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//0x10 bytes (sizeof)
struct _EXT_IOMMU_S1_X64_DOMAIN_SETTINGS
{
    struct
    {
        UCHAR EnableTranslation:1;                                          //0x0
        UCHAR Reserved:7;                                                   //0x0
    } Flags;                                                                //0x0
    VOID* PasidTable;                                                       //0x8
};