| Current Path : /sys/amd64/compile/hs32/modules/usr/src/sys/modules/drm2/i915kms/@/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/drm2/i915kms/@/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zio_compress.h |
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_ZIO_COMPRESS_H
#define _SYS_ZIO_COMPRESS_H
#include <sys/zio.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Common signature for all zio compress/decompress functions.
*/
typedef size_t zio_compress_func_t(void *src, void *dst,
size_t s_len, size_t d_len, int);
typedef int zio_decompress_func_t(void *src, void *dst,
size_t s_len, size_t d_len, int);
/*
* Information about each compression function.
*/
typedef struct zio_compress_info {
zio_compress_func_t *ci_compress; /* compression function */
zio_decompress_func_t *ci_decompress; /* decompression function */
int ci_level; /* level parameter */
char *ci_name; /* algorithm name */
} zio_compress_info_t;
extern zio_compress_info_t zio_compress_table[ZIO_COMPRESS_FUNCTIONS];
/*
* Compression routines.
*/
extern size_t lzjb_compress(void *src, void *dst, size_t s_len, size_t d_len,
int level);
extern int lzjb_decompress(void *src, void *dst, size_t s_len, size_t d_len,
int level);
extern size_t gzip_compress(void *src, void *dst, size_t s_len, size_t d_len,
int level);
extern int gzip_decompress(void *src, void *dst, size_t s_len, size_t d_len,
int level);
extern size_t zle_compress(void *src, void *dst, size_t s_len, size_t d_len,
int level);
extern int zle_decompress(void *src, void *dst, size_t s_len, size_t d_len,
int level);
/*
* Compress and decompress data if necessary.
*/
extern size_t zio_compress_data(enum zio_compress c, void *src, void *dst,
size_t s_len);
extern int zio_decompress_data(enum zio_compress c, void *src, void *dst,
size_t s_len, size_t d_len);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_ZIO_COMPRESS_H */