// Mouse definitions common to both mouse class and port drivers

#define IO_MOUSE_INCREMENT	6
#define MOUSE_BUFFER_SIZE	32

#define IOCTL_INTERNAL_MOUSE_CONNECT	CTL_CODE(FILE_DEVICE_MOUSE, 0x0080, METHOD_NEITHER, FILE_ANY_ACCESS)
#define IOCTL_INTERNAL_MOUSE_DISCONNECT	CTL_CODE(FILE_DEVICE_MOUSE, 0x0100, METHOD_NEITHER, FILE_ANY_ACCESS)
#define IOCTL_INTERNAL_MOUSE_ENABLE 	CTL_CODE(FILE_DEVICE_MOUSE, 0x0200, METHOD_NEITHER, FILE_ANY_ACCESS)
#define IOCTL_INTERNAL_MOUSE_DISABLE	CTL_CODE(FILE_DEVICE_MOUSE, 0x0400, METHOD_NEITHER, FILE_ANY_ACCESS)

typedef struct _MOUSE_INPUT_DATA {
	USHORT UnitId;
	USHORT Flags;
	union {
		ULONG Buttons;
		struct  {
			USHORT  ButtonFlags;
			USHORT  ButtonData;
		};
	};
	ULONG RawButtons;
	LONG LastX;
	LONG LastY;
	ULONG ExtraInformation;
} MOUSE_INPUT_DATA, *PMOUSE_INPUT_DATA;

typedef struct _CLASS_INFORMATION {
   PDEVICE_OBJECT DeviceObject;
   PVOID CallBack;
} CLASS_INFORMATION, *PCLASS_INFORMATION;

typedef struct _GDI_INFORMATION {
   PVOID CallBack;
} GDI_INFORMATION, *PGDI_INFORMATION;

typedef
VOID
(*PSERVICE_CALLBACK_ROUTINE) (
    IN PVOID NormalContext,
    IN PVOID SystemArgument1,
    IN PVOID SystemArgument2,
    IN OUT PVOID SystemArgument3
    );

typedef
VOID
(*PGDI_SERVICE_CALLBACK_ROUTINE) (
    IN PVOID SystemArgument1,
    IN ULONG SystemArgument2
    );