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, 31 zfs_endian_t endian, zio_cksum_t *zcp); 32 33 /* 34 * Information about each checksum function. 35 */ 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; 42 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, 46 zio_cksum_t *); 47 extern void fletcher_4_endian(const void *, uint64_t, zfs_endian_t endian, 48 zio_cksum_t *); 49 50 #endif /* _SYS_ZIO_CHECKSUM_H */ 51