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_INTEL_IOMMU_SVM
 79# define DISABLE_ENQCMD		0
 80#else
 81# define DISABLE_ENQCMD		(1 << (X86_FEATURE_ENQCMD & 31))
 82#endif
 83
 84#ifdef CONFIG_X86_SGX
 85# define DISABLE_SGX	0
 86#else
 87# define DISABLE_SGX	(1 << (X86_FEATURE_SGX & 31))
 88#endif
 89
 90#ifdef CONFIG_XEN_PV
 91# define DISABLE_XENPV		0
 92#else
 93# define DISABLE_XENPV		(1 << (X86_FEATURE_XENPV & 31))
 94#endif
 95
 96#ifdef CONFIG_INTEL_TDX_GUEST
 97# define DISABLE_TDX_GUEST	0
 98#else
 99# define DISABLE_TDX_GUEST	(1 << (X86_FEATURE_TDX_GUEST & 31))
100#endif
101
102/*
103 * Make sure to add features to the correct mask
104 */
105#define DISABLED_MASK0	(DISABLE_VME)
106#define DISABLED_MASK1	0
107#define DISABLED_MASK2	0
108#define DISABLED_MASK3	(DISABLE_CYRIX_ARR|DISABLE_CENTAUR_MCR|DISABLE_K6_MTRR)
109#define DISABLED_MASK4	(DISABLE_PCID)
110#define DISABLED_MASK5	0
111#define DISABLED_MASK6	0
112#define DISABLED_MASK7	(DISABLE_PTI)
113#define DISABLED_MASK8	(DISABLE_XENPV|DISABLE_TDX_GUEST)
114#define DISABLED_MASK9	(DISABLE_SGX)
115#define DISABLED_MASK10	0
116#define DISABLED_MASK11	(DISABLE_RETPOLINE|DISABLE_RETHUNK|DISABLE_UNRET| \
117			 DISABLE_CALL_DEPTH_TRACKING)
118#define DISABLED_MASK12	0
119#define DISABLED_MASK13	0
120#define DISABLED_MASK14	0
121#define DISABLED_MASK15	0
122#define DISABLED_MASK16	(DISABLE_PKU|DISABLE_OSPKE|DISABLE_LA57|DISABLE_UMIP| \
123			 DISABLE_ENQCMD)
124#define DISABLED_MASK17	0
125#define DISABLED_MASK18	0
126#define DISABLED_MASK19	0
127#define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 20)
128
129#endif /* _ASM_X86_DISABLED_FEATURES_H */