diff --git a/neuralnetworks/1.2/IBurstContext.hal b/neuralnetworks/1.2/IBurstContext.hal
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+++ b/neuralnetworks/1.2/IBurstContext.hal
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2019 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.
+ */
+
+package android.hardware.neuralnetworks@1.2;
+
+/**
+ * Context object to manage the resources of a burst.
+ */
+interface IBurstContext {
+    /**
+     * freeMemory is used by the client to signal to the service that a memory
+     * buffer corresponding to a slot number is no longer needed by the client.
+     *
+     * The slot ids are unique to the burst object.
+     *
+     * @param slot Value uniquely identifying a memory region.
+     */
+    freeMemory(int32_t slot);
+};