fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * CDDL HEADER START
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * The contents of this file are subject to the terms of the
c9431fa1e59a88c2f0abf611f25b97af964449e5ahl * Common Development and Distribution License (the "License").
c9431fa1e59a88c2f0abf611f25b97af964449e5ahl * You may not use this file except in compliance with the License.
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
fa9e4066f08beec538e775443c5be79dd423fcabahrens * or http://www.opensolaris.org/os/licensing.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * See the License for the specific language governing permissions
fa9e4066f08beec538e775443c5be79dd423fcabahrens * and limitations under the License.
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * When distributing Covered Code, include this CDDL HEADER in each
fa9e4066f08beec538e775443c5be79dd423fcabahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * If applicable, add the following below this CDDL HEADER, with the
fa9e4066f08beec538e775443c5be79dd423fcabahrens * fields enclosed by brackets "[]" replaced with your own identifying
fa9e4066f08beec538e775443c5be79dd423fcabahrens * information: Portions Copyright [yyyy] [name of copyright owner]
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * CDDL HEADER END
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
c9431fa1e59a88c2f0abf611f25b97af964449e5ahl
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Use is subject to license terms.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
a6f561b4aee75d0d028e7b36b151c8ed8a86bc76Sašo Kiselkov/*
a6f561b4aee75d0d028e7b36b151c8ed8a86bc76Sašo Kiselkov * Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel * Copyright (c) 2015 by Delphix. All rights reserved.
a6f561b4aee75d0d028e7b36b151c8ed8a86bc76Sašo Kiselkov */
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifndef _SYS_ZIO_COMPRESS_H
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define _SYS_ZIO_COMPRESS_H
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifdef __cplusplus
fa9e4066f08beec538e775443c5be79dd423fcabahrensextern "C" {
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif
fa9e4066f08beec538e775443c5be79dd423fcabahrens
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmelenum zio_compress {
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ZIO_COMPRESS_INHERIT = 0,
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ZIO_COMPRESS_ON,
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ZIO_COMPRESS_OFF,
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ZIO_COMPRESS_LZJB,
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ZIO_COMPRESS_EMPTY,
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ZIO_COMPRESS_GZIP_1,
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ZIO_COMPRESS_GZIP_2,
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ZIO_COMPRESS_GZIP_3,
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ZIO_COMPRESS_GZIP_4,
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ZIO_COMPRESS_GZIP_5,
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ZIO_COMPRESS_GZIP_6,
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ZIO_COMPRESS_GZIP_7,
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ZIO_COMPRESS_GZIP_8,
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ZIO_COMPRESS_GZIP_9,
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ZIO_COMPRESS_ZLE,
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ZIO_COMPRESS_LZ4,
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel ZIO_COMPRESS_FUNCTIONS
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel};
5602294fda888d923d57a78bafdaf48ae6223deaDan Kimmel
f7170741490edba9d1d9c697c177c887172bc741Will Andrews/* Common signature for all zio compress functions. */
fa9e4066f08beec538e775443c5be79dd423fcabahrenstypedef size_t zio_compress_func_t(void *src, void *dst,
c9431fa1e59a88c2f0abf611f25b97af964449e5ahl size_t s_len, size_t d_len, int);
f7170741490edba9d1d9c697c177c887172bc741Will Andrews/* Common signature for all zio decompress functions. */
fa9e4066f08beec538e775443c5be79dd423fcabahrenstypedef int zio_decompress_func_t(void *src, void *dst,
c9431fa1e59a88c2f0abf611f25b97af964449e5ahl size_t s_len, size_t d_len, int);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Information about each compression function.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrenstypedef struct zio_compress_info {
c9431fa1e59a88c2f0abf611f25b97af964449e5ahl zio_compress_func_t *ci_compress; /* compression function */
c9431fa1e59a88c2f0abf611f25b97af964449e5ahl zio_decompress_func_t *ci_decompress; /* decompression function */
c9431fa1e59a88c2f0abf611f25b97af964449e5ahl int ci_level; /* level parameter */
c9431fa1e59a88c2f0abf611f25b97af964449e5ahl char *ci_name; /* algorithm name */
fa9e4066f08beec538e775443c5be79dd423fcabahrens} zio_compress_info_t;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensextern zio_compress_info_t zio_compress_table[ZIO_COMPRESS_FUNCTIONS];
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Compression routines.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
c9431fa1e59a88c2f0abf611f25b97af964449e5ahlextern size_t lzjb_compress(void *src, void *dst, size_t s_len, size_t d_len,
c9431fa1e59a88c2f0abf611f25b97af964449e5ahl int level);
c9431fa1e59a88c2f0abf611f25b97af964449e5ahlextern int lzjb_decompress(void *src, void *dst, size_t s_len, size_t d_len,
c9431fa1e59a88c2f0abf611f25b97af964449e5ahl int level);
c9431fa1e59a88c2f0abf611f25b97af964449e5ahlextern size_t gzip_compress(void *src, void *dst, size_t s_len, size_t d_len,
c9431fa1e59a88c2f0abf611f25b97af964449e5ahl int level);
c9431fa1e59a88c2f0abf611f25b97af964449e5ahlextern int gzip_decompress(void *src, void *dst, size_t s_len, size_t d_len,
c9431fa1e59a88c2f0abf611f25b97af964449e5ahl int level);
b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwickextern size_t zle_compress(void *src, void *dst, size_t s_len, size_t d_len,
b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick int level);
b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwickextern int zle_decompress(void *src, void *dst, size_t s_len, size_t d_len,
b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick int level);
a6f561b4aee75d0d028e7b36b151c8ed8a86bc76Sašo Kiselkovextern size_t lz4_compress(void *src, void *dst, size_t s_len, size_t d_len,
a6f561b4aee75d0d028e7b36b151c8ed8a86bc76Sašo Kiselkov int level);
a6f561b4aee75d0d028e7b36b151c8ed8a86bc76Sašo Kiselkovextern int lz4_decompress(void *src, void *dst, size_t s_len, size_t d_len,
a6f561b4aee75d0d028e7b36b151c8ed8a86bc76Sašo Kiselkov int level);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Compress and decompress data if necessary.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwickextern size_t zio_compress_data(enum zio_compress c, void *src, void *dst,
b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick size_t s_len);
b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwickextern int zio_decompress_data(enum zio_compress c, void *src, void *dst,
b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick size_t s_len, size_t d_len);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifdef __cplusplus
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif /* _SYS_ZIO_COMPRESS_H */