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//0x34 bytes (sizeof)
struct _DMA_IOMMU_INTERFACE
{
    ULONG Version;                                                          //0x0
    LONG (*CreateDomain)(UCHAR arg1, struct _IOMMU_DMA_DOMAIN** arg2);      //0x4
    LONG (*DeleteDomain)(struct _IOMMU_DMA_DOMAIN* arg1);                   //0x8
    LONG (*AttachDevice)(struct _IOMMU_DMA_DOMAIN* arg1, struct _DEVICE_OBJECT* arg2, ULONG arg3, ULONG arg4); //0xc
    LONG (*DetachDevice)(struct _IOMMU_DMA_DOMAIN* arg1, struct _DEVICE_OBJECT* arg2, ULONG arg3); //0x10
    LONG (*ConfigureDomain)(struct _IOMMU_DMA_DOMAIN* arg1, struct _DOMAIN_CONFIGURATION* arg2); //0x14
    LONG (*FlushDomain)(struct _IOMMU_DMA_DOMAIN* arg1);                    //0x18
    LONG (*FlushDomainByVaList)(struct _IOMMU_DMA_DOMAIN* arg1, UCHAR arg2, ULONG arg3, VOID* arg4); //0x1c
    LONG (*QueryInputMappings)(struct _DEVICE_OBJECT* arg1, struct _INPUT_MAPPING_ELEMENT* arg2, ULONG arg3, ULONG* arg4); //0x20
    LONG (*MapLogicalRange)(struct _IOMMU_DMA_DOMAIN* arg1, ULONG arg2, struct _MDL* arg3, ULONGLONG arg4); //0x24
    LONG (*UnmapLogicalRange)(struct _IOMMU_DMA_DOMAIN* arg1, ULONGLONG arg2, ULONGLONG arg3); //0x28
    LONG (*MapIdentityRange)(struct _IOMMU_DMA_DOMAIN* arg1, ULONG arg2, struct _MDL* arg3); //0x2c
    LONG (*UnmapIdentityRange)(struct _IOMMU_DMA_DOMAIN* arg1, struct _MDL* arg2); //0x30
};