69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
#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);
|
|
}
|
|
|
|
#endif
|