/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (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 2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _SYS_ZIO_COMPRESS_H #define _SYS_ZIO_COMPRESS_H #pragma ident "%Z%%M% %I% %E% SMI" #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); typedef int zio_decompress_func_t(void *src, void *dst, size_t s_len, size_t d_len); /* * Information about each compression function. */ typedef struct zio_compress_info { zio_compress_func_t *ci_compress; zio_decompress_func_t *ci_decompress; char *ci_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); extern int lzjb_decompress(void *src, void *dst, size_t s_len, size_t d_len); /* * Compress and decompress data if necessary. */ extern int zio_compress_data(int cpfunc, void *src, uint64_t srcsize, void **destp, uint64_t *destsizep, uint64_t *destbufsizep); extern int zio_decompress_data(int cpfunc, void *src, uint64_t srcsize, void *dest, uint64_t destsize); #ifdef __cplusplus } #endif #endif /* _SYS_ZIO_COMPRESS_H */