xref: /openbmc/u-boot/include/zfs/zio_checksum.h (revision e8f80a5a)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  *  GRUB  --  GRand Unified Bootloader
4  *  Copyright (C) 1999,2000,2001,2002,2003,2004  Free Software Foundation, Inc.
5  */
6 /*
7  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
8  * Use is subject to license terms.
9  */
10 
11 #ifndef _SYS_ZIO_CHECKSUM_H
12 #define	_SYS_ZIO_CHECKSUM_H
13 
14 /*
15  * Signature for checksum functions.
16  */
17 typedef void zio_checksum_t(const void *data, uint64_t size,
18 			    zfs_endian_t endian, zio_cksum_t *zcp);
19 
20 /*
21  * Information about each checksum function.
22  */
23 typedef struct zio_checksum_info {
24 	zio_checksum_t	*ci_func; /* checksum function for each byteorder */
25 	int		ci_correctable;	/* number of correctable bits	*/
26 	int		ci_eck;		/* uses zio embedded checksum? */
27 	char		*ci_name;	/* descriptive name */
28 } zio_checksum_info_t;
29 
30 extern void zio_checksum_SHA256(const void *, uint64_t,
31 				 zfs_endian_t endian, zio_cksum_t *);
32 extern void fletcher_2_endian(const void *, uint64_t, zfs_endian_t endian,
33 			zio_cksum_t *);
34 extern void fletcher_4_endian(const void *, uint64_t, zfs_endian_t endian,
35 			zio_cksum_t *);
36 
37 #endif	/* _SYS_ZIO_CHECKSUM_H */
38