/*
 * Copyright (c) 2013 TRUSTONIC LIMITED
 * All rights reserved
 *
 * The present software is the confidential and proprietary information of
 * TRUSTONIC LIMITED. You shall not disclose the present software and shall
 * use it only in accordance with the terms of the license agreement you
 * entered into with TRUSTONIC LIMITED. This software may be subject to
 * export or import laws in certain countries.
 */

#ifndef TCI_H_
#define TCI_H_

typedef uint32_t tciCommandId_t;
typedef uint32_t tciResponseId_t;
typedef uint32_t tciReturnCode_t;

/**< Responses have bit 31 set */
#define RSP_ID_MASK (1U << 31)
#define RSP_ID(cmdId) (((uint32_t)(cmdId)) | RSP_ID_MASK)
#define IS_CMD(cmdId) ((((uint32_t)(cmdId)) & RSP_ID_MASK) == 0)
#define IS_RSP(cmdId) ((((uint32_t)(cmdId)) & RSP_ID_MASK) == RSP_ID_MASK)

/**
 * Return codes of Trustlet commands.
 */
#define RET_OK              0            /**< Set, if processing is error free */
#define RET_ERR_UNKNOWN_CMD 1            /**< Unknown command */
#define RET_CUSTOM_START    2
#define RET_ERR_MAP         3
#define RET_ERR_UNMAP       4
#define RET_ERR_CRYPTO      5
#define RET_ERR_INVALID_BUFFERS 6

/**
 * TCI command header.
 */
typedef struct{
    tciCommandId_t commandId; /**< Command ID */
} tciCommandHeader_t;

/**
 * TCI response header.
 */
typedef struct{
    tciResponseId_t     responseId; /**< Response ID (must be command ID | RSP_ID_MASK )*/
    tciReturnCode_t     returnCode; /**< Return code of command */
} tciResponseHeader_t;

#endif // TCI_H_