6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #ifndef _SYS_ZIO_COMPRESS_H
28 #define _SYS_ZIO_COMPRESS_H
29
30 #include <sys/zio.h>
31
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35
36 /*
37 * Common signature for all zio compress/decompress functions.
38 */
39 typedef size_t zio_compress_func_t(void *src, void *dst,
40 size_t s_len, size_t d_len, int);
41 typedef int zio_decompress_func_t(void *src, void *dst,
42 size_t s_len, size_t d_len, int);
43
44 /*
45 * Information about each compression function.
51 char *ci_name; /* algorithm name */
52 } zio_compress_info_t;
53
54 extern zio_compress_info_t zio_compress_table[ZIO_COMPRESS_FUNCTIONS];
55
56 /*
57 * Compression routines.
58 */
59 extern size_t lzjb_compress(void *src, void *dst, size_t s_len, size_t d_len,
60 int level);
61 extern int lzjb_decompress(void *src, void *dst, size_t s_len, size_t d_len,
62 int level);
63 extern size_t gzip_compress(void *src, void *dst, size_t s_len, size_t d_len,
64 int level);
65 extern int gzip_decompress(void *src, void *dst, size_t s_len, size_t d_len,
66 int level);
67 extern size_t zle_compress(void *src, void *dst, size_t s_len, size_t d_len,
68 int level);
69 extern int zle_decompress(void *src, void *dst, size_t s_len, size_t d_len,
70 int level);
71
72 /*
73 * Compress and decompress data if necessary.
74 */
75 extern size_t zio_compress_data(enum zio_compress c, void *src, void *dst,
76 size_t s_len);
77 extern int zio_decompress_data(enum zio_compress c, void *src, void *dst,
78 size_t s_len, size_t d_len);
79
80 #ifdef __cplusplus
81 }
82 #endif
83
84 #endif /* _SYS_ZIO_COMPRESS_H */
|
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26 /*
27 * Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
28 */
29
30 #ifndef _SYS_ZIO_COMPRESS_H
31 #define _SYS_ZIO_COMPRESS_H
32
33 #include <sys/zio.h>
34
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38
39 /*
40 * Common signature for all zio compress/decompress functions.
41 */
42 typedef size_t zio_compress_func_t(void *src, void *dst,
43 size_t s_len, size_t d_len, int);
44 typedef int zio_decompress_func_t(void *src, void *dst,
45 size_t s_len, size_t d_len, int);
46
47 /*
48 * Information about each compression function.
54 char *ci_name; /* algorithm name */
55 } zio_compress_info_t;
56
57 extern zio_compress_info_t zio_compress_table[ZIO_COMPRESS_FUNCTIONS];
58
59 /*
60 * Compression routines.
61 */
62 extern size_t lzjb_compress(void *src, void *dst, size_t s_len, size_t d_len,
63 int level);
64 extern int lzjb_decompress(void *src, void *dst, size_t s_len, size_t d_len,
65 int level);
66 extern size_t gzip_compress(void *src, void *dst, size_t s_len, size_t d_len,
67 int level);
68 extern int gzip_decompress(void *src, void *dst, size_t s_len, size_t d_len,
69 int level);
70 extern size_t zle_compress(void *src, void *dst, size_t s_len, size_t d_len,
71 int level);
72 extern int zle_decompress(void *src, void *dst, size_t s_len, size_t d_len,
73 int level);
74 extern size_t lz4_compress(void *src, void *dst, size_t s_len, size_t d_len,
75 int level);
76 extern int lz4_decompress(void *src, void *dst, size_t s_len, size_t d_len,
77 int level);
78
79 /*
80 * Compress and decompress data if necessary.
81 */
82 extern size_t zio_compress_data(enum zio_compress c, void *src, void *dst,
83 size_t s_len);
84 extern int zio_decompress_data(enum zio_compress c, void *src, void *dst,
85 size_t s_len, size_t d_len);
86
87 #ifdef __cplusplus
88 }
89 #endif
90
91 #endif /* _SYS_ZIO_COMPRESS_H */
|