1 #ifndef __KVM_X86_MMU_H
2 #define __KVM_X86_MMU_H
4 #include <linux/kvm_host.h>
7 #define TDP_ROOT_LEVEL PT64_ROOT_LEVEL
9 #define TDP_ROOT_LEVEL PT32E_ROOT_LEVEL
12 static inline void kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu)
14 if (unlikely(vcpu->kvm->arch.n_free_mmu_pages < KVM_MIN_FREE_MMU_PAGES))
15 __kvm_mmu_free_some_pages(vcpu);
18 static inline int kvm_mmu_reload(struct kvm_vcpu *vcpu)
20 if (likely(vcpu->arch.mmu.root_hpa != INVALID_PAGE))
23 return kvm_mmu_load(vcpu);
26 static inline int is_long_mode(struct kvm_vcpu *vcpu)
29 return vcpu->arch.shadow_efer & EFER_LME;
35 static inline int is_pae(struct kvm_vcpu *vcpu)
37 return vcpu->arch.cr4 & X86_CR4_PAE;
40 static inline int is_pse(struct kvm_vcpu *vcpu)
42 return vcpu->arch.cr4 & X86_CR4_PSE;
45 static inline int is_paging(struct kvm_vcpu *vcpu)
47 return vcpu->arch.cr0 & X86_CR0_PG;