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         set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
 281
 282         set_bit(0, ha->req_qid_map);
 283         set_bit(0, ha->rsp_qid_map);
 284
 285         qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
 286         rval = ha->isp_ops->pci_config(vha);
 287         if (rval) {
 288                 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
 289                     vha->host_no));
 290                 return (rval);
 291         }
 292
 293         ha->isp_ops->reset_chip(vha);
 294
 295         rval = qla2xxx_get_flash_info(vha);
 296         if (rval) {
 297                 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
 298                     vha->host_no));
 299                 return (rval);
 300         }
 301
 302         ha->isp_ops->get_flash_version(vha, req->ring);
 303
 304         qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
 305
 306         ha->isp_ops->nvram_config(vha);
 307
 308         if (ha->flags.disable_serdes) {
 309                 /* Mask HBA via NVRAM settings? */
 310                 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
 311                     "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
 312                     vha->port_name[0], vha->port_name[1],
 313                     vha->port_name[2], vha->port_name[3],
 314                     vha->port_name[4], vha->port_name[5],
 315                     vha->port_name[6], vha->port_name[7]);
 316                 return QLA_FUNCTION_FAILED;
 317         }
 318
 319         qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
 320
 321         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 322                 rval = ha->isp_ops->chip_diag(vha);
 323                 if (rval)
 324                         return (rval);
 325                 rval = qla2x00_setup_chip(vha);
 326                 if (rval)
 327                         return (rval);
 328         }
 329         if (IS_QLA84XX(ha)) {
 330                 ha->cs84xx = qla84xx_get_chip(vha);
 331                 if (!ha->cs84xx) {
 332                         qla_printk(KERN_ERR, ha,
 333                             "Unable to configure ISP84XX.\n");
 334                         return QLA_FUNCTION_FAILED;
 335                 }
 336         }
 337         rval = qla2x00_init_rings(vha);
 338         ha->flags.chip_reset_done = 1;
 339
 340         return (rval);
 341 }
 342
 343 /**
 344  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 345  * @ha: HA context
 346  *
 347  * Returns 0 on success.
 348  */
 349 int
 350 qla2100_pci_config(scsi_qla_host_t *vha)
 351 {
 352         uint16_t w;
 353         unsigned long flags;
 354         struct qla_hw_data *ha = vha->hw;
 355         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 356
 357         pci_set_master(ha->pdev);
 358         pci_try_set_mwi(ha->pdev);
 359
 360         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 361         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 362         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 363
 364         pci_disable_rom(ha->pdev);
 365
 366         /* Get PCI bus information. */
 367         spin_lock_irqsave(&ha->hardware_lock, flags);
 368         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 369         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 370
 371         return QLA_SUCCESS;
 372 }
 373
 374 /**
 375  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 376  * @ha: HA context
 377  *
 378  * Returns 0 on success.
 379  */
 380 int
 381 qla2300_pci_config(scsi_qla_host_t *vha)
 382 {
 383         uint16_t        w;
 384         unsigned long   flags = 0;
 385         uint32_t        cnt;
 386         struct qla_hw_data *ha = vha->hw;
 387         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 388
 389         pci_set_master(ha->pdev);
 390         pci_try_set_mwi(ha->pdev);
 391
 392         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 393         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 394
 395         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 396                 w &= ~PCI_COMMAND_INTX_DISABLE;
 397         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 398
 399         /*
 400          * If this is a 2300 card and not 2312, reset the
 401          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 402          * the 2310 also reports itself as a 2300 so we need to get the
 403          * fb revision level -- a 6 indicates it really is a 2300 and
 404          * not a 2310.
 405          */
 406         if (IS_QLA2300(ha)) {
 407                 spin_lock_irqsave(&ha->hardware_lock, flags);
 408
 409                 /* Pause RISC. */
 410                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 411                 for (cnt = 0; cnt < 30000; cnt++) {
 412                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 413                                 break;
 414
 415                         udelay(10);
 416                 }
 417
 418                 /* Select FPM registers. */
 419                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 420                 RD_REG_WORD(&reg->ctrl_status);
 421
 422                 /* Get the fb rev level */
 423                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 424
 425                 if (ha->fb_rev == FPM_2300)
 426                         pci_clear_mwi(ha->pdev);
 427
 428                 /* Deselect FPM registers. */
 429                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 430                 RD_REG_WORD(&reg->ctrl_status);
 431
 432                 /* Release RISC module. */
 433                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 434                 for (cnt = 0; cnt < 30000; cnt++) {
 435                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 436                                 break;
 437
 438                         udelay(10);
 439                 }
 440
 441                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 442         }
 443
 444         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 445
 446         pci_disable_rom(ha->pdev);
 447
 448         /* Get PCI bus information. */
 449         spin_lock_irqsave(&ha->hardware_lock, flags);
 450         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 451         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 452
 453         return QLA_SUCCESS;
 454 }
 455
 456 /**
 457  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 458  * @ha: HA context
 459  *
 460  * Returns 0 on success.
 461  */
 462 int
 463 qla24xx_pci_config(scsi_qla_host_t *vha)
 464 {
 465         uint16_t w;
 466         unsigned long flags = 0;
 467         struct qla_hw_data *ha = vha->hw;
 468         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 469
 470         pci_set_master(ha->pdev);
 471         pci_try_set_mwi(ha->pdev);
 472
 473         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 474         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 475         w &= ~PCI_COMMAND_INTX_DISABLE;
 476         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 477
 478         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 479
 480         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 481         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 482                 pcix_set_mmrbc(ha->pdev, 2048);
 483
 484         /* PCIe -- adjust Maximum Read Request Size (2048). */
 485         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 486                 pcie_set_readrq(ha->pdev, 2048);
 487
 488         pci_disable_rom(ha->pdev);
 489
 490         ha->chip_revision = ha->pdev->revision;
 491
 492         /* Get PCI bus information. */
 493         spin_lock_irqsave(&ha->hardware_lock, flags);
 494         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 495         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 496
 497         return QLA_SUCCESS;
 498 }
 499
 500 /**
 501  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 502  * @ha: HA context
 503  *
 504  * Returns 0 on success.
 505  */
 506 int
 507 qla25xx_pci_config(scsi_qla_host_t *vha)
 508 {
 509         uint16_t w;
 510         struct qla_hw_data *ha = vha->hw;
 511
 512         pci_set_master(ha->pdev);
 513         pci_try_set_mwi(ha->pdev);
 514
 515         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 516         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 517         w &= ~PCI_COMMAND_INTX_DISABLE;
 518         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 519
 520         /* PCIe -- adjust Maximum Read Request Size (2048). */
 521         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 522                 pcie_set_readrq(ha->pdev, 2048);
 523
 524         pci_disable_rom(ha->pdev);
 525
 526         ha->chip_revision = ha->pdev->revision;
 527
 528         return QLA_SUCCESS;
 529 }
 530
 531 /**
 532  * qla2x00_isp_firmware() - Choose firmware image.
 533  * @ha: HA context
 534  *
 535  * Returns 0 on success.
 536  */
 537 static int
 538 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 539 {
 540         int  rval;
 541         uint16_t loop_id, topo, sw_cap;
 542         uint8_t domain, area, al_pa;
 543         struct qla_hw_data *ha = vha->hw;
 544
 545         /* Assume loading risc code */
 546         rval = QLA_FUNCTION_FAILED;
 547
 548         if (ha->flags.disable_risc_code_load) {
 549                 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
 550                     vha->host_no));
 551                 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
 552
 553                 /* Verify checksum of loaded RISC code. */
 554                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 555                 if (rval == QLA_SUCCESS) {
 556                         /* And, verify we are not in ROM code. */
 557                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 558                             &area, &domain, &topo, &sw_cap);
 559                 }
 560         }
 561
 562         if (rval) {
 563                 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
 564                     vha->host_no));
 565         }
 566
 567         return (rval);
 568 }
 569
 570 /**
 571  * qla2x00_reset_chip() - Reset ISP chip.
 572  * @ha: HA context
 573  *
 574  * Returns 0 on success.
 575  */
 576 void
 577 qla2x00_reset_chip(scsi_qla_host_t *vha)
 578 {
 579         unsigned long   flags = 0;
 580         struct qla_hw_data *ha = vha->hw;
 581         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 582         uint32_t        cnt;
 583         uint16_t        cmd;
 584
 585         ha->isp_ops->disable_intrs(ha);
 586
 587         spin_lock_irqsave(&ha->hardware_lock, flags);
 588
 589         /* Turn off master enable */
 590         cmd = 0;
 591         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 592         cmd &= ~PCI_COMMAND_MASTER;
 593         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 594
 595         if (!IS_QLA2100(ha)) {
 596                 /* Pause RISC. */
 597                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 598                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 599                         for (cnt = 0; cnt < 30000; cnt++) {
 600                                 if ((RD_REG_WORD(&reg->hccr) &
 601                                     HCCR_RISC_PAUSE) != 0)
 602                                         break;
 603                                 udelay(100);
 604                         }
 605                 } else {
 606                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 607                         udelay(10);
 608                 }
 609
 610                 /* Select FPM registers. */
 611                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 612                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 613
 614                 /* FPM Soft Reset. */
 615                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 616                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 617
 618                 /* Toggle Fpm Reset. */
 619                 if (!IS_QLA2200(ha)) {
 620                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 621                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 622                 }
 623
 624                 /* Select frame buffer registers. */
 625                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 626                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 627
 628                 /* Reset frame buffer FIFOs. */
 629                 if (IS_QLA2200(ha)) {
 630                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 631                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 632                 } else {
 633                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 634
 635                         /* Read back fb_cmd until zero or 3 seconds max */
 636                         for (cnt = 0; cnt < 3000; cnt++) {
 637                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 638                                         break;
 639                                 udelay(100);
 640                         }
 641                 }
 642
 643                 /* Select RISC module registers. */
 644                 WRT_REG_WORD(&reg->ctrl_status, 0);
 645                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 646
 647                 /* Reset RISC processor. */
 648                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 649                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 650
 651                 /* Release RISC processor. */
 652                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 653                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 654         }
 655
 656         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 657         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 658
 659         /* Reset ISP chip. */
 660         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 661
 662         /* Wait for RISC to recover from reset. */
 663         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 664                 /*
 665                  * It is necessary to for a delay here since the card doesn't
 666                  * respond to PCI reads during a reset. On some architectures
 667                  * this will result in an MCA.
 668                  */
 669                 udelay(20);
 670                 for (cnt = 30000; cnt; cnt--) {
 671                         if ((RD_REG_WORD(&reg->ctrl_status) &
 672                             CSR_ISP_SOFT_RESET) == 0)
 673                                 break;
 674                         udelay(100);
 675                 }
 676         } else
 677                 udelay(10);
 678
 679         /* Reset RISC processor. */
 680         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 681
 682         WRT_REG_WORD(&reg->semaphore, 0);
 683
 684         /* Release RISC processor. */
 685         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 686         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 687
 688         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 689                 for (cnt = 0; cnt < 30000; cnt++) {
 690                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 691                                 break;
 692
 693                         udelay(100);
 694                 }
 695         } else
 696                 udelay(100);
 697
 698         /* Turn on master enable */
 699         cmd |= PCI_COMMAND_MASTER;
 700         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 701
 702         /* Disable RISC pause on FPM parity error. */
 703         if (!IS_QLA2100(ha)) {
 704                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
 705                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 706         }
 707
 708         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 709 }
 710
 711 /**
 712  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
 713  * @ha: HA context
 714  *
 715  * Returns 0 on success.
 716  */
 717 static inline void
 718 qla24xx_reset_risc(scsi_qla_host_t *vha)
 719 {
 720         unsigned long flags = 0;
 721         struct qla_hw_data *ha = vha->hw;
 722         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 723         uint32_t cnt, d2;
 724         uint16_t wd;
 725
 726         spin_lock_irqsave(&ha->hardware_lock, flags);
 727
 728         /* Reset RISC. */
 729         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 730         for (cnt = 0; cnt < 30000; cnt++) {
 731                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
 732                         break;
 733
 734                 udelay(10);
 735         }
 736
 737         WRT_REG_DWORD(&reg->ctrl_status,
 738             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 739         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
 740
 741         udelay(100);
 742         /* Wait for firmware to complete NVRAM accesses. */
 743         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 744         for (cnt = 10000 ; cnt && d2; cnt--) {
 745                 udelay(5);
 746                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 747                 barrier();
 748         }
 749
 750         /* Wait for soft-reset to complete. */
 751         d2 = RD_REG_DWORD(&reg->ctrl_status);
 752         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
 753                 udelay(5);
 754                 d2 = RD_REG_DWORD(&reg->ctrl_status);
 755                 barrier();
 756         }
 757
 758         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
 759         RD_REG_DWORD(&reg->hccr);
 760
 761         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
 762         RD_REG_DWORD(&reg->hccr);
 763
 764         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
 765         RD_REG_DWORD(&reg->hccr);
 766
 767         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 768         for (cnt = 6000000 ; cnt && d2; cnt--) {
 769                 udelay(5);
 770                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 771                 barrier();
 772         }
 773
 774         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 775
 776         if (IS_NOPOLLING_TYPE(ha))
 777                 ha->isp_ops->enable_intrs(ha);
 778 }
 779
 780 /**
 781  * qla24xx_reset_chip() - Reset ISP24xx chip.
 782  * @ha: HA context
 783  *
 784  * Returns 0 on success.
 785  */
 786 void
 787 qla24xx_reset_chip(scsi_qla_host_t *vha)
 788 {
 789         struct qla_hw_data *ha = vha->hw;
 790         ha->isp_ops->disable_intrs(ha);
 791
 792         /* Perform RISC reset. */
 793         qla24xx_reset_risc(vha);
 794 }
 795
 796 /**
 797  * qla2x00_chip_diag() - Test chip for proper operation.
 798  * @ha: HA context
 799  *
 800  * Returns 0 on success.
 801  */
 802 int
 803 qla2x00_chip_diag(scsi_qla_host_t *vha)
 804 {
 805         int             rval;
 806         struct qla_hw_data *ha = vha->hw;
 807         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 808         unsigned long   flags = 0;
 809         uint16_t        data;
 810         uint32_t        cnt;
 811         uint16_t        mb[5];
 812         struct req_que *req = ha->req_q_map[0];
 813
 814         /* Assume a failed state */
 815         rval = QLA_FUNCTION_FAILED;
 816
 817         DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
 818             vha->host_no, (u_long)&reg->flash_address));
 819
 820         spin_lock_irqsave(&ha->hardware_lock, flags);
 821
 822         /* Reset ISP chip. */
 823         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 824
 825         /*
 826          * We need to have a delay here since the card will not respond while
 827          * in reset causing an MCA on some architectures.
 828          */
 829         udelay(20);
 830         data = qla2x00_debounce_register(&reg->ctrl_status);
 831         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
 832                 udelay(5);
 833                 data = RD_REG_WORD(&reg->ctrl_status);
 834                 barrier();
 835         }
 836
 837         if (!cnt)
 838                 goto chip_diag_failed;
 839
 840         DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
 841             vha->host_no));
 842
 843         /* Reset RISC processor. */
 844         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 845         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 846
 847         /* Workaround for QLA2312 PCI parity error */
 848         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 849                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
 850                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
 851                         udelay(5);
 852                         data = RD_MAILBOX_REG(ha, reg, 0);
 853                         barrier();
 854                 }
 855         } else
 856                 udelay(10);
 857
 858         if (!cnt)
 859                 goto chip_diag_failed;
 860
 861         /* Check product ID of chip */
 862         DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
 863
 864         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
 865         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
 866         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
 867         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
 868         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
 869             mb[3] != PROD_ID_3) {
 870                 qla_printk(KERN_WARNING, ha,
 871                     "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
 872
 873                 goto chip_diag_failed;
 874         }
 875         ha->product_id[0] = mb[1];
 876         ha->product_id[1] = mb[2];
 877         ha->product_id[2] = mb[3];
 878         ha->product_id[3] = mb[4];
 879
 880         /* Adjust fw RISC transfer size */
 881         if (req->length > 1024)
 882                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
 883         else
 884                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
 885                     req->length;
 886
 887         if (IS_QLA2200(ha) &&
 888             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
 889                 /* Limit firmware transfer size with a 2200A */
 890                 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
 891                     vha->host_no));
 892
 893                 ha->device_type |= DT_ISP2200A;
 894                 ha->fw_transfer_size = 128;
 895         }
 896
 897         /* Wrap Incoming Mailboxes Test. */
 898         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 899
 900         DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
 901         rval = qla2x00_mbx_reg_test(vha);
 902         if (rval) {
 903                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
 904                     vha->host_no));
 905                 qla_printk(KERN_WARNING, ha,
 906                     "Failed mailbox send register test\n");
 907         }
 908         else {
 909                 /* Flag a successful rval */
 910                 rval = QLA_SUCCESS;
 911         }
 912         spin_lock_irqsave(&ha->hardware_lock, flags);
 913
 914 chip_diag_failed:
 915         if (rval)
 916                 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
 917                     "****\n", vha->host_no));
 918
 919         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 920
 921         return (rval);
 922 }
 923
 924 /**
 925  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
 926  * @ha: HA context
 927  *
 928  * Returns 0 on success.
 929  */
 930 int
 931 qla24xx_chip_diag(scsi_qla_host_t *vha)
 932 {
 933         int rval;
 934         struct qla_hw_data *ha = vha->hw;
 935         struct req_que *req = ha->req_q_map[0];
 936
 937         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
 938
 939         rval = qla2x00_mbx_reg_test(vha);
 940         if (rval) {
 941                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
 942                     vha->host_no));
 943                 qla_printk(KERN_WARNING, ha,
 944                     "Failed mailbox send register test\n");
 945         } else {
 946                 /* Flag a successful rval */
 947                 rval = QLA_SUCCESS;
 948         }
 949
 950         return rval;
 951 }
 952
 953 void
 954 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
 955 {
 956         int rval;
 957         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
 958             eft_size, fce_size, mq_size;
 959         dma_addr_t tc_dma;
 960         void *tc;
 961         struct qla_hw_data *ha = vha->hw;
 962         struct req_que *req = ha->req_q_map[0];
 963         struct rsp_que *rsp = ha->rsp_q_map[0];
 964
 965         if (ha->fw_dump) {
 966                 qla_printk(KERN_WARNING, ha,
 967                     "Firmware dump previously allocated.\n");
 968                 return;
 969         }
 970
 971         ha->fw_dumped = 0;
 972         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
 973         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 974                 fixed_size = sizeof(struct qla2100_fw_dump);
 975         } else if (IS_QLA23XX(ha)) {
 976                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
 977                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
 978                     sizeof(uint16_t);
 979         } else if (IS_FWI2_CAPABLE(ha)) {
 980                 if (IS_QLA81XX(ha))
 981                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
 982                 else if (IS_QLA25XX(ha))
 983                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
 984                 else
 985                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
 986                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
 987                     sizeof(uint32_t);
 988                 if (ha->mqenable)
 989                         mq_size = sizeof(struct qla2xxx_mq_chain);
 990                 /* Allocate memory for Fibre Channel Event Buffer. */
 991                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
 992                         goto try_eft;
 993
 994                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
 995                     GFP_KERNEL);
 996                 if (!tc) {
 997                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
 998                             "(%d KB) for FCE.\n", FCE_SIZE / 1024);
 999                         goto try_eft;
1000                 }
1001
1002                 memset(tc, 0, FCE_SIZE);
1003                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1004                     ha->fce_mb, &ha->fce_bufs);
1005                 if (rval) {
1006                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
1007                             "FCE (%d).\n", rval);
1008                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1009                             tc_dma);
1010                         ha->flags.fce_enabled = 0;
1011                         goto try_eft;
1012                 }
1013
1014                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
1015                     FCE_SIZE / 1024);
1016
1017                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1018                 ha->flags.fce_enabled = 1;
1019                 ha->fce_dma = tc_dma;
1020                 ha->fce = tc;
1021 try_eft:
1022                 /* Allocate memory for Extended Trace Buffer. */
1023                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1024                     GFP_KERNEL);
1025                 if (!tc) {
1026                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
1027                             "(%d KB) for EFT.\n", EFT_SIZE / 1024);
1028                         goto cont_alloc;
1029                 }
1030
1031                 memset(tc, 0, EFT_SIZE);
1032                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1033                 if (rval) {
1034                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
1035                             "EFT (%d).\n", rval);
1036                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1037                             tc_dma);
1038                         goto cont_alloc;
1039                 }
1040
1041                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
1042                     EFT_SIZE / 1024);
1043
1044                 eft_size = EFT_SIZE;
1045                 ha->eft_dma = tc_dma;
1046                 ha->eft = tc;
1047         }
1048 cont_alloc:
1049         req_q_size = req->length * sizeof(request_t);
1050         rsp_q_size = rsp->length * sizeof(response_t);
1051
1052         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1053         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1054         ha->chain_offset = dump_size;
1055         dump_size += mq_size + fce_size;
1056
1057         ha->fw_dump = vmalloc(dump_size);
1058         if (!ha->fw_dump) {
1059                 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
1060                     "firmware dump!!!\n", dump_size / 1024);
1061
1062                 if (ha->eft) {
1063                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1064                             ha->eft_dma);
1065                         ha->eft = NULL;
1066                         ha->eft_dma = 0;
1067                 }
1068                 return;
1069         }
1070         qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
1071             dump_size / 1024);
1072
1073         ha->fw_dump_len = dump_size;
1074         ha->fw_dump->signature[0] = 'Q';
1075         ha->fw_dump->signature[1] = 'L';
1076         ha->fw_dump->signature[2] = 'G';
1077         ha->fw_dump->signature[3] = 'C';
1078         ha->fw_dump->version = __constant_htonl(1);
1079
1080         ha->fw_dump->fixed_size = htonl(fixed_size);
1081         ha->fw_dump->mem_size = htonl(mem_size);
1082         ha->fw_dump->req_q_size = htonl(req_q_size);
1083         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1084
1085         ha->fw_dump->eft_size = htonl(eft_size);
1086         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1087         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1088
1089         ha->fw_dump->header_size =
1090             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1091 }
1092
1093 static int
1094 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1095 {
1096 #define MPS_MASK        0xe0
1097         int rval;
1098         uint16_t dc;
1099         uint32_t dw;
1100         struct qla_hw_data *ha = vha->hw;
1101
1102         if (!IS_QLA81XX(vha->hw))
1103                 return QLA_SUCCESS;
1104
1105         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1106         if (rval != QLA_SUCCESS) {
1107                 DEBUG2(qla_printk(KERN_WARNING, ha,
1108                     "Sync-MPI: Unable to acquire semaphore.\n"));
1109                 goto done;
1110         }
1111
1112         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1113         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1114         if (rval != QLA_SUCCESS) {
1115                 DEBUG2(qla_printk(KERN_WARNING, ha,
1116                     "Sync-MPI: Unable to read sync.\n"));
1117                 goto done_release;
1118         }
1119
1120         dc &= MPS_MASK;
1121         if (dc == (dw & MPS_MASK))
1122                 goto done_release;
1123
1124         dw &= ~MPS_MASK;
1125         dw |= dc;
1126         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1127         if (rval != QLA_SUCCESS) {
1128                 DEBUG2(qla_printk(KERN_WARNING, ha,
1129                     "Sync-MPI: Unable to gain sync.\n"));
1130         }
1131
1132 done_release:
1133         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1134         if (rval != QLA_SUCCESS) {
1135                 DEBUG2(qla_printk(KERN_WARNING, ha,
1136                     "Sync-MPI: Unable to release semaphore.\n"));
1137         }
1138
1139 done:
1140         return rval;
1141 }
1142
1143 /**
1144  * qla2x00_setup_chip() - Load and start RISC firmware.
1145  * @ha: HA context
1146  *
1147  * Returns 0 on success.
1148  */
1149 static int
1150 qla2x00_setup_chip(scsi_qla_host_t *vha)
1151 {
1152         int rval;
1153         uint32_t srisc_address = 0;
1154         struct qla_hw_data *ha = vha->hw;
1155         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1156         unsigned long flags;
1157         uint16_t fw_major_version;
1158
1159         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1160                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1161                 spin_lock_irqsave(&ha->hardware_lock, flags);
1162                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1163                 RD_REG_WORD(&reg->hccr);
1164                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1165         }
1166
1167         qla81xx_mpi_sync(vha);
1168
1169         /* Load firmware sequences */
1170         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1171         if (rval == QLA_SUCCESS) {
1172                 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
1173                     "code.\n", vha->host_no));
1174
1175                 rval = qla2x00_verify_checksum(vha, srisc_address);
1176                 if (rval == QLA_SUCCESS) {
1177                         /* Start firmware execution. */
1178                         DEBUG(printk("scsi(%ld): Checksum OK, start "
1179                             "firmware.\n", vha->host_no));
1180
1181                         rval = qla2x00_execute_fw(vha, srisc_address);
1182                         /* Retrieve firmware information. */
1183                         if (rval == QLA_SUCCESS) {
1184                                 fw_major_version = ha->fw_major_version;
1185                                 rval = qla2x00_get_fw_version(vha,
1186                                     &ha->fw_major_version,
1187                                     &ha->fw_minor_version,
1188                                     &ha->fw_subminor_version,
1189                                     &ha->fw_attributes, &ha->fw_memory_size,
1190                                     ha->mpi_version, &ha->mpi_capabilities,
1191                                     ha->phy_version);
1192                                 if (rval != QLA_SUCCESS)
1193                                         goto failed;
1194                                 ha->flags.npiv_supported = 0;
1195                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1196                                          (ha->fw_attributes & BIT_2)) {
1197                                         ha->flags.npiv_supported = 1;
1198                                         if ((!ha->max_npiv_vports) ||
1199                                             ((ha->max_npiv_vports + 1) %
1200                                             MIN_MULTI_ID_FABRIC))
1201                                                 ha->max_npiv_vports =
1202                                                     MIN_MULTI_ID_FABRIC - 1;
1203                                 }
1204                                 qla2x00_get_resource_cnts(vha, NULL,
1205                                     &ha->fw_xcb_count, NULL, NULL,
1206                                     &ha->max_npiv_vports);
1207
1208                                 if (!fw_major_version && ql2xallocfwdump)
1209                                         qla2x00_alloc_fw_dump(vha);
1210                         }
1211                 } else {
1212                         DEBUG2(printk(KERN_INFO
1213                             "scsi(%ld): ISP Firmware failed checksum.\n",
1214                             vha->host_no));
1215                 }
1216         }
1217
1218         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1219                 /* Enable proper parity. */
1220                 spin_lock_irqsave(&ha->hardware_lock, flags);
1221                 if (IS_QLA2300(ha))
1222                         /* SRAM parity */
1223                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1224                 else
1225                         /* SRAM, Instruction RAM and GP RAM parity */
1226                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1227                 RD_REG_WORD(&reg->hccr);
1228                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1229         }
1230
1231         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1232                 uint32_t size;
1233
1234                 rval = qla81xx_fac_get_sector_size(vha, &size);
1235                 if (rval == QLA_SUCCESS) {
1236                         ha->flags.fac_supported = 1;
1237                         ha->fdt_block_size = size << 2;
1238                 } else {
1239                         qla_printk(KERN_ERR, ha,
1240                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1241                             ha->fw_major_version, ha->fw_minor_version,
1242                             ha->fw_subminor_version);
1243                 }
1244         }
1245 failed:
1246         if (rval) {
1247                 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1248                     vha->host_no));
1249         }
1250
1251         return (rval);
1252 }
1253
1254 /**
1255  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1256  * @ha: HA context
1257  *
1258  * Beginning of request ring has initialization control block already built
1259  * by nvram config routine.
1260  *
1261  * Returns 0 on success.
1262  */
1263 void
1264 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1265 {
1266         uint16_t cnt;
1267         response_t *pkt;
1268
1269         rsp->ring_ptr = rsp->ring;
1270         rsp->ring_index    = 0;
1271         rsp->status_srb = NULL;
1272         pkt = rsp->ring_ptr;
1273         for (cnt = 0; cnt < rsp->length; cnt++) {
1274                 pkt->signature = RESPONSE_PROCESSED;
1275                 pkt++;
1276         }
1277 }
1278
1279 /**
1280  * qla2x00_update_fw_options() - Read and process firmware options.
1281  * @ha: HA context
1282  *
1283  * Returns 0 on success.
1284  */
1285 void
1286 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1287 {
1288         uint16_t swing, emphasis, tx_sens, rx_sens;
1289         struct qla_hw_data *ha = vha->hw;
1290
1291         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1292         qla2x00_get_fw_options(vha, ha->fw_options);
1293
1294         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1295                 return;
1296
1297         /* Serial Link options. */
1298         DEBUG3(printk("scsi(%ld): Serial link options:\n",
1299             vha->host_no));
1300         DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1301             sizeof(ha->fw_seriallink_options)));
1302
1303         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1304         if (ha->fw_seriallink_options[3] & BIT_2) {
1305                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1306
1307                 /*  1G settings */
1308                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1309                 emphasis = (ha->fw_seriallink_options[2] &
1310                     (BIT_4 | BIT_3)) >> 3;
1311                 tx_sens = ha->fw_seriallink_options[0] &
1312                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1313                 rx_sens = (ha->fw_seriallink_options[0] &
1314                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1315                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1316                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1317                         if (rx_sens == 0x0)
1318                                 rx_sens = 0x3;
1319                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1320                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1321                         ha->fw_options[10] |= BIT_5 |
1322                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1323                             (tx_sens & (BIT_1 | BIT_0));
1324
1325                 /*  2G settings */
1326                 swing = (ha->fw_seriallink_options[2] &
1327                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1328                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1329                 tx_sens = ha->fw_seriallink_options[1] &
1330                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1331                 rx_sens = (ha->fw_seriallink_options[1] &
1332                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1333                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1334                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1335                         if (rx_sens == 0x0)
1336                                 rx_sens = 0x3;
1337                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1338                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1339                         ha->fw_options[11] |= BIT_5 |
1340                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1341                             (tx_sens & (BIT_1 | BIT_0));
1342         }
1343
1344         /* FCP2 options. */
1345         /*  Return command IOCBs without waiting for an ABTS to complete. */
1346         ha->fw_options[3] |= BIT_13;
1347
1348         /* LED scheme. */
1349         if (ha->flags.enable_led_scheme)
1350                 ha->fw_options[2] |= BIT_12;
1351
1352         /* Detect ISP6312. */
1353         if (IS_QLA6312(ha))
1354                 ha->fw_options[2] |= BIT_13;
1355
1356         /* Update firmware options. */
1357         qla2x00_set_fw_options(vha, ha->fw_options);
1358 }
1359
1360 void
1361 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1362 {
1363         int rval;
1364         struct qla_hw_data *ha = vha->hw;
1365
1366         /* Update Serial Link options. */
1367         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1368                 return;
1369
1370         rval = qla2x00_set_serdes_params(vha,
1371             le16_to_cpu(ha->fw_seriallink_options24[1]),
1372             le16_to_cpu(ha->fw_seriallink_options24[2]),
1373             le16_to_cpu(ha->fw_seriallink_options24[3]));
1374         if (rval != QLA_SUCCESS) {
1375                 qla_printk(KERN_WARNING, ha,
1376                     "Unable to update Serial Link options (%x).\n", rval);
1377         }
1378 }
1379
1380 void
1381 qla2x00_config_rings(struct scsi_qla_host *vha)
1382 {
1383         struct qla_hw_data *ha = vha->hw;
1384         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1385         struct req_que *req = ha->req_q_map[0];
1386         struct rsp_que *rsp = ha->rsp_q_map[0];
1387
1388         /* Setup ring parameters in initialization control block. */
1389         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1390         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1391         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1392         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1393         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1394         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1395         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1396         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1397
1398         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1399         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1400         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1401         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1402         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1403 }
1404
1405 void
1406 qla24xx_config_rings(struct scsi_qla_host *vha)
1407 {
1408         struct qla_hw_data *ha = vha->hw;
1409         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1410         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1411         struct qla_msix_entry *msix;
1412         struct init_cb_24xx *icb;
1413         uint16_t rid = 0;
1414         struct req_que *req = ha->req_q_map[0];
1415         struct rsp_que *rsp = ha->rsp_q_map[0];
1416
1417 /* Setup ring parameters in initialization control block. */
1418         icb = (struct init_cb_24xx *)ha->init_cb;
1419         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1420         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1421         icb->request_q_length = cpu_to_le16(req->length);
1422         icb->response_q_length = cpu_to_le16(rsp->length);
1423         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1424         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1425         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1426         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1427
1428         if (ha->mqenable) {
1429                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1430                 icb->rid = __constant_cpu_to_le16(rid);
1431                 if (ha->flags.msix_enabled) {
1432                         msix = &ha->msix_entries[1];
1433                         DEBUG2_17(printk(KERN_INFO
1434                         "Registering vector 0x%x for base que\n", msix->entry));
1435                         icb->msix = cpu_to_le16(msix->entry);
1436                 }
1437                 /* Use alternate PCI bus number */
1438                 if (MSB(rid))
1439                         icb->firmware_options_2 |=
1440                                 __constant_cpu_to_le32(BIT_19);
1441                 /* Use alternate PCI devfn */
1442                 if (LSB(rid))
1443                         icb->firmware_options_2 |=
1444                                 __constant_cpu_to_le32(BIT_18);
1445
1446                 icb->firmware_options_2 &= __constant_cpu_to_le32(~BIT_22);
1447                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1448
1449                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1450                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1451                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1452                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1453         } else {
1454                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1455                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1456                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1457                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1458         }
1459         /* PCI posting */
1460         RD_REG_DWORD(&ioreg->hccr);
1461 }
1462
1463 /**
1464  * qla2x00_init_rings() - Initializes firmware.
1465  * @ha: HA context
1466  *
1467  * Beginning of request ring has initialization control block already built
1468  * by nvram config routine.
1469  *
1470  * Returns 0 on success.
1471  */
1472 static int
1473 qla2x00_init_rings(scsi_qla_host_t *vha)
1474 {
1475         int     rval;
1476         unsigned long flags = 0;
1477         int cnt, que;
1478         struct qla_hw_data *ha = vha->hw;
1479         struct req_que *req;
1480         struct rsp_que *rsp;
1481         struct scsi_qla_host *vp;
1482         struct mid_init_cb_24xx *mid_init_cb =
1483             (struct mid_init_cb_24xx *) ha->init_cb;
1484
1485         spin_lock_irqsave(&ha->hardware_lock, flags);
1486
1487         /* Clear outstanding commands array. */
1488         for (que = 0; que < ha->max_req_queues; que++) {
1489                 req = ha->req_q_map[que];
1490                 if (!req)
1491                         continue;
1492                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1493                         req->outstanding_cmds[cnt] = NULL;
1494
1495                 req->current_outstanding_cmd = 1;
1496
1497                 /* Initialize firmware. */
1498                 req->ring_ptr  = req->ring;
1499                 req->ring_index    = 0;
1500                 req->cnt      = req->length;
1501         }
1502
1503         for (que = 0; que < ha->max_rsp_queues; que++) {
1504                 rsp = ha->rsp_q_map[que];
1505                 if (!rsp)
1506                         continue;
1507                 /* Initialize response queue entries */
1508                 qla2x00_init_response_q_entries(rsp);
1509         }
1510
1511         /* Clear RSCN queue. */
1512         list_for_each_entry(vp, &ha->vp_list, list) {
1513                 vp->rscn_in_ptr = 0;
1514                 vp->rscn_out_ptr = 0;
1515         }
1516         ha->isp_ops->config_rings(vha);
1517
1518         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1519
1520         /* Update any ISP specific firmware options before initialization. */
1521         ha->isp_ops->update_fw_options(vha);
1522
1523         DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1524
1525         if (ha->flags.npiv_supported) {
1526                 if (ha->operating_mode == LOOP)
1527                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1528                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1529         }
1530
1531         if (IS_FWI2_CAPABLE(ha)) {
1532                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1533                 mid_init_cb->init_cb.execution_throttle =
1534                     cpu_to_le16(ha->fw_xcb_count);
1535         }
1536
1537         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1538         if (rval) {
1539                 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1540                     vha->host_no));
1541         } else {
1542                 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1543                     vha->host_no));
1544         }
1545
1546         return (rval);
1547 }
1548
1549 /**
1550  * qla2x00_fw_ready() - Waits for firmware ready.
1551  * @ha: HA context
1552  *
1553  * Returns 0 on success.
1554  */
1555 static int
1556 qla2x00_fw_ready(scsi_qla_host_t *vha)
1557 {
1558         int             rval;
1559         unsigned long   wtime, mtime, cs84xx_time;
1560         uint16_t        min_wait;       /* Minimum wait time if loop is down */
1561         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1562         uint16_t        state[5];
1563         struct qla_hw_data *ha = vha->hw;
1564
1565         rval = QLA_SUCCESS;
1566
1567         /* 20 seconds for loop down. */
1568         min_wait = 20;
1569
1570         /*
1571          * Firmware should take at most one RATOV to login, plus 5 seconds for
1572          * our own processing.
1573          */
1574         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1575                 wait_time = min_wait;
1576         }
1577
1578         /* Min wait time if loop down */
1579         mtime = jiffies + (min_wait * HZ);
1580
1581         /* wait time before firmware ready */
1582         wtime = jiffies + (wait_time * HZ);
1583
1584         /* Wait for ISP to finish LIP */
1585         if (!vha->flags.init_done)
1586                 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1587
1588         DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1589             vha->host_no));
1590
1591         do {
1592                 rval = qla2x00_get_firmware_state(vha, state);
1593                 if (rval == QLA_SUCCESS) {
1594                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
1595                                 vha->device_flags &= ~DFLG_NO_CABLE;
1596                         }
1597                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1598                                 DEBUG16(printk("scsi(%ld): fw_state=%x "
1599                                     "84xx=%x.\n", vha->host_no, state[0],
1600                                     state[2]));
1601                                 if ((state[2] & FSTATE_LOGGED_IN) &&
1602                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1603                                         DEBUG16(printk("scsi(%ld): Sending "
1604                                             "verify iocb.\n", vha->host_no));
1605
1606                                         cs84xx_time = jiffies;
1607                                         rval = qla84xx_init_chip(vha);
1608                                         if (rval != QLA_SUCCESS)
1609                                                 break;
1610
1611                                         /* Add time taken to initialize. */
1612                                         cs84xx_time = jiffies - cs84xx_time;
1613                                         wtime += cs84xx_time;
1614                                         mtime += cs84xx_time;
1615                                         DEBUG16(printk("scsi(%ld): Increasing "
1616                                             "wait time by %ld. New time %ld\n",
1617                                             vha->host_no, cs84xx_time, wtime));
1618                                 }
1619                         } else if (state[0] == FSTATE_READY) {
1620                                 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1621                                     vha->host_no));
1622
1623                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1624                                     &ha->login_timeout, &ha->r_a_tov);
1625
1626                                 rval = QLA_SUCCESS;
1627                                 break;
1628                         }
1629
1630                         rval = QLA_FUNCTION_FAILED;
1631
1632                         if (atomic_read(&vha->loop_down_timer) &&
1633                             state[0] != FSTATE_READY) {
1634                                 /* Loop down. Timeout on min_wait for states
1635                                  * other than Wait for Login.
1636                                  */
1637                                 if (time_after_eq(jiffies, mtime)) {
1638                                         qla_printk(KERN_INFO, ha,
1639                                             "Cable is unplugged...\n");
1640
1641                                         vha->device_flags |= DFLG_NO_CABLE;
1642                                         break;
1643                                 }
1644                         }
1645                 } else {
1646                         /* Mailbox cmd failed. Timeout on min_wait. */
1647                         if (time_after_eq(jiffies, mtime))
1648                                 break;
1649                 }
1650
1651                 if (time_after_eq(jiffies, wtime))
1652                         break;
1653
1654                 /* Delay for a while */
1655                 msleep(500);
1656
1657                 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1658                     vha->host_no, state[0], jiffies));
1659         } while (1);
1660
1661         DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1662             vha->host_no, state[0], state[1], state[2], state[3], state[4],
1663             jiffies));
1664
1665         if (rval) {
1666                 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1667                     vha->host_no));
1668         }
1669
1670         return (rval);
1671 }
1672
1673 /*
1674 *  qla2x00_configure_hba
1675 *      Setup adapter context.
1676 *
1677 * Input:
1678 *      ha = adapter state pointer.
1679 *
1680 * Returns:
1681 *      0 = success
1682 *
1683 * Context:
1684 *      Kernel context.
1685 */
1686 static int
1687 qla2x00_configure_hba(scsi_qla_host_t *vha)
1688 {
1689         int       rval;
1690         uint16_t      loop_id;
1691         uint16_t      topo;
1692         uint16_t      sw_cap;
1693         uint8_t       al_pa;
1694         uint8_t       area;
1695         uint8_t       domain;
1696         char            connect_type[22];
1697         struct qla_hw_data *ha = vha->hw;
1698
1699         /* Get host addresses. */
1700         rval = qla2x00_get_adapter_id(vha,
1701             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1702         if (rval != QLA_SUCCESS) {
1703                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
1704                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1705                         DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1706                             __func__, vha->host_no));
1707                 } else {
1708                         qla_printk(KERN_WARNING, ha,
1709                             "ERROR -- Unable to get host loop ID.\n");
1710                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1711                 }
1712                 return (rval);
1713         }
1714
1715         if (topo == 4) {
1716                 qla_printk(KERN_INFO, ha,
1717                         "Cannot get topology - retrying.\n");
1718                 return (QLA_FUNCTION_FAILED);
1719         }
1720
1721         vha->loop_id = loop_id;
1722
1723         /* initialize */
1724         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1725         ha->operating_mode = LOOP;
1726         ha->switch_cap = 0;
1727
1728         switch (topo) {
1729         case 0:
1730                 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1731                     vha->host_no));
1732                 ha->current_topology = ISP_CFG_NL;
1733                 strcpy(connect_type, "(Loop)");
1734                 break;
1735
1736         case 1:
1737                 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1738                     vha->host_no));
1739                 ha->switch_cap = sw_cap;
1740                 ha->current_topology = ISP_CFG_FL;
1741                 strcpy(connect_type, "(FL_Port)");
1742                 break;
1743
1744         case 2:
1745                 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1746                     vha->host_no));
1747                 ha->operating_mode = P2P;
1748                 ha->current_topology = ISP_CFG_N;
1749                 strcpy(connect_type, "(N_Port-to-N_Port)");
1750                 break;
1751
1752         case 3:
1753                 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1754                     vha->host_no));
1755                 ha->switch_cap = sw_cap;
1756                 ha->operating_mode = P2P;
1757                 ha->current_topology = ISP_CFG_F;
1758                 strcpy(connect_type, "(F_Port)");
1759                 break;
1760
1761         default:
1762                 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1763                     "Using NL.\n",
1764                     vha->host_no, topo));
1765                 ha->current_topology = ISP_CFG_NL;
1766                 strcpy(connect_type, "(Loop)");
1767                 break;
1768         }
1769
1770         /* Save Host port and loop ID. */
1771         /* byte order - Big Endian */
1772         vha->d_id.b.domain = domain;
1773         vha->d_id.b.area = area;
1774         vha->d_id.b.al_pa = al_pa;
1775
1776         if (!vha->flags.init_done)
1777                 qla_printk(KERN_INFO, ha,
1778                     "Topology - %s, Host Loop address 0x%x\n",
1779                     connect_type, vha->loop_id);
1780
1781         if (rval) {
1782                 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1783         } else {
1784                 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1785         }
1786
1787         return(rval);
1788 }
1789
1790 static inline void
1791 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1792         char *def)
1793 {
1794         char *st, *en;
1795         uint16_t index;
1796         struct qla_hw_data *ha = vha->hw;
1797         int use_tbl = !IS_QLA25XX(ha) && !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_TAPE_PRESENT;
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 *vha)
3498 {
3499         fc_port_t *fcport;
3500
3501         /* Go with deferred removal of rport references. */
3502         list_for_each_entry(fcport, &vha->vp_fcports, list)
3503                 if (fcport && fcport->drport &&
3504                     atomic_read(&fcport->state) != FCS_UNCONFIGURED)
3505                         qla2x00_rport_del(fcport);
3506 }
3507
3508 /*
3509 *  qla2x00_abort_isp
3510 *      Resets ISP and aborts all outstanding commands.
3511 *
3512 * Input:
3513 *      ha           = adapter block pointer.
3514 *
3515 * Returns:
3516 *      0 = success
3517 */
3518 int
3519 qla2x00_abort_isp(scsi_qla_host_t *vha)
3520 {
3521         int rval;
3522         uint8_t        status = 0;
3523         struct qla_hw_data *ha = vha->hw;
3524         struct scsi_qla_host *vp;
3525         struct scsi_qla_host *tvp;
3526         struct req_que *req = ha->req_q_map[0];
3527
3528         if (vha->flags.online) {
3529                 vha->flags.online = 0;
3530                 ha->flags.chip_reset_done = 0;
3531                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3532                 ha->qla_stats.total_isp_aborts++;
3533
3534                 qla_printk(KERN_INFO, ha,
3535                     "Performing ISP error recovery - ha= %p.\n", ha);
3536                 ha->isp_ops->reset_chip(vha);
3537
3538                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3539                 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3540                         atomic_set(&vha->loop_state, LOOP_DOWN);
3541                         qla2x00_mark_all_devices_lost(vha, 0);
3542                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list)
3543                                qla2x00_mark_all_devices_lost(vp, 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 (ha->fce) {
3576                                 ha->flags.fce_enabled = 1;
3577                                 memset(ha->fce, 0,
3578                                     fce_calc_size(ha->fce_bufs));
3579                                 rval = qla2x00_enable_fce_trace(vha,
3580                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3581                                     &ha->fce_bufs);
3582                                 if (rval) {
3583                                         qla_printk(KERN_WARNING, ha,
3584                                             "Unable to reinitialize FCE "
3585                                             "(%d).\n", rval);
3586                                         ha->flags.fce_enabled = 0;
3587                                 }
3588                         }
3589
3590                         if (ha->eft) {
3591                                 memset(ha->eft, 0, EFT_SIZE);
3592                                 rval = qla2x00_enable_eft_trace(vha,
3593                                     ha->eft_dma, EFT_NUM_BUFFERS);
3594                                 if (rval) {
3595                                         qla_printk(KERN_WARNING, ha,
3596                                             "Unable to reinitialize EFT "
3597                                             "(%d).\n", rval);
3598                                 }
3599                         }
3600                 } else {        /* failed the ISP abort */
3601                         vha->flags.online = 1;
3602                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3603                                 if (ha->isp_abort_cnt == 0) {
3604                                         qla_printk(KERN_WARNING, ha,
3605                                             "ISP error recovery failed - "
3606                                             "board disabled\n");
3607                                         /*
3608                                          * The next call disables the board
3609                                          * completely.
3610                                          */
3611                                         ha->isp_ops->reset_adapter(vha);
3612                                         vha->flags.online = 0;
3613                                         clear_bit(ISP_ABORT_RETRY,
3614                                             &vha->dpc_flags);
3615                                         status = 0;
3616                                 } else { /* schedule another ISP abort */
3617                                         ha->isp_abort_cnt--;
3618                                         DEBUG(printk("qla%ld: ISP abort - "
3619                                             "retry remaining %d\n",
3620                                             vha->host_no, ha->isp_abort_cnt));
3621                                         status = 1;
3622                                 }
3623                         } else {
3624                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3625                                 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3626                                     "- retrying (%d) more times\n",
3627                                     vha->host_no, ha->isp_abort_cnt));
3628                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3629                                 status = 1;
3630                         }
3631                 }
3632
3633         }
3634
3635         if (!status) {
3636                 DEBUG(printk(KERN_INFO
3637                                 "qla2x00_abort_isp(%ld): succeeded.\n",
3638                                 vha->host_no));
3639                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3640                         if (vp->vp_idx)
3641                                 qla2x00_vp_abort_isp(vp);
3642                 }
3643         } else {
3644                 qla_printk(KERN_INFO, ha,
3645                         "qla2x00_abort_isp: **** FAILED ****\n");
3646         }
3647
3648         return(status);
3649 }
3650
3651 /*
3652 *  qla2x00_restart_isp
3653 *      restarts the ISP after a reset
3654 *
3655 * Input:
3656 *      ha = adapter block pointer.
3657 *
3658 * Returns:
3659 *      0 = success
3660 */
3661 static int
3662 qla2x00_restart_isp(scsi_qla_host_t *vha)
3663 {
3664         int status = 0;
3665         uint32_t wait_time;
3666         struct qla_hw_data *ha = vha->hw;
3667         struct req_que *req = ha->req_q_map[0];
3668         struct rsp_que *rsp = ha->rsp_q_map[0];
3669
3670         /* If firmware needs to be loaded */
3671         if (qla2x00_isp_firmware(vha)) {
3672                 vha->flags.online = 0;
3673                 status = ha->isp_ops->chip_diag(vha);
3674                 if (!status)
3675                         status = qla2x00_setup_chip(vha);
3676         }
3677
3678         if (!status && !(status = qla2x00_init_rings(vha))) {
3679                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3680                 ha->flags.chip_reset_done = 1;
3681                 /* Initialize the queues in use */
3682                 qla25xx_init_queues(ha);
3683
3684                 status = qla2x00_fw_ready(vha);
3685                 if (!status) {
3686                         DEBUG(printk("%s(): Start configure loop, "
3687                             "status = %d\n", __func__, status));
3688
3689                         /* Issue a marker after FW becomes ready. */
3690                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
3691
3692                         vha->flags.online = 1;
3693                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3694                         wait_time = 256;
3695                         do {
3696                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3697                                 qla2x00_configure_loop(vha);
3698                                 wait_time--;
3699                         } while (!atomic_read(&vha->loop_down_timer) &&
3700                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3701                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3702                                 &vha->dpc_flags)));
3703                 }
3704
3705                 /* if no cable then assume it's good */
3706                 if ((vha->device_flags & DFLG_NO_CABLE))
3707                         status = 0;
3708
3709                 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3710                                 __func__,
3711                                 status));
3712         }
3713         return (status);
3714 }
3715
3716 static int
3717 qla25xx_init_queues(struct qla_hw_data *ha)
3718 {
3719         struct rsp_que *rsp = NULL;
3720         struct req_que *req = NULL;
3721         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3722         int ret = -1;
3723         int i;
3724
3725         for (i = 1; i < ha->max_rsp_queues; i++) {
3726                 rsp = ha->rsp_q_map[i];
3727                 if (rsp) {
3728                         rsp->options &= ~BIT_0;
3729                         ret = qla25xx_init_rsp_que(base_vha, rsp);
3730                         if (ret != QLA_SUCCESS)
3731                                 DEBUG2_17(printk(KERN_WARNING
3732                                         "%s Rsp que:%d init failed\n", __func__,
3733                                                 rsp->id));
3734                         else
3735                                 DEBUG2_17(printk(KERN_INFO
3736                                         "%s Rsp que:%d inited\n", __func__,
3737                                                 rsp->id));
3738                 }
3739         }
3740         for (i = 1; i < ha->max_req_queues; i++) {
3741                 req = ha->req_q_map[i];
3742                 if (req) {
3743                 /* Clear outstanding commands array. */
3744                         req->options &= ~BIT_0;
3745                         ret = qla25xx_init_req_que(base_vha, req);
3746                         if (ret != QLA_SUCCESS)
3747                                 DEBUG2_17(printk(KERN_WARNING
3748                                         "%s Req que:%d init failed\n", __func__,
3749                                                 req->id));
3750                         else
3751                                 DEBUG2_17(printk(KERN_WARNING
3752                                         "%s Req que:%d inited\n", __func__,
3753                                                 req->id));
3754                 }
3755         }
3756         return ret;
3757 }
3758
3759 /*
3760 * qla2x00_reset_adapter
3761 *      Reset adapter.
3762 *
3763 * Input:
3764 *      ha = adapter block pointer.
3765 */
3766 void
3767 qla2x00_reset_adapter(scsi_qla_host_t *vha)
3768 {
3769         unsigned long flags = 0;
3770         struct qla_hw_data *ha = vha->hw;
3771         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3772
3773         vha->flags.online = 0;
3774         ha->isp_ops->disable_intrs(ha);
3775
3776         spin_lock_irqsave(&ha->hardware_lock, flags);
3777         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3778         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3779         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3780         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3781         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3782 }
3783
3784 void
3785 qla24xx_reset_adapter(scsi_qla_host_t *vha)
3786 {
3787         unsigned long flags = 0;
3788         struct qla_hw_data *ha = vha->hw;
3789         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3790
3791         vha->flags.online = 0;
3792         ha->isp_ops->disable_intrs(ha);
3793
3794         spin_lock_irqsave(&ha->hardware_lock, flags);
3795         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3796         RD_REG_DWORD(&reg->hccr);
3797         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3798         RD_REG_DWORD(&reg->hccr);
3799         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3800
3801         if (IS_NOPOLLING_TYPE(ha))
3802                 ha->isp_ops->enable_intrs(ha);
3803 }
3804
3805 /* On sparc systems, obtain port and node WWN from firmware
3806  * properties.
3807  */
3808 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3809         struct nvram_24xx *nv)
3810 {
3811 #ifdef CONFIG_SPARC
3812         struct qla_hw_data *ha = vha->hw;
3813         struct pci_dev *pdev = ha->pdev;
3814         struct device_node *dp = pci_device_to_OF_node(pdev);
3815         const u8 *val;
3816         int len;
3817
3818         val = of_get_property(dp, "port-wwn", &len);
3819         if (val && len >= WWN_SIZE)
3820                 memcpy(nv->port_name, val, WWN_SIZE);
3821
3822         val = of_get_property(dp, "node-wwn", &len);
3823         if (val && len >= WWN_SIZE)
3824                 memcpy(nv->node_name, val, WWN_SIZE);
3825 #endif
3826 }
3827
3828 int
3829 qla24xx_nvram_config(scsi_qla_host_t *vha)
3830 {
3831         int   rval;
3832         struct init_cb_24xx *icb;
3833         struct nvram_24xx *nv;
3834         uint32_t *dptr;
3835         uint8_t  *dptr1, *dptr2;
3836         uint32_t chksum;
3837         uint16_t cnt;
3838         struct qla_hw_data *ha = vha->hw;
3839
3840         rval = QLA_SUCCESS;
3841         icb = (struct init_cb_24xx *)ha->init_cb;
3842         nv = ha->nvram;
3843
3844         /* Determine NVRAM starting address. */
3845         if (ha->flags.port0) {
3846                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3847                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3848         } else {
3849                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3850                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3851         }
3852         ha->nvram_size = sizeof(struct nvram_24xx);
3853         ha->vpd_size = FA_NVRAM_VPD_SIZE;
3854
3855         /* Get VPD data into cache */
3856         ha->vpd = ha->nvram + VPD_OFFSET;
3857         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
3858             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3859
3860         /* Get NVRAM data into cache and calculate checksum. */
3861         dptr = (uint32_t *)nv;
3862         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
3863             ha->nvram_size);
3864         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3865                 chksum += le32_to_cpu(*dptr++);
3866
3867         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
3868         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3869
3870         /* Bad NVRAM data, set defaults parameters. */
3871         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3872             || nv->id[3] != ' ' ||
3873             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3874                 /* Reset NVRAM data. */
3875                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3876                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3877                     le16_to_cpu(nv->nvram_version));
3878                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3879                     "invalid -- WWPN) defaults.\n");
3880
3881                 /*
3882                  * Set default initialization control block.
3883                  */
3884                 memset(nv, 0, ha->nvram_size);
3885                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3886                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3887                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3888                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3889                 nv->exchange_count = __constant_cpu_to_le16(0);
3890                 nv->hard_address = __constant_cpu_to_le16(124);
3891                 nv->port_name[0] = 0x21;
3892                 nv->port_name[1] = 0x00 + ha->port_no;
3893                 nv->port_name[2] = 0x00;
3894                 nv->port_name[3] = 0xe0;
3895                 nv->port_name[4] = 0x8b;
3896                 nv->port_name[5] = 0x1c;
3897                 nv->port_name[6] = 0x55;
3898                 nv->port_name[7] = 0x86;
3899                 nv->node_name[0] = 0x20;
3900                 nv->node_name[1] = 0x00;
3901                 nv->node_name[2] = 0x00;
3902                 nv->node_name[3] = 0xe0;
3903                 nv->node_name[4] = 0x8b;
3904                 nv->node_name[5] = 0x1c;
3905                 nv->node_name[6] = 0x55;
3906                 nv->node_name[7] = 0x86;
3907                 qla24xx_nvram_wwn_from_ofw(vha, nv);
3908                 nv->login_retry_count = __constant_cpu_to_le16(8);
3909                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3910                 nv->login_timeout = __constant_cpu_to_le16(0);
3911                 nv->firmware_options_1 =
3912                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3913                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3914                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3915                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3916                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3917                 nv->efi_parameters = __constant_cpu_to_le32(0);
3918                 nv->reset_delay = 5;
3919                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3920                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3921                 nv->link_down_timeout = __constant_cpu_to_le16(30);
3922
3923                 rval = 1;
3924         }
3925
3926         /* Reset Initialization control block */
3927         memset(icb, 0, ha->init_cb_size);
3928
3929         /* Copy 1st segment. */
3930         dptr1 = (uint8_t *)icb;
3931         dptr2 = (uint8_t *)&nv->version;
3932         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3933         while (cnt--)
3934                 *dptr1++ = *dptr2++;
3935
3936         icb->login_retry_count = nv->login_retry_count;
3937         icb->link_down_on_nos = nv->link_down_on_nos;
3938
3939         /* Copy 2nd segment. */
3940         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3941         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3942         cnt = (uint8_t *)&icb->reserved_3 -
3943             (uint8_t *)&icb->interrupt_delay_timer;
3944         while (cnt--)
3945                 *dptr1++ = *dptr2++;
3946
3947         /*
3948          * Setup driver NVRAM options.
3949          */
3950         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
3951             "QLA2462");
3952
3953         /* Use alternate WWN? */
3954         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3955                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3956                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3957         }
3958
3959         /* Prepare nodename */
3960         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3961                 /*
3962                  * Firmware will apply the following mask if the nodename was
3963                  * not provided.
3964                  */
3965                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3966                 icb->node_name[0] &= 0xF0;
3967         }
3968
3969         /* Set host adapter parameters. */
3970         ha->flags.disable_risc_code_load = 0;
3971         ha->flags.enable_lip_reset = 0;
3972         ha->flags.enable_lip_full_login =
3973             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3974         ha->flags.enable_target_reset =
3975             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
3976         ha->flags.enable_led_scheme = 0;
3977         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3978
3979         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3980             (BIT_6 | BIT_5 | BIT_4)) >> 4;
3981
3982         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3983             sizeof(ha->fw_seriallink_options24));
3984
3985         /* save HBA serial number */
3986         ha->serial0 = icb->port_name[5];
3987         ha->serial1 = icb->port_name[6];
3988         ha->serial2 = icb->port_name[7];
3989         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
3990         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
3991
3992         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3993
3994         ha->retry_count = le16_to_cpu(nv->login_retry_count);
3995
3996         /* Set minimum login_timeout to 4 seconds. */
3997         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3998                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3999         if (le16_to_cpu(nv->login_timeout) < 4)
4000                 nv->login_timeout = __constant_cpu_to_le16(4);
4001         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4002         icb->login_timeout = nv->login_timeout;
4003
4004         /* Set minimum RATOV to 100 tenths of a second. */
4005         ha->r_a_tov = 100;
4006
4007         ha->loop_reset_delay = nv->reset_delay;
4008
4009         /* Link Down Timeout = 0:
4010          *
4011          *      When Port Down timer expires we will start returning
4012          *      I/O's to OS with "DID_NO_CONNECT".
4013          *
4014          * Link Down Timeout != 0:
4015          *
4016          *       The driver waits for the link to come up after link down
4017          *       before returning I/Os to OS with "DID_NO_CONNECT".
4018          */
4019         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4020                 ha->loop_down_abort_time =
4021                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4022         } else {
4023                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4024                 ha->loop_down_abort_time =
4025                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4026         }
4027
4028         /* Need enough time to try and get the port back. */
4029         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4030         if (qlport_down_retry)
4031                 ha->port_down_retry_count = qlport_down_retry;
4032
4033         /* Set login_retry_count */
4034         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4035         if (ha->port_down_retry_count ==
4036             le16_to_cpu(nv->port_down_retry_count) &&
4037             ha->port_down_retry_count > 3)
4038                 ha->login_retry_count = ha->port_down_retry_count;
4039         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4040                 ha->login_retry_count = ha->port_down_retry_count;
4041         if (ql2xloginretrycount)
4042                 ha->login_retry_count = ql2xloginretrycount;
4043
4044         /* Enable ZIO. */
4045         if (!vha->flags.init_done) {
4046                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4047                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4048                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4049                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4050         }
4051         icb->firmware_options_2 &= __constant_cpu_to_le32(
4052             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4053         vha->flags.process_response_queue = 0;
4054         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4055                 ha->zio_mode = QLA_ZIO_MODE_6;
4056
4057                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4058                     "(%d us).\n", vha->host_no, ha->zio_mode,
4059                     ha->zio_timer * 100));
4060                 qla_printk(KERN_INFO, ha,
4061                     "ZIO mode %d enabled; timer delay (%d us).\n",
4062                     ha->zio_mode, ha->zio_timer * 100);
4063
4064                 icb->firmware_options_2 |= cpu_to_le32(
4065                     (uint32_t)ha->zio_mode);
4066                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4067                 vha->flags.process_response_queue = 1;
4068         }
4069
4070         if (rval) {
4071                 DEBUG2_3(printk(KERN_WARNING
4072                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4073         }
4074         return (rval);
4075 }
4076
4077 static int
4078 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4079     uint32_t faddr)
4080 {
4081         int     rval = QLA_SUCCESS;
4082         int     segments, fragment;
4083         uint32_t *dcode, dlen;
4084         uint32_t risc_addr;
4085         uint32_t risc_size;
4086         uint32_t i;
4087         struct qla_hw_data *ha = vha->hw;
4088         struct req_que *req = ha->req_q_map[0];
4089
4090         qla_printk(KERN_INFO, ha,
4091             "FW: Loading from flash (%x)...\n", faddr);
4092
4093         rval = QLA_SUCCESS;
4094
4095         segments = FA_RISC_CODE_SEGMENTS;
4096         dcode = (uint32_t *)req->ring;
4097         *srisc_addr = 0;
4098
4099         /* Validate firmware image by checking version. */
4100         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4101         for (i = 0; i < 4; i++)
4102                 dcode[i] = be32_to_cpu(dcode[i]);
4103         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4104             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4105             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4106                 dcode[3] == 0)) {
4107                 qla_printk(KERN_WARNING, ha,
4108                     "Unable to verify integrity of flash firmware image!\n");
4109                 qla_printk(KERN_WARNING, ha,
4110                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4111                     dcode[1], dcode[2], dcode[3]);
4112
4113                 return QLA_FUNCTION_FAILED;
4114         }
4115
4116         while (segments && rval == QLA_SUCCESS) {
4117                 /* Read segment's load information. */
4118                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4119
4120                 risc_addr = be32_to_cpu(dcode[2]);
4121                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4122                 risc_size = be32_to_cpu(dcode[3]);
4123
4124                 fragment = 0;
4125                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4126                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4127                         if (dlen > risc_size)
4128                                 dlen = risc_size;
4129
4130                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4131                             "addr %x, number of dwords 0x%x, offset 0x%x.\n",
4132                             vha->host_no, risc_addr, dlen, faddr));
4133
4134                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4135                         for (i = 0; i < dlen; i++)
4136                                 dcode[i] = swab32(dcode[i]);
4137
4138                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4139                             dlen);
4140                         if (rval) {
4141                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4142                                     "segment %d of firmware\n", vha->host_no,
4143                                     fragment));
4144                                 qla_printk(KERN_WARNING, ha,
4145                                     "[ERROR] Failed to load segment %d of "
4146                                     "firmware\n", fragment);
4147                                 break;
4148                         }
4149
4150                         faddr += dlen;
4151                         risc_addr += dlen;
4152                         risc_size -= dlen;
4153                         fragment++;
4154                 }
4155
4156                 /* Next segment. */
4157                 segments--;
4158         }
4159
4160         return rval;
4161 }
4162
4163 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4164
4165 int
4166 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4167 {
4168         int     rval;
4169         int     i, fragment;
4170         uint16_t *wcode, *fwcode;
4171         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4172         struct fw_blob *blob;
4173         struct qla_hw_data *ha = vha->hw;
4174         struct req_que *req = ha->req_q_map[0];
4175
4176         /* Load firmware blob. */
4177         blob = qla2x00_request_firmware(vha);
4178         if (!blob) {
4179                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4180                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4181                     "from: " QLA_FW_URL ".\n");
4182                 return QLA_FUNCTION_FAILED;
4183         }
4184
4185         rval = QLA_SUCCESS;
4186
4187         wcode = (uint16_t *)req->ring;
4188         *srisc_addr = 0;
4189         fwcode = (uint16_t *)blob->fw->data;
4190         fwclen = 0;
4191
4192         /* Validate firmware image by checking version. */
4193         if (blob->fw->size < 8 * sizeof(uint16_t)) {
4194                 qla_printk(KERN_WARNING, ha,
4195                     "Unable to verify integrity of firmware image (%Zd)!\n",
4196                     blob->fw->size);
4197                 goto fail_fw_integrity;
4198         }
4199         for (i = 0; i < 4; i++)
4200                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4201         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4202             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4203                 wcode[2] == 0 && wcode[3] == 0)) {
4204                 qla_printk(KERN_WARNING, ha,
4205                     "Unable to verify integrity of firmware image!\n");
4206                 qla_printk(KERN_WARNING, ha,
4207                     "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4208                     wcode[1], wcode[2], wcode[3]);
4209                 goto fail_fw_integrity;
4210         }
4211
4212         seg = blob->segs;
4213         while (*seg && rval == QLA_SUCCESS) {
4214                 risc_addr = *seg;
4215                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4216                 risc_size = be16_to_cpu(fwcode[3]);
4217
4218                 /* Validate firmware image size. */
4219                 fwclen += risc_size * sizeof(uint16_t);
4220                 if (blob->fw->size < fwclen) {
4221                         qla_printk(KERN_WARNING, ha,
4222                             "Unable to verify integrity of firmware image "
4223                             "(%Zd)!\n", blob->fw->size);
4224                         goto fail_fw_integrity;
4225                 }
4226
4227                 fragment = 0;
4228                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4229                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4230                         if (wlen > risc_size)
4231                                 wlen = risc_size;
4232
4233                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4234                             "addr %x, number of words 0x%x.\n", vha->host_no,
4235                             risc_addr, wlen));
4236
4237                         for (i = 0; i < wlen; i++)
4238                                 wcode[i] = swab16(fwcode[i]);
4239
4240                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4241                             wlen);
4242                         if (rval) {
4243                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4244                                     "segment %d of firmware\n", vha->host_no,
4245                                     fragment));
4246                                 qla_printk(KERN_WARNING, ha,
4247                                     "[ERROR] Failed to load segment %d of "
4248                                     "firmware\n", fragment);
4249                                 break;
4250                         }
4251
4252                         fwcode += wlen;
4253                         risc_addr += wlen;
4254                         risc_size -= wlen;
4255                         fragment++;
4256                 }
4257
4258                 /* Next segment. */
4259                 seg++;
4260         }
4261         return rval;
4262
4263 fail_fw_integrity:
4264         return QLA_FUNCTION_FAILED;
4265 }
4266
4267 static int
4268 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4269 {
4270         int     rval;
4271         int     segments, fragment;
4272         uint32_t *dcode, dlen;
4273         uint32_t risc_addr;
4274         uint32_t risc_size;
4275         uint32_t i;
4276         struct fw_blob *blob;
4277         uint32_t *fwcode, fwclen;
4278         struct qla_hw_data *ha = vha->hw;
4279         struct req_que *req = ha->req_q_map[0];
4280
4281         /* Load firmware blob. */
4282         blob = qla2x00_request_firmware(vha);
4283         if (!blob) {
4284                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4285                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4286                     "from: " QLA_FW_URL ".\n");
4287
4288                 return QLA_FUNCTION_FAILED;
4289         }
4290
4291         qla_printk(KERN_INFO, ha,
4292             "FW: Loading via request-firmware...\n");
4293
4294         rval = QLA_SUCCESS;
4295
4296         segments = FA_RISC_CODE_SEGMENTS;
4297         dcode = (uint32_t *)req->ring;
4298         *srisc_addr = 0;
4299         fwcode = (uint32_t *)blob->fw->data;
4300         fwclen = 0;
4301
4302         /* Validate firmware image by checking version. */
4303         if (blob->fw->size < 8 * sizeof(uint32_t)) {
4304                 qla_printk(KERN_WARNING, ha,
4305                     "Unable to verify integrity of firmware image (%Zd)!\n",
4306                     blob->fw->size);
4307                 goto fail_fw_integrity;
4308         }
4309         for (i = 0; i < 4; i++)
4310                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4311         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4312             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4313             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4314                 dcode[3] == 0)) {
4315                 qla_printk(KERN_WARNING, ha,
4316                     "Unable to verify integrity of firmware image!\n");
4317                 qla_printk(KERN_WARNING, ha,
4318                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4319                     dcode[1], dcode[2], dcode[3]);
4320                 goto fail_fw_integrity;
4321         }
4322
4323         while (segments && rval == QLA_SUCCESS) {
4324                 risc_addr = be32_to_cpu(fwcode[2]);
4325                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4326                 risc_size = be32_to_cpu(fwcode[3]);
4327
4328                 /* Validate firmware image size. */
4329                 fwclen += risc_size * sizeof(uint32_t);
4330                 if (blob->fw->size < fwclen) {
4331                         qla_printk(KERN_WARNING, ha,
4332                             "Unable to verify integrity of firmware image "
4333                             "(%Zd)!\n", blob->fw->size);
4334
4335                         goto fail_fw_integrity;
4336                 }
4337
4338                 fragment = 0;
4339                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4340                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4341                         if (dlen > risc_size)
4342                                 dlen = risc_size;
4343
4344                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4345                             "addr %x, number of dwords 0x%x.\n", vha->host_no,
4346                             risc_addr, dlen));
4347
4348                         for (i = 0; i < dlen; i++)
4349                                 dcode[i] = swab32(fwcode[i]);
4350
4351                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4352                             dlen);
4353                         if (rval) {
4354                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4355                                     "segment %d of firmware\n", vha->host_no,
4356                                     fragment));
4357                                 qla_printk(KERN_WARNING, ha,
4358                                     "[ERROR] Failed to load segment %d of "
4359                                     "firmware\n", fragment);
4360                                 break;
4361                         }
4362
4363                         fwcode += dlen;
4364                         risc_addr += dlen;
4365                         risc_size -= dlen;
4366                         fragment++;
4367                 }
4368
4369                 /* Next segment. */
4370                 segments--;
4371         }
4372         return rval;
4373
4374 fail_fw_integrity:
4375         return QLA_FUNCTION_FAILED;
4376 }
4377
4378 int
4379 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4380 {
4381         int rval;
4382
4383         if (ql2xfwloadbin == 1)
4384                 return qla81xx_load_risc(vha, srisc_addr);
4385
4386         /*
4387          * FW Load priority:
4388          * 1) Firmware via request-firmware interface (.bin file).
4389          * 2) Firmware residing in flash.
4390          */
4391         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4392         if (rval == QLA_SUCCESS)
4393                 return rval;
4394
4395         return qla24xx_load_risc_flash(vha, srisc_addr,
4396             vha->hw->flt_region_fw);
4397 }
4398
4399 int
4400 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4401 {
4402         int rval;
4403         struct qla_hw_data *ha = vha->hw;
4404
4405         if (ql2xfwloadbin == 2)
4406                 goto try_blob_fw;
4407
4408         /*
4409          * FW Load priority:
4410          * 1) Firmware residing in flash.
4411          * 2) Firmware via request-firmware interface (.bin file).
4412          * 3) Golden-Firmware residing in flash -- limited operation.
4413          */
4414         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4415         if (rval == QLA_SUCCESS)
4416                 return rval;
4417
4418 try_blob_fw:
4419         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4420         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4421                 return rval;
4422
4423         qla_printk(KERN_ERR, ha,
4424             "FW: Attempting to fallback to golden firmware...\n");
4425         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4426         if (rval != QLA_SUCCESS)
4427                 return rval;
4428
4429         qla_printk(KERN_ERR, ha,
4430             "FW: Please update operational firmware...\n");
4431         ha->flags.running_gold_fw = 1;
4432
4433         return rval;
4434 }
4435
4436 void
4437 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4438 {
4439         int ret, retries;
4440         struct qla_hw_data *ha = vha->hw;
4441
4442         if (!IS_FWI2_CAPABLE(ha))
4443                 return;
4444         if (!ha->fw_major_version)
4445                 return;
4446
4447         ret = qla2x00_stop_firmware(vha);
4448         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4449             ret != QLA_INVALID_COMMAND && retries ; retries--) {
4450                 ha->isp_ops->reset_chip(vha);
4451                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4452                         continue;
4453                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4454                         continue;
4455                 qla_printk(KERN_INFO, ha,
4456                     "Attempting retry of stop-firmware command...\n");
4457                 ret = qla2x00_stop_firmware(vha);
4458         }
4459 }
4460
4461 int
4462 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4463 {
4464         int rval = QLA_SUCCESS;
4465         uint16_t mb[MAILBOX_REGISTER_COUNT];
4466         struct qla_hw_data *ha = vha->hw;
4467         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4468         struct req_que *req;
4469         struct rsp_que *rsp;
4470
4471         if (!vha->vp_idx)
4472                 return -EINVAL;
4473
4474         rval = qla2x00_fw_ready(base_vha);
4475         if (ha->flags.cpu_affinity_enabled)
4476                 req = ha->req_q_map[0];
4477         else
4478                 req = vha->req;
4479         rsp = req->rsp;
4480
4481         if (rval == QLA_SUCCESS) {
4482                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4483                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4484         }
4485
4486         vha->flags.management_server_logged_in = 0;
4487
4488         /* Login to SNS first */
4489         ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
4490         if (mb[0] != MBS_COMMAND_COMPLETE) {
4491                 DEBUG15(qla_printk(KERN_INFO, ha,
4492                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4493                     "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4494                     mb[0], mb[1], mb[2], mb[6], mb[7]));
4495                 return (QLA_FUNCTION_FAILED);
4496         }
4497
4498         atomic_set(&vha->loop_down_timer, 0);
4499         atomic_set(&vha->loop_state, LOOP_UP);
4500         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4501         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4502         rval = qla2x00_loop_resync(base_vha);
4503
4504         return rval;
4505 }
4506
4507 /* 84XX Support **************************************************************/
4508
4509 static LIST_HEAD(qla_cs84xx_list);
4510 static DEFINE_MUTEX(qla_cs84xx_mutex);
4511
4512 static struct qla_chip_state_84xx *
4513 qla84xx_get_chip(struct scsi_qla_host *vha)
4514 {
4515         struct qla_chip_state_84xx *cs84xx;
4516         struct qla_hw_data *ha = vha->hw;
4517
4518         mutex_lock(&qla_cs84xx_mutex);
4519
4520         /* Find any shared 84xx chip. */
4521         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4522                 if (cs84xx->bus == ha->pdev->bus) {
4523                         kref_get(&cs84xx->kref);
4524                         goto done;
4525                 }
4526         }
4527
4528         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4529         if (!cs84xx)
4530                 goto done;
4531
4532         kref_init(&cs84xx->kref);
4533         spin_lock_init(&cs84xx->access_lock);
4534         mutex_init(&cs84xx->fw_update_mutex);
4535         cs84xx->bus = ha->pdev->bus;
4536
4537         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4538 done:
4539         mutex_unlock(&qla_cs84xx_mutex);
4540         return cs84xx;
4541 }
4542
4543 static void
4544 __qla84xx_chip_release(struct kref *kref)
4545 {
4546         struct qla_chip_state_84xx *cs84xx =
4547             container_of(kref, struct qla_chip_state_84xx, kref);
4548
4549         mutex_lock(&qla_cs84xx_mutex);
4550         list_del(&cs84xx->list);
4551         mutex_unlock(&qla_cs84xx_mutex);
4552         kfree(cs84xx);
4553 }
4554
4555 void
4556 qla84xx_put_chip(struct scsi_qla_host *vha)
4557 {
4558         struct qla_hw_data *ha = vha->hw;
4559         if (ha->cs84xx)
4560                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4561 }
4562
4563 static int
4564 qla84xx_init_chip(scsi_qla_host_t *vha)
4565 {
4566         int rval;
4567         uint16_t status[2];
4568         struct qla_hw_data *ha = vha->hw;
4569
4570         mutex_lock(&ha->cs84xx->fw_update_mutex);
4571
4572         rval = qla84xx_verify_chip(vha, status);
4573
4574         mutex_unlock(&ha->cs84xx->fw_update_mutex);
4575
4576         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4577             QLA_SUCCESS;
4578 }
4579
4580 /* 81XX Support **************************************************************/
4581
4582 int
4583 qla81xx_nvram_config(scsi_qla_host_t *vha)
4584 {
4585         int   rval;
4586         struct init_cb_81xx *icb;
4587         struct nvram_81xx *nv;
4588         uint32_t *dptr;
4589         uint8_t  *dptr1, *dptr2;
4590         uint32_t chksum;
4591         uint16_t cnt;
4592         struct qla_hw_data *ha = vha->hw;
4593
4594         rval = QLA_SUCCESS;
4595         icb = (struct init_cb_81xx *)ha->init_cb;
4596         nv = ha->nvram;
4597
4598         /* Determine NVRAM starting address. */
4599         ha->nvram_size = sizeof(struct nvram_81xx);
4600         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4601
4602         /* Get VPD data into cache */
4603         ha->vpd = ha->nvram + VPD_OFFSET;
4604         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
4605             ha->vpd_size);
4606
4607         /* Get NVRAM data into cache and calculate checksum. */
4608         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
4609             ha->nvram_size);
4610         dptr = (uint32_t *)nv;
4611         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4612                 chksum += le32_to_cpu(*dptr++);
4613
4614         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
4615         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4616
4617         /* Bad NVRAM data, set defaults parameters. */
4618         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4619             || nv->id[3] != ' ' ||
4620             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4621                 /* Reset NVRAM data. */
4622                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4623                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4624                     le16_to_cpu(nv->nvram_version));
4625                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4626                     "invalid -- WWPN) defaults.\n");
4627
4628                 /*
4629                  * Set default initialization control block.
4630                  */
4631                 memset(nv, 0, ha->nvram_size);
4632                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4633                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4634                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4635                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4636                 nv->exchange_count = __constant_cpu_to_le16(0);
4637                 nv->port_name[0] = 0x21;
4638                 nv->port_name[1] = 0x00 + ha->port_no;
4639                 nv->port_name[2] = 0x00;
4640                 nv->port_name[3] = 0xe0;
4641                 nv->port_name[4] = 0x8b;
4642                 nv->port_name[5] = 0x1c;
4643                 nv->port_name[6] = 0x55;
4644                 nv->port_name[7] = 0x86;
4645                 nv->node_name[0] = 0x20;
4646                 nv->node_name[1] = 0x00;
4647                 nv->node_name[2] = 0x00;
4648                 nv->node_name[3] = 0xe0;
4649                 nv->node_name[4] = 0x8b;
4650                 nv->node_name[5] = 0x1c;
4651                 nv->node_name[6] = 0x55;
4652                 nv->node_name[7] = 0x86;
4653                 nv->login_retry_count = __constant_cpu_to_le16(8);
4654                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4655                 nv->login_timeout = __constant_cpu_to_le16(0);
4656                 nv->firmware_options_1 =
4657                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4658                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4659                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4660                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4661                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4662                 nv->efi_parameters = __constant_cpu_to_le32(0);
4663                 nv->reset_delay = 5;
4664                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4665                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4666                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4667                 nv->enode_mac[0] = 0x00;
4668                 nv->enode_mac[1] = 0x02;
4669                 nv->enode_mac[2] = 0x03;
4670                 nv->enode_mac[3] = 0x04;
4671                 nv->enode_mac[4] = 0x05;
4672                 nv->enode_mac[5] = 0x06 + ha->port_no;
4673
4674                 rval = 1;
4675         }
4676
4677         /* Reset Initialization control block */
4678         memset(icb, 0, sizeof(struct init_cb_81xx));
4679
4680         /* Copy 1st segment. */
4681         dptr1 = (uint8_t *)icb;
4682         dptr2 = (uint8_t *)&nv->version;
4683         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4684         while (cnt--)
4685                 *dptr1++ = *dptr2++;
4686
4687         icb->login_retry_count = nv->login_retry_count;
4688
4689         /* Copy 2nd segment. */
4690         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4691         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4692         cnt = (uint8_t *)&icb->reserved_5 -
4693             (uint8_t *)&icb->interrupt_delay_timer;
4694         while (cnt--)
4695                 *dptr1++ = *dptr2++;
4696
4697         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4698         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4699         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4700                 icb->enode_mac[0] = 0x01;
4701                 icb->enode_mac[1] = 0x02;
4702                 icb->enode_mac[2] = 0x03;
4703                 icb->enode_mac[3] = 0x04;
4704                 icb->enode_mac[4] = 0x05;
4705                 icb->enode_mac[5] = 0x06 + ha->port_no;
4706         }
4707
4708         /* Use extended-initialization control block. */
4709         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
4710
4711         /*
4712          * Setup driver NVRAM options.
4713          */
4714         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4715             "QLE81XX");
4716
4717         /* Use alternate WWN? */
4718         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4719                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4720                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4721         }
4722
4723         /* Prepare nodename */
4724         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4725                 /*
4726                  * Firmware will apply the following mask if the nodename was
4727                  * not provided.
4728                  */
4729                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4730                 icb->node_name[0] &= 0xF0;
4731         }
4732
4733         /* Set host adapter parameters. */
4734         ha->flags.disable_risc_code_load = 0;
4735         ha->flags.enable_lip_reset = 0;
4736         ha->flags.enable_lip_full_login =
4737             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4738         ha->flags.enable_target_reset =
4739             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4740         ha->flags.enable_led_scheme = 0;
4741         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4742
4743         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4744             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4745
4746         /* save HBA serial number */
4747         ha->serial0 = icb->port_name[5];
4748         ha->serial1 = icb->port_name[6];
4749         ha->serial2 = icb->port_name[7];
4750         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4751         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4752
4753         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4754
4755         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4756
4757         /* Set minimum login_timeout to 4 seconds. */
4758         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4759                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4760         if (le16_to_cpu(nv->login_timeout) < 4)
4761                 nv->login_timeout = __constant_cpu_to_le16(4);
4762         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4763         icb->login_timeout = nv->login_timeout;
4764
4765         /* Set minimum RATOV to 100 tenths of a second. */
4766         ha->r_a_tov = 100;
4767
4768         ha->loop_reset_delay = nv->reset_delay;
4769
4770         /* Link Down Timeout = 0:
4771          *
4772          *      When Port Down timer expires we will start returning
4773          *      I/O's to OS with "DID_NO_CONNECT".
4774          *
4775          * Link Down Timeout != 0:
4776          *
4777          *       The driver waits for the link to come up after link down
4778          *       before returning I/Os to OS with "DID_NO_CONNECT".
4779          */
4780         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4781                 ha->loop_down_abort_time =
4782                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4783         } else {
4784                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4785                 ha->loop_down_abort_time =
4786                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4787         }
4788
4789         /* Need enough time to try and get the port back. */
4790         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4791         if (qlport_down_retry)
4792                 ha->port_down_retry_count = qlport_down_retry;
4793
4794         /* Set login_retry_count */
4795         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4796         if (ha->port_down_retry_count ==
4797             le16_to_cpu(nv->port_down_retry_count) &&
4798             ha->port_down_retry_count > 3)
4799                 ha->login_retry_count = ha->port_down_retry_count;
4800         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4801                 ha->login_retry_count = ha->port_down_retry_count;
4802         if (ql2xloginretrycount)
4803                 ha->login_retry_count = ql2xloginretrycount;
4804
4805         /* Enable ZIO. */
4806         if (!vha->flags.init_done) {
4807                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4808                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4809                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4810                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4811         }
4812         icb->firmware_options_2 &= __constant_cpu_to_le32(
4813             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4814         vha->flags.process_response_queue = 0;
4815         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4816                 ha->zio_mode = QLA_ZIO_MODE_6;
4817
4818                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4819                     "(%d us).\n", vha->host_no, ha->zio_mode,
4820                     ha->zio_timer * 100));
4821                 qla_printk(KERN_INFO, ha,
4822                     "ZIO mode %d enabled; timer delay (%d us).\n",
4823                     ha->zio_mode, ha->zio_timer * 100);
4824
4825                 icb->firmware_options_2 |= cpu_to_le32(
4826                     (uint32_t)ha->zio_mode);
4827                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4828                 vha->flags.process_response_queue = 1;
4829         }
4830
4831         if (rval) {
4832                 DEBUG2_3(printk(KERN_WARNING
4833                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4834         }
4835         return (rval);
4836 }
4837
4838 void
4839 qla81xx_update_fw_options(scsi_qla_host_t *ha)
4840 {
4841 }