if (!status) {
3645                 DEBUG(printk(KERN_INFO
3646                                 "qla2x00_abort_isp(%ld): succeeded.\n",
3647                                 vha->host_no));
3648                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3649                         if (vp->vp_idx)
3650                                 qla2x00_vp_abort_isp(vp);
3651                 }
3652         } else {
3653                 qla_printk(KERN_INFO, ha,
3654                         "qla2x00_abort_isp: **** FAILED ****\n");
3655         }
3656
3657         return(status);
3658 }
3659
3660 /*
3661 *  qla2x00_restart_isp
3662 *      restarts the ISP after a reset
3663 *
3664 * Input:
3665 *      ha = adapter block pointer.
3666 *
3667 * Returns:
3668 *      0 = success
3669 */
3670 static int
3671 qla2x00_restart_isp(scsi_qla_host_t *vha)
3672 {
3673         int status = 0;
3674         uint32_t wait_time;
3675         struct qla_hw_data *ha = vha->hw;
3676         struct req_que *req = ha->req_q_map[0];
3677         struct rsp_que *rsp = ha->rsp_q_map[0];
3678
3679         /* If firmware needs to be loaded */
3680         if (qla2x00_isp_firmware(vha)) {
3681                 vha->flags.online = 0;
3682                 status = ha->isp_ops->chip_diag(vha);
3683                 if (!status)
3684                         status = qla2x00_setup_chip(vha);
3685         }
3686
3687         if (!status && !(status = qla2x00_init_rings(vha))) {
3688                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3689                 ha->flags.chip_reset_done = 1;
3690                 /* Initialize the queues in use */
3691                 qla25xx_init_queues(ha);
3692
3693                 status = qla2x00_fw_ready(vha);
3694                 if (!status) {
3695                         DEBUG(printk("%s(): Start configure loop, "
3696                             "status = %d\n", __func__, status));
3697
3698                         /* Issue a marker after FW becomes ready. */
3699                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
3700
3701                         vha->flags.online = 1;
3702                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3703                         wait_time = 256;
3704                         do {
3705                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3706                                 qla2x00_configure_loop(vha);
3707                                 wait_time--;
3708                         } while (!atomic_read(&vha->loop_down_timer) &&
3709                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3710                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3711                                 &vha->dpc_flags)));
3712                 }
3713
3714                 /* if no cable then assume it's good */
3715                 if ((vha->device_flags & DFLG_NO_CABLE))
3716                         status = 0;
3717
3718                 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3719                                 __func__,
3720                                 status));
3721         }
3722         return (status);
3723 }
3724
3725 static int
3726 qla25xx_init_queues(struct qla_hw_data *ha)
3727 {
3728         struct rsp_que *rsp = NULL;
3729         struct req_que *req = NULL;
3730         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3731         int ret = -1;
3732         int i;
3733
3734         for (i = 1; i < ha->max_rsp_queues; i++) {
3735                 rsp = ha->rsp_q_map[i];
3736                 if (rsp) {
3737                         rsp->options &= ~BIT_0;
3738                         ret = qla25xx_init_rsp_que(base_vha, rsp);
3739                         if (ret != QLA_SUCCESS)
3740                                 DEBUG2_17(printk(KERN_WARNING
3741                                         "%s Rsp que:%d init failed\n", __func__,
3742                                                 rsp->id));
3743                         else
3744                                 DEBUG2_17(printk(KERN_INFO
3745                                         "%s Rsp que:%d inited\n", __func__,
3746                                                 rsp->id));
3747                 }
3748         }
3749         for (i = 1; i < ha->max_req_queues; i++) {
3750                 req = ha->req_q_map[i];
3751                 if (req) {
3752                 /* Clear outstanding commands array. */
3753                         req->options &= ~BIT_0;
3754                         ret = qla25xx_init_req_que(base_vha, req);
3755                         if (ret != QLA_SUCCESS)
3756                                 DEBUG2_17(printk(KERN_WARNING
3757                                         "%s Req que:%d init failed\n", __func__,
3758                                                 req->id));
3759                         else
3760                                 DEBUG2_17(printk(KERN_WARNING
3761                                         "%s Req que:%d inited\n", __func__,
3762                                                 req->id));
3763                 }
3764         }
3765         return ret;
3766 }
3767
3768 /*
3769 * qla2x00_reset_adapter
3770 *      Reset adapter.
3771 *
3772 * Input:
3773 *      ha = adapter block pointer.
3774 */
3775 void
3776 qla2x00_reset_adapter(scsi_qla_host_t *vha)
3777 {
3778         unsigned long flags = 0;
3779         struct qla_hw_data *ha = vha->hw;
3780         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3781
3782         vha->flags.online = 0;
3783         ha->isp_ops->disable_intrs(ha);
3784
3785         spin_lock_irqsave(&ha->hardware_lock, flags);
3786         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3787         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3788         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3789         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3790         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3791 }
3792
3793 void
3794 qla24xx_reset_adapter(scsi_qla_host_t *vha)
3795 {
3796         unsigned long flags = 0;
3797         struct qla_hw_data *ha = vha->hw;
3798         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3799
3800         vha->flags.online = 0;
3801         ha->isp_ops->disable_intrs(ha);
3802
3803         spin_lock_irqsave(&ha->hardware_lock, flags);
3804         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3805         RD_REG_DWORD(&reg->hccr);
3806         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3807         RD_REG_DWORD(&reg->hccr);
3808         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3809
3810         if (IS_NOPOLLING_TYPE(ha))
3811                 ha->isp_ops->enable_intrs(ha);
3812 }
3813
3814 /* On sparc systems, obtain port and node WWN from firmware
3815  * properties.
3816  */
3817 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3818         struct nvram_24xx *nv)
3819 {
3820 #ifdef CONFIG_SPARC
3821         struct qla_hw_data *ha = vha->hw;
3822         struct pci_dev *pdev = ha->pdev;
3823         struct device_node *dp = pci_device_to_OF_node(pdev);
3824         const u8 *val;
3825         int len;
3826
3827         val = of_get_property(dp, "port-wwn", &len);
3828         if (val && len >= WWN_SIZE)
3829                 memcpy(nv->port_name, val, WWN_SIZE);
3830
3831         val = of_get_property(dp, "node-wwn", &len);
3832         if (val && len >= WWN_SIZE)
3833                 memcpy(nv->node_name, val, WWN_SIZE);
3834 #endif
3835 }
3836
3837 int
3838 qla24xx_nvram_config(scsi_qla_host_t *vha)
3839 {
3840         int   rval;
3841         struct init_cb_24xx *icb;
3842         struct nvram_24xx *nv;
3843         uint32_t *dptr;
3844         uint8_t  *dptr1, *dptr2;
3845         uint32_t chksum;
3846         uint16_t cnt;
3847         struct qla_hw_data *ha = vha->hw;
3848
3849         rval = QLA_SUCCESS;
3850         icb = (struct init_cb_24xx *)ha->init_cb;
3851         nv = ha->nvram;
3852
3853         /* Determine NVRAM starting address. */
3854         if (ha->flags.port0) {
3855                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3856                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3857         } else {
3858                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3859                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3860         }
3861         ha->nvram_size = sizeof(struct nvram_24xx);
3862         ha->vpd_size = FA_NVRAM_VPD_SIZE;
3863
3864         /* Get VPD data into cache */
3865         ha->vpd = ha->nvram + VPD_OFFSET;
3866         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
3867             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3868
3869         /* Get NVRAM data into cache and calculate checksum. */
3870         dptr = (uint32_t *)nv;
3871         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
3872             ha->nvram_size);
3873         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3874                 chksum += le32_to_cpu(*dptr++);
3875
3876         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
3877         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3878
3879         /* Bad NVRAM data, set defaults parameters. */
3880         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3881             || nv->id[3] != ' ' ||
3882             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3883                 /* Reset NVRAM data. */
3884                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3885                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3886                     le16_to_cpu(nv->nvram_version));
3887                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3888                     "invalid -- WWPN) defaults.\n");
3889
3890                 /*
3891                  * Set default initialization control block.
3892                  */
3893                 memset(nv, 0, ha->nvram_size);
3894                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3895                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3896                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3897                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3898                 nv->exchange_count = __constant_cpu_to_le16(0);
3899                 nv->hard_address = __constant_cpu_to_le16(124);
3900                 nv->port_name[0] = 0x21;
3901                 nv->port_name[1] = 0x00 + ha->port_no;
3902                 nv->port_name[2] = 0x00;
3903                 nv->port_name[3] = 0xe0;
3904                 nv->port_name[4] = 0x8b;
3905                 nv->port_name[5] = 0x1c;
3906                 nv->port_name[6] = 0x55;
3907                 nv->port_name[7] = 0x86;
3908                 nv->node_name[0] = 0x20;
3909                 nv->node_name[1] = 0x00;
3910                 nv->node_name[2] = 0x00;
3911                 nv->node_name[3] = 0xe0;
3912                 nv->node_name[4] = 0x8b;
3913                 nv->node_name[5] = 0x1c;
3914                 nv->node_name[6] = 0x55;
3915                 nv->node_name[7] = 0x86;
3916                 qla24xx_nvram_wwn_from_ofw(vha, nv);
3917                 nv->login_retry_count = __constant_cpu_to_le16(8);
3918                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3919                 nv->login_timeout = __constant_cpu_to_le16(0);
3920                 nv->firmware_options_1 =
3921                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3922                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3923                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3924                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3925                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3926                 nv->efi_parameters = __constant_cpu_to_le32(0);
3927                 nv->reset_delay = 5;
3928                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3929                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3930                 nv->link_down_timeout = __constant_cpu_to_le16(30);
3931
3932                 rval = 1;
3933         }
3934
3935         /* Reset Initialization control block */
3936         memset(icb, 0, ha->init_cb_size);
3937
3938         /* Copy 1st segment. */
3939         dptr1 = (uint8_t *)icb;
3940         dptr2 = (uint8_t *)&nv->version;
3941         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3942         while (cnt--)
3943                 *dptr1++ = *dptr2++;
3944
3945         icb->login_retry_count = nv->login_retry_count;
3946         icb->link_down_on_nos = nv->link_down_on_nos;
3947
3948         /* Copy 2nd segment. */
3949         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3950         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3951         cnt = (uint8_t *)&icb->reserved_3 -
3952             (uint8_t *)&icb->interrupt_delay_timer;
3953         while (cnt--)
3954                 *dptr1++ = *dptr2++;
3955
3956         /*
3957          * Setup driver NVRAM options.
3958          */
3959         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
3960             "QLA2462");
3961
3962         /* Use alternate WWN? */
3963         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3964                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3965                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3966         }
3967
3968         /* Prepare nodename */
3969         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3970                 /*
3971                  * Firmware will apply the following mask if the nodename was
3972                  * not provided.
3973                  */
3974                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3975                 icb->node_name[0] &= 0xF0;
3976         }
3977
3978         /* Set host adapter parameters. */
3979         ha->flags.disable_risc_code_load = 0;
3980         ha->flags.enable_lip_reset = 0;
3981         ha->flags.enable_lip_full_login =
3982             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3983         ha->flags.enable_target_reset =
3984             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
3985         ha->flags.enable_led_scheme = 0;
3986         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3987
3988         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3989             (BIT_6 | BIT_5 | BIT_4)) >> 4;
3990
3991         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3992             sizeof(ha->fw_seriallink_options24));
3993
3994         /* save HBA serial number */
3995         ha->serial0 = icb->port_name[5];
3996         ha->serial1 = icb->port_name[6];
3997         ha->serial2 = icb->port_name[7];
3998         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
3999         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4000
4001         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4002
4003         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4004
4005         /* Set minimum login_timeout to 4 seconds. */
4006         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4007                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4008         if (le16_to_cpu(nv->login_timeout) < 4)
4009                 nv->login_timeout = __constant_cpu_to_le16(4);
4010         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4011         icb->login_timeout = nv->login_timeout;
4012
4013         /* Set minimum RATOV to 100 tenths of a second. */
4014         ha->r_a_tov = 100;
4015
4016         ha->loop_reset_delay = nv->reset_delay;
4017
4018         /* Link Down Timeout = 0:
4019          *
4020          *      When Port Down timer expires we will start returning
4021          *      I/O's to OS with "DID_NO_CONNECT".
4022          *
4023          * Link Down Timeout != 0:
4024          *
4025          *       The driver waits for the link to come up after link down
4026          *       before returning I/Os to OS with "DID_NO_CONNECT".
4027          */
4028         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4029                 ha->loop_down_abort_time =
4030                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4031         } else {
4032                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4033                 ha->loop_down_abort_time =
4034                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4035         }
4036
4037         /* Need enough time to try and get the port back. */
4038         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4039         if (qlport_down_retry)
4040                 ha->port_down_retry_count = qlport_down_retry;
4041
4042         /* Set login_retry_count */
4043         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4044         if (ha->port_down_retry_count ==
4045             le16_to_cpu(nv->port_down_retry_count) &&
4046             ha->port_down_retry_count > 3)
4047                 ha->login_retry_count = ha->port_down_retry_count;
4048         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4049                 ha->login_retry_count = ha->port_down_retry_count;
4050         if (ql2xloginretrycount)
4051                 ha->login_retry_count = ql2xloginretrycount;
4052
4053         /* Enable ZIO. */
4054         if (!vha->flags.init_done) {
4055                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4056                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4057                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4058                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4059         }
4060         icb->firmware_options_2 &= __constant_cpu_to_le32(
4061             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4062         vha->flags.process_response_queue = 0;
4063         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4064                 ha->zio_mode = QLA_ZIO_MODE_6;
4065
4066                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4067                     "(%d us).\n", vha->host_no, ha->zio_mode,
4068                     ha->zio_timer * 100));
4069                 qla_printk(KERN_INFO, ha,
4070                     "ZIO mode %d enabled; timer delay (%d us).\n",
4071                     ha->zio_mode, ha->zio_timer * 100);
4072
4073                 icb->firmware_options_2 |= cpu_to_le32(
4074                     (uint32_t)ha->zio_mode);
4075                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4076                 vha->flags.process_response_queue = 1;
4077         }
4078
4079         if (rval) {
4080                 DEBUG2_3(printk(KERN_WARNING
4081                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4082         }
4083         return (rval);
4084 }
4085
4086 static int
4087 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4088     uint32_t faddr)
4089 {
4090         int     rval = QLA_SUCCESS;
4091         int     segments, fragment;
4092         uint32_t *dcode, dlen;
4093         uint32_t risc_addr;
4094         uint32_t risc_size;
4095         uint32_t i;
4096         struct qla_hw_data *ha = vha->hw;
4097         struct req_que *req = ha->req_q_map[0];
4098
4099         qla_printk(KERN_INFO, ha,
4100             "FW: Loading from flash (%x)...\n", faddr);
4101
4102         rval = QLA_SUCCESS;
4103
4104         segments = FA_RISC_CODE_SEGMENTS;
4105         dcode = (uint32_t *)req->ring;
4106         *srisc_addr = 0;
4107
4108         /* Validate firmware image by checking version. */
4109         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4110         for (i = 0; i < 4; i++)
4111                 dcode[i] = be32_to_cpu(dcode[i]);
4112         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4113             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4114             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4115                 dcode[3] == 0)) {
4116                 qla_printk(KERN_WARNING, ha,
4117                     "Unable to verify integrity of flash firmware image!\n");
4118                 qla_printk(KERN_WARNING, ha,
4119                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4120                     dcode[1], dcode[2], dcode[3]);
4121
4122                 return QLA_FUNCTION_FAILED;
4123         }
4124
4125         while (segments && rval == QLA_SUCCESS) {
4126                 /* Read segment's load information. */
4127                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4128
4129                 risc_addr = be32_to_cpu(dcode[2]);
4130                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4131                 risc_size = be32_to_cpu(dcode[3]);
4132
4133                 fragment = 0;
4134                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4135                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4136                         if (dlen > risc_size)
4137                                 dlen = risc_size;
4138
4139                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4140                             "addr %x, number of dwords 0x%x, offset 0x%x.\n",
4141                             vha->host_no, risc_addr, dlen, faddr));
4142
4143                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4144                         for (i = 0; i < dlen; i++)
4145                                 dcode[i] = swab32(dcode[i]);
4146
4147                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4148                             dlen);
4149                         if (rval) {
4150                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4151                                     "segment %d of firmware\n", vha->host_no,
4152                                     fragment));
4153                                 qla_printk(KERN_WARNING, ha,
4154                                     "[ERROR] Failed to load segment %d of "
4155                                     "firmware\n", fragment);
4156                                 break;
4157                         }
4158
4159                         faddr += dlen;
4160                         risc_addr += dlen;
4161                         risc_size -= dlen;
4162                         fragment++;
4163                 }
4164
4165                 /* Next segment. */
4166                 segments--;
4167         }
4168
4169         return rval;
4170 }
4171
4172 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4173
4174 int
4175 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4176 {
4177         int     rval;
4178         int     i, fragment;
4179         uint16_t *wcode, *fwcode;
4180         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4181         struct fw_blob *blob;
4182         struct qla_hw_data *ha = vha->hw;
4183         struct req_que *req = ha->req_q_map[0];
4184
4185         /* Load firmware blob. */
4186         blob = qla2x00_request_firmware(vha);
4187         if (!blob) {
4188                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4189                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4190                     "from: " QLA_FW_URL ".\n");
4191                 return QLA_FUNCTION_FAILED;
4192         }
4193
4194         rval = QLA_SUCCESS;
4195
4196         wcode = (uint16_t *)req->ring;
4197         *srisc_addr = 0;
4198         fwcode = (uint16_t *)blob->fw->data;
4199         fwclen = 0;
4200
4201         /* Validate firmware image by checking version. */
4202         if (blob->fw->size < 8 * sizeof(uint16_t)) {
4203                 qla_printk(KERN_WARNING, ha,
4204                     "Unable to verify integrity of firmware image (%Zd)!\n",
4205                     blob->fw->size);
4206                 goto fail_fw_integrity;
4207         }
4208         for (i = 0; i < 4; i++)
4209                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4210         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4211             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4212                 wcode[2] == 0 && wcode[3] == 0)) {
4213                 qla_printk(KERN_WARNING, ha,
4214                     "Unable to verify integrity of firmware image!\n");
4215                 qla_printk(KERN_WARNING, ha,
4216                     "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4217                     wcode[1], wcode[2], wcode[3]);
4218                 goto fail_fw_integrity;
4219         }
4220
4221         seg = blob->segs;
4222         while (*seg && rval == QLA_SUCCESS) {
4223                 risc_addr = *seg;
4224                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4225                 risc_size = be16_to_cpu(fwcode[3]);
4226
4227                 /* Validate firmware image size. */
4228                 fwclen += risc_size * sizeof(uint16_t);
4229                 if (blob->fw->size < fwclen) {
4230                         qla_printk(KERN_WARNING, ha,
4231                             "Unable to verify integrity of firmware image "
4232                             "(%Zd)!\n", blob->fw->size);
4233                         goto fail_fw_integrity;
4234                 }
4235
4236                 fragment = 0;
4237                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4238                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4239                         if (wlen > risc_size)
4240                                 wlen = risc_size;
4241
4242                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4243                             "addr %x, number of words 0x%x.\n", vha->host_no,
4244                             risc_addr, wlen));
4245
4246                         for (i = 0; i < wlen; i++)
4247                                 wcode[i] = swab16(fwcode[i]);
4248
4249                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4250                             wlen);
4251                         if (rval) {
4252                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4253                                     "segment %d of firmware\n", vha->host_no,
4254                                     fragment));
4255                                 qla_printk(KERN_WARNING, ha,
4256                                     "[ERROR] Failed to load segment %d of "
4257                                     "firmware\n", fragment);
4258                                 break;
4259                         }
4260
4261                         fwcode += wlen;
4262                         risc_addr += wlen;
4263                         risc_size -= wlen;
4264                         fragment++;
4265                 }
4266
4267                 /* Next segment. */
4268                 seg++;
4269         }
4270         return rval;
4271
4272 fail_fw_integrity:
4273         return QLA_FUNCTION_FAILED;
4274 }
4275
4276 static int
4277 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4278 {
4279         int     rval;
4280         int     segments, fragment;
4281         uint32_t *dcode, dlen;
4282         uint32_t risc_addr;
4283         uint32_t risc_size;
4284         uint32_t i;
4285         struct fw_blob *blob;
4286         uint32_t *fwcode, fwclen;
4287         struct qla_hw_data *ha = vha->hw;
4288         struct req_que *req = ha->req_q_map[0];
4289
4290         /* Load firmware blob. */
4291         blob = qla2x00_request_firmware(vha);
4292         if (!blob) {
4293                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4294                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4295                     "from: " QLA_FW_URL ".\n");
4296
4297                 return QLA_FUNCTION_FAILED;
4298         }
4299
4300         qla_printk(KERN_INFO, ha,
4301             "FW: Loading via request-firmware...\n");
4302
4303         rval = QLA_SUCCESS;
4304
4305         segments = FA_RISC_CODE_SEGMENTS;
4306         dcode = (uint32_t *)req->ring;
4307         *srisc_addr = 0;
4308         fwcode = (uint32_t *)blob->fw->data;
4309         fwclen = 0;
4310
4311         /* Validate firmware image by checking version. */
4312         if (blob->fw->size < 8 * sizeof(uint32_t)) {
4313                 qla_printk(KERN_WARNING, ha,
4314                     "Unable to verify integrity of firmware image (%Zd)!\n",
4315                     blob->fw->size);
4316                 goto fail_fw_integrity;
4317         }
4318         for (i = 0; i < 4; i++)
4319                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4320         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4321             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4322             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4323                 dcode[3] == 0)) {
4324                 qla_printk(KERN_WARNING, ha,
4325                     "Unable to verify integrity of firmware image!\n");
4326                 qla_printk(KERN_WARNING, ha,
4327                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4328                     dcode[1], dcode[2], dcode[3]);
4329                 goto fail_fw_integrity;
4330         }
4331
4332         while (segments && rval == QLA_SUCCESS) {
4333                 risc_addr = be32_to_cpu(fwcode[2]);
4334                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4335                 risc_size = be32_to_cpu(fwcode[3]);
4336
4337                 /* Validate firmware image size. */
4338                 fwclen += risc_size * sizeof(uint32_t);
4339                 if (blob->fw->size < fwclen) {
4340                         qla_printk(KERN_WARNING, ha,
4341                             "Unable to verify integrity of firmware image "
4342                             "(%Zd)!\n", blob->fw->size);
4343
4344                         goto fail_fw_integrity;
4345                 }
4346
4347                 fragment = 0;
4348                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4349                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4350                         if (dlen > risc_size)
4351                                 dlen = risc_size;
4352
4353                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4354                             "addr %x, number of dwords 0x%x.\n", vha->host_no,
4355                             risc_addr, dlen));
4356
4357                         for (i = 0; i < dlen; i++)
4358                                 dcode[i] = swab32(fwcode[i]);
4359
4360                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4361                             dlen);
4362                         if (rval) {
4363                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4364                                     "segment %d of firmware\n", vha->host_no,
4365                                     fragment));
4366                                 qla_printk(KERN_WARNING, ha,
4367                                     "[ERROR] Failed to load segment %d of "
4368                                     "firmware\n", fragment);
4369                                 break;
4370                         }
4371
4372                         fwcode += dlen;
4373                         risc_addr += dlen;
4374                         risc_size -= dlen;
4375                         fragment++;
4376                 }
4377
4378                 /* Next segment. */
4379                 segments--;
4380         }
4381         return rval;
4382
4383 fail_fw_integrity:
4384         return QLA_FUNCTION_FAILED;
4385 }
4386
4387 int
4388 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4389 {
4390         int rval;
4391
4392         if (ql2xfwloadbin == 1)
4393                 return qla81xx_load_risc(vha, srisc_addr);
4394
4395         /*
4396          * FW Load priority:
4397          * 1) Firmware via request-firmware interface (.bin file).
4398          * 2) Firmware residing in flash.
4399          */
4400         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4401         if (rval == QLA_SUCCESS)
4402                 return rval;
4403
4404         return qla24xx_load_risc_flash(vha, srisc_addr,
4405             vha->hw->flt_region_fw);
4406 }
4407
4408 int
4409 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4410 {
4411         int rval;
4412         struct qla_hw_data *ha = vha->hw;
4413
4414         if (ql2xfwloadbin == 2)
4415                 goto try_blob_fw;
4416
4417         /*
4418          * FW Load priority:
4419          * 1) Firmware residing in flash.
4420          * 2) Firmware via request-firmware interface (.bin file).
4421          * 3) Golden-Firmware residing in flash -- limited operation.
4422          */
4423         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4424         if (rval == QLA_SUCCESS)
4425                 return rval;
4426
4427 try_blob_fw:
4428         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4429         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4430                 return rval;
4431
4432         qla_printk(KERN_ERR, ha,
4433             "FW: Attempting to fallback to golden firmware...\n");
4434         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4435         if (rval != QLA_SUCCESS)
4436                 return rval;
4437
4438         qla_printk(KERN_ERR, ha,
4439             "FW: Please update operational firmware...\n");
4440         ha->flags.running_gold_fw = 1;
4441
4442         return rval;
4443 }
4444
4445 void
4446 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4447 {
4448         int ret, retries;
4449         struct qla_hw_data *ha = vha->hw;
4450
4451         if (!IS_FWI2_CAPABLE(ha))
4452                 return;
4453         if (!ha->fw_major_version)
4454                 return;
4455
4456         ret = qla2x00_stop_firmware(vha);
4457         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4458             ret != QLA_INVALID_COMMAND && retries ; retries--) {
4459                 ha->isp_ops->reset_chip(vha);
4460                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4461                         continue;
4462                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4463                         continue;
4464                 qla_printk(KERN_INFO, ha,
4465                     "Attempting retry of stop-firmware command...\n");
4466                 ret = qla2x00_stop_firmware(vha);
4467         }
4468 }
4469
4470 int
4471 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4472 {
4473         int rval = QLA_SUCCESS;
4474         uint16_t mb[MAILBOX_REGISTER_COUNT];
4475         struct qla_hw_data *ha = vha->hw;
4476         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4477         struct req_que *req;
4478         struct rsp_que *rsp;
4479
4480         if (!vha->vp_idx)
4481                 return -EINVAL;
4482
4483         rval = qla2x00_fw_ready(base_vha);
4484         if (ha->flags.cpu_affinity_enabled)
4485                 req = ha->req_q_map[0];
4486         else
4487                 req = vha->req;
4488         rsp = req->rsp;
4489
4490         if (rval == QLA_SUCCESS) {
4491                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4492                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4493         }
4494
4495         vha->flags.management_server_logged_in = 0;
4496
4497         /* Login to SNS first */
4498         ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
4499         if (mb[0] != MBS_COMMAND_COMPLETE) {
4500                 DEBUG15(qla_printk(KERN_INFO, ha,
4501                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4502                     "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4503                     mb[0], mb[1], mb[2], mb[6], mb[7]));
4504                 return (QLA_FUNCTION_FAILED);
4505         }
4506
4507         atomic_set(&vha->loop_down_timer, 0);
4508         atomic_set(&vha->loop_state, LOOP_UP);
4509         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4510         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4511         rval = qla2x00_loop_resync(base_vha);
4512
4513         return rval;
4514 }
4515
4516 /* 84XX Support **************************************************************/
4517
4518 static LIST_HEAD(qla_cs84xx_list);
4519 static DEFINE_MUTEX(qla_cs84xx_mutex);
4520
4521 static struct qla_chip_state_84xx *
4522 qla84xx_get_chip(struct scsi_qla_host *vha)
4523 {
4524         struct qla_chip_state_84xx *cs84xx;
4525         struct qla_hw_data *ha = vha->hw;
4526
4527         mutex_lock(&qla_cs84xx_mutex);
4528
4529         /* Find any shared 84xx chip. */
4530         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4531                 if (cs84xx->bus == ha->pdev->bus) {
4532                         kref_get(&cs84xx->kref);
4533                         goto done;
4534                 }
4535         }
4536
4537         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4538         if (!cs84xx)
4539                 goto done;
4540
4541         kref_init(&cs84xx->kref);
4542         spin_lock_init(&cs84xx->access_lock);
4543         mutex_init(&cs84xx->fw_update_mutex);
4544         cs84xx->bus = ha->pdev->bus;
4545
4546         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4547 done:
4548         mutex_unlock(&qla_cs84xx_mutex);
4549         return cs84xx;
4550 }
4551
4552 static void
4553 __qla84xx_chip_release(struct kref *kref)
4554 {
4555         struct qla_chip_state_84xx *cs84xx =
4556             container_of(kref, struct qla_chip_state_84xx, kref);
4557
4558         mutex_lock(&qla_cs84xx_mutex);
4559         list_del(&cs84xx->list);
4560         mutex_unlock(&qla_cs84xx_mutex);
4561         kfree(cs84xx);
4562 }
4563
4564 void
4565 qla84xx_put_chip(struct scsi_qla_host *vha)
4566 {
4567         struct qla_hw_data *ha = vha->hw;
4568         if (ha->cs84xx)
4569                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4570 }
4571
4572 static int
4573 qla84xx_init_chip(scsi_qla_host_t *vha)
4574 {
4575         int rval;
4576         uint16_t status[2];
4577         struct qla_hw_data *ha = vha->hw;
4578
4579         mutex_lock(&ha->cs84xx->fw_update_mutex);
4580
4581         rval = qla84xx_verify_chip(vha, status);
4582
4583         mutex_unlock(&ha->cs84xx->fw_update_mutex);
4584
4585         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4586             QLA_SUCCESS;
4587 }
4588
4589 /* 81XX Support **************************************************************/
4590
4591 int
4592 qla81xx_nvram_config(scsi_qla_host_t *vha)
4593 {
4594         int   rval;
4595         struct init_cb_81xx *icb;
4596         struct nvram_81xx *nv;
4597         uint32_t *dptr;
4598         uint8_t  *dptr1, *dptr2;
4599         uint32_t chksum;
4600         uint16_t cnt;
4601         struct qla_hw_data *ha = vha->hw;
4602
4603         rval = QLA_SUCCESS;
4604         icb = (struct init_cb_81xx *)ha->init_cb;
4605         nv = ha->nvram;
4606
4607         /* Determine NVRAM starting address. */
4608         ha->nvram_size = sizeof(struct nvram_81xx);
4609         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4610
4611         /* Get VPD data into cache */
4612         ha->vpd = ha->nvram + VPD_OFFSET;
4613         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
4614             ha->vpd_size);
4615
4616         /* Get NVRAM data into cache and calculate checksum. */
4617         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
4618             ha->nvram_size);
4619         dptr = (uint32_t *)nv;
4620         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4621                 chksum += le32_to_cpu(*dptr++);
4622
4623         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
4624         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4625
4626         /* Bad NVRAM data, set defaults parameters. */
4627         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4628             || nv->id[3] != ' ' ||
4629             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4630                 /* Reset NVRAM data. */
4631                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4632                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4633                     le16_to_cpu(nv->nvram_version));
4634                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4635                     "invalid -- WWPN) defaults.\n");
4636
4637                 /*
4638                  * Set default initialization control block.
4639                  */
4640                 memset(nv, 0, ha->nvram_size);
4641                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4642                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4643                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4644                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4645                 nv->exchange_count = __constant_cpu_to_le16(0);
4646                 nv->port_name[0] = 0x21;
4647                 nv->port_name[1] = 0x00 + ha->port_no;
4648                 nv->port_name[2] = 0x00;
4649                 nv->port_name[3] = 0xe0;
4650                 nv->port_name[4] = 0x8b;
4651                 nv->port_name[5] = 0x1c;
4652                 nv->port_name[6] = 0x55;
4653                 nv->port_name[7] = 0x86;
4654                 nv->node_name[0] = 0x20;
4655                 nv->node_name[1] = 0x00;
4656                 nv->node_name[2] = 0x00;
4657                 nv->node_name[3] = 0xe0;
4658                 nv->node_name[4] = 0x8b;
4659                 nv->node_name[5] = 0x1c;
4660                 nv->node_name[6] = 0x55;
4661                 nv->node_name[7] = 0x86;
4662                 nv->login_retry_count = __constant_cpu_to_le16(8);
4663                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4664                 nv->login_timeout = __constant_cpu_to_le16(0);
4665                 nv->firmware_options_1 =
4666                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4667                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4668                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4669                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4670                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4671                 nv->efi_parameters = __constant_cpu_to_le32(0);
4672                 nv->reset_delay = 5;
4673                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4674                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4675                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4676                 nv->enode_mac[0] = 0x00;
4677                 nv->enode_mac[1] = 0x02;
4678                 nv->enode_mac[2] = 0x03;
4679                 nv->enode_mac[3] = 0x04;
4680                 nv->enode_mac[4] = 0x05;
4681                 nv->enode_mac[5] = 0x06 + ha->port_no;
4682
4683                 rval = 1;
4684         }
4685
4686         /* Reset Initialization control block */
4687         memset(icb, 0, sizeof(struct init_cb_81xx));
4688
4689         /* Copy 1st segment. */
4690         dptr1 = (uint8_t *)icb;
4691         dptr2 = (uint8_t *)&nv->version;
4692         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4693         while (cnt--)
4694                 *dptr1++ = *dptr2++;
4695
4696         icb->login_retry_count = nv->login_retry_count;
4697
4698         /* Copy 2nd segment. */
4699         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4700         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4701         cnt = (uint8_t *)&icb->reserved_5 -
4702             (uint8_t *)&icb->interrupt_delay_timer;
4703         while (cnt--)
4704                 *dptr1++ = *dptr2++;
4705
4706         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4707         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4708         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4709                 icb->enode_mac[0] = 0x01;
4710                 icb->enode_mac[1] = 0x02;
4711                 icb->enode_mac[2] = 0x03;
4712                 icb->enode_mac[3] = 0x04;
4713                 icb->enode_mac[4] = 0x05;
4714                 icb->enode_mac[5] = 0x06 + ha->port_no;
4715         }
4716
4717         /* Use extended-initialization control block. */
4718         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
4719
4720         /*
4721          * Setup driver NVRAM options.
4722          */
4723         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4724             "QLE81XX");
4725
4726         /* Use alternate WWN? */
4727         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4728                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4729                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4730         }
4731
4732         /* Prepare nodename */
4733         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4734                 /*
4735                  * Firmware will apply the following mask if the nodename was
4736                  * not provided.
4737                  */
4738                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4739                 icb->node_name[0] &= 0xF0;
4740         }
4741
4742         /* Set host adapter parameters. */
4743         ha->flags.disable_risc_code_load = 0;
4744         ha->flags.enable_lip_reset = 0;
4745         ha->flags.enable_lip_full_login =
4746             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4747         ha->flags.enable_target_reset =
4748             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4749         ha->flags.enable_led_scheme = 0;
4750         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4751
4752         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4753             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4754
4755         /* save HBA serial number */
4756         ha->serial0 = icb->port_name[5];
4757         ha->serial1 = icb->port_name[6];
4758         ha->serial2 = icb->port_name[7];
4759         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4760         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4761
4762         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4763
4764         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4765
4766         /* Set minimum login_timeout to 4 seconds. */
4767         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4768                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4769         if (le16_to_cpu(nv->login_timeout) < 4)
4770                 nv->login_timeout = __constant_cpu_to_le16(4);
4771         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4772         icb->login_timeout = nv->login_timeout;
4773
4774         /* Set minimum RATOV to 100 tenths of a second. */
4775         ha->r_a_tov = 100;
4776
4777         ha->loop_reset_delay = nv->reset_delay;
4778
4779         /* Link Down Timeout = 0:
4780          *
4781          *      When Port Down timer expires we will start returning
4782          *      I/O's to OS with "DID_NO_CONNECT".
4783          *
4784          * Link Down Timeout != 0:
4785          *
4786          *       The driver waits for the link to come up after link down
4787          *       before returning I/Os to OS with "DID_NO_CONNECT".
4788          */
4789         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4790                 ha->loop_down_abort_time =
4791                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4792         } else {
4793                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4794                 ha->loop_down_abort_time =
4795                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4796         }
4797
4798         /* Need enough time to try and get the port back. */
4799         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4800         if (qlport_down_retry)
4801                 ha->port_down_retry_count = qlport_down_retry;
4802
4803         /* Set login_retry_count */
4804         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4805         if (ha->port_down_retry_count ==
4806             le16_to_cpu(nv->port_down_retry_count) &&
4807             ha->port_down_retry_count > 3)
4808                 ha->login_retry_count = ha->port_down_retry_count;
4809         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4810                 ha->login_retry_count = ha->port_down_retry_count;
4811         if (ql2xloginretrycount)
4812                 ha->login_retry_count = ql2xloginretrycount;
4813
4814         /* Enable ZIO. */
4815         if (!vha->flags.init_done) {
4816                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4817                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4818                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4819                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4820         }
4821         icb->firmware_options_2 &= __constant_cpu_to_le32(
4822             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4823         vha->flags.process_response_queue = 0;
4824         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4825                 ha->zio_mode = QLA_ZIO_MODE_6;
4826
4827                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4828                     "(%d us).\n", vha->host_no, ha->zio_mode,
4829                     ha->zio_timer * 100));
4830                 qla_printk(KERN_INFO, ha,
4831                     "ZIO mode %d enabled; timer delay (%d us).\n",
4832                     ha->zio_mode, ha->zio_timer * 100);
4833
4834                 icb->firmware_options_2 |= cpu_to_le32(
4835                     (uint32_t)ha->zio_mode);
4836                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4837                 vha->flags.process_response_queue = 1;
4838         }
4839
4840         if (rval) {
4841                 DEBUG2_3(printk(KERN_WARNING
4842                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4843         }
4844         return (rval);
4845 }
4846
4847 void
4848 qla81xx_update_fw_options(scsi_qla_host_t *ha)
4849 {
4850 }