/*
 * Copyright 2013 Freescale Semiconductor Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Freescale Semiconductor nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 *
 * ALTERNATIVELY, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") as published by the Free Software
 * Foundation, either version 2 of that License or (at your option) any
 * later version.
 *
 * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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 */

#ifndef __CRC64_ECMA_H_
#define __CRC64_ECMA_H_

#include <linux/types.h>


#define CRC64_DEFAULT_INITVAL           0xFFFFFFFFFFFFFFFFULL


/*
 * crc64_ecma_seed - Initializes the CRC64 ECMA seed.
 */
u64 crc64_ecma_seed(void);

/*
 * crc64_ecma - Computes the 64 bit ECMA CRC.
 *
 * @pdata:	pointer to the data to compute checksum for.
 * @nbytes:	number of bytes in data buffer.
 * @seed:	CRC seed.
 */
u64 crc64_ecma(u8 const *pdata, u32 nbytes, u64 seed);

#endif /* __CRC64_ECMA_H_ */