1381aa07aSDave Hansen #ifndef _ASM_X86_DISABLED_FEATURES_H 2381aa07aSDave Hansen #define _ASM_X86_DISABLED_FEATURES_H 3381aa07aSDave Hansen 4381aa07aSDave Hansen /* These features, although they might be available in a CPU 5381aa07aSDave Hansen * will not be used because the compile options to support 6381aa07aSDave Hansen * them are not present. 7381aa07aSDave Hansen * 8381aa07aSDave Hansen * This code allows them to be checked and disabled at 9381aa07aSDave Hansen * compile time without an explicit #ifdef. Use 10381aa07aSDave Hansen * cpu_feature_enabled(). 11381aa07aSDave Hansen */ 12381aa07aSDave Hansen 13b971880fSBabu Moger #ifdef CONFIG_X86_UMIP 143522c2a6SRicardo Neri # define DISABLE_UMIP 0 153522c2a6SRicardo Neri #else 163522c2a6SRicardo Neri # define DISABLE_UMIP (1<<(X86_FEATURE_UMIP & 31)) 173522c2a6SRicardo Neri #endif 183522c2a6SRicardo Neri 199298b815SDave Hansen #ifdef CONFIG_X86_64 209298b815SDave Hansen # define DISABLE_VME (1<<(X86_FEATURE_VME & 31)) 219298b815SDave Hansen # define DISABLE_K6_MTRR (1<<(X86_FEATURE_K6_MTRR & 31)) 229298b815SDave Hansen # define DISABLE_CYRIX_ARR (1<<(X86_FEATURE_CYRIX_ARR & 31)) 239298b815SDave Hansen # define DISABLE_CENTAUR_MCR (1<<(X86_FEATURE_CENTAUR_MCR & 31)) 24cba4671aSAndy Lutomirski # define DISABLE_PCID 0 259298b815SDave Hansen #else 269298b815SDave Hansen # define DISABLE_VME 0 279298b815SDave Hansen # define DISABLE_K6_MTRR 0 289298b815SDave Hansen # define DISABLE_CYRIX_ARR 0 299298b815SDave Hansen # define DISABLE_CENTAUR_MCR 0 30cba4671aSAndy Lutomirski # define DISABLE_PCID (1<<(X86_FEATURE_PCID & 31)) 319298b815SDave Hansen #endif /* CONFIG_X86_64 */ 329298b815SDave Hansen 33dfb4a70fSDave Hansen #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS 34dfb4a70fSDave Hansen # define DISABLE_PKU 0 35dfb4a70fSDave Hansen # define DISABLE_OSPKE 0 36e8df1a95SDave Hansen #else 37e8df1a95SDave Hansen # define DISABLE_PKU (1<<(X86_FEATURE_PKU & 31)) 38e8df1a95SDave Hansen # define DISABLE_OSPKE (1<<(X86_FEATURE_OSPKE & 31)) 39dfb4a70fSDave Hansen #endif /* CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS */ 40dfb4a70fSDave Hansen 413677d4c6SKirill A. Shutemov #ifdef CONFIG_X86_5LEVEL 423677d4c6SKirill A. Shutemov # define DISABLE_LA57 0 433677d4c6SKirill A. Shutemov #else 443677d4c6SKirill A. Shutemov # define DISABLE_LA57 (1<<(X86_FEATURE_LA57 & 31)) 453677d4c6SKirill A. Shutemov #endif 463677d4c6SKirill A. Shutemov 47a89f040fSThomas Gleixner #ifdef CONFIG_PAGE_TABLE_ISOLATION 48a89f040fSThomas Gleixner # define DISABLE_PTI 0 49a89f040fSThomas Gleixner #else 50a89f040fSThomas Gleixner # define DISABLE_PTI (1 << (X86_FEATURE_PTI & 31)) 51a89f040fSThomas Gleixner #endif 52a89f040fSThomas Gleixner 53369ae6ffSPeter Zijlstra #ifdef CONFIG_RETPOLINE 54369ae6ffSPeter Zijlstra # define DISABLE_RETPOLINE 0 55369ae6ffSPeter Zijlstra #else 56369ae6ffSPeter Zijlstra # define DISABLE_RETPOLINE ((1 << (X86_FEATURE_RETPOLINE & 31)) | \ 57f43b9876SPeter Zijlstra (1 << (X86_FEATURE_RETPOLINE_LFENCE & 31))) 58f43b9876SPeter Zijlstra #endif 59f43b9876SPeter Zijlstra 60f43b9876SPeter Zijlstra #ifdef CONFIG_RETHUNK 61f43b9876SPeter Zijlstra # define DISABLE_RETHUNK 0 62f43b9876SPeter Zijlstra #else 63f43b9876SPeter Zijlstra # define DISABLE_RETHUNK (1 << (X86_FEATURE_RETHUNK & 31)) 64f43b9876SPeter Zijlstra #endif 65f43b9876SPeter Zijlstra 66f43b9876SPeter Zijlstra #ifdef CONFIG_CPU_UNRET_ENTRY 67f43b9876SPeter Zijlstra # define DISABLE_UNRET 0 68f43b9876SPeter Zijlstra #else 69f43b9876SPeter Zijlstra # define DISABLE_UNRET (1 << (X86_FEATURE_UNRET & 31)) 70369ae6ffSPeter Zijlstra #endif 71369ae6ffSPeter Zijlstra 7280e4c1cdSThomas Gleixner #ifdef CONFIG_CALL_DEPTH_TRACKING 7380e4c1cdSThomas Gleixner # define DISABLE_CALL_DEPTH_TRACKING 0 7480e4c1cdSThomas Gleixner #else 7580e4c1cdSThomas Gleixner # define DISABLE_CALL_DEPTH_TRACKING (1 << (X86_FEATURE_CALL_DEPTH & 31)) 7680e4c1cdSThomas Gleixner #endif 7780e4c1cdSThomas Gleixner 78e0bddc19SKirill A. Shutemov #ifdef CONFIG_ADDRESS_MASKING 79e0bddc19SKirill A. Shutemov # define DISABLE_LAM 0 80e0bddc19SKirill A. Shutemov #else 81e0bddc19SKirill A. Shutemov # define DISABLE_LAM (1 << (X86_FEATURE_LAM & 31)) 82e0bddc19SKirill A. Shutemov #endif 83e0bddc19SKirill A. Shutemov 847c1ef591SFenghua Yu #ifdef CONFIG_INTEL_IOMMU_SVM 857c1ef591SFenghua Yu # define DISABLE_ENQCMD 0 867c1ef591SFenghua Yu #else 871478b99aSFenghua Yu # define DISABLE_ENQCMD (1 << (X86_FEATURE_ENQCMD & 31)) 887c1ef591SFenghua Yu #endif 891478b99aSFenghua Yu 90e7b6385bSSean Christopherson #ifdef CONFIG_X86_SGX 91e7b6385bSSean Christopherson # define DISABLE_SGX 0 92e7b6385bSSean Christopherson #else 93e7b6385bSSean Christopherson # define DISABLE_SGX (1 << (X86_FEATURE_SGX & 31)) 94e7b6385bSSean Christopherson #endif 95e7b6385bSSean Christopherson 9615e15d64SJuergen Gross #ifdef CONFIG_XEN_PV 9715e15d64SJuergen Gross # define DISABLE_XENPV 0 9815e15d64SJuergen Gross #else 9915e15d64SJuergen Gross # define DISABLE_XENPV (1 << (X86_FEATURE_XENPV & 31)) 10015e15d64SJuergen Gross #endif 10115e15d64SJuergen Gross 10259bd54a8SKuppuswamy Sathyanarayanan #ifdef CONFIG_INTEL_TDX_GUEST 10359bd54a8SKuppuswamy Sathyanarayanan # define DISABLE_TDX_GUEST 0 10459bd54a8SKuppuswamy Sathyanarayanan #else 10559bd54a8SKuppuswamy Sathyanarayanan # define DISABLE_TDX_GUEST (1 << (X86_FEATURE_TDX_GUEST & 31)) 10659bd54a8SKuppuswamy Sathyanarayanan #endif 10759bd54a8SKuppuswamy Sathyanarayanan 108701fb66dSRick Edgecombe #ifdef CONFIG_X86_USER_SHADOW_STACK 109701fb66dSRick Edgecombe #define DISABLE_USER_SHSTK 0 110701fb66dSRick Edgecombe #else 111701fb66dSRick Edgecombe #define DISABLE_USER_SHSTK (1 << (X86_FEATURE_USER_SHSTK & 31)) 112701fb66dSRick Edgecombe #endif 113701fb66dSRick Edgecombe 114a5f6c2acSRick Edgecombe #ifdef CONFIG_X86_KERNEL_IBT 115a5f6c2acSRick Edgecombe #define DISABLE_IBT 0 116a5f6c2acSRick Edgecombe #else 117a5f6c2acSRick Edgecombe #define DISABLE_IBT (1 << (X86_FEATURE_IBT & 31)) 118a5f6c2acSRick Edgecombe #endif 119a5f6c2acSRick Edgecombe 120*b6e0f666SBrijesh Singh #define DISABLE_SEV_SNP (1 << (X86_FEATURE_SEV_SNP & 31)) 121*b6e0f666SBrijesh Singh 122381aa07aSDave Hansen /* 123381aa07aSDave Hansen * Make sure to add features to the correct mask 124381aa07aSDave Hansen */ 1259298b815SDave Hansen #define DISABLED_MASK0 (DISABLE_VME) 126381aa07aSDave Hansen #define DISABLED_MASK1 0 127381aa07aSDave Hansen #define DISABLED_MASK2 0 1289298b815SDave Hansen #define DISABLED_MASK3 (DISABLE_CYRIX_ARR|DISABLE_CENTAUR_MCR|DISABLE_K6_MTRR) 129cba4671aSAndy Lutomirski #define DISABLED_MASK4 (DISABLE_PCID) 130381aa07aSDave Hansen #define DISABLED_MASK5 0 131381aa07aSDave Hansen #define DISABLED_MASK6 0 132a89f040fSThomas Gleixner #define DISABLED_MASK7 (DISABLE_PTI) 13315e15d64SJuergen Gross #define DISABLED_MASK8 (DISABLE_XENPV|DISABLE_TDX_GUEST) 134dbae0a93SBorislav Petkov #define DISABLED_MASK9 (DISABLE_SGX) 135dfb4a70fSDave Hansen #define DISABLED_MASK10 0 13680e4c1cdSThomas Gleixner #define DISABLED_MASK11 (DISABLE_RETPOLINE|DISABLE_RETHUNK|DISABLE_UNRET| \ 137701fb66dSRick Edgecombe DISABLE_CALL_DEPTH_TRACKING|DISABLE_USER_SHSTK) 138e0bddc19SKirill A. Shutemov #define DISABLED_MASK12 (DISABLE_LAM) 139dfb4a70fSDave Hansen #define DISABLED_MASK13 0 140dfb4a70fSDave Hansen #define DISABLED_MASK14 0 141dfb4a70fSDave Hansen #define DISABLED_MASK15 0 1421478b99aSFenghua Yu #define DISABLED_MASK16 (DISABLE_PKU|DISABLE_OSPKE|DISABLE_LA57|DISABLE_UMIP| \ 1431478b99aSFenghua Yu DISABLE_ENQCMD) 1446e17cb9cSDave Hansen #define DISABLED_MASK17 0 145a5f6c2acSRick Edgecombe #define DISABLED_MASK18 (DISABLE_IBT) 146*b6e0f666SBrijesh Singh #define DISABLED_MASK19 (DISABLE_SEV_SNP) 1478415a748SKim Phillips #define DISABLED_MASK20 0 1488415a748SKim Phillips #define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 21) 149381aa07aSDave Hansen 150381aa07aSDave Hansen #endif /* _ASM_X86_DISABLED_FEATURES_H */ 151