Subversion Repositories HelenOS

Rev

Rev 3625 | Rev 4370 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
2642 jermar 1
/*
2
 * Copyright (c) 2007 Jakub Jermar
3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
29
/** @addtogroup libfs
30
 * @{
31
 */
32
/**
33
 * @file
34
 */
35
 
36
#ifndef LIBFS_LIBFS_H_
37
#define LIBFS_LIBFS_H_ 
38
 
2643 jermar 39
#include "../../srv/vfs/vfs.h"
40
#include <stdint.h>
41
#include <ipc/ipc.h>
42
#include <async.h>
43
 
44
typedef struct {
4357 jermar 45
    void *data; /**< Data of the file system implementation. */
46
} fs_node_t;
47
 
48
typedef struct {
49
    fs_node_t * (* match)(fs_node_t *, const char *);
50
    fs_node_t * (* node_get)(dev_handle_t, fs_index_t);
51
    void (* node_put)(fs_node_t *);
52
    fs_node_t * (* create)(dev_handle_t, int);
53
    int (* destroy)(fs_node_t *);
54
    int (* link)(fs_node_t *, fs_node_t *, const char *);
55
    int (* unlink)(fs_node_t *, fs_node_t *);
56
    fs_index_t (* index_get)(fs_node_t *);
57
    size_t (* size_get)(fs_node_t *);
58
    unsigned (* lnkcnt_get)(fs_node_t *);
59
    bool (* has_children)(fs_node_t *);
60
    fs_node_t *(* root_get)(dev_handle_t);
2747 jermar 61
    char (* plb_get_char)(unsigned pos);   
4357 jermar 62
    bool (* is_directory)(fs_node_t *);
63
    bool (* is_file)(fs_node_t *);
2747 jermar 64
} libfs_ops_t;
65
 
66
typedef struct {
2643 jermar 67
    int fs_handle;      /**< File system handle. */
68
    ipcarg_t vfs_phonehash; /**< Initial VFS phonehash. */
69
    uint8_t *plb_ro;    /**< Read-only PLB view. */
70
} fs_reg_t;
71
 
72
extern int fs_register(int, fs_reg_t *, vfs_info_t *, async_client_conn_t);
73
 
2770 jermar 74
extern void libfs_lookup(libfs_ops_t *, fs_handle_t, ipc_callid_t, ipc_call_t *);
2747 jermar 75
 
2642 jermar 76
#endif
77
 
78
/** @}
79
 */
80