kernel-lib/crc32c.h

   1 /*
   2  * Copyright (C) 2007 Red Hat.  All rights reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public
   6  * License v2 as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public
  14  * License along with this program; if not, write to the
  15  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  16  * Boston, MA 021110-1307, USA.
  17  */
  18
  19 #ifndef __CRC32C__
  20 #define __CRC32C__
  21
  22 #if BTRFS_FLAT_INCLUDES
  23 #include "kerncompat.h"
  24 #else
  25 #include <btrfs/kerncompat.h>
  26 #endif /* BTRFS_FLAT_INCLUDES */
  27
  28 u32 crc32c_le(u32 seed, unsigned char const *data, size_t length);
  29 void crc32c_optimization_init(void);
  30
  31 #define crc32c(seed, data, length) crc32c_le(seed, (unsigned char const *)data, length)
  32 #define btrfs_crc32c crc32c
  33 #endif