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