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-rw-r--r--arch/x86/kvm/mmu.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h
index 922bfae77c58..ba6a19c50f27 100644
--- a/arch/x86/kvm/mmu.h
+++ b/arch/x86/kvm/mmu.h
@@ -52,6 +52,20 @@
52 52
53int kvm_mmu_get_spte_hierarchy(struct kvm_vcpu *vcpu, u64 addr, u64 sptes[4]); 53int kvm_mmu_get_spte_hierarchy(struct kvm_vcpu *vcpu, u64 addr, u64 sptes[4]);
54void kvm_mmu_set_mmio_spte_mask(u64 mmio_mask); 54void kvm_mmu_set_mmio_spte_mask(u64 mmio_mask);
55
56/*
57 * Return values of handle_mmio_page_fault_common:
58 * RET_MMIO_PF_EMULATE: it is a real mmio page fault, emulate the instruction
59 * directly.
60 * RET_MMIO_PF_RETRY: let CPU fault again on the address.
61 * RET_MMIO_PF_BUG: bug is detected.
62 */
63enum {
64 RET_MMIO_PF_EMULATE = 1,
65 RET_MMIO_PF_RETRY = 0,
66 RET_MMIO_PF_BUG = -1
67};
68
55int handle_mmio_page_fault_common(struct kvm_vcpu *vcpu, u64 addr, bool direct); 69int handle_mmio_page_fault_common(struct kvm_vcpu *vcpu, u64 addr, bool direct);
56int kvm_init_shadow_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *context); 70int kvm_init_shadow_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *context);
57 71