diff options
author | Avi Kivity <avi@qumranet.com> | 2008-07-26 17:00:59 -0300 |
---|---|---|
committer | Avi Kivity <avi@qumranet.com> | 2008-10-15 10:15:16 +0200 |
commit | 564f15378f04921d5749f27ec53d5e68a6d1d446 (patch) | |
tree | 5ba58d06003010de40989a99b920602a1e76fdf9 /arch/x86 | |
parent | 49dd2c492895828a90ecdf889e7fe9cfb40a82a7 (diff) |
KVM: Add irq ack notifier list
This can be used by kvm subsystems that are interested in when
interrupts are acked, for example time drift compensation.
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86')
-rw-r--r-- | arch/x86/kvm/irq.c | 22 | ||||
-rw-r--r-- | arch/x86/kvm/irq.h | 5 |
2 files changed, 27 insertions, 0 deletions
diff --git a/arch/x86/kvm/irq.c b/arch/x86/kvm/irq.c index 0d9e55275af..90911958d85 100644 --- a/arch/x86/kvm/irq.c +++ b/arch/x86/kvm/irq.c @@ -111,3 +111,25 @@ void kvm_set_irq(struct kvm *kvm, int irq, int level) 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); +} diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h index 07ff2aef0c1..95fe718e3ab 100644 --- a/arch/x86/kvm/irq.h +++ b/arch/x86/kvm/irq.h @@ -83,6 +83,11 @@ static inline int irqchip_in_kernel(struct kvm *kvm) void kvm_pic_reset(struct kvm_kpic_state *s); void kvm_set_irq(struct kvm *kvm, int irq, int level); +void kvm_notify_acked_irq(struct kvm *kvm, unsigned gsi); +void kvm_register_irq_ack_notifier(struct kvm *kvm, + struct kvm_irq_ack_notifier *kian); +void kvm_unregister_irq_ack_notifier(struct kvm *kvm, + struct kvm_irq_ack_notifier *kian); void kvm_timer_intr_post(struct kvm_vcpu *vcpu, int vec); void kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu); |