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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>
30
Joe Hershberger147162d2013-04-08 10:32:49 +000031#undef ubi_msg
32#define ubi_msg(fmt, ...) printf("UBI: " fmt "\n", ##__VA_ARGS__)
33
Kyungmin Park694a0b32008-11-19 11:47:05 +010034/* Private own data */
35static struct ubi_device *ubi;
Kyungmin Park694a0b32008-11-19 11:47:05 +010036
Stefan Roese2f15cfd2010-11-01 17:28:22 +010037#ifdef CONFIG_CMD_UBIFS
Tien Fong Chee10c20442018-07-06 16:25:12 +080038#include <ubifs_uboot.h>
Stefan Roese2f15cfd2010-11-01 17:28:22 +010039#endif
40
Kyungmin Park694a0b32008-11-19 11:47:05 +010041static void display_volume_info(struct ubi_device *ubi)
42{
43 int i;
44
45 for (i = 0; i < (ubi->vtbl_slots + 1); i++) {
46 if (!ubi->volumes[i])
47 continue; /* Empty record */
48 ubi_dump_vol_info(ubi->volumes[i]);
49 }
50}
51
52static void display_ubi_info(struct ubi_device *ubi)
53{
54 ubi_msg("MTD device name: \"%s\"", ubi->mtd->name);
55 ubi_msg("MTD device size: %llu MiB", ubi->flash_size >> 20);
56 ubi_msg("physical eraseblock size: %d bytes (%d KiB)",
57 ubi->peb_size, ubi->peb_size >> 10);
58 ubi_msg("logical eraseblock size: %d bytes", ubi->leb_size);
59 ubi_msg("number of good PEBs: %d", ubi->good_peb_count);
60 ubi_msg("number of bad PEBs: %d", ubi->bad_peb_count);
61 ubi_msg("smallest flash I/O unit: %d", ubi->min_io_size);
62 ubi_msg("VID header offset: %d (aligned %d)",
63 ubi->vid_hdr_offset, ubi->vid_hdr_aloffset);
64 ubi_msg("data offset: %d", ubi->leb_start);
65 ubi_msg("max. allowed volumes: %d", ubi->vtbl_slots);
66 ubi_msg("wear-leveling threshold: %d", CONFIG_MTD_UBI_WL_THRESHOLD);
67 ubi_msg("number of internal volumes: %d", UBI_INT_VOL_COUNT);
68 ubi_msg("number of user volumes: %d",
69 ubi->vol_count - UBI_INT_VOL_COUNT);
70 ubi_msg("available PEBs: %d", ubi->avail_pebs);
71 ubi_msg("total number of reserved PEBs: %d", ubi->rsvd_pebs);
72 ubi_msg("number of PEBs reserved for bad PEB handling: %d",
73 ubi->beb_rsvd_pebs);
74 ubi_msg("max/mean erase counter: %d/%d", ubi->max_ec, ubi->mean_ec);
75}
76
77static int ubi_info(int layout)
78{
79 if (layout)
80 display_volume_info(ubi);
81 else
82 display_ubi_info(ubi);
83
84 return 0;
85}
86
Heiko Schocherf9f4d802014-01-25 07:27:11 +010087static int ubi_check_volumename(const struct ubi_volume *vol, char *name)
88{
89 return strcmp(vol->name, name);
90}
91
92static int ubi_check(char *name)
93{
94 int i;
95
96 for (i = 0; i < (ubi->vtbl_slots + 1); i++) {
97 if (!ubi->volumes[i])
98 continue; /* Empty record */
99
100 if (!ubi_check_volumename(ubi->volumes[i], name))
101 return 0;
102 }
103
Stefan Agner6d0f4522015-04-10 11:25:43 +0200104 return 1;
Heiko Schocherf9f4d802014-01-25 07:27:11 +0100105}
106
Kyungmin Park694a0b32008-11-19 11:47:05 +0100107static int verify_mkvol_req(const struct ubi_device *ubi,
108 const struct ubi_mkvol_req *req)
109{
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100110 int n, err = EINVAL;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100111
112 if (req->bytes < 0 || req->alignment < 0 || req->vol_type < 0 ||
113 req->name_len < 0)
114 goto bad;
115
116 if ((req->vol_id < 0 || req->vol_id >= ubi->vtbl_slots) &&
117 req->vol_id != UBI_VOL_NUM_AUTO)
118 goto bad;
119
120 if (req->alignment == 0)
121 goto bad;
122
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100123 if (req->bytes == 0) {
124 printf("No space left in UBI device!\n");
125 err = ENOMEM;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100126 goto bad;
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100127 }
Kyungmin Park694a0b32008-11-19 11:47:05 +0100128
129 if (req->vol_type != UBI_DYNAMIC_VOLUME &&
130 req->vol_type != UBI_STATIC_VOLUME)
131 goto bad;
132
133 if (req->alignment > ubi->leb_size)
134 goto bad;
135
136 n = req->alignment % ubi->min_io_size;
137 if (req->alignment != 1 && n)
138 goto bad;
139
140 if (req->name_len > UBI_VOL_NAME_MAX) {
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100141 printf("Name too long!\n");
142 err = ENAMETOOLONG;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100143 goto bad;
144 }
145
146 return 0;
147bad:
Kyungmin Park694a0b32008-11-19 11:47:05 +0100148 return err;
149}
150
Quentin Schulz386f20c2019-09-12 16:41:01 +0200151static int ubi_create_vol(char *volume, int64_t size, int dynamic, int vol_id,
152 bool skipcheck)
Kyungmin Park694a0b32008-11-19 11:47:05 +0100153{
154 struct ubi_mkvol_req req;
155 int err;
156
157 if (dynamic)
158 req.vol_type = UBI_DYNAMIC_VOLUME;
159 else
160 req.vol_type = UBI_STATIC_VOLUME;
161
Ladislav Michl00612422016-09-13 07:14:01 +0200162 req.vol_id = vol_id;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100163 req.alignment = 1;
164 req.bytes = size;
165
166 strcpy(req.name, volume);
167 req.name_len = strlen(volume);
168 req.name[req.name_len] = '\0';
Quentin Schulz386f20c2019-09-12 16:41:01 +0200169 req.flags = 0;
170 if (skipcheck)
171 req.flags |= UBI_VOL_SKIP_CRC_CHECK_FLG;
172
Kyungmin Park694a0b32008-11-19 11:47:05 +0100173 /* It's duplicated at drivers/mtd/ubi/cdev.c */
174 err = verify_mkvol_req(ubi, &req);
175 if (err) {
176 printf("verify_mkvol_req failed %d\n", err);
177 return err;
178 }
Paul Burtondd7185f2013-09-04 15:16:58 +0100179 printf("Creating %s volume %s of size %lld\n",
Kyungmin Park694a0b32008-11-19 11:47:05 +0100180 dynamic ? "dynamic" : "static", volume, size);
181 /* Call real ubi create volume */
182 return ubi_create_volume(ubi, &req);
183}
184
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100185static struct ubi_volume *ubi_find_volume(char *volume)
Kyungmin Park694a0b32008-11-19 11:47:05 +0100186{
Peter Tyser3b653fd2010-04-04 22:40:50 -0500187 struct ubi_volume *vol = NULL;
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100188 int i;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100189
190 for (i = 0; i < ubi->vtbl_slots; i++) {
191 vol = ubi->volumes[i];
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100192 if (vol && !strcmp(vol->name, volume))
193 return vol;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100194 }
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100195
196 printf("Volume %s not found!\n", volume);
197 return NULL;
198}
199
200static int ubi_remove_vol(char *volume)
201{
202 int err, reserved_pebs, i;
203 struct ubi_volume *vol;
204
205 vol = ubi_find_volume(volume);
206 if (vol == NULL)
207 return ENODEV;
208
209 printf("Remove UBI volume %s (id %d)\n", vol->name, vol->vol_id);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100210
211 if (ubi->ro_mode) {
212 printf("It's read-only mode\n");
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100213 err = EROFS;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100214 goto out_err;
215 }
216
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100217 err = ubi_change_vtbl_record(ubi, vol->vol_id, NULL);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100218 if (err) {
219 printf("Error changing Vol tabel record err=%x\n", err);
220 goto out_err;
221 }
222 reserved_pebs = vol->reserved_pebs;
223 for (i = 0; i < vol->reserved_pebs; i++) {
224 err = ubi_eba_unmap_leb(ubi, vol, i);
225 if (err)
226 goto out_err;
227 }
228
229 kfree(vol->eba_tbl);
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100230 ubi->volumes[vol->vol_id]->eba_tbl = NULL;
231 ubi->volumes[vol->vol_id] = NULL;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100232
233 ubi->rsvd_pebs -= reserved_pebs;
234 ubi->avail_pebs += reserved_pebs;
235 i = ubi->beb_rsvd_level - ubi->beb_rsvd_pebs;
236 if (i > 0) {
237 i = ubi->avail_pebs >= i ? i : ubi->avail_pebs;
238 ubi->avail_pebs -= i;
239 ubi->rsvd_pebs += i;
240 ubi->beb_rsvd_pebs += i;
241 if (i > 0)
242 ubi_msg("reserve more %d PEBs", i);
243 }
244 ubi->vol_count -= 1;
245
246 return 0;
247out_err:
Heiko Schocher0195a7b2015-10-22 06:19:21 +0200248 ubi_err(ubi, "cannot remove volume %s, error %d", volume, err);
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100249 if (err < 0)
250 err = -err;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100251 return err;
252}
253
Philippe Reynes83f70782020-03-23 19:20:47 +0100254static int ubi_rename_vol(char *oldname, char *newname)
255{
256 struct ubi_volume *vol;
257 struct ubi_rename_entry rename;
258 struct ubi_volume_desc desc;
259 struct list_head list;
260
261 vol = ubi_find_volume(oldname);
262 if (!vol) {
263 printf("%s: volume %s doesn't exist\n", __func__, oldname);
264 return ENODEV;
265 }
266
Philippe Reynes16399882020-12-23 15:33:07 +0100267 if (!ubi_check(newname)) {
268 printf("%s: volume %s already exist\n", __func__, newname);
269 return EINVAL;
270 }
271
Philippe Reynes83f70782020-03-23 19:20:47 +0100272 printf("Rename UBI volume %s to %s\n", oldname, newname);
273
274 if (ubi->ro_mode) {
275 printf("%s: ubi device is in read-only mode\n", __func__);
276 return EROFS;
277 }
278
279 rename.new_name_len = strlen(newname);
280 strcpy(rename.new_name, newname);
281 rename.remove = 0;
282 desc.vol = vol;
283 desc.mode = 0;
284 rename.desc = &desc;
285 INIT_LIST_HEAD(&rename.list);
286 INIT_LIST_HEAD(&list);
287 list_add(&rename.list, &list);
288
289 return ubi_rename_volumes(ubi, &list);
290}
291
Jeroen Hofstee0e350f82014-06-23 00:22:08 +0200292static int ubi_volume_continue_write(char *volume, void *buf, size_t size)
Kyungmin Park694a0b32008-11-19 11:47:05 +0100293{
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100294 int err = 1;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100295 struct ubi_volume *vol;
296
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100297 vol = ubi_find_volume(volume);
298 if (vol == NULL)
299 return ENODEV;
300
Kyungmin Park694a0b32008-11-19 11:47:05 +0100301 err = ubi_more_update_data(ubi, vol, buf, size);
302 if (err < 0) {
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100303 printf("Couldnt or partially wrote data\n");
304 return -err;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100305 }
306
307 if (err) {
308 size = err;
309
310 err = ubi_check_volume(ubi, vol->vol_id);
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100311 if (err < 0)
312 return -err;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100313
314 if (err) {
Heiko Schocher0195a7b2015-10-22 06:19:21 +0200315 ubi_warn(ubi, "volume %d on UBI device %d is corrupt",
316 vol->vol_id, ubi->ubi_num);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100317 vol->corrupted = 1;
318 }
319
320 vol->checked = 1;
321 ubi_gluebi_updated(vol);
322 }
323
324 return 0;
325}
326
Paul Burtoncc734f52013-09-04 15:16:59 +0100327int ubi_volume_begin_write(char *volume, void *buf, size_t size,
328 size_t full_size)
329{
330 int err = 1;
331 int rsvd_bytes = 0;
332 struct ubi_volume *vol;
333
334 vol = ubi_find_volume(volume);
335 if (vol == NULL)
336 return ENODEV;
337
338 rsvd_bytes = vol->reserved_pebs * (ubi->leb_size - vol->data_pad);
xypron.glpk@gmx.de18f41f22017-04-15 16:25:25 +0200339 if (size > rsvd_bytes) {
Paul Burtoncc734f52013-09-04 15:16:59 +0100340 printf("size > volume size! Aborting!\n");
341 return EINVAL;
342 }
343
344 err = ubi_start_update(ubi, vol, full_size);
345 if (err < 0) {
346 printf("Cannot start volume update\n");
347 return -err;
348 }
349
350 return ubi_volume_continue_write(volume, buf, size);
351}
352
353int ubi_volume_write(char *volume, void *buf, size_t size)
354{
355 return ubi_volume_begin_write(volume, buf, size, size);
356}
357
Joe Hershberger71829062013-04-08 10:32:47 +0000358int ubi_volume_read(char *volume, char *buf, size_t size)
Kyungmin Park694a0b32008-11-19 11:47:05 +0100359{
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100360 int err, lnum, off, len, tbuf_size;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100361 void *tbuf;
362 unsigned long long tmp;
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100363 struct ubi_volume *vol;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100364 loff_t offp = 0;
Holger Dengler985fa932017-08-30 18:38:52 +0200365 size_t len_read;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100366
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100367 vol = ubi_find_volume(volume);
368 if (vol == NULL)
369 return ENODEV;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100370
Kyungmin Park694a0b32008-11-19 11:47:05 +0100371 if (vol->updating) {
372 printf("updating");
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100373 return EBUSY;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100374 }
375 if (vol->upd_marker) {
376 printf("damaged volume, update marker is set");
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100377 return EBADF;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100378 }
379 if (offp == vol->used_bytes)
380 return 0;
381
382 if (size == 0) {
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100383 printf("No size specified -> Using max size (%lld)\n", vol->used_bytes);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100384 size = vol->used_bytes;
385 }
386
Tom Rini13415332018-07-26 11:17:24 -0400387 printf("Read %zu bytes from volume %s to %p\n", size, volume, buf);
Stefan Agner68c70252018-06-25 11:19:12 +0200388
Kyungmin Park694a0b32008-11-19 11:47:05 +0100389 if (vol->corrupted)
390 printf("read from corrupted volume %d", vol->vol_id);
391 if (offp + size > vol->used_bytes)
Marek Vasut2984fd12011-09-30 12:13:25 +0200392 size = vol->used_bytes - offp;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100393
394 tbuf_size = vol->usable_leb_size;
395 if (size < tbuf_size)
396 tbuf_size = ALIGN(size, ubi->min_io_size);
Marcel Ziswiler45196682015-08-18 13:06:37 +0200397 tbuf = malloc_cache_aligned(tbuf_size);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100398 if (!tbuf) {
399 printf("NO MEM\n");
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100400 return ENOMEM;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100401 }
402 len = size > tbuf_size ? tbuf_size : size;
403
404 tmp = offp;
405 off = do_div(tmp, vol->usable_leb_size);
406 lnum = tmp;
Holger Dengler985fa932017-08-30 18:38:52 +0200407 len_read = size;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100408 do {
409 if (off + len >= vol->usable_leb_size)
410 len = vol->usable_leb_size - off;
411
412 err = ubi_eba_read_leb(ubi, vol, lnum, tbuf, off, len, 0);
413 if (err) {
414 printf("read err %x\n", err);
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100415 err = -err;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100416 break;
417 }
418 off += len;
419 if (off == vol->usable_leb_size) {
420 lnum += 1;
421 off -= vol->usable_leb_size;
422 }
423
424 size -= len;
425 offp += len;
426
Kyungmin Park694a0b32008-11-19 11:47:05 +0100427 memcpy(buf, tbuf, len);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100428
429 buf += len;
430 len = size > tbuf_size ? tbuf_size : size;
431 } while (size);
432
Holger Dengler985fa932017-08-30 18:38:52 +0200433 if (!size)
434 env_set_hex("filesize", len_read);
435
Kyungmin Park694a0b32008-11-19 11:47:05 +0100436 free(tbuf);
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100437 return err;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100438}
439
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200440static int ubi_dev_scan(struct mtd_info *info, const char *vid_header_offset)
Kyungmin Park694a0b32008-11-19 11:47:05 +0100441{
Simon Kagstrom25c8f402009-07-07 16:59:46 +0200442 char ubi_mtd_param_buffer[80];
Kyungmin Park694a0b32008-11-19 11:47:05 +0100443 int err;
444
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200445 if (!vid_header_offset)
446 sprintf(ubi_mtd_param_buffer, "%s", info->name);
447 else
448 sprintf(ubi_mtd_param_buffer, "%s,%s", info->name,
449 vid_header_offset);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100450
Simon Kagstrom25c8f402009-07-07 16:59:46 +0200451 err = ubi_mtd_param_parse(ubi_mtd_param_buffer, NULL);
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200452 if (err)
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100453 return -err;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100454
455 err = ubi_init();
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200456 if (err)
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100457 return -err;
Stefan Roese2ee951b2008-11-27 14:07:09 +0100458
Kyungmin Park694a0b32008-11-19 11:47:05 +0100459 return 0;
460}
461
Stefan Roesee6661cf2019-09-17 09:17:53 +0200462static int ubi_set_skip_check(char *volume, bool skip_check)
463{
464 struct ubi_vtbl_record vtbl_rec;
465 struct ubi_volume *vol;
466
467 vol = ubi_find_volume(volume);
468 if (!vol)
469 return ENODEV;
470
471 printf("%sing skip_check on volume %s\n",
472 skip_check ? "Sett" : "Clear", volume);
473
474 vtbl_rec = ubi->vtbl[vol->vol_id];
475 if (skip_check) {
476 vtbl_rec.flags |= UBI_VTBL_SKIP_CRC_CHECK_FLG;
477 vol->skip_check = 1;
478 } else {
479 vtbl_rec.flags &= ~UBI_VTBL_SKIP_CRC_CHECK_FLG;
480 vol->skip_check = 0;
481 }
482
483 return ubi_change_vtbl_record(ubi, vol->vol_id, &vtbl_rec);
484}
485
Stefan Roesed821e5e2018-10-31 12:37:20 +0100486static int ubi_detach(void)
Kyungmin Park694a0b32008-11-19 11:47:05 +0100487{
Joe Hershberger71829062013-04-08 10:32:47 +0000488#ifdef CONFIG_CMD_UBIFS
489 /*
490 * Automatically unmount UBIFS partition when user
491 * changes the UBI device. Otherwise the following
492 * UBIFS commands will crash.
493 */
494 if (ubifs_is_mounted())
495 cmd_ubifs_umount();
496#endif
497
Joe Hershberger71829062013-04-08 10:32:47 +0000498 /*
499 * Call ubi_exit() before re-initializing the UBI subsystem
500 */
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200501 if (ubi)
Joe Hershberger71829062013-04-08 10:32:47 +0000502 ubi_exit();
Joe Hershberger71829062013-04-08 10:32:47 +0000503
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200504 ubi = NULL;
505
Heiko Schochercddfc972016-06-07 08:55:40 +0200506 return 0;
507}
508
509int ubi_part(char *part_name, const char *vid_header_offset)
510{
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200511 struct mtd_info *mtd;
Heiko Schochercddfc972016-06-07 08:55:40 +0200512 int err = 0;
Heiko Schochercddfc972016-06-07 08:55:40 +0200513
514 ubi_detach();
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200515
516 mtd_probe_devices();
517 mtd = get_mtd_device_nm(part_name);
518 if (IS_ERR(mtd)) {
Joe Hershberger71829062013-04-08 10:32:47 +0000519 printf("Partition %s not found!\n", part_name);
520 return 1;
521 }
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200522 put_mtd_device(mtd);
Joe Hershberger71829062013-04-08 10:32:47 +0000523
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200524 err = ubi_dev_scan(mtd, vid_header_offset);
Joe Hershberger71829062013-04-08 10:32:47 +0000525 if (err) {
526 printf("UBI init error %d\n", err);
Stefan Roese4a94e532018-06-26 08:12:32 +0200527 printf("Please check, if the correct MTD partition is used (size big enough?)\n");
Joe Hershberger71829062013-04-08 10:32:47 +0000528 return err;
529 }
530
531 ubi = ubi_devices[0];
532
533 return 0;
534}
535
Simon Glass09140112020-05-10 11:40:03 -0600536static int do_ubi(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
Joe Hershberger71829062013-04-08 10:32:47 +0000537{
Paul Burtondd7185f2013-09-04 15:16:58 +0100538 int64_t size = 0;
Joe Hershberger71829062013-04-08 10:32:47 +0000539 ulong addr = 0;
Quentin Schulz386f20c2019-09-12 16:41:01 +0200540 bool skipcheck = false;
Joe Hershberger71829062013-04-08 10:32:47 +0000541
542 if (argc < 2)
543 return CMD_RET_USAGE;
544
Heinrich Schuchardt76428562019-01-06 12:26:28 +0100545 if (strcmp(argv[1], "detach") == 0)
Heiko Schochercddfc972016-06-07 08:55:40 +0200546 return ubi_detach();
Heiko Schochercddfc972016-06-07 08:55:40 +0200547
Kyungmin Park694a0b32008-11-19 11:47:05 +0100548 if (strcmp(argv[1], "part") == 0) {
Simon Kagstrom25c8f402009-07-07 16:59:46 +0200549 const char *vid_header_offset = NULL;
Stefan Roese2d579e52009-04-24 20:24:19 +0200550
Kyungmin Park694a0b32008-11-19 11:47:05 +0100551 /* Print current partition */
552 if (argc == 2) {
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200553 if (!ubi) {
554 printf("Error, no UBI device selected!\n");
Kyungmin Park694a0b32008-11-19 11:47:05 +0100555 return 1;
556 }
557
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200558 printf("Device %d: %s, MTD partition %s\n",
559 ubi->ubi_num, ubi->ubi_name, ubi->mtd->name);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100560 return 0;
561 }
562
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200563 if (argc < 3)
Simon Glass4c12eeb2011-12-10 08:44:01 +0000564 return CMD_RET_USAGE;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100565
Simon Kagstrom25c8f402009-07-07 16:59:46 +0200566 if (argc > 3)
567 vid_header_offset = argv[3];
Kyungmin Park694a0b32008-11-19 11:47:05 +0100568
Joe Hershberger71829062013-04-08 10:32:47 +0000569 return ubi_part(argv[2], vid_header_offset);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100570 }
571
Miquel Raynalc58fb2c2018-09-29 12:58:29 +0200572 if ((strcmp(argv[1], "part") != 0) && !ubi) {
573 printf("Error, no UBI device selected!\n");
Kyungmin Park694a0b32008-11-19 11:47:05 +0100574 return 1;
575 }
576
577 if (strcmp(argv[1], "info") == 0) {
578 int layout = 0;
579 if (argc > 2 && !strncmp(argv[2], "l", 1))
580 layout = 1;
581 return ubi_info(layout);
582 }
583
Heiko Schocherf9f4d802014-01-25 07:27:11 +0100584 if (strcmp(argv[1], "check") == 0) {
585 if (argc > 2)
586 return ubi_check(argv[2]);
587
588 printf("Error, no volume name passed\n");
589 return 1;
590 }
591
Kyungmin Park694a0b32008-11-19 11:47:05 +0100592 if (strncmp(argv[1], "create", 6) == 0) {
593 int dynamic = 1; /* default: dynamic volume */
Ladislav Michl00612422016-09-13 07:14:01 +0200594 int id = UBI_VOL_NUM_AUTO;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100595
596 /* Use maximum available size */
597 size = 0;
598
Quentin Schulz386f20c2019-09-12 16:41:01 +0200599 /* E.g., create volume with "skipcheck" bit set */
600 if (argc == 7) {
601 skipcheck = strncmp(argv[6], "--skipcheck", 11) == 0;
602 argc--;
603 }
604
Ladislav Michl00612422016-09-13 07:14:01 +0200605 /* E.g., create volume size type vol_id */
606 if (argc == 6) {
607 id = simple_strtoull(argv[5], NULL, 16);
608 argc--;
609 }
610
Kyungmin Park694a0b32008-11-19 11:47:05 +0100611 /* E.g., create volume size type */
612 if (argc == 5) {
613 if (strncmp(argv[4], "s", 1) == 0)
614 dynamic = 0;
615 else if (strncmp(argv[4], "d", 1) != 0) {
616 printf("Incorrect type\n");
617 return 1;
618 }
619 argc--;
620 }
621 /* E.g., create volume size */
622 if (argc == 4) {
Ladislav Michlf59f07e2017-01-19 11:45:35 +0100623 if (argv[3][0] != '-')
624 size = simple_strtoull(argv[3], NULL, 16);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100625 argc--;
626 }
627 /* Use maximum available size */
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100628 if (!size) {
Paul Burtondd7185f2013-09-04 15:16:58 +0100629 size = (int64_t)ubi->avail_pebs * ubi->leb_size;
630 printf("No size specified -> Using max size (%lld)\n", size);
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100631 }
Kyungmin Park694a0b32008-11-19 11:47:05 +0100632 /* E.g., create volume */
Quentin Schulz386f20c2019-09-12 16:41:01 +0200633 if (argc == 3) {
634 return ubi_create_vol(argv[2], size, dynamic, id,
635 skipcheck);
636 }
Kyungmin Park694a0b32008-11-19 11:47:05 +0100637 }
638
639 if (strncmp(argv[1], "remove", 6) == 0) {
640 /* E.g., remove volume */
641 if (argc == 3)
642 return ubi_remove_vol(argv[2]);
643 }
644
Philippe Reynes83f70782020-03-23 19:20:47 +0100645 if (IS_ENABLED(CONFIG_CMD_UBI_RENAME) && !strncmp(argv[1], "rename", 6))
646 return ubi_rename_vol(argv[2], argv[3]);
647
Stefan Roesee6661cf2019-09-17 09:17:53 +0200648 if (strncmp(argv[1], "skipcheck", 9) == 0) {
649 /* E.g., change skip_check flag */
650 if (argc == 4) {
651 skipcheck = strncmp(argv[3], "on", 2) == 0;
652 return ubi_set_skip_check(argv[2], skipcheck);
653 }
654 }
655
Kyungmin Park694a0b32008-11-19 11:47:05 +0100656 if (strncmp(argv[1], "write", 5) == 0) {
Joe Hershberger71829062013-04-08 10:32:47 +0000657 int ret;
658
Kyungmin Park694a0b32008-11-19 11:47:05 +0100659 if (argc < 5) {
660 printf("Please see usage\n");
661 return 1;
662 }
663
664 addr = simple_strtoul(argv[2], NULL, 16);
Stefan Roesea5c40672008-11-24 08:31:16 +0100665 size = simple_strtoul(argv[4], NULL, 16);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100666
Paul Burtoncc734f52013-09-04 15:16:59 +0100667 if (strlen(argv[1]) == 10 &&
668 strncmp(argv[1] + 5, ".part", 5) == 0) {
669 if (argc < 6) {
670 ret = ubi_volume_continue_write(argv[3],
671 (void *)addr, size);
672 } else {
673 size_t full_size;
674 full_size = simple_strtoul(argv[5], NULL, 16);
675 ret = ubi_volume_begin_write(argv[3],
676 (void *)addr, size, full_size);
677 }
678 } else {
679 ret = ubi_volume_write(argv[3], (void *)addr, size);
680 }
Joe Hershberger71829062013-04-08 10:32:47 +0000681 if (!ret) {
Paul Burtondd7185f2013-09-04 15:16:58 +0100682 printf("%lld bytes written to volume %s\n", size,
Joe Hershberger71829062013-04-08 10:32:47 +0000683 argv[3]);
684 }
685
686 return ret;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100687 }
688
689 if (strncmp(argv[1], "read", 4) == 0) {
690 size = 0;
691
692 /* E.g., read volume size */
693 if (argc == 5) {
Stefan Roesea5c40672008-11-24 08:31:16 +0100694 size = simple_strtoul(argv[4], NULL, 16);
Kyungmin Park694a0b32008-11-19 11:47:05 +0100695 argc--;
696 }
697
698 /* E.g., read volume */
699 if (argc == 4) {
700 addr = simple_strtoul(argv[2], NULL, 16);
701 argc--;
702 }
703
Joe Hershberger71829062013-04-08 10:32:47 +0000704 if (argc == 3) {
Kyungmin Park694a0b32008-11-19 11:47:05 +0100705 return ubi_volume_read(argv[3], (char *)addr, size);
Joe Hershberger71829062013-04-08 10:32:47 +0000706 }
Kyungmin Park694a0b32008-11-19 11:47:05 +0100707 }
708
709 printf("Please see usage\n");
Stefan Roese7f5d8a42011-03-14 14:34:21 +0100710 return 1;
Kyungmin Park694a0b32008-11-19 11:47:05 +0100711}
712
Frans Meulenbroeks388a29d2010-07-31 15:01:53 +0200713U_BOOT_CMD(
Quentin Schulz386f20c2019-09-12 16:41:01 +0200714 ubi, 7, 1, do_ubi,
Peter Tyser2fb26042009-01-27 18:03:12 -0600715 "ubi commands",
Heiko Schochercddfc972016-06-07 08:55:40 +0200716 "detach"
717 " - detach ubi from a mtd partition\n"
718 "ubi part [part] [offset]\n"
Simon Kagstrom25c8f402009-07-07 16:59:46 +0200719 " - Show or set current partition (with optional VID"
720 " header offset)\n"
Kyungmin Park694a0b32008-11-19 11:47:05 +0100721 "ubi info [l[ayout]]"
722 " - Display volume and ubi layout information\n"
Heiko Schocherf9f4d802014-01-25 07:27:11 +0100723 "ubi check volumename"
724 " - check if volumename exists\n"
Quentin Schulz386f20c2019-09-12 16:41:01 +0200725 "ubi create[vol] volume [size] [type] [id] [--skipcheck]\n"
Ladislav Michlf59f07e2017-01-19 11:45:35 +0100726 " - create volume name with size ('-' for maximum"
727 " available size)\n"
Kyungmin Park694a0b32008-11-19 11:47:05 +0100728 "ubi write[vol] address volume size"
729 " - Write volume from address with size\n"
Paul Burtoncc734f52013-09-04 15:16:59 +0100730 "ubi write.part address volume size [fullsize]\n"
731 " - Write part of a volume from address\n"
Kyungmin Park694a0b32008-11-19 11:47:05 +0100732 "ubi read[vol] address volume [size]"
733 " - Read volume to address with size\n"
734 "ubi remove[vol] volume"
735 " - Remove volume\n"
Philippe Reynes83f70782020-03-23 19:20:47 +0100736#if IS_ENABLED(CONFIG_CMD_UBI_RENAME)
737 "ubi rename oldname newname\n"
738#endif
Stefan Roesee6661cf2019-09-17 09:17:53 +0200739 "ubi skipcheck volume on/off - Set or clear skip_check flag in volume header\n"
Kyungmin Park694a0b32008-11-19 11:47:05 +0100740 "[Legends]\n"
Andrzej Wolskif6ca3b72009-07-17 22:26:54 +0200741 " volume: character name\n"
742 " size: specified in bytes\n"
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200743 " type: s[tatic] or d[ynamic] (default=dynamic)"
Kyungmin Park694a0b32008-11-19 11:47:05 +0100744);