[PATCH 10/10] commands: add ubiformat
Wolfram Sang
w.sang at pengutronix.de
Mon Dec 10 03:14:15 EST 2012
Imported from mtd-utils and stripped down to needed functionality.
Based on an older version (1.4.5.) since the newer do use MEMWRITE
interfaces which we don't have in barebox (yet).
Signed-off-by: Wolfram Sang <w.sang at pengutronix.de>
---
commands/Kconfig | 9 +
commands/Makefile | 1 +
commands/ubiformat.c | 794 ++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 804 insertions(+)
create mode 100644 commands/ubiformat.c
diff --git a/commands/Kconfig b/commands/Kconfig
index ac9b797..b30e84e 100644
--- a/commands/Kconfig
+++ b/commands/Kconfig
@@ -347,6 +347,15 @@ config CMD_UBI
depends on UBI
prompt "ubimkvol, ubirmvol, ubiattach"
+config CMD_UBIFORMAT
+ tristate
+ depends on UBI
+ select LIBMTD
+ select LIBSCAN
+ select LIBUBIGEN
+ select UBIUTILS
+ prompt "ubiformat"
+
endmenu
diff --git a/commands/Makefile b/commands/Makefile
index effc91b..359f566 100644
--- a/commands/Makefile
+++ b/commands/Makefile
@@ -57,6 +57,7 @@ obj-$(CONFIG_CMD_UNCOMPRESS) += uncompress.o
obj-$(CONFIG_CMD_I2C) += i2c.o
obj-$(CONFIG_CMD_SPI) += spi.o
obj-$(CONFIG_CMD_UBI) += ubi.o
+obj-$(CONFIG_CMD_UBIFORMAT) += ubiformat.o
obj-$(CONFIG_CMD_MENU) += menu.o
obj-$(CONFIG_CMD_PASSWD) += passwd.o
obj-$(CONFIG_CMD_LOGIN) += login.o
diff --git a/commands/ubiformat.c b/commands/ubiformat.c
new file mode 100644
index 0000000..e6b0e0f
--- /dev/null
+++ b/commands/ubiformat.c
@@ -0,0 +1,794 @@
+/*
+ * Copyright (C) 2008 Nokia Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/*
+ * An utility to format MTD devices into UBI and flash UBI images.
+ *
+ * Author: Artem Bityutskiy
+ */
+
+/*
+ * Maximum amount of consequtive eraseblocks which are considered as normal by
+ * this utility. Otherwise it is assume that something is wrong with the flash
+ * or the driver, and eraseblocks are stopped being marked as bad.
+ */
+#define MAX_CONSECUTIVE_BAD_BLOCKS 4
+
+#define PROGRAM_VERSION "1.5"
+#define PROGRAM_NAME "ubiformat"
+
+#include <common.h>
+#include <command.h>
+#include <fs.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <getopt.h>
+#include <crc.h>
+#include <stdlib.h>
+#include <clock.h>
+#include <malloc.h>
+#include <ioctl.h>
+#include <linux/mtd/mtd.h>
+#include <linux/kernel.h>
+#include <linux/stat.h>
+#include <linux/mtd/mtd-abi.h>
+#include <mtd/libmtd.h>
+#include <mtd/libscan.h>
+#include <mtd/libubigen.h>
+#include <mtd/ubiutils-common.h>
+#include <mtd/ubi-user.h>
+#include <mtd/utils.h>
+#include <mtd/ubi-media.h>
+
+/* The variables below are set by command line arguments */
+struct args {
+ unsigned int quiet:1;
+ unsigned int verbose:1;
+ unsigned int override_ec:1;
+ unsigned int novtbl:1;
+ unsigned int manual_subpage;
+ int subpage_size;
+ int vid_hdr_offs;
+ int ubi_ver;
+ uint32_t image_seq;
+ long long ec;
+ const char *image;
+ const char *node;
+ int node_fd;
+};
+
+static struct args args;
+
+static int parse_opt(int argc, char *argv[])
+{
+ srand(get_time_ns());
+ memset(&args, 0, sizeof(args));
+ args.ubi_ver = 1;
+ args.image_seq = rand();
+
+ while (1) {
+ int key;
+ unsigned long int image_seq;
+
+ key = getopt(argc, argv, "nyqve:x:s:O:f:S:");
+ if (key == -1)
+ break;
+
+ switch (key) {
+ case 's':
+ args.subpage_size = ubiutils_get_bytes(optarg);
+ if (args.subpage_size <= 0)
+ return errmsg("bad sub-page size: \"%s\"", optarg);
+ if (!is_power_of_2(args.subpage_size))
+ return errmsg("sub-page size should be power of 2");
+ break;
+
+ case 'O':
+ args.vid_hdr_offs = simple_strtoul(optarg, NULL, 0);
+ if (args.vid_hdr_offs <= 0)
+ return errmsg("bad VID header offset: \"%s\"", optarg);
+ break;
+
+ case 'e':
+ args.ec = simple_strtoull(optarg, NULL, 0);
+ if (args.ec < 0)
+ return errmsg("bad erase counter value: \"%s\"", optarg);
+ if (args.ec >= EC_MAX)
+ return errmsg("too high erase %llu, counter, max is %u", args.ec, EC_MAX);
+ args.override_ec = 1;
+ break;
+
+ case 'f':
+ args.image = optarg;
+ break;
+
+ case 'n':
+ args.novtbl = 1;
+ break;
+
+ case 'q':
+ args.quiet = 1;
+ break;
+
+ case 'x':
+ args.ubi_ver = simple_strtoul(optarg, NULL, 0);
+ if (args.ubi_ver < 0)
+ return errmsg("bad UBI version: \"%s\"", optarg);
+ break;
+
+ case 'Q':
+ image_seq = simple_strtoul(optarg, NULL, 0);
+ if (image_seq > 0xFFFFFFFF)
+ return errmsg("bad UBI image sequence number: \"%s\"", optarg);
+ args.image_seq = image_seq;
+ break;
+
+ case 'v':
+ args.verbose = 1;
+ break;
+
+ case ':':
+ return errmsg("parameter is missing");
+
+ default:
+ fprintf(stderr, "Use -h for help\n");
+ return -1;
+ }
+ }
+
+ if (args.quiet && args.verbose)
+ return errmsg("using \"-q\" and \"-v\" at the same time does not make sense");
+
+ if (optind == argc)
+ return errmsg("MTD device name was not specified (use -h for help)");
+ else if (optind != argc - 1)
+ return errmsg("more then one MTD device specified (use -h for help)");
+
+ if (args.image && args.novtbl)
+ return errmsg("-n cannot be used together with -f");
+
+
+ args.node = argv[optind];
+ return 0;
+}
+
+static void print_bad_eraseblocks(const struct mtd_dev_info *mtd,
+ const struct ubi_scan_info *si)
+{
+ int first = 1, eb;
+
+ if (si->bad_cnt == 0)
+ return;
+
+ normsg_cont("%d bad eraseblocks found, numbers: ", si->bad_cnt);
+ for (eb = 0; eb < mtd->eb_cnt; eb++) {
+ if (si->ec[eb] != EB_BAD)
+ continue;
+ if (first) {
+ printf("%d", eb);
+ first = 0;
+ } else
+ printf(", %d", eb);
+ }
+ printf("\n");
+}
+
+static int change_ech(struct ubi_ec_hdr *hdr, uint32_t image_seq,
+ long long ec)
+{
+ uint32_t crc;
+
+ /* Check the EC header */
+ if (be32_to_cpu(hdr->magic) != UBI_EC_HDR_MAGIC)
+ return errmsg("bad UBI magic %#08x, should be %#08x",
+ be32_to_cpu(hdr->magic), UBI_EC_HDR_MAGIC);
+
+ crc = crc32_no_comp(UBI_CRC32_INIT, hdr, UBI_EC_HDR_SIZE_CRC);
+ if (be32_to_cpu(hdr->hdr_crc) != crc)
+ return errmsg("bad CRC %#08x, should be %#08x\n",
+ crc, be32_to_cpu(hdr->hdr_crc));
+
+ hdr->image_seq = cpu_to_be32(image_seq);
+ hdr->ec = cpu_to_be64(ec);
+ crc = crc32_no_comp(UBI_CRC32_INIT, hdr, UBI_EC_HDR_SIZE_CRC);
+ hdr->hdr_crc = cpu_to_be32(crc);
+
+ return 0;
+}
+
+static int drop_ffs(const struct mtd_dev_info *mtd, const void *buf, int len)
+{
+ int i;
+
+ for (i = len - 1; i >= 0; i--)
+ if (((const uint8_t *)buf)[i] != 0xFF)
+ break;
+
+ /* The resulting length must be aligned to the minimum flash I/O size */
+ len = i + 1;
+ len = (len + mtd->min_io_size - 1) / mtd->min_io_size;
+ len *= mtd->min_io_size;
+ return len;
+}
+
+static int open_file(off_t *sz)
+{
+ int fd;
+ struct stat st;
+
+ if (stat(args.image, &st))
+ return sys_errmsg("cannot open \"%s\"", args.image);
+
+ *sz = st.st_size;
+ fd = open(args.image, O_RDWR);
+ if (fd < 0)
+ return sys_errmsg("cannot open \"%s\"", args.image);
+
+ return fd;
+}
+
+static int read_all(int fd, void *buf, size_t len)
+{
+ while (len > 0) {
+ ssize_t l = read(fd, buf, len);
+ if (l == 0) {
+ return errmsg("eof reached; %zu bytes remaining", len);
+ } else if (l > 0) {
+ buf += l;
+ len -= l;
+ } else if (errno == EINTR || errno == EAGAIN) {
+ continue;
+ } else {
+ return sys_errmsg("reading failed; %zu bytes remaining", len);
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * Returns %-1 if consecutive bad blocks exceeds the
+ * MAX_CONSECUTIVE_BAD_BLOCKS and returns %0 otherwise.
+ */
+static int consecutive_bad_check(int eb)
+{
+ static int consecutive_bad_blocks = 1;
+ static int prev_bb = -1;
+
+ if (prev_bb == -1)
+ prev_bb = eb;
+
+ if (eb == prev_bb + 1)
+ consecutive_bad_blocks += 1;
+ else
+ consecutive_bad_blocks = 1;
+
+ prev_bb = eb;
+
+ if (consecutive_bad_blocks >= MAX_CONSECUTIVE_BAD_BLOCKS) {
+ if (!args.quiet)
+ printf("\n");
+ return errmsg("consecutive bad blocks exceed limit: %d, bad flash?",
+ MAX_CONSECUTIVE_BAD_BLOCKS);
+ }
+
+ return 0;
+}
+
+/* TODO: we should actually torture the PEB before marking it as bad */
+static int mark_bad(const struct mtd_dev_info *mtd, struct ubi_scan_info *si, int eb)
+{
+ int err;
+
+ if (!args.quiet)
+ normsg_cont("marking block %d bad", eb);
+
+ if (!args.quiet)
+ printf("\n");
+
+ if (!mtd->bb_allowed) {
+ if (!args.quiet)
+ printf("\n");
+ return errmsg("bad blocks not supported by this flash");
+ }
+
+ err = mtd_mark_bad(mtd, args.node_fd, eb);
+ if (err)
+ return err;
+
+ si->bad_cnt += 1;
+ si->ec[eb] = EB_BAD;
+
+ return consecutive_bad_check(eb);
+}
+
+static int flash_image(const struct mtd_dev_info *mtd,
+ const struct ubigen_info *ui, struct ubi_scan_info *si)
+{
+ int fd, img_ebs, eb, written_ebs = 0, divisor;
+ off_t st_size;
+
+ fd = open_file(&st_size);
+ if (fd < 0)
+ return fd;
+
+ img_ebs = st_size / mtd->eb_size;
+
+ if (img_ebs > si->good_cnt) {
+ sys_errmsg("file \"%s\" is too large (%lld bytes)",
+ args.image, (long long)st_size);
+ goto out_close;
+ }
+
+ if (st_size % mtd->eb_size) {
+ return sys_errmsg("file \"%s\" (size %lld bytes) is not multiple of ""eraseblock size (%d bytes)",
+ args.image, (long long)st_size, mtd->eb_size);
+ goto out_close;
+ }
+
+ verbose(args.verbose, "will write %d eraseblocks", img_ebs);
+ divisor = img_ebs;
+ for (eb = 0; eb < mtd->eb_cnt; eb++) {
+ int err, new_len;
+ char buf[mtd->eb_size];
+ long long ec;
+
+ if (!args.quiet && !args.verbose) {
+ printf("\r" PROGRAM_NAME ": flashing eraseblock %d -- %2u %% complete ",
+ eb, (eb + 1) * 100 / mtd->eb_cnt);
+ }
+
+ if (si->ec[eb] == EB_BAD) {
+ divisor += 1;
+ continue;
+ }
+
+ if (args.verbose) {
+ normsg_cont("eraseblock %d: erase", eb);
+ }
+
+ err = mtd_erase(mtd, args.node_fd, eb);
+ if (err) {
+ if (!args.quiet)
+ printf("\n");
+ sys_errmsg("failed to erase eraseblock %d", eb);
+
+ if (errno != EIO)
+ goto out_close;
+
+ if (mark_bad(mtd, si, eb))
+ goto out_close;
+
+ continue;
+ }
+
+ err = read_all(fd, buf, mtd->eb_size);
+ if (err) {
+ sys_errmsg("failed to read eraseblock %d from \"%s\"",
+ written_ebs, args.image);
+ goto out_close;
+ }
+
+ if (args.override_ec)
+ ec = args.ec;
+ else if (si->ec[eb] <= EC_MAX)
+ ec = si->ec[eb] + 1;
+ else
+ ec = si->mean_ec;
+
+ if (args.verbose) {
+ printf(", change EC to %lld", ec);
+ }
+
+ err = change_ech((struct ubi_ec_hdr *)buf, ui->image_seq, ec);
+ if (err) {
+ errmsg("bad EC header at eraseblock %d of \"%s\"",
+ written_ebs, args.image);
+ goto out_close;
+ }
+
+ if (args.verbose) {
+ printf(", write data\n");
+ }
+
+ new_len = drop_ffs(mtd, buf, mtd->eb_size);
+
+ err = mtd_write(mtd, args.node_fd, eb, 0, buf, new_len);
+ if (err) {
+ sys_errmsg("cannot write eraseblock %d", eb);
+
+ if (errno != EIO)
+ goto out_close;
+
+ err = mtd_torture(mtd, args.node_fd, eb);
+ if (err) {
+ if (mark_bad(mtd, si, eb))
+ goto out_close;
+ }
+ continue;
+ }
+ if (++written_ebs >= img_ebs)
+ break;
+ }
+
+ if (!args.quiet && !args.verbose)
+ printf("\n");
+ close(fd);
+ return eb + 1;
+
+out_close:
+ close(fd);
+ return -1;
+}
+
+static int format(const struct mtd_dev_info *mtd,
+ const struct ubigen_info *ui, struct ubi_scan_info *si,
+ int start_eb, int novtbl)
+{
+ int eb, err, write_size;
+ struct ubi_ec_hdr *hdr;
+ struct ubi_vtbl_record *vtbl;
+ int eb1 = -1, eb2 = -1;
+ long long ec1 = -1, ec2 = -1;
+
+ write_size = UBI_EC_HDR_SIZE + mtd->subpage_size - 1;
+ write_size /= mtd->subpage_size;
+ write_size *= mtd->subpage_size;
+ hdr = malloc(write_size);
+ if (!hdr)
+ return sys_errmsg("cannot allocate %d bytes of memory", write_size);
+ memset(hdr, 0xFF, write_size);
+
+ for (eb = start_eb; eb < mtd->eb_cnt; eb++) {
+ long long ec;
+
+ if (!args.quiet && !args.verbose) {
+ printf("\r" PROGRAM_NAME ": formatting eraseblock %d -- %2u %% complete ",
+ eb, (eb + 1 - start_eb) * 100 / (mtd->eb_cnt - start_eb));
+ }
+
+ if (si->ec[eb] == EB_BAD)
+ continue;
+
+ if (args.override_ec)
+ ec = args.ec;
+ else if (si->ec[eb] <= EC_MAX)
+ ec = si->ec[eb] + 1;
+ else
+ ec = si->mean_ec;
+ ubigen_init_ec_hdr(ui, hdr, ec);
+
+ if (args.verbose) {
+ normsg_cont("eraseblock %d: erase", eb);
+ }
+
+ err = mtd_erase(mtd, args.node_fd, eb);
+ if (err) {
+ if (!args.quiet)
+ printf("\n");
+
+ sys_errmsg("failed to erase eraseblock %d", eb);
+ if (errno != EIO)
+ goto out_free;
+
+ if (mark_bad(mtd, si, eb))
+ goto out_free;
+ continue;
+ }
+
+ if ((eb1 == -1 || eb2 == -1) && !novtbl) {
+ if (eb1 == -1) {
+ eb1 = eb;
+ ec1 = ec;
+ } else if (eb2 == -1) {
+ eb2 = eb;
+ ec2 = ec;
+ }
+ if (args.verbose)
+ printf(", do not write EC, leave for vtbl\n");
+ continue;
+ }
+
+ if (args.verbose) {
+ printf(", write EC %lld\n", ec);
+ }
+
+ err = mtd_write(mtd, args.node_fd, eb, 0, hdr, write_size);
+ if (err) {
+ if (!args.quiet && !args.verbose)
+ printf("\n");
+ sys_errmsg("cannot write EC header (%d bytes buffer) to eraseblock %d",
+ write_size, eb);
+
+ if (errno != EIO) {
+ if (!args.subpage_size != mtd->min_io_size)
+ normsg("may be sub-page size is "
+ "incorrect?");
+ goto out_free;
+ }
+
+ err = mtd_torture(mtd, args.node_fd, eb);
+ if (err) {
+ if (mark_bad(mtd, si, eb))
+ goto out_free;
+ }
+ continue;
+
+ }
+ }
+
+ if (!args.quiet && !args.verbose)
+ printf("\n");
+
+ if (!novtbl) {
+ if (eb1 == -1 || eb2 == -1) {
+ errmsg("no eraseblocks for volume table");
+ goto out_free;
+ }
+
+ verbose(args.verbose, "write volume table to eraseblocks %d and %d", eb1, eb2);
+ vtbl = ubigen_create_empty_vtbl(ui);
+ if (!vtbl)
+ goto out_free;
+
+ err = ubigen_write_layout_vol(ui, eb1, eb2, ec1, ec2, vtbl,
+ args.node_fd);
+ free(vtbl);
+ if (err) {
+ errmsg("cannot write layout volume");
+ goto out_free;
+ }
+ }
+
+ free(hdr);
+ return 0;
+
+out_free:
+ free(hdr);
+ return -1;
+}
+
+int do_ubiformat(int argc, char *argv[])
+{
+ int err, verbose;
+ struct mtd_dev_info mtd;
+ struct ubigen_info ui;
+ struct ubi_scan_info *si;
+
+ err = parse_opt(argc, argv);
+ if (err)
+ goto out_close_mtd;
+
+ err = mtd_get_dev_info(args.node, &mtd);
+ if (err) {
+ sys_errmsg("cannot get information about \"%s\"", args.node);
+ goto out_close_mtd;
+ }
+
+ if (!is_power_of_2(mtd.min_io_size)) {
+ errmsg("min. I/O size is %d, but should be power of 2",
+ mtd.min_io_size);
+ goto out_close;
+ }
+
+ if (args.subpage_size && args.subpage_size != mtd.subpage_size) {
+ mtd.subpage_size = args.subpage_size;
+ args.manual_subpage = 1;
+ }
+
+ if (args.manual_subpage) {
+ /* Do some sanity check */
+ if (args.subpage_size > mtd.min_io_size) {
+ errmsg("sub-page cannot be larger than min. I/O unit");
+ goto out_close;
+ }
+
+ if (mtd.min_io_size % args.subpage_size) {
+ errmsg("min. I/O unit size should be multiple of "
+ "sub-page size");
+ goto out_close;
+ }
+ }
+
+ args.node_fd = open(args.node, O_RDWR);
+ if (args.node_fd < 0) {
+ sys_errmsg("cannot open \"%s\"", args.node);
+ goto out_close_mtd;
+ }
+
+ /* Validate VID header offset if it was specified */
+ if (args.vid_hdr_offs != 0) {
+ if (args.vid_hdr_offs % 8) {
+ errmsg("VID header offset has to be multiple of min. I/O unit size");
+ goto out_close;
+ }
+ if (args.vid_hdr_offs + (int)UBI_VID_HDR_SIZE > mtd.eb_size) {
+ errmsg("bad VID header offset");
+ goto out_close;
+ }
+ }
+
+ if (!mtd.writable) {
+ errmsg("%s (%s) is a read-only device", mtd.node, args.node);
+ goto out_close;
+ }
+
+ /* Make sure this MTD device is not attached to UBI */
+ /* FIXME! Find a proper way to do this in barebox! */
+
+ if (!args.quiet) {
+ normsg_cont("%s (%s), size ", mtd.node, mtd.type_str);
+ ubiutils_print_bytes(mtd.size, 1);
+ printf(", %d eraseblocks of ", mtd.eb_cnt);
+ ubiutils_print_bytes(mtd.eb_size, 1);
+ printf(", min. I/O size %d bytes\n", mtd.min_io_size);
+ }
+
+ if (args.quiet)
+ verbose = 0;
+ else if (args.verbose)
+ verbose = 2;
+ else
+ verbose = 1;
+ err = libscan_ubi_scan(&mtd, args.node_fd, &si, verbose);
+ if (err) {
+ errmsg("failed to scan %s (%s)", mtd.node, args.node);
+ goto out_close;
+ }
+
+ if (si->good_cnt == 0) {
+ errmsg("all %d eraseblocks are bad", si->bad_cnt);
+ goto out_free;
+ }
+
+ if (si->good_cnt < 2 && (!args.novtbl || args.image)) {
+ errmsg("too few non-bad eraseblocks (%d) on %s",
+ si->good_cnt, mtd.node);
+ goto out_free;
+ }
+
+ if (!args.quiet) {
+ if (si->ok_cnt)
+ normsg("%d eraseblocks have valid erase counter, mean value is %lld",
+ si->ok_cnt, si->mean_ec);
+ if (si->empty_cnt)
+ normsg("%d eraseblocks are supposedly empty", si->empty_cnt);
+ if (si->corrupted_cnt)
+ normsg("%d corrupted erase counters", si->corrupted_cnt);
+ print_bad_eraseblocks(&mtd, si);
+ }
+
+ if (si->alien_cnt) {
+ if (!args.quiet)
+ warnmsg("%d of %d eraseblocks contain non-ubifs data",
+ si->alien_cnt, si->good_cnt);
+ goto out_free;
+ }
+
+ if (!args.override_ec && si->empty_cnt < si->good_cnt) {
+ int percent = (si->ok_cnt * 100) / si->good_cnt;
+
+ /*
+ * Make sure the majority of eraseblocks have valid
+ * erase counters.
+ */
+ if (percent < 50) {
+ if (!args.quiet) {
+ warnmsg("only %d of %d eraseblocks have valid erase counter",
+ si->ok_cnt, si->good_cnt);
+ normsg("erase counter 0 will be used for all eraseblocks");
+ normsg("note, arbitrary erase counter value may be specified using -e option");
+ }
+ args.ec = 0;
+ args.override_ec = 1;
+ } else if (percent < 95) {
+ if (!args.quiet) {
+ warnmsg("only %d of %d eraseblocks have valid erase counter",
+ si->ok_cnt, si->good_cnt);
+ normsg("mean erase counter %lld will be used for the rest of eraseblock",
+ si->mean_ec);
+ }
+ args.ec = si->mean_ec;
+ args.override_ec = 1;
+ }
+ }
+
+ if (!args.quiet && args.override_ec)
+ normsg("use erase counter %lld for all eraseblocks", args.ec);
+
+ ubigen_info_init(&ui, mtd.eb_size, mtd.min_io_size, mtd.subpage_size,
+ args.vid_hdr_offs, args.ubi_ver, args.image_seq);
+
+ if (si->vid_hdr_offs != -1 && ui.vid_hdr_offs != si->vid_hdr_offs) {
+ /*
+ * Hmm, what we read from flash and what we calculated using
+ * min. I/O unit size and sub-page size differs.
+ */
+ if (!args.quiet)
+ warnmsg("VID header and data offsets on flash are %d and %d, "
+ "which is different to requested offsets %d and %d",
+ si->vid_hdr_offs, si->data_offs, ui.vid_hdr_offs,
+ ui.data_offs);
+ normsg("use offsets %d and %d", ui.vid_hdr_offs, ui.data_offs);
+ }
+
+ if (args.image) {
+ err = flash_image(&mtd, &ui, si);
+ if (err < 0)
+ goto out_free;
+
+ err = format(&mtd, &ui, si, err, 1);
+ if (err)
+ goto out_free;
+ } else {
+ err = format(&mtd, &ui, si, 0, args.novtbl);
+ if (err)
+ goto out_free;
+ }
+
+ libscan_ubi_scan_free(si);
+ close(args.node_fd);
+ return 0;
+
+out_free:
+ libscan_ubi_scan_free(si);
+out_close:
+ close(args.node_fd);
+out_close_mtd:
+ return 1;
+}
+
+static const __maybe_unused char cmd_ubiformat_help[] =
+" - a tool to format MTD devices and flash UBI images\n"
+"\n"
+"-s, --sub-page-size=<bytes> minimum input/output unit used for UBI\n"
+" headers, e.g. sub-page size in case of NAND\n"
+" flash (equivalent to the minimum input/output\n"
+" unit size by default)\n"
+"-O, --vid-hdr-offset=<offs> offset if the VID header from start of the\n"
+" physical eraseblock (default is the next\n"
+" minimum I/O unit or sub-page after the EC\n"
+" header)\n"
+"-n, --no-volume-table only erase all eraseblock and preserve erase\n"
+" counters, do not write empty volume table\n"
+"-f, --flash-image=<file> flash image file\n"
+"-e, --erase-counter=<value> use <value> as the erase counter value for all\n"
+" eraseblocks\n"
+"-x, --ubi-ver=<num> UBI version number to put to EC headers\n"
+" (default is 1)\n"
+"-Q, --image-seq=<num> 32-bit UBI image sequence number to use\n"
+" (by default a random number is picked)\n"
+"-q, --quiet suppress progress percentage information\n"
+"-v, --verbose be verbose\n"
+"-h, -?, --help print help message\n"
+"\n"
+"Usage: " PROGRAM_NAME " <MTD device node file name> [-s <bytes>] [-O <offs>] [-n]\n"
+"\t\t\t[-f <file>] [-e <value>] [-x <num>] [-y] [-q] [-v] [-h] [-v]\n"
+"\t\t\t[--sub-page-size=<bytes>] [--vid-hdr-offset=<offs>] [--no-volume-table]\n"
+"\t\t\t[--flash-image=<file>] [--image-size=<bytes>] [--erase-counter=<value>]\n"
+"\t\t\t[--ubi-ver=<num>] [--quiet] [--verbose]\n\n"
+"Example 1: " PROGRAM_NAME " /dev/mtd0 -y - format MTD device number 0 and do\n"
+" not ask questions.\n"
+"Example 2: " PROGRAM_NAME " /dev/mtd0 -q -e 0 - format MTD device number 0,\n"
+" be quiet and force erase counter value 0.\n";
+
+BAREBOX_CMD_START(ubiformat)
+ .cmd = do_ubiformat,
+ .usage = "format an ubi volume",
+ BAREBOX_CMD_HELP(cmd_ubiformat_help)
+BAREBOX_CMD_END
--
1.7.10.4
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