1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * CPUID-related helpers/definitions
4  *
5  * Derived from arch/x86/kvm/cpuid.c
6  */
7 
8 #ifndef _ASM_X86_CPUID_H
9 #define _ASM_X86_CPUID_H
10 
cpuid_function_is_indexed(u32 function)11 static __always_inline bool cpuid_function_is_indexed(u32 function)
12 {
13 	switch (function) {
14 	case 4:
15 	case 7:
16 	case 0xb:
17 	case 0xd:
18 	case 0xf:
19 	case 0x10:
20 	case 0x12:
21 	case 0x14:
22 	case 0x17:
23 	case 0x18:
24 	case 0x1d:
25 	case 0x1e:
26 	case 0x1f:
27 	case 0x8000001d:
28 		return true;
29 	}
30 
31 	return false;
32 }
33 
34 #endif /* _ASM_X86_CPUID_H */
35