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Diffstat (limited to 'arch/x86/kvm/irq_comm.c')
-rw-r--r--arch/x86/kvm/irq_comm.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/arch/x86/kvm/irq_comm.c b/arch/x86/kvm/irq_comm.c
index d5b72a08e566..6e0dab04320e 100644
--- a/arch/x86/kvm/irq_comm.c
+++ b/arch/x86/kvm/irq_comm.c
@@ -24,6 +24,7 @@
#include "hyperv.h"
#include "x86.h"
+#include "xen.h"
static int kvm_set_pic_irq(struct kvm_kernel_irq_routing_entry *e,
struct kvm *kvm, int irq_source_id, int level,
@@ -45,9 +46,9 @@ static int kvm_set_ioapic_irq(struct kvm_kernel_irq_routing_entry *e,
int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src,
struct kvm_lapic_irq *irq, struct dest_map *dest_map)
{
- int i, r = -1;
+ int r = -1;
struct kvm_vcpu *vcpu, *lowest = NULL;
- unsigned long dest_vcpu_bitmap[BITS_TO_LONGS(KVM_MAX_VCPUS)];
+ unsigned long i, dest_vcpu_bitmap[BITS_TO_LONGS(KVM_MAX_VCPUS)];
unsigned int dest_vcpus = 0;
if (kvm_irq_delivery_to_apic_fast(kvm, src, irq, &r, dest_map))
@@ -175,6 +176,13 @@ int kvm_arch_set_irq_inatomic(struct kvm_kernel_irq_routing_entry *e,
return r;
break;
+#ifdef CONFIG_KVM_XEN
+ case KVM_IRQ_ROUTING_XEN_EVTCHN:
+ if (!level)
+ return -1;
+
+ return kvm_xen_set_evtchn_fast(e, kvm);
+#endif
default:
break;
}
@@ -310,6 +318,10 @@ int kvm_set_routing_entry(struct kvm *kvm,
e->hv_sint.vcpu = ue->u.hv_sint.vcpu;
e->hv_sint.sint = ue->u.hv_sint.sint;
break;
+#ifdef CONFIG_KVM_XEN
+ case KVM_IRQ_ROUTING_XEN_EVTCHN:
+ return kvm_xen_setup_evtchn(kvm, e, ue);
+#endif
default:
return -EINVAL;
}
@@ -320,7 +332,8 @@ int kvm_set_routing_entry(struct kvm *kvm,
bool kvm_intr_is_single_vcpu(struct kvm *kvm, struct kvm_lapic_irq *irq,
struct kvm_vcpu **dest_vcpu)
{
- int i, r = 0;
+ int r = 0;
+ unsigned long i;
struct kvm_vcpu *vcpu;
if (kvm_intr_is_single_vcpu_fast(kvm, irq, dest_vcpu))