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KVM: Separate irq ack notification out of arch/x86/kvm/irq.c

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Moving irq ack notification logic as common, and make
it shared with ia64 side.

Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Xiantao Zhang
2008-10-06 13:48:45 +08:00
committed by Avi Kivity
parent c77fb9dc7a
commit 3de42dc094
9 changed files with 74 additions and 48 deletions
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33
arch/x86/kvm/irq.c
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@@ -99,36 +99,3 @@ void __kvm_migrate_timers(struct kvm_vcpu *vcpu)
__kvm_migrate_apic_timer(vcpu);
__kvm_migrate_pit_timer(vcpu);
}
/* This should be called with the kvm->lock mutex held */
void kvm_set_irq(struct kvm *kvm, int irq, int level)
{
/* Not possible to detect if the guest uses the PIC or the
* IOAPIC. So set the bit in both. The guest will ignore
* writes to the unused one.
*/
kvm_ioapic_set_irq(kvm->arch.vioapic, irq, level);
kvm_pic_set_irq(pic_irqchip(kvm), irq, level);
}
void kvm_notify_acked_irq(struct kvm *kvm, unsigned gsi)
{
struct kvm_irq_ack_notifier *kian;
struct hlist_node *n;
hlist_for_each_entry(kian, n, &kvm->arch.irq_ack_notifier_list, link)
if (kian->gsi == gsi)
kian->irq_acked(kian);
}
void kvm_register_irq_ack_notifier(struct kvm *kvm,
struct kvm_irq_ack_notifier *kian)
{
hlist_add_head(&kian->link, &kvm->arch.irq_ack_notifier_list);
}
void kvm_unregister_irq_ack_notifier(struct kvm *kvm,
struct kvm_irq_ack_notifier *kian)
{
hlist_del(&kian->link);
}