diff --git a/tilelink/src/bundle/MessageTypes.scala b/tilelink/src/bundle/MessageTypes.scala
index 088ed23..466fcc7 100644
--- a/tilelink/src/bundle/MessageTypes.scala
+++ b/tilelink/src/bundle/MessageTypes.scala
@@ -70,6 +70,9 @@ object Param {
   object Intent {
     val PrefetchRead:  UInt = 0.U(width)
     val PrefetchWrite: UInt = 1.U(width)
+    val CBOInval:      UInt = 5.U(width)
+    val CBOClean:      UInt = 6.U(width)
+    val CBOFlush:      UInt = 7.U(width)
   }
 
   /** TileLink Spec 1.8.1 Table 31 Cap