diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 52c23a8..6aebdfe 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -207,6 +207,7 @@
 	MLX4_EVENT_TYPE_CMD		   = 0x0a,
 	MLX4_EVENT_TYPE_VEP_UPDATE	   = 0x19,
 	MLX4_EVENT_TYPE_COMM_CHANNEL	   = 0x18,
+	MLX4_EVENT_TYPE_OP_REQUIRED	   = 0x1a,
 	MLX4_EVENT_TYPE_FATAL_WARNING	   = 0x1b,
 	MLX4_EVENT_TYPE_FLR_EVENT	   = 0x1c,
 	MLX4_EVENT_TYPE_PORT_MNG_CHG_EVENT = 0x1d,