2 * volume_id - reads filesystem 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
22 #include "volume_id.h"
24 PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
26 #define dbg(...) ((void)0)
27 /* #define dbg(...) bb_error_msg(__VA_ARGS__) */
31 #define VOLUME_ID_VERSION 48
33 #define VOLUME_ID_LABEL_SIZE 64
34 #define VOLUME_ID_UUID_SIZE 36
35 #define VOLUME_ID_FORMAT_SIZE 32
36 #define VOLUME_ID_PARTITIONS_MAX 256
38 enum volume_id_usage {
43 VOLUME_ID_PARTITIONTABLE,
49 #ifdef UNUSED_PARTITION_CODE
50 struct volume_id_partition {
54 // uint8_t pt_type_raw;
69 #ifdef UNUSED_PARTITION_CODE
70 struct volume_id_partition *partitions;
71 size_t partition_count;
73 // uint8_t label_raw[VOLUME_ID_LABEL_SIZE];
74 // size_t label_raw_len;
75 char label[VOLUME_ID_LABEL_SIZE+1];
76 // uint8_t uuid_raw[VOLUME_ID_UUID_SIZE];
77 // size_t uuid_raw_len;
78 /* uuid is stored in ASCII (not binary) form here: */
79 char uuid[VOLUME_ID_UUID_SIZE+1];
80 // char type_version[VOLUME_ID_FORMAT_SIZE];
83 #if ENABLE_FEATURE_BLKID_TYPE
88 struct volume_id* FAST_FUNC volume_id_open_node(int fd);
89 int FAST_FUNC volume_id_probe_all(struct volume_id *id, /*uint64_t off,*/ uint64_t size);
90 void FAST_FUNC free_volume_id(struct volume_id *id);
94 /* size of superblock buffer, reiserfs block is at 64k */
95 #define SB_BUFFER_SIZE 0x11000
96 /* size of seek buffer, FAT cluster is 32k max */
97 #define SEEK_BUFFER_SIZE 0x10000
100 # define le16_to_cpu(x) (uint16_t)(x)
101 # define le32_to_cpu(x) (uint32_t)(x)
102 # define le64_to_cpu(x) (uint64_t)(x)
103 # define be16_to_cpu(x) (uint16_t)(bswap_16(x))
104 # define be32_to_cpu(x) (uint32_t)(bswap_32(x))
105 # define cpu_to_le16(x) (uint16_t)(x)
106 # define cpu_to_le32(x) (uint32_t)(x)
107 # define cpu_to_be32(x) (uint32_t)(bswap_32(x))
109 # define le16_to_cpu(x) (uint16_t)(bswap_16(x))
110 # define le32_to_cpu(x) (uint32_t)(bswap_32(x))
111 # define le64_to_cpu(x) (uint64_t)(bb_bswap_64(x))
112 # define be16_to_cpu(x) (uint16_t)(x)
113 # define be32_to_cpu(x) (uint32_t)(x)
114 # define cpu_to_le16(x) (uint16_t)(bswap_16(x))
115 # define cpu_to_le32(x) (uint32_t)(bswap_32(x))
116 # define cpu_to_be32(x) (uint32_t)(x)
119 /* volume_id_set_uuid(id,buf,fmt) assumes size of uuid buf
120 * by shifting: 4 << fmt, except for fmt == UUID_DCE_STRING.
121 * The constants below should match sizes.
124 UUID_DOS = 0, /* 4 bytes */
125 UUID_NTFS = 1, /* 8 bytes */
126 UUID_DCE = 2, /* 16 bytes */
127 UUID_DCE_STRING = 3, /* 36 bytes (VOLUME_ID_UUID_SIZE) */
135 void volume_id_set_unicode16(char *str, size_t len, const uint8_t *buf, enum endian endianess, size_t count);
136 //void volume_id_set_usage(struct volume_id *id, enum volume_id_usage usage_id);
137 //void volume_id_set_usage_part(struct volume_id_partition *part, enum volume_id_usage usage_id);
138 //void volume_id_set_label_raw(struct volume_id *id, const uint8_t *buf, size_t count);
139 void volume_id_set_label_string(struct volume_id *id, const uint8_t *buf, size_t count);
140 void volume_id_set_label_unicode16(struct volume_id *id, const uint8_t *buf, enum endian endianess, size_t count);
141 void volume_id_set_uuid(struct volume_id *id, const uint8_t *buf, enum uuid_format format);
142 void *volume_id_get_buffer(struct volume_id *id, uint64_t off, size_t len);
143 void volume_id_free_buffer(struct volume_id *id);
150 //int FAST_FUNC volume_id_probe_highpoint_37x_raid(struct volume_id *id /*,uint64_t off*/);
151 //int FAST_FUNC volume_id_probe_highpoint_45x_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
153 //int FAST_FUNC volume_id_probe_intel_software_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
155 int FAST_FUNC volume_id_probe_linux_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
157 //int FAST_FUNC volume_id_probe_lsi_mega_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
159 //int FAST_FUNC volume_id_probe_nvidia_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
161 //int FAST_FUNC volume_id_probe_promise_fasttrack_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
163 //int FAST_FUNC volume_id_probe_silicon_medley_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
165 //int FAST_FUNC volume_id_probe_via_raid(struct volume_id *id /*,uint64_t off*/, uint64_t size);
167 //int FAST_FUNC volume_id_probe_lvm1(struct volume_id *id /*,uint64_t off*/);
168 //int FAST_FUNC volume_id_probe_lvm2(struct volume_id *id /*,uint64_t off*/);
172 int FAST_FUNC volume_id_probe_bcache(struct volume_id *id /*,uint64_t off*/);
174 int FAST_FUNC volume_id_probe_btrfs(struct volume_id *id /*,uint64_t off*/);
176 int FAST_FUNC volume_id_probe_cramfs(struct volume_id *id /*,uint64_t off*/);
178 int FAST_FUNC volume_id_probe_ext(struct volume_id *id /*,uint64_t off*/);
180 int FAST_FUNC volume_id_probe_vfat(struct volume_id *id /*,uint64_t off*/);
182 int FAST_FUNC volume_id_probe_hfs_hfsplus(struct volume_id *id /*,uint64_t off*/);
184 //int FAST_FUNC volume_id_probe_hpfs(struct volume_id *id /*,uint64_t off*/);
186 int FAST_FUNC volume_id_probe_iso9660(struct volume_id *id /*,uint64_t off*/);
188 int FAST_FUNC volume_id_probe_jfs(struct volume_id *id /*,uint64_t off*/);
190 int FAST_FUNC volume_id_probe_lfs(struct volume_id *id /*,uint64_t off*/);
192 int FAST_FUNC volume_id_probe_linux_swap(struct volume_id *id /*,uint64_t off*/);
194 int FAST_FUNC volume_id_probe_luks(struct volume_id *id /*,uint64_t off*/);
196 //int FAST_FUNC volume_id_probe_mac_partition_map(struct volume_id *id /*,uint64_t off*/);
198 int FAST_FUNC volume_id_probe_minix(struct volume_id *id /*, uint64_t off*/);
200 //int FAST_FUNC volume_id_probe_msdos_part_table(struct volume_id *id /*,uint64_t off*/);
202 int FAST_FUNC volume_id_probe_f2fs(struct volume_id *id /*,uint64_t off*/);
204 int FAST_FUNC volume_id_probe_nilfs(struct volume_id *id /*,uint64_t off*/);
206 int FAST_FUNC volume_id_probe_ntfs(struct volume_id *id /*,uint64_t off*/);
208 int FAST_FUNC volume_id_probe_exfat(struct volume_id *id /*,uint64_t off*/);
210 int FAST_FUNC volume_id_probe_ocfs2(struct volume_id *id /*,uint64_t off*/);
212 int FAST_FUNC volume_id_probe_reiserfs(struct volume_id *id /*,uint64_t off*/);
214 int FAST_FUNC volume_id_probe_romfs(struct volume_id *id /*,uint64_t off*/);
216 int FAST_FUNC volume_id_probe_squashfs(struct volume_id *id /*,uint64_t off*/);
218 int FAST_FUNC volume_id_probe_sysv(struct volume_id *id /*,uint64_t off*/);
220 int FAST_FUNC volume_id_probe_udf(struct volume_id *id /*,uint64_t off*/);
222 //int FAST_FUNC volume_id_probe_ufs(struct volume_id *id /*,uint64_t off*/);
224 int FAST_FUNC volume_id_probe_xfs(struct volume_id *id /*,uint64_t off*/);
226 int FAST_FUNC volume_id_probe_ubifs(struct volume_id *id /*,uint64_t off*/);
228 POP_SAVED_FUNCTION_VISIBILITY