1 /*
2  * Copyright (C) 2012 Samsung Electronics Co., LTD
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 
18 #ifndef TCI_H_
19 #define TCI_H_
20 
21 typedef uint32_t tciCommandId_t;
22 typedef uint32_t tciResponseId_t;
23 typedef uint32_t tciReturnCode_t;
24 
25 /**< Responses have bit 31 set */
26 #define RSP_ID_MASK (1U << 31)
27 #define RSP_ID(cmdId) (((uint32_t)(cmdId)) | RSP_ID_MASK)
28 #define IS_CMD(cmdId) ((((uint32_t)(cmdId)) & RSP_ID_MASK) == 0)
29 #define IS_RSP(cmdId) ((((uint32_t)(cmdId)) & RSP_ID_MASK) == RSP_ID_MASK)
30 
31 /**
32  * Return codes of Trustlet commands.
33  */
34 #define RET_OK 0		/**< Set, if processing is error free */
35 #define RET_ERR_UNKNOWN_CMD 1	/**< Unknown command */
36 #define RET_CUSTOM_START 2
37 #define RET_ERR_MAP 3
38 #define RET_ERR_UNMAP 4
39 
40 /**
41  * TCI command header.
42  */
43 typedef struct {
44 	tciCommandId_t commandId;	/**< Command ID */
45 } tciCommandHeader_t;
46 
47 /**
48  * TCI response header.
49  */
50 typedef struct {
51 	tciResponseId_t responseId;	/**< Response ID (must be command ID | RSP_ID_MASK )*/
52 	tciReturnCode_t returnCode;	/**< Return code of command */
53 } tciResponseHeader_t;
54 
55 #endif // TCI_H_
56