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Diffstat (limited to 'include/zfs/zio_checksum.h')
| -rw-r--r-- | include/zfs/zio_checksum.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/zfs/zio_checksum.h b/include/zfs/zio_checksum.h new file mode 100644 index 000000000..0d5fce665 --- /dev/null +++ b/include/zfs/zio_checksum.h @@ -0,0 +1,50 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +/* + * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_ZIO_CHECKSUM_H +#define _SYS_ZIO_CHECKSUM_H + +/* + * Signature for checksum functions. + */ +typedef void zio_checksum_t(const void *data, uint64_t size, + zfs_endian_t endian, zio_cksum_t *zcp); + +/* + * Information about each checksum function. + */ +typedef struct zio_checksum_info { + zio_checksum_t *ci_func; /* checksum function for each byteorder */ + int ci_correctable; /* number of correctable bits */ + int ci_eck; /* uses zio embedded checksum? */ + char *ci_name; /* descriptive name */ +} zio_checksum_info_t; + +extern void zio_checksum_SHA256(const void *, uint64_t, + zfs_endian_t endian, zio_cksum_t *); +extern void fletcher_2_endian(const void *, uint64_t, zfs_endian_t endian, + zio_cksum_t *); +extern void fletcher_4_endian(const void *, uint64_t, zfs_endian_t endian, + zio_cksum_t *); + +#endif /* _SYS_ZIO_CHECKSUM_H */ |