Metadatacopyunion _EXT_IOMMU_QC_PREFETCH_SETTINGS { unsigned char AsUINT8;/* 0x0 1 */ struct { unsigned char OverridePrefetchSettings : 1;/* 0x0:0 1 */ unsigned char Cpre : 1;/* 0x0:1 1 */ unsigned char DeepPrefetchLength : 2;/* 0x0:2 1 */ };/* 0x0 1 */};