These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / x86 / kvm / mmu.h

diff --git a/kernel/arch/x86/kvm/mmu.h b/kernel/arch/x86/kvm/mmu.h
index 0ada65e..55ffb7b 100644 (file)
--- a/kernel/arch/x86/kvm/mmu.h
+++ b/kernel/arch/x86/kvm/mmu.h
@@ -43,23 +43,26 @@
 #define PT_PDPE_LEVEL 3
 #define PT_DIRECTORY_LEVEL 2
 #define PT_PAGE_TABLE_LEVEL 1
+#define PT_MAX_HUGEPAGE_LEVEL (PT_PAGE_TABLE_LEVEL + KVM_NR_PAGE_SIZES - 1)
 
 static inline u64 rsvd_bits(int s, int e)
 {
        return ((1ULL << (e - s + 1)) - 1) << s;
 }
 
-int kvm_mmu_get_spte_hierarchy(struct kvm_vcpu *vcpu, u64 addr, u64 sptes[4]);
 void kvm_mmu_set_mmio_spte_mask(u64 mmio_mask);
 
+void
+reset_shadow_zero_bits_mask(struct kvm_vcpu *vcpu, struct kvm_mmu *context);
+
 /*
- * Return values of handle_mmio_page_fault_common:
+ * Return values of handle_mmio_page_fault:
  * RET_MMIO_PF_EMULATE: it is a real mmio page fault, emulate the instruction
  *                     directly.
  * RET_MMIO_PF_INVALID: invalid spte is detected then let the real page
  *                     fault path update the mmio spte.
  * RET_MMIO_PF_RETRY: let CPU fault again on the address.
- * RET_MMIO_PF_BUG: bug is detected.
+ * RET_MMIO_PF_BUG: a bug was detected (and a WARN was printed).
  */
 enum {
        RET_MMIO_PF_EMULATE = 1,
@@ -68,7 +71,7 @@ enum {
        RET_MMIO_PF_BUG = -1
 };
 
-int handle_mmio_page_fault_common(struct kvm_vcpu *vcpu, u64 addr, bool direct);
+int handle_mmio_page_fault(struct kvm_vcpu *vcpu, u64 addr, bool direct);
 void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu);
 void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, bool execonly);
 
@@ -170,4 +173,5 @@ static inline bool permission_fault(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
 }
 
 void kvm_mmu_invalidate_zap_all_pages(struct kvm *kvm);
+void kvm_zap_gfn_range(struct kvm *kvm, gfn_t gfn_start, gfn_t gfn_end);
 #endif