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_
30 #include "libvolume_id.h"
32 #define ALLOWED_CHARS "#+-.:=@_"
35 #define PACKED __attribute__((packed))
38 static inline void __attribute__ ((format(printf, 1, 2)))
39 log_null(const char *format, ...) {}
41 #define err(format, arg...) volume_id_log_fn(LOG_ERR, __FILE__, __LINE__, format, ##arg)
42 #define info(format, arg...) volume_id_log_fn(LOG_INFO, __FILE__, __LINE__, format, ##arg)
44 #define dbg(format, arg...) volume_id_log_fn(LOG_DEBUG, __FILE__, __LINE__, format, ##arg)
46 #define dbg(format, arg...) log_null(format, ##arg)
49 #if (__BYTE_ORDER == __LITTLE_ENDIAN)
50 #define le16_to_cpu(x) (x)
51 #define le32_to_cpu(x) (x)
52 #define le64_to_cpu(x) (x)
53 #define be16_to_cpu(x) bswap_16(x)
54 #define be32_to_cpu(x) bswap_32(x)
55 #define cpu_to_le16(x) (x)
56 #define cpu_to_le32(x) (x)
57 #define cpu_to_be32(x) bswap_32(x)
58 #elif (__BYTE_ORDER == __BIG_ENDIAN)
59 #define le16_to_cpu(x) bswap_16(x)
60 #define le32_to_cpu(x) bswap_32(x)
61 #define le64_to_cpu(x) bswap_64(x)
62 #define be16_to_cpu(x) (x)
63 #define be32_to_cpu(x) (x)
64 #define cpu_to_le16(x) bswap_16(x)
65 #define cpu_to_le32(x) bswap_32(x)
66 #define cpu_to_be32(x) (x)
67 #endif /* __BYTE_ORDER */
84 #define VOLUME_ID_LABEL_SIZE 64
85 #define VOLUME_ID_UUID_SIZE 36
86 #define VOLUME_ID_FORMAT_SIZE 32
87 #define VOLUME_ID_PATH_MAX 256
88 #define VOLUME_ID_PARTITIONS_MAX 256
90 /* size of superblock buffer, reiserfs block is at 64k */
91 #define SB_BUFFER_SIZE 0x11000
92 /* size of seek buffer, FAT cluster is 32k max */
93 #define SEEK_BUFFER_SIZE 0x10000
95 enum volume_id_usage {
106 uint8_t label_raw[VOLUME_ID_LABEL_SIZE];
107 size_t label_raw_len;
108 char label[VOLUME_ID_LABEL_SIZE+1];
109 uint8_t uuid_raw[VOLUME_ID_UUID_SIZE];
111 char uuid[VOLUME_ID_UUID_SIZE+1];
112 enum volume_id_usage usage_id;
115 char type_version[VOLUME_ID_FORMAT_SIZE];
121 uint64_t seekbuf_off;
123 int force_unique_result;
127 extern int volume_id_utf8_encoded_valid_unichar(const char *str);
128 extern size_t volume_id_set_unicode16(uint8_t *str, size_t len, const uint8_t *buf, enum endian endianess, size_t count);
129 extern void volume_id_set_usage(struct volume_id *id, enum volume_id_usage usage_id);
130 extern void volume_id_set_label_raw(struct volume_id *id, const uint8_t *buf, size_t count);
131 extern void volume_id_set_label_string(struct volume_id *id, const uint8_t *buf, size_t count);
132 extern void volume_id_set_label_unicode16(struct volume_id *id, const uint8_t *buf, enum endian endianess, size_t count);
133 extern void volume_id_set_uuid(struct volume_id *id, const uint8_t *buf, size_t len, enum uuid_format format);
134 extern uint8_t *volume_id_get_buffer(struct volume_id *id, uint64_t off, size_t len);
135 extern void volume_id_free_buffer(struct volume_id *id);
138 extern int volume_id_probe_cramfs(struct volume_id *id, uint64_t off, uint64_t size);
139 extern int volume_id_probe_ext(struct volume_id *id, uint64_t off, uint64_t size);
140 extern int volume_id_probe_vfat(struct volume_id *id, uint64_t off, uint64_t size);
141 extern int volume_id_probe_hfs_hfsplus(struct volume_id *id, uint64_t off, uint64_t size);
142 extern int volume_id_probe_hpfs(struct volume_id *id, uint64_t off, uint64_t size);
143 extern int volume_id_probe_iso9660(struct volume_id *id, uint64_t off, uint64_t size);
144 extern int volume_id_probe_jfs(struct volume_id *id, uint64_t off, uint64_t size);
145 extern int volume_id_probe_minix(struct volume_id *id, uint64_t off, uint64_t size);
146 extern int volume_id_probe_ntfs(struct volume_id *id, uint64_t off, uint64_t size);
147 extern int volume_id_probe_ocfs1(struct volume_id *id, uint64_t off, uint64_t size);
148 extern int volume_id_probe_ocfs2(struct volume_id *id, uint64_t off, uint64_t size);
149 extern int volume_id_probe_reiserfs(struct volume_id *id, uint64_t off, uint64_t size);
150 extern int volume_id_probe_romfs(struct volume_id *id, uint64_t off, uint64_t size);
151 extern int volume_id_probe_sysv(struct volume_id *id, uint64_t off, uint64_t size);
152 extern int volume_id_probe_udf(struct volume_id *id, uint64_t off, uint64_t size);
153 extern int volume_id_probe_ufs(struct volume_id *id, uint64_t off, uint64_t size);
154 extern int volume_id_probe_vxfs(struct volume_id *id, uint64_t off, uint64_t size);
155 extern int volume_id_probe_xfs(struct volume_id *id, uint64_t off, uint64_t size);
156 extern int volume_id_probe_squashfs(struct volume_id *id, uint64_t off, uint64_t size);
157 extern int volume_id_probe_netware(struct volume_id *id, uint64_t off, uint64_t size);
158 extern int volume_id_probe_gfs(struct volume_id *id, uint64_t off, uint64_t size);
159 extern int volume_id_probe_gfs2(struct volume_id *id, uint64_t off, uint64_t size);
160 extern int volume_id_probe_btrfs(struct volume_id *id, uint64_t off, uint64_t size);
162 /* special formats */
163 extern int volume_id_probe_linux_swap(struct volume_id *id, uint64_t off, uint64_t size);
164 extern int volume_id_probe_luks(struct volume_id *id, uint64_t off, uint64_t size);
167 extern int volume_id_probe_linux_raid(struct volume_id *id, uint64_t off, uint64_t size);
168 extern int volume_id_probe_lvm1(struct volume_id *id, uint64_t off, uint64_t size);
169 extern int volume_id_probe_lvm2(struct volume_id *id, uint64_t off, uint64_t size);
170 extern int volume_id_probe_ddf_raid(struct volume_id *id, uint64_t off, uint64_t size);
171 extern int volume_id_probe_oracleasm(struct volume_id *id, uint64_t off, uint64_t size);
174 extern int volume_id_probe_intel_software_raid(struct volume_id *id, uint64_t off, uint64_t size);
175 extern int volume_id_probe_highpoint_37x_raid(struct volume_id *id, uint64_t off, uint64_t size);
176 extern int volume_id_probe_highpoint_45x_raid(struct volume_id *id, uint64_t off, uint64_t size);
177 extern int volume_id_probe_lsi_mega_raid(struct volume_id *id, uint64_t off, uint64_t size);
178 extern int volume_id_probe_nvidia_raid(struct volume_id *id, uint64_t off, uint64_t size);
179 extern int volume_id_probe_promise_fasttrack_raid(struct volume_id *id, uint64_t off, uint64_t size);
180 extern int volume_id_probe_silicon_medley_raid(struct volume_id *id, uint64_t off, uint64_t size);
181 extern int volume_id_probe_via_raid(struct volume_id *id, uint64_t off, uint64_t size);
182 extern int volume_id_probe_adaptec_raid(struct volume_id *id, uint64_t off, uint64_t size);
183 extern int volume_id_probe_jmicron_raid(struct volume_id *id, uint64_t off, uint64_t size);