2 * GRUB -- GRand Unified Bootloader
3 * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
21 * Use is subject to license terms.
24 #ifndef _SYS_ZIO_CHECKSUM_H
25 #define _SYS_ZIO_CHECKSUM_H
28 * Signature for checksum functions.
30 typedef void zio_checksum_t(const void *data, uint64_t size,
31 zfs_endian_t endian, zio_cksum_t *zcp);
34 * Information about each checksum function.
36 typedef struct zio_checksum_info {
37 zio_checksum_t *ci_func; /* checksum function for each byteorder */
38 int ci_correctable; /* number of correctable bits */
39 int ci_eck; /* uses zio embedded checksum? */
40 char *ci_name; /* descriptive name */
41 } zio_checksum_info_t;
43 extern void zio_checksum_SHA256(const void *, uint64_t,
44 zfs_endian_t endian, zio_cksum_t *);
45 extern void fletcher_2_endian(const void *, uint64_t, zfs_endian_t endian,
47 extern void fletcher_4_endian(const void *, uint64_t, zfs_endian_t endian,
50 #endif /* _SYS_ZIO_CHECKSUM_H */