[PATCH 1/8] KVM: Introduce a callback routine for IOAPIC ack handling

[Ben-Ami Yassour]

From: Amit Shah <[EMAIL PROTECTED]>

This will be useful for acking irqs of assigned devices

Signed-off-by: Amit Shah <[EMAIL PROTECTED]>
---
 virt/kvm/ioapic.c |    3 +++
 virt/kvm/ioapic.h |    1 +
 2 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c
index c0d2287..8ce93c7 100644
--- a/virt/kvm/ioapic.c
+++ b/virt/kvm/ioapic.c
@@ -295,6 +295,9 @@ static void __kvm_ioapic_update_eoi(struct kvm_ioapic 
*ioapic, int gsi)
        ent->fields.remote_irr = 0;
        if (!ent->fields.mask && (ioapic->irr & (1 << gsi)))
                ioapic_service(ioapic, gsi);
+
+       if (ioapic->ack_notifier)
+               ioapic->ack_notifier(ioapic->kvm, gsi);
 }
 
 void kvm_ioapic_update_eoi(struct kvm *kvm, int vector)
diff --git a/virt/kvm/ioapic.h b/virt/kvm/ioapic.h
index 7f16675..a42743f 100644
--- a/virt/kvm/ioapic.h
+++ b/virt/kvm/ioapic.h
@@ -58,6 +58,7 @@ struct kvm_ioapic {
        } redirtbl[IOAPIC_NUM_PINS];
        struct kvm_io_device dev;
        struct kvm *kvm;
+       void (*ack_notifier)(void *opaque, int irq);
 };
 
 #ifdef DEBUG
-- 
1.5.6

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