2 * volume_id - reads volume label and uuid
4 * Copyright (C) 2005-2007 Kay Sievers <kay.sievers@vrfy.org>
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 2 of the License, or
9 * (at your option) any later version.
11 * This program 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
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #ifndef _LIBVOLUME_ID_PRIVATE_H_
21 #define _LIBVOLUME_ID_PRIVATE_H_
29 #include "libvolume_id.h"
31 #define ALLOWED_CHARS "#+-.:=@_"
34 #define PACKED __attribute__((packed))
37 #define err(format, arg...) volume_id_log_fn(LOG_ERR, __FILE__, __LINE__, format, ##arg)
38 #define info(format, arg...) volume_id_log_fn(LOG_INFO, __FILE__, __LINE__, format, ##arg)
40 #define dbg(format, arg...) volume_id_log_fn(LOG_DEBUG, __FILE__, __LINE__, format, ##arg)
42 #define dbg(format, arg...) do { } while (0)
45 #if (__BYTE_ORDER == __LITTLE_ENDIAN)
46 #define le16_to_cpu(x) (x)
47 #define le32_to_cpu(x) (x)
48 #define le64_to_cpu(x) (x)
49 #define be16_to_cpu(x) bswap_16(x)
50 #define be32_to_cpu(x) bswap_32(x)
51 #define cpu_to_le16(x) (x)
52 #define cpu_to_le32(x) (x)
53 #define cpu_to_be32(x) bswap_32(x)
54 #elif (__BYTE_ORDER == __BIG_ENDIAN)
55 #define le16_to_cpu(x) bswap_16(x)
56 #define le32_to_cpu(x) bswap_32(x)
57 #define le64_to_cpu(x) bswap_64(x)
58 #define be16_to_cpu(x) (x)
59 #define be32_to_cpu(x) (x)
60 #define cpu_to_le16(x) bswap_16(x)
61 #define cpu_to_le32(x) bswap_32(x)
62 #define cpu_to_be32(x) (x)
63 #endif /* __BYTE_ORDER */
80 #define VOLUME_ID_LABEL_SIZE 64
81 #define VOLUME_ID_UUID_SIZE 36
82 #define VOLUME_ID_FORMAT_SIZE 32
83 #define VOLUME_ID_PATH_MAX 256
84 #define VOLUME_ID_PARTITIONS_MAX 256
86 /* size of superblock buffer, reiserfs block is at 64k */
87 #define SB_BUFFER_SIZE 0x11000
88 /* size of seek buffer, FAT cluster is 32k max */
89 #define SEEK_BUFFER_SIZE 0x10000
91 enum volume_id_usage {
102 uint8_t label_raw[VOLUME_ID_LABEL_SIZE];
103 size_t label_raw_len;
104 char label[VOLUME_ID_LABEL_SIZE+1];
105 uint8_t uuid_raw[VOLUME_ID_UUID_SIZE];
107 char uuid[VOLUME_ID_UUID_SIZE+1];
108 enum volume_id_usage usage_id;
111 char type_version[VOLUME_ID_FORMAT_SIZE];
117 uint64_t seekbuf_off;
122 extern int volume_id_utf8_encoded_valid_unichar(const char *str);
123 extern size_t volume_id_set_unicode16(uint8_t *str, size_t len, const uint8_t *buf, enum endian endianess, size_t count);
124 extern void volume_id_set_usage(struct volume_id *id, enum volume_id_usage usage_id);
125 extern void volume_id_set_label_raw(struct volume_id *id, const uint8_t *buf, size_t count);
126 extern void volume_id_set_label_string(struct volume_id *id, const uint8_t *buf, size_t count);
127 extern void volume_id_set_label_unicode16(struct volume_id *id, const uint8_t *buf, enum endian endianess, size_t count);
128 extern void volume_id_set_uuid(struct volume_id *id, const uint8_t *buf, size_t len, enum uuid_format format);
129 extern uint8_t *volume_id_get_buffer(struct volume_id *id, uint64_t off, size_t len);
130 extern void volume_id_free_buffer(struct volume_id *id);
133 extern int volume_id_probe_cramfs(struct volume_id *id, uint64_t off, uint64_t size);
134 extern int volume_id_probe_ext(struct volume_id *id, uint64_t off, uint64_t size);
135 extern int volume_id_probe_vfat(struct volume_id *id, uint64_t off, uint64_t size);
136 extern int volume_id_probe_hfs_hfsplus(struct volume_id *id, uint64_t off, uint64_t size);
137 extern int volume_id_probe_hpfs(struct volume_id *id, uint64_t off, uint64_t size);
138 extern int volume_id_probe_iso9660(struct volume_id *id, uint64_t off, uint64_t size);
139 extern int volume_id_probe_jfs(struct volume_id *id, uint64_t off, uint64_t size);
140 extern int volume_id_probe_minix(struct volume_id *id, uint64_t off, uint64_t size);
141 extern int volume_id_probe_ntfs(struct volume_id *id, uint64_t off, uint64_t size);
142 extern int volume_id_probe_ocfs1(struct volume_id *id, uint64_t off, uint64_t size);
143 extern int volume_id_probe_ocfs2(struct volume_id *id, uint64_t off, uint64_t size);
144 extern int volume_id_probe_reiserfs(struct volume_id *id, uint64_t off, uint64_t size);
145 extern int volume_id_probe_romfs(struct volume_id *id, uint64_t off, uint64_t size);
146 extern int volume_id_probe_sysv(struct volume_id *id, uint64_t off, uint64_t size);
147 extern int volume_id_probe_udf(struct volume_id *id, uint64_t off, uint64_t size);
148 extern int volume_id_probe_ufs(struct volume_id *id, uint64_t off, uint64_t size);
149 extern int volume_id_probe_vxfs(struct volume_id *id, uint64_t off, uint64_t size);
150 extern int volume_id_probe_xfs(struct volume_id *id, uint64_t off, uint64_t size);
151 extern int volume_id_probe_squashfs(struct volume_id *id, uint64_t off, uint64_t size);
152 extern int volume_id_probe_netware(struct volume_id *id, uint64_t off, uint64_t size);
153 extern int volume_id_probe_gfs(struct volume_id *id, uint64_t off, uint64_t size);
154 extern int volume_id_probe_gfs2(struct volume_id *id, uint64_t off, uint64_t size);
156 /* special formats */
157 extern int volume_id_probe_linux_swap(struct volume_id *id, uint64_t off, uint64_t size);
158 extern int volume_id_probe_luks(struct volume_id *id, uint64_t off, uint64_t size);
161 extern int volume_id_probe_linux_raid(struct volume_id *id, uint64_t off, uint64_t size);
162 extern int volume_id_probe_lvm1(struct volume_id *id, uint64_t off, uint64_t size);
163 extern int volume_id_probe_lvm2(struct volume_id *id, uint64_t off, uint64_t size);
164 extern int volume_id_probe_ddf_raid(struct volume_id *id, uint64_t off, uint64_t size);
165 extern int volume_id_probe_oracleasm(struct volume_id *id, uint64_t off, uint64_t size);
168 extern int volume_id_probe_intel_software_raid(struct volume_id *id, uint64_t off, uint64_t size);
169 extern int volume_id_probe_highpoint_37x_raid(struct volume_id *id, uint64_t off, uint64_t size);
170 extern int volume_id_probe_highpoint_45x_raid(struct volume_id *id, uint64_t off, uint64_t size);
171 extern int volume_id_probe_lsi_mega_raid(struct volume_id *id, uint64_t off, uint64_t size);
172 extern int volume_id_probe_nvidia_raid(struct volume_id *id, uint64_t off, uint64_t size);
173 extern int volume_id_probe_promise_fasttrack_raid(struct volume_id *id, uint64_t off, uint64_t size);
174 extern int volume_id_probe_silicon_medley_raid(struct volume_id *id, uint64_t off, uint64_t size);
175 extern int volume_id_probe_via_raid(struct volume_id *id, uint64_t off, uint64_t size);
176 extern int volume_id_probe_adaptec_raid(struct volume_id *id, uint64_t off, uint64_t size);
177 extern int volume_id_probe_jmicron_raid(struct volume_id *id, uint64_t off, uint64_t size);