blob: b61ae1efea485664f457cfadd347b774c40a4900 [file] [log] [blame]
Kyungmin Park694a0b32008-11-19 11:47:05 +01001/*
2 * Unsorted Block Image commands
3 *
4 * Copyright (C) 2008 Samsung Electronics
5 * Kyungmin Park <kyungmin.park@samsung.com>
6 *
Stefan Roese2d579e52009-04-24 20:24:19 +02007 * Copyright 2008-2009 Stefan Roese <sr@denx.de>, DENX Software Engineering
Kyungmin Park694a0b32008-11-19 11:47:05 +01008 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#include <common.h>
15#include <command.h>
Simon Glassc7694dd2019-08-01 09:46:46 -060016#include <env.h>
Kyungmin Park694a0b32008-11-19 11:47:05 +010017#include <exports.h>
Simon Glass336d4612020-02-03 07:36:16 -070018#include <malloc.h>
Simon Glass6e295182015-09-02 17:24:57 -060019#include <memalign.h>
Miquel Raynalc58fb2c2018-09-29 12:58:29 +020020#include <mtd.h>
Kyungmin Park694a0b32008-11-19 11:47:05 +010021#include <nand.h>
22#include <onenand_uboot.h>
Simon Glass61b29b82020-02-03 07:36:15 -070023#include <dm/devres.h>
Kyungmin Park694a0b32008-11-19 11:47:05 +010024#include <linux/mtd/mtd.h>
25#include <linux/mtd/partitions.h>
Heiko Schocherff94bc42014-06-24 10:10:04 +020026#include <linux/err.h>
Kyungmin Park694a0b32008-11-19 11:47:05 +010027#include <ubi_uboot.h>
Masahiro Yamada1221ce42016-09-21 11:28:55 +090028#include <linux/errno.h>
Kyungmin Park694a0b32008-11-19 11:47:05 +010029#include <jffs2/load_kernel.h>
Pali Rohár6de1daf2022-09-12 11:38:55 +020030#include <linux/log2.h>
Kyungmin Park694a0b32008-11-19 11:47:05 +010031
Joe Hershberger147162d2013-04-08 10:32:49 +000032#undef ubi_msg
33#define ubi_msg(fmt, ...) printf("UBI: " fmt "\n", ##__VA_ARGS__)
34
Kyungmin Park694a0b32008-11-19 11:47:05 +010035/* Private own data */
36static struct ubi_device *ubi;
Kyungmin Park694a0b32008-11-19 11:47:05 +010037
Stefan Roese2f15cfd2010-11-01 17:28:22 +010038#ifdef CONFIG_CMD_UBIFS
Tien Fong Chee10c20442018-07-06 16:25:12 +080039#include <ubifs_uboot.h>
Stefan Roese2f15cfd2010-11-01 17:28:22 +010040#endif
41
Kyungmin Park694a0b32008-11-19 11:47:05 +010042static void display_volume_info(struct ubi_device *ubi)
43{
44 int i;
45
46 for (i = 0; i < (ubi->vtbl_slots + 1); i++) {
47 if (!ubi->volumes[i])
48 continue; /* Empty record */
49 ubi_dump_vol_info(ubi->volumes[i]);
50 }
51}
52
53static void display_ubi_info(struct ubi_device *ubi)
54{
55 ubi_msg("MTD device name: \"%s\"", ubi->mtd->name);
56 ubi_msg("MTD device size: %llu MiB", ubi->flash_size >> 20);
57 ubi_msg("physical eraseblock size: %d bytes (%d KiB)",
58 ubi->peb_size, ubi->peb_size >> 10);
59 ubi_msg("logical eraseblock size: %d bytes", ubi->leb_size);
60 ubi_msg("number of good PEBs: %d", ubi->good_peb_count);
61 ubi_msg("number of bad PEBs: %d", ubi->bad_peb_count);
62 ubi_msg("smallest flash I/O unit: %d", ubi->min_io_size);
63 ubi_msg("VID header offset: %d (aligned %d)",
64 ubi->vid_hdr_offset, ubi->vid_hdr_aloffset);
65 ubi_msg("data offset: %d", ubi->leb_start);
66 ubi_msg("max. allowed volumes: %d", ubi->vtbl_slots);
67 ubi_msg("wear-leveling threshold: %d", CONFIG_MTD_UBI_WL_THRESHOLD);
68 ubi_msg("number of internal volumes: %d", UBI_INT_VOL_COUNT);
69 ubi_msg("number of user volumes: %d",
70 ubi->vol_count - UBI_INT_VOL_COUNT);
71 ubi_msg("available PEBs: %d", ubi->avail_pebs);
72 ubi_msg("total number of reserved PEBs: %d", ubi->rsvd_pebs);
73 ubi_msg("number of PEBs reserved for bad PEB handling: %d",
74 ubi->beb_rsvd_pebs);
75 ubi_msg("max/mean erase counter: %d/%d", ubi->max_ec, ubi->mean_ec);
76}
77
78static int ubi_info(int layout)
79{
80 if (layout)
81 display_volume_info(ubi);
82 else
83 display_ubi_info(ubi);
84
85 return 0;
86}
87
Pali Rohár6de1daf2022-09-12 11:38:55 +020088static int ubi_list(const char *var, int numeric)
89{
90 size_t namelen, len, size;
91 char *str, *str2;
92 int i;
93
94 if (!var) {
95 for (i = 0; i < (ubi->vtbl_slots + 1); i++) {
96 if (!ubi->volumes[i])
97 continue;
98 if (ubi->volumes[i]->vol_id >= UBI_INTERNAL_VOL_START)
99 continue;
100 printf("%d: %s\n",
101 ubi->volumes[i]->vol_id,
102 ubi->volumes[i]->name);
103 }
104 return 0;
105 }
106
107 len = 0;
108 size = 16;
109 str = malloc(size);
110 if (!str)
111 return 1;
112
113 for (i = 0; i < (ubi->vtbl_slots + 1); i++) {
114 if (!ubi->volumes[i])
115 continue;
116 if (ubi->volumes[i]->vol_id >= UBI_INTERNAL_VOL_START)
117 continue;
118
119 if (numeric)
120 namelen = 10; /* strlen(stringify(INT_MAX)) */
121 else
122 namelen = strlen(ubi->volumes[i]->name);
123
124 if (len + namelen + 1 > size) {
125 size = roundup_pow_of_two(len + namelen + 1) * 2;
126 str2 = realloc(str, size);
127 if (!str2) {
128 free(str);
129 return 1;
130 }
131 str = str2;
132 }
133
134 if (len)
135 str[len++] = ' ';
136
137 if (numeric) {
138 len += sprintf(str + len, "%d", ubi->volumes[i]->vol_id) + 1;
139 } else {
140 memcpy(str + len, ubi->volumes[i]->name, namelen);
141 len += namelen;
142 str[len] = 0;
143 }
144 }
145
146 env_set(var, str);
147 free(str);
148
149 return 0;
150}
151
Heiko Schocherf9f4d802014-01-25 07:27:11 +0100152static int ubi_check_volumename(const struct ubi_volume *vol, char *name)
153{
154 return strcmp(vol->name, name);
155}
156
157static int ubi_check(char *name)
158{
159 int i;
160
161 for (i = 0; i < (ubi->vtbl_slots + 1); i++) {
162 if (!ubi->volumes[i])
163 continue; /* Empty record */
164
165 if (!ubi_check_volumename(ubi->volumes[i], name))
166 return 0;
167 }
168
Stefan Agner6d0f4522015-04-10 11:25:43 +0200169 return 1;
Heiko Schocherf9f4d802014-01-25 07:27:11 +0100170}
171
Kyungmin Park694a0b32008-11-19 11:47:05 +0100172static int verify_mkvol_req(const struct ubi_device *ubi,
173 const struct ubi_mkvol_req *req)
174{
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100175 int n, err = EINVAL;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100176
177 if (req->bytes < 0 || req->alignment < 0 || req->vol_type < 0 ||
178 req->name_len < 0)
179 goto bad;
180
181 if ((req->vol_id < 0 || req->vol_id >= ubi->vtbl_slots) &&
182 req->vol_id != UBI_VOL_NUM_AUTO)
183 goto bad;
184
185 if (req->alignment == 0)
186 goto bad;
187
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100188 if (req->bytes == 0) {
189 printf("No space left in UBI device!\n");
190 err = ENOMEM;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100191 goto bad;
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100192 }
Kyungmin Park694a0b32008-11-19 11:47:05 +0100193
194 if (req->vol_type != UBI_DYNAMIC_VOLUME &&
195 req->vol_type != UBI_STATIC_VOLUME)
196 goto bad;
197
198 if (req->alignment > ubi->leb_size)
199 goto bad;
200
201 n = req->alignment % ubi->min_io_size;
202 if (req->alignment != 1 && n)
203 goto bad;
204
205 if (req->name_len > UBI_VOL_NAME_MAX) {
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100206 printf("Name too long!\n");
207 err = ENAMETOOLONG;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100208 goto bad;
209 }
210
211 return 0;
212bad:
Kyungmin Park694a0b32008-11-19 11:47:05 +0100213 return err;
214}
215
Quentin Schulz386f20c2019-09-12 16:41:01 +0200216static int ubi_create_vol(char *volume, int64_t size, int dynamic, int vol_id,
217 bool skipcheck)
Kyungmin Park694a0b32008-11-19 11:47:05 +0100218{
219 struct ubi_mkvol_req req;
220 int err;
221
222 if (dynamic)
223 req.vol_type = UBI_DYNAMIC_VOLUME;
224 else
225 req.vol_type = UBI_STATIC_VOLUME;
226
Ladislav Michl00612422016-09-13 07:14:01 +0200227 req.vol_id = vol_id;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100228 req.alignment = 1;
229 req.bytes = size;
230
231 strcpy(req.name, volume);
232 req.name_len = strlen(volume);
233 req.name[req.name_len] = '\0';
Quentin Schulz386f20c2019-09-12 16:41:01 +0200234 req.flags = 0;
235 if (skipcheck)
236 req.flags |= UBI_VOL_SKIP_CRC_CHECK_FLG;
237
Kyungmin Park694a0b32008-11-19 11:47:05 +0100238 /* It's duplicated at drivers/mtd/ubi/cdev.c */
239 err = verify_mkvol_req(ubi, &req);
240 if (err) {
241 printf("verify_mkvol_req failed %d\n", err);
242 return err;
243 }
Paul Burtondd7185f2013-09-04 15:16:58 +0100244 printf("Creating %s volume %s of size %lld\n",
Kyungmin Park694a0b32008-11-19 11:47:05 +0100245 dynamic ? "dynamic" : "static", volume, size);
246 /* Call real ubi create volume */
247 return ubi_create_volume(ubi, &req);
248}
249
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100250static struct ubi_volume *ubi_find_volume(char *volume)
Kyungmin Park694a0b32008-11-19 11:47:05 +0100251{
Peter Tyser3b653fd2010-04-04 22:40:50 -0500252 struct ubi_volume *vol = NULL;
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100253 int i;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100254
255 for (i = 0; i < ubi->vtbl_slots; i++) {
256 vol = ubi->volumes[i];
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100257 if (vol && !strcmp(vol->name, volume))
258 return vol;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100259 }
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100260
261 printf("Volume %s not found!\n", volume);
262 return NULL;
263}
264
265static int ubi_remove_vol(char *volume)
266{
267 int err, reserved_pebs, i;
268 struct ubi_volume *vol;
269
270 vol = ubi_find_volume(volume);
271 if (vol == NULL)
272 return ENODEV;
273
274 printf("Remove UBI volume %s (id %d)\n", vol->name, vol->vol_id);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100275
276 if (ubi->ro_mode) {
277 printf("It's read-only mode\n");
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100278 err = EROFS;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100279 goto out_err;
280 }
281
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100282 err = ubi_change_vtbl_record(ubi, vol->vol_id, NULL);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100283 if (err) {
284 printf("Error changing Vol tabel record err=%x\n", err);
285 goto out_err;
286 }
287 reserved_pebs = vol->reserved_pebs;
288 for (i = 0; i < vol->reserved_pebs; i++) {
289 err = ubi_eba_unmap_leb(ubi, vol, i);
290 if (err)
291 goto out_err;
292 }
293
294 kfree(vol->eba_tbl);
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100295 ubi->volumes[vol->vol_id]->eba_tbl = NULL;
296 ubi->volumes[vol->vol_id] = NULL;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100297
298 ubi->rsvd_pebs -= reserved_pebs;
299 ubi->avail_pebs += reserved_pebs;
300 i = ubi->beb_rsvd_level - ubi->beb_rsvd_pebs;
301 if (i > 0) {
302 i = ubi->avail_pebs >= i ? i : ubi->avail_pebs;
303 ubi->avail_pebs -= i;
304 ubi->rsvd_pebs += i;
305 ubi->beb_rsvd_pebs += i;
306 if (i > 0)
307 ubi_msg("reserve more %d PEBs", i);
308 }
309 ubi->vol_count -= 1;
310
311 return 0;
312out_err:
Heiko Schocher0195a7b2015-10-22 06:19:21 +0200313 ubi_err(ubi, "cannot remove volume %s, error %d", volume, err);
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100314 if (err < 0)
315 err = -err;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100316 return err;
317}
318
Philippe Reynes83f70782020-03-23 19:20:47 +0100319static int ubi_rename_vol(char *oldname, char *newname)
320{
321 struct ubi_volume *vol;
322 struct ubi_rename_entry rename;
323 struct ubi_volume_desc desc;
324 struct list_head list;
325
326 vol = ubi_find_volume(oldname);
327 if (!vol) {
328 printf("%s: volume %s doesn't exist\n", __func__, oldname);
329 return ENODEV;
330 }
331
Philippe Reynes16399882020-12-23 15:33:07 +0100332 if (!ubi_check(newname)) {
333 printf("%s: volume %s already exist\n", __func__, newname);
334 return EINVAL;
335 }
336
Philippe Reynes83f70782020-03-23 19:20:47 +0100337 printf("Rename UBI volume %s to %s\n", oldname, newname);
338
339 if (ubi->ro_mode) {
340 printf("%s: ubi device is in read-only mode\n", __func__);
341 return EROFS;
342 }
343
344 rename.new_name_len = strlen(newname);
345 strcpy(rename.new_name, newname);
346 rename.remove = 0;
347 desc.vol = vol;
348 desc.mode = 0;
349 rename.desc = &desc;
350 INIT_LIST_HEAD(&rename.list);
351 INIT_LIST_HEAD(&list);
352 list_add(&rename.list, &list);
353
354 return ubi_rename_volumes(ubi, &list);
355}
356
Jeroen Hofstee0e350f82014-06-23 00:22:08 +0200357static int ubi_volume_continue_write(char *volume, void *buf, size_t size)
Kyungmin Park694a0b32008-11-19 11:47:05 +0100358{
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100359 int err = 1;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100360 struct ubi_volume *vol;
361
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100362 vol = ubi_find_volume(volume);
363 if (vol == NULL)
364 return ENODEV;
365
Kyungmin Park694a0b32008-11-19 11:47:05 +0100366 err = ubi_more_update_data(ubi, vol, buf, size);
367 if (err < 0) {
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100368 printf("Couldnt or partially wrote data\n");
369 return -err;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100370 }
371
372 if (err) {
373 size = err;
374
375 err = ubi_check_volume(ubi, vol->vol_id);
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100376 if (err < 0)
377 return -err;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100378
379 if (err) {
Heiko Schocher0195a7b2015-10-22 06:19:21 +0200380 ubi_warn(ubi, "volume %d on UBI device %d is corrupt",
381 vol->vol_id, ubi->ubi_num);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100382 vol->corrupted = 1;
383 }
384
385 vol->checked = 1;
386 ubi_gluebi_updated(vol);
387 }
388
389 return 0;
390}
391
Paul Burtoncc734f52013-09-04 15:16:59 +0100392int ubi_volume_begin_write(char *volume, void *buf, size_t size,
393 size_t full_size)
394{
395 int err = 1;
396 int rsvd_bytes = 0;
397 struct ubi_volume *vol;
398
399 vol = ubi_find_volume(volume);
400 if (vol == NULL)
401 return ENODEV;
402
403 rsvd_bytes = vol->reserved_pebs * (ubi->leb_size - vol->data_pad);
xypron.glpk@gmx.de18f41f22017-04-15 16:25:25 +0200404 if (size > rsvd_bytes) {
Paul Burtoncc734f52013-09-04 15:16:59 +0100405 printf("size > volume size! Aborting!\n");
406 return EINVAL;
407 }
408
409 err = ubi_start_update(ubi, vol, full_size);
410 if (err < 0) {
411 printf("Cannot start volume update\n");
412 return -err;
413 }
414
415 return ubi_volume_continue_write(volume, buf, size);
416}
417
418int ubi_volume_write(char *volume, void *buf, size_t size)
419{
420 return ubi_volume_begin_write(volume, buf, size, size);
421}
422
Joe Hershberger71829062013-04-08 10:32:47 +0000423int ubi_volume_read(char *volume, char *buf, size_t size)
Kyungmin Park694a0b32008-11-19 11:47:05 +0100424{
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100425 int err, lnum, off, len, tbuf_size;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100426 void *tbuf;
427 unsigned long long tmp;
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100428 struct ubi_volume *vol;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100429 loff_t offp = 0;
Holger Dengler985fa932017-08-30 18:38:52 +0200430 size_t len_read;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100431
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100432 vol = ubi_find_volume(volume);
433 if (vol == NULL)
434 return ENODEV;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100435
Kyungmin Park694a0b32008-11-19 11:47:05 +0100436 if (vol->updating) {
437 printf("updating");
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100438 return EBUSY;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100439 }
440 if (vol->upd_marker) {
441 printf("damaged volume, update marker is set");
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100442 return EBADF;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100443 }
444 if (offp == vol->used_bytes)
445 return 0;
446
447 if (size == 0) {
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100448 printf("No size specified -> Using max size (%lld)\n", vol->used_bytes);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100449 size = vol->used_bytes;
450 }
451
Tom Rini13415332018-07-26 11:17:24 -0400452 printf("Read %zu bytes from volume %s to %p\n", size, volume, buf);
Stefan Agner68c70252018-06-25 11:19:12 +0200453
Kyungmin Park694a0b32008-11-19 11:47:05 +0100454 if (vol->corrupted)
455 printf("read from corrupted volume %d", vol->vol_id);
456 if (offp + size > vol->used_bytes)
Marek Vasut2984fd12011-09-30 12:13:25 +0200457 size = vol->used_bytes - offp;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100458
459 tbuf_size = vol->usable_leb_size;
460 if (size < tbuf_size)
461 tbuf_size = ALIGN(size, ubi->min_io_size);
Marcel Ziswiler45196682015-08-18 13:06:37 +0200462 tbuf = malloc_cache_aligned(tbuf_size);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100463 if (!tbuf) {
464 printf("NO MEM\n");
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100465 return ENOMEM;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100466 }
467 len = size > tbuf_size ? tbuf_size : size;
468
469 tmp = offp;
470 off = do_div(tmp, vol->usable_leb_size);
471 lnum = tmp;
Holger Dengler985fa932017-08-30 18:38:52 +0200472 len_read = size;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100473 do {
474 if (off + len >= vol->usable_leb_size)
475 len = vol->usable_leb_size - off;
476
477 err = ubi_eba_read_leb(ubi, vol, lnum, tbuf, off, len, 0);
478 if (err) {
479 printf("read err %x\n", err);
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100480 err = -err;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100481 break;
482 }
483 off += len;
484 if (off == vol->usable_leb_size) {
485 lnum += 1;
486 off -= vol->usable_leb_size;
487 }
488
489 size -= len;
490 offp += len;
491
Kyungmin Park694a0b32008-11-19 11:47:05 +0100492 memcpy(buf, tbuf, len);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100493
494 buf += len;
495 len = size > tbuf_size ? tbuf_size : size;
496 } while (size);
497
Holger Dengler985fa932017-08-30 18:38:52 +0200498 if (!size)
499 env_set_hex("filesize", len_read);
500
Kyungmin Park694a0b32008-11-19 11:47:05 +0100501 free(tbuf);
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100502 return err;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100503}
504
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200505static int ubi_dev_scan(struct mtd_info *info, const char *vid_header_offset)
Kyungmin Park694a0b32008-11-19 11:47:05 +0100506{
Simon Kagstrom25c8f402009-07-07 16:59:46 +0200507 char ubi_mtd_param_buffer[80];
Kyungmin Park694a0b32008-11-19 11:47:05 +0100508 int err;
509
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200510 if (!vid_header_offset)
511 sprintf(ubi_mtd_param_buffer, "%s", info->name);
512 else
513 sprintf(ubi_mtd_param_buffer, "%s,%s", info->name,
514 vid_header_offset);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100515
Simon Kagstrom25c8f402009-07-07 16:59:46 +0200516 err = ubi_mtd_param_parse(ubi_mtd_param_buffer, NULL);
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200517 if (err)
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100518 return -err;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100519
520 err = ubi_init();
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200521 if (err)
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100522 return -err;
Stefan Roese2ee951b2008-11-27 14:07:09 +0100523
Kyungmin Park694a0b32008-11-19 11:47:05 +0100524 return 0;
525}
526
Stefan Roesee6661cf2019-09-17 09:17:53 +0200527static int ubi_set_skip_check(char *volume, bool skip_check)
528{
529 struct ubi_vtbl_record vtbl_rec;
530 struct ubi_volume *vol;
531
532 vol = ubi_find_volume(volume);
533 if (!vol)
534 return ENODEV;
535
536 printf("%sing skip_check on volume %s\n",
537 skip_check ? "Sett" : "Clear", volume);
538
539 vtbl_rec = ubi->vtbl[vol->vol_id];
540 if (skip_check) {
541 vtbl_rec.flags |= UBI_VTBL_SKIP_CRC_CHECK_FLG;
542 vol->skip_check = 1;
543 } else {
544 vtbl_rec.flags &= ~UBI_VTBL_SKIP_CRC_CHECK_FLG;
545 vol->skip_check = 0;
546 }
547
548 return ubi_change_vtbl_record(ubi, vol->vol_id, &vtbl_rec);
549}
550
Stefan Roesed821e5e2018-10-31 12:37:20 +0100551static int ubi_detach(void)
Kyungmin Park694a0b32008-11-19 11:47:05 +0100552{
Joe Hershberger71829062013-04-08 10:32:47 +0000553#ifdef CONFIG_CMD_UBIFS
554 /*
555 * Automatically unmount UBIFS partition when user
556 * changes the UBI device. Otherwise the following
557 * UBIFS commands will crash.
558 */
559 if (ubifs_is_mounted())
560 cmd_ubifs_umount();
561#endif
562
Joe Hershberger71829062013-04-08 10:32:47 +0000563 /*
564 * Call ubi_exit() before re-initializing the UBI subsystem
565 */
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200566 if (ubi)
Joe Hershberger71829062013-04-08 10:32:47 +0000567 ubi_exit();
Joe Hershberger71829062013-04-08 10:32:47 +0000568
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200569 ubi = NULL;
570
Heiko Schochercddfc972016-06-07 08:55:40 +0200571 return 0;
572}
573
574int ubi_part(char *part_name, const char *vid_header_offset)
575{
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200576 struct mtd_info *mtd;
Heiko Schochercddfc972016-06-07 08:55:40 +0200577 int err = 0;
Heiko Schochercddfc972016-06-07 08:55:40 +0200578
Alexandre Besnardaf298f32022-04-04 17:50:14 +0200579 if (ubi && ubi->mtd && !strcmp(ubi->mtd->name, part_name)) {
580 printf("UBI partition '%s' already selected\n", part_name);
581 return 0;
582 }
583
Heiko Schochercddfc972016-06-07 08:55:40 +0200584 ubi_detach();
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200585
586 mtd_probe_devices();
587 mtd = get_mtd_device_nm(part_name);
588 if (IS_ERR(mtd)) {
Joe Hershberger71829062013-04-08 10:32:47 +0000589 printf("Partition %s not found!\n", part_name);
590 return 1;
591 }
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200592 put_mtd_device(mtd);
Joe Hershberger71829062013-04-08 10:32:47 +0000593
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200594 err = ubi_dev_scan(mtd, vid_header_offset);
Joe Hershberger71829062013-04-08 10:32:47 +0000595 if (err) {
596 printf("UBI init error %d\n", err);
Stefan Roese4a94e532018-06-26 08:12:32 +0200597 printf("Please check, if the correct MTD partition is used (size big enough?)\n");
Joe Hershberger71829062013-04-08 10:32:47 +0000598 return err;
599 }
600
601 ubi = ubi_devices[0];
602
603 return 0;
604}
605
Simon Glass09140112020-05-10 11:40:03 -0600606static int do_ubi(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
Joe Hershberger71829062013-04-08 10:32:47 +0000607{
Paul Burtondd7185f2013-09-04 15:16:58 +0100608 int64_t size = 0;
Joe Hershberger71829062013-04-08 10:32:47 +0000609 ulong addr = 0;
Quentin Schulz386f20c2019-09-12 16:41:01 +0200610 bool skipcheck = false;
Joe Hershberger71829062013-04-08 10:32:47 +0000611
612 if (argc < 2)
613 return CMD_RET_USAGE;
614
Heinrich Schuchardt76428562019-01-06 12:26:28 +0100615 if (strcmp(argv[1], "detach") == 0)
Heiko Schochercddfc972016-06-07 08:55:40 +0200616 return ubi_detach();
Heiko Schochercddfc972016-06-07 08:55:40 +0200617
Kyungmin Park694a0b32008-11-19 11:47:05 +0100618 if (strcmp(argv[1], "part") == 0) {
Simon Kagstrom25c8f402009-07-07 16:59:46 +0200619 const char *vid_header_offset = NULL;
Stefan Roese2d579e52009-04-24 20:24:19 +0200620
Kyungmin Park694a0b32008-11-19 11:47:05 +0100621 /* Print current partition */
622 if (argc == 2) {
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200623 if (!ubi) {
624 printf("Error, no UBI device selected!\n");
Kyungmin Park694a0b32008-11-19 11:47:05 +0100625 return 1;
626 }
627
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200628 printf("Device %d: %s, MTD partition %s\n",
629 ubi->ubi_num, ubi->ubi_name, ubi->mtd->name);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100630 return 0;
631 }
632
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200633 if (argc < 3)
Simon Glass4c12eeb2011-12-10 08:44:01 +0000634 return CMD_RET_USAGE;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100635
Simon Kagstrom25c8f402009-07-07 16:59:46 +0200636 if (argc > 3)
637 vid_header_offset = argv[3];
Kyungmin Park694a0b32008-11-19 11:47:05 +0100638
Joe Hershberger71829062013-04-08 10:32:47 +0000639 return ubi_part(argv[2], vid_header_offset);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100640 }
641
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200642 if ((strcmp(argv[1], "part") != 0) && !ubi) {
643 printf("Error, no UBI device selected!\n");
Kyungmin Park694a0b32008-11-19 11:47:05 +0100644 return 1;
645 }
646
647 if (strcmp(argv[1], "info") == 0) {
648 int layout = 0;
649 if (argc > 2 && !strncmp(argv[2], "l", 1))
650 layout = 1;
651 return ubi_info(layout);
652 }
653
Pali Rohár6de1daf2022-09-12 11:38:55 +0200654 if (strcmp(argv[1], "list") == 0) {
655 int numeric = 0;
656 if (argc >= 2 && argv[2][0] == '-') {
657 if (strcmp(argv[2], "-numeric") == 0)
658 numeric = 1;
659 else
660 return CMD_RET_USAGE;
661 }
662 if (!numeric && argc != 2 && argc != 3)
663 return CMD_RET_USAGE;
664 if (numeric && argc != 3 && argc != 4)
665 return CMD_RET_USAGE;
666 return ubi_list(argv[numeric ? 3 : 2], numeric);
667 }
668
Heiko Schocherf9f4d802014-01-25 07:27:11 +0100669 if (strcmp(argv[1], "check") == 0) {
670 if (argc > 2)
671 return ubi_check(argv[2]);
672
673 printf("Error, no volume name passed\n");
674 return 1;
675 }
676
Kyungmin Park694a0b32008-11-19 11:47:05 +0100677 if (strncmp(argv[1], "create", 6) == 0) {
678 int dynamic = 1; /* default: dynamic volume */
Ladislav Michl00612422016-09-13 07:14:01 +0200679 int id = UBI_VOL_NUM_AUTO;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100680
681 /* Use maximum available size */
682 size = 0;
683
Quentin Schulz386f20c2019-09-12 16:41:01 +0200684 /* E.g., create volume with "skipcheck" bit set */
685 if (argc == 7) {
686 skipcheck = strncmp(argv[6], "--skipcheck", 11) == 0;
687 argc--;
688 }
689
Ladislav Michl00612422016-09-13 07:14:01 +0200690 /* E.g., create volume size type vol_id */
691 if (argc == 6) {
692 id = simple_strtoull(argv[5], NULL, 16);
693 argc--;
694 }
695
Kyungmin Park694a0b32008-11-19 11:47:05 +0100696 /* E.g., create volume size type */
697 if (argc == 5) {
698 if (strncmp(argv[4], "s", 1) == 0)
699 dynamic = 0;
700 else if (strncmp(argv[4], "d", 1) != 0) {
701 printf("Incorrect type\n");
702 return 1;
703 }
704 argc--;
705 }
706 /* E.g., create volume size */
707 if (argc == 4) {
Ladislav Michlf59f07e2017-01-19 11:45:35 +0100708 if (argv[3][0] != '-')
709 size = simple_strtoull(argv[3], NULL, 16);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100710 argc--;
711 }
712 /* Use maximum available size */
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100713 if (!size) {
Paul Burtondd7185f2013-09-04 15:16:58 +0100714 size = (int64_t)ubi->avail_pebs * ubi->leb_size;
715 printf("No size specified -> Using max size (%lld)\n", size);
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100716 }
Kyungmin Park694a0b32008-11-19 11:47:05 +0100717 /* E.g., create volume */
Quentin Schulz386f20c2019-09-12 16:41:01 +0200718 if (argc == 3) {
719 return ubi_create_vol(argv[2], size, dynamic, id,
720 skipcheck);
721 }
Kyungmin Park694a0b32008-11-19 11:47:05 +0100722 }
723
724 if (strncmp(argv[1], "remove", 6) == 0) {
725 /* E.g., remove volume */
726 if (argc == 3)
727 return ubi_remove_vol(argv[2]);
728 }
729
Philippe Reynes83f70782020-03-23 19:20:47 +0100730 if (IS_ENABLED(CONFIG_CMD_UBI_RENAME) && !strncmp(argv[1], "rename", 6))
731 return ubi_rename_vol(argv[2], argv[3]);
732
Stefan Roesee6661cf2019-09-17 09:17:53 +0200733 if (strncmp(argv[1], "skipcheck", 9) == 0) {
734 /* E.g., change skip_check flag */
735 if (argc == 4) {
736 skipcheck = strncmp(argv[3], "on", 2) == 0;
737 return ubi_set_skip_check(argv[2], skipcheck);
738 }
739 }
740
Kyungmin Park694a0b32008-11-19 11:47:05 +0100741 if (strncmp(argv[1], "write", 5) == 0) {
Joe Hershberger71829062013-04-08 10:32:47 +0000742 int ret;
743
Kyungmin Park694a0b32008-11-19 11:47:05 +0100744 if (argc < 5) {
745 printf("Please see usage\n");
746 return 1;
747 }
748
Simon Glass7e5f4602021-07-24 09:03:29 -0600749 addr = hextoul(argv[2], NULL);
750 size = hextoul(argv[4], NULL);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100751
Paul Burtoncc734f52013-09-04 15:16:59 +0100752 if (strlen(argv[1]) == 10 &&
753 strncmp(argv[1] + 5, ".part", 5) == 0) {
754 if (argc < 6) {
755 ret = ubi_volume_continue_write(argv[3],
756 (void *)addr, size);
757 } else {
758 size_t full_size;
Simon Glass7e5f4602021-07-24 09:03:29 -0600759 full_size = hextoul(argv[5], NULL);
Paul Burtoncc734f52013-09-04 15:16:59 +0100760 ret = ubi_volume_begin_write(argv[3],
761 (void *)addr, size, full_size);
762 }
763 } else {
764 ret = ubi_volume_write(argv[3], (void *)addr, size);
765 }
Joe Hershberger71829062013-04-08 10:32:47 +0000766 if (!ret) {
Paul Burtondd7185f2013-09-04 15:16:58 +0100767 printf("%lld bytes written to volume %s\n", size,
Joe Hershberger71829062013-04-08 10:32:47 +0000768 argv[3]);
769 }
770
771 return ret;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100772 }
773
774 if (strncmp(argv[1], "read", 4) == 0) {
775 size = 0;
776
777 /* E.g., read volume size */
778 if (argc == 5) {
Simon Glass7e5f4602021-07-24 09:03:29 -0600779 size = hextoul(argv[4], NULL);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100780 argc--;
781 }
782
783 /* E.g., read volume */
784 if (argc == 4) {
Simon Glass7e5f4602021-07-24 09:03:29 -0600785 addr = hextoul(argv[2], NULL);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100786 argc--;
787 }
788
Joe Hershberger71829062013-04-08 10:32:47 +0000789 if (argc == 3) {
Kyungmin Park694a0b32008-11-19 11:47:05 +0100790 return ubi_volume_read(argv[3], (char *)addr, size);
Joe Hershberger71829062013-04-08 10:32:47 +0000791 }
Kyungmin Park694a0b32008-11-19 11:47:05 +0100792 }
793
794 printf("Please see usage\n");
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100795 return 1;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100796}
797
Frans Meulenbroeks388a29d2010-07-31 15:01:53 +0200798U_BOOT_CMD(
Quentin Schulz386f20c2019-09-12 16:41:01 +0200799 ubi, 7, 1, do_ubi,
Peter Tyser2fb26042009-01-27 18:03:12 -0600800 "ubi commands",
Heiko Schochercddfc972016-06-07 08:55:40 +0200801 "detach"
802 " - detach ubi from a mtd partition\n"
803 "ubi part [part] [offset]\n"
Simon Kagstrom25c8f402009-07-07 16:59:46 +0200804 " - Show or set current partition (with optional VID"
805 " header offset)\n"
Kyungmin Park694a0b32008-11-19 11:47:05 +0100806 "ubi info [l[ayout]]"
807 " - Display volume and ubi layout information\n"
Pali Rohár6de1daf2022-09-12 11:38:55 +0200808 "ubi list [flags]"
809 " - print the list of volumes\n"
810 "ubi list [flags] <varname>"
811 " - set environment variable to the list of volumes"
812 " (flags can be -numeric)\n"
Heiko Schocherf9f4d802014-01-25 07:27:11 +0100813 "ubi check volumename"
814 " - check if volumename exists\n"
Quentin Schulz386f20c2019-09-12 16:41:01 +0200815 "ubi create[vol] volume [size] [type] [id] [--skipcheck]\n"
Ladislav Michlf59f07e2017-01-19 11:45:35 +0100816 " - create volume name with size ('-' for maximum"
817 " available size)\n"
Kyungmin Park694a0b32008-11-19 11:47:05 +0100818 "ubi write[vol] address volume size"
819 " - Write volume from address with size\n"
Paul Burtoncc734f52013-09-04 15:16:59 +0100820 "ubi write.part address volume size [fullsize]\n"
821 " - Write part of a volume from address\n"
Kyungmin Park694a0b32008-11-19 11:47:05 +0100822 "ubi read[vol] address volume [size]"
823 " - Read volume to address with size\n"
824 "ubi remove[vol] volume"
825 " - Remove volume\n"
Philippe Reynes83f70782020-03-23 19:20:47 +0100826#if IS_ENABLED(CONFIG_CMD_UBI_RENAME)
827 "ubi rename oldname newname\n"
828#endif
Stefan Roesee6661cf2019-09-17 09:17:53 +0200829 "ubi skipcheck volume on/off - Set or clear skip_check flag in volume header\n"
Kyungmin Park694a0b32008-11-19 11:47:05 +0100830 "[Legends]\n"
Andrzej Wolskif6ca3b72009-07-17 22:26:54 +0200831 " volume: character name\n"
832 " size: specified in bytes\n"
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200833 " type: s[tatic] or d[ynamic] (default=dynamic)"
Kyungmin Park694a0b32008-11-19 11:47:05 +0100834);