From b4f2225c07dd4d8eef7aa7f5b36a3b72c3cbbe5b Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Thu, 11 Apr 2013 19:21:37 +0800 Subject: KVM: Return destination vcpu on interrupt injection Add a new parameter to know vcpus who received the interrupt. Signed-off-by: Yang Zhang Reviewed-by: Gleb Natapov Signed-off-by: Marcelo Tosatti --- virt/kvm/ioapic.c | 2 +- virt/kvm/ioapic.h | 2 +- virt/kvm/irq_comm.c | 12 ++++++------ 3 files changed, 8 insertions(+), 8 deletions(-) (limited to 'virt') diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c index 1d8906d39214..27ae8dd64e29 100644 --- a/virt/kvm/ioapic.c +++ b/virt/kvm/ioapic.c @@ -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, diff --git a/virt/kvm/ioapic.h b/virt/kvm/ioapic.h index 87cd94bae372..761e5b57099e 100644 --- a/virt/kvm/ioapic.h +++ b/virt/kvm/ioapic.h @@ -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); diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c index e9073cf4d040..2f07d2e59a2d 100644 --- a/virt/kvm/irq_comm.c +++ b/virt/kvm/irq_comm.c @@ -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; -- cgit v1.2.3