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1 | /* |
1 | /* |
2 | * Copyright (c) 2007 Jakub Jermar |
2 | * Copyright (c) 2007 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup fs |
29 | /** @addtogroup fs |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | 32 | ||
33 | #ifndef VFS_VFS_H_ |
33 | #ifndef VFS_VFS_H_ |
34 | #define VFS_VFS_H_ |
34 | #define VFS_VFS_H_ |
35 | 35 | ||
36 | typedef enum { |
36 | typedef enum { |
37 | VFS_REGISTER = 1, |
37 | VFS_REGISTER = 0, |
38 | VFS_MOUNT, |
38 | VFS_MOUNT, |
39 | VFS_UNMOUNT, |
39 | VFS_UNMOUNT, |
40 | VFS_OPEN |
40 | VFS_OPEN, |
- | 41 | VFS_LAST, /* keep this the last member of the enum */ |
|
41 | } vfs_request_t; |
42 | } vfs_request_t; |
42 | 43 | ||
- | 44 | ||
- | 45 | /** |
|
- | 46 | * An instance of this structure is associated with a particular FS operation. |
|
- | 47 | * It tells VFS if the FS supports the operation or maybe if a default one |
|
- | 48 | * should be used. |
|
- | 49 | */ |
|
- | 50 | typedef enum { |
|
- | 51 | VFS_OP_NOTSUP = 0, |
|
- | 52 | VFS_OP_DEFAULT, |
|
- | 53 | VFS_OP_DEFINED |
|
- | 54 | } vfs_op_t; |
|
- | 55 | ||
- | 56 | #define FS_NAME_MAXLEN 20 |
|
- | 57 | ||
- | 58 | /** |
|
- | 59 | * A structure like this is passed to VFS by each individual FS upon its |
|
- | 60 | * registration. It assosiates a human-readable identifier with each |
|
- | 61 | * registered FS. More importantly, through this structure, the FS announces |
|
- | 62 | * what operations it supports. |
|
- | 63 | */ |
|
- | 64 | typedef struct { |
|
- | 65 | char fs_name[FS_NAME_MAXLEN]; /**< Unique identifier of the fs. */ |
|
- | 66 | vfs_op_t ops[VFS_LAST]; /**< Operations. */ |
|
- | 67 | } vfs_info_t; |
|
- | 68 | ||
43 | #endif |
69 | #endif |
44 | 70 | ||
45 | /** |
71 | /** |
46 | * @} |
72 | * @} |
47 | */ |
73 | */ |
48 | 74 |