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| Rev 4581 | Rev 4718 | ||
|---|---|---|---|
| Line 41... | Line 41... | ||
| 41 | #include <malloc.h> |
41 | #include <malloc.h> |
| 42 | #include <string.h> |
42 | #include <string.h> |
| 43 | #include <libfs.h> |
43 | #include <libfs.h> |
| 44 | #include <fibril_sync.h> |
44 | #include <fibril_sync.h> |
| 45 | #include <adt/hash_table.h> |
45 | #include <adt/hash_table.h> |
| - | 46 | #include <sys/stat.h> |
|
| 46 | #include "devfs.h" |
47 | #include "devfs.h" |
| 47 | #include "devfs_ops.h" |
48 | #include "devfs_ops.h" |
| 48 | 49 | ||
| 49 | #define PLB_GET_CHAR(pos) (devfs_reg.plb_ro[pos % PLB_SIZE]) |
50 | #define PLB_GET_CHAR(pos) (devfs_reg.plb_ro[pos % PLB_SIZE]) |
| 50 | 51 | ||
| Line 161... | Line 162... | ||
| 161 | first %= PLB_SIZE; |
162 | first %= PLB_SIZE; |
| 162 | } |
163 | } |
| 163 | 164 | ||
| 164 | if (first >= last) { |
165 | if (first >= last) { |
| 165 | /* Root entry */ |
166 | /* Root entry */ |
| 166 | if (lflag & L_DIRECTORY) |
167 | if (!(lflag & L_FILE)) |
| 167 | ipc_answer_5(rid, EOK, devfs_reg.fs_handle, dev_handle, 0, 0, 0); |
168 | ipc_answer_5(rid, EOK, devfs_reg.fs_handle, dev_handle, 0, 0, 0); |
| 168 | else |
169 | else |
| 169 | ipc_answer_0(rid, ENOENT); |
170 | ipc_answer_0(rid, ENOENT); |
| 170 | } else { |
171 | } else { |
| 171 | if (lflag & L_FILE) { |
172 | if (!(lflag & L_DIRECTORY)) { |
| 172 | size_t len; |
173 | size_t len; |
| 173 | if (last >= first) |
174 | if (last >= first) |
| 174 | len = last - first + 1; |
175 | len = last - first + 1; |
| 175 | else |
176 | else |
| 176 | len = first + PLB_SIZE - last + 1; |
177 | len = first + PLB_SIZE - last + 1; |
| Line 275... | Line 276... | ||
| 275 | fibril_mutex_unlock(&devices_mutex); |
276 | fibril_mutex_unlock(&devices_mutex); |
| 276 | 277 | ||
| 277 | ipc_answer_3(rid, EOK, 0, 1, L_FILE); |
278 | ipc_answer_3(rid, EOK, 0, 1, L_FILE); |
| 278 | } |
279 | } |
| 279 | 280 | ||
| 280 | void devfs_device(ipc_callid_t rid, ipc_call_t *request) |
281 | void devfs_stat(ipc_callid_t rid, ipc_call_t *request) |
| 281 | { |
282 | { |
| - | 283 | dev_handle_t dev_handle = (dev_handle_t) IPC_GET_ARG1(*request); |
|
| 282 | fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); |
284 | fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); |
| 283 | 285 | ||
| - | 286 | ipc_callid_t callid; |
|
| - | 287 | size_t size; |
|
| - | 288 | if (!ipc_data_read_receive(&callid, &size) || |
|
| - | 289 | size != sizeof(struct stat)) { |
|
| - | 290 | ipc_answer_0(callid, EINVAL); |
|
| - | 291 | ipc_answer_0(rid, EINVAL); |
|
| - | 292 | return; |
|
| - | 293 | } |
|
| - | 294 | ||
| - | 295 | struct stat stat; |
|
| - | 296 | memset(&stat, 0, sizeof(struct stat)); |
|
| - | 297 | ||
| - | 298 | stat.fs_handle = devfs_reg.fs_handle; |
|
| - | 299 | stat.dev_handle = dev_handle; |
|
| - | 300 | stat.index = index; |
|
| - | 301 | stat.lnkcnt = 1; |
|
| - | 302 | stat.is_file = (index != 0); |
|
| - | 303 | stat.size = 0; |
|
| - | 304 | ||
| 284 | if (index != 0) { |
305 | if (index != 0) { |
| 285 | unsigned long key[] = { |
306 | unsigned long key[] = { |
| 286 | [DEVICES_KEY_HANDLE] = (unsigned long) index |
307 | [DEVICES_KEY_HANDLE] = (unsigned long) index |
| 287 | }; |
308 | }; |
| 288 | 309 | ||
| 289 | fibril_mutex_lock(&devices_mutex); |
310 | fibril_mutex_lock(&devices_mutex); |
| 290 | link_t *lnk = hash_table_find(&devices, key); |
311 | link_t *lnk = hash_table_find(&devices, key); |
| 291 | if (lnk == NULL) { |
312 | if (lnk != NULL) |
| 292 | fibril_mutex_unlock(&devices_mutex); |
313 | stat.devfs_stat.device = (dev_handle_t)index; |
| 293 | ipc_answer_0(rid, ENOENT); |
- | |
| 294 | return; |
- | |
| 295 | } |
- | |
| 296 | fibril_mutex_unlock(&devices_mutex); |
314 | fibril_mutex_unlock(&devices_mutex); |
| 297 | 315 | } |
|
| - | 316 | ||
| 298 | ipc_answer_1(rid, EOK, (ipcarg_t) index); |
317 | ipc_data_read_finalize(callid, &stat, sizeof(struct stat)); |
| 299 | } else |
- | |
| 300 | ipc_answer_0(rid, ENOTSUP); |
318 | ipc_answer_0(rid, EOK); |
| 301 | } |
319 | } |
| 302 | 320 | ||
| 303 | void devfs_read(ipc_callid_t rid, ipc_call_t *request) |
321 | void devfs_read(ipc_callid_t rid, ipc_call_t *request) |
| 304 | { |
322 | { |
| 305 | fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); |
323 | fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); |