diff options
Diffstat (limited to 'arch/x86/kvm/reverse_cpuid.h')
| -rw-r--r-- | arch/x86/kvm/reverse_cpuid.h | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/arch/x86/kvm/reverse_cpuid.h b/arch/x86/kvm/reverse_cpuid.h index 2f4e155080ba..fde0ae986003 100644 --- a/arch/x86/kvm/reverse_cpuid.h +++ b/arch/x86/kvm/reverse_cpuid.h @@ -7,22 +7,6 @@ #include <asm/cpufeatures.h> /* - * Hardware-defined CPUID leafs that are either scattered by the kernel or are - * unknown to the kernel, but need to be directly used by KVM. Note, these - * word values conflict with the kernel's "bug" caps, but KVM doesn't use those. - */ -enum kvm_only_cpuid_leafs { - CPUID_12_EAX = NCAPINTS, - CPUID_7_1_EDX, - CPUID_8000_0007_EDX, - CPUID_8000_0022_EAX, - CPUID_7_2_EDX, - NR_KVM_CPU_CAPS, - - NKVMCAPINTS = NR_KVM_CPU_CAPS - NCAPINTS, -}; - -/* * Define a KVM-only feature flag. * * For features that are scattered by cpufeatures.h, __feature_translate() also @@ -45,7 +29,9 @@ enum kvm_only_cpuid_leafs { #define X86_FEATURE_AVX_VNNI_INT8 KVM_X86_FEATURE(CPUID_7_1_EDX, 4) #define X86_FEATURE_AVX_NE_CONVERT KVM_X86_FEATURE(CPUID_7_1_EDX, 5) #define X86_FEATURE_AMX_COMPLEX KVM_X86_FEATURE(CPUID_7_1_EDX, 8) +#define X86_FEATURE_AVX_VNNI_INT16 KVM_X86_FEATURE(CPUID_7_1_EDX, 10) #define X86_FEATURE_PREFETCHITI KVM_X86_FEATURE(CPUID_7_1_EDX, 14) +#define X86_FEATURE_AVX10 KVM_X86_FEATURE(CPUID_7_1_EDX, 19) /* Intel-defined sub-features, CPUID level 0x00000007:2 (EDX) */ #define X86_FEATURE_INTEL_PSFD KVM_X86_FEATURE(CPUID_7_2_EDX, 0) @@ -55,6 +41,11 @@ enum kvm_only_cpuid_leafs { #define KVM_X86_FEATURE_BHI_CTRL KVM_X86_FEATURE(CPUID_7_2_EDX, 4) #define X86_FEATURE_MCDT_NO KVM_X86_FEATURE(CPUID_7_2_EDX, 5) +/* Intel-defined sub-features, CPUID level 0x00000024:0 (EBX) */ +#define X86_FEATURE_AVX10_128 KVM_X86_FEATURE(CPUID_24_0_EBX, 16) +#define X86_FEATURE_AVX10_256 KVM_X86_FEATURE(CPUID_24_0_EBX, 17) +#define X86_FEATURE_AVX10_512 KVM_X86_FEATURE(CPUID_24_0_EBX, 18) + /* CPUID level 0x80000007 (EDX). */ #define KVM_X86_FEATURE_CONSTANT_TSC KVM_X86_FEATURE(CPUID_8000_0007_EDX, 8) @@ -90,6 +81,7 @@ static const struct cpuid_reg reverse_cpuid[] = { [CPUID_8000_0021_EAX] = {0x80000021, 0, CPUID_EAX}, [CPUID_8000_0022_EAX] = {0x80000022, 0, CPUID_EAX}, [CPUID_7_2_EDX] = { 7, 2, CPUID_EDX}, + [CPUID_24_0_EBX] = { 0x24, 0, CPUID_EBX}, }; /* @@ -136,7 +128,10 @@ static __always_inline u32 __feature_translate(int x86_feature) static __always_inline u32 __feature_leaf(int x86_feature) { - return __feature_translate(x86_feature) / 32; + u32 x86_leaf = __feature_translate(x86_feature) / 32; + + reverse_cpuid_check(x86_leaf); + return x86_leaf; } /* @@ -159,7 +154,6 @@ static __always_inline struct cpuid_reg x86_feature_cpuid(unsigned int x86_featu { unsigned int x86_leaf = __feature_leaf(x86_feature); - reverse_cpuid_check(x86_leaf); return reverse_cpuid[x86_leaf]; } |