1 /*
2  * Permission is hereby granted, free of charge, to any person obtaining a copy
3  * of this software and associated documentation files (the "Software"), to
4  * deal in the Software without restriction, including without limitation the
5  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
6  * sell copies of the Software, and to permit persons to whom the Software is
7  * furnished to do so, subject to the following conditions:
8  *
9  * The above copyright notice and this permission notice shall be included in
10  * all copies or substantial portions of the Software.
11  *
12  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
13  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
14  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
15  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
16  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
17  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
18  * DEALINGS IN THE SOFTWARE.
19  *
20  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
21  * Use is subject to license terms.
22  */
23 
24 #ifndef _FSIMAGE_PLUGIN_H
25 #define	_FSIMAGE_PLUGIN_H
26 
27 #ifdef __cplusplus
28 extern C {
29 #endif
30 
31 #include <sys/types.h>
32 
33 #include "xenfsimage.h"
34 
35 #define	FSIMAGE_PLUGIN_VERSION 1
36 
37 typedef struct fsi_plugin fsi_plugin_t;
38 
39 typedef struct fsi_plugin_ops {
40 	int fpo_version;
41 	int (*fpo_mount)(fsi_t *, const char *, const char *);
42 	int (*fpo_umount)(fsi_t *);
43 	fsi_file_t *(*fpo_open)(fsi_t *, const char *);
44 	ssize_t (*fpo_read)(fsi_file_t *, void *, size_t);
45 	ssize_t (*fpo_pread)(fsi_file_t *, void *, size_t, uint64_t);
46 	int (*fpo_close)(fsi_file_t *);
47 } fsi_plugin_ops_t;
48 
49 typedef fsi_plugin_ops_t *
50     (*fsi_plugin_init_t)(int, fsi_plugin_t *, const char **);
51 
52 void fsip_fs_set_data(fsi_t *, void *);
53 fsi_file_t *fsip_file_alloc(fsi_t *, void *);
54 void fsip_file_free(fsi_file_t *);
55 fsi_t *fsip_fs(fsi_file_t *);
56 uint64_t fsip_fs_offset(fsi_t *);
57 void *fsip_fs_data(fsi_t *);
58 void *fsip_file_data(fsi_file_t *);
59 
60 #ifdef __cplusplus
61 };
62 #endif
63 
64 #endif /* _FSIMAGE_PLUGIN_H */
65