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path: root/drivers/kvm/irq.c
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Diffstat (limited to 'drivers/kvm/irq.c')
-rw-r--r--drivers/kvm/irq.c53
1 files changed, 36 insertions, 17 deletions
diff --git a/drivers/kvm/irq.c b/drivers/kvm/irq.c
index b08005ca705..0b4430a0cae 100644
--- a/drivers/kvm/irq.c
+++ b/drivers/kvm/irq.c
@@ -30,14 +30,13 @@
*/
int kvm_cpu_has_interrupt(struct kvm_vcpu *v)
{
- struct kvm_pic *s = pic_irqchip(v->kvm);
-
- if (s->output) /* PIC */
- return 1;
- /*
- * TODO: APIC
- */
- return 0;
+ struct kvm_pic *s;
+
+ if (kvm_apic_has_interrupt(v) == -1) { /* LAPIC */
+ s = pic_irqchip(v->kvm); /* PIC */
+ return s->output;
+ }
+ return 1;
}
EXPORT_SYMBOL_GPL(kvm_cpu_has_interrupt);
@@ -46,16 +45,36 @@ EXPORT_SYMBOL_GPL(kvm_cpu_has_interrupt);
*/
int kvm_cpu_get_interrupt(struct kvm_vcpu *v)
{
- struct kvm_pic *s = pic_irqchip(v->kvm);
+ struct kvm_pic *s;
int vector;
- s->output = 0;
- vector = kvm_pic_read_irq(s);
- if (vector != -1)
- return vector;
- /*
- * TODO: APIC
- */
- return -1;
+ vector = kvm_get_apic_interrupt(v); /* APIC */
+ if (vector == -1) {
+ s = pic_irqchip(v->kvm);
+ s->output = 0; /* PIC */
+ vector = kvm_pic_read_irq(s);
+ }
+ return vector;
}
EXPORT_SYMBOL_GPL(kvm_cpu_get_interrupt);
+
+static void vcpu_kick_intr(void *info)
+{
+#ifdef DEBUG
+ struct kvm_vcpu *vcpu = (struct kvm_vcpu *)info;
+ printk(KERN_DEBUG "vcpu_kick_intr %p \n", vcpu);
+#endif
+}
+
+void kvm_vcpu_kick(struct kvm_vcpu *vcpu)
+{
+ int ipi_pcpu = vcpu->cpu;
+
+ if (vcpu->guest_mode)
+ smp_call_function_single(ipi_pcpu, vcpu_kick_intr, vcpu, 0, 0);
+}
+
+void kvm_ioapic_update_eoi(struct kvm *kvm, int vector)
+{
+ /* TODO: for kernel IOAPIC */
+}