_IOMMU_DMA_RESERVED_REGION

//0x20 bytes (sizeof) struct _IOMMU_DMA_RESERVED_REGION { struct _IOMMU_DMA_RESERVED_REGION* RegionNext; //0x0 ULONGLONG Base; //0x8 ULONGLONG NumberOfPages; //0x10 UCHAR ShouldMap; //0x18 };