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#ifndef __KVM_X86_MMU_H
#define __KVM_X86_MMU_H
#include <linux/kvm_host.h>
#ifdef CONFIG_X86_64
#define TDP_ROOT_LEVEL PT64_ROOT_LEVEL
#else
#define TDP_ROOT_LEVEL PT32E_ROOT_LEVEL
#endif
static inline void kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu)
{
if (unlikely(vcpu->kvm->arch.n_free_mmu_pages < KVM_MIN_FREE_MMU_PAGES))
__kvm_mmu_free_some_pages(vcpu);
}
static inline int kvm_mmu_reload(struct kvm_vcpu *vcpu)
{
if (likely(vcpu->arch.mmu.root_hpa != INVALID_PAGE))
return 0;
return kvm_mmu_load(vcpu);
}
static inline int is_long_mode(struct kvm_vcpu *vcpu)
{
#ifdef CONFIG_X86_64
return vcpu->arch.shadow_efer & EFER_LME;
#else
return 0;
#endif
}
static inline int is_pae(struct kvm_vcpu *vcpu)
{
return vcpu->arch.cr4 & X86_CR4_PAE;
}
static inline int is_pse(struct kvm_vcpu *vcpu)
{
return vcpu->arch.cr4 & X86_CR4_PSE;
}
static inline int is_paging(struct kvm_vcpu *vcpu)
{
return vcpu->arch.cr0 & X86_CR0_PG;
}
#endif
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