reactos/hal/halx86/generic/legacy/bussupp.c

   1 /*
   2  * PROJECT:         ReactOS HAL
   3  * LICENSE:         BSD - See COPYING.ARM in the top level directory
   4  * FILE:            hal/halx86/generic/legacy/bussupp.c
   5  * PURPOSE:         HAL Legacy Bus Support Code
   6  * PROGRAMMERS:     ReactOS Portable Systems Group
   7  */
   8
   9 /* INCLUDES *******************************************************************/
  10
  11 #include <hal.h>
  12 #define NDEBUG
  13 #include <debug.h>
  14
  15 /* GLOBALS ********************************************************************/
  16
  17 extern KSPIN_LOCK HalpPCIConfigLock;
  18 ULONG HalpPciIrqMask;
  19
  20 /* PRIVATE FUNCTIONS **********************************************************/
  21
  22 PBUS_HANDLER
  23 NTAPI
  24 HalpAllocateBusHandler(IN INTERFACE_TYPE InterfaceType,
  25                        IN BUS_DATA_TYPE BusDataType,
  26                        IN ULONG BusNumber,
  27                        IN INTERFACE_TYPE ParentBusInterfaceType,
  28                        IN ULONG ParentBusNumber,
  29                        IN ULONG BusSpecificData)
  30 {
  31     PBUS_HANDLER Bus;
  32
  33     /* Register the bus handler */
  34     HalRegisterBusHandler(InterfaceType,
  35                           BusDataType,
  36                           BusNumber,
  37                           ParentBusInterfaceType,
  38                           ParentBusNumber,
  39                           BusSpecificData,
  40                           NULL,
  41                           &Bus);
  42     if (!Bus) return NULL;
  43
  44     /* Check for a valid interface */
  45     if (InterfaceType != InterfaceTypeUndefined)
  46     {
  47         /* Allocate address ranges and zero them out */
  48         Bus->BusAddresses = ExAllocatePoolWithTag(NonPagedPool,
  49                                                   sizeof(SUPPORTED_RANGES),
  50                                                   ' laH');
  51         RtlZeroMemory(Bus->BusAddresses, sizeof(SUPPORTED_RANGES));
  52
  53         /* Build the data structure */
  54         Bus->BusAddresses->Version = HAL_SUPPORTED_RANGE_VERSION;
  55         Bus->BusAddresses->Dma.Limit = 7;
  56         Bus->BusAddresses->Memory.Limit = 0xFFFFFFFF;
  57         Bus->BusAddresses->IO.Limit = 0xFFFF;
  58         Bus->BusAddresses->IO.SystemAddressSpace = 1;
  59         Bus->BusAddresses->PrefetchMemory.Base = 1;
  60     }
  61
  62     /* Return the bus address */
  63     return Bus;
  64 }
  65
  66 VOID
  67 NTAPI
  68 HalpRegisterInternalBusHandlers(VOID)
  69 {
  70     PBUS_HANDLER Bus;
  71
  72     /* Only do processor 1 */
  73     if (KeGetCurrentPrcb()->Number) return;
  74
  75     /* Register root support */
  76     HalpInitBusHandler();
  77
  78     /* Allocate the system bus */
  79     Bus = HalpAllocateBusHandler(Internal,
  80                                  ConfigurationSpaceUndefined,
  81                                  0,
  82                                  InterfaceTypeUndefined,
  83                                  0,
  84                                  0);
  85     if (Bus)
  86     {
  87         /* Set it up */
  88         Bus->GetInterruptVector = HalpGetSystemInterruptVector;
  89         Bus->TranslateBusAddress = HalpTranslateSystemBusAddress;
  90     }
  91
  92     /* Allocate the CMOS bus */
  93     Bus = HalpAllocateBusHandler(InterfaceTypeUndefined,
  94                                  Cmos,
  95                                  0,
  96                                  InterfaceTypeUndefined,
  97                                  0,
  98                                  0);
  99     if (Bus)
 100     {
 101         /* Set it up */
 102         Bus->GetBusData = HalpcGetCmosData;
 103         Bus->SetBusData = HalpcSetCmosData;
 104     }
 105
 106     /* Allocate the CMOS bus */
 107     Bus = HalpAllocateBusHandler(InterfaceTypeUndefined,
 108                                  Cmos,
 109                                  1,
 110                                  InterfaceTypeUndefined,
 111                                  0,
 112                                  0);
 113     if (Bus)
 114     {
 115         /* Set it up */
 116         Bus->GetBusData = HalpcGetCmosData;
 117         Bus->SetBusData = HalpcSetCmosData;
 118     }
 119
 120     /* Allocate ISA bus */
 121     Bus = HalpAllocateBusHandler(Isa,
 122                                  ConfigurationSpaceUndefined,
 123                                  0,
 124                                  Internal,
 125                                  0,
 126                                  0);
 127     if (Bus)
 128     {
 129         /* Set it up */
 130         Bus->GetBusData = HalpNoBusData;
 131         Bus->BusAddresses->Memory.Limit = 0xFFFFFF;
 132         Bus->TranslateBusAddress = HalpTranslateIsaBusAddress;
 133     }
 134
 135     /* No support for EISA or MCA */
 136     ASSERT(HalpBusType == MACHINE_TYPE_ISA);
 137 }
 138
 139 #ifndef _MINIHAL_
 140 NTSTATUS
 141 NTAPI
 142 HalpMarkChipsetDecode(BOOLEAN OverrideEnable)
 143 {
 144     NTSTATUS Status;
 145     UNICODE_STRING KeyString;
 146     ULONG Data = OverrideEnable;
 147     HANDLE KeyHandle, Handle;
 148
 149     /* Open CCS key */
 150     RtlInitUnicodeString(&KeyString,
 151                          L"\\REGISTRY\\MACHINE\\SYSTEM\\CURRENTCONTROLSET");
 152     Status = HalpOpenRegistryKey(&Handle, 0, &KeyString, KEY_ALL_ACCESS, FALSE);
 153     if (NT_SUCCESS(Status))
 154     {
 155         /* Open PNP Bios key */
 156         RtlInitUnicodeString(&KeyString, L"Control\\Biosinfo\\PNPBios");
 157         Status = HalpOpenRegistryKey(&KeyHandle,
 158                                      Handle,
 159                                      &KeyString,
 160                                      KEY_ALL_ACCESS,
 161                                      TRUE);
 162
 163         /* Close root key */
 164         ZwClose(Handle);
 165
 166         /* Check if PNP BIOS key exists */
 167         if (NT_SUCCESS(Status))
 168         {
 169             /* Set the override value */
 170             RtlInitUnicodeString(&KeyString, L"FullDecodeChipsetOverride");
 171             Status = ZwSetValueKey(KeyHandle,
 172                                    &KeyString,
 173                                    0,
 174                                    REG_DWORD,
 175                                    &Data,
 176                                    sizeof(Data));
 177
 178             /* Close subkey */
 179             ZwClose(KeyHandle);
 180         }
 181     }
 182
 183     /* Return status */
 184     return Status;
 185 }
 186
 187 PBUS_HANDLER
 188 NTAPI
 189 HalpAllocateAndInitPciBusHandler(IN ULONG PciType,
 190                                  IN ULONG BusNo,
 191                                  IN BOOLEAN TestAllocation)
 192 {
 193     PBUS_HANDLER Bus;
 194     PPCIPBUSDATA BusData;
 195
 196     /* Allocate the bus handler */
 197     Bus = HalpAllocateBusHandler(PCIBus,
 198                                  PCIConfiguration,
 199                                  BusNo,
 200                                  Internal,
 201                                  0,
 202                                  sizeof(PCIPBUSDATA));
 203
 204     /* Set it up */
 205     Bus->GetBusData = (PGETSETBUSDATA)HalpGetPCIData;
 206     Bus->SetBusData = (PGETSETBUSDATA)HalpSetPCIData;
 207     Bus->GetInterruptVector = (PGETINTERRUPTVECTOR)HalpGetPCIIntOnISABus;
 208     Bus->AdjustResourceList = (PADJUSTRESOURCELIST)HalpAdjustPCIResourceList;
 209     Bus->AssignSlotResources = (PASSIGNSLOTRESOURCES)HalpAssignPCISlotResources;
 210     Bus->BusAddresses->Dma.Limit = 0;
 211
 212     /* Get our custom bus data */
 213     BusData = (PPCIPBUSDATA)Bus->BusData;
 214
 215     /* Setup custom bus data */
 216     BusData->CommonData.Tag = PCI_DATA_TAG;
 217     BusData->CommonData.Version = PCI_DATA_VERSION;
 218     BusData->CommonData.ReadConfig = (PciReadWriteConfig)HalpReadPCIConfig;
 219     BusData->CommonData.WriteConfig = (PciReadWriteConfig)HalpWritePCIConfig;
 220     BusData->CommonData.Pin2Line = (PciPin2Line)HalpPCIPin2ISALine;
 221     BusData->CommonData.Line2Pin = (PciLine2Pin)HalpPCIISALine2Pin;
 222     BusData->MaxDevice = PCI_MAX_DEVICES;
 223     BusData->GetIrqRange = (PciIrqRange)HalpGetISAFixedPCIIrq;
 224
 225     /* Initialize the bitmap */
 226     RtlInitializeBitMap(&BusData->DeviceConfigured, BusData->ConfiguredBits, 256);
 227
 228     /* Check the type of PCI bus */
 229     switch (PciType)
 230     {
 231         /* Type 1 PCI Bus */
 232         case 1:
 233
 234             /* Copy the Type 1 handler data */
 235             RtlCopyMemory(&PCIConfigHandler,
 236                           &PCIConfigHandlerType1,
 237                           sizeof(PCIConfigHandler));
 238
 239             /* Set correct I/O Ports */
 240             BusData->Config.Type1.Address = PCI_TYPE1_ADDRESS_PORT;
 241             BusData->Config.Type1.Data = PCI_TYPE1_DATA_PORT;
 242             break;
 243
 244         /* Type 2 PCI Bus */
 245         case 2:
 246
 247             /* Copy the Type 1 handler data */
 248             RtlCopyMemory(&PCIConfigHandler,
 249                           &PCIConfigHandlerType2,
 250                           sizeof (PCIConfigHandler));
 251
 252             /* Set correct I/O Ports */
 253             BusData->Config.Type2.CSE = PCI_TYPE2_CSE_PORT;
 254             BusData->Config.Type2.Forward = PCI_TYPE2_FORWARD_PORT;
 255             BusData->Config.Type2.Base = PCI_TYPE2_ADDRESS_BASE;
 256
 257             /* Only 16 devices supported, not 32 */
 258             BusData->MaxDevice = 16;
 259             break;
 260
 261         default:
 262
 263             /* Invalid type */
 264             DbgPrint("HAL: Unnkown PCI type\n");
 265     }
 266
 267     /* Return the bus handler */
 268     return Bus;
 269 }
 270
 271 BOOLEAN
 272 NTAPI
 273 HalpIsValidPCIDevice(IN PBUS_HANDLER BusHandler,
 274                      IN PCI_SLOT_NUMBER Slot)
 275 {
 276     UCHAR DataBuffer[PCI_COMMON_HDR_LENGTH];
 277     PPCI_COMMON_CONFIG PciHeader = (PVOID)DataBuffer;
 278     ULONG i;
 279     ULONG_PTR Address;
 280
 281     /* Read the PCI header */
 282     HalpReadPCIConfig(BusHandler, Slot, PciHeader, 0, PCI_COMMON_HDR_LENGTH);
 283
 284     /* Make sure it's a valid device */
 285     if ((PciHeader->VendorID == PCI_INVALID_VENDORID) ||
 286         (PCI_CONFIGURATION_TYPE(PciHeader) != PCI_DEVICE_TYPE))
 287     {
 288         /* Bail out */
 289         return FALSE;
 290     }
 291
 292     /* Make sure interrupt numbers make sense */
 293     if (((PciHeader->u.type0.InterruptPin) &&
 294          (PciHeader->u.type0.InterruptPin > 4)) ||
 295         (PciHeader->u.type0.InterruptLine & 0x70))
 296     {
 297         /* Bail out */
 298         return FALSE;
 299     }
 300
 301     /* Now scan PCI BARs */
 302     for (i = 0; i < PCI_TYPE0_ADDRESSES; i++)
 303     {
 304         /* Check what kind of address it is */
 305         Address = PciHeader->u.type0.BaseAddresses[i];
 306         if (Address & PCI_ADDRESS_IO_SPACE)
 307         {
 308             /* Highest I/O port is 65535 */
 309             if (Address > 0xFFFF) return FALSE;
 310         }
 311         else
 312         {
 313             /* MMIO should be higher than 0x80000 */
 314             if ((Address > 0xF) && (Address < 0x80000)) return FALSE;
 315         }
 316
 317         /* Is this a 64-bit address? */
 318         if (!(Address & PCI_ADDRESS_IO_SPACE) &&
 319             ((Address & PCI_ADDRESS_MEMORY_TYPE_MASK) == PCI_TYPE_64BIT))
 320         {
 321             /* Check the next-next entry, since this one 64-bits wide */
 322             i++;
 323         }
 324     }
 325
 326     /* Header, interrupt and address data all make sense */
 327     return TRUE;
 328 }
 329
 330 static BOOLEAN WarningsGiven[5];
 331
 332 NTSTATUS
 333 NTAPI
 334 HalpGetChipHacks(IN USHORT VendorId,
 335                  IN USHORT DeviceId,
 336                  IN UCHAR RevisionId,
 337                  IN PULONG HackFlags)
 338 {
 339     UNICODE_STRING KeyName, ValueName;
 340     NTSTATUS Status;
 341     OBJECT_ATTRIBUTES ObjectAttributes;
 342     HANDLE KeyHandle;
 343     WCHAR Buffer[32];
 344     KEY_VALUE_PARTIAL_INFORMATION PartialInfo;
 345     ULONG ResultLength;
 346
 347     /* Setup the object attributes for the key */
 348     RtlInitUnicodeString(&KeyName,
 349                          L"\\REGISTRY\\MACHINE\\SYSTEM\\CURRENTCONTROLSET\\"
 350                          L"Control\\HAL");
 351     InitializeObjectAttributes(&ObjectAttributes,
 352                                &KeyName,
 353                                OBJ_CASE_INSENSITIVE,
 354                                NULL,
 355                                NULL);
 356
 357     /* Open the key */
 358     Status = ZwOpenKey(&KeyHandle, KEY_READ, &ObjectAttributes);
 359     if (!NT_SUCCESS(Status)) return Status;
 360
 361     /* Query value */
 362     swprintf(Buffer, L"%04X%04X", VendorId, DeviceId);
 363     RtlInitUnicodeString(&ValueName, Buffer);
 364     Status = ZwQueryValueKey(KeyHandle,
 365                              &ValueName,
 366                              KeyValuePartialInformation,
 367                              &PartialInfo,
 368                              sizeof(PartialInfo),
 369                              &ResultLength);
 370     if (NT_SUCCESS(Status))
 371     {
 372         /* Return the flags */
 373         DbgPrint("\tFound HackFlags for your chipset\n");
 374         *HackFlags = *(PULONG)PartialInfo.Data;
 375         DbgPrint("\t\tHack Flags: %lx (Hack Revision: %lx-Your Revision: %lx)\n",
 376                  *HackFlags, HALP_REVISION_FROM_HACK_FLAGS(*HackFlags), RevisionId);
 377
 378         /* Does it apply to this revision? */
 379         if ((RevisionId) && (RevisionId >= (HALP_REVISION_FROM_HACK_FLAGS(*HackFlags))))
 380         {
 381             /* Read the revision flags */
 382             *HackFlags = HALP_REVISION_HACK_FLAGS(*HackFlags);
 383         }
 384
 385         /* Throw out revision data */
 386         *HackFlags = HALP_HACK_FLAGS(*HackFlags);
 387         if (!*HackFlags) DbgPrint("\tNo HackFlags for your chipset's revision!\n");
 388     }
 389
 390     /* Close the handle and return */
 391     ZwClose(KeyHandle);
 392     return Status;
 393 }
 394
 395 BOOLEAN
 396 NTAPI
 397 HalpIsRecognizedCard(IN PPCI_REGISTRY_INFO_INTERNAL PciRegistryInfo,
 398                      IN PPCI_COMMON_CONFIG PciData,
 399                      IN ULONG Flags)
 400 {
 401     ULONG ElementCount, i;
 402     PPCI_CARD_DESCRIPTOR CardDescriptor;
 403
 404     /* How many PCI Cards that we know about? */
 405     ElementCount = PciRegistryInfo->ElementCount;
 406     if (!ElementCount) return FALSE;
 407
 408     /* Loop all descriptors */
 409     CardDescriptor = &PciRegistryInfo->CardList[0];
 410     for (i = 0; i < ElementCount; i++, CardDescriptor++)
 411     {
 412         /* Check for flag match */
 413         if (CardDescriptor->Flags != Flags) continue;
 414
 415         /* Check for VID-PID match */
 416         if ((CardDescriptor->VendorID != PciData->VendorID) ||
 417             (CardDescriptor->DeviceID != PciData->DeviceID))
 418         {
 419             /* Skip */
 420             continue;
 421         }
 422
 423         /* Check for revision match, if requested */
 424         if ((CardDescriptor->Flags & HALP_CHECK_CARD_REVISION_ID) &&
 425             (CardDescriptor->RevisionID != PciData->RevisionID))
 426         {
 427             /* Skip */
 428             continue;
 429         }
 430
 431         /* Check what kind of device this is */
 432         switch (PCI_CONFIGURATION_TYPE(PciData))
 433         {
 434             /* CardBUS Bridge */
 435             case PCI_CARDBUS_BRIDGE_TYPE:
 436
 437                 /* This means the real device header is in the device-specific data */
 438                 PciData = (PPCI_COMMON_CONFIG)PciData->DeviceSpecific;
 439
 440             /* Normal PCI device */
 441             case PCI_DEVICE_TYPE:
 442
 443                 /* Check for subvendor match, if requested */
 444                 if ((CardDescriptor->Flags & HALP_CHECK_CARD_SUBVENDOR_ID) &&
 445                     (CardDescriptor->SubsystemVendorID != PciData->u.type0.SubVendorID))
 446                 {
 447                     /* Skip */
 448                     continue;
 449                 }
 450
 451                 /* Check for subsystem match, if requested */
 452                 if ((CardDescriptor->Flags & HALP_CHECK_CARD_SUBSYSTEM_ID) &&
 453                     (CardDescriptor->SubsystemID != PciData->u.type0.SubSystemID))
 454                 {
 455                     /* Skip */
 456                     continue;
 457                 }
 458
 459                 /* You made it! */
 460                 return TRUE;
 461
 462             /* PCI Bridge -- don't bother */
 463             case PCI_BRIDGE_TYPE:
 464             default:
 465
 466                 /* Recognize it */
 467                 return TRUE;
 468         }
 469     }
 470
 471     /* This means the card isn't recognized */
 472     return FALSE;
 473 }
 474
 475 BOOLEAN
 476 NTAPI
 477 HalpIsIdeDevice(IN PPCI_COMMON_CONFIG PciData)
 478 {
 479     /* Simple test first */
 480     if ((PciData->BaseClass == PCI_CLASS_MASS_STORAGE_CTLR) &&
 481         (PciData->SubClass == PCI_SUBCLASS_MSC_IDE_CTLR))
 482     {
 483         /* The device is nice enough to admit it */
 484         return TRUE;
 485     }
 486
 487     /* Symphony 82C101 */
 488     if (PciData->VendorID == 0x1C1C) return TRUE;
 489
 490     /* ALi MS4803 or M5219 */
 491     if ((PciData->VendorID == 0x10B9) &&
 492         ((PciData->DeviceID == 0x5215) || (PciData->DeviceID == 0x5219)))
 493     {
 494         return TRUE;
 495     }
 496
 497     /* Appian Technology */
 498     if ((PciData->VendorID == 0x1097) && (PciData->DeviceID == 0x38)) return TRUE;
 499
 500     /* Compaq Triflex Dual EIDE Controller */
 501     if ((PciData->VendorID == 0xE11) && (PciData->DeviceID == 0xAE33)) return TRUE;
 502
 503     /* Micron PC Tech RZ1000 */
 504     if ((PciData->VendorID == 0x1042) && (PciData->DeviceID == 0x1000)) return TRUE;
 505
 506     /* SiS 85C601 or 5513 [IDE] */
 507     if ((PciData->VendorID == 0x1039) &&
 508         ((PciData->DeviceID == 0x601) || (PciData->DeviceID == 0x5513)))
 509     {
 510         return TRUE;
 511     }
 512
 513     /* Symphony Labs W83769F */
 514     if ((PciData->VendorID == 0x10AD) &&
 515         ((PciData->DeviceID == 0x1) || (PciData->DeviceID == 0x150)))
 516     {
 517         return TRUE;
 518     }
 519
 520     /* UMC UM8673F */
 521     if ((PciData->VendorID == 0x1060) && (PciData->DeviceID == 0x101)) return TRUE;
 522
 523     /* You've survived */
 524     return FALSE;
 525 }
 526
 527 BOOLEAN
 528 NTAPI
 529 HalpIsBridgeDevice(IN PPCI_COMMON_CONFIG PciData)
 530 {
 531     /* Either this is a PCI-to-PCI Bridge, or a CardBUS Bridge */
 532     return (((PCI_CONFIGURATION_TYPE(PciData) == PCI_BRIDGE_TYPE) &&
 533              (PciData->BaseClass == PCI_CLASS_BRIDGE_DEV) &&
 534              (PciData->SubClass == PCI_SUBCLASS_BR_PCI_TO_PCI)) ||
 535             ((PCI_CONFIGURATION_TYPE(PciData) == PCI_CARDBUS_BRIDGE_TYPE) &&
 536              (PciData->BaseClass == PCI_CLASS_BRIDGE_DEV) &&
 537              (PciData->SubClass == PCI_SUBCLASS_BR_CARDBUS)));
 538 }
 539
 540 BOOLEAN
 541 NTAPI
 542 HalpGetPciBridgeConfig(IN ULONG PciType,
 543                        IN PUCHAR BusCount)
 544 {
 545     PCI_SLOT_NUMBER PciSlot;
 546     ULONG i, j, k;
 547     UCHAR DataBuffer[PCI_COMMON_HDR_LENGTH];
 548     PPCI_COMMON_CONFIG PciData = (PPCI_COMMON_CONFIG)DataBuffer;
 549     PBUS_HANDLER BusHandler;
 550
 551     /* Loop PCI buses */
 552     PciSlot.u.bits.Reserved = 0;
 553     for (i = 0; i < *BusCount; i++)
 554     {
 555         /* Get the bus handler */
 556         BusHandler = HalHandlerForBus(PCIBus, i);
 557
 558         /* Loop every device */
 559         for (j = 0; j < PCI_MAX_DEVICES; j++)
 560         {
 561             /* Loop every function */
 562             PciSlot.u.bits.DeviceNumber = j;
 563             for (k = 0; k < PCI_MAX_FUNCTION; k++)
 564             {
 565                 /* Build the final slot structure */
 566                 PciSlot.u.bits.FunctionNumber = k;
 567
 568                 /* Read the configuration information */
 569                 HalpReadPCIConfig(BusHandler,
 570                                   PciSlot,
 571                                   PciData,
 572                                   0,
 573                                   PCI_COMMON_HDR_LENGTH);
 574
 575                 /* Skip if this is an invalid function */
 576                 if (PciData->VendorID == PCI_INVALID_VENDORID) continue;
 577
 578                 /* Make sure that this is a PCI bridge or a cardbus bridge */
 579                 if (!HalpIsBridgeDevice(PciData)) continue;
 580
 581                 /* Not supported */
 582                 if (!WarningsGiven[2]++) DPRINT1("Your machine has a PCI-to-PCI or CardBUS Bridge. PCI devices may fail!\n");
 583                 continue;
 584             }
 585         }
 586     }
 587
 588     /* If we exited the loop, then there's no bridge to worry about */
 589     return FALSE;
 590 }
 591
 592 VOID
 593 NTAPI
 594 HalpFixupPciSupportedRanges(IN ULONG BusCount)
 595 {
 596     ULONG i;
 597     PBUS_HANDLER Bus, ParentBus;
 598
 599     /* Loop all buses */
 600     for (i = 0; i < BusCount; i++)
 601     {
 602         /* Get PCI bus handler */
 603         Bus = HalHandlerForBus(PCIBus, i);
 604
 605         /* Loop all parent buses */
 606         ParentBus = Bus->ParentHandler;
 607         while (ParentBus)
 608         {
 609             /* Should merge addresses */
 610             if (!WarningsGiven[0]++) DPRINT1("Found parent bus (indicating PCI Bridge). PCI devices may fail!\n");
 611
 612             /* Check the next parent */
 613             ParentBus = ParentBus->ParentHandler;
 614         }
 615     }
 616
 617     /* Loop all buses again */
 618     for (i = 0; i < BusCount; i++)
 619     {
 620         /* Get PCI bus handler */
 621         Bus = HalHandlerForBus(PCIBus, i);
 622
 623         /* Check if this is a PCI 2.2 Bus with Subtractive Decode */
 624         if (!((PPCIPBUSDATA)Bus->BusData)->Subtractive)
 625         {
 626             /* Loop all parent buses */
 627             ParentBus = Bus->ParentHandler;
 628             while (ParentBus)
 629             {
 630                 /* But check only PCI parent buses specifically */
 631                 if (ParentBus->InterfaceType == PCIBus)
 632                 {
 633                     /* Should trim addresses */
 634                     if (!WarningsGiven[1]++) DPRINT1("Found parent PCI Bus (indicating PCI-to-PCI Bridge). PCI devices may fail!\n");
 635                 }
 636
 637                 /* Check the next parent */
 638                 ParentBus = ParentBus->ParentHandler;
 639             }
 640         }
 641     }
 642
 643     /* Loop buses one last time */
 644     for (i = 0; i < BusCount; i++)
 645     {
 646         /* Get the PCI bus handler */
 647         Bus = HalHandlerForBus(PCIBus, i);
 648
 649         /* Sort and combine (trim) bus address range information */
 650         DPRINT("Warning: Bus addresses not being optimized!\n");
 651     }
 652 }
 653
 654 VOID
 655 NTAPI
 656 ShowSize(ULONG x)
 657 {
 658     if (!x) return;
 659     DbgPrint(" [size=");
 660     if (x < 1024)
 661     {
 662         DbgPrint("%d", (int) x);
 663     }
 664     else if (x < 1048576)
 665     {
 666         DbgPrint("%dK", (int)(x / 1024));
 667     }
 668     else if (x < 0x80000000)
 669     {
 670         DbgPrint("%dM", (int)(x / 1048576));
 671     }
 672     else
 673     {
 674         DbgPrint("%d", x);
 675     }
 676     DbgPrint("]\n");
 677 }
 678
 679 VOID
 680 NTAPI
 681 HalpDebugPciBus(IN ULONG i,
 682                 IN ULONG j,
 683                 IN ULONG k,
 684                 IN PPCI_COMMON_CONFIG PciData)
 685 {
 686     extern CHAR ClassTable[3922];
 687     extern CHAR VendorTable[642355];
 688     PCHAR p, ClassName, SubClassName, VendorName, ProductName, SubVendorName;
 689     ULONG Length;
 690     CHAR LookupString[16] = "";
 691     CHAR bSubClassName[32] = "";
 692     CHAR bVendorName[32] = "";
 693     CHAR bProductName[32] = "Unknown device";
 694     CHAR bSubVendorName[32] = "Unknown";
 695     ULONG Size, Mem, b;
 696
 697     /* Isolate the class name */
 698     sprintf(LookupString, "C %02x", PciData->BaseClass);
 699     ClassName = strstr(ClassTable, LookupString);
 700     if (ClassName)
 701     {
 702         /* Isolate the subclass name */
 703         ClassName += 6;
 704         sprintf(LookupString, "\t%02x", PciData->SubClass);
 705         SubClassName = strstr(ClassName, LookupString);
 706         if (SubClassName)
 707         {
 708             /* Copy the subclass into our buffer */
 709             SubClassName += 5;
 710             p = strchr(SubClassName, '\r');
 711             Length = p - SubClassName;
 712             if (Length > sizeof(bSubClassName)) Length = sizeof(bSubClassName);
 713             strncpy(bSubClassName, SubClassName, Length);
 714             bSubClassName[Length] = '\0';
 715         }
 716     }
 717
 718     /* Isolate the vendor name */
 719     sprintf(LookupString, "\n%04x  ", PciData->VendorID);
 720     VendorName = strstr(VendorTable, LookupString);
 721     if (VendorName)
 722     {
 723         /* Copy the vendor name into our buffer */
 724         VendorName += 7;
 725         p = strchr(VendorName, '\r');
 726         Length = p - VendorName;
 727         if (Length > sizeof(bVendorName)) Length = sizeof(bVendorName);
 728         strncpy(bVendorName, VendorName, Length);
 729         bVendorName[Length ] = '\0';
 730
 731         /* Isolate the product name */
 732         sprintf(LookupString, "\t%04x", PciData->DeviceID);
 733         ProductName = strstr(VendorName, LookupString);
 734         if (ProductName)
 735         {
 736             /* Copy the product name into our buffer */
 737             ProductName += 7;
 738             p = strchr(ProductName, '\r');
 739             Length = p - ProductName;
 740             if (Length > sizeof(bProductName)) Length = sizeof(bProductName);
 741             strncpy(bProductName, ProductName, Length);
 742             bProductName[Length] = '\0';
 743
 744             /* Isolate the subvendor and subsystem name */
 745             sprintf(LookupString,
 746                     "\t\t%04x %04x  ",
 747                     PciData->u.type0.SubVendorID,
 748                     PciData->u.type0.SubSystemID);
 749             SubVendorName = strstr(ProductName, LookupString);
 750             if (SubVendorName)
 751             {
 752                 /* Copy the subvendor name into our buffer */
 753                 SubVendorName += 13;
 754                 p = strchr(SubVendorName, '\r');
 755                 Length = p - SubVendorName;
 756                 if (Length > sizeof(bSubVendorName)) Length = sizeof(bSubVendorName);
 757                 strncpy(bSubVendorName, SubVendorName, Length);
 758                 bSubVendorName[Length] = '\0';
 759             }
 760         }
 761     }
 762
 763     /* Print out the data */
 764     DbgPrint("%02x:%02x.%x %s [%02x%02x]: %s %s [%04x:%04x] (rev %02x)\n"
 765              "\tSubsystem: %s [%04x:%04x]\n",
 766              i,
 767              j,
 768              k,
 769              bSubClassName,
 770              PciData->BaseClass,
 771              PciData->SubClass,
 772              bVendorName,
 773              bProductName,
 774              PciData->VendorID,
 775              PciData->DeviceID,
 776              PciData->RevisionID,
 777              bSubVendorName,
 778              PciData->u.type0.SubVendorID,
 779              PciData->u.type0.SubSystemID);
 780
 781     /* Print out and decode flags */
 782     DbgPrint("\tFlags:");
 783     if (PciData->Command & PCI_ENABLE_BUS_MASTER) DbgPrint(" bus master,");
 784     if (PciData->Status & PCI_STATUS_66MHZ_CAPABLE) DbgPrint(" 66MHz,");
 785     if ((PciData->Status & PCI_STATUS_DEVSEL) == 0x200) DbgPrint(" medium devsel,");
 786     if ((PciData->Status & PCI_STATUS_DEVSEL) == 0x400) DbgPrint(" fast devsel,");
 787     DbgPrint(" latency %d", PciData->LatencyTimer);
 788     if (PciData->u.type0.InterruptLine) DbgPrint(", IRQ %02d", PciData->u.type0.InterruptLine);
 789     DbgPrint("\n");
 790
 791     /* Scan addresses */
 792     Size = 0;
 793     for (b = 0; b < PCI_TYPE0_ADDRESSES; b++)
 794     {
 795         /* Check for a BAR */
 796         Mem = PciData->u.type0.BaseAddresses[b];
 797         if (Mem)
 798         {
 799             /* Decode the address type */
 800             if (Mem & PCI_ADDRESS_IO_SPACE)
 801             {
 802                 /* Decode the size */
 803                 Size = 1 << 2;
 804                 while (!(Mem & Size) && (Size)) Size <<= 1;
 805
 806                 /* Print it out */
 807                 DbgPrint("\tI/O ports at %04lx", Mem & PCI_ADDRESS_IO_ADDRESS_MASK);
 808                 ShowSize(Size);
 809             }
 810             else
 811             {
 812                 /* Decode the size */
 813                 Size = 1 << 8;
 814                 while (!(Mem & Size) && (Size)) Size <<= 1;
 815
 816                 /* Print it out */
 817                 DbgPrint("\tMemory at %08lx (%d-bit, %sprefetchable)",
 818                          Mem & PCI_ADDRESS_MEMORY_ADDRESS_MASK,
 819                          (Mem & PCI_ADDRESS_MEMORY_TYPE_MASK) == PCI_TYPE_32BIT ? 32 : 64,
 820                          (Mem & PCI_ADDRESS_MEMORY_PREFETCHABLE) ? "" : "non-");
 821                 ShowSize(Size);
 822             }
 823         }
 824     }
 825 }
 826 #endif
 827
 828 VOID
 829 NTAPI
 830 HalpInitializePciBus(VOID)
 831 {
 832 #ifndef _MINIHAL_
 833     PPCI_REGISTRY_INFO_INTERNAL PciRegistryInfo;
 834     UCHAR PciType;
 835     PCI_SLOT_NUMBER PciSlot;
 836     ULONG i, j, k;
 837     UCHAR DataBuffer[PCI_COMMON_HDR_LENGTH];
 838     PPCI_COMMON_CONFIG PciData = (PPCI_COMMON_CONFIG)DataBuffer;
 839     PBUS_HANDLER BusHandler;
 840     ULONG HackFlags;
 841     BOOLEAN ExtendedAddressDecoding = FALSE;
 842     NTSTATUS Status;
 843
 844     /* Query registry information */
 845     PciRegistryInfo = HalpQueryPciRegistryInfo();
 846     if (!PciRegistryInfo) return;
 847
 848     /* Initialize the PCI configuration lock */
 849     KeInitializeSpinLock(&HalpPCIConfigLock);
 850
 851     /* Get the type and free the info structure */
 852     PciType = PciRegistryInfo->HardwareMechanism & 0xF;
 853
 854     /* Check if this is a type 2 PCI bus with at least one bus */
 855     if ((PciRegistryInfo->NoBuses) && (PciType == 2))
 856     {
 857         /* Setup the PCI slot */
 858         PciSlot.u.bits.Reserved = 0;
 859         PciSlot.u.bits.FunctionNumber = 0;
 860
 861         /* Loop all slots */
 862         for (i = 0; i < 32; i++)
 863         {
 864             /* Try to setup a Type 2 PCI slot */
 865             PciType = 2;
 866             BusHandler = HalpAllocateAndInitPciBusHandler(2, 0, TRUE);
 867             if (!BusHandler) break;
 868
 869             /* Now check if it's valid */
 870             if (HalpIsValidPCIDevice(BusHandler, PciSlot)) break;
 871
 872             /* Heh, the BIOS lied... try Type 1 */
 873             PciType = 1;
 874             BusHandler = HalpAllocateAndInitPciBusHandler(1, 0, TRUE);
 875             if (!BusHandler) break;
 876
 877             /* Now check if it's valid */
 878             if (HalpIsValidPCIDevice(BusHandler, PciSlot)) break;
 879
 880             /* Keep trying */
 881             PciType = 2;
 882         }
 883
 884         /* Now allocate the correct kind of handler */
 885         HalpAllocateAndInitPciBusHandler(PciType, 0, FALSE);
 886     }
 887
 888     /* Okay, now loop all PCI bridges */
 889     do
 890     {
 891         /* Loop all PCI buses */
 892         for (i = 0; i < PciRegistryInfo->NoBuses; i++)
 893         {
 894             /* Check if we have a handler for it */
 895             if (!HalHandlerForBus(PCIBus, i))
 896             {
 897                 /* Allocate it */
 898                 HalpAllocateAndInitPciBusHandler(PciType, i, FALSE);
 899             }
 900         }
 901         /* Go to the next bridge */
 902     } while (HalpGetPciBridgeConfig(PciType, &PciRegistryInfo->NoBuses));
 903
 904     /* Now build correct address range informaiton */
 905     HalpFixupPciSupportedRanges(PciRegistryInfo->NoBuses);
 906
 907     /* Loop every bus */
 908     DbgPrint("\n====== PCI BUS HARDWARE DETECTION =======\n\n");
 909     PciSlot.u.bits.Reserved = 0;
 910     for (i = 0; i < PciRegistryInfo->NoBuses; i++)
 911     {
 912         /* Get the bus handler */
 913         BusHandler = HalHandlerForBus(PCIBus, i);
 914
 915         /* Loop every device */
 916         for (j = 0; j < 32; j++)
 917         {
 918             /* Loop every function */
 919             PciSlot.u.bits.DeviceNumber = j;
 920             for (k = 0; k < 8; k++)
 921             {
 922                 /* Build the final slot structure */
 923                 PciSlot.u.bits.FunctionNumber = k;
 924
 925                 /* Read the configuration information */
 926                 HalpReadPCIConfig(BusHandler,
 927                                   PciSlot,
 928                                   PciData,
 929                                   0,
 930                                   PCI_COMMON_HDR_LENGTH);
 931
 932                 /* Skip if this is an invalid function */
 933                 if (PciData->VendorID == PCI_INVALID_VENDORID) continue;
 934
 935                 /* Print out the entry */
 936                 HalpDebugPciBus(i, j, k, PciData);
 937
 938                 /* Check if this is a Cardbus bridge */
 939                 if (PCI_CONFIGURATION_TYPE(PciData) == PCI_CARDBUS_BRIDGE_TYPE)
 940                 {
 941                     /* Not supported */
 942                     DbgPrint("\tDevice is a PCI Cardbus Bridge. It will not work!\n");
 943                     continue;
 944                 }
 945
 946                 /* Check if this is a PCI device */
 947                 if (PCI_CONFIGURATION_TYPE(PciData) != PCI_BRIDGE_TYPE)
 948                 {
 949                     /* Check if it has an interrupt pin and line registered */
 950                     if ((PciData->u.type1.InterruptPin) &&
 951                         (PciData->u.type1.InterruptLine))
 952                     {
 953                         /* Check if this interrupt line is connected to the bus */
 954                         if (PciData->u.type1.InterruptLine < 16)
 955                         {
 956                             /* Is this an IDE device? */
 957                             if (!HalpIsIdeDevice(PciData))
 958                             {
 959                                 /* We'll mask out this interrupt then */
 960                                 DbgPrint("\tDevice is using IRQ %d! ISA Cards using that IRQ may fail!\n",
 961                                          PciData->u.type1.InterruptLine);
 962                                 HalpPciIrqMask |= (1 << PciData->u.type1.InterruptLine);
 963                             }
 964                         }
 965                     }
 966                 }
 967
 968                 /* Check for broken Intel chips */
 969                 if (PciData->VendorID == 0x8086)
 970                 {
 971                     /* Check for broken 82830 PCI controller */
 972                     if ((PciData->DeviceID == 0x04A3) &&
 973                         (PciData->RevisionID < 0x11))
 974                     {
 975                         /* Skip */
 976                         DbgPrint("\tDevice is a broken Intel 82430 PCI Controller. It will not work!\n\n");
 977                         continue;
 978                     }
 979
 980                     /* Check for broken 82378 PCI-to-ISA Bridge */
 981                     if ((PciData->DeviceID == 0x0484) &&
 982                         (PciData->RevisionID <= 3))
 983                     {
 984                         /* Skip */
 985                         DbgPrint("\tDevice is a broken Intel 82378 PCI-to-ISA Bridge. It will not work!\n\n");
 986                         continue;
 987                     }
 988
 989                     /* Check for broken 82450 PCI Bridge */
 990                     if ((PciData->DeviceID == 0x84C4) &&
 991                         (PciData->RevisionID <= 4))
 992                     {
 993                         DbgPrint("\tDevice is a Intel Orion 82450 PCI Bridge. It will not work!\n\n");
 994                         continue;
 995                     }
 996                 }
 997
 998                 /* Do we know this card? */
 999                 if (!ExtendedAddressDecoding)
1000                 {
1001                     /* Check for it */
1002                     if (HalpIsRecognizedCard(PciRegistryInfo,
1003                                              PciData,
1004                                              HALP_CARD_FEATURE_FULL_DECODE))
1005                     {
1006                         /* We'll do chipset checks later */
1007                         DbgPrint("\tDevice has Extended Address Decoding. It may fail to work on older BIOSes!\n");
1008                         ExtendedAddressDecoding = TRUE;
1009                     }
1010                 }
1011
1012                 /* Check if this is a USB controller */
1013                 if ((PciData->BaseClass == PCI_CLASS_SERIAL_BUS_CTLR) &&
1014                     (PciData->SubClass == PCI_SUBCLASS_SB_USB))
1015                 {
1016                     /* Check if this is an OHCI controller */
1017                     if (PciData->ProgIf == 0x10)
1018                     {
1019                         DbgPrint("\tDevice is an OHCI (USB) PCI Expansion Card. Turn off Legacy USB in your BIOS!\n\n");
1020                         continue;
1021                     }
1022
1023                     /* Check for Intel UHCI controller */
1024                     if (PciData->VendorID == 0x8086)
1025                     {
1026                         DbgPrint("\tDevice is an Intel UHCI (USB) Controller. Turn off Legacy USB in your BIOS!\n\n");
1027                         continue;
1028                     }
1029
1030                     /* Check for VIA UHCI controller */
1031                     if (PciData->VendorID == 0x1106)
1032                     {
1033                         DbgPrint("\tDevice is a VIA UHCI (USB) Controller. Turn off Legacy USB in your BIOS!\n\n");
1034                         continue;
1035                     }
1036                 }
1037
1038                 /* Now check the registry for chipset hacks */
1039                 Status = HalpGetChipHacks(PciData->VendorID,
1040                                           PciData->DeviceID,
1041                                           PciData->RevisionID,
1042                                           &HackFlags);
1043                 if (NT_SUCCESS(Status))
1044                 {
1045                     /* Check for broken ACPI routing */
1046                     if (HackFlags & HAL_PCI_CHIP_HACK_DISABLE_ACPI_IRQ_ROUTING)
1047                     {
1048                         DbgPrint("This chipset has broken ACPI IRQ Routing! Be aware!\n\n");
1049                         continue;
1050                     }
1051
1052                     /* Check for broken ACPI timer */
1053                     if (HackFlags & HAL_PCI_CHIP_HACK_BROKEN_ACPI_TIMER)
1054                     {
1055                          DbgPrint("This chipset has a broken ACPI timer! Be aware!\n\n");
1056                          continue;
1057                     }
1058
1059                     /* Check for hibernate-disable */
1060                     if (HackFlags & HAL_PCI_CHIP_HACK_DISABLE_HIBERNATE)
1061                     {
1062                         DbgPrint("This chipset has a broken PCI device which is incompatible with hibernation. Be aware!\n\n");
1063                         continue;
1064                     }
1065
1066                     /* Check for USB controllers that generate SMIs */
1067                     if (HackFlags & HAL_PCI_CHIP_HACK_USB_SMI_DISABLE)
1068                     {
1069                         DbgPrint("This chipset has a USB controller which generates SMIs. ReactOS will likely fail to boot!\n\n");
1070                         continue;
1071                     }
1072                 }
1073
1074                 /* Terminate the entry */
1075                 DbgPrint("\n");
1076             }
1077         }
1078     }
1079
1080     /* Initialize NMI Crash Flag */
1081     HalpGetNMICrashFlag();
1082
1083     /* Free the registry data */
1084     ExFreePool(PciRegistryInfo);
1085
1086     /* Tell PnP if this hard supports correct decoding */
1087     HalpMarkChipsetDecode(ExtendedAddressDecoding);
1088     DbgPrint("====== PCI BUS DETECTION COMPLETE =======\n\n");
1089 #endif
1090 }
1091
1092 VOID
1093 NTAPI
1094 HalpInitBusHandlers(VOID)
1095 {
1096     /* Register the HAL Bus Handler support */
1097     HalpRegisterInternalBusHandlers();
1098 }
1099
1100 VOID
1101 NTAPI
1102 HalpRegisterKdSupportFunctions(VOID)
1103 {
1104     /* Register PCI Device Functions */
1105     KdSetupPciDeviceForDebugging = HalpSetupPciDeviceForDebugging;
1106     KdReleasePciDeviceforDebugging = HalpReleasePciDeviceForDebugging;
1107
1108     /* Register memory functions */
1109 #ifndef _MINIHAL_
1110     KdMapPhysicalMemory64 = HalpMapPhysicalMemory64;
1111     KdUnmapVirtualAddress = HalpUnmapVirtualAddress;
1112 #endif
1113
1114     /* Register ACPI stub */
1115     KdCheckPowerButton = HalpCheckPowerButton;
1116 }
1117
1118 NTSTATUS
1119 NTAPI
1120 HalpAssignSlotResources(IN PUNICODE_STRING RegistryPath,
1121                         IN PUNICODE_STRING DriverClassName,
1122                         IN PDRIVER_OBJECT DriverObject,
1123                         IN PDEVICE_OBJECT DeviceObject,
1124                         IN INTERFACE_TYPE BusType,
1125                         IN ULONG BusNumber,
1126                         IN ULONG SlotNumber,
1127                         IN OUT PCM_RESOURCE_LIST *AllocatedResources)
1128 {
1129     BUS_HANDLER BusHandler;
1130     PAGED_CODE();
1131
1132     /* Only PCI is supported */
1133     if (BusType != PCIBus) return STATUS_NOT_IMPLEMENTED;
1134
1135     /* Setup fake PCI Bus handler */
1136     RtlCopyMemory(&BusHandler, &HalpFakePciBusHandler, sizeof(BUS_HANDLER));
1137     BusHandler.BusNumber = BusNumber;
1138
1139     /* Call the PCI function */
1140     return HalpAssignPCISlotResources(&BusHandler,
1141                                       &BusHandler,
1142                                       RegistryPath,
1143                                       DriverClassName,
1144                                       DriverObject,
1145                                       DeviceObject,
1146                                       SlotNumber,
1147                                       AllocatedResources);
1148 }
1149
1150 BOOLEAN
1151 NTAPI
1152 HalpTranslateBusAddress(IN INTERFACE_TYPE InterfaceType,
1153                         IN ULONG BusNumber,
1154                         IN PHYSICAL_ADDRESS BusAddress,
1155                         IN OUT PULONG AddressSpace,
1156                         OUT PPHYSICAL_ADDRESS TranslatedAddress)
1157 {
1158     /* Translation is easy */
1159     TranslatedAddress->QuadPart = BusAddress.QuadPart;
1160     return TRUE;
1161 }
1162
1163 ULONG
1164 NTAPI
1165 HalpGetSystemInterruptVector_Acpi(IN ULONG BusNumber,
1166                                   IN ULONG BusInterruptLevel,
1167                                   IN ULONG BusInterruptVector,
1168                                   OUT PKIRQL Irql,
1169                                   OUT PKAFFINITY Affinity)
1170 {
1171     ULONG Vector = IRQ2VECTOR(BusInterruptLevel);
1172     *Irql = (KIRQL)VECTOR2IRQL(Vector);
1173     *Affinity = 0xFFFFFFFF;
1174     return Vector;
1175 }
1176
1177 BOOLEAN
1178 NTAPI
1179 HalpFindBusAddressTranslation(IN PHYSICAL_ADDRESS BusAddress,
1180                               IN OUT PULONG AddressSpace,
1181                               OUT PPHYSICAL_ADDRESS TranslatedAddress,
1182                               IN OUT PULONG_PTR Context,
1183                               IN BOOLEAN NextBus)
1184 {
1185     /* Make sure we have a context */
1186     if (!Context) return FALSE;
1187
1188     /* If we have data in the context, then this shouldn't be a new lookup */
1189     if ((*Context) && (NextBus == TRUE)) return FALSE;
1190
1191     /* Return bus data */
1192     TranslatedAddress->QuadPart = BusAddress.QuadPart;
1193
1194     /* Set context value and return success */
1195     *Context = 1;
1196     return TRUE;
1197 }
1198
1199 BOOLEAN
1200 NTAPI
1201 HaliTranslateBusAddress(IN INTERFACE_TYPE InterfaceType,
1202                         IN ULONG BusNumber,
1203                         IN PHYSICAL_ADDRESS BusAddress,
1204                         IN OUT PULONG AddressSpace,
1205                         OUT PPHYSICAL_ADDRESS TranslatedAddress)
1206 {
1207     PBUS_HANDLER Handler;
1208     BOOLEAN Status;
1209
1210     /* Find the handler */
1211     Handler = HalReferenceHandlerForBus(InterfaceType, BusNumber);
1212     if (!(Handler) || !(Handler->TranslateBusAddress))
1213     {
1214         DPRINT1("No translator!\n");
1215         return FALSE;
1216     }
1217
1218     /* Do the assignment */
1219     Status = Handler->TranslateBusAddress(Handler,
1220                                           Handler,
1221                                           BusAddress,
1222                                           AddressSpace,
1223                                           TranslatedAddress);
1224
1225     /* Dereference the handler and return */
1226     HalDereferenceBusHandler(Handler);
1227     return Status;
1228 }
1229
1230 /* PUBLIC FUNCTIONS **********************************************************/
1231
1232 /*
1233  * @implemented
1234  */
1235 NTSTATUS
1236 NTAPI
1237 HalAdjustResourceList(IN PCM_RESOURCE_LIST Resources)
1238 {
1239     /* Deprecated, return success */
1240     return STATUS_SUCCESS;
1241 }
1242
1243 /*
1244  * @implemented
1245  */
1246 NTSTATUS
1247 NTAPI
1248 HalAssignSlotResources(IN PUNICODE_STRING RegistryPath,
1249                        IN PUNICODE_STRING DriverClassName,
1250                        IN PDRIVER_OBJECT DriverObject,
1251                        IN PDEVICE_OBJECT DeviceObject,
1252                        IN INTERFACE_TYPE BusType,
1253                        IN ULONG BusNumber,
1254                        IN ULONG SlotNumber,
1255                        IN OUT PCM_RESOURCE_LIST *AllocatedResources)
1256 {
1257     /* Check the bus type */
1258     if (BusType != PCIBus)
1259     {
1260         /* Call our internal handler */
1261         return HalpAssignSlotResources(RegistryPath,
1262                                        DriverClassName,
1263                                        DriverObject,
1264                                        DeviceObject,
1265                                        BusType,
1266                                        BusNumber,
1267                                        SlotNumber,
1268                                        AllocatedResources);
1269     }
1270     else
1271     {
1272         /* Call the PCI registered function */
1273         return HalPciAssignSlotResources(RegistryPath,
1274                                          DriverClassName,
1275                                          DriverObject,
1276                                          DeviceObject,
1277                                          PCIBus,
1278                                          BusNumber,
1279                                          SlotNumber,
1280                                          AllocatedResources);
1281     }
1282 }
1283
1284 /*
1285  * @implemented
1286  */
1287 ULONG
1288 NTAPI
1289 HalGetBusData(IN BUS_DATA_TYPE BusDataType,
1290               IN ULONG BusNumber,
1291               IN ULONG SlotNumber,
1292               IN PVOID Buffer,
1293               IN ULONG Length)
1294 {
1295     /* Call the extended function */
1296     return HalGetBusDataByOffset(BusDataType,
1297                                  BusNumber,
1298                                  SlotNumber,
1299                                  Buffer,
1300                                  0,
1301                                  Length);
1302 }
1303
1304 /*
1305  * @implemented
1306  */
1307 ULONG
1308 NTAPI
1309 HalGetBusDataByOffset(IN BUS_DATA_TYPE BusDataType,
1310                       IN ULONG BusNumber,
1311                       IN ULONG SlotNumber,
1312                       IN PVOID Buffer,
1313                       IN ULONG Offset,
1314                       IN ULONG Length)
1315 {
1316     PBUS_HANDLER Handler;
1317     ULONG Status;
1318
1319     /* Find the handler */
1320     Handler = HaliReferenceHandlerForConfigSpace(BusDataType, BusNumber);
1321     if (!Handler) return 0;
1322
1323     /* Do the assignment */
1324     Status = Handler->GetBusData(Handler,
1325                                  Handler,
1326                                  SlotNumber,
1327                                  Buffer,
1328                                  Offset,
1329                                  Length);
1330
1331     /* Dereference the handler and return */
1332     HalDereferenceBusHandler(Handler);
1333     return Status;
1334 }
1335
1336 /*
1337  * @implemented
1338  */
1339 ULONG
1340 NTAPI
1341 HalGetInterruptVector(IN INTERFACE_TYPE InterfaceType,
1342                       IN ULONG BusNumber,
1343                       IN ULONG BusInterruptLevel,
1344                       IN ULONG BusInterruptVector,
1345                       OUT PKIRQL Irql,
1346                       OUT PKAFFINITY Affinity)
1347 {
1348     PBUS_HANDLER Handler;
1349     ULONG Vector;
1350     PAGED_CODE();
1351
1352     /* Defaults */
1353     *Irql = 0;
1354     *Affinity = 0;
1355
1356     /* Find the handler */
1357     Handler = HalReferenceHandlerForBus(InterfaceType, BusNumber);
1358     if (!Handler) return 0;
1359
1360     /* Do the assignment */
1361     Vector = Handler->GetInterruptVector(Handler,
1362                                          Handler,
1363                                          BusInterruptLevel,
1364                                          BusInterruptVector,
1365                                          Irql,
1366                                          Affinity);
1367     if ((Vector != IRQ2VECTOR(BusInterruptLevel)) ||
1368         (*Irql != VECTOR2IRQL(IRQ2VECTOR(BusInterruptLevel))))
1369     {
1370         DPRINT1("Returning IRQL %lx, Vector %lx for Level/Vector: %lx/%lx\n",
1371                 *Irql, Vector, BusInterruptLevel, BusInterruptVector);
1372         DPRINT1("Old HAL would've returned IRQL %lx and Vector %lx\n",
1373                 VECTOR2IRQL(IRQ2VECTOR(BusInterruptLevel)),
1374                 IRQ2VECTOR(BusInterruptLevel));
1375     }
1376
1377     /* Dereference the handler and return */
1378     HalDereferenceBusHandler(Handler);
1379     return Vector;
1380 }
1381
1382 /*
1383  * @implemented
1384  */
1385 ULONG
1386 NTAPI
1387 HalSetBusData(IN BUS_DATA_TYPE BusDataType,
1388               IN ULONG BusNumber,
1389               IN ULONG SlotNumber,
1390               IN PVOID Buffer,
1391               IN ULONG Length)
1392 {
1393     /* Call the extended function */
1394     return HalSetBusDataByOffset(BusDataType,
1395                                  BusNumber,
1396                                  SlotNumber,
1397                                  Buffer,
1398                                  0,
1399                                  Length);
1400 }
1401
1402 /*
1403  * @implemented
1404  */
1405 ULONG
1406 NTAPI
1407 HalSetBusDataByOffset(IN BUS_DATA_TYPE BusDataType,
1408                       IN ULONG BusNumber,
1409                       IN ULONG SlotNumber,
1410                       IN PVOID Buffer,
1411                       IN ULONG Offset,
1412                       IN ULONG Length)
1413 {
1414     PBUS_HANDLER Handler;
1415     ULONG Status;
1416
1417     /* Find the handler */
1418     Handler = HaliReferenceHandlerForConfigSpace(BusDataType, BusNumber);
1419     if (!Handler) return 0;
1420
1421     /* Do the assignment */
1422     Status = Handler->SetBusData(Handler,
1423                                  Handler,
1424                                  SlotNumber,
1425                                  Buffer,
1426                                  Offset,
1427                                  Length);
1428
1429     /* Dereference the handler and return */
1430     HalDereferenceBusHandler(Handler);
1431     return Status;
1432 }
1433
1434 /*
1435  * @implemented
1436  */
1437 BOOLEAN
1438 NTAPI
1439 HalTranslateBusAddress(IN INTERFACE_TYPE InterfaceType,
1440                        IN ULONG BusNumber,
1441                        IN PHYSICAL_ADDRESS BusAddress,
1442                        IN OUT PULONG AddressSpace,
1443                        OUT PPHYSICAL_ADDRESS TranslatedAddress)
1444 {
1445     /* Look as the bus type */
1446     if (InterfaceType == PCIBus)
1447     {
1448         /* Call the PCI registered function */
1449         return HalPciTranslateBusAddress(PCIBus,
1450                                          BusNumber,
1451                                          BusAddress,
1452                                          AddressSpace,
1453                                          TranslatedAddress);
1454     }
1455     else
1456     {
1457         /* Call the bus handler */
1458         return HaliTranslateBusAddress(InterfaceType,
1459                                        BusNumber,
1460                                        BusAddress,
1461                                        AddressSpace,
1462                                        TranslatedAddress);
1463     }
1464 }
1465
1466 /* EOF */