2025-04-27 07:49:33 -04:00

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C

/*++ BUILD Version: 0001
*
* MVDM v1.0
*
* Copyright (c) 1991, Microsoft Corporation
*
* nt_vddp.h
* private defines for Installable VDDs
*
* History:
* 27-Aug-1992 Sudeep Bharati (sudeepb)
* Created.
--*/
#define MAX_CLASS_LEN 32
typedef ULONG (*VDDPROC)();
extern VOID DispatchPageFault (ULONG,ULONG);
typedef struct _MEM_HOOK_DATA {
DWORD StartAddr;
DWORD Count;
HANDLE hvdd;
PVDD_MEMORY_HANDLER MemHandler;
struct _MEM_HOOK_DATA *next;
} MEM_HOOK_DATA, *PMEM_HOOK_DATA;
// These are the ports which we may handle directly in kernel.
// If a VDD hooks such a port we will makw sure that kernel
// does'nt handle it.
#define LPT1_PORT_STATUS 0x3bd
#define LPT2_PORT_STATUS 0x379
#define LPT3_PORT_STATUS 0x279