Commit | Line | Data |
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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0 |
045fa1e1 SW |
2 | /* |
3 | * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. | |
045fa1e1 SW |
4 | */ |
5 | ||
0d32d8cf HS |
6 | #define LOG_CATEGORY LOGC_CORE |
7 | ||
09140113 | 8 | #include <command.h> |
045fa1e1 | 9 | #include <config.h> |
59e890ef | 10 | #include <errno.h> |
045fa1e1 | 11 | #include <common.h> |
c7694dd4 | 12 | #include <env.h> |
e6f6f9e6 | 13 | #include <lmb.h> |
f7ae49fc | 14 | #include <log.h> |
0eb25b61 | 15 | #include <mapmem.h> |
045fa1e1 SW |
16 | #include <part.h> |
17 | #include <ext4fs.h> | |
18 | #include <fat.h> | |
19 | #include <fs.h> | |
92ccc96b | 20 | #include <sandboxfs.h> |
251cee0d | 21 | #include <ubifs_uboot.h> |
0c936ee3 | 22 | #include <btrfs.h> |
401d1c4f | 23 | #include <asm/global_data.h> |
117e0507 | 24 | #include <asm/io.h> |
9e374e7b TR |
25 | #include <div64.h> |
26 | #include <linux/math64.h> | |
ee88eacb | 27 | #include <efi_loader.h> |
c5100613 | 28 | #include <squashfs.h> |
830613f8 | 29 | #include <erofs.h> |
045fa1e1 | 30 | |
a1b231ce SW |
31 | DECLARE_GLOBAL_DATA_PTR; |
32 | ||
4101f687 | 33 | static struct blk_desc *fs_dev_desc; |
4bbcc965 | 34 | static int fs_dev_part; |
0528979f | 35 | static struct disk_partition fs_partition; |
045fa1e1 SW |
36 | static int fs_type = FS_TYPE_ANY; |
37 | ||
4101f687 | 38 | static inline int fs_probe_unsupported(struct blk_desc *fs_dev_desc, |
0528979f | 39 | struct disk_partition *fs_partition) |
436e2b73 | 40 | { |
3bd0e2ca | 41 | log_debug("Unrecognized filesystem type\n"); |
436e2b73 SG |
42 | return -1; |
43 | } | |
44 | ||
045fa1e1 SW |
45 | static inline int fs_ls_unsupported(const char *dirname) |
46 | { | |
045fa1e1 SW |
47 | return -1; |
48 | } | |
49 | ||
89191d62 RC |
50 | /* generic implementation of ls in terms of opendir/readdir/closedir */ |
51 | __maybe_unused | |
52 | static int fs_ls_generic(const char *dirname) | |
53 | { | |
54 | struct fs_dir_stream *dirs; | |
55 | struct fs_dirent *dent; | |
56 | int nfiles = 0, ndirs = 0; | |
57 | ||
58 | dirs = fs_opendir(dirname); | |
59 | if (!dirs) | |
60 | return -errno; | |
61 | ||
62 | while ((dent = fs_readdir(dirs))) { | |
63 | if (dent->type == FS_DT_DIR) { | |
64 | printf(" %s/\n", dent->name); | |
65 | ndirs++; | |
02c366b5 JMC |
66 | } else if (dent->type == FS_DT_LNK) { |
67 | printf(" <SYM> %s\n", dent->name); | |
68 | nfiles++; | |
89191d62 RC |
69 | } else { |
70 | printf(" %8lld %s\n", dent->size, dent->name); | |
71 | nfiles++; | |
72 | } | |
73 | } | |
74 | ||
75 | fs_closedir(dirs); | |
76 | ||
77 | printf("\n%d file(s), %d dir(s)\n\n", nfiles, ndirs); | |
78 | ||
79 | return 0; | |
80 | } | |
81 | ||
6152916a SW |
82 | static inline int fs_exists_unsupported(const char *filename) |
83 | { | |
84 | return 0; | |
85 | } | |
86 | ||
d455d878 | 87 | static inline int fs_size_unsupported(const char *filename, loff_t *size) |
cf659819 SW |
88 | { |
89 | return -1; | |
90 | } | |
91 | ||
117e0507 | 92 | static inline int fs_read_unsupported(const char *filename, void *buf, |
d455d878 SR |
93 | loff_t offset, loff_t len, |
94 | loff_t *actread) | |
045fa1e1 | 95 | { |
045fa1e1 SW |
96 | return -1; |
97 | } | |
98 | ||
a8f6ab52 | 99 | static inline int fs_write_unsupported(const char *filename, void *buf, |
d455d878 SR |
100 | loff_t offset, loff_t len, |
101 | loff_t *actwrite) | |
a8f6ab52 SG |
102 | { |
103 | return -1; | |
104 | } | |
105 | ||
aaa12157 JJH |
106 | static inline int fs_ln_unsupported(const char *filename, const char *target) |
107 | { | |
108 | return -1; | |
109 | } | |
110 | ||
436e2b73 SG |
111 | static inline void fs_close_unsupported(void) |
112 | { | |
113 | } | |
114 | ||
59e890ef CG |
115 | static inline int fs_uuid_unsupported(char *uuid_str) |
116 | { | |
117 | return -1; | |
118 | } | |
119 | ||
4bbcc965 RC |
120 | static inline int fs_opendir_unsupported(const char *filename, |
121 | struct fs_dir_stream **dirs) | |
122 | { | |
123 | return -EACCES; | |
124 | } | |
125 | ||
e2519daf AT |
126 | static inline int fs_unlink_unsupported(const char *filename) |
127 | { | |
128 | return -1; | |
129 | } | |
130 | ||
e7074cff AT |
131 | static inline int fs_mkdir_unsupported(const char *dirname) |
132 | { | |
133 | return -1; | |
134 | } | |
135 | ||
436e2b73 | 136 | struct fstype_info { |
045fa1e1 | 137 | int fstype; |
1a1ad8e0 | 138 | char *name; |
377202b5 SW |
139 | /* |
140 | * Is it legal to pass NULL as .probe()'s fs_dev_desc parameter? This | |
141 | * should be false in most cases. For "virtual" filesystems which | |
142 | * aren't based on a U-Boot block device (e.g. sandbox), this can be | |
ca230b09 | 143 | * set to true. This should also be true for the dummy entry at the end |
377202b5 SW |
144 | * of fstypes[], since that is essentially a "virtual" (non-existent) |
145 | * filesystem. | |
146 | */ | |
147 | bool null_dev_desc_ok; | |
4101f687 | 148 | int (*probe)(struct blk_desc *fs_dev_desc, |
0528979f | 149 | struct disk_partition *fs_partition); |
436e2b73 | 150 | int (*ls)(const char *dirname); |
6152916a | 151 | int (*exists)(const char *filename); |
d455d878 SR |
152 | int (*size)(const char *filename, loff_t *size); |
153 | int (*read)(const char *filename, void *buf, loff_t offset, | |
154 | loff_t len, loff_t *actread); | |
155 | int (*write)(const char *filename, void *buf, loff_t offset, | |
156 | loff_t len, loff_t *actwrite); | |
436e2b73 | 157 | void (*close)(void); |
59e890ef | 158 | int (*uuid)(char *uuid_str); |
4bbcc965 RC |
159 | /* |
160 | * Open a directory stream. On success return 0 and directory | |
161 | * stream pointer via 'dirsp'. On error, return -errno. See | |
162 | * fs_opendir(). | |
163 | */ | |
164 | int (*opendir)(const char *filename, struct fs_dir_stream **dirsp); | |
165 | /* | |
166 | * Read next entry from directory stream. On success return 0 | |
167 | * and directory entry pointer via 'dentp'. On error return | |
168 | * -errno. See fs_readdir(). | |
169 | */ | |
170 | int (*readdir)(struct fs_dir_stream *dirs, struct fs_dirent **dentp); | |
171 | /* see fs_closedir() */ | |
172 | void (*closedir)(struct fs_dir_stream *dirs); | |
e2519daf | 173 | int (*unlink)(const char *filename); |
e7074cff | 174 | int (*mkdir)(const char *dirname); |
aaa12157 | 175 | int (*ln)(const char *filename, const char *target); |
436e2b73 SG |
176 | }; |
177 | ||
178 | static struct fstype_info fstypes[] = { | |
179 | #ifdef CONFIG_FS_FAT | |
045fa1e1 SW |
180 | { |
181 | .fstype = FS_TYPE_FAT, | |
1a1ad8e0 | 182 | .name = "fat", |
377202b5 | 183 | .null_dev_desc_ok = false, |
e6d52415 SG |
184 | .probe = fat_set_blk_dev, |
185 | .close = fat_close, | |
89191d62 | 186 | .ls = fs_ls_generic, |
b7b5f319 | 187 | .exists = fat_exists, |
cf659819 | 188 | .size = fat_size, |
e6d52415 | 189 | .read = fat_read_file, |
d8c3ea99 | 190 | #if CONFIG_IS_ENABLED(FAT_WRITE) |
d455d878 | 191 | .write = file_fat_write, |
f8240ce9 | 192 | .unlink = fat_unlink, |
31a18d57 | 193 | .mkdir = fat_mkdir, |
d455d878 | 194 | #else |
bd6fb31f | 195 | .write = fs_write_unsupported, |
f8240ce9 | 196 | .unlink = fs_unlink_unsupported, |
31a18d57 | 197 | .mkdir = fs_mkdir_unsupported, |
d455d878 | 198 | #endif |
c0029e4e | 199 | .uuid = fat_uuid, |
89191d62 RC |
200 | .opendir = fat_opendir, |
201 | .readdir = fat_readdir, | |
202 | .closedir = fat_closedir, | |
aaa12157 | 203 | .ln = fs_ln_unsupported, |
045fa1e1 | 204 | }, |
436e2b73 | 205 | #endif |
cafc429f TFC |
206 | |
207 | #if CONFIG_IS_ENABLED(FS_EXT4) | |
045fa1e1 SW |
208 | { |
209 | .fstype = FS_TYPE_EXT, | |
1a1ad8e0 | 210 | .name = "ext4", |
377202b5 | 211 | .null_dev_desc_ok = false, |
e6d52415 SG |
212 | .probe = ext4fs_probe, |
213 | .close = ext4fs_close, | |
436e2b73 | 214 | .ls = ext4fs_ls, |
55af5c93 | 215 | .exists = ext4fs_exists, |
cf659819 | 216 | .size = ext4fs_size, |
e6d52415 | 217 | .read = ext4_read_file, |
d455d878 SR |
218 | #ifdef CONFIG_CMD_EXT4_WRITE |
219 | .write = ext4_write_file, | |
aaa12157 | 220 | .ln = ext4fs_create_link, |
d455d878 | 221 | #else |
bd6fb31f | 222 | .write = fs_write_unsupported, |
aaa12157 | 223 | .ln = fs_ln_unsupported, |
d455d878 | 224 | #endif |
59e890ef | 225 | .uuid = ext4fs_uuid, |
4bbcc965 | 226 | .opendir = fs_opendir_unsupported, |
e2519daf | 227 | .unlink = fs_unlink_unsupported, |
e7074cff | 228 | .mkdir = fs_mkdir_unsupported, |
436e2b73 | 229 | }, |
92ccc96b SG |
230 | #endif |
231 | #ifdef CONFIG_SANDBOX | |
232 | { | |
233 | .fstype = FS_TYPE_SANDBOX, | |
1a1ad8e0 | 234 | .name = "sandbox", |
377202b5 | 235 | .null_dev_desc_ok = true, |
92ccc96b SG |
236 | .probe = sandbox_fs_set_blk_dev, |
237 | .close = sandbox_fs_close, | |
238 | .ls = sandbox_fs_ls, | |
0a30aa1e | 239 | .exists = sandbox_fs_exists, |
cf659819 | 240 | .size = sandbox_fs_size, |
92ccc96b | 241 | .read = fs_read_sandbox, |
7eb2c8d5 | 242 | .write = fs_write_sandbox, |
59e890ef | 243 | .uuid = fs_uuid_unsupported, |
4bbcc965 | 244 | .opendir = fs_opendir_unsupported, |
e2519daf | 245 | .unlink = fs_unlink_unsupported, |
e7074cff | 246 | .mkdir = fs_mkdir_unsupported, |
aaa12157 | 247 | .ln = fs_ln_unsupported, |
92ccc96b | 248 | }, |
251cee0d HG |
249 | #endif |
250 | #ifdef CONFIG_CMD_UBIFS | |
251 | { | |
252 | .fstype = FS_TYPE_UBIFS, | |
253 | .name = "ubifs", | |
254 | .null_dev_desc_ok = true, | |
255 | .probe = ubifs_set_blk_dev, | |
256 | .close = ubifs_close, | |
257 | .ls = ubifs_ls, | |
258 | .exists = ubifs_exists, | |
259 | .size = ubifs_size, | |
260 | .read = ubifs_read, | |
261 | .write = fs_write_unsupported, | |
262 | .uuid = fs_uuid_unsupported, | |
4bbcc965 | 263 | .opendir = fs_opendir_unsupported, |
e2519daf | 264 | .unlink = fs_unlink_unsupported, |
e7074cff | 265 | .mkdir = fs_mkdir_unsupported, |
aaa12157 | 266 | .ln = fs_ln_unsupported, |
251cee0d | 267 | }, |
0c936ee3 MB |
268 | #endif |
269 | #ifdef CONFIG_FS_BTRFS | |
270 | { | |
271 | .fstype = FS_TYPE_BTRFS, | |
272 | .name = "btrfs", | |
273 | .null_dev_desc_ok = false, | |
274 | .probe = btrfs_probe, | |
275 | .close = btrfs_close, | |
276 | .ls = btrfs_ls, | |
277 | .exists = btrfs_exists, | |
278 | .size = btrfs_size, | |
279 | .read = btrfs_read, | |
280 | .write = fs_write_unsupported, | |
281 | .uuid = btrfs_uuid, | |
38fc683d | 282 | .opendir = fs_opendir_unsupported, |
e2519daf | 283 | .unlink = fs_unlink_unsupported, |
e7074cff | 284 | .mkdir = fs_mkdir_unsupported, |
aaa12157 | 285 | .ln = fs_ln_unsupported, |
0c936ee3 | 286 | }, |
c5100613 JMC |
287 | #endif |
288 | #if IS_ENABLED(CONFIG_FS_SQUASHFS) | |
289 | { | |
290 | .fstype = FS_TYPE_SQUASHFS, | |
291 | .name = "squashfs", | |
1b1e0c01 | 292 | .null_dev_desc_ok = false, |
c5100613 JMC |
293 | .probe = sqfs_probe, |
294 | .opendir = sqfs_opendir, | |
295 | .readdir = sqfs_readdir, | |
296 | .ls = fs_ls_generic, | |
297 | .read = sqfs_read, | |
298 | .size = sqfs_size, | |
299 | .close = sqfs_close, | |
300 | .closedir = sqfs_closedir, | |
dd4866b4 | 301 | .exists = sqfs_exists, |
1b1e0c01 RG |
302 | .uuid = fs_uuid_unsupported, |
303 | .write = fs_write_unsupported, | |
304 | .ln = fs_ln_unsupported, | |
305 | .unlink = fs_unlink_unsupported, | |
306 | .mkdir = fs_mkdir_unsupported, | |
c5100613 | 307 | }, |
830613f8 HJ |
308 | #endif |
309 | #if IS_ENABLED(CONFIG_FS_EROFS) | |
310 | { | |
311 | .fstype = FS_TYPE_EROFS, | |
312 | .name = "erofs", | |
313 | .null_dev_desc_ok = false, | |
314 | .probe = erofs_probe, | |
315 | .opendir = erofs_opendir, | |
316 | .readdir = erofs_readdir, | |
317 | .ls = fs_ls_generic, | |
318 | .read = erofs_read, | |
319 | .size = erofs_size, | |
320 | .close = erofs_close, | |
321 | .closedir = erofs_closedir, | |
322 | .exists = erofs_exists, | |
323 | .uuid = fs_uuid_unsupported, | |
324 | .write = fs_write_unsupported, | |
325 | .ln = fs_ln_unsupported, | |
326 | .unlink = fs_unlink_unsupported, | |
327 | .mkdir = fs_mkdir_unsupported, | |
328 | }, | |
436e2b73 SG |
329 | #endif |
330 | { | |
331 | .fstype = FS_TYPE_ANY, | |
1a1ad8e0 | 332 | .name = "unsupported", |
377202b5 | 333 | .null_dev_desc_ok = true, |
436e2b73 SG |
334 | .probe = fs_probe_unsupported, |
335 | .close = fs_close_unsupported, | |
336 | .ls = fs_ls_unsupported, | |
6152916a | 337 | .exists = fs_exists_unsupported, |
cf659819 | 338 | .size = fs_size_unsupported, |
436e2b73 | 339 | .read = fs_read_unsupported, |
a8f6ab52 | 340 | .write = fs_write_unsupported, |
59e890ef | 341 | .uuid = fs_uuid_unsupported, |
4bbcc965 | 342 | .opendir = fs_opendir_unsupported, |
e2519daf | 343 | .unlink = fs_unlink_unsupported, |
e7074cff | 344 | .mkdir = fs_mkdir_unsupported, |
aaa12157 | 345 | .ln = fs_ln_unsupported, |
045fa1e1 SW |
346 | }, |
347 | }; | |
348 | ||
c6f548d2 SG |
349 | static struct fstype_info *fs_get_info(int fstype) |
350 | { | |
351 | struct fstype_info *info; | |
352 | int i; | |
353 | ||
354 | for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes) - 1; i++, info++) { | |
355 | if (fstype == info->fstype) | |
356 | return info; | |
357 | } | |
358 | ||
359 | /* Return the 'unsupported' sentinel */ | |
360 | return info; | |
361 | } | |
362 | ||
b7cd9562 AT |
363 | /** |
364 | * fs_get_type() - Get type of current filesystem | |
365 | * | |
366 | * Return: filesystem type | |
367 | * | |
368 | * Returns filesystem type representing the current filesystem, or | |
369 | * FS_TYPE_ANY for any unrecognised filesystem. | |
370 | */ | |
371 | int fs_get_type(void) | |
372 | { | |
373 | return fs_type; | |
374 | } | |
375 | ||
0d488e8f AK |
376 | /** |
377 | * fs_get_type_name() - Get type of current filesystem | |
378 | * | |
379 | * Return: Pointer to filesystem name | |
380 | * | |
381 | * Returns a string describing the current filesystem, or the sentinel | |
382 | * "unsupported" for any unrecognised filesystem. | |
383 | */ | |
384 | const char *fs_get_type_name(void) | |
385 | { | |
386 | return fs_get_info(fs_type)->name; | |
387 | } | |
388 | ||
045fa1e1 SW |
389 | int fs_set_blk_dev(const char *ifname, const char *dev_part_str, int fstype) |
390 | { | |
436e2b73 | 391 | struct fstype_info *info; |
045fa1e1 | 392 | int part, i; |
a1b231ce SW |
393 | #ifdef CONFIG_NEEDS_MANUAL_RELOC |
394 | static int relocated; | |
395 | ||
396 | if (!relocated) { | |
436e2b73 SG |
397 | for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); |
398 | i++, info++) { | |
1a1ad8e0 | 399 | info->name += gd->reloc_off; |
436e2b73 SG |
400 | info->probe += gd->reloc_off; |
401 | info->close += gd->reloc_off; | |
402 | info->ls += gd->reloc_off; | |
403 | info->read += gd->reloc_off; | |
a8f6ab52 | 404 | info->write += gd->reloc_off; |
436e2b73 | 405 | } |
a1b231ce SW |
406 | relocated = 1; |
407 | } | |
408 | #endif | |
045fa1e1 | 409 | |
7194527b SA |
410 | part = part_get_info_by_dev_and_name_or_num(ifname, dev_part_str, &fs_dev_desc, |
411 | &fs_partition, 1); | |
045fa1e1 SW |
412 | if (part < 0) |
413 | return -1; | |
414 | ||
436e2b73 SG |
415 | for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) { |
416 | if (fstype != FS_TYPE_ANY && info->fstype != FS_TYPE_ANY && | |
417 | fstype != info->fstype) | |
045fa1e1 SW |
418 | continue; |
419 | ||
377202b5 SW |
420 | if (!fs_dev_desc && !info->null_dev_desc_ok) |
421 | continue; | |
422 | ||
4bbcc965 RC |
423 | if (!info->probe(fs_dev_desc, &fs_partition)) { |
424 | fs_type = info->fstype; | |
425 | fs_dev_part = part; | |
426 | return 0; | |
427 | } | |
428 | } | |
429 | ||
430 | return -1; | |
431 | } | |
432 | ||
433 | /* set current blk device w/ blk_desc + partition # */ | |
434 | int fs_set_blk_dev_with_part(struct blk_desc *desc, int part) | |
435 | { | |
436 | struct fstype_info *info; | |
437 | int ret, i; | |
438 | ||
439 | if (part >= 1) | |
440 | ret = part_get_info(desc, part, &fs_partition); | |
441 | else | |
442 | ret = part_get_info_whole_disk(desc, &fs_partition); | |
443 | if (ret) | |
444 | return ret; | |
445 | fs_dev_desc = desc; | |
446 | ||
447 | for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) { | |
2ded0d47 | 448 | if (!info->probe(fs_dev_desc, &fs_partition)) { |
436e2b73 | 449 | fs_type = info->fstype; |
b0c78d8f | 450 | fs_dev_part = part; |
045fa1e1 SW |
451 | return 0; |
452 | } | |
453 | } | |
454 | ||
045fa1e1 SW |
455 | return -1; |
456 | } | |
457 | ||
64f49eb7 | 458 | void fs_close(void) |
045fa1e1 | 459 | { |
c6f548d2 | 460 | struct fstype_info *info = fs_get_info(fs_type); |
045fa1e1 | 461 | |
c6f548d2 | 462 | info->close(); |
e6d52415 | 463 | |
045fa1e1 SW |
464 | fs_type = FS_TYPE_ANY; |
465 | } | |
466 | ||
59e890ef CG |
467 | int fs_uuid(char *uuid_str) |
468 | { | |
469 | struct fstype_info *info = fs_get_info(fs_type); | |
470 | ||
471 | return info->uuid(uuid_str); | |
472 | } | |
473 | ||
045fa1e1 SW |
474 | int fs_ls(const char *dirname) |
475 | { | |
476 | int ret; | |
477 | ||
c6f548d2 SG |
478 | struct fstype_info *info = fs_get_info(fs_type); |
479 | ||
480 | ret = info->ls(dirname); | |
045fa1e1 SW |
481 | |
482 | fs_close(); | |
483 | ||
484 | return ret; | |
485 | } | |
486 | ||
6152916a SW |
487 | int fs_exists(const char *filename) |
488 | { | |
489 | int ret; | |
490 | ||
491 | struct fstype_info *info = fs_get_info(fs_type); | |
492 | ||
493 | ret = info->exists(filename); | |
494 | ||
495 | fs_close(); | |
496 | ||
497 | return ret; | |
498 | } | |
499 | ||
d455d878 | 500 | int fs_size(const char *filename, loff_t *size) |
cf659819 SW |
501 | { |
502 | int ret; | |
503 | ||
504 | struct fstype_info *info = fs_get_info(fs_type); | |
505 | ||
d455d878 | 506 | ret = info->size(filename, size); |
cf659819 SW |
507 | |
508 | fs_close(); | |
509 | ||
510 | return ret; | |
511 | } | |
512 | ||
aa3c609e SG |
513 | #ifdef CONFIG_LMB |
514 | /* Check if a file may be read to the given address */ | |
515 | static int fs_read_lmb_check(const char *filename, ulong addr, loff_t offset, | |
516 | loff_t len, struct fstype_info *info) | |
517 | { | |
518 | struct lmb lmb; | |
519 | int ret; | |
520 | loff_t size; | |
521 | loff_t read_len; | |
522 | ||
523 | /* get the actual size of the file */ | |
524 | ret = info->size(filename, &size); | |
525 | if (ret) | |
526 | return ret; | |
527 | if (offset >= size) { | |
528 | /* offset >= EOF, no bytes will be written */ | |
529 | return 0; | |
530 | } | |
531 | read_len = size - offset; | |
532 | ||
533 | /* limit to 'len' if it is smaller */ | |
534 | if (len && len < read_len) | |
535 | read_len = len; | |
536 | ||
9cc2323f | 537 | lmb_init_and_reserve(&lmb, gd->bd, (void *)gd->fdt_blob); |
aa3c609e SG |
538 | lmb_dump_all(&lmb); |
539 | ||
540 | if (lmb_alloc_addr(&lmb, addr, read_len) == addr) | |
541 | return 0; | |
542 | ||
0d32d8cf | 543 | log_err("** Reading file would overwrite reserved memory **\n"); |
aa3c609e SG |
544 | return -ENOSPC; |
545 | } | |
546 | #endif | |
547 | ||
548 | static int _fs_read(const char *filename, ulong addr, loff_t offset, loff_t len, | |
549 | int do_lmb_check, loff_t *actread) | |
045fa1e1 | 550 | { |
c6f548d2 | 551 | struct fstype_info *info = fs_get_info(fs_type); |
117e0507 | 552 | void *buf; |
045fa1e1 SW |
553 | int ret; |
554 | ||
aa3c609e SG |
555 | #ifdef CONFIG_LMB |
556 | if (do_lmb_check) { | |
557 | ret = fs_read_lmb_check(filename, addr, offset, len, info); | |
558 | if (ret) | |
559 | return ret; | |
560 | } | |
561 | #endif | |
562 | ||
117e0507 SG |
563 | /* |
564 | * We don't actually know how many bytes are being read, since len==0 | |
565 | * means read the whole file. | |
566 | */ | |
567 | buf = map_sysmem(addr, len); | |
d455d878 | 568 | ret = info->read(filename, buf, offset, len, actread); |
117e0507 | 569 | unmap_sysmem(buf); |
045fa1e1 | 570 | |
c6f548d2 | 571 | /* If we requested a specific number of bytes, check we got it */ |
7a3e70cf | 572 | if (ret == 0 && len && *actread != len) |
0d32d8cf | 573 | log_debug("** %s shorter than offset + len **\n", filename); |
045fa1e1 SW |
574 | fs_close(); |
575 | ||
576 | return ret; | |
577 | } | |
578 | ||
aa3c609e SG |
579 | int fs_read(const char *filename, ulong addr, loff_t offset, loff_t len, |
580 | loff_t *actread) | |
581 | { | |
582 | return _fs_read(filename, addr, offset, len, 0, actread); | |
583 | } | |
584 | ||
d455d878 SR |
585 | int fs_write(const char *filename, ulong addr, loff_t offset, loff_t len, |
586 | loff_t *actwrite) | |
a8f6ab52 SG |
587 | { |
588 | struct fstype_info *info = fs_get_info(fs_type); | |
589 | void *buf; | |
590 | int ret; | |
591 | ||
a8f6ab52 | 592 | buf = map_sysmem(addr, len); |
d455d878 | 593 | ret = info->write(filename, buf, offset, len, actwrite); |
a8f6ab52 SG |
594 | unmap_sysmem(buf); |
595 | ||
d455d878 | 596 | if (ret < 0 && len != *actwrite) { |
0d32d8cf | 597 | log_err("** Unable to write file %s **\n", filename); |
a8f6ab52 SG |
598 | ret = -1; |
599 | } | |
600 | fs_close(); | |
601 | ||
602 | return ret; | |
603 | } | |
604 | ||
4bbcc965 RC |
605 | struct fs_dir_stream *fs_opendir(const char *filename) |
606 | { | |
607 | struct fstype_info *info = fs_get_info(fs_type); | |
608 | struct fs_dir_stream *dirs = NULL; | |
609 | int ret; | |
610 | ||
611 | ret = info->opendir(filename, &dirs); | |
612 | fs_close(); | |
613 | if (ret) { | |
614 | errno = -ret; | |
615 | return NULL; | |
616 | } | |
617 | ||
618 | dirs->desc = fs_dev_desc; | |
619 | dirs->part = fs_dev_part; | |
620 | ||
621 | return dirs; | |
622 | } | |
623 | ||
624 | struct fs_dirent *fs_readdir(struct fs_dir_stream *dirs) | |
625 | { | |
626 | struct fstype_info *info; | |
627 | struct fs_dirent *dirent; | |
628 | int ret; | |
629 | ||
630 | fs_set_blk_dev_with_part(dirs->desc, dirs->part); | |
631 | info = fs_get_info(fs_type); | |
632 | ||
633 | ret = info->readdir(dirs, &dirent); | |
634 | fs_close(); | |
635 | if (ret) { | |
636 | errno = -ret; | |
637 | return NULL; | |
638 | } | |
639 | ||
640 | return dirent; | |
641 | } | |
642 | ||
643 | void fs_closedir(struct fs_dir_stream *dirs) | |
644 | { | |
645 | struct fstype_info *info; | |
646 | ||
647 | if (!dirs) | |
648 | return; | |
649 | ||
650 | fs_set_blk_dev_with_part(dirs->desc, dirs->part); | |
651 | info = fs_get_info(fs_type); | |
652 | ||
653 | info->closedir(dirs); | |
654 | fs_close(); | |
655 | } | |
656 | ||
e2519daf AT |
657 | int fs_unlink(const char *filename) |
658 | { | |
659 | int ret; | |
660 | ||
661 | struct fstype_info *info = fs_get_info(fs_type); | |
662 | ||
663 | ret = info->unlink(filename); | |
664 | ||
e2519daf AT |
665 | fs_close(); |
666 | ||
667 | return ret; | |
668 | } | |
4bbcc965 | 669 | |
e7074cff AT |
670 | int fs_mkdir(const char *dirname) |
671 | { | |
672 | int ret; | |
673 | ||
674 | struct fstype_info *info = fs_get_info(fs_type); | |
675 | ||
676 | ret = info->mkdir(dirname); | |
677 | ||
e7074cff AT |
678 | fs_close(); |
679 | ||
680 | return ret; | |
681 | } | |
682 | ||
aaa12157 JJH |
683 | int fs_ln(const char *fname, const char *target) |
684 | { | |
685 | struct fstype_info *info = fs_get_info(fs_type); | |
686 | int ret; | |
687 | ||
688 | ret = info->ln(fname, target); | |
689 | ||
690 | if (ret < 0) { | |
0d32d8cf | 691 | log_err("** Unable to create link %s -> %s **\n", fname, target); |
aaa12157 JJH |
692 | ret = -1; |
693 | } | |
694 | fs_close(); | |
695 | ||
696 | return ret; | |
697 | } | |
698 | ||
09140113 SG |
699 | int do_size(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], |
700 | int fstype) | |
cf659819 | 701 | { |
d455d878 | 702 | loff_t size; |
cf659819 SW |
703 | |
704 | if (argc != 4) | |
705 | return CMD_RET_USAGE; | |
706 | ||
707 | if (fs_set_blk_dev(argv[1], argv[2], fstype)) | |
708 | return 1; | |
709 | ||
d455d878 | 710 | if (fs_size(argv[3], &size) < 0) |
cf659819 SW |
711 | return CMD_RET_FAILURE; |
712 | ||
018f5303 | 713 | env_set_hex("filesize", size); |
cf659819 SW |
714 | |
715 | return 0; | |
716 | } | |
717 | ||
09140113 SG |
718 | int do_load(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], |
719 | int fstype) | |
045fa1e1 SW |
720 | { |
721 | unsigned long addr; | |
722 | const char *addr_str; | |
723 | const char *filename; | |
d455d878 SR |
724 | loff_t bytes; |
725 | loff_t pos; | |
726 | loff_t len_read; | |
727 | int ret; | |
da1fd96c | 728 | unsigned long time; |
949bbd7c | 729 | char *ep; |
045fa1e1 | 730 | |
e9b0f99e SW |
731 | if (argc < 2) |
732 | return CMD_RET_USAGE; | |
733 | if (argc > 7) | |
045fa1e1 SW |
734 | return CMD_RET_USAGE; |
735 | ||
ec9d19be HS |
736 | if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype)) { |
737 | log_err("Can't set block device\n"); | |
045fa1e1 | 738 | return 1; |
ec9d19be | 739 | } |
045fa1e1 SW |
740 | |
741 | if (argc >= 4) { | |
7e5f460e | 742 | addr = hextoul(argv[3], &ep); |
949bbd7c PM |
743 | if (ep == argv[3] || *ep != '\0') |
744 | return CMD_RET_USAGE; | |
045fa1e1 | 745 | } else { |
00caae6d | 746 | addr_str = env_get("loadaddr"); |
045fa1e1 | 747 | if (addr_str != NULL) |
7e5f460e | 748 | addr = hextoul(addr_str, NULL); |
045fa1e1 SW |
749 | else |
750 | addr = CONFIG_SYS_LOAD_ADDR; | |
751 | } | |
752 | if (argc >= 5) { | |
753 | filename = argv[4]; | |
754 | } else { | |
00caae6d | 755 | filename = env_get("bootfile"); |
045fa1e1 SW |
756 | if (!filename) { |
757 | puts("** No boot file defined **\n"); | |
758 | return 1; | |
759 | } | |
760 | } | |
761 | if (argc >= 6) | |
7e5f460e | 762 | bytes = hextoul(argv[5], NULL); |
045fa1e1 SW |
763 | else |
764 | bytes = 0; | |
765 | if (argc >= 7) | |
7e5f460e | 766 | pos = hextoul(argv[6], NULL); |
045fa1e1 SW |
767 | else |
768 | pos = 0; | |
769 | ||
da1fd96c | 770 | time = get_timer(0); |
aa3c609e | 771 | ret = _fs_read(filename, addr, pos, bytes, 1, &len_read); |
da1fd96c | 772 | time = get_timer(time); |
1244f369 | 773 | if (ret < 0) { |
0d32d8cf | 774 | log_err("Failed to load '%s'\n", filename); |
045fa1e1 | 775 | return 1; |
1244f369 HS |
776 | } |
777 | ||
778 | if (IS_ENABLED(CONFIG_CMD_BOOTEFI)) | |
779 | efi_set_bootdev(argv[1], (argc > 2) ? argv[2] : "", | |
5f59518a HS |
780 | (argc > 4) ? argv[4] : "", map_sysmem(addr, 0), |
781 | len_read); | |
045fa1e1 | 782 | |
d455d878 | 783 | printf("%llu bytes read in %lu ms", len_read, time); |
da1fd96c AB |
784 | if (time > 0) { |
785 | puts(" ("); | |
9e374e7b | 786 | print_size(div_u64(len_read, time) * 1000, "/s"); |
da1fd96c AB |
787 | puts(")"); |
788 | } | |
789 | puts("\n"); | |
045fa1e1 | 790 | |
018f5303 SG |
791 | env_set_hex("fileaddr", addr); |
792 | env_set_hex("filesize", len_read); | |
045fa1e1 SW |
793 | |
794 | return 0; | |
795 | } | |
796 | ||
09140113 SG |
797 | int do_ls(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], |
798 | int fstype) | |
045fa1e1 SW |
799 | { |
800 | if (argc < 2) | |
801 | return CMD_RET_USAGE; | |
e9b0f99e SW |
802 | if (argc > 4) |
803 | return CMD_RET_USAGE; | |
045fa1e1 SW |
804 | |
805 | if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype)) | |
806 | return 1; | |
807 | ||
e9b0f99e | 808 | if (fs_ls(argc >= 4 ? argv[3] : "/")) |
045fa1e1 SW |
809 | return 1; |
810 | ||
811 | return 0; | |
812 | } | |
a8f6ab52 | 813 | |
6152916a SW |
814 | int file_exists(const char *dev_type, const char *dev_part, const char *file, |
815 | int fstype) | |
816 | { | |
817 | if (fs_set_blk_dev(dev_type, dev_part, fstype)) | |
818 | return 0; | |
819 | ||
820 | return fs_exists(file); | |
821 | } | |
822 | ||
09140113 SG |
823 | int do_save(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], |
824 | int fstype) | |
a8f6ab52 SG |
825 | { |
826 | unsigned long addr; | |
827 | const char *filename; | |
d455d878 SR |
828 | loff_t bytes; |
829 | loff_t pos; | |
830 | loff_t len; | |
831 | int ret; | |
a8f6ab52 SG |
832 | unsigned long time; |
833 | ||
834 | if (argc < 6 || argc > 7) | |
835 | return CMD_RET_USAGE; | |
836 | ||
837 | if (fs_set_blk_dev(argv[1], argv[2], fstype)) | |
838 | return 1; | |
839 | ||
7e5f460e | 840 | addr = hextoul(argv[3], NULL); |
d455d878 | 841 | filename = argv[4]; |
7e5f460e | 842 | bytes = hextoul(argv[5], NULL); |
a8f6ab52 | 843 | if (argc >= 7) |
7e5f460e | 844 | pos = hextoul(argv[6], NULL); |
a8f6ab52 SG |
845 | else |
846 | pos = 0; | |
847 | ||
848 | time = get_timer(0); | |
d455d878 | 849 | ret = fs_write(filename, addr, pos, bytes, &len); |
a8f6ab52 | 850 | time = get_timer(time); |
d455d878 | 851 | if (ret < 0) |
a8f6ab52 SG |
852 | return 1; |
853 | ||
d455d878 | 854 | printf("%llu bytes written in %lu ms", len, time); |
a8f6ab52 SG |
855 | if (time > 0) { |
856 | puts(" ("); | |
9e374e7b | 857 | print_size(div_u64(len, time) * 1000, "/s"); |
a8f6ab52 SG |
858 | puts(")"); |
859 | } | |
860 | puts("\n"); | |
861 | ||
862 | return 0; | |
863 | } | |
59e890ef | 864 | |
09140113 SG |
865 | int do_fs_uuid(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], |
866 | int fstype) | |
59e890ef CG |
867 | { |
868 | int ret; | |
869 | char uuid[37]; | |
870 | memset(uuid, 0, sizeof(uuid)); | |
871 | ||
872 | if (argc < 3 || argc > 4) | |
873 | return CMD_RET_USAGE; | |
874 | ||
875 | if (fs_set_blk_dev(argv[1], argv[2], fstype)) | |
876 | return 1; | |
877 | ||
878 | ret = fs_uuid(uuid); | |
879 | if (ret) | |
880 | return CMD_RET_FAILURE; | |
881 | ||
882 | if (argc == 4) | |
382bee57 | 883 | env_set(argv[3], uuid); |
59e890ef CG |
884 | else |
885 | printf("%s\n", uuid); | |
886 | ||
887 | return CMD_RET_SUCCESS; | |
888 | } | |
1a1ad8e0 | 889 | |
09140113 | 890 | int do_fs_type(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) |
1a1ad8e0 SS |
891 | { |
892 | struct fstype_info *info; | |
893 | ||
894 | if (argc < 3 || argc > 4) | |
895 | return CMD_RET_USAGE; | |
896 | ||
897 | if (fs_set_blk_dev(argv[1], argv[2], FS_TYPE_ANY)) | |
898 | return 1; | |
899 | ||
900 | info = fs_get_info(fs_type); | |
901 | ||
902 | if (argc == 4) | |
382bee57 | 903 | env_set(argv[3], info->name); |
1a1ad8e0 SS |
904 | else |
905 | printf("%s\n", info->name); | |
906 | ||
e531c673 MV |
907 | fs_close(); |
908 | ||
1a1ad8e0 SS |
909 | return CMD_RET_SUCCESS; |
910 | } | |
911 | ||
09140113 | 912 | int do_rm(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], |
e2519daf AT |
913 | int fstype) |
914 | { | |
915 | if (argc != 4) | |
916 | return CMD_RET_USAGE; | |
917 | ||
918 | if (fs_set_blk_dev(argv[1], argv[2], fstype)) | |
919 | return 1; | |
920 | ||
921 | if (fs_unlink(argv[3])) | |
922 | return 1; | |
923 | ||
924 | return 0; | |
925 | } | |
926 | ||
09140113 | 927 | int do_mkdir(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], |
e7074cff AT |
928 | int fstype) |
929 | { | |
930 | int ret; | |
931 | ||
932 | if (argc != 4) | |
933 | return CMD_RET_USAGE; | |
934 | ||
935 | if (fs_set_blk_dev(argv[1], argv[2], fstype)) | |
936 | return 1; | |
937 | ||
938 | ret = fs_mkdir(argv[3]); | |
939 | if (ret) { | |
0d32d8cf | 940 | log_err("** Unable to create a directory \"%s\" **\n", argv[3]); |
e7074cff AT |
941 | return 1; |
942 | } | |
943 | ||
944 | return 0; | |
945 | } | |
aaa12157 | 946 | |
09140113 | 947 | int do_ln(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[], |
aaa12157 JJH |
948 | int fstype) |
949 | { | |
950 | if (argc != 5) | |
951 | return CMD_RET_USAGE; | |
952 | ||
953 | if (fs_set_blk_dev(argv[1], argv[2], fstype)) | |
954 | return 1; | |
955 | ||
956 | if (fs_ln(argv[3], argv[4])) | |
957 | return 1; | |
958 | ||
959 | return 0; | |
960 | } | |
2280fa56 NF |
961 | |
962 | int do_fs_types(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[]) | |
963 | { | |
964 | struct fstype_info *drv = fstypes; | |
965 | const int n_ents = ARRAY_SIZE(fstypes); | |
966 | struct fstype_info *entry; | |
967 | int i = 0; | |
968 | ||
969 | puts("Supported filesystems"); | |
970 | for (entry = drv; entry != drv + n_ents; entry++) { | |
971 | if (entry->fstype != FS_TYPE_ANY) { | |
972 | printf("%c %s", i ? ',' : ':', entry->name); | |
973 | i++; | |
974 | } | |
975 | } | |
976 | if (!i) | |
977 | puts(": <none>"); | |
978 | puts("\n"); | |
979 | return CMD_RET_SUCCESS; | |
980 | } |