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| author | Avi Kivity <avi@qumranet.com> | 2007-10-25 16:52:32 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-01-30 18:01:20 +0200 |
| commit | b93463aa59d67b21b4921e30bd5c5dcc7c35ffbd (patch) | |
| tree | 8de9a2789624d27155d8a94c93a23c01f473fea7 /arch/x86/kvm/lapic.h | |
| parent | b209749f528488c4c0d20a42c0fbcbf49e6933b3 (diff) | |
| download | op-kernel-dev-b93463aa59d67b21b4921e30bd5c5dcc7c35ffbd.zip op-kernel-dev-b93463aa59d67b21b4921e30bd5c5dcc7c35ffbd.tar.gz | |
KVM: Accelerated apic support
This adds a mechanism for exposing the virtual apic tpr to the guest, and a
protocol for letting the guest update the tpr without causing a vmexit if
conditions allow (e.g. there is no interrupt pending with a higher priority
than the new tpr).
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86/kvm/lapic.h')
| -rw-r--r-- | arch/x86/kvm/lapic.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h index 447b654..676c396 100644 --- a/arch/x86/kvm/lapic.h +++ b/arch/x86/kvm/lapic.h @@ -18,6 +18,8 @@ struct kvm_lapic { struct kvm_vcpu *vcpu; struct page *regs_page; void *regs; + gpa_t vapic_addr; + struct page *vapic_page; }; int kvm_create_lapic(struct kvm_vcpu *vcpu); void kvm_free_lapic(struct kvm_vcpu *vcpu); @@ -41,4 +43,8 @@ int kvm_lapic_enabled(struct kvm_vcpu *vcpu); int kvm_lapic_find_highest_irr(struct kvm_vcpu *vcpu); void kvm_apic_timer_intr_post(struct kvm_vcpu *vcpu, int vec); +void kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr); +void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu); +void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu); + #endif |
