1 /*
2  * Copyright (c) 2016, The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package android.hardware.citadel;
18 
19 interface ICitadeld {
20     /**
21      * Call into a Nugget app running on Citadel.
22      *
23      * @param app_id   The ID of the app to call.
24      * @param arg      Argument to pass to the app.
25      * @param request  Data to send to the app.
26      * @param response Buffer to receive data from the app.
27      * @return         Status code from the app.
28      */
callApp(int appId, int arg, in byte[] request, out byte[] response)29     int callApp(int appId, int arg, in byte[] request, out byte[] response);
30 
31     /** Reset Citadel by pulling the reset line. */
reset()32     boolean reset();
33 
34     /** Get cached low-power stats */
getCachedStats(out byte[] response)35     void getCachedStats(out byte[] response);
36 }
37