diff --git a/drivers/staging/hv/hyperv.h b/drivers/staging/hv/hyperv.h
index 93bbeab6d24d..1747a2404f6c 100644
--- a/drivers/staging/hv/hyperv.h
+++ b/drivers/staging/hv/hyperv.h
@@ -569,6 +569,11 @@ struct vmbus_channel_msginfo {
 	unsigned char msg[0];
 };
 
+struct vmbus_close_msg {
+	struct vmbus_channel_msginfo info;
+	struct vmbus_channel_close_channel msg;
+};
+
 struct vmbus_channel {
 	struct list_head listentry;
 
@@ -601,6 +606,8 @@ struct vmbus_channel {
 	spinlock_t inbound_lock;
 	struct workqueue_struct *controlwq;
 
+	struct vmbus_close_msg close_msg;
+
 	/* Channel callback are invoked in this workqueue context */
 	/* HANDLE dataWorkQueue; */