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KVM: MMU: Add infrastructure for two-level page walker

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This patch introduces a mmu-callback to translate gpa
addresses in the walk_addr code. This is later used to
translate l2_gpa addresses into l1_gpa addresses.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Joerg Roedel
2010-09-10 17:30:48 +02:00
committed by Avi Kivity
parent 1e301feb07
commit c30a358d33
3 changed files with 12 additions and 0 deletions
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arch/x86/include/asm/kvm_host.h
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@@ -243,6 +243,7 @@ struct kvm_mmu {
void (*free)(struct kvm_vcpu *vcpu);
gpa_t (*gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t gva, u32 access,
u32 *error);
gpa_t (*translate_gpa)(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access);
void (*prefetch_page)(struct kvm_vcpu *vcpu,
struct kvm_mmu_page *page);
int (*sync_page)(struct kvm_vcpu *vcpu,