projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1d737c8a ZX |
1 | #ifndef __KVM_X86_MMU_H |
| 2 | #define __KVM_X86_MMU_H | |
| 3 | ||
| 4 | #include "kvm.h" | |
| 5 | ||
| 6 | static inline void kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu) | |
| 7 | { | |
| 8 | if (unlikely(vcpu->kvm->n_free_mmu_pages < KVM_MIN_FREE_MMU_PAGES)) | |
| 9 | __kvm_mmu_free_some_pages(vcpu); | |
| 10 | } | |
| 11 | ||
| 12 | static inline int kvm_mmu_reload(struct kvm_vcpu *vcpu) | |
| 13 | { | |
| 14 | if (likely(vcpu->arch.mmu.root_hpa != INVALID_PAGE)) | |
| 15 | return 0; | |
| 16 | ||
| 17 | return kvm_mmu_load(vcpu); | |
| 18 | } | |
| 19 | ||
| 20 | static inline int is_long_mode(struct kvm_vcpu *vcpu) | |
| 21 | { | |
| 22 | #ifdef CONFIG_X86_64 | |
| 23 | return vcpu->arch.shadow_efer & EFER_LME; | |
| 24 | #else | |
| 25 | return 0; | |
| 26 | #endif | |
| 27 | } | |
| 28 | ||
| 29 | static inline int is_pae(struct kvm_vcpu *vcpu) | |
| 30 | { | |
| 31 | return vcpu->arch.cr4 & X86_CR4_PAE; | |
| 32 | } | |
| 33 | ||
| 34 | static inline int is_pse(struct kvm_vcpu *vcpu) | |
| 35 | { | |
| 36 | return vcpu->arch.cr4 & X86_CR4_PSE; | |
| 37 | } | |
| 38 | ||
| 39 | static inline int is_paging(struct kvm_vcpu *vcpu) | |
| 40 | { | |
| 41 | return vcpu->arch.cr0 & X86_CR0_PG; | |
| 42 | } | |
| 43 | ||
| 44 | #endif |