xref: /linux/arch/x86/kvm/x86.h (revision 3eeb3288bcbf64da90afc26389b8844df7c34912)
126eef70cSAvi Kivity #ifndef ARCH_X86_KVM_X86_H
226eef70cSAvi Kivity #define ARCH_X86_KVM_X86_H
326eef70cSAvi Kivity 
426eef70cSAvi Kivity #include <linux/kvm_host.h>
5*3eeb3288SAvi Kivity #include "kvm_cache_regs.h"
626eef70cSAvi Kivity 
726eef70cSAvi Kivity static inline void kvm_clear_exception_queue(struct kvm_vcpu *vcpu)
826eef70cSAvi Kivity {
926eef70cSAvi Kivity 	vcpu->arch.exception.pending = false;
1026eef70cSAvi Kivity }
1126eef70cSAvi Kivity 
1266fd3f7fSGleb Natapov static inline void kvm_queue_interrupt(struct kvm_vcpu *vcpu, u8 vector,
1366fd3f7fSGleb Natapov 	bool soft)
14937a7eaeSAvi Kivity {
15937a7eaeSAvi Kivity 	vcpu->arch.interrupt.pending = true;
1666fd3f7fSGleb Natapov 	vcpu->arch.interrupt.soft = soft;
17937a7eaeSAvi Kivity 	vcpu->arch.interrupt.nr = vector;
18937a7eaeSAvi Kivity }
19937a7eaeSAvi Kivity 
20937a7eaeSAvi Kivity static inline void kvm_clear_interrupt_queue(struct kvm_vcpu *vcpu)
21937a7eaeSAvi Kivity {
22937a7eaeSAvi Kivity 	vcpu->arch.interrupt.pending = false;
23937a7eaeSAvi Kivity }
24937a7eaeSAvi Kivity 
253298b75cSGleb Natapov static inline bool kvm_event_needs_reinjection(struct kvm_vcpu *vcpu)
263298b75cSGleb Natapov {
273298b75cSGleb Natapov 	return vcpu->arch.exception.pending || vcpu->arch.interrupt.pending ||
283298b75cSGleb Natapov 		vcpu->arch.nmi_injected;
293298b75cSGleb Natapov }
3066fd3f7fSGleb Natapov 
3166fd3f7fSGleb Natapov static inline bool kvm_exception_is_soft(unsigned int nr)
3266fd3f7fSGleb Natapov {
3366fd3f7fSGleb Natapov 	return (nr == BP_VECTOR) || (nr == OF_VECTOR);
3466fd3f7fSGleb Natapov }
35fc61b800SGleb Natapov 
36fc61b800SGleb Natapov struct kvm_cpuid_entry2 *kvm_find_cpuid_entry(struct kvm_vcpu *vcpu,
37fc61b800SGleb Natapov                                              u32 function, u32 index);
38fc61b800SGleb Natapov 
39*3eeb3288SAvi Kivity static inline bool is_protmode(struct kvm_vcpu *vcpu)
40*3eeb3288SAvi Kivity {
41*3eeb3288SAvi Kivity 	return kvm_read_cr0_bits(vcpu, X86_CR0_PE);
42*3eeb3288SAvi Kivity }
43*3eeb3288SAvi Kivity 
4426eef70cSAvi Kivity #endif
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