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Diffstat (limited to 'ubi-utils/src/mtdinfo.c')
-rw-r--r--ubi-utils/src/mtdinfo.c446
1 files changed, 0 insertions, 446 deletions
diff --git a/ubi-utils/src/mtdinfo.c b/ubi-utils/src/mtdinfo.c
deleted file mode 100644
index bfd7e6d..0000000
--- a/ubi-utils/src/mtdinfo.c
+++ /dev/null
@@ -1,446 +0,0 @@
-/*
- * Copyright (C) 2009 Nokia Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * 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., 51
- * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/*
- * An utility to get MTD information.
- *
- * Author: Artem Bityutskiy
- */
-
-#define PROGRAM_VERSION "1.1"
-#define PROGRAM_NAME "mtdinfo"
-
-#include <stdint.h>
-#include <stdio.h>
-#include <getopt.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <mtd/mtd-user.h>
-
-#include <libubigen.h>
-#include <libmtd.h>
-#include "common.h"
-#include "ubiutils-common.h"
-
-/* The variables below are set by command line arguments */
-struct args {
- int mtdn;
- unsigned int all:1;
- unsigned int ubinfo:1;
- unsigned int map:1;
- const char *node;
-};
-
-static struct args args = {
- .mtdn = -1,
- .ubinfo = 0,
- .all = 0,
- .node = NULL,
-};
-
-static const char doc[] = PROGRAM_NAME " version " PROGRAM_VERSION
- " - a tool to print MTD information.";
-
-static const char optionsstr[] =
-"-m, --mtdn=<MTD device number> MTD device number to get information about\n"
-" (deprecated option, will be removed, do not use)\n"
-"-u, --ubi-info print what would UBI layout be if it was put\n"
-" on this MTD device\n"
-"-M, --map print eraseblock map\n"
-"-a, --all print information about all MTD devices\n"
-"-h, --help print help message\n"
-"-V, --version print program version";
-
-static const char usage[] =
-"Usage 1: " PROGRAM_NAME " [-m <MTD device number>] [-u] [-M] [-h] [-V] [--mtdn <MTD device number>]\n"
-"\t\t[--ubi-info] [--help] [--version]\n"
-"Usage 2: " PROGRAM_NAME " <MTD device node file name> [-u] [-M] [-h] [-V] [--ubi-info] [--help]\n"
-"\t\t[--version]\n"
-"Example 1: " PROGRAM_NAME " - (no arguments) print general MTD information\n"
-"Example 2: " PROGRAM_NAME " -m 1 - print information about MTD device number 1\n"
-"Example 3: " PROGRAM_NAME " /dev/mtd0 - print information MTD device /dev/mtd0\n"
-"Example 4: " PROGRAM_NAME " /dev/mtd0 -u - print information MTD device /dev/mtd0\n"
-"\t\t\t\tand include UBI layout information\n"
-"Example 5: " PROGRAM_NAME " -a - print information about all MTD devices\n"
-"\t\t\tand include UBI layout information\n";
-
-static const struct option long_options[] = {
- { .name = "mtdn", .has_arg = 1, .flag = NULL, .val = 'm' },
- { .name = "ubi-info", .has_arg = 0, .flag = NULL, .val = 'u' },
- { .name = "map", .has_arg = 0, .flag = NULL, .val = 'M' },
- { .name = "all", .has_arg = 0, .flag = NULL, .val = 'a' },
- { .name = "help", .has_arg = 0, .flag = NULL, .val = 'h' },
- { .name = "version", .has_arg = 0, .flag = NULL, .val = 'V' },
- { NULL, 0, NULL, 0},
-};
-
-static int parse_opt(int argc, char * const argv[])
-{
- while (1) {
- int key, error = 0;
-
- key = getopt_long(argc, argv, "am:uMhV", long_options, NULL);
- if (key == -1)
- break;
-
- switch (key) {
- case 'a':
- args.all = 1;
- break;
-
- case 'u':
- args.ubinfo = 1;
- break;
-
- case 'm':
- args.mtdn = simple_strtoul(optarg, &error);
- if (error || args.mtdn < 0)
- return errmsg("bad MTD device number: \"%s\"", optarg);
- warnmsg("-m/--mtdn is depecated, will be removed in mtd-utils-1.4.6");
- break;
-
- case 'M':
- args.map = 1;
- break;
-
- case 'h':
- printf("%s\n\n", doc);
- printf("%s\n\n", usage);
- printf("%s\n", optionsstr);
- exit(EXIT_SUCCESS);
-
- case 'V':
- printf("%s\n", PROGRAM_VERSION);
- exit(EXIT_SUCCESS);
-
- case ':':
- return errmsg("parameter is missing");
-
- default:
- fprintf(stderr, "Use -h for help\n");
- return -1;
- }
- }
-
- if (optind == argc - 1)
- args.node = argv[optind];
- else if (optind < argc)
- return errmsg("more then one MTD device specified (use -h for help)");
-
- if (args.all && (args.node || args.mtdn != -1)) {
- args.mtdn = -1;
- args.node = NULL;
- }
-
- if (args.map && !args.node)
- return errmsg("-M requires MTD device node name");
-
- return 0;
-}
-
-static int translate_dev(libmtd_t libmtd, const char *node)
-{
- int err;
- struct mtd_dev_info mtd;
-
- err = mtd_get_dev_info(libmtd, node, &mtd);
- if (err) {
- if (errno == ENODEV)
- return errmsg("\"%s\" does not correspond to any "
- "existing MTD device", node);
- return sys_errmsg("cannot get information about MTD "
- "device \"%s\"", node);
- }
-
- args.mtdn = mtd.mtd_num;
- return 0;
-}
-
-static void print_ubi_info(const struct mtd_info *mtd_info,
- const struct mtd_dev_info *mtd)
-{
- struct ubigen_info ui;
-
- if (!mtd_info->sysfs_supported) {
- errmsg("cannot provide UBI info, becasue sub-page size is "
- "not known");
- return;
- }
-
- ubigen_info_init(&ui, mtd->eb_size, mtd->min_io_size, mtd->subpage_size,
- 0, 1, 0);
- printf("Default UBI VID header offset: %d\n", ui.vid_hdr_offs);
- printf("Default UBI data offset: %d\n", ui.data_offs);
- printf("Default UBI LEB size: ");
- ubiutils_print_bytes(ui.leb_size, 0);
- printf("\n");
- printf("Maximum UBI volumes count: %d\n", ui.max_volumes);
-}
-
-static void print_region_map(const struct mtd_dev_info *mtd, int fd,
- const region_info_t *reginfo)
-{
- unsigned long start;
- int i, width;
- int ret_locked, errno_locked, ret_bad, errno_bad;
-
- printf("Eraseblock map:\n");
-
- /* Figure out the number of spaces to pad w/out libm */
- for (i = 1, width = 0; i < reginfo->numblocks; i *= 10, ++width)
- continue;
-
- /* If we don't have a fd to query, just show the bare map */
- if (fd == -1) {
- ret_locked = ret_bad = -1;
- errno_locked = errno_bad = ENODEV;
- } else
- ret_locked = ret_bad = errno_locked = errno_bad = 0;
-
- for (i = 0; i < reginfo->numblocks; ++i) {
- start = reginfo->offset + i * reginfo->erasesize;
- printf(" %*i: %08lx ", width, i, start);
-
- if (ret_locked != -1) {
- ret_locked = mtd_is_locked(mtd, fd, i);
- if (ret_locked == 1)
- printf("RO ");
- else
- errno_locked = errno;
- }
- if (ret_locked != 1)
- printf(" ");
-
- if (ret_bad != -1) {
- ret_bad = mtd_is_bad(mtd, fd, i);
- if (ret_bad == 1)
- printf("BAD ");
- else
- errno_bad = errno;
- }
- if (ret_bad != 1)
- printf(" ");
-
- if (((i + 1) % 4) == 0)
- printf("\n");
- }
- if (i % 4)
- printf("\n");
-
- if (ret_locked == -1 && errno_locked != EOPNOTSUPP) {
- errno = errno_locked;
- sys_errmsg("could not read locked block info");
- }
-
- if (mtd->bb_allowed && ret_bad == -1 && errno_bad != EOPNOTSUPP) {
- errno = errno_bad;
- sys_errmsg("could not read bad block info");
- }
-}
-
-static void print_region_info(const struct mtd_dev_info *mtd)
-{
- region_info_t reginfo;
- int r, fd;
-
- /* If we don't have any region info, just return */
- if (!args.map && mtd->region_cnt == 0)
- return;
-
- /* First open the device so we can query it */
- fd = open(args.node, O_RDONLY | O_CLOEXEC);
- if (fd == -1) {
- sys_errmsg("couldn't open MTD dev: %s", args.node);
- if (mtd->region_cnt)
- return;
- }
-
- /* Walk all the regions and show the map for them */
- if (mtd->region_cnt) {
- for (r = 0; r < mtd->region_cnt; ++r) {
- printf("Eraseblock region %i: ", r);
- if (mtd_regioninfo(fd, r, &reginfo) == 0) {
- printf(" offset: %#x size: %#x numblocks: %#x\n",
- reginfo.offset, reginfo.erasesize,
- reginfo.numblocks);
- if (args.map)
- print_region_map(mtd, fd, &reginfo);
- } else
- printf(" info is unavailable\n");
- }
- } else {
- reginfo.offset = 0;
- reginfo.erasesize = mtd->eb_size;
- reginfo.numblocks = mtd->eb_cnt;
- reginfo.regionindex = 0;
- print_region_map(mtd, fd, &reginfo);
- }
-
- if (fd != -1)
- close(fd);
-}
-
-static int print_dev_info(libmtd_t libmtd, const struct mtd_info *mtd_info, int mtdn)
-{
- int err;
- struct mtd_dev_info mtd;
-
- err = mtd_get_dev_info1(libmtd, mtdn, &mtd);
- if (err) {
- if (errno == ENODEV)
- return errmsg("mtd%d does not correspond to any "
- "existing MTD device", mtdn);
- return sys_errmsg("cannot get information about MTD device %d",
- mtdn);
- }
-
- printf("mtd%d\n", mtd.mtd_num);
- printf("Name: %s\n", mtd.name);
- printf("Type: %s\n", mtd.type_str);
- printf("Eraseblock size: ");
- ubiutils_print_bytes(mtd.eb_size, 0);
- printf("\n");
- printf("Amount of eraseblocks: %d (", mtd.eb_cnt);
- ubiutils_print_bytes(mtd.size, 0);
- printf(")\n");
- printf("Minimum input/output unit size: %d %s\n",
- mtd.min_io_size, mtd.min_io_size > 1 ? "bytes" : "byte");
- if (mtd_info->sysfs_supported)
- printf("Sub-page size: %d %s\n",
- mtd.subpage_size,
- mtd.subpage_size > 1 ? "bytes" : "byte");
- else if (mtd.type == MTD_NANDFLASH)
- printf("Sub-page size: unknown\n");
-
- if (mtd.oob_size > 0)
- printf("OOB size: %d bytes\n",
- mtd.oob_size);
- if (mtd.region_cnt > 0)
- printf("Additional erase regions: %d\n", mtd.oob_size);
- if (mtd_info->sysfs_supported)
- printf("Character device major/minor: %d:%d\n",
- mtd.major, mtd.minor);
- printf("Bad blocks are allowed: %s\n",
- mtd.bb_allowed ? "true" : "false");
- printf("Device is writable: %s\n",
- mtd.writable ? "true" : "false");
-
- if (args.ubinfo)
- print_ubi_info(mtd_info, &mtd);
-
- print_region_info(&mtd);
-
- printf("\n");
- return 0;
-}
-
-static int print_general_info(libmtd_t libmtd, const struct mtd_info *mtd_info,
- int all)
-{
- int i, err, first = 1;
- struct mtd_dev_info mtd;
-
- printf("Count of MTD devices: %d\n", mtd_info->mtd_dev_cnt);
- if (mtd_info->mtd_dev_cnt == 0)
- return 0;
-
- for (i = mtd_info->lowest_mtd_num;
- i <= mtd_info->highest_mtd_num; i++) {
- err = mtd_get_dev_info1(libmtd, i, &mtd);
- if (err == -1) {
- if (errno == ENODEV)
- continue;
- return sys_errmsg("libmtd failed get MTD device %d "
- "information", i);
- }
-
- if (!first)
- printf(", mtd%d", i);
- else {
- printf("Present MTD devices: mtd%d", i);
- first = 0;
- }
- }
- printf("\n");
- printf("Sysfs interface supported: %s\n",
- mtd_info->sysfs_supported ? "yes" : "no");
-
- if (!all)
- return 0;
-
- first = 1;
- printf("\n");
-
- for (i = mtd_info->lowest_mtd_num;
- i <= mtd_info->highest_mtd_num; i++) {
- err = print_dev_info(libmtd, mtd_info, i);
- if (err)
- return err;
- }
-
- return 0;
-}
-
-int main(int argc, char * const argv[])
-{
- int err;
- libmtd_t libmtd;
- struct mtd_info mtd_info;
-
- err = parse_opt(argc, argv);
- if (err)
- return -1;
-
- libmtd = libmtd_open();
- if (libmtd == NULL) {
- if (errno == 0)
- return errmsg("MTD is not present in the system");
- return sys_errmsg("cannot open libmtd");
- }
-
- err = mtd_get_info(libmtd, &mtd_info);
- if (err) {
- if (errno == ENODEV)
- return errmsg("MTD is not present");
- return sys_errmsg("cannot get MTD information");
- }
-
- if (args.node) {
- /*
- * A character device was specified, translate this to MTD
- * device number.
- */
- err = translate_dev(libmtd, args.node);
- if (err)
- goto out_libmtd;
- }
-
- if (args.mtdn == -1)
- err = print_general_info(libmtd, &mtd_info, args.all);
- else
- err = print_dev_info(libmtd, &mtd_info, args.mtdn);
- if (err)
- goto out_libmtd;
-
- libmtd_close(libmtd);
- return 0;
-
-out_libmtd:
- libmtd_close(libmtd);
- return -1;
-}
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