box_id.h

00001 /*
00002  * Copyright (c) 2016, ARM Limited, All Rights Reserved
00003  * SPDX-License-Identifier: Apache-2.0
00004  *
00005  * Licensed under the Apache License, Version 2.0 (the "License"); you may
00006  * not use this file except in compliance with the License.
00007  * You may obtain a copy of the License at
00008  *
00009  * http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
00013  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 #ifndef __UVISOR_API_BOX_ID_H__
00018 #define __UVISOR_API_BOX_ID_H__
00019 
00020 #include "api/inc/uvisor_exports.h"
00021 
00022 /* Return the numeric box ID of the current box. */
00023 UVISOR_EXTERN int uvisor_box_id_self(void);
00024 
00025 /* Return the numeric box ID of the box that is calling through the most recent
00026  * secure gateway. Return -1 if there is no secure gateway calling box. */
00027 UVISOR_EXTERN int uvisor_box_id_caller(void) UVISOR_DEPRECATED;
00028 
00029 #endif /* __UVISOR_API_BOX_ID_H__ */