2 * volume_id - reads partition label and uuid
4 * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #define VOLUME_ID_VERSION 44
26 #define VOLUME_ID_LABEL_SIZE 64
27 #define VOLUME_ID_UUID_SIZE 36
28 #define VOLUME_ID_FORMAT_SIZE 32
29 #define VOLUME_ID_PATH_MAX 256
30 #define VOLUME_ID_PARTITIONS_MAX 256
32 enum volume_id_usage {
37 VOLUME_ID_PARTITIONTABLE,
43 struct volume_id_partition {
44 enum volume_id_usage usage_id;
47 unsigned long long off;
48 unsigned long long len;
49 unsigned int partition_type_raw;
53 unsigned char label_raw[VOLUME_ID_LABEL_SIZE];
54 unsigned int label_raw_len;
55 char label[VOLUME_ID_LABEL_SIZE+1];
56 unsigned char uuid_raw[VOLUME_ID_UUID_SIZE];
57 unsigned int uuid_raw_len;
58 char uuid[VOLUME_ID_UUID_SIZE+1];
59 enum volume_id_usage usage_id;
62 char type_version[VOLUME_ID_FORMAT_SIZE];
64 struct volume_id_partition *partitions;
65 unsigned int partition_count;
69 unsigned int sbbuf_len;
70 unsigned char *seekbuf;
71 unsigned long long seekbuf_off;
72 unsigned int seekbuf_len;
76 extern struct volume_id *volume_id_open_fd(int fd);
77 extern struct volume_id *volume_id_open_node(const char *path);
78 extern struct volume_id *volume_id_open_dev_t(dev_t devt);
79 extern int volume_id_probe_all(struct volume_id *id, unsigned long long off, unsigned long long size);
80 extern void volume_id_close(struct volume_id *id);