1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/xen/events/events_internal.h b/drivers/xen/events/events_internal.h
index 677f41a0fff9..50c2050a1e32 100644
--- a/drivers/xen/events/events_internal.h
+++ b/drivers/xen/events/events_internal.h
@@ -53,6 +53,7 @@ struct irq_info {
 
 #define PIRQ_NEEDS_EOI  (1 << 0)
 #define PIRQ_SHAREABLE  (1 << 1)
+#define PIRQ_MSI_GROUP  (1 << 2)
 
 struct evtchn_ops {
         unsigned (*max_channels)(void);