fxdmatransaction.hpp File Reference

#include "fxdmatransactioncallbacks.hpp"

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Classes
class	FxDmaTransactionBase
class	FxDmaScatterGatherTransaction
class	FxDmaPacketTransaction
class	FxDmaSystemTransaction

Macros
#define	FX_STRONG_REF_TAG   0x1
#define	FX_ENCODE_POINTER(T, p, tag)   ((T*) ((ULONG_PTR) p | (ULONG_PTR) tag))
#define	FX_DECODE_POINTER(T, p, tag)   ((T*) ((ULONG_PTR) p & ~(ULONG_PTR) tag))
#define	FX_IS_POINTER_ENCODED(p, tag)   ((((ULONG_PTR) p & (ULONG_PTR) tag) == tag) ? TRUE : FALSE)
#define	UNDEFINED_DMA_COMPLETION_STATUS   ((DMA_COMPLETION_STATUS) -1)

Enumerations
enum	FxDmaTransactionState {   FxDmaTransactionStateInvalid = 0 , FxDmaTransactionStateCreated , FxDmaTransactionStateReserved , FxDmaTransactionStateInitialized ,   FxDmaTransactionStateTransfer , FxDmaTransactionStateTransferCompleted , FxDmaTransactionStateTransferFailed , FxDmaTransactionStateReleased ,   FxDmaTransactionStateDeleted }
enum	FxDmaCompletionType { FxDmaCompletionTypeFull = 1 , FxDmaCompletionTypePartial , FxDmaCompletionTypeAbort }

Functions
typedef	DECLSPEC_ALIGN (MEMORY_ALLOCATION_ALIGNMENT) UCHAR UCHAR_MEMORY_ALIGNED

Macro Definition Documentation

FX_DECODE_POINTER

#define FX_DECODE_POINTER	(		T,
			p,
			tag
	)		((T*) ((ULONG_PTR) p & ~(ULONG_PTR) tag))

Definition at line 77 of file fxdmatransaction.hpp.

FX_ENCODE_POINTER

#define FX_ENCODE_POINTER	(		T,
			p,
			tag
	)		((T*) ((ULONG_PTR) p | (ULONG_PTR) tag))

Definition at line 76 of file fxdmatransaction.hpp.

FX_IS_POINTER_ENCODED

#define FX_IS_POINTER_ENCODED	(		p,
			tag
	)		((((ULONG_PTR) p & (ULONG_PTR) tag) == tag) ? TRUE : FALSE)

Definition at line 78 of file fxdmatransaction.hpp.

FX_STRONG_REF_TAG

#define FX_STRONG_REF_TAG   0x1

Definition at line 71 of file fxdmatransaction.hpp.

UNDEFINED_DMA_COMPLETION_STATUS

#define UNDEFINED_DMA_COMPLETION_STATUS   ((DMA_COMPLETION_STATUS) -1)

Definition at line 84 of file fxdmatransaction.hpp.

Enumeration Type Documentation

FxDmaCompletionType

enum FxDmaCompletionType

Enumerator
FxDmaCompletionTypeFull
FxDmaCompletionTypePartial
FxDmaCompletionTypeAbort

Definition at line 58 of file fxdmatransaction.hpp.

                         {
    FxDmaCompletionTypeFull = 1,
    FxDmaCompletionTypePartial,
    FxDmaCompletionTypeAbort,
};

FxDmaTransactionState

enum FxDmaTransactionState

Enumerator
FxDmaTransactionStateInvalid
FxDmaTransactionStateCreated
FxDmaTransactionStateReserved
FxDmaTransactionStateInitialized
FxDmaTransactionStateTransfer
FxDmaTransactionStateTransferCompleted
FxDmaTransactionStateTransferFailed
FxDmaTransactionStateReleased
FxDmaTransactionStateDeleted

Definition at line 35 of file fxdmatransaction.hpp.

                           {
    FxDmaTransactionStateInvalid = 0,
    FxDmaTransactionStateCreated,
    FxDmaTransactionStateReserved,
    FxDmaTransactionStateInitialized,
    FxDmaTransactionStateTransfer,
    FxDmaTransactionStateTransferCompleted,
    FxDmaTransactionStateTransferFailed,
    FxDmaTransactionStateReleased,
    FxDmaTransactionStateDeleted,
};

Function Documentation

DECLSPEC_ALIGN()

typedef DECLSPEC_ALIGN

(

MEMORY_ALLOCATION_ALIGNMENT

)

Definition at line 2759 of file iotypes.h.

                                                                {
  CSHORT Type;
  USHORT Size;
  struct _MDL *MdlAddress;
  ULONG Flags;
  union {
    struct _IRP *MasterIrp;
    volatile LONG IrpCount;
    PVOID SystemBuffer;
  } AssociatedIrp;
  LIST_ENTRY ThreadListEntry;
  IO_STATUS_BLOCK IoStatus;
  KPROCESSOR_MODE RequestorMode;
  BOOLEAN PendingReturned;
  CHAR StackCount;
  CHAR CurrentLocation;
  BOOLEAN Cancel;
  KIRQL CancelIrql;
  CCHAR ApcEnvironment;
  UCHAR AllocationFlags;
  PIO_STATUS_BLOCK UserIosb;
  PKEVENT UserEvent;
  union {
    struct {
      _ANONYMOUS_UNION union {
        PIO_APC_ROUTINE UserApcRoutine;
        PVOID IssuingProcess;
      } DUMMYUNIONNAME;
      PVOID UserApcContext;
    } AsynchronousParameters;
    LARGE_INTEGER AllocationSize;
  } Overlay;
  volatile PDRIVER_CANCEL CancelRoutine;
  PVOID UserBuffer;
  union {
    struct {
      _ANONYMOUS_UNION union {
        KDEVICE_QUEUE_ENTRY DeviceQueueEntry;
        _ANONYMOUS_STRUCT struct {
          PVOID DriverContext[4];
        } DUMMYSTRUCTNAME;
      } DUMMYUNIONNAME;
      PETHREAD Thread;
      PCHAR AuxiliaryBuffer;
      _ANONYMOUS_STRUCT struct {
        LIST_ENTRY ListEntry;
        _ANONYMOUS_UNION union {
          struct _IO_STACK_LOCATION *CurrentStackLocation;
          ULONG PacketType;
        } DUMMYUNIONNAME;
      } DUMMYSTRUCTNAME;
      struct _FILE_OBJECT *OriginalFileObject;
    } Overlay;
    KAPC Apc;
    PVOID CompletionKey;
  } Tail;
} IRP, *PIRP;