Min version	XP	2003/XP64 SP1	8 Pre RTM
Max version	7 SP1		10 TH2
Architecture	x86	x64	x86	x64
x86 offset offset:bitpos	Field Name				x64 offset offset:bitpos
0x0000	struct _KDEVICE_QUEUE_ENTRY WaitQueueEntry		struct _KDEVICE_QUEUE_ENTRY WaitQueueEntry		0x0000
0x0000			struct _LIST_ENTRY DmaWaitEntry		0x0000
0x0008			unsigned long NumberOfChannels		0x0010
0x000C:0x00			unsigned long SyncCallback		0x0014:0x00
0x000C:0x01			unsigned long DmaContext		0x0014:0x01
0x000C:0x02			unsigned long Reserved		0x0014:0x02
0x0010	function * DeviceRoutine				0x0018
0x0014	void * DeviceContext				0x0020
0x0018	unsigned long NumberOfMapRegisters				0x0028
0x001C	void * DeviceObject				0x0030
0x0020	void * CurrentIrp				0x0038
0x0024	struct _KDPC * BufferChainingDpc				0x0040