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1 | /* |
1 | /* |
2 | * Copyright (c) 2009 Jakub Jermar |
2 | * Copyright (c) 2009 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 libfs |
29 | /** @addtogroup libfs |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** |
32 | /** |
33 | * @file |
33 | * @file |
34 | */ |
34 | */ |
35 | 35 | ||
36 | #ifndef LIBFS_LIBFS_H_ |
36 | #ifndef LIBFS_LIBFS_H_ |
37 | #define LIBFS_LIBFS_H_ |
37 | #define LIBFS_LIBFS_H_ |
38 | 38 | ||
39 | #include <ipc/vfs.h> |
39 | #include <ipc/vfs.h> |
40 | #include <stdint.h> |
40 | #include <stdint.h> |
41 | #include <ipc/ipc.h> |
41 | #include <ipc/ipc.h> |
42 | #include <async.h> |
42 | #include <async.h> |
43 | #include <devmap.h> |
43 | #include <devmap.h> |
44 | 44 | ||
45 | typedef struct { |
45 | typedef struct { |
46 | bool mp_active; |
46 | bool mp_active; |
47 | int phone; |
47 | int phone; |
48 | fs_handle_t fs_handle; |
48 | fs_handle_t fs_handle; |
49 | dev_handle_t dev_handle; |
49 | dev_handle_t dev_handle; |
50 | } mp_data_t; |
50 | } mp_data_t; |
51 | 51 | ||
52 | typedef struct { |
52 | typedef struct { |
53 | mp_data_t mp_data; /**< Mount point info. */ |
53 | mp_data_t mp_data; /**< Mount point info. */ |
54 | void *data; /**< Data of the file system implementation. */ |
54 | void *data; /**< Data of the file system implementation. */ |
55 | } fs_node_t; |
55 | } fs_node_t; |
56 | 56 | ||
57 | typedef struct { |
57 | typedef struct { |
58 | fs_node_t * (* match)(fs_node_t *, const char *); |
58 | fs_node_t * (* match)(fs_node_t *, const char *); |
59 | fs_node_t * (* node_get)(dev_handle_t, fs_index_t); |
59 | fs_node_t * (* node_get)(dev_handle_t, fs_index_t); |
60 | void (* node_put)(fs_node_t *); |
60 | void (* node_put)(fs_node_t *); |
61 | fs_node_t * (* create)(dev_handle_t, int); |
61 | fs_node_t * (* create)(dev_handle_t, int); |
62 | int (* destroy)(fs_node_t *); |
62 | int (* destroy)(fs_node_t *); |
63 | int (* link)(fs_node_t *, fs_node_t *, const char *); |
63 | int (* link)(fs_node_t *, fs_node_t *, const char *); |
64 | int (* unlink)(fs_node_t *, fs_node_t *, const char *); |
64 | int (* unlink)(fs_node_t *, fs_node_t *, const char *); |
65 | fs_index_t (* index_get)(fs_node_t *); |
65 | fs_index_t (* index_get)(fs_node_t *); |
66 | size_t (* size_get)(fs_node_t *); |
66 | size_t (* size_get)(fs_node_t *); |
67 | unsigned (* lnkcnt_get)(fs_node_t *); |
67 | unsigned (* lnkcnt_get)(fs_node_t *); |
68 | bool (* has_children)(fs_node_t *); |
68 | bool (* has_children)(fs_node_t *); |
69 | fs_node_t *(* root_get)(dev_handle_t); |
69 | fs_node_t *(* root_get)(dev_handle_t); |
70 | char (* plb_get_char)(unsigned pos); |
70 | char (* plb_get_char)(unsigned pos); |
71 | bool (* is_directory)(fs_node_t *); |
71 | bool (* is_directory)(fs_node_t *); |
72 | bool (* is_file)(fs_node_t *); |
72 | bool (* is_file)(fs_node_t *); |
73 | } libfs_ops_t; |
73 | } libfs_ops_t; |
74 | 74 | ||
75 | typedef struct { |
75 | typedef struct { |
76 | int fs_handle; /**< File system handle. */ |
76 | int fs_handle; /**< File system handle. */ |
77 | ipcarg_t vfs_phonehash; /**< Initial VFS phonehash. */ |
77 | ipcarg_t vfs_phonehash; /**< Initial VFS phonehash. */ |
78 | uint8_t *plb_ro; /**< Read-only PLB view. */ |
78 | uint8_t *plb_ro; /**< Read-only PLB view. */ |
79 | } fs_reg_t; |
79 | } fs_reg_t; |
80 | 80 | ||
81 | extern int fs_register(int, fs_reg_t *, vfs_info_t *, async_client_conn_t); |
81 | extern int fs_register(int, fs_reg_t *, vfs_info_t *, async_client_conn_t); |
82 | 82 | ||
83 | extern void fs_node_initialize(fs_node_t *); |
83 | extern void fs_node_initialize(fs_node_t *); |
84 | 84 | ||
85 | extern void libfs_mount(libfs_ops_t *, fs_handle_t, ipc_callid_t, ipc_call_t *); |
85 | extern void libfs_mount(libfs_ops_t *, fs_handle_t, ipc_callid_t, ipc_call_t *); |
86 | extern void libfs_lookup(libfs_ops_t *, fs_handle_t, ipc_callid_t, ipc_call_t *); |
86 | extern void libfs_lookup(libfs_ops_t *, fs_handle_t, ipc_callid_t, ipc_call_t *); |
- | 87 | extern void libfs_stat(libfs_ops_t *, fs_handle_t, ipc_callid_t, ipc_call_t *); |
|
87 | extern void libfs_open_node(libfs_ops_t *, fs_handle_t, ipc_callid_t, |
88 | extern void libfs_open_node(libfs_ops_t *, fs_handle_t, ipc_callid_t, |
88 | ipc_call_t *); |
89 | ipc_call_t *); |
89 | 90 | ||
90 | #endif |
91 | #endif |
91 | 92 | ||
92 | /** @} |
93 | /** @} |
93 | */ |
94 | */ |
94 | 95 |