reactos/include/ddk/iofuncs.h

   1 #ifndef _INCLUDE_DDK_IOFUNCS_H
   2 #define _INCLUDE_DDK_IOFUNCS_H
   3 /* $Id: iofuncs.h,v 1.33 2002/09/08 10:47:44 chorns Exp $ */
   4
   5 /* --- EXPORTED BY NTOSKRNL --- */
   6
   7 /**********************************************************************
   8  * NAME                                                 EXPORTED
   9  *      IoAcquireCancelSpinLock@4
  10  *
  11  * DESCRIPTION
  12  *      Synchronizes cancelable-state transistions for IRPs in a
  13  *      multiprocessor-safe way.
  14  *
  15  * ARGUMENTS
  16  *      Irpl
  17  *              Variable to store the current IRQ level.
  18  *
  19  * RETURN VALUE
  20  *      None.
  21  *
  22  * REVISIONS
  23  *
  24  */
  25 VOID
  26 STDCALL
  27 IoAcquireCancelSpinLock (
  28         PKIRQL  Irpl
  29         );
  30 VOID
  31 STDCALL
  32 IoAcquireVpbSpinLock (
  33         PKIRQL  Irpl
  34         );
  35 /**********************************************************************
  36  * NAME                                                 EXPORTED
  37  *      IoAllocateAdapterChannel@
  38  *
  39  * DESCRIPTION
  40  *      Allocates an adaptor object for a DMA operation on the target
  41  *      device.
  42  *
  43  * ARGUMENTS
  44  *      Adaptor
  45  *              Adapter channel or busmaster adapter to be allocated;
  46  *
  47  *      DeviceObject
  48  *              Target device for DMA;
  49  *
  50  *      NumberOfMapRegisters
  51  *              Number of map registers;
  52  *
  53  *      ExecutionRoutine
  54  *              Routine to be called when the adaptor is available;
  55  *
  56  *      Context
  57  *              Driver defined contex that will be passed to the
  58  *              execution routine.
  59  *
  60  * RETURN VALUE
  61  *      Success or failure code.
  62  *
  63  * REVISIONS
  64  *
  65  */
  66 NTSTATUS
  67 STDCALL
  68 IoAllocateAdapterChannel (
  69         PADAPTER_OBJECT AdaperObject,
  70         PDEVICE_OBJECT  DeviceObject,
  71         ULONG           NumberOfMapRegisters,
  72         PDRIVER_CONTROL ExecutionRoutine,
  73         PVOID           Context
  74         );
  75 /**********************************************************************
  76  * NAME                                                 EXPORTED
  77  *      IoAllocateController@16
  78  *
  79  * DESCRIPTION
  80  *      Sets up a call to a driver supplied controller object as
  81  *      soon as it is available.
  82  *
  83  * ARGUMENTS
  84  *      ControllerObject
  85  *              Driver created controller object;
  86  *
  87  *      DeviceObject
  88  *              Target device;
  89  *
  90  *      ExecutionObject
  91  *              Routine to be called;
  92  *
  93  *      Context
  94  *              Driver determined context to be based to the
  95  *              routine.
  96  *
  97  * RETURN VALUE
  98  *      None.
  99  *
 100  * REVISIONS
 101  *
 102  */
 103 VOID
 104 STDCALL
 105 IoAllocateController (
 106         PCONTROLLER_OBJECT      ControllerObject,
 107         PDEVICE_OBJECT          DeviceObject,
 108         PDRIVER_CONTROL         ExecutionRoutine,
 109         PVOID                   Context
 110         );
 111 /**********************************************************************
 112  * NAME                                                 EXPORTED
 113  *      IoAllocateErrorLogEntry@8
 114  *
 115  * DESCRIPTION
 116  *      Allocates an error log packet.
 117  *
 118  * ARGUMENTS
 119  *      IoObject
 120  *              Object which found the error;
 121  *
 122  *      EntrySize
 123  *              Size in bytes of the packet to be allocated.
 124  *
 125  * RETURN VALUE
 126  *      On success, a pointer to the allocated packet.
 127  *      On failure, it returns NULL.
 128  */
 129 PVOID
 130 STDCALL
 131 IoAllocateErrorLogEntry (
 132         PVOID   IoObject,
 133         UCHAR   EntrySize
 134         );
 135 /**********************************************************************
 136  * NAME                                                 EXPORTED
 137  *      IoAllocateIrp@8
 138  *
 139  * DESCRIPTION
 140  *      Allocates an IRP.
 141  *
 142  * ARGUMENTS
 143  *      StackSize
 144  *              Number of stack locations to allocate;
 145  *
 146  *      ChargeQuota
 147  *              Who knows.
 148  *
 149  * RETURN VALUE
 150  *      On success, the allocated IRP. On failure, NULL.
 151  */
 152 PIRP
 153 STDCALL
 154 IoAllocateIrp (
 155         CCHAR   StackSize,
 156         BOOLEAN ChargeQuota
 157         );
 158 /**********************************************************************
 159  * NAME                                                 EXPORTED
 160  *      IoAllocateMdl@20
 161  *
 162  * DESCRIPTION
 163  *      Allocates an MDL large enough to map the supplied buffer.
 164  *
 165  * ARGUMENTS
 166  *      VirtualAddress
 167  *              Base virtual address of the buffer to be mapped;
 168  *
 169  *      Length
 170  *              Length of the buffer to be mapped;
 171  *
 172  *      SecondaryBuffer
 173  *              Whether the buffer is primary or secondary;
 174  *
 175  *      ChargeQuota
 176  *              Charge non-paged pool quota to current thread;
 177  *
 178  *      Irp
 179  *              Optional irp to be associated with the MDL.
 180  *
 181  * RETURN VALUE
 182  *      On success, the allocated MDL; on failure, NULL.
 183  */
 184 PMDL
 185 STDCALL
 186 IoAllocateMdl (
 187         PVOID   VirtualAddress,
 188         ULONG   Length,
 189         BOOLEAN SecondaryBuffer,
 190         BOOLEAN ChargeQuota,
 191         PIRP    Irp
 192         );
 193
 194 /**********************************************************************
 195  * NAME                                                 MACRO
 196  *      IoAssignArcName
 197  *
 198  * DESCRIPTION
 199  *      Creates a symbolic link between the ARC name of a physical
 200  *      device and the name of the corresponding device object
 201  *
 202  * ARGUMENTS
 203  *      ArcName
 204  *              ARC name of the device
 205  *
 206  *      DeviceName
 207  *              Name of the device object
 208  *
 209  * NOTES
 210  *      VOID
 211  *      IoAssignArcName (
 212  *              PUNICODE_STRING ArcName,
 213  *              PUNICODE_STRING DeviceName
 214  *              );
 215  */
 216 #define IoAssignArcName(ArcName,DeviceName) \
 217         (IoCreateSymbolicLink((ArcName),(DeviceName)))
 218
 219 /**********************************************************************
 220  * NAME                                                 EXPORTED
 221  *      IoAssignResources@24
 222  *
 223  * DESCRIPTION
 224  *      Takes a list of requested hardware resources and allocates
 225  *      them.
 226  *
 227  * ARGUMENTS
 228  *      RegisterPath
 229  *              ?
 230  *
 231  *      DriverClassName
 232  *              ?
 233  *
 234  *      DriverObject
 235  *              Driver object passed to the DriverEntry routine;
 236  *
 237  *      DeviceObject
 238  *              ?
 239  *
 240  *      RequestedResources
 241  *              List of resources.
 242  *
 243  * RETURN VALUE
 244  */
 245 NTSTATUS
 246 STDCALL
 247 IoAssignResources (
 248         PUNICODE_STRING                 RegistryPath,
 249         PUNICODE_STRING                 DriverClassName,
 250         PDRIVER_OBJECT                  DriverObject,
 251         PDEVICE_OBJECT                  DeviceObject,
 252         PIO_RESOURCE_REQUIREMENTS_LIST  RequestedResources,
 253         PCM_RESOURCE_LIST               * AllocatedResources
 254         );
 255 /*
 256  * FUNCTION: Attaches the callers device object to a named target device
 257  * ARGUMENTS:
 258  *        SourceDevice = caller's device
 259  *        TargetDevice = Name of the target device
 260  *        AttachedDevice = Caller allocated storage. On return contains
 261  *                         a pointer to the target device
 262  * RETURNS: Success or failure code
 263  */
 264 NTSTATUS
 265 STDCALL
 266 IoAttachDevice (
 267         PDEVICE_OBJECT  SourceDevice,
 268         PUNICODE_STRING TargetDevice,
 269         PDEVICE_OBJECT  * AttachedDevice
 270         );
 271 /*
 272  * FUNCTION: Obsolete
 273  * ARGUMENTS:
 274  *       SourceDevice = device to attach
 275  *       TargetDevice = device to be attached to
 276  * RETURNS: Success or failure code
 277  */
 278 NTSTATUS
 279 STDCALL
 280 IoAttachDeviceByPointer (
 281         PDEVICE_OBJECT  SourceDevice,
 282         PDEVICE_OBJECT  TargetDevice
 283         );
 284 /*
 285  * FUNCTION: Attaches the callers device to the highest device in the chain
 286  * ARGUMENTS:
 287  *       SourceDevice = caller's device
 288  *       TargetDevice = Device to attach
 289  * RETURNS: On success the previously highest device
 290  *          On failure NULL
 291  */
 292 PDEVICE_OBJECT
 293 STDCALL
 294 IoAttachDeviceToDeviceStack (
 295         PDEVICE_OBJECT  SourceDevice,
 296         PDEVICE_OBJECT  TargetDevice
 297         );
 298 /*
 299  * FUNCTION: Builds a irp to be sent to lower level drivers
 300  * ARGUMENTS:
 301  *       MajorFunction = Major function code to be set in the IRP
 302  *       DeviceObject = Next lower device object
 303  *       Buffer = Buffer (only required for some major function codes)
 304  *       Length = Length in bytes of the buffer
 305  *       StartingOffset = Starting offset on the target device
 306  *       IoStatusBlock = Storage for status about the operation (optional)
 307  * RETURNS: On success the IRP allocated
 308  *          On failure NULL
 309  */
 310 PIRP
 311 STDCALL
 312 IoBuildAsynchronousFsdRequest (
 313         ULONG                   MajorFunction,
 314         PDEVICE_OBJECT          DeviceObject,
 315         PVOID                   Buffer,
 316         ULONG                   Length,
 317         PLARGE_INTEGER          StartingOffset,
 318         PIO_STATUS_BLOCK        IoStatusBlock
 319         );
 320 /*
 321  * FUNCTION: Allocates and sets up an IRP for a device control request
 322  * ARGUMENTS:
 323  *        IoControlCode = Type of request
 324  *        DeviceObject = Target device
 325  *        InputBuffer = Optional input buffer to the driver
 326  *        InputBufferLength = Length of the input buffer
 327  *        OutputBuffer = Optional output buffer
 328  *        OutputBufferLength = Length of the output buffer
 329  *        InternalDeviceIoControl = TRUE if the request is internal
 330  *        Event = Initialized event for the caller to wait for the request
 331  *                to be completed
 332  *        IoStatusBlock = I/O status block to be set when the request is
 333  *                        completed
 334  * RETURNS: Returns the IRP created
 335  */
 336 PIRP
 337 STDCALL
 338 IoBuildDeviceIoControlRequest (
 339         ULONG                   IoControlCode,
 340         PDEVICE_OBJECT          DeviceObject,
 341         PVOID                   InputBuffer,
 342         ULONG                   InputBufferLength,
 343         PVOID                   OutputBuffer,
 344         ULONG                   OutputBufferLength,
 345         BOOLEAN                 InternalDeviceIoControl,
 346         PKEVENT                 Event,
 347         PIO_STATUS_BLOCK        IoStatusBlock
 348         );
 349 VOID
 350 STDCALL
 351 IoBuildPartialMdl (
 352         PMDL    SourceMdl,
 353         PMDL    TargetMdl,
 354         PVOID   VirtualAddress,
 355         ULONG   Length
 356         );
 357 PIRP
 358 STDCALL
 359 IoBuildSynchronousFsdRequest (
 360         ULONG                   MajorFunction,
 361         PDEVICE_OBJECT          DeviceObject,
 362         PVOID                   Buffer,
 363         ULONG                   Length,
 364         PLARGE_INTEGER          StartingOffset,
 365         PKEVENT                 Event,
 366         PIO_STATUS_BLOCK        IoStatusBlock
 367         );
 368 NTSTATUS
 369 STDCALL
 370 IoCallDriver (
 371         PDEVICE_OBJECT  DeviceObject,
 372         PIRP            Irp
 373         );
 374 BOOLEAN
 375 STDCALL
 376 IoCancelIrp (
 377         PIRP    Irp
 378         );
 379
 380 NTSTATUS STDCALL
 381 IoCheckDesiredAccess(IN OUT PACCESS_MASK DesiredAccess,
 382                      IN ACCESS_MASK GrantedAccess);
 383
 384 NTSTATUS STDCALL
 385 IoCheckEaBufferValidity(IN PFILE_FULL_EA_INFORMATION EaBuffer,
 386                         IN ULONG EaLength,
 387                         OUT PULONG ErrorOffset);
 388
 389 NTSTATUS STDCALL
 390 IoCheckFunctionAccess(IN ACCESS_MASK GrantedAccess,
 391                       IN UCHAR MajorFunction,
 392                       IN UCHAR MinorFunction,
 393                       IN ULONG IoControlCode,
 394                       IN PFILE_INFORMATION_CLASS FileInformationClass OPTIONAL,
 395                       IN PFS_INFORMATION_CLASS FsInformationClass OPTIONAL);
 396
 397 NTSTATUS
 398 STDCALL
 399 IoCheckShareAccess (
 400         ACCESS_MASK     DesiredAccess,
 401         ULONG           DesiredShareAccess,
 402         PFILE_OBJECT    FileObject,
 403         PSHARE_ACCESS   ShareAccess,
 404         BOOLEAN         Update
 405         );
 406 VOID
 407 STDCALL
 408 IoCompleteRequest (
 409         PIRP    Irp,
 410         CCHAR   PriorityBoost
 411         );
 412 NTSTATUS
 413 STDCALL
 414 IoConnectInterrupt (
 415         PKINTERRUPT             * InterruptObject,
 416         PKSERVICE_ROUTINE       ServiceRoutine,
 417         PVOID                   ServiceContext,
 418         PKSPIN_LOCK             SpinLock,
 419         ULONG                   Vector,
 420         KIRQL                   Irql,
 421         KIRQL                   SynchronizeIrql,
 422         KINTERRUPT_MODE         InterruptMode,
 423         BOOLEAN                 ShareVector,
 424         KAFFINITY               ProcessorEnableMask,
 425         BOOLEAN                 FloatingSave
 426         );
 427
 428 PCONTROLLER_OBJECT
 429 STDCALL
 430 IoCreateController (
 431         ULONG   Size
 432         );
 433 /*
 434  * FUNCTION: Allocates memory for and intializes a device object for use for
 435  * a driver
 436  * ARGUMENTS:
 437  *         DriverObject : Driver object passed by iomgr when the driver was
 438  *                        loaded
 439  *         DeviceExtensionSize : Number of bytes for the device extension
 440  *         DeviceName : Unicode name of device
 441  *         DeviceType : Device type
 442  *         DeviceCharacteristics : Bit mask of device characteristics
 443  *         Exclusive : True if only one thread can access the device at a
 444  *                     time
 445  * RETURNS:
 446  *         Success or failure
 447  *         DeviceObject : Contains a pointer to allocated device object
 448  *                        if the call succeeded
 449  * NOTES: See the DDK documentation for more information
 450  */
 451 NTSTATUS
 452 STDCALL
 453 IoCreateDevice (
 454         PDRIVER_OBJECT  DriverObject,
 455         ULONG           DeviceExtensionSize,
 456         PUNICODE_STRING DeviceName,
 457         DEVICE_TYPE     DeviceType,
 458         ULONG           DeviceCharacteristics,
 459         BOOLEAN         Exclusive,
 460         PDEVICE_OBJECT  * DeviceObject
 461         );
 462 NTSTATUS
 463 STDCALL
 464 IoCreateFile (
 465         OUT     PHANDLE                 FileHandle,
 466         IN      ACCESS_MASK             DesiredAccess,
 467         IN      POBJECT_ATTRIBUTES      ObjectAttributes,
 468         OUT     PIO_STATUS_BLOCK        IoStatusBlock,
 469         IN      PLARGE_INTEGER          AllocationSize          OPTIONAL,
 470         IN      ULONG                   FileAttributes,
 471         IN      ULONG                   ShareAccess,
 472         IN      ULONG                   CreateDisposition,
 473         IN      ULONG                   CreateOptions,
 474         IN      PVOID                   EaBuffer                OPTIONAL,
 475         IN      ULONG                   EaLength,
 476         IN      CREATE_FILE_TYPE        CreateFileType,
 477         IN      PVOID                   ExtraCreateParameters   OPTIONAL,
 478         IN      ULONG                   Options
 479         );
 480 PKEVENT
 481 STDCALL
 482 IoCreateNotificationEvent (
 483         PUNICODE_STRING EventName,
 484         PHANDLE EventHandle
 485         );
 486 PFILE_OBJECT
 487 STDCALL
 488 IoCreateStreamFileObject (
 489         PFILE_OBJECT    FileObject,
 490         PDEVICE_OBJECT  DeviceObject
 491         );
 492 NTSTATUS
 493 STDCALL
 494 IoCreateSymbolicLink (
 495         PUNICODE_STRING SymbolicLinkName,
 496         PUNICODE_STRING DeviceName
 497         );
 498 PKEVENT
 499 STDCALL
 500 IoCreateSynchronizationEvent (
 501         PUNICODE_STRING EventName,
 502         PHANDLE EventHandle
 503         );
 504 NTSTATUS
 505 STDCALL
 506 IoCreateUnprotectedSymbolicLink (
 507         PUNICODE_STRING SymbolicLinkName,
 508         PUNICODE_STRING DeviceName
 509         );
 510
 511 /*
 512  * FUNCTION:
 513  *      Deletes a symbolic link between the ARC name of a physical
 514  *      device and the name of the corresponding device object
 515  *
 516  * ARGUMENTS:
 517  *      ArcName = ARC name of the device
 518  *
 519  * NOTES:
 520  *      VOID
 521  *      IoDeassignArcName (
 522  *              PUNICODE_STRING ArcName
 523  *              );
 524  */
 525 #define IoDeassignArcName(ArcName) \
 526         (IoDeleteSymbolicLink((ArcName)))
 527
 528 VOID
 529 STDCALL
 530 IoDeleteController (
 531         PCONTROLLER_OBJECT      ControllerObject
 532         );
 533 VOID
 534 STDCALL
 535 IoDeleteDevice (
 536         PDEVICE_OBJECT  DeviceObject
 537         );
 538 NTSTATUS
 539 STDCALL
 540 IoDeleteSymbolicLink (
 541         PUNICODE_STRING SymbolicLinkName
 542         );
 543 VOID
 544 STDCALL
 545 IoDetachDevice (
 546         PDEVICE_OBJECT  TargetDevice
 547         );
 548 VOID
 549 STDCALL
 550 IoDisconnectInterrupt (
 551         PKINTERRUPT     InterruptObject
 552         );
 553 VOID
 554 STDCALL
 555 IoEnqueueIrp (
 556         PIRP    Irp
 557         );
 558
 559 BOOLEAN STDCALL
 560 IoFastQueryNetworkAttributes(IN POBJECT_ATTRIBUTES ObjectAttributes,
 561                              IN ACCESS_MASK DesiredAccess,
 562                              IN ULONG OpenOptions,
 563                              OUT PIO_STATUS_BLOCK IoStatus,
 564                              OUT PFILE_NETWORK_OPEN_INFORMATION Buffer);
 565
 566 VOID
 567 STDCALL
 568 IoFreeController (
 569         PCONTROLLER_OBJECT      ControllerObject
 570         );
 571 VOID
 572 STDCALL
 573 IoFreeIrp (
 574         PIRP    Irp
 575         );
 576 VOID
 577 STDCALL
 578 IoFreeMdl (
 579         PMDL    Mdl
 580         );
 581 PDEVICE_OBJECT
 582 STDCALL
 583 IoGetAttachedDevice (
 584         PDEVICE_OBJECT  DeviceObject
 585         );
 586 PDEVICE_OBJECT
 587 STDCALL
 588 IoGetAttachedDeviceReference (
 589         PDEVICE_OBJECT  DeviceObject
 590         );
 591 PDEVICE_OBJECT
 592 STDCALL
 593 IoGetBaseFileSystemDeviceObject (
 594         IN      PFILE_OBJECT    FileObject
 595         );
 596 PCONFIGURATION_INFORMATION
 597 STDCALL
 598 IoGetConfigurationInformation (
 599         VOID
 600         );
 601
 602 /*
 603  * FUNCTION: Gets a pointer to the callers location in the I/O stack in
 604  * the given IRP
 605  * ARGUMENTS:
 606  *         Irp = Points to the IRP
 607  * RETURNS: A pointer to the stack location
 608  *
 609  * NOTES:
 610  *      PIO_STACK_LOCATION
 611  *      IoGetCurrentIrpStackLocation (PIRP Irp)
 612  */
 613 #define IoGetCurrentIrpStackLocation(Irp) \
 614         ((Irp)->Tail.Overlay.CurrentStackLocation)
 615
 616 #define IoSetNextIrpStackLocation(Irp) { \
 617   (Irp)->CurrentLocation--; \
 618   (Irp)->Tail.Overlay.CurrentStackLocation--; }
 619
 620 #define IoCopyCurrentIrpStackLocationToNext(Irp) { \
 621   PIO_STACK_LOCATION IrpSp; \
 622   PIO_STACK_LOCATION NextIrpSp; \
 623   IrpSp = IoGetCurrentIrpStackLocation((Irp)); \
 624   NextIrpSp = IoGetNextIrpStackLocation((Irp)); \
 625   RtlCopyMemory(NextIrpSp, IrpSp, \
 626     FIELD_OFFSET(IO_STACK_LOCATION, CompletionRoutine)); \
 627   NextIrpSp->Control = 0; }
 628
 629 #define IoSkipCurrentIrpStackLocation(Irp) \
 630   (Irp)->CurrentLocation++; \
 631   (Irp)->Tail.Overlay.CurrentStackLocation++;
 632
 633 struct _EPROCESS*
 634 STDCALL
 635 IoGetCurrentProcess (
 636         VOID
 637         );
 638 NTSTATUS
 639 STDCALL
 640 IoGetDeviceObjectPointer (
 641         PUNICODE_STRING ObjectName,
 642         ACCESS_MASK     DesiredAccess,
 643         PFILE_OBJECT    * FileObject,
 644         PDEVICE_OBJECT  * DeviceObject
 645         );
 646 PDEVICE_OBJECT
 647 STDCALL
 648 IoGetDeviceToVerify (
 649         struct _ETHREAD*        Thread
 650         );
 651 PGENERIC_MAPPING
 652 STDCALL
 653 IoGetFileObjectGenericMapping (
 654         VOID
 655         );
 656
 657 #define IoGetFunctionCodeFromCtlCode(ControlCode) \
 658         ((ControlCode >> 2) & 0x00000FFF)
 659
 660 PVOID
 661 STDCALL
 662 IoGetInitialStack (
 663         VOID
 664         );
 665
 666 /*
 667  * FUNCTION: Gives a higher level driver access to the next lower driver's
 668  * I/O stack location
 669  * ARGUMENTS:
 670  *           Irp = points to the irp
 671  * RETURNS: A pointer to the stack location
 672  *
 673  * NOTES:
 674  *      PIO_STACK_LOCATION
 675  *      IoGetNextIrpStackLocation (PIRP Irp)
 676  */
 677 #define IoGetNextIrpStackLocation(Irp) \
 678         ((Irp)->Tail.Overlay.CurrentStackLocation-1)
 679
 680
 681 PDEVICE_OBJECT
 682 STDCALL
 683 IoGetRelatedDeviceObject (
 684         PFILE_OBJECT    FileObject
 685         );
 686 struct _EPROCESS*
 687 STDCALL
 688 IoGetRequestorProcess (
 689         IN      PIRP    Irp
 690         );
 691
 692 VOID
 693 STDCALL
 694 IoGetStackLimits (
 695         PULONG  LowLimit,
 696         PULONG  HighLimit
 697         );
 698
 699 PIRP
 700 STDCALL
 701 IoGetTopLevelIrp (
 702         VOID
 703         );
 704
 705 #define IoInitializeDpcRequest(DeviceObject,DpcRoutine) \
 706         (KeInitializeDpc(&(DeviceObject)->Dpc, \
 707                          (PKDEFERRED_ROUTINE)(DpcRoutine), \
 708                          (DeviceObject)))
 709
 710 /*
 711  * FUNCTION: Initalizes an irp allocated by the caller
 712  * ARGUMENTS:
 713  *          Irp = IRP to initalize
 714  *          PacketSize = Size in bytes of the IRP
 715  *          StackSize = Number of stack locations in the IRP
 716  */
 717 VOID
 718 STDCALL
 719 IoInitializeIrp (
 720         PIRP    Irp,
 721         USHORT  PacketSize,
 722         CCHAR   StackSize
 723         );
 724 NTSTATUS
 725 STDCALL
 726 IoInitializeTimer (
 727         PDEVICE_OBJECT          DeviceObject,
 728         PIO_TIMER_ROUTINE       TimerRoutine,
 729         PVOID                   Context
 730         );
 731
 732 /*
 733  * NOTES:
 734  *      BOOLEAN
 735  *      IsErrorUserInduced (NTSTATUS Status)
 736  */
 737 #define IoIsErrorUserInduced(Status) \
 738         ((BOOLEAN)(((Status) == STATUS_DEVICE_NOT_READY) || \
 739                    ((Status) == STATUS_IO_TIMEOUT) || \
 740                    ((Status) == STATUS_MEDIA_WRITE_PROTECTED) || \
 741                    ((Status) == STATUS_NO_MEDIA_IN_DRIVE) || \
 742                    ((Status) == STATUS_VERIFY_REQUIRED) || \
 743                    ((Status) == STATUS_UNRECOGNIZED_MEDIA) || \
 744                    ((Status) == STATUS_WRONG_VOLUME)))
 745
 746 BOOLEAN
 747 STDCALL
 748 IoIsOperationSynchronous (
 749         IN      PIRP    Irp
 750         );
 751 BOOLEAN
 752 STDCALL
 753 IoIsSystemThread (
 754         PVOID   Unknown0
 755         );
 756 PIRP
 757 STDCALL
 758 IoMakeAssociatedIrp (
 759         PIRP    Irp,
 760         CCHAR   StackSize
 761         );
 762
 763 /*
 764  * FUNCTION: Marks the specified irp, indicating further processing will
 765  * be required by other driver routines
 766  * ARGUMENTS:
 767  *      Irp = Irp to mark
 768  * NOTES:
 769  *      VOID
 770  *      IoMarkIrpPending (PIRP Irp)
 771  */
 772 #define IoMarkIrpPending(Irp) \
 773         (IoGetCurrentIrpStackLocation(Irp)->Control |= SL_PENDING_RETURNED)
 774
 775
 776 NTSTATUS
 777 STDCALL
 778 IoOpenDeviceInstanceKey (
 779         DWORD   Unknown0,
 780         DWORD   Unknown1,
 781         DWORD   Unknown2,
 782         DWORD   Unknown3,
 783         DWORD   Unknown4
 784         );
 785 NTSTATUS
 786 STDCALL
 787 IoQueryDeviceDescription (
 788         PINTERFACE_TYPE                 BusType,
 789         PULONG                          BusNumber,
 790         PCONFIGURATION_TYPE             ControllerType,
 791         PULONG                          ControllerNumber,
 792         PCONFIGURATION_TYPE             PeripheralType,
 793         PULONG                          PeripheralNumber,
 794         PIO_QUERY_DEVICE_ROUTINE        CalloutRoutine,
 795         PVOID                           Context
 796         );
 797 DWORD
 798 STDCALL
 799 IoQueryDeviceEnumInfo (
 800         DWORD   Unknown0,
 801         DWORD   Unknown1
 802         );
 803 // IoQueryFileInformation: confirmed - Undocumented because it does not require a valid file handle
 804 NTSTATUS
 805 STDCALL
 806 IoQueryFileInformation (
 807         IN      PFILE_OBJECT            FileObject,
 808         IN      FILE_INFORMATION_CLASS  FileInformationClass,
 809         IN      ULONG                   Length,
 810         OUT     PVOID                   FileInformation,
 811         OUT     PULONG                  ReturnedLength
 812         );
 813 NTSTATUS
 814 STDCALL
 815 IoQueryVolumeInformation (
 816         IN      PFILE_OBJECT            FileObject,
 817         IN      FS_INFORMATION_CLASS    FsInformationClass,
 818         IN      ULONG                   Length,
 819         OUT     PVOID                   FsInformation,
 820         OUT     PULONG                  ReturnedLength
 821         );
 822 VOID
 823 STDCALL
 824 IoQueueThreadIrp (
 825         IN      PIRP    Irp
 826         );
 827 VOID
 828 STDCALL
 829 IoRaiseHardError (
 830         PIRP            Irp,
 831         PVPB            Vpb,
 832         PDEVICE_OBJECT  RealDeviceObject
 833         );
 834 BOOLEAN
 835 STDCALL
 836 IoRaiseInformationalHardError (
 837         NTSTATUS        ErrorStatus,
 838         PUNICODE_STRING String,
 839         struct _KTHREAD*        Thread
 840         );
 841 VOID
 842 STDCALL
 843 IoRegisterDriverReinitialization (
 844         PDRIVER_OBJECT          DriverObject,
 845         PDRIVER_REINITIALIZE    ReinitRoutine,
 846         PVOID                   Context
 847         );
 848 VOID
 849 STDCALL
 850 IoRegisterFileSystem (
 851         PDEVICE_OBJECT  DeviceObject
 852         );
 853 #if (_WIN32_WINNT >= 0x0400)
 854 NTSTATUS
 855 STDCALL
 856 IoRegisterFsRegistrationChange (
 857         IN      PDRIVER_OBJECT          DriverObject,
 858         IN      PFSDNOTIFICATIONPROC    FSDNotificationProc
 859         );
 860 #endif // (_WIN32_WINNT >= 0x0400)
 861 NTSTATUS
 862 STDCALL
 863 IoRegisterShutdownNotification (
 864         PDEVICE_OBJECT  DeviceObject
 865         );
 866 VOID
 867 STDCALL
 868 IoReleaseCancelSpinLock (
 869         IN      KIRQL   Irql
 870         );
 871 VOID
 872 STDCALL
 873 IoReleaseVpbSpinLock (
 874         IN      KIRQL   Irql
 875         );
 876 VOID
 877 STDCALL
 878 IoRemoveShareAccess (
 879         PFILE_OBJECT    FileObject,
 880         PSHARE_ACCESS   ShareAccess
 881         );
 882 NTSTATUS
 883 STDCALL
 884 IoReportHalResourceUsage (
 885         IN      PUNICODE_STRING         HalDescription,
 886         IN      PCM_RESOURCE_LIST       RawList,
 887         IN      PCM_RESOURCE_LIST       TranslatedList,
 888         IN      ULONG                   ListSize
 889         );
 890 NTSTATUS
 891 STDCALL
 892 IoReportResourceUsage (
 893         PUNICODE_STRING         DriverClassName,
 894         PDRIVER_OBJECT          DriverObject,
 895         PCM_RESOURCE_LIST       DriverList,
 896         ULONG                   DriverListSize,
 897         PDEVICE_OBJECT          DeviceObject,
 898         PCM_RESOURCE_LIST       DeviceList,
 899         ULONG                   DeviceListSize,
 900         BOOLEAN                 OverrideConflict,
 901         PBOOLEAN                ConflictDetected
 902         );
 903
 904 #define IoRequestDpc(DeviceObject,Irp,Context) \
 905         (KeInsertQueueDpc(&(DeviceObject)->Dpc,(Irp),(Context)))
 906
 907 #define IoSetCancelRoutine(Irp,NewCancelRoutine) \
 908         ((PDRIVER_CANCEL)InterlockedExchange((PULONG)&(Irp)->CancelRoutine, \
 909                                              (ULONG)(NewCancelRoutine)));
 910
 911 #define IoSetCompletionRoutine(Irp,Routine,Context,Success,Error,Cancel) \
 912         { \
 913                 PIO_STACK_LOCATION param; \
 914                 assert((Success)||(Error)||(Cancel)?(Routine)!=NULL:TRUE); \
 915                 param = IoGetNextIrpStackLocation((Irp)); \
 916                 param->CompletionRoutine=(Routine); \
 917                 param->CompletionContext=(Context); \
 918                 param->Control = 0; \
 919                 if ((Success)) \
 920                         param->Control = SL_INVOKE_ON_SUCCESS; \
 921                 if ((Error)) \
 922                         param->Control |= SL_INVOKE_ON_ERROR; \
 923                 if ((Cancel)) \
 924                         param->Control |= SL_INVOKE_ON_CANCEL; \
 925         }
 926
 927 VOID STDCALL
 928 IoSetDeviceToVerify (IN struct _ETHREAD* Thread,
 929                      IN PDEVICE_OBJECT DeviceObject);
 930 VOID
 931 STDCALL
 932 IoSetHardErrorOrVerifyDevice (
 933         IN      PIRP            Irp,
 934         IN      PDEVICE_OBJECT  DeviceObject
 935         );
 936 NTSTATUS
 937 STDCALL
 938 IoSetInformation (
 939         IN      PFILE_OBJECT            FileObject,
 940         IN      FILE_INFORMATION_CLASS  FileInformationClass,
 941         IN      ULONG                   Length,
 942         OUT     PVOID                   FileInformation
 943         );
 944
 945 #define IoSetNextIrpStackLocation(Irp) \
 946 { \
 947         (Irp)->CurrentLocation--; \
 948         (Irp)->Tail.Overlay.CurrentStackLocation--; \
 949 }
 950
 951 VOID
 952 STDCALL
 953 IoSetShareAccess (
 954         ACCESS_MASK     DesiredAccess,
 955         ULONG           DesiredShareAccess,
 956         PFILE_OBJECT    FileObject,
 957         PSHARE_ACCESS   ShareAccess
 958         );
 959 BOOLEAN
 960 STDCALL
 961 IoSetThreadHardErrorMode (
 962         IN      BOOLEAN HardErrorEnabled
 963         );
 964 VOID
 965 STDCALL
 966 IoSetTopLevelIrp (
 967         IN      PIRP    Irp
 968         );
 969
 970 /*
 971  * FUNCTION:  Determines the size of an IRP
 972  * ARGUMENTS:
 973  *           StackSize = number of stack locations in the IRP
 974  * RETURNS: The size of the IRP in bytes
 975 USHORT
 976 IoSizeOfIrp (CCHAR StackSize)
 977  */
 978 #define IoSizeOfIrp(StackSize) \
 979         ((USHORT)(sizeof(IRP)+(((StackSize)-1)*sizeof(IO_STACK_LOCATION))))
 980
 981 /* original macro */
 982 /*
 983 #define IoSizeOfIrp(StackSize) \
 984         ((USHORT)(sizeof(IRP)+((StackSize)*sizeof(IO_STACK_LOCATION))))
 985 */
 986
 987 /*
 988  * FUNCTION: Dequeues the next IRP from the device's associated queue and
 989  * calls its StartIo routine
 990  * ARGUMENTS:
 991  *          DeviceObject = Device object
 992  *          Cancelable = True if IRPs in the queue can be cancelled
 993  */
 994 VOID
 995 STDCALL
 996 IoStartNextPacket (
 997         PDEVICE_OBJECT  DeviceObject,
 998         BOOLEAN         Cancelable
 999         );
1000 VOID
1001 STDCALL
1002 IoStartNextPacketByKey (
1003         PDEVICE_OBJECT  DeviceObject,
1004         BOOLEAN         Cancelable,
1005         ULONG           Key
1006         );
1007 /*
1008  * FUNCTION: Calls the drivers StartIO routine with the IRP or queues it if
1009  * the device is busy
1010  * ARGUMENTS:
1011  *         DeviceObject = Device to pass the IRP to
1012  *         Irp = Irp to be processed
1013  *         Key = Optional value for where to insert the IRP
1014  *         CancelFunction = Entry point for a driver supplied cancel function
1015  */
1016 VOID
1017 STDCALL
1018 IoStartPacket (
1019         PDEVICE_OBJECT  DeviceObject,
1020         PIRP            Irp,
1021         PULONG          Key,
1022         PDRIVER_CANCEL  CancelFunction
1023         );
1024 VOID
1025 STDCALL
1026 IoStartTimer (
1027         PDEVICE_OBJECT  DeviceObject
1028         );
1029 VOID
1030 STDCALL
1031 IoStopTimer (
1032         PDEVICE_OBJECT  DeviceObject
1033         );
1034
1035 NTSTATUS STDCALL
1036 IoPageRead(PFILE_OBJECT         FileObject,
1037            PMDL                 Mdl,
1038            PLARGE_INTEGER       Offset,
1039            PKEVENT              Event,
1040            PIO_STATUS_BLOCK     StatusBlock);
1041
1042 NTSTATUS STDCALL
1043 IoSynchronousPageWrite (PFILE_OBJECT        FileObject,
1044                         PMDL                Mdl,
1045                         PLARGE_INTEGER      Offset,
1046                         PKEVENT             Event,
1047                         PIO_STATUS_BLOCK    StatusBlock);
1048
1049 struct _EPROCESS* STDCALL IoThreadToProcess (struct _ETHREAD*   Thread);
1050 VOID
1051 STDCALL
1052 IoUnregisterFileSystem (
1053         IN      PDEVICE_OBJECT  DeviceObject
1054         );
1055 #if (_WIN32_WINNT >= 0x0400)
1056 VOID
1057 STDCALL
1058 IoUnregisterFsRegistrationChange (
1059         IN      PDRIVER_OBJECT          DriverObject,
1060         IN      PFSDNOTIFICATIONPROC    FSDNotificationProc
1061         );
1062 #endif // (_WIN32_WINNT >= 0x0400)
1063 VOID
1064 STDCALL
1065 IoUnregisterShutdownNotification (
1066         IN      PDEVICE_OBJECT  DeviceObject
1067         );
1068 VOID
1069 STDCALL
1070 IoUpdateShareAccess (
1071         IN      PFILE_OBJECT    FileObject,
1072         IN      PSHARE_ACCESS   ShareAccess
1073         );
1074 NTSTATUS
1075 STDCALL
1076 IoVerifyVolume (
1077         IN      PDEVICE_OBJECT  DeviceObject,
1078         IN      BOOLEAN         AllowRawMount
1079         );
1080 VOID
1081 STDCALL
1082 IoWriteErrorLogEntry (
1083         PVOID   ElEntry
1084         );
1085 /*
1086  * FUNCTION: Sends an irp to the next lower driver
1087  */
1088 NTSTATUS
1089 FASTCALL
1090 IofCallDriver (
1091         PDEVICE_OBJECT  DeviceObject,
1092         PIRP            Irp
1093         );
1094 /*
1095  * FUNCTION: Indicates the caller has finished all processing for a given
1096  * I/O request and is returning the given IRP to the I/O manager
1097  * ARGUMENTS:
1098  *         Irp = Irp to be cancelled
1099  *         PriorityBoost = Increment by which to boost the priority of the
1100  *                         thread making the request
1101  */
1102 VOID
1103 FASTCALL
1104 IofCompleteRequest (
1105         PIRP    Irp,
1106         CCHAR   PriorityBoost
1107         );
1108
1109 /* --- EXPORTED BY HAL --- */
1110
1111 VOID
1112 STDCALL
1113 IoAssignDriveLetters (
1114         IN      PLOADER_PARAMETER_BLOCK LoaderBlock,
1115         IN      PSTRING                 NtDeviceName,
1116         OUT     PUCHAR                  NtSystemPath,
1117         OUT     PSTRING                 NtSystemPathString
1118         );
1119
1120 BOOLEAN
1121 STDCALL
1122 IoFlushAdapterBuffers (
1123         PADAPTER_OBJECT AdapterObject,
1124         PMDL            Mdl,
1125         PVOID           MapRegisterBase,
1126         PVOID           CurrentVa,
1127         ULONG           Length,
1128         BOOLEAN         WriteToDevice
1129         );
1130
1131 VOID
1132 STDCALL
1133 IoFreeAdapterChannel (
1134         PADAPTER_OBJECT AdapterObject
1135         );
1136
1137 VOID
1138 STDCALL
1139 IoFreeMapRegisters (
1140         PADAPTER_OBJECT AdapterObject,
1141         PVOID           MapRegisterBase,
1142         ULONG           NumberOfMapRegisters
1143         );
1144
1145 PHYSICAL_ADDRESS
1146 STDCALL
1147 IoMapTransfer (
1148         PADAPTER_OBJECT AdapterObject,
1149         PMDL            Mdl,
1150         PVOID           MapRegisterBase,
1151         PVOID           CurrentVa,
1152         PULONG          Length,
1153         BOOLEAN         WriteToDevice
1154         );
1155
1156 NTSTATUS
1157 STDCALL
1158 IoReadPartitionTable (
1159         PDEVICE_OBJECT                  DeviceObject,
1160         ULONG                           SectorSize,
1161         BOOLEAN                         ReturnedRecognizedPartitions,
1162         PDRIVE_LAYOUT_INFORMATION       * PartitionBuffer
1163         );
1164
1165 NTSTATUS
1166 STDCALL
1167 IoSetPartitionInformation (
1168         PDEVICE_OBJECT  DeviceObject,
1169         ULONG           SectorSize,
1170         ULONG           PartitionNumber,
1171         ULONG           PartitionType
1172         );
1173
1174 NTSTATUS
1175 STDCALL
1176 IoWritePartitionTable (
1177         PDEVICE_OBJECT                  DeviceObject,
1178         ULONG                           SectorSize,
1179         ULONG                           SectorsPerTrack,
1180         ULONG                           NumberOfHeads,
1181         PDRIVE_LAYOUT_INFORMATION       PartitionBuffer
1182         );
1183
1184
1185 /* --- --- --- INTERNAL or REACTOS ONLY --- --- --- */
1186
1187 /*
1188  * FUNCTION: Registers the driver with WMI
1189  * ARGUMENTS:
1190  *          DeviceObject = Device to register
1191  *          Action = Action to take
1192  * RETURNS: Status (?)
1193  */
1194 /*
1195 NTSTATUS
1196 IoWMIRegistrationControl (
1197         PDEVICE_OBJECT DeviceObject,
1198         WMIREGACTION Action);
1199 */
1200
1201 BOOLEAN
1202 IoIsTotalDeviceFailure (
1203         NTSTATUS        Status
1204         );
1205
1206
1207 #endif /* ndef _INCLUDE_DDK_IOFUNCS_H */