diff options
Diffstat (limited to 'arch/x86/kvm/svm')
-rw-r--r-- | arch/x86/kvm/svm/sev.c | 8 | ||||
-rw-r--r-- | arch/x86/kvm/svm/svm.c | 3 | ||||
-rw-r--r-- | arch/x86/kvm/svm/svm.h | 1 |
3 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index d7088a1d4de6..055aedec2f64 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -1807,6 +1807,14 @@ void sev_vm_destroy(struct kvm *kvm) sev_asid_free(sev); } +void __init sev_set_cpu_caps(void) +{ + if (!sev) + kvm_cpu_cap_clear(X86_FEATURE_SEV); + if (!sev_es) + kvm_cpu_cap_clear(X86_FEATURE_SEV_ES); +} + void __init sev_hardware_setup(void) { unsigned int eax, ebx, ecx, edx, sev_asid_count, sev_es_asid_count; diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index cbddcdb18d97..eed6f9455e1b 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -923,6 +923,9 @@ static __init void svm_set_cpu_caps(void) if (boot_cpu_has(X86_FEATURE_LS_CFG_SSBD) || boot_cpu_has(X86_FEATURE_AMD_SSBD)) kvm_cpu_cap_set(X86_FEATURE_VIRT_SSBD); + + /* CPUID 0x8000001F (SME/SEV features) */ + sev_set_cpu_caps(); } static __init int svm_hardware_setup(void) diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index afc3166c9027..81894fd649bd 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -575,6 +575,7 @@ int svm_unregister_enc_region(struct kvm *kvm, struct kvm_enc_region *range); int svm_vm_copy_asid_from(struct kvm *kvm, unsigned int source_fd); void pre_sev_run(struct vcpu_svm *svm, int cpu); +void __init sev_set_cpu_caps(void); void __init sev_hardware_setup(void); void sev_hardware_teardown(void); void sev_free_vcpu(struct kvm_vcpu *vcpu); |