btrfs-progs/crc32c.h
Chris Mason 71687d74d0 Use intel hardware crc32c where available
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
2012-07-26 14:51:27 -04:00

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C

/*
* Copyright (C) 2007 Red Hat. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License v2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
*/
#ifndef __CRC32C__
#define __CRC32C__
#include "kerncompat.h"
u32 crc32c_le(u32 seed, unsigned char const *data, size_t length);
int crc32c_optimization_init(void);
#define crc32c(seed, data, length) crc32c_le(seed, (unsigned char const *)data, length)
#define btrfs_crc32c crc32c
#endif