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2642 | jermar | 1 | /* |
4409 | jermar | 2 | * Copyright (c) 2009 Jakub Jermar |
2642 | jermar | 3 | * All rights reserved. |
4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
29 | /** @addtogroup libfs |
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30 | * @{ |
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31 | */ |
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32 | /** |
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33 | * @file |
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34 | */ |
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35 | |||
36 | #ifndef LIBFS_LIBFS_H_ |
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37 | #define LIBFS_LIBFS_H_ |
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38 | |||
2643 | jermar | 39 | #include "../../srv/vfs/vfs.h" |
40 | #include <stdint.h> |
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41 | #include <ipc/ipc.h> |
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42 | #include <async.h> |
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43 | |||
44 | typedef struct { |
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4409 | jermar | 45 | bool mp_active; |
46 | int phone; |
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47 | fs_handle_t fs_handle; |
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48 | dev_handle_t dev_handle; |
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49 | } mp_data_t; |
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50 | |||
51 | typedef struct { |
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52 | mp_data_t mp_data; /**< Mount point info. */ |
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53 | void *data; /**< Data of the file system implementation. */ |
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4357 | jermar | 54 | } fs_node_t; |
55 | |||
56 | typedef struct { |
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57 | fs_node_t * (* match)(fs_node_t *, const char *); |
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58 | fs_node_t * (* node_get)(dev_handle_t, fs_index_t); |
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59 | void (* node_put)(fs_node_t *); |
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60 | fs_node_t * (* create)(dev_handle_t, int); |
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61 | int (* destroy)(fs_node_t *); |
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62 | int (* link)(fs_node_t *, fs_node_t *, const char *); |
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4370 | jermar | 63 | int (* unlink)(fs_node_t *, fs_node_t *, const char *); |
4357 | jermar | 64 | fs_index_t (* index_get)(fs_node_t *); |
65 | size_t (* size_get)(fs_node_t *); |
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66 | unsigned (* lnkcnt_get)(fs_node_t *); |
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67 | bool (* has_children)(fs_node_t *); |
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68 | fs_node_t *(* root_get)(dev_handle_t); |
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2747 | jermar | 69 | char (* plb_get_char)(unsigned pos); |
4357 | jermar | 70 | bool (* is_directory)(fs_node_t *); |
71 | bool (* is_file)(fs_node_t *); |
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2747 | jermar | 72 | } libfs_ops_t; |
73 | |||
74 | typedef struct { |
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2643 | jermar | 75 | int fs_handle; /**< File system handle. */ |
76 | ipcarg_t vfs_phonehash; /**< Initial VFS phonehash. */ |
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77 | uint8_t *plb_ro; /**< Read-only PLB view. */ |
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78 | } fs_reg_t; |
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79 | |||
80 | extern int fs_register(int, fs_reg_t *, vfs_info_t *, async_client_conn_t); |
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81 | |||
4409 | jermar | 82 | extern void fs_node_initialize(fs_node_t *); |
83 | |||
4429 | jermar | 84 | extern void libfs_mount(libfs_ops_t *, fs_handle_t, ipc_callid_t, ipc_call_t *); |
2770 | jermar | 85 | extern void libfs_lookup(libfs_ops_t *, fs_handle_t, ipc_callid_t, ipc_call_t *); |
2747 | jermar | 86 | |
2642 | jermar | 87 | #endif |
88 | |||
89 | /** @} |
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90 | */ |
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91 |