source: mainline/uspace/lib/libfs/libfs.h@ 7b6d98b

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 7b6d98b was 7b6d98b, checked in by Jakub Jermar <jakub@…>, 17 years ago

No need to keep the parent pointer in the TMPFS node. Moreover, other file
systems won't have it either. Finally, if TMPFS is to support hardlinks, there
can be multiple parents.

  • Property mode set to 100644
File size: 2.7 KB
Line 
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
39#include "../../srv/vfs/vfs.h"
40#include <stdint.h>
41#include <ipc/ipc.h>
42#include <async.h>
43
44typedef struct {
45 bool (* match)(void *, const char *);
46 void * (* create)(int);
47 void (* destroy)(void *);
48 bool (* link)(void *, void *, const char *);
49 int (* unlink)(void *, void *);
50 unsigned long (* index_get)(void *);
51 unsigned long (* size_get)(void *);
52 unsigned (* lnkcnt_get)(void *);
53 void *(* child_get)(void *);
54 void *(* sibling_get)(void *);
55 void *(* root_get)(void);
56 char (* plb_get_char)(unsigned pos);
57 bool (* is_directory)(void *);
58 bool (* is_file)(void *);
59} libfs_ops_t;
60
61typedef struct {
62 int fs_handle; /**< File system handle. */
63 ipcarg_t vfs_phonehash; /**< Initial VFS phonehash. */
64 uint8_t *plb_ro; /**< Read-only PLB view. */
65} fs_reg_t;
66
67extern int fs_register(int, fs_reg_t *, vfs_info_t *, async_client_conn_t);
68
69extern int block_read(int, unsigned long, void *);
70extern int block_write(int, unsigned long, void *);
71
72extern void node_add_mp(int, unsigned long);
73extern void node_del_mp(int, unsigned long);
74extern bool node_is_mp(int, unsigned long);
75
76extern void libfs_lookup(libfs_ops_t *, int, ipc_callid_t, ipc_call_t *);
77
78#endif
79
80/** @}
81 */
82
Note: See TracBrowser for help on using the repository browser.