xref: /illumos-gate/usr/src/grub/grub-0.97/stage2/zfs-include/zio_checksum.h (revision 6e1f5caa9321646aa4212d48e32a0d241866d85d)
1 /*
2  *  GRUB  --  GRand Unified Bootloader
3  *  Copyright (C) 1999,2000,2001,2002,2003,2004  Free Software Foundation, Inc.
4  *
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.
9  *
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.
14  *
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.
18  */
19 /*
20  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
21  * Use is subject to license terms.
22  */
23 
24 #ifndef _SYS_ZIO_CHECKSUM_H
25 #define	_SYS_ZIO_CHECKSUM_H
26 
27 /*
28  * Signature for checksum functions.
29  */
30 typedef void zio_checksum_t(const void *data, uint64_t size, zio_cksum_t *zcp);
31 
32 /*
33  * Information about each checksum function.
34  */
35 typedef struct zio_checksum_info {
36 	zio_checksum_t	*ci_func[2]; /* checksum function for each byteorder */
37 	int		ci_correctable;	/* number of correctable bits	*/
38 	int		ci_eck;		/* uses zio embedded checksum? */
39 	char		*ci_name;	/* descriptive name */
40 } zio_checksum_info_t;
41 
42 #endif	/* _SYS_ZIO_CHECKSUM_H */
43