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