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      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