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