libvolume_id.h revision b5e694267142042228a6cac99ecad6c4b4ef8759
/*
* volume_id - reads volume label and uuid
*
* Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
*
* 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 version 2 of the License.
*/
#ifndef _LIBVOLUME_ID_H_
#define _LIBVOLUME_ID_H_
#include <stdint.h>
#include <stddef.h>
#ifndef PACKED
#define PACKED __attribute__((packed))
#endif
typedef void (*volume_id_log_fn)(int priority, const char *file, int line, const char *format, ...)
__attribute__ ((format(printf, 4, 5)));
extern volume_id_log_fn volume_id_log;
#define VOLUME_ID_LABEL_SIZE 64
#define VOLUME_ID_UUID_SIZE 36
#define VOLUME_ID_FORMAT_SIZE 32
#define VOLUME_ID_PATH_MAX 256
#define VOLUME_ID_PARTITIONS_MAX 256
enum volume_id_usage {
VOLUME_ID_UNUSED,
VOLUME_ID_UNPROBED,
VOLUME_ID_OTHER,
VOLUME_ID_FILESYSTEM,
VOLUME_ID_RAID,
VOLUME_ID_DISKLABEL,
VOLUME_ID_CRYPTO,
};
struct volume_id {
uint8_t label_raw[VOLUME_ID_LABEL_SIZE];
size_t label_raw_len;
char label[VOLUME_ID_LABEL_SIZE+1];
uint8_t uuid_raw[VOLUME_ID_UUID_SIZE];
size_t uuid_raw_len;
char uuid[VOLUME_ID_UUID_SIZE+1];
enum volume_id_usage usage_id;
char *usage;
char *type;
char type_version[VOLUME_ID_FORMAT_SIZE];
int fd;
uint8_t *sbbuf;
size_t sbbuf_len;
uint8_t *seekbuf;
uint64_t seekbuf_off;
size_t seekbuf_len;
int fd_close:1;
};
extern struct volume_id *volume_id_open_fd(int fd);
extern struct volume_id *volume_id_open_node(const char *path);
extern int volume_id_probe_all(struct volume_id *id, uint64_t off, uint64_t size);
extern int volume_id_probe_filesystem(struct volume_id *id, uint64_t off, uint64_t size);
extern int volume_id_probe_raid(struct volume_id *id, uint64_t off, uint64_t size);
extern void volume_id_close(struct volume_id *id);
/* filesystems */
extern int volume_id_probe_cramfs(struct volume_id *id, uint64_t off);
extern int volume_id_probe_ext(struct volume_id *id, uint64_t off);
extern int volume_id_probe_vfat(struct volume_id *id, uint64_t off);
extern int volume_id_probe_hfs_hfsplus(struct volume_id *id, uint64_t off);
extern int volume_id_probe_hpfs(struct volume_id *id, uint64_t off);
extern int volume_id_probe_iso9660(struct volume_id *id, uint64_t off);
extern int volume_id_probe_jfs(struct volume_id *id, uint64_t off);
extern int volume_id_probe_minix(struct volume_id *id, uint64_t off);
extern int volume_id_probe_ntfs(struct volume_id *id, uint64_t off);
extern int volume_id_probe_ocfs1(struct volume_id *id, uint64_t off);
extern int volume_id_probe_ocfs2(struct volume_id *id, uint64_t off);
extern int volume_id_probe_reiserfs(struct volume_id *id, uint64_t off);
extern int volume_id_probe_romfs(struct volume_id *id, uint64_t off);
extern int volume_id_probe_sysv(struct volume_id *id, uint64_t off);
extern int volume_id_probe_udf(struct volume_id *id, uint64_t off);
extern int volume_id_probe_ufs(struct volume_id *id, uint64_t off);
extern int volume_id_probe_vxfs(struct volume_id *id, uint64_t off);
extern int volume_id_probe_xfs(struct volume_id *id, uint64_t off);
extern int volume_id_probe_squashfs(struct volume_id *id, uint64_t off);
/* special formats */
extern int volume_id_probe_linux_swap(struct volume_id *id, uint64_t off);
extern int volume_id_probe_luks(struct volume_id *id, uint64_t off);
/* raid */
extern int volume_id_probe_linux_raid(struct volume_id *id, uint64_t off, uint64_t size);
extern int volume_id_probe_lvm1(struct volume_id *id, uint64_t off);
extern int volume_id_probe_lvm2(struct volume_id *id, uint64_t off);
/* bios raid */
extern int volume_id_probe_intel_software_raid(struct volume_id *id, uint64_t off, uint64_t size);
extern int volume_id_probe_highpoint_37x_raid(struct volume_id *id, uint64_t off);
extern int volume_id_probe_highpoint_45x_raid(struct volume_id *id, uint64_t off, uint64_t size);
extern int volume_id_probe_lsi_mega_raid(struct volume_id *id, uint64_t off, uint64_t size);
extern int volume_id_probe_nvidia_raid(struct volume_id *id, uint64_t off, uint64_t size);
extern int volume_id_probe_promise_fasttrack_raid(struct volume_id *id, uint64_t off, uint64_t size);
extern int volume_id_probe_silicon_medley_raid(struct volume_id *id, uint64_t off, uint64_t size);
extern int volume_id_probe_via_raid(struct volume_id *id, uint64_t off, uint64_t size);
#endif