diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 2330f08..efda23c 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -1061,6 +1061,8 @@ extern int vmbus_establish_gpadl(struct vmbus_channel *channel,
 extern int vmbus_teardown_gpadl(struct vmbus_channel *channel,
 				     u32 gpadl_handle);
 
+void vmbus_reset_channel_cb(struct vmbus_channel *channel);
+
 extern int vmbus_recvpacket(struct vmbus_channel *channel,
 				  void *buffer,
 				  u32 bufferlen,