summaryrefslogtreecommitdiffstats
path: root/arch/x86/kvm/xen.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--arch/x86/kvm/xen.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/kvm/xen.h b/arch/x86/kvm/xen.h
index 532a535a9..500d9593a 100644
--- a/arch/x86/kvm/xen.h
+++ b/arch/x86/kvm/xen.h
@@ -16,6 +16,7 @@ extern struct static_key_false_deferred kvm_xen_enabled;
int __kvm_xen_has_interrupt(struct kvm_vcpu *vcpu);
void kvm_xen_inject_pending_events(struct kvm_vcpu *vcpu);
+void kvm_xen_inject_vcpu_vector(struct kvm_vcpu *vcpu);
int kvm_xen_vcpu_set_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data);
int kvm_xen_vcpu_get_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data);
int kvm_xen_hvm_set_attr(struct kvm *kvm, struct kvm_xen_hvm_attr *data);
@@ -33,6 +34,19 @@ int kvm_xen_setup_evtchn(struct kvm *kvm,
struct kvm_kernel_irq_routing_entry *e,
const struct kvm_irq_routing_entry *ue);
+static inline void kvm_xen_sw_enable_lapic(struct kvm_vcpu *vcpu)
+{
+ /*
+ * The local APIC is being enabled. If the per-vCPU upcall vector is
+ * set and the vCPU's evtchn_upcall_pending flag is set, inject the
+ * interrupt.
+ */
+ if (static_branch_unlikely(&kvm_xen_enabled.key) &&
+ vcpu->arch.xen.vcpu_info_cache.active &&
+ vcpu->arch.xen.upcall_vector && __kvm_xen_has_interrupt(vcpu))
+ kvm_xen_inject_vcpu_vector(vcpu);
+}
+
static inline bool kvm_xen_msr_enabled(struct kvm *kvm)
{
return static_branch_unlikely(&kvm_xen_enabled.key) &&
@@ -98,6 +112,10 @@ static inline void kvm_xen_destroy_vcpu(struct kvm_vcpu *vcpu)
{
}
+static inline void kvm_xen_sw_enable_lapic(struct kvm_vcpu *vcpu)
+{
+}
+
static inline bool kvm_xen_msr_enabled(struct kvm *kvm)
{
return false;