/*
* nt_vdd.h
*
* VDD services exports and defines
*
*/
#ifndef _NT_VDD
#define _NT_VDD
/**
* IO port service prototypes and data structure definitions
**/
/** Basic typedefs of VDD IO hooks **/
typedef VOID (*PFNVDD_INB) (WORD iport,BYTE * data);
typedef VOID (*PFNVDD_INW) (WORD iport,WORD * data);
typedef VOID (*PFNVDD_INSB) (WORD iport,BYTE * data,WORD count);
typedef VOID (*PFNVDD_INSW) (WORD iport,WORD * data,WORD count);
typedef VOID (*PFNVDD_OUTB) (WORD iport,BYTE data);
typedef VOID (*PFNVDD_OUTW) (WORD iport,WORD data);
typedef VOID (*PFNVDD_OUTSB) (WORD iport,BYTE * data,WORD count);
typedef VOID (*PFNVDD_OUTSW) (WORD iport,WORD * data,WORD count);
/** Array of handlers for VDD IO hooks. **/
typedef struct _VDD_IO_HANDLERS {
PFNVDD_INB inb_handler;
PFNVDD_INW inw_handler;
PFNVDD_INSB insb_handler;
PFNVDD_INSW insw_handler;
PFNVDD_OUTB outb_handler;
PFNVDD_OUTW outw_handler;
PFNVDD_OUTSB outsb_handler;
PFNVDD_OUTSW outsw_handler;
} VDD_IO_HANDLERS, *PVDD_IO_HANDLERS;
/** Port Range structure **/
typedef struct _VDD_IO_PORTRANGE {
WORD First;
WORD Last;
} VDD_IO_PORTRANGE, *PVDD_IO_PORTRANGE;
BOOL VDDInstallIOHook (
HANDLE hVDD,
WORD cPortRange,
PVDD_IO_PORTRANGE pPortRange,
PVDD_IO_HANDLERS IOhandler
);
VOID VDDDeInstallIOHook (
HANDLE hVdd,
WORD cPortRange,
PVDD_IO_PORTRANGE pPortRange
);
WORD VDDReserveIrqLine (
HANDLE hVdd,
WORD IrqLine
);
BOOL VDDReleaseIrqLine (
HANDLE hVdd,
WORD IrqLine
);
/**
* DMA service prototypes and data structure definitions
**/
/** Buffer definition for returning DMA information **/
typedef struct _VDD_DMA_INFO {
WORD addr;
WORD count;
WORD page;
BYTE status;
BYTE mode;
BYTE mask;
} VDD_DMA_INFO, *PVDD_DMA_INFO;
/** bits for querying the DMA information **/
#define VDD_DMA_ADDR 0x01
#define VDD_DMA_COUNT 0x02
#define VDD_DMA_PAGE 0x04
#define VDD_DMA_STATUS 0x08
#define VDD_DMA_ALL VDD_DMA_ADDR | VDD_DMA_COUNT | VDD_DMA_PAGE | VDD_DMA_STATUS
DWORD VDDRequestDMA (
HANDLE hVDD,
WORD iChannel,
PVOID Buffer,
DWORD length
);
BOOL VDDSetDMA (
HANDLE hVDD,
WORD iChannel,
WORD fDMA,
PVDD_DMA_INFO Buffer
);
BOOL VDDQueryDMA (
HANDLE hVDD,
WORD iChannel,
PVDD_DMA_INFO pDmaInfo
);
/**
* Memory mapped I/O service prototypes and data structure definitions
**/
typedef VOID (*PVDD_MEMORY_HANDLER) (PVOID FaultAddress, ULONG RWMode);
BOOL VDDInstallMemoryHook (
HANDLE hVDD,
PVOID pStart,
DWORD count,
PVDD_MEMORY_HANDLER MemoryHandler
);
BOOL VDDDeInstallMemoryHook (
HANDLE hVDD,
PVOID pStart,
DWORD count
);
BOOL VDDAllocMem(
HANDLE hVDD,
PVOID Address,
DWORD Size
);
BOOL VDDFreeMem(
HANDLE hVDD,
PVOID Address,
DWORD Size
);
/**
* Misc. service prototypes and data structure definitions
**/
BOOL VDDIncludeMem(
HANDLE hVDD,
PVOID Address,
DWORD Size
);
VOID VDDTerminateVDM();
/** Basic typedefs of VDD User hooks **/
typedef VOID (*PFNVDD_UCREATE) (USHORT DosPDB);
typedef VOID (*PFNVDD_UTERMINATE) (USHORT DosPDB);
typedef VOID (*PFNVDD_UBLOCK) (VOID);
typedef VOID (*PFNVDD_URESUME) (VOID);
/** Array of handlers for VDD User hooks. **/
typedef struct _VDD_USER_HANDLERS {
HANDLE hvdd;
PFNVDD_UCREATE ucr_handler;
PFNVDD_UTERMINATE uterm_handler;
PFNVDD_UBLOCK ublock_handler;
PFNVDD_URESUME uresume_handler;
struct _VDD_USER_HANDLERS *next;
} VDD_USER_HANDLERS, *PVDD_USER_HANDLERS;
/** Function prototypes **/
BOOL VDDInstallUserHook (
HANDLE hVDD,
PFNVDD_UCREATE Ucr_Handler,
PFNVDD_UTERMINATE Uterm_Handler,
PFNVDD_UBLOCK Ublock_handler,
PFNVDD_URESUME Uresume_handler
);
BOOL VDDDeInstallUserHook (
HANDLE hVdd
);
VOID VDDTerminateUserHook(USHORT DosPDB);
VOID VDDCreateUserHook(USHORT DosPDB);
VOID VDDBlockUserHook(VOID);
VOID VDDResumeUserHook(VOID);
VOID VDDSimulate16(VOID);
SHORT VDDAllocateDosHandle(ULONG pPDB, PVOID* ppSFT, PVOID* ppJFT);
VOID VDDAssociateNtHandle(PVOID pSFT, HANDLE h32File, WORD wAccess);
BOOL VDDReleaseDosHandle (ULONG pPDB, SHORT hFile);
HANDLE VDDRetrieveNtHandle (ULONG pPDB, SHORT hFile, PVOID* ppSFT, PVOID* ppJFT);
#endif // ifndef _NT_VDD
