1#ifndef ARCH_X86_KVM_X86_H 2#define ARCH_X86_KVM_X86_H 3 4#include <linux/kvm_host.h> 5#include "kvm_cache_regs.h" 6 7static inline void kvm_clear_exception_queue(struct kvm_vcpu *vcpu) 8{ 9 vcpu->arch.exception.pending = false; 10} 11 12static inline void kvm_queue_interrupt(struct kvm_vcpu *vcpu, u8 vector, 13 bool soft) 14{ 15 vcpu->arch.interrupt.pending = true; 16 vcpu->arch.interrupt.soft = soft; 17 vcpu->arch.interrupt.nr = vector; 18} 19 20static inline void kvm_clear_interrupt_queue(struct kvm_vcpu *vcpu) 21{ 22 vcpu->arch.interrupt.pending = false; 23} 24 25static inline bool kvm_event_needs_reinjection(struct kvm_vcpu *vcpu) 26{ 27 return vcpu->arch.exception.pending || vcpu->arch.interrupt.pending || 28 vcpu->arch.nmi_injected; 29} 30 31static inline bool kvm_exception_is_soft(unsigned int nr) 32{ 33 return (nr == BP_VECTOR) || (nr == OF_VECTOR); 34} 35 36struct kvm_cpuid_entry2 *kvm_find_cpuid_entry(struct kvm_vcpu *vcpu, 37 u32 function, u32 index); 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 68static inline u32 bit(int bitno) 69{ 70 return 1 << (bitno & 31); 71} 72 73void kvm_before_handle_nmi(struct kvm_vcpu *vcpu); 74void kvm_after_handle_nmi(struct kvm_vcpu *vcpu); 75 76#endif 77