From f97314626734deaef49564a429c6f8eee3846bd3 Mon Sep 17 00:00:00 2001 From: Vitaly Kuznetsov Date: Tue, 5 Dec 2023 11:36:25 +0100 Subject: [PATCH] KVM: nVMX: Move guest_cpuid_has_evmcs() to hyperv.h In preparation for making Hyper-V emulation optional, move Hyper-V specific guest_cpuid_has_evmcs() to hyperv.h. No functional change intended. Suggested-by: Sean Christopherson Signed-off-by: Vitaly Kuznetsov Reviewed-by: Maxim Levitsky Tested-by: Jeremi Piotrowski Link: https://lore.kernel.org/r/20231205103630.1391318-12-vkuznets@redhat.com Signed-off-by: Sean Christopherson --- arch/x86/kvm/vmx/hyperv.h | 11 +++++++++++ arch/x86/kvm/vmx/vmx.h | 10 ---------- 2 files changed, 11 insertions(+), 10 deletions(-) diff --git a/arch/x86/kvm/vmx/hyperv.h b/arch/x86/kvm/vmx/hyperv.h index d4ed99008518c..6e1ee951e3606 100644 --- a/arch/x86/kvm/vmx/hyperv.h +++ b/arch/x86/kvm/vmx/hyperv.h @@ -4,6 +4,7 @@ #include #include "vmcs12.h" +#include "vmx.h" #define EVMPTR_INVALID (-1ULL) #define EVMPTR_MAP_PENDING (-2ULL) @@ -20,6 +21,16 @@ enum nested_evmptrld_status { EVMPTRLD_ERROR, }; +static inline bool guest_cpuid_has_evmcs(struct kvm_vcpu *vcpu) +{ + /* + * eVMCS is exposed to the guest if Hyper-V is enabled in CPUID and + * eVMCS has been explicitly enabled by userspace. + */ + return vcpu->arch.hyperv_enabled && + to_vmx(vcpu)->nested.enlightened_vmcs_enabled; +} + u64 nested_get_evmptr(struct kvm_vcpu *vcpu); uint16_t nested_get_evmcs_version(struct kvm_vcpu *vcpu); int nested_enable_evmcs(struct kvm_vcpu *vcpu, diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h index c2130d2c8e24b..959c6d94287fc 100644 --- a/arch/x86/kvm/vmx/vmx.h +++ b/arch/x86/kvm/vmx/vmx.h @@ -745,14 +745,4 @@ static inline bool vmx_can_use_ipiv(struct kvm_vcpu *vcpu) return lapic_in_kernel(vcpu) && enable_ipiv; } -static inline bool guest_cpuid_has_evmcs(struct kvm_vcpu *vcpu) -{ - /* - * eVMCS is exposed to the guest if Hyper-V is enabled in CPUID and - * eVMCS has been explicitly enabled by userspace. - */ - return vcpu->arch.hyperv_enabled && - to_vmx(vcpu)->nested.enlightened_vmcs_enabled; -} - #endif /* __KVM_X86_VMX_H */ -- 2.49.0