blob: 21203d4212763a3fff6f03309106edb1e8f7f2c6 [file] [log] [blame]
Avi Kivity26eef702008-07-03 14:59:22 +03001#ifndef ARCH_X86_KVM_X86_H
2#define ARCH_X86_KVM_X86_H
3
4#include <linux/kvm_host.h>
5
6static inline void kvm_clear_exception_queue(struct kvm_vcpu *vcpu)
7{
8 vcpu->arch.exception.pending = false;
9}
10
Avi Kivity937a7ea2008-07-03 15:17:01 +030011static inline void kvm_queue_interrupt(struct kvm_vcpu *vcpu, u8 vector)
12{
13 vcpu->arch.interrupt.pending = true;
14 vcpu->arch.interrupt.nr = vector;
15}
16
17static inline void kvm_clear_interrupt_queue(struct kvm_vcpu *vcpu)
18{
19 vcpu->arch.interrupt.pending = false;
20}
21
Gleb Natapovfe4c7b12009-03-23 11:23:18 +020022static inline u8 kvm_pop_irq(struct kvm_vcpu *vcpu)
23{
24 int word_index = __ffs(vcpu->arch.irq_summary);
25 int bit_index = __ffs(vcpu->arch.irq_pending[word_index]);
26 int irq = word_index * BITS_PER_LONG + bit_index;
27
28 clear_bit(bit_index, &vcpu->arch.irq_pending[word_index]);
29 if (!vcpu->arch.irq_pending[word_index])
30 clear_bit(word_index, &vcpu->arch.irq_summary);
31 return irq;
32}
Gleb Natapov3298b752009-05-11 13:35:46 +030033
34static inline bool kvm_event_needs_reinjection(struct kvm_vcpu *vcpu)
35{
36 return vcpu->arch.exception.pending || vcpu->arch.interrupt.pending ||
37 vcpu->arch.nmi_injected;
38}
Avi Kivity26eef702008-07-03 14:59:22 +030039#endif