virtualdisk.h

Windows DDK编写的虚拟磁盘驱动程序源代码

#ifndef _VIRTUAL_DISK_H_
#define _VIRTUAL_DISK_H_

#define DEVICE_NAME		L"\\Device\\VirtualDisk"
#define DOS_DEVICE_NAME		L"\\DosDevices\\VirtualDisk"

#define FILE_DEVICE_MY_VIRTUAL_DISK 40000

#define IOCTL_VIRTUAL_DISK_CREATE_DISK	CTL_CODE(FILE_DEVICE_MY_VIRTUAL_DISK, 0x900, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_VIRTUAL_DISK_CLOSE_DISK	CTL_CODE(FILE_DEVICE_MY_VIRTUAL_DISK, 0x901, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_VIRTUAL_DISK_QUERY_DISK	CTL_CODE(FILE_DEVICE_MY_VIRTUAL_DISK, 0x902, METHOD_BUFFERED, FILE_READ_ACCESS)

typedef struct _OPEN_FILE_INFORMATION {
	LARGE_INTEGER FileSize;
	USHORT FileNameLength;
	UCHAR FileName[1];
} OPEN_FILE_INFORMATION, * POPEN_FILE_INFORMATION;

typedef struct _DEVICE_EXTENSION {
	BOOLEAN				MediaInDevice;	/* Is there disk in the drive? */
	HANDLE				FileHandle;
	ANSI_STRING			FileName;
	LARGE_INTEGER		FileSize;
	LIST_ENTRY			ListHead;
	KSPIN_LOCK			ListLock;
	KEVENT				RequestEvent;
	PVOID				ThreadPointer;
	BOOLEAN				TerminateThread;
} DEVICE_EXTENSION, * PDEVICE_EXTENSION;

#define SECTOR_SIZE		512

#endif