FileDiskShared.h

#ifndef _FILE_DISK_

#define _FILE_DISK_
#define FILE_DISK_POOL_TAG 'ksiD'
#ifndef __T
#ifdef _NTDDK_
#define __T(x) L ## x
#else
#define __T(x) x
#endif
#endif
#ifndef _T
#define _T(x) __T(x)
#endif)
#define DEVICE_BASE_NAME	_T("\\FileDisk")
#define DEVICE_DIR_NAME		_T("\\Device")	DEVICE_BASE_NAME
#define DEVICE_NAME_PREFIX	DEVICE_DIR_NAME	DEVICE_BASE_NAME

#define IOCTL_FILE_DISK_OPEN_FILE	CTL_CODE(FILE_DEVICE_DISK, 0x800, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_FILE_DISK_CLOSE_FILE	CTL_CODE(FILE_DEVICE_DISK, 0x801, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)

#define MAX_PASSWORD_SIZE 16

typedef struct _OPEN_FILE_INFORMATION {
	LARGE_INTEGER	FileSize;
	UCHAR			DriveLetter;
	USHORT			FileNameLength;
	USHORT			PasswordLength;
	CHAR			Password[MAX_PASSWORD_SIZE];
	WCHAR			FileName[1];
}OPEN_FILE_INFORMATION, *POPEN_FILE_INFORMATION;
#endif