1 #ifndef ARCH_X86_KVM_X86_H
2 #define ARCH_X86_KVM_X86_H
4 #include <linux/kvm_host.h>
5 #include "kvm_cache_regs.h"
7 static inline void kvm_clear_exception_queue(struct kvm_vcpu
*vcpu
)
9 vcpu
->arch
.exception
.pending
= false;
12 static inline void kvm_queue_interrupt(struct kvm_vcpu
*vcpu
, u8 vector
,
15 vcpu
->arch
.interrupt
.pending
= true;
16 vcpu
->arch
.interrupt
.soft
= soft
;
17 vcpu
->arch
.interrupt
.nr
= vector
;
20 static inline void kvm_clear_interrupt_queue(struct kvm_vcpu
*vcpu
)
22 vcpu
->arch
.interrupt
.pending
= false;
25 static inline bool kvm_event_needs_reinjection(struct kvm_vcpu
*vcpu
)
27 return vcpu
->arch
.exception
.pending
|| vcpu
->arch
.interrupt
.pending
||
28 vcpu
->arch
.nmi_injected
;
31 static inline bool kvm_exception_is_soft(unsigned int nr
)
33 return (nr
== BP_VECTOR
) || (nr
== OF_VECTOR
);
36 struct kvm_cpuid_entry2
*kvm_find_cpuid_entry(struct kvm_vcpu
*vcpu
,
37 u32 function
, u32 index
);
39 static inline bool is_protmode(struct kvm_vcpu
*vcpu
)
41 return kvm_read_cr0_bits(vcpu
, X86_CR0_PE
);
44 static inline int is_long_mode(struct kvm_vcpu
*vcpu
)
47 return vcpu
->arch
.efer
& EFER_LMA
;
53 static inline bool mmu_is_nested(struct kvm_vcpu
*vcpu
)
55 return vcpu
->arch
.walk_mmu
== &vcpu
->arch
.nested_mmu
;
58 static inline int is_pae(struct kvm_vcpu
*vcpu
)
60 return kvm_read_cr4_bits(vcpu
, X86_CR4_PAE
);
63 static inline int is_pse(struct kvm_vcpu
*vcpu
)
65 return kvm_read_cr4_bits(vcpu
, X86_CR4_PSE
);
68 static inline int is_paging(struct kvm_vcpu
*vcpu
)
70 return kvm_read_cr0_bits(vcpu
, X86_CR0_PG
);
73 static inline u32
bit(int bitno
)
75 return 1 << (bitno
& 31);
78 void kvm_before_handle_nmi(struct kvm_vcpu
*vcpu
);
79 void kvm_after_handle_nmi(struct kvm_vcpu
*vcpu
);
80 int kvm_inject_realmode_interrupt(struct kvm_vcpu
*vcpu
, int irq
);
82 void kvm_write_tsc(struct kvm_vcpu
*vcpu
, u64 data
);
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