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authorArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2009-03-17 10:14:54 +0200
committerArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2009-03-17 10:16:38 +0200
commit606f38a2221648ca5c5fa292c9f71d2ddd59fa66 (patch)
tree26d11905fda474261433c580c6fb58f4f4a85e59 /ubi-utils/src/ubimkvol.c
parenta2d010f8fca904fffa3c6e5a5d148cc96a37a08a (diff)
ubi-utils: re-arrange directory layout
Move new-utils to ubi-utils and old ones to ubi-utils/old-utils. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'ubi-utils/src/ubimkvol.c')
-rw-r--r--ubi-utils/src/ubimkvol.c313
1 files changed, 313 insertions, 0 deletions
diff --git a/ubi-utils/src/ubimkvol.c b/ubi-utils/src/ubimkvol.c
new file mode 100644
index 0000000..820c9d8
--- /dev/null
+++ b/ubi-utils/src/ubimkvol.c
@@ -0,0 +1,313 @@
+/*
+ * Copyright (c) International Business Machines Corp., 2006
+ *
+ * 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 create UBI volumes.
+ *
+ * Authors: Artem Bityutskiy <dedekind@infradead.org>
+ * Frank Haverkamp <haver@vnet.ibm.com>
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <getopt.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <libubi.h>
+#include "common.h"
+
+#define PROGRAM_VERSION "1.0"
+#define PROGRAM_NAME "ubimkvol"
+
+/* The variables below are set by command line arguments */
+struct args {
+ int vol_id;
+ int vol_type;
+ long long bytes;
+ int lebs;
+ int alignment;
+ const char *name;
+ const char *node;
+ int maxavs;
+ /* For deprecated -d option handling */
+ int devn;
+ char dev_name[256];
+};
+
+static struct args args = {
+ .vol_type = UBI_DYNAMIC_VOLUME,
+ .bytes = -1,
+ .lebs = -1,
+ .alignment = 1,
+ .vol_id = UBI_VOL_NUM_AUTO,
+ .devn = -1,
+};
+
+static const char *doc = PROGRAM_NAME " version " PROGRAM_VERSION
+ " - a tool to create UBI volumes.";
+
+static const char *optionsstr =
+"-a, --alignment=<alignment> volume alignment (default is 1)\n"
+"-n, --vol_id=<volume ID> UBI volume ID, if not specified, the volume ID\n"
+" will be assigned automatically\n"
+"-N, --name=<name> volume name\n"
+"-s, --size=<bytes> volume size volume size in bytes, kilobytes (KiB)\n"
+" or megabytes (MiB)\n"
+"-S, --lebs=<LEBs count> alternative way to give volume size in logical\n"
+" eraseblocks\n"
+"-m, --maxavsize set volume size to maximum available size\n"
+"-t, --type=<static|dynamic> volume type (dynamic, static), default is dynamic\n"
+"-h, -?, --help print help message\n"
+"-V, --version print program version\n\n"
+"The following is a compatibility option which is deprecated, do not use it\n"
+"-d, --devn=<devn> UBI device number - may be used instead of the UBI\n"
+" device node name in which case the utility assumes\n"
+" that the device node is \"/dev/ubi<devn>\"";
+
+
+static const char *usage =
+"Usage: " PROGRAM_NAME " <UBI device node file name> [-h] [-a <alignment>] [-n <volume ID>] [-N <name>]\n"
+"\t\t\t[-s <bytes>] [-S <LEBs>] [-t <static|dynamic>] [-V] [-m]\n"
+"\t\t\t[--alignment=<alignment>][--vol_id=<volume ID>] [--name=<name>]\n"
+"\t\t\t[--size=<bytes>] [--lebs=<LEBs>] [--type=<static|dynamic>] [--help]\n"
+"\t\t\t[--version] [--maxavsize]\n\n"
+"Example: " PROGRAM_NAME " /dev/ubi0 -s 20MiB -N config_data - create a 20 Megabytes volume\n"
+" named \"config_data\" on UBI device /dev/ubi0.";
+
+static const struct option long_options[] = {
+ { .name = "alignment", .has_arg = 1, .flag = NULL, .val = 'a' },
+ { .name = "vol_id", .has_arg = 1, .flag = NULL, .val = 'n' },
+ { .name = "name", .has_arg = 1, .flag = NULL, .val = 'N' },
+ { .name = "size", .has_arg = 1, .flag = NULL, .val = 's' },
+ { .name = "lebs", .has_arg = 1, .flag = NULL, .val = 'S' },
+ { .name = "type", .has_arg = 1, .flag = NULL, .val = 't' },
+ { .name = "help", .has_arg = 0, .flag = NULL, .val = 'h' },
+ { .name = "version", .has_arg = 0, .flag = NULL, .val = 'V' },
+ { .name = "maxavsize", .has_arg = 0, .flag = NULL, .val = 'm' },
+ /* Deprecated -d option */
+ { .name = "devn", .has_arg = 1, .flag = NULL, .val = 'd' },
+ { NULL, 0, NULL, 0},
+};
+
+static int param_sanity_check(void)
+{
+ int len;
+
+ if (args.bytes == -1 && !args.maxavs && args.lebs == -1)
+ return errmsg("volume size was not specified (use -h for help)");
+
+ if ((args.bytes != -1 && (args.maxavs || args.lebs != -1)) ||
+ (args.lebs != -1 && (args.maxavs || args.bytes != -1)) ||
+ (args.maxavs && (args.bytes != -1 || args.lebs != -1)))
+ return errmsg("size specified with more then one option");
+
+ if (args.name == NULL)
+ return errmsg("volume name was not specified (use -h for help)");
+
+ len = strlen(args.name);
+ if (len > UBI_MAX_VOLUME_NAME)
+ return errmsg("too long name (%d symbols), max is %d", len, UBI_MAX_VOLUME_NAME);
+
+ return 0;
+}
+
+static int parse_opt(int argc, char * const argv[])
+{
+ while (1) {
+ int key;
+ char *endp;
+
+ key = getopt_long(argc, argv, "a:n:N:s:S:t:h?Vmd:", long_options, NULL);
+ if (key == -1)
+ break;
+
+ switch (key) {
+ case 't':
+ if (!strcmp(optarg, "dynamic"))
+ args.vol_type = UBI_DYNAMIC_VOLUME;
+ else if (!strcmp(optarg, "static"))
+ args.vol_type = UBI_STATIC_VOLUME;
+ else
+ return errmsg("bad volume type: \"%s\"", optarg);
+ break;
+
+ case 's':
+ args.bytes = ubiutils_get_bytes(optarg);
+ if (args.bytes <= 0)
+ return errmsg("bad volume size: \"%s\"", optarg);
+ break;
+
+ case 'S':
+ args.lebs = strtoull(optarg, &endp, 0);
+ if (endp == optarg || args.lebs <= 0 || *endp != '\0')
+ return errmsg("bad LEB count: \"%s\"", optarg);
+ break;
+
+ case 'a':
+ args.alignment = strtoul(optarg, &endp, 0);
+ if (*endp != '\0' || endp == optarg || args.alignment <= 0)
+ return errmsg("bad volume alignment: \"%s\"", optarg);
+ break;
+
+ case 'n':
+ args.vol_id = strtoul(optarg, &endp, 0);
+ if (*endp != '\0' || endp == optarg || args.vol_id < 0)
+ return errmsg("bad volume ID: " "\"%s\"", optarg);
+ break;
+
+ case 'd':
+ /* Handle deprecated -d option */
+ warnmsg("-d is depricated and will be removed, do not use it");
+ args.devn = strtoul(optarg, &endp, 0);
+ if (*endp != '\0' || endp == optarg || args.devn < 0)
+ return errmsg("bad UBI device number: " "\"%s\"", optarg);
+ break;
+
+ case 'N':
+ args.name = optarg;
+ break;
+
+ case 'h':
+ case '?':
+ fprintf(stderr, "%s\n\n", doc);
+ fprintf(stderr, "%s\n\n", usage);
+ fprintf(stderr, "%s\n", optionsstr);
+ exit(EXIT_SUCCESS);
+
+ case 'V':
+ fprintf(stderr, "%s\n", PROGRAM_VERSION);
+ exit(EXIT_SUCCESS);
+
+ case 'm':
+ args.maxavs = 1;
+ break;
+
+ case ':':
+ return errmsg("parameter is missing");
+
+ default:
+ fprintf(stderr, "Use -h for help\n");
+ return -1;
+ }
+ }
+
+ /* Handle deprecated -d option */
+ if (args.devn != -1) {
+ sprintf(args.dev_name, "/dev/ubi%d", args.devn);
+ args.node = args.dev_name;
+ } else {
+ if (optind == argc)
+ return errmsg("UBI device name was not specified (use -h for help)");
+ else if (optind != argc - 1)
+ return errmsg("more then one UBI device specified (use -h for help)");
+
+ args.node = argv[optind];
+ }
+
+ if (param_sanity_check())
+ return -1;
+
+ return 0;
+}
+
+int main(int argc, char * const argv[])
+{
+ int err;
+ libubi_t libubi;
+ struct ubi_dev_info dev_info;
+ struct ubi_vol_info vol_info;
+ struct ubi_mkvol_request req;
+
+ err = parse_opt(argc, argv);
+ if (err)
+ return err;
+
+ libubi = libubi_open(1);
+ if (!libubi)
+ return sys_errmsg("cannot open libubi");
+
+ err = ubi_node_type(libubi, args.node);
+ if (err == 2) {
+ errmsg("\"%s\" is an UBI volume node, not an UBI device node",
+ args.node);
+ goto out_libubi;
+ } else if (err < 0) {
+ errmsg("\"%s\" is not an UBI device node", args.node);
+ goto out_libubi;
+ }
+
+ err = ubi_get_dev_info(libubi, args.node, &dev_info);
+ if (err) {
+ sys_errmsg("cannot get information about UBI device \"%s\"",
+ args.node);
+ goto out_libubi;
+ }
+
+ if (dev_info.avail_bytes == 0) {
+ errmsg("UBI device does not have free logical eraseblocks");
+ goto out_libubi;
+ }
+
+ if (args.maxavs) {
+ args.bytes = dev_info.avail_bytes;
+ printf("Set volume size to %lld\n", args.bytes);
+ }
+
+ if (args.lebs != -1) {
+ args.bytes = dev_info.leb_size;
+ args.bytes -= dev_info.leb_size % args.alignment;
+ args.bytes *= args.lebs;
+ }
+
+ req.vol_id = args.vol_id;
+ req.alignment = args.alignment;
+ req.bytes = args.bytes;
+ req.vol_type = args.vol_type;
+ req.name = args.name;
+
+ err = ubi_mkvol(libubi, args.node, &req);
+ if (err < 0) {
+ sys_errmsg("cannot UBI create volume");
+ goto out_libubi;
+ }
+
+ args.vol_id = req.vol_id;
+
+ /* Print information about the created device */
+ err = ubi_get_vol_info1(libubi, dev_info.dev_num, args.vol_id, &vol_info);
+ if (err) {
+ sys_errmsg("cannot get information about newly created UBI volume");
+ goto out_libubi;
+ }
+
+ printf("Volume ID %d, size %d LEBs (", vol_info.vol_id, vol_info.rsvd_lebs);
+ ubiutils_print_bytes(vol_info.rsvd_bytes, 0);
+ printf("), LEB size ");
+ ubiutils_print_bytes(vol_info.leb_size, 1);
+ printf(", %s, name \"%s\", alignment %d\n",
+ req.vol_type == UBI_DYNAMIC_VOLUME ? "dynamic" : "static",
+ vol_info.name, vol_info.alignment);
+
+ libubi_close(libubi);
+ return 0;
+
+out_libubi:
+ libubi_close(libubi);
+ return -1;
+}