/*
 * amba_crypto.h
 *
 * History:
 *	2011/05/03 - [Jian Tang] created file
 *
 * Copyright (c) 2016 Ambarella, Inc.
 *
 * This file and its contents ("Software") are protected by intellectual
 * property rights including, without limitation, U.S. and/or foreign
 * copyrights. This Software is also the confidential and proprietary
 * information of Ambarella, Inc. and its licensors. You may not use, reproduce,
 * disclose, distribute, modify, or otherwise prepare derivative works of this
 * Software or any portion thereof except pursuant to a signed license agreement
 * or nondisclosure agreement with Ambarella, Inc. or its authorized affiliates.
 * In the absence of such an agreement, you agree to promptly notify and return
 * this Software to Ambarella, Inc.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF NON-INFRINGEMENT,
 * MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL AMBARELLA, INC. OR ITS AFFILIATES BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; COMPUTER FAILURE OR MALFUNCTION; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 */

#ifndef __AMBA_CRYPTO_H__
#define __AMBA_CRYPTO_H__

#ifdef __cplusplus
extern "C" {
#endif

#include <linux/ioctl.h>

#define AMBA_CRYPTO_MAGIC			'c'

/*
 * ambarella crypto APIs	- 'c'
 */
enum {
	IOC_CRYPTO_BASE_NUM = 0,
	IOC_CRYPTO_SET_ALGO,
	IOC_CRYPTO_SET_KEY,
	IOC_CRYPTO_ENCRYPTE,
	IOC_CRYPTO_DECRYPTE,
	IOC_CRYPTO_SHA,
	IOC_CRYPTO_MD5,
};

#define AMBA_IOC_CRYPTO_SET_ALGO	_IOW(AMBA_CRYPTO_MAGIC, IOC_CRYPTO_SET_ALGO, struct amba_crypto_algo_s *)
#define AMBA_IOC_CRYPTO_SET_KEY		_IOW(AMBA_CRYPTO_MAGIC, IOC_CRYPTO_SET_KEY, struct amba_crypto_key_s *)
#define AMBA_IOC_CRYPTO_ENCRYPTE		_IOWR(AMBA_CRYPTO_MAGIC, IOC_CRYPTO_ENCRYPTE, struct amba_crypto_info_s *)
#define AMBA_IOC_CRYPTO_DECRYPTE		_IOWR(AMBA_CRYPTO_MAGIC, IOC_CRYPTO_DECRYPTE, struct amba_crypto_info_s *)
#define AMBA_IOC_CRYPTO_SHA            _IOWR(AMBA_CRYPTO_MAGIC, IOC_CRYPTO_SHA, struct amba_crypto_sha_md5_s *)
#define AMBA_IOC_CRYPTO_MD5            _IOWR(AMBA_CRYPTO_MAGIC, IOC_CRYPTO_MD5, struct amba_crypto_sha_md5_s *)

#define AMBA_CRYPTO_ALGO_NAME_LEN	(32)

typedef struct amba_crypto_algo_s {
	char		cipher_algo[AMBA_CRYPTO_ALGO_NAME_LEN];
	char		default_algo[AMBA_CRYPTO_ALGO_NAME_LEN];
} amba_crypto_algo_t;

typedef struct amba_crypto_key_s {
	u8 *		key;
	u32		key_len;
} amba_crypto_key_t;

typedef struct amba_crypto_info_s {
	u8 *		text;
	u32		total_bytes;
} amba_crypto_info_t;

typedef struct amba_crypto_sha_md5_s {
	u8 *		in;
	u32		total_bytes;
	u8 *		out;
} amba_crypto_sha_md5_t;

#ifdef __cplusplus
}
#endif

#endif	//  __AMBA_CRYPTO_H__