vxstd.h

PNX系列设备驱动 PNX系列设备驱动

/*----------------------------------------------------------------------------
	FILE	vxstd.h

	HISTORY	940712 Tilakraj Roy ( Updated )
----------------------------------------------------------------------------*/
#ifndef	_VXSTD_H_
#define	_VXSTD_H_

//----------------------------------------------------------------------------
//				DATA TYPES
//----------------------------------------------------------------------------
#define NEAR
#define FAR
#undef	PASCAL
#define PASCAL

//#pragma pack(1)

typedef DWORD STATUS;
#define		STATUS_SUCCESS	0
#define		STATUS_ERROR	1

#ifndef IN
#define IN
#endif

#ifndef OUT
#define OUT
#endif

#ifndef VOID
#define VOID void
typedef char CHAR;
typedef short SHORT;
typedef long LONG;
#endif

typedef unsigned char UCHAR;
typedef unsigned short USHORT;
typedef unsigned long ULONG;

//
// Pointer to Unsigned Basics
//

typedef UCHAR *PUCHAR;
typedef USHORT *PUSHORT;
typedef ULONG *PULONG;

typedef UCHAR BOOLEAN;         
typedef BOOLEAN *PBOOLEAN;     

typedef struct _LARGE_INTEGER 
{
        ULONG LowPart;
        LONG HighPart;
} LARGE_INTEGER;

typedef LARGE_INTEGER *PLARGE_INTEGER;

typedef LARGE_INTEGER PHYSICAL_ADDRESS, *PPHYSICAL_ADDRESS;

//----------------------------------------------------------------------------
//			STRUCTURES
//----------------------------------------------------------------------------


//----------------------------------------------------------------------------
//			MACROS
//----------------------------------------------------------------------------


//----------------------------------------------------------------------------
//			CONSTANTS
//----------------------------------------------------------------------------


//----------------------------------------------------------------------------
//			FUNCTIONS
//----------------------------------------------------------------------------
VOID	vxdDPCHandlerC  ( DWORD dwVMHandle, PVOID pContext, 
		PVOID pClientRegister );
BOOL	vxdIRQHandlerC(DWORD dwVMHandle, DWORD dwIRQHandle, PVOID pvContext);
STATUS	vxdDispatcher( DWORD dwVMHandle, WORD wServiceCode, WORD wMessage,
                       DWORD dwDeviceNode, WORD wDeviceID, DWORD dwParam);

VOID	vxdDPCHandlerA(VOID);
VOID	vxdIRQHandlerA(VOID);

DWORD	vxdEnterCritical ( PDWORD );
DWORD	vxdLeaveCritical ( DWORD );

DWORD	vxdPageLock(PVOID pLinear, DWORD dwSize );
VOID	vxdPageUnlock(PVOID pLinear, DWORD dwSize );
DWORD	vxdLinearToPhysical ( DWORD dwLinear );


DWORD	vxdErrorBox ( PCHAR pszCaption, PCHAR pszText );

PVOID	PsGetCurrentProcess( VOID );

PHYSICAL_ADDRESS	MmGetPhysicalAddress(
    IN PVOID BaseAddress );

VOID	MmFreeContiguousMemory(
    IN PVOID BaseAddress  );

PVOID	MmAllocateContiguousMemory(
    IN ULONG NumberOfBytes,
    IN PHYSICAL_ADDRESS HighestAcceptableAddress );

#endif // _VXSTD_H_