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| author | Gleb Natapov <gleb@redhat.com> | 2010-01-17 14:51:23 +0100 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2010-03-01 16:36:00 +0100 |
| commit | 10388a07164c1512b3a3d0273b9adc230f82790e (patch) | |
| tree | 1a1a5de7c0c639143fbfa4f2b01bb59bc7135882 /arch/x86/kvm/lapic.h | |
| parent | KVM: Implement bare minimum of HYPER-V MSRs (diff) | |
| download | linux-10388a07164c1512b3a3d0273b9adc230f82790e.tar.xz linux-10388a07164c1512b3a3d0273b9adc230f82790e.zip | |
KVM: Add HYPER-V apic access MSRs
Implement HYPER-V apic MSRs. Spec defines three MSRs that speed-up
access to EOI/TPR/ICR apic registers for PV guests.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Vadim Rozenfeld <vrozenfe@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/lapic.h')
| -rw-r--r-- | arch/x86/kvm/lapic.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h index 40010b09c4aa..f5fe32c5edad 100644 --- a/arch/x86/kvm/lapic.h +++ b/arch/x86/kvm/lapic.h @@ -48,4 +48,12 @@ void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu); int kvm_x2apic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data); int kvm_x2apic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data); + +int kvm_hv_vapic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data); +int kvm_hv_vapic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data); + +static inline bool kvm_hv_vapic_assist_page_enabled(struct kvm_vcpu *vcpu) +{ + return vcpu->arch.hv_vapic & HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE; +} #endif |