From 1d737c8a68736db36e0aa502ace9da240704c5ae Mon Sep 17 00:00:00 2001 From: Zhang Xiantao Date: Fri, 14 Dec 2007 09:35:10 +0800 Subject: KVM: Portability: Split mmu-related static inline functions to mmu.h Since these functions need to know the details of kvm or kvm_vcpu structure, it can't be put in x86.h. Create mmu.h to hold them. Signed-off-by: Zhang Xiantao Acked-by: Carsten Otte Signed-off-by: Avi Kivity --- drivers/kvm/mmu.h | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 drivers/kvm/mmu.h (limited to 'drivers/kvm/mmu.h') diff --git a/drivers/kvm/mmu.h b/drivers/kvm/mmu.h new file mode 100644 index 000000000000..9ebfd1cafe62 --- /dev/null +++ b/drivers/kvm/mmu.h @@ -0,0 +1,44 @@ +#ifndef __KVM_X86_MMU_H +#define __KVM_X86_MMU_H + +#include "kvm.h" + +static inline void kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu) +{ + if (unlikely(vcpu->kvm->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 -- cgit v1.2.3