include/ddk/iofuncs.h

   1 #ifndef _INCLUDE_DDK_IOFUNCS_H
   2 #define _INCLUDE_DDK_IOFUNCS_H
   3 /* $Id$ */
   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
 828 VOID
 829 STDCALL
 830 IoQueueWorkItem(
 831     IN PIO_WORKITEM IoWorkItem,
 832         IN PIO_WORKITEM_ROUTINE WorkerRoutine,
 833         IN WORK_QUEUE_TYPE QueueType,
 834         IN PVOID Context
 835         );
 836
 837 VOID
 838 STDCALL
 839 IoFreeWorkItem(
 840     PIO_WORKITEM IoWorkItem
 841         );
 842
 843 PIO_WORKITEM
 844 STDCALL
 845 IoAllocateWorkItem(
 846         PDEVICE_OBJECT DeviceObject
 847         );
 848
 849 VOID
 850 STDCALL
 851 IoRaiseHardError (
 852         PIRP            Irp,
 853         PVPB            Vpb,
 854         PDEVICE_OBJECT  RealDeviceObject
 855         );
 856 BOOLEAN
 857 STDCALL
 858 IoRaiseInformationalHardError (
 859         NTSTATUS        ErrorStatus,
 860         PUNICODE_STRING String,
 861         struct _KTHREAD*        Thread
 862         );
 863 VOID
 864 STDCALL
 865 IoRegisterDriverReinitialization (
 866         PDRIVER_OBJECT          DriverObject,
 867         PDRIVER_REINITIALIZE    ReinitRoutine,
 868         PVOID                   Context
 869         );
 870 VOID
 871 STDCALL
 872 IoRegisterFileSystem (
 873         PDEVICE_OBJECT  DeviceObject
 874         );
 875 #if (_WIN32_WINNT >= 0x0400)
 876 NTSTATUS
 877 STDCALL
 878 IoRegisterFsRegistrationChange (
 879         IN      PDRIVER_OBJECT          DriverObject,
 880         IN      PFSDNOTIFICATIONPROC    FSDNotificationProc
 881         );
 882 #endif // (_WIN32_WINNT >= 0x0400)
 883 NTSTATUS
 884 STDCALL
 885 IoRegisterShutdownNotification (
 886         PDEVICE_OBJECT  DeviceObject
 887         );
 888 VOID
 889 STDCALL
 890 IoReleaseCancelSpinLock (
 891         IN      KIRQL   Irql
 892         );
 893 VOID
 894 STDCALL
 895 IoReleaseVpbSpinLock (
 896         IN      KIRQL   Irql
 897         );
 898 VOID
 899 STDCALL
 900 IoRemoveShareAccess (
 901         PFILE_OBJECT    FileObject,
 902         PSHARE_ACCESS   ShareAccess
 903         );
 904 NTSTATUS
 905 STDCALL
 906 IoReportHalResourceUsage (
 907         IN      PUNICODE_STRING         HalDescription,
 908         IN      PCM_RESOURCE_LIST       RawList,
 909         IN      PCM_RESOURCE_LIST       TranslatedList,
 910         IN      ULONG                   ListSize
 911         );
 912 NTSTATUS
 913 STDCALL
 914 IoReportResourceUsage (
 915         PUNICODE_STRING         DriverClassName,
 916         PDRIVER_OBJECT          DriverObject,
 917         PCM_RESOURCE_LIST       DriverList,
 918         ULONG                   DriverListSize,
 919         PDEVICE_OBJECT          DeviceObject,
 920         PCM_RESOURCE_LIST       DeviceList,
 921         ULONG                   DeviceListSize,
 922         BOOLEAN                 OverrideConflict,
 923         PBOOLEAN                ConflictDetected
 924         );
 925
 926 #define IoRequestDpc(DeviceObject,Irp,Context) \
 927         (KeInsertQueueDpc(&(DeviceObject)->Dpc,(Irp),(Context)))
 928
 929 #define IoSetCancelRoutine(Irp,NewCancelRoutine) \
 930         ((PDRIVER_CANCEL)InterlockedExchange((PULONG)&(Irp)->CancelRoutine, \
 931                                              (ULONG)(NewCancelRoutine)));
 932
 933 #define IoSetCompletionRoutine(Irp,Routine,Context,Success,Error,Cancel) \
 934         { \
 935                 PIO_STACK_LOCATION param; \
 936                 assert((Success)||(Error)||(Cancel)?(Routine)!=NULL:TRUE); \
 937                 param = IoGetNextIrpStackLocation((Irp)); \
 938                 param->CompletionRoutine=(Routine); \
 939                 param->CompletionContext=(Context); \
 940                 param->Control = 0; \
 941                 if ((Success)) \
 942                         param->Control = SL_INVOKE_ON_SUCCESS; \
 943                 if ((Error)) \
 944                         param->Control |= SL_INVOKE_ON_ERROR; \
 945                 if ((Cancel)) \
 946                         param->Control |= SL_INVOKE_ON_CANCEL; \
 947         }
 948
 949 VOID STDCALL
 950 IoSetDeviceToVerify (IN struct _ETHREAD* Thread,
 951                      IN PDEVICE_OBJECT DeviceObject);
 952 VOID
 953 STDCALL
 954 IoSetHardErrorOrVerifyDevice (
 955         IN      PIRP            Irp,
 956         IN      PDEVICE_OBJECT  DeviceObject
 957         );
 958 NTSTATUS
 959 STDCALL
 960 IoSetInformation (
 961         IN      PFILE_OBJECT            FileObject,
 962         IN      FILE_INFORMATION_CLASS  FileInformationClass,
 963         IN      ULONG                   Length,
 964         OUT     PVOID                   FileInformation
 965         );
 966
 967 #define IoSetNextIrpStackLocation(Irp) \
 968 { \
 969         (Irp)->CurrentLocation--; \
 970         (Irp)->Tail.Overlay.CurrentStackLocation--; \
 971 }
 972
 973 VOID
 974 STDCALL
 975 IoSetShareAccess (
 976         ACCESS_MASK     DesiredAccess,
 977         ULONG           DesiredShareAccess,
 978         PFILE_OBJECT    FileObject,
 979         PSHARE_ACCESS   ShareAccess
 980         );
 981 BOOLEAN
 982 STDCALL
 983 IoSetThreadHardErrorMode (
 984         IN      BOOLEAN HardErrorEnabled
 985         );
 986 VOID
 987 STDCALL
 988 IoSetTopLevelIrp (
 989         IN      PIRP    Irp
 990         );
 991
 992 /*
 993  * FUNCTION:  Determines the size of an IRP
 994  * ARGUMENTS:
 995  *           StackSize = number of stack locations in the IRP
 996  * RETURNS: The size of the IRP in bytes
 997 USHORT
 998 IoSizeOfIrp (CCHAR StackSize)
 999  */
1000 #define IoSizeOfIrp(StackSize) \
1001         ((USHORT)(sizeof(IRP)+(((StackSize)-1)*sizeof(IO_STACK_LOCATION))))
1002
1003 /* original macro */
1004 /*
1005 #define IoSizeOfIrp(StackSize) \
1006         ((USHORT)(sizeof(IRP)+((StackSize)*sizeof(IO_STACK_LOCATION))))
1007 */
1008
1009 /*
1010  * FUNCTION: Dequeues the next IRP from the device's associated queue and
1011  * calls its StartIo routine
1012  * ARGUMENTS:
1013  *          DeviceObject = Device object
1014  *          Cancelable = True if IRPs in the queue can be cancelled
1015  */
1016 VOID
1017 STDCALL
1018 IoStartNextPacket (
1019         PDEVICE_OBJECT  DeviceObject,
1020         BOOLEAN         Cancelable
1021         );
1022 VOID
1023 STDCALL
1024 IoStartNextPacketByKey (
1025         PDEVICE_OBJECT  DeviceObject,
1026         BOOLEAN         Cancelable,
1027         ULONG           Key
1028         );
1029 /*
1030  * FUNCTION: Calls the drivers StartIO routine with the IRP or queues it if
1031  * the device is busy
1032  * ARGUMENTS:
1033  *         DeviceObject = Device to pass the IRP to
1034  *         Irp = Irp to be processed
1035  *         Key = Optional value for where to insert the IRP
1036  *         CancelFunction = Entry point for a driver supplied cancel function
1037  */
1038 VOID
1039 STDCALL
1040 IoStartPacket (
1041         PDEVICE_OBJECT  DeviceObject,
1042         PIRP            Irp,
1043         PULONG          Key,
1044         PDRIVER_CANCEL  CancelFunction
1045         );
1046 VOID
1047 STDCALL
1048 IoStartTimer (
1049         PDEVICE_OBJECT  DeviceObject
1050         );
1051 VOID
1052 STDCALL
1053 IoStopTimer (
1054         PDEVICE_OBJECT  DeviceObject
1055         );
1056
1057 NTSTATUS STDCALL
1058 IoPageRead(PFILE_OBJECT         FileObject,
1059            PMDL                 Mdl,
1060            PLARGE_INTEGER       Offset,
1061            PKEVENT              Event,
1062            PIO_STATUS_BLOCK     StatusBlock);
1063
1064 NTSTATUS STDCALL
1065 IoSynchronousPageWrite (PFILE_OBJECT        FileObject,
1066                         PMDL                Mdl,
1067                         PLARGE_INTEGER      Offset,
1068                         PKEVENT             Event,
1069                         PIO_STATUS_BLOCK    StatusBlock);
1070
1071 struct _EPROCESS* STDCALL IoThreadToProcess (struct _ETHREAD*   Thread);
1072 VOID
1073 STDCALL
1074 IoUnregisterFileSystem (
1075         IN      PDEVICE_OBJECT  DeviceObject
1076         );
1077 #if (_WIN32_WINNT >= 0x0400)
1078 VOID
1079 STDCALL
1080 IoUnregisterFsRegistrationChange (
1081         IN      PDRIVER_OBJECT          DriverObject,
1082         IN      PFSDNOTIFICATIONPROC    FSDNotificationProc
1083         );
1084 #endif // (_WIN32_WINNT >= 0x0400)
1085 VOID
1086 STDCALL
1087 IoUnregisterShutdownNotification (
1088         IN      PDEVICE_OBJECT  DeviceObject
1089         );
1090 VOID
1091 STDCALL
1092 IoUpdateShareAccess (
1093         IN      PFILE_OBJECT    FileObject,
1094         IN      PSHARE_ACCESS   ShareAccess
1095         );
1096 NTSTATUS
1097 STDCALL
1098 IoVerifyVolume (
1099         IN      PDEVICE_OBJECT  DeviceObject,
1100         IN      BOOLEAN         AllowRawMount
1101         );
1102 VOID
1103 STDCALL
1104 IoWriteErrorLogEntry (
1105         PVOID   ElEntry
1106         );
1107 /*
1108  * FUNCTION: Sends an irp to the next lower driver
1109  */
1110 NTSTATUS
1111 FASTCALL
1112 IofCallDriver (
1113         PDEVICE_OBJECT  DeviceObject,
1114         PIRP            Irp
1115         );
1116 /*
1117  * FUNCTION: Indicates the caller has finished all processing for a given
1118  * I/O request and is returning the given IRP to the I/O manager
1119  * ARGUMENTS:
1120  *         Irp = Irp to be cancelled
1121  *         PriorityBoost = Increment by which to boost the priority of the
1122  *                         thread making the request
1123  */
1124 VOID
1125 FASTCALL
1126 IofCompleteRequest (
1127         PIRP    Irp,
1128         CCHAR   PriorityBoost
1129         );
1130
1131 /* --- EXPORTED BY HAL --- */
1132
1133 VOID
1134 STDCALL
1135 IoAssignDriveLetters (
1136         IN      PLOADER_PARAMETER_BLOCK LoaderBlock,
1137         IN      PSTRING                 NtDeviceName,
1138         OUT     PUCHAR                  NtSystemPath,
1139         OUT     PSTRING                 NtSystemPathString
1140         );
1141
1142 BOOLEAN
1143 STDCALL
1144 IoFlushAdapterBuffers (
1145         PADAPTER_OBJECT AdapterObject,
1146         PMDL            Mdl,
1147         PVOID           MapRegisterBase,
1148         PVOID           CurrentVa,
1149         ULONG           Length,
1150         BOOLEAN         WriteToDevice
1151         );
1152
1153 VOID
1154 STDCALL
1155 IoFreeAdapterChannel (
1156         PADAPTER_OBJECT AdapterObject
1157         );
1158
1159 VOID
1160 STDCALL
1161 IoFreeMapRegisters (
1162         PADAPTER_OBJECT AdapterObject,
1163         PVOID           MapRegisterBase,
1164         ULONG           NumberOfMapRegisters
1165         );
1166
1167 PHYSICAL_ADDRESS
1168 STDCALL
1169 IoMapTransfer (
1170         PADAPTER_OBJECT AdapterObject,
1171         PMDL            Mdl,
1172         PVOID           MapRegisterBase,
1173         PVOID           CurrentVa,
1174         PULONG          Length,
1175         BOOLEAN         WriteToDevice
1176         );
1177
1178 NTSTATUS
1179 STDCALL
1180 IoReadPartitionTable (
1181         PDEVICE_OBJECT                  DeviceObject,
1182         ULONG                           SectorSize,
1183         BOOLEAN                         ReturnedRecognizedPartitions,
1184         PDRIVE_LAYOUT_INFORMATION       * PartitionBuffer
1185         );
1186
1187 NTSTATUS
1188 STDCALL
1189 IoSetPartitionInformation (
1190         PDEVICE_OBJECT  DeviceObject,
1191         ULONG           SectorSize,
1192         ULONG           PartitionNumber,
1193         ULONG           PartitionType
1194         );
1195
1196 NTSTATUS
1197 STDCALL
1198 IoWritePartitionTable (
1199         PDEVICE_OBJECT                  DeviceObject,
1200         ULONG                           SectorSize,
1201         ULONG                           SectorsPerTrack,
1202         ULONG                           NumberOfHeads,
1203         PDRIVE_LAYOUT_INFORMATION       PartitionBuffer
1204         );
1205
1206
1207 /* --- --- --- INTERNAL or REACTOS ONLY --- --- --- */
1208
1209 /*
1210  * FUNCTION: Registers the driver with WMI
1211  * ARGUMENTS:
1212  *          DeviceObject = Device to register
1213  *          Action = Action to take
1214  * RETURNS: Status (?)
1215  */
1216 /*
1217 NTSTATUS
1218 IoWMIRegistrationControl (
1219         PDEVICE_OBJECT DeviceObject,
1220         WMIREGACTION Action);
1221 */
1222
1223 BOOLEAN
1224 IoIsTotalDeviceFailure (
1225         NTSTATUS        Status
1226         );
1227
1228
1229 #endif /* ndef _INCLUDE_DDK_IOFUNCS_H */