/*
* Read pending interrupt vector and intack.
*/
int kvm_cpu_get_interrupt(struct kvm_vcpu *v)
{
int vector;
if (!lapic_in_kernel(v))
return v->arch.interrupt.nr;
vector = kvm_cpu_get_extint(v);
if (vector != -1)
return vector; /* PIC */
return kvm_get_apic_interrupt(v); /* APIC */
}
/*
* Read pending interrupt vector and intack.
*/
int kvm_cpu_get_interrupt(struct kvm_vcpu *v)
{
int vector;
if (!irqchip_in_kernel(v->kvm))
return v->arch.interrupt.nr;
vector = kvm_cpu_get_extint(v);
if (kvm_apic_vid_enabled(v->kvm) || vector != -1)
return vector; /* PIC */
return kvm_get_apic_interrupt(v); /* APIC */
}
/*
* Read pending interrupt vector and intack.
*/
int kvm_cpu_get_interrupt(struct kvm_vcpu *v)
{
struct kvm_pic *s;
int vector;
vector = kvm_get_apic_interrupt(v); /* APIC */
if (vector == -1) {
if (kvm_apic_accept_pic_intr(v)) {
s = pic_irqchip(v->kvm);
s->output = 0; /* PIC */
vector = kvm_pic_read_irq(s);
}
}
return vector;
}
