2007-12-13 20:35:10 -05:00
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#ifndef __KVM_X86_MMU_H
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#define __KVM_X86_MMU_H
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2007-12-16 04:02:48 -05:00
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#include <linux/kvm_host.h>
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2007-12-13 20:35:10 -05:00
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2008-02-07 07:47:44 -05:00
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#ifdef CONFIG_X86_64
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#define TDP_ROOT_LEVEL PT64_ROOT_LEVEL
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#else
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#define TDP_ROOT_LEVEL PT32E_ROOT_LEVEL
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#endif
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2007-12-13 20:35:10 -05:00
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static inline void kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu)
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{
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2007-12-13 21:01:48 -05:00
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if (unlikely(vcpu->kvm->arch.n_free_mmu_pages < KVM_MIN_FREE_MMU_PAGES))
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2007-12-13 20:35:10 -05:00
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__kvm_mmu_free_some_pages(vcpu);
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}
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static inline int kvm_mmu_reload(struct kvm_vcpu *vcpu)
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{
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if (likely(vcpu->arch.mmu.root_hpa != INVALID_PAGE))
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return 0;
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return kvm_mmu_load(vcpu);
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}
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static inline int is_long_mode(struct kvm_vcpu *vcpu)
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{
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#ifdef CONFIG_X86_64
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return vcpu->arch.shadow_efer & EFER_LME;
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#else
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return 0;
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#endif
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}
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static inline int is_pae(struct kvm_vcpu *vcpu)
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{
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return vcpu->arch.cr4 & X86_CR4_PAE;
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}
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static inline int is_pse(struct kvm_vcpu *vcpu)
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{
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return vcpu->arch.cr4 & X86_CR4_PSE;
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}
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static inline int is_paging(struct kvm_vcpu *vcpu)
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{
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return vcpu->arch.cr0 & X86_CR0_PG;
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}
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#endif
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