diff options
author | Avi Kivity <avi@qumranet.com> | 2007-12-16 12:02:48 +0300 |
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committer | Avi Kivity <avi@qumranet.com> | 2008-01-30 19:01:18 +0300 |
commit | edf884172e9828c6234b254208af04655855038d (patch) | |
tree | f5e5d1eecaed9737eced6ba60d09fe93149751c1 /arch/x86/kvm/mmu.h | |
parent | 9584bf2c93f56656dba0de8f6c75b54ca7995143 (diff) | |
download | linux-edf884172e9828c6234b254208af04655855038d.tar.xz |
KVM: Move arch dependent files to new directory arch/x86/kvm/
This paves the way for multiple architecture support. Note that while
ioapic.c could potentially be shared with ia64, it is also moved.
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86/kvm/mmu.h')
-rw-r--r-- | arch/x86/kvm/mmu.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h new file mode 100644 index 000000000000..1fce19ec7a23 --- /dev/null +++ b/arch/x86/kvm/mmu.h @@ -0,0 +1,44 @@ +#ifndef __KVM_X86_MMU_H +#define __KVM_X86_MMU_H + +#include <linux/kvm_host.h> + +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 |