diff --git a/linkerconfig/proto/linker_config.proto b/linkerconfig/proto/linker_config.proto
new file mode 100644
index 0000000..91a5968
--- /dev/null
+++ b/linkerconfig/proto/linker_config.proto
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// This format file defines configuration file for linkerconfig. Details on this
+// format can be found from
+// https://android.googlesource.com/platform/system/linkerconfig/+/master/README.md
+
+syntax = "proto3";
+
+package android.linkerconfig.proto;
+
+message LinkerConfig {
+  // Extra permitted paths
+  repeated string permittedPaths = 1;
+
+  // Force APEX namespace visible
+  bool visible = 2;
+}