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_MITIGATION_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_MITIGATION_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_MITIGATION_RETHUNK
61# define DISABLE_RETHUNK	0
62#else
63# define DISABLE_RETHUNK	(1 << (X86_FEATURE_RETHUNK & 31))
64#endif
65
66#ifdef CONFIG_MITIGATION_UNRET_ENTRY
67# define DISABLE_UNRET		0
68#else
69# define DISABLE_UNRET		(1 << (X86_FEATURE_UNRET & 31))
70#endif
71
72#ifdef CONFIG_MITIGATION_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#ifdef CONFIG_X86_FRED
121# define DISABLE_FRED	0
122#else
123# define DISABLE_FRED	(1 << (X86_FEATURE_FRED & 31))
124#endif
125
126#ifdef CONFIG_KVM_AMD_SEV
127#define DISABLE_SEV_SNP		0
128#else
129#define DISABLE_SEV_SNP		(1 << (X86_FEATURE_SEV_SNP & 31))
130#endif
131
132/*
133 * Make sure to add features to the correct mask
134 */
135#define DISABLED_MASK0	(DISABLE_VME)
136#define DISABLED_MASK1	0
137#define DISABLED_MASK2	0
138#define DISABLED_MASK3	(DISABLE_CYRIX_ARR|DISABLE_CENTAUR_MCR|DISABLE_K6_MTRR)
139#define DISABLED_MASK4	(DISABLE_PCID)
140#define DISABLED_MASK5	0
141#define DISABLED_MASK6	0
142#define DISABLED_MASK7	(DISABLE_PTI)
143#define DISABLED_MASK8	(DISABLE_XENPV|DISABLE_TDX_GUEST)
144#define DISABLED_MASK9	(DISABLE_SGX)
145#define DISABLED_MASK10	0
146#define DISABLED_MASK11	(DISABLE_RETPOLINE|DISABLE_RETHUNK|DISABLE_UNRET| \
147			 DISABLE_CALL_DEPTH_TRACKING|DISABLE_USER_SHSTK)
148#define DISABLED_MASK12	(DISABLE_FRED|DISABLE_LAM)
149#define DISABLED_MASK13	0
150#define DISABLED_MASK14	0
151#define DISABLED_MASK15	0
152#define DISABLED_MASK16	(DISABLE_PKU|DISABLE_OSPKE|DISABLE_LA57|DISABLE_UMIP| \
153			 DISABLE_ENQCMD)
154#define DISABLED_MASK17	0
155#define DISABLED_MASK18	(DISABLE_IBT)
156#define DISABLED_MASK19	(DISABLE_SEV_SNP)
157#define DISABLED_MASK20	0
158#define DISABLED_MASK21	0
159#define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 22)
160
161#endif /* _ASM_X86_DISABLED_FEATURES_H */
162