Metadatacopystruct _IOMMU_DMA_DOMAIN_INFORMATION { enum _IOMMU_DMA_DOMAIN_TYPE DomainType;/* 0x0 4 */ enum _IOMMU_DMA_LOGICAL_ALLOCATOR_TYPE LogicalAllocatorType;/* 0x4 4 */ unsigned long SystemReservedRegionsCount;/* 0x8 4 */ /* 4 bytes padding */ struct _IOMMU_SYSTEM_RESERVED_DMA_REGION SystemReservedRegions[1];/* 0x10 24 */};