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