Metadatacopyenum _IOMMU_DMA_DOMAIN_TYPE { DomainTypeTranslate = 0,/* 0x0 */ DomainTypePassThrough = 1,/* 0x1 */ DomainTypeUnmanaged = 2,/* 0x2 */ DomainTypeTranslateS1 = 3,/* 0x3 */ DomainTypeMax = 4,/* 0x4 */};