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Commit | Line | Data |
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045fa1e1 SW |
1 | /* |
2 | * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms and conditions of the GNU General Public License, | |
6 | * version 2, as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
11 | * more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
15 | */ | |
16 | ||
17 | #include <config.h> | |
59e890ef | 18 | #include <errno.h> |
045fa1e1 | 19 | #include <common.h> |
0eb25b61 | 20 | #include <mapmem.h> |
045fa1e1 SW |
21 | #include <part.h> |
22 | #include <ext4fs.h> | |
23 | #include <fat.h> | |
24 | #include <fs.h> | |
92ccc96b | 25 | #include <sandboxfs.h> |
117e0507 | 26 | #include <asm/io.h> |
9e374e7b TR |
27 | #include <div64.h> |
28 | #include <linux/math64.h> | |
045fa1e1 | 29 | |
a1b231ce SW |
30 | DECLARE_GLOBAL_DATA_PTR; |
31 | ||
045fa1e1 SW |
32 | static block_dev_desc_t *fs_dev_desc; |
33 | static disk_partition_t fs_partition; | |
34 | static int fs_type = FS_TYPE_ANY; | |
35 | ||
2ded0d47 SG |
36 | static inline int fs_probe_unsupported(block_dev_desc_t *fs_dev_desc, |
37 | disk_partition_t *fs_partition) | |
436e2b73 SG |
38 | { |
39 | printf("** Unrecognized filesystem type **\n"); | |
40 | return -1; | |
41 | } | |
42 | ||
045fa1e1 SW |
43 | static inline int fs_ls_unsupported(const char *dirname) |
44 | { | |
045fa1e1 SW |
45 | return -1; |
46 | } | |
47 | ||
6152916a SW |
48 | static inline int fs_exists_unsupported(const char *filename) |
49 | { | |
50 | return 0; | |
51 | } | |
52 | ||
d455d878 | 53 | static inline int fs_size_unsupported(const char *filename, loff_t *size) |
cf659819 SW |
54 | { |
55 | return -1; | |
56 | } | |
57 | ||
117e0507 | 58 | static inline int fs_read_unsupported(const char *filename, void *buf, |
d455d878 SR |
59 | loff_t offset, loff_t len, |
60 | loff_t *actread) | |
045fa1e1 | 61 | { |
045fa1e1 SW |
62 | return -1; |
63 | } | |
64 | ||
a8f6ab52 | 65 | static inline int fs_write_unsupported(const char *filename, void *buf, |
d455d878 SR |
66 | loff_t offset, loff_t len, |
67 | loff_t *actwrite) | |
a8f6ab52 SG |
68 | { |
69 | return -1; | |
70 | } | |
71 | ||
436e2b73 SG |
72 | static inline void fs_close_unsupported(void) |
73 | { | |
74 | } | |
75 | ||
59e890ef CG |
76 | static inline int fs_uuid_unsupported(char *uuid_str) |
77 | { | |
78 | return -1; | |
79 | } | |
80 | ||
436e2b73 | 81 | struct fstype_info { |
045fa1e1 | 82 | int fstype; |
1a1ad8e0 | 83 | char *name; |
377202b5 SW |
84 | /* |
85 | * Is it legal to pass NULL as .probe()'s fs_dev_desc parameter? This | |
86 | * should be false in most cases. For "virtual" filesystems which | |
87 | * aren't based on a U-Boot block device (e.g. sandbox), this can be | |
88 | * set to true. This should also be true for the dumm entry at the end | |
89 | * of fstypes[], since that is essentially a "virtual" (non-existent) | |
90 | * filesystem. | |
91 | */ | |
92 | bool null_dev_desc_ok; | |
2ded0d47 SG |
93 | int (*probe)(block_dev_desc_t *fs_dev_desc, |
94 | disk_partition_t *fs_partition); | |
436e2b73 | 95 | int (*ls)(const char *dirname); |
6152916a | 96 | int (*exists)(const char *filename); |
d455d878 SR |
97 | int (*size)(const char *filename, loff_t *size); |
98 | int (*read)(const char *filename, void *buf, loff_t offset, | |
99 | loff_t len, loff_t *actread); | |
100 | int (*write)(const char *filename, void *buf, loff_t offset, | |
101 | loff_t len, loff_t *actwrite); | |
436e2b73 | 102 | void (*close)(void); |
59e890ef | 103 | int (*uuid)(char *uuid_str); |
436e2b73 SG |
104 | }; |
105 | ||
106 | static struct fstype_info fstypes[] = { | |
107 | #ifdef CONFIG_FS_FAT | |
045fa1e1 SW |
108 | { |
109 | .fstype = FS_TYPE_FAT, | |
1a1ad8e0 | 110 | .name = "fat", |
377202b5 | 111 | .null_dev_desc_ok = false, |
e6d52415 SG |
112 | .probe = fat_set_blk_dev, |
113 | .close = fat_close, | |
436e2b73 | 114 | .ls = file_fat_ls, |
b7b5f319 | 115 | .exists = fat_exists, |
cf659819 | 116 | .size = fat_size, |
e6d52415 | 117 | .read = fat_read_file, |
d455d878 SR |
118 | #ifdef CONFIG_FAT_WRITE |
119 | .write = file_fat_write, | |
120 | #else | |
bd6fb31f | 121 | .write = fs_write_unsupported, |
d455d878 | 122 | #endif |
59e890ef | 123 | .uuid = fs_uuid_unsupported, |
045fa1e1 | 124 | }, |
436e2b73 SG |
125 | #endif |
126 | #ifdef CONFIG_FS_EXT4 | |
045fa1e1 SW |
127 | { |
128 | .fstype = FS_TYPE_EXT, | |
1a1ad8e0 | 129 | .name = "ext4", |
377202b5 | 130 | .null_dev_desc_ok = false, |
e6d52415 SG |
131 | .probe = ext4fs_probe, |
132 | .close = ext4fs_close, | |
436e2b73 | 133 | .ls = ext4fs_ls, |
55af5c93 | 134 | .exists = ext4fs_exists, |
cf659819 | 135 | .size = ext4fs_size, |
e6d52415 | 136 | .read = ext4_read_file, |
d455d878 SR |
137 | #ifdef CONFIG_CMD_EXT4_WRITE |
138 | .write = ext4_write_file, | |
139 | #else | |
bd6fb31f | 140 | .write = fs_write_unsupported, |
d455d878 | 141 | #endif |
59e890ef | 142 | .uuid = ext4fs_uuid, |
436e2b73 | 143 | }, |
92ccc96b SG |
144 | #endif |
145 | #ifdef CONFIG_SANDBOX | |
146 | { | |
147 | .fstype = FS_TYPE_SANDBOX, | |
1a1ad8e0 | 148 | .name = "sandbox", |
377202b5 | 149 | .null_dev_desc_ok = true, |
92ccc96b SG |
150 | .probe = sandbox_fs_set_blk_dev, |
151 | .close = sandbox_fs_close, | |
152 | .ls = sandbox_fs_ls, | |
0a30aa1e | 153 | .exists = sandbox_fs_exists, |
cf659819 | 154 | .size = sandbox_fs_size, |
92ccc96b | 155 | .read = fs_read_sandbox, |
7eb2c8d5 | 156 | .write = fs_write_sandbox, |
59e890ef | 157 | .uuid = fs_uuid_unsupported, |
92ccc96b | 158 | }, |
436e2b73 SG |
159 | #endif |
160 | { | |
161 | .fstype = FS_TYPE_ANY, | |
1a1ad8e0 | 162 | .name = "unsupported", |
377202b5 | 163 | .null_dev_desc_ok = true, |
436e2b73 SG |
164 | .probe = fs_probe_unsupported, |
165 | .close = fs_close_unsupported, | |
166 | .ls = fs_ls_unsupported, | |
6152916a | 167 | .exists = fs_exists_unsupported, |
cf659819 | 168 | .size = fs_size_unsupported, |
436e2b73 | 169 | .read = fs_read_unsupported, |
a8f6ab52 | 170 | .write = fs_write_unsupported, |
59e890ef | 171 | .uuid = fs_uuid_unsupported, |
045fa1e1 SW |
172 | }, |
173 | }; | |
174 | ||
c6f548d2 SG |
175 | static struct fstype_info *fs_get_info(int fstype) |
176 | { | |
177 | struct fstype_info *info; | |
178 | int i; | |
179 | ||
180 | for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes) - 1; i++, info++) { | |
181 | if (fstype == info->fstype) | |
182 | return info; | |
183 | } | |
184 | ||
185 | /* Return the 'unsupported' sentinel */ | |
186 | return info; | |
187 | } | |
188 | ||
045fa1e1 SW |
189 | int fs_set_blk_dev(const char *ifname, const char *dev_part_str, int fstype) |
190 | { | |
436e2b73 | 191 | struct fstype_info *info; |
045fa1e1 | 192 | int part, i; |
a1b231ce SW |
193 | #ifdef CONFIG_NEEDS_MANUAL_RELOC |
194 | static int relocated; | |
195 | ||
196 | if (!relocated) { | |
436e2b73 SG |
197 | for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); |
198 | i++, info++) { | |
1a1ad8e0 | 199 | info->name += gd->reloc_off; |
436e2b73 SG |
200 | info->probe += gd->reloc_off; |
201 | info->close += gd->reloc_off; | |
202 | info->ls += gd->reloc_off; | |
203 | info->read += gd->reloc_off; | |
a8f6ab52 | 204 | info->write += gd->reloc_off; |
436e2b73 | 205 | } |
a1b231ce SW |
206 | relocated = 1; |
207 | } | |
208 | #endif | |
045fa1e1 SW |
209 | |
210 | part = get_device_and_partition(ifname, dev_part_str, &fs_dev_desc, | |
211 | &fs_partition, 1); | |
212 | if (part < 0) | |
213 | return -1; | |
214 | ||
436e2b73 SG |
215 | for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) { |
216 | if (fstype != FS_TYPE_ANY && info->fstype != FS_TYPE_ANY && | |
217 | fstype != info->fstype) | |
045fa1e1 SW |
218 | continue; |
219 | ||
377202b5 SW |
220 | if (!fs_dev_desc && !info->null_dev_desc_ok) |
221 | continue; | |
222 | ||
2ded0d47 | 223 | if (!info->probe(fs_dev_desc, &fs_partition)) { |
436e2b73 | 224 | fs_type = info->fstype; |
045fa1e1 SW |
225 | return 0; |
226 | } | |
227 | } | |
228 | ||
045fa1e1 SW |
229 | return -1; |
230 | } | |
231 | ||
232 | static void fs_close(void) | |
233 | { | |
c6f548d2 | 234 | struct fstype_info *info = fs_get_info(fs_type); |
045fa1e1 | 235 | |
c6f548d2 | 236 | info->close(); |
e6d52415 | 237 | |
045fa1e1 SW |
238 | fs_type = FS_TYPE_ANY; |
239 | } | |
240 | ||
59e890ef CG |
241 | int fs_uuid(char *uuid_str) |
242 | { | |
243 | struct fstype_info *info = fs_get_info(fs_type); | |
244 | ||
245 | return info->uuid(uuid_str); | |
246 | } | |
247 | ||
045fa1e1 SW |
248 | int fs_ls(const char *dirname) |
249 | { | |
250 | int ret; | |
251 | ||
c6f548d2 SG |
252 | struct fstype_info *info = fs_get_info(fs_type); |
253 | ||
254 | ret = info->ls(dirname); | |
045fa1e1 | 255 | |
e6d52415 | 256 | fs_type = FS_TYPE_ANY; |
045fa1e1 SW |
257 | fs_close(); |
258 | ||
259 | return ret; | |
260 | } | |
261 | ||
6152916a SW |
262 | int fs_exists(const char *filename) |
263 | { | |
264 | int ret; | |
265 | ||
266 | struct fstype_info *info = fs_get_info(fs_type); | |
267 | ||
268 | ret = info->exists(filename); | |
269 | ||
270 | fs_close(); | |
271 | ||
272 | return ret; | |
273 | } | |
274 | ||
d455d878 | 275 | int fs_size(const char *filename, loff_t *size) |
cf659819 SW |
276 | { |
277 | int ret; | |
278 | ||
279 | struct fstype_info *info = fs_get_info(fs_type); | |
280 | ||
d455d878 | 281 | ret = info->size(filename, size); |
cf659819 SW |
282 | |
283 | fs_close(); | |
284 | ||
285 | return ret; | |
286 | } | |
287 | ||
d455d878 SR |
288 | int fs_read(const char *filename, ulong addr, loff_t offset, loff_t len, |
289 | loff_t *actread) | |
045fa1e1 | 290 | { |
c6f548d2 | 291 | struct fstype_info *info = fs_get_info(fs_type); |
117e0507 | 292 | void *buf; |
045fa1e1 SW |
293 | int ret; |
294 | ||
117e0507 SG |
295 | /* |
296 | * We don't actually know how many bytes are being read, since len==0 | |
297 | * means read the whole file. | |
298 | */ | |
299 | buf = map_sysmem(addr, len); | |
d455d878 | 300 | ret = info->read(filename, buf, offset, len, actread); |
117e0507 | 301 | unmap_sysmem(buf); |
045fa1e1 | 302 | |
c6f548d2 | 303 | /* If we requested a specific number of bytes, check we got it */ |
7a3e70cf MK |
304 | if (ret == 0 && len && *actread != len) |
305 | printf("** %s shorter than offset + len **\n", filename); | |
045fa1e1 SW |
306 | fs_close(); |
307 | ||
308 | return ret; | |
309 | } | |
310 | ||
d455d878 SR |
311 | int fs_write(const char *filename, ulong addr, loff_t offset, loff_t len, |
312 | loff_t *actwrite) | |
a8f6ab52 SG |
313 | { |
314 | struct fstype_info *info = fs_get_info(fs_type); | |
315 | void *buf; | |
316 | int ret; | |
317 | ||
a8f6ab52 | 318 | buf = map_sysmem(addr, len); |
d455d878 | 319 | ret = info->write(filename, buf, offset, len, actwrite); |
a8f6ab52 SG |
320 | unmap_sysmem(buf); |
321 | ||
d455d878 | 322 | if (ret < 0 && len != *actwrite) { |
a8f6ab52 SG |
323 | printf("** Unable to write file %s **\n", filename); |
324 | ret = -1; | |
325 | } | |
326 | fs_close(); | |
327 | ||
328 | return ret; | |
329 | } | |
330 | ||
cf659819 SW |
331 | int do_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], |
332 | int fstype) | |
333 | { | |
d455d878 | 334 | loff_t size; |
cf659819 SW |
335 | |
336 | if (argc != 4) | |
337 | return CMD_RET_USAGE; | |
338 | ||
339 | if (fs_set_blk_dev(argv[1], argv[2], fstype)) | |
340 | return 1; | |
341 | ||
d455d878 | 342 | if (fs_size(argv[3], &size) < 0) |
cf659819 SW |
343 | return CMD_RET_FAILURE; |
344 | ||
345 | setenv_hex("filesize", size); | |
346 | ||
347 | return 0; | |
348 | } | |
349 | ||
f9b55e22 | 350 | int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], |
b770e88a | 351 | int fstype) |
045fa1e1 SW |
352 | { |
353 | unsigned long addr; | |
354 | const char *addr_str; | |
355 | const char *filename; | |
d455d878 SR |
356 | loff_t bytes; |
357 | loff_t pos; | |
358 | loff_t len_read; | |
359 | int ret; | |
da1fd96c | 360 | unsigned long time; |
949bbd7c | 361 | char *ep; |
045fa1e1 | 362 | |
e9b0f99e SW |
363 | if (argc < 2) |
364 | return CMD_RET_USAGE; | |
365 | if (argc > 7) | |
045fa1e1 SW |
366 | return CMD_RET_USAGE; |
367 | ||
e9b0f99e | 368 | if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype)) |
045fa1e1 SW |
369 | return 1; |
370 | ||
371 | if (argc >= 4) { | |
949bbd7c PM |
372 | addr = simple_strtoul(argv[3], &ep, 16); |
373 | if (ep == argv[3] || *ep != '\0') | |
374 | return CMD_RET_USAGE; | |
045fa1e1 SW |
375 | } else { |
376 | addr_str = getenv("loadaddr"); | |
377 | if (addr_str != NULL) | |
378 | addr = simple_strtoul(addr_str, NULL, 16); | |
379 | else | |
380 | addr = CONFIG_SYS_LOAD_ADDR; | |
381 | } | |
382 | if (argc >= 5) { | |
383 | filename = argv[4]; | |
384 | } else { | |
385 | filename = getenv("bootfile"); | |
386 | if (!filename) { | |
387 | puts("** No boot file defined **\n"); | |
388 | return 1; | |
389 | } | |
390 | } | |
391 | if (argc >= 6) | |
b770e88a | 392 | bytes = simple_strtoul(argv[5], NULL, 16); |
045fa1e1 SW |
393 | else |
394 | bytes = 0; | |
395 | if (argc >= 7) | |
b770e88a | 396 | pos = simple_strtoul(argv[6], NULL, 16); |
045fa1e1 SW |
397 | else |
398 | pos = 0; | |
399 | ||
da1fd96c | 400 | time = get_timer(0); |
d455d878 | 401 | ret = fs_read(filename, addr, pos, bytes, &len_read); |
da1fd96c | 402 | time = get_timer(time); |
d455d878 | 403 | if (ret < 0) |
045fa1e1 SW |
404 | return 1; |
405 | ||
d455d878 | 406 | printf("%llu bytes read in %lu ms", len_read, time); |
da1fd96c AB |
407 | if (time > 0) { |
408 | puts(" ("); | |
9e374e7b | 409 | print_size(div_u64(len_read, time) * 1000, "/s"); |
da1fd96c AB |
410 | puts(")"); |
411 | } | |
412 | puts("\n"); | |
045fa1e1 | 413 | |
49c4f037 | 414 | setenv_hex("filesize", len_read); |
045fa1e1 SW |
415 | |
416 | return 0; | |
417 | } | |
418 | ||
419 | int do_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], | |
420 | int fstype) | |
421 | { | |
422 | if (argc < 2) | |
423 | return CMD_RET_USAGE; | |
e9b0f99e SW |
424 | if (argc > 4) |
425 | return CMD_RET_USAGE; | |
045fa1e1 SW |
426 | |
427 | if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype)) | |
428 | return 1; | |
429 | ||
e9b0f99e | 430 | if (fs_ls(argc >= 4 ? argv[3] : "/")) |
045fa1e1 SW |
431 | return 1; |
432 | ||
433 | return 0; | |
434 | } | |
a8f6ab52 | 435 | |
6152916a SW |
436 | int file_exists(const char *dev_type, const char *dev_part, const char *file, |
437 | int fstype) | |
438 | { | |
439 | if (fs_set_blk_dev(dev_type, dev_part, fstype)) | |
440 | return 0; | |
441 | ||
442 | return fs_exists(file); | |
443 | } | |
444 | ||
a8f6ab52 | 445 | int do_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], |
b770e88a | 446 | int fstype) |
a8f6ab52 SG |
447 | { |
448 | unsigned long addr; | |
449 | const char *filename; | |
d455d878 SR |
450 | loff_t bytes; |
451 | loff_t pos; | |
452 | loff_t len; | |
453 | int ret; | |
a8f6ab52 SG |
454 | unsigned long time; |
455 | ||
456 | if (argc < 6 || argc > 7) | |
457 | return CMD_RET_USAGE; | |
458 | ||
459 | if (fs_set_blk_dev(argv[1], argv[2], fstype)) | |
460 | return 1; | |
461 | ||
d455d878 SR |
462 | addr = simple_strtoul(argv[3], NULL, 16); |
463 | filename = argv[4]; | |
b770e88a | 464 | bytes = simple_strtoul(argv[5], NULL, 16); |
a8f6ab52 | 465 | if (argc >= 7) |
b770e88a | 466 | pos = simple_strtoul(argv[6], NULL, 16); |
a8f6ab52 SG |
467 | else |
468 | pos = 0; | |
469 | ||
470 | time = get_timer(0); | |
d455d878 | 471 | ret = fs_write(filename, addr, pos, bytes, &len); |
a8f6ab52 | 472 | time = get_timer(time); |
d455d878 | 473 | if (ret < 0) |
a8f6ab52 SG |
474 | return 1; |
475 | ||
d455d878 | 476 | printf("%llu bytes written in %lu ms", len, time); |
a8f6ab52 SG |
477 | if (time > 0) { |
478 | puts(" ("); | |
9e374e7b | 479 | print_size(div_u64(len, time) * 1000, "/s"); |
a8f6ab52 SG |
480 | puts(")"); |
481 | } | |
482 | puts("\n"); | |
483 | ||
484 | return 0; | |
485 | } | |
59e890ef CG |
486 | |
487 | int do_fs_uuid(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], | |
488 | int fstype) | |
489 | { | |
490 | int ret; | |
491 | char uuid[37]; | |
492 | memset(uuid, 0, sizeof(uuid)); | |
493 | ||
494 | if (argc < 3 || argc > 4) | |
495 | return CMD_RET_USAGE; | |
496 | ||
497 | if (fs_set_blk_dev(argv[1], argv[2], fstype)) | |
498 | return 1; | |
499 | ||
500 | ret = fs_uuid(uuid); | |
501 | if (ret) | |
502 | return CMD_RET_FAILURE; | |
503 | ||
504 | if (argc == 4) | |
505 | setenv(argv[3], uuid); | |
506 | else | |
507 | printf("%s\n", uuid); | |
508 | ||
509 | return CMD_RET_SUCCESS; | |
510 | } | |
1a1ad8e0 SS |
511 | |
512 | int do_fs_type(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
513 | { | |
514 | struct fstype_info *info; | |
515 | ||
516 | if (argc < 3 || argc > 4) | |
517 | return CMD_RET_USAGE; | |
518 | ||
519 | if (fs_set_blk_dev(argv[1], argv[2], FS_TYPE_ANY)) | |
520 | return 1; | |
521 | ||
522 | info = fs_get_info(fs_type); | |
523 | ||
524 | if (argc == 4) | |
525 | setenv(argv[3], info->name); | |
526 | else | |
527 | printf("%s\n", info->name); | |
528 | ||
529 | return CMD_RET_SUCCESS; | |
530 | } | |
531 |