_DMA_IOMMU_INTERFACE_EX

//0xc0 bytes (sizeof) struct _DMA_IOMMU_INTERFACE_EX { ULONGLONG Size; //0x0 ULONG Version; //0x8 union { struct _DMA_IOMMU_INTERFACE_V1 V1; //0x10 struct _DMA_IOMMU_INTERFACE_V2 V2; //0x10 }; };