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KVM: Return destination vcpu on interrupt injection

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Add a new parameter to know vcpus who received the interrupt.

Signed-off-by: Yang Zhang <yang.z.zhang@Intel.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Yang Zhang
2013-04-11 19:21:37 +08:00
committed by Marcelo Tosatti
parent 8dc6aade5b
commit b4f2225c07
5 changed files with 27 additions and 19 deletions
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virt/kvm/ioapic.c
+1 -1
View File
@@ -217,7 +217,7 @@ static int ioapic_deliver(struct kvm_ioapic *ioapic, int irq)
irqe.level = 1;
irqe.shorthand = 0;
return kvm_irq_delivery_to_apic(ioapic->kvm, NULL, &irqe);
return kvm_irq_delivery_to_apic(ioapic->kvm, NULL, &irqe, NULL);
}
int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int irq_source_id,
virt/kvm/ioapic.h
+1 -1
View File
@@ -92,7 +92,7 @@ int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int irq_source_id,
void kvm_ioapic_clear_all(struct kvm_ioapic *ioapic, int irq_source_id);
void kvm_ioapic_reset(struct kvm_ioapic *ioapic);
int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src,
struct kvm_lapic_irq *irq);
struct kvm_lapic_irq *irq, unsigned long *dest_map);
int kvm_get_ioapic(struct kvm *kvm, struct kvm_ioapic_state *state);
int kvm_set_ioapic(struct kvm *kvm, struct kvm_ioapic_state *state);
void kvm_ioapic_make_eoibitmap_request(struct kvm *kvm);
virt/kvm/irq_comm.c
+6 -6
View File
@@ -63,7 +63,7 @@ inline static bool kvm_is_dm_lowest_prio(struct kvm_lapic_irq *irq)
}
int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src,
struct kvm_lapic_irq *irq)
struct kvm_lapic_irq *irq, unsigned long *dest_map)
{
int i, r = -1;
struct kvm_vcpu *vcpu, *lowest = NULL;
@@ -74,7 +74,7 @@ int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src,
irq->delivery_mode = APIC_DM_FIXED;
}
if (kvm_irq_delivery_to_apic_fast(kvm, src, irq, &r))
if (kvm_irq_delivery_to_apic_fast(kvm, src, irq, &r, dest_map))
return r;
kvm_for_each_vcpu(i, vcpu, kvm) {
@@ -88,7 +88,7 @@ int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src,
if (!kvm_is_dm_lowest_prio(irq)) {
if (r < 0)
r = 0;
r += kvm_apic_set_irq(vcpu, irq);
r += kvm_apic_set_irq(vcpu, irq, dest_map);
} else if (kvm_lapic_enabled(vcpu)) {
if (!lowest)
lowest = vcpu;
@@ -98,7 +98,7 @@ int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src,
}
if (lowest)
r = kvm_apic_set_irq(lowest, irq);
r = kvm_apic_set_irq(lowest, irq, dest_map);
return r;
}
@@ -130,7 +130,7 @@ int kvm_set_msi(struct kvm_kernel_irq_routing_entry *e,
kvm_set_msi_irq(e, &irq);
return kvm_irq_delivery_to_apic(kvm, NULL, &irq);
return kvm_irq_delivery_to_apic(kvm, NULL, &irq, NULL);
}
@@ -142,7 +142,7 @@ static int kvm_set_msi_inatomic(struct kvm_kernel_irq_routing_entry *e,
kvm_set_msi_irq(e, &irq);
if (kvm_irq_delivery_to_apic_fast(kvm, NULL, &irq, &r))
if (kvm_irq_delivery_to_apic_fast(kvm, NULL, &irq, &r, NULL))
return r;
else
return -EWOULDBLOCK;