aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/kvm/x86.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kvm/x86.h')
-rw-r--r--arch/x86/kvm/x86.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 5eadea585d2a..2d101639bd8d 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -2,6 +2,7 @@
2#define ARCH_X86_KVM_X86_H 2#define ARCH_X86_KVM_X86_H
3 3
4#include <linux/kvm_host.h> 4#include <linux/kvm_host.h>
5#include "kvm_cache_regs.h"
5 6
6static inline void kvm_clear_exception_queue(struct kvm_vcpu *vcpu) 7static inline void kvm_clear_exception_queue(struct kvm_vcpu *vcpu)
7{ 8{
@@ -35,4 +36,33 @@ static inline bool kvm_exception_is_soft(unsigned int nr)
35struct kvm_cpuid_entry2 *kvm_find_cpuid_entry(struct kvm_vcpu *vcpu, 36struct kvm_cpuid_entry2 *kvm_find_cpuid_entry(struct kvm_vcpu *vcpu,
36 u32 function, u32 index); 37 u32 function, u32 index);
37 38
39static inline bool is_protmode(struct kvm_vcpu *vcpu)
40{
41 return kvm_read_cr0_bits(vcpu, X86_CR0_PE);
42}
43
44static inline int is_long_mode(struct kvm_vcpu *vcpu)
45{
46#ifdef CONFIG_X86_64
47 return vcpu->arch.efer & EFER_LMA;
48#else
49 return 0;
50#endif
51}
52
53static inline int is_pae(struct kvm_vcpu *vcpu)
54{
55 return kvm_read_cr4_bits(vcpu, X86_CR4_PAE);
56}
57
58static inline int is_pse(struct kvm_vcpu *vcpu)
59{
60 return kvm_read_cr4_bits(vcpu, X86_CR4_PSE);
61}
62
63static inline int is_paging(struct kvm_vcpu *vcpu)
64{
65 return kvm_read_cr0_bits(vcpu, X86_CR0_PG);
66}
67
38#endif 68#endif