text: #ifndef ARCH_X86_KVM_X86_H
  #define ARCH_X86_KVM_X86_H
  
  #include <linux/kvm_host.h>
  #include "kvm_cache_regs.h"
  
  static inline void kvm_clear_exception_queue(struct kvm_vcpu *vcpu)
  {
  	vcpu->arch.exception.pending = false;
  }
  
  static inline void kvm_queue_interrupt(struct kvm_vcpu *vcpu, u8 vector,
  	bool soft)
  {
  	vcpu->arch.interrupt.pending = true;
  	vcpu->arch.interrupt.soft = soft;
  	vcpu->arch.interrupt.nr = vector;
  }
  
  static inline void kvm_clear_interrupt_queue(struct kvm_vcpu *vcpu)
  {
  	vcpu->arch.interrupt.pending = false;
  }
  
  static inline bool kvm_event_needs_reinjection(struct kvm_vcpu *vcpu)
  {
  	return vcpu->arch.exception.pending || vcpu->arch.interrupt.pending ||
  		vcpu->arch.nmi_injected;
  }
  
  static inline bool kvm_exception_is_soft(unsigned int nr)
  {
  	return (nr == BP_VECTOR) || (nr == OF_VECTOR);
  }
  
  struct kvm_cpuid_entry2 *kvm_find_cpuid_entry(struct kvm_vcpu *vcpu,
                                               u32 function, u32 index);
  
  static inline bool is_protmode(struct kvm_vcpu *vcpu)
  {
  	return kvm_read_cr0_bits(vcpu, X86_CR0_PE);
  }
  
  static inline int is_long_mode(struct kvm_vcpu *vcpu)
  {
  #ifdef CONFIG_X86_64
  	return vcpu->arch.efer & EFER_LMA;
  #else
  	return 0;
  #endif
  }
  
  static inline int is_pae(struct kvm_vcpu *vcpu)
  {
  	return kvm_read_cr4_bits(vcpu, X86_CR4_PAE);
  }
  
  static inline int is_pse(struct kvm_vcpu *vcpu)
  {
  	return kvm_read_cr4_bits(vcpu, X86_CR4_PSE);
  }
  
  static inline int is_paging(struct kvm_vcpu *vcpu)
  {
  	return kvm_read_cr0_bits(vcpu, X86_CR0_PG);
  }
  
  void kvm_before_handle_nmi(struct kvm_vcpu *vcpu);
  void kvm_after_handle_nmi(struct kvm_vcpu *vcpu);
  
  #endif
  