1 | interface vfs extends service {
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2 | /* Register a filesystem driver */
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3 | sysarg_t register(in_copy string name);
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4 |
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5 | /* Mount filesystem */
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6 | sysarg_t mount(in sysarg_t device, in sysarg_t flags, in sysarg_t instance, in_copy string point, in_copy string opts, in_copy string fs);
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7 |
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8 | /* Open file */
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9 | sysarg_t open(in sysarg_t lflag, in sysarg_t oflag, in sysarg_t mode, in_copy string path, out sysarg_t fd);
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10 |
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11 | /* Open file using node */
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12 | sysarg_t open_node(in sysarg_t fs_handle, in sysarg_t dev_handle, in sysarg_t index, in sysarg_t oflag, out sysarg_t fd);
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13 |
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14 | /* Read data from file */
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15 | sysarg_t read(in sysarg_t fd, out_copy stream data);
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16 |
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17 | /* Write data to file */
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18 | sysarg_t write(in sysarg_t fd, in_copy stream data);
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19 |
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20 | /* Seek in file */
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21 | sysarg_t seek(in sysarg_t fd, in sysarg_t offset, in sysarg_t whence);
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22 |
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23 | /* Truncate file */
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24 | sysarg_t truncate(in sysarg_t fd, in sysarg_t size);
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25 |
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26 | /* Get file metadata */
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27 | sysarg_t fstat(in sysarg_t fd, out_copy stream stat);
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28 |
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29 | /* Get directory entry metadata */
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30 | sysarg_t stat(in_copy string path, out_copy stream stat);
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31 |
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32 | /* Create directory */
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33 | sysarg_t mkdir(in sysarg_t mode, in_copy string path);
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34 |
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35 | /* Delete directory entry */
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36 | sysarg_t unlink(in sysarg_t lflag, in_copy string path);
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37 |
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38 | /* Rename directory entry */
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39 | sysarg_t rename(in_copy string old, in_copy string new);
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40 |
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41 | /* Flush file buffers */
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42 | sysarg_t sync(in sysarg_t fd);
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43 |
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44 | /* In-protocol status value */
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45 | sysarg_t ipc_m_ping(void);
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46 |
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47 | /* Close connection */
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48 | sysarg_t ipc_m_phone_hungup(void);
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49 | protocol:
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50 | [vfs.bp]
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51 | };
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52 |
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53 | interface fs extends service {
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54 | /* Notify filesystem that it was mounted */
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55 | sysarg_t mounted(in sysarg_t dev_handle, in_copy string opts);
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56 |
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57 | /* Mount filesystem */
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58 | sysarg_t mount(in sysarg_t device, in sysarg_t flags, in sysarg_t instance, in_copy string point, in_copy string opts, ...);
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59 |
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60 | /* Open file by node */
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61 | sysarg_t open_node(in sysarg_t lflag, in sysarg_t oflag, in sysarg_t mode, ...);
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62 |
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63 | /* Lookup file */
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64 | sysarg_t lookup(in sysarg_t lflag, in sysarg_t oflag, in sysarg_t mode, ...);
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65 |
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66 | /* Read data from file */
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67 | sysarg_t read(in sysarg_t dev_handle, in sysarg_t fs_index, in sysarg_t offset, out_copy stream data);
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68 |
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69 | /* Write data to file */
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70 | sysarg_t write(in sysarg_t dev_handle, in sysarg_t fs_index, in sysarg_t offset, in_copy stream data);
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71 |
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72 | /* Truncate file */
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73 | sysarg_t truncate(in sysarg_t dev_handle, in sysarg_t fs_index, in sysarg_t size);
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74 |
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75 | /* Get directory entry metadata */
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76 | sysarg_t stat(in sysarg_t dev_handle, in sysarg_t fs_index, out_copy stream stat);
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77 |
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78 | /* Flush file buffers */
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79 | sysarg_t sync(in sysarg_t dev_handle, in sysarg_t fs_index);
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80 |
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81 | /* Notify on file close */
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82 | sysarg_t close(in sysarg_t dev_handle, in sysarg_t fs_index);
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83 | };
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84 |
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85 | frame io_dispatcher {
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86 | provides:
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87 | vfs vfs;
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88 | requires:
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89 | [/uspace/lib/libc/requires]
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90 | ns ns;
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91 | tmpfs tmpfs;
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92 | fat fat;
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93 | devfs devfs;
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94 | initialization:
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95 | !ns.ipc_m_connect_to_me /* vfs */
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96 | protocol:
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97 | [/uspace/lib/libc/protocol]
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98 | };
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99 |
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100 | architecture vfs {
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101 | inst io_dispatcher io_dispatcher;
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102 | inst tmpfs tmpfs;
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103 | inst fat fat;
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104 | inst devfs devfs;
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105 |
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106 | bind io_dispatcher:tmpfs to tmpfs:tmpfs;
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107 | bind io_dispatcher:fat to fat:fat;
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108 | bind io_dispatcher:devfs to devfs:devfs;
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109 |
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110 | bind tmpfs:vfs to io_dispatcher:vfs;
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111 | bind fat:vfs to io_dispatcher:vfs;
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112 | bind devfs:vfs to io_dispatcher:vfs;
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113 |
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114 | bind tmpfs:tmpfs_nested to tmpfs:tmpfs;
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115 | bind tmpfs:fat_nested to fat:fat;
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116 | bind tmpfs:devfs_nested to devfs:devfs;
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117 |
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118 | bind fat:tmpfs_nested to tmpfs:tmpfs;
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119 | bind fat:fat_nested to fat:fat;
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120 | bind fat:devfs_nested to devfs:devfs;
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121 |
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122 | delegate vfs to io_dispatcher:vfs;
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123 |
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124 | [/uspace/lib/libc/subsume%io_dispatcher]
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125 | [/uspace/lib/libc/subsume%tmpfs]
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126 | [/uspace/lib/libc/subsume%fat]
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127 | [/uspace/lib/libc/subsume%devfs]
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128 |
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129 | subsume io_dispatcher:ns to ns;
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130 | subsume tmpfs:ns to ns;
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131 | subsume fat:ns to ns;
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132 | subsume devfs:ns to ns;
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133 |
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134 | subsume tmpfs:rd to rd;
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135 | subsume fat:rd to rd;
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136 |
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137 | subsume devfs:devmap_client to devmap_client;
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138 | subsume devfs:device to device;
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139 | };
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