1 /* 2 * GRUB -- GRand Unified Bootloader 3 * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 /* 8 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 9 * Use is subject to license terms. 10 */ 11 12 #ifndef _SYS_ZIO_CHECKSUM_H 13 #define _SYS_ZIO_CHECKSUM_H 14 15 /* 16 * Signature for checksum functions. 17 */ 18 typedef void zio_checksum_t(const void *data, uint64_t size, 19 zfs_endian_t endian, zio_cksum_t *zcp); 20 21 /* 22 * Information about each checksum function. 23 */ 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; 30 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, 34 zio_cksum_t *); 35 extern void fletcher_4_endian(const void *, uint64_t, zfs_endian_t endian, 36 zio_cksum_t *); 37 38 #endif /* _SYS_ZIO_CHECKSUM_H */ 39