| 1 | #ifndef _ASM_X86_DISABLED_FEATURES_H |
|---|
| 2 | #define _ASM_X86_DISABLED_FEATURES_H |
|---|
| 3 | |
|---|
| 4 | /* These features, although they might be available in a CPU |
|---|
| 5 | * will not be used because the compile options to support |
|---|
| 6 | * them are not present. |
|---|
| 7 | * |
|---|
| 8 | * This code allows them to be checked and disabled at |
|---|
| 9 | * compile time without an explicit #ifdef. Use |
|---|
| 10 | * cpu_feature_enabled(). |
|---|
| 11 | */ |
|---|
| 12 | |
|---|
| 13 | #ifdef CONFIG_X86_UMIP |
|---|
| 14 | # define DISABLE_UMIP 0 |
|---|
| 15 | #else |
|---|
| 16 | # define DISABLE_UMIP (1<<(X86_FEATURE_UMIP & 31)) |
|---|
| 17 | #endif |
|---|
| 18 | |
|---|
| 19 | #ifdef CONFIG_X86_64 |
|---|
| 20 | # define DISABLE_VME (1<<(X86_FEATURE_VME & 31)) |
|---|
| 21 | # define DISABLE_K6_MTRR (1<<(X86_FEATURE_K6_MTRR & 31)) |
|---|
| 22 | # define DISABLE_CYRIX_ARR (1<<(X86_FEATURE_CYRIX_ARR & 31)) |
|---|
| 23 | # define DISABLE_CENTAUR_MCR (1<<(X86_FEATURE_CENTAUR_MCR & 31)) |
|---|
| 24 | # define DISABLE_PCID 0 |
|---|
| 25 | #else |
|---|
| 26 | # define DISABLE_VME 0 |
|---|
| 27 | # define DISABLE_K6_MTRR 0 |
|---|
| 28 | # define DISABLE_CYRIX_ARR 0 |
|---|
| 29 | # define DISABLE_CENTAUR_MCR 0 |
|---|
| 30 | # define DISABLE_PCID (1<<(X86_FEATURE_PCID & 31)) |
|---|
| 31 | #endif /* CONFIG_X86_64 */ |
|---|
| 32 | |
|---|
| 33 | #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS |
|---|
| 34 | # define DISABLE_PKU 0 |
|---|
| 35 | # define DISABLE_OSPKE 0 |
|---|
| 36 | #else |
|---|
| 37 | # define DISABLE_PKU (1<<(X86_FEATURE_PKU & 31)) |
|---|
| 38 | # define DISABLE_OSPKE (1<<(X86_FEATURE_OSPKE & 31)) |
|---|
| 39 | #endif /* CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS */ |
|---|
| 40 | |
|---|
| 41 | #ifdef CONFIG_X86_5LEVEL |
|---|
| 42 | # define DISABLE_LA57 0 |
|---|
| 43 | #else |
|---|
| 44 | # define DISABLE_LA57 (1<<(X86_FEATURE_LA57 & 31)) |
|---|
| 45 | #endif |
|---|
| 46 | |
|---|
| 47 | #ifdef CONFIG_PAGE_TABLE_ISOLATION |
|---|
| 48 | # define DISABLE_PTI 0 |
|---|
| 49 | #else |
|---|
| 50 | # define DISABLE_PTI (1 << (X86_FEATURE_PTI & 31)) |
|---|
| 51 | #endif |
|---|
| 52 | |
|---|
| 53 | #ifdef CONFIG_RETPOLINE |
|---|
| 54 | # define DISABLE_RETPOLINE 0 |
|---|
| 55 | #else |
|---|
| 56 | # define DISABLE_RETPOLINE ((1 << (X86_FEATURE_RETPOLINE & 31)) | \ |
|---|
| 57 | (1 << (X86_FEATURE_RETPOLINE_LFENCE & 31))) |
|---|
| 58 | #endif |
|---|
| 59 | |
|---|
| 60 | #ifdef CONFIG_RETHUNK |
|---|
| 61 | # define DISABLE_RETHUNK 0 |
|---|
| 62 | #else |
|---|
| 63 | # define DISABLE_RETHUNK (1 << (X86_FEATURE_RETHUNK & 31)) |
|---|
| 64 | #endif |
|---|
| 65 | |
|---|
| 66 | #ifdef CONFIG_CPU_UNRET_ENTRY |
|---|
| 67 | # define DISABLE_UNRET 0 |
|---|
| 68 | #else |
|---|
| 69 | # define DISABLE_UNRET (1 << (X86_FEATURE_UNRET & 31)) |
|---|
| 70 | #endif |
|---|
| 71 | |
|---|
| 72 | #ifdef CONFIG_CALL_DEPTH_TRACKING |
|---|
| 73 | # define DISABLE_CALL_DEPTH_TRACKING 0 |
|---|
| 74 | #else |
|---|
| 75 | # define DISABLE_CALL_DEPTH_TRACKING (1 << (X86_FEATURE_CALL_DEPTH & 31)) |
|---|
| 76 | #endif |
|---|
| 77 | |
|---|
| 78 | #ifdef CONFIG_ADDRESS_MASKING |
|---|
| 79 | # define DISABLE_LAM 0 |
|---|
| 80 | #else |
|---|
| 81 | # define DISABLE_LAM (1 << (X86_FEATURE_LAM & 31)) |
|---|
| 82 | #endif |
|---|
| 83 | |
|---|
| 84 | #ifdef CONFIG_INTEL_IOMMU_SVM |
|---|
| 85 | # define DISABLE_ENQCMD 0 |
|---|
| 86 | #else |
|---|
| 87 | # define DISABLE_ENQCMD (1 << (X86_FEATURE_ENQCMD & 31)) |
|---|
| 88 | #endif |
|---|
| 89 | |
|---|
| 90 | #ifdef CONFIG_X86_SGX |
|---|
| 91 | # define DISABLE_SGX 0 |
|---|
| 92 | #else |
|---|
| 93 | # define DISABLE_SGX (1 << (X86_FEATURE_SGX & 31)) |
|---|
| 94 | #endif |
|---|
| 95 | |
|---|
| 96 | #ifdef CONFIG_XEN_PV |
|---|
| 97 | # define DISABLE_XENPV 0 |
|---|
| 98 | #else |
|---|
| 99 | # define DISABLE_XENPV (1 << (X86_FEATURE_XENPV & 31)) |
|---|
| 100 | #endif |
|---|
| 101 | |
|---|
| 102 | #ifdef CONFIG_INTEL_TDX_GUEST |
|---|
| 103 | # define DISABLE_TDX_GUEST 0 |
|---|
| 104 | #else |
|---|
| 105 | # define DISABLE_TDX_GUEST (1 << (X86_FEATURE_TDX_GUEST & 31)) |
|---|
| 106 | #endif |
|---|
| 107 | |
|---|
| 108 | #ifdef CONFIG_X86_USER_SHADOW_STACK |
|---|
| 109 | #define DISABLE_USER_SHSTK 0 |
|---|
| 110 | #else |
|---|
| 111 | #define DISABLE_USER_SHSTK (1 << (X86_FEATURE_USER_SHSTK & 31)) |
|---|
| 112 | #endif |
|---|
| 113 | |
|---|
| 114 | #ifdef CONFIG_X86_KERNEL_IBT |
|---|
| 115 | #define DISABLE_IBT 0 |
|---|
| 116 | #else |
|---|
| 117 | #define DISABLE_IBT (1 << (X86_FEATURE_IBT & 31)) |
|---|
| 118 | #endif |
|---|
| 119 | |
|---|
| 120 | /* |
|---|
| 121 | * Make sure to add features to the correct mask |
|---|
| 122 | */ |
|---|
| 123 | #define DISABLED_MASK0 (DISABLE_VME) |
|---|
| 124 | #define DISABLED_MASK1 0 |
|---|
| 125 | #define DISABLED_MASK2 0 |
|---|
| 126 | #define DISABLED_MASK3 (DISABLE_CYRIX_ARR|DISABLE_CENTAUR_MCR|DISABLE_K6_MTRR) |
|---|
| 127 | #define DISABLED_MASK4 (DISABLE_PCID) |
|---|
| 128 | #define DISABLED_MASK5 0 |
|---|
| 129 | #define DISABLED_MASK6 0 |
|---|
| 130 | #define DISABLED_MASK7 (DISABLE_PTI) |
|---|
| 131 | #define DISABLED_MASK8 (DISABLE_XENPV|DISABLE_TDX_GUEST) |
|---|
| 132 | #define DISABLED_MASK9 (DISABLE_SGX) |
|---|
| 133 | #define DISABLED_MASK10 0 |
|---|
| 134 | #define DISABLED_MASK11 (DISABLE_RETPOLINE|DISABLE_RETHUNK|DISABLE_UNRET| \ |
|---|
| 135 | DISABLE_CALL_DEPTH_TRACKING|DISABLE_USER_SHSTK) |
|---|
| 136 | #define DISABLED_MASK12 (DISABLE_LAM) |
|---|
| 137 | #define DISABLED_MASK13 0 |
|---|
| 138 | #define DISABLED_MASK14 0 |
|---|
| 139 | #define DISABLED_MASK15 0 |
|---|
| 140 | #define DISABLED_MASK16 (DISABLE_PKU|DISABLE_OSPKE|DISABLE_LA57|DISABLE_UMIP| \ |
|---|
| 141 | DISABLE_ENQCMD) |
|---|
| 142 | #define DISABLED_MASK17 0 |
|---|
| 143 | #define DISABLED_MASK18 (DISABLE_IBT) |
|---|
| 144 | #define DISABLED_MASK19 0 |
|---|
| 145 | #define DISABLED_MASK20 0 |
|---|
| 146 | #define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 21) |
|---|
| 147 | |
|---|
| 148 | #endif /* _ASM_X86_DISABLED_FEATURES_H */ |
|---|
| 149 | |
|---|
