//0x4 bytes (sizeof)
union _EXT_IOMMU_CREATE_DEVICE_FLAGS
{
ULONG AsUINT32; //0x0
ULONG WildCard:1; //0x0
ULONG ForceCreate:1; //0x0
ULONG LiveTraffic:1; //0x0
ULONG Reserved:29; //0x0
};