mirror of
https://gitlab.com/drummyfish/anarch.git
synced 2024-11-30 20:52:25 -05:00
462 lines
15 KiB
C
462 lines
15 KiB
C
/*
|
|
* blkid.h - Interface for libblkid, a library to identify block devices
|
|
*
|
|
* Copyright (C) 2001 Andreas Dilger
|
|
* Copyright (C) 2003 Theodore Ts'o
|
|
* Copyright (C) 2008 Karel Zak <kzak@redhat.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef _BLKID_BLKID_H
|
|
#define _BLKID_BLKID_H
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define BLKID_VERSION "2.31.1"
|
|
#define BLKID_DATE "19-Dec-2017"
|
|
|
|
/**
|
|
* blkid_dev:
|
|
*
|
|
* The device object keeps information about one device
|
|
*/
|
|
typedef struct blkid_struct_dev *blkid_dev;
|
|
|
|
/**
|
|
* blkid_cache:
|
|
*
|
|
* information about all system devices
|
|
*/
|
|
typedef struct blkid_struct_cache *blkid_cache;
|
|
|
|
/**
|
|
* blkid_probe:
|
|
*
|
|
* low-level probing setting
|
|
*/
|
|
typedef struct blkid_struct_probe *blkid_probe;
|
|
|
|
/**
|
|
* blkid_topology:
|
|
*
|
|
* device topology information
|
|
*/
|
|
typedef struct blkid_struct_topology *blkid_topology;
|
|
|
|
/**
|
|
* blkid_partlist
|
|
*
|
|
* list of all detected partitions and partitions tables
|
|
*/
|
|
typedef struct blkid_struct_partlist *blkid_partlist;
|
|
|
|
/**
|
|
* blkid_partition:
|
|
*
|
|
* information about a partition
|
|
*/
|
|
typedef struct blkid_struct_partition *blkid_partition;
|
|
|
|
/**
|
|
* blkid_parttable:
|
|
*
|
|
* information about a partition table
|
|
*/
|
|
typedef struct blkid_struct_parttable *blkid_parttable;
|
|
|
|
/**
|
|
* blkid_loff_t:
|
|
*
|
|
* 64-bit signed number for offsets and sizes
|
|
*/
|
|
typedef int64_t blkid_loff_t;
|
|
|
|
/**
|
|
* blkid_tag_iterate:
|
|
*
|
|
* tags iterator for high-level (blkid_cache) API
|
|
*/
|
|
typedef struct blkid_struct_tag_iterate *blkid_tag_iterate;
|
|
|
|
/**
|
|
* blkid_dev_iterate:
|
|
*
|
|
* devices iterator for high-level (blkid_cache) API
|
|
*/
|
|
typedef struct blkid_struct_dev_iterate *blkid_dev_iterate;
|
|
|
|
/*
|
|
* Flags for blkid_get_dev
|
|
*
|
|
* BLKID_DEV_CREATE Create an empty device structure if not found
|
|
* in the cache.
|
|
* BLKID_DEV_VERIFY Make sure the device structure corresponds
|
|
* with reality.
|
|
* BLKID_DEV_FIND Just look up a device entry, and return NULL
|
|
* if it is not found.
|
|
* BLKID_DEV_NORMAL Get a valid device structure, either from the
|
|
* cache or by probing the device.
|
|
*/
|
|
#define BLKID_DEV_FIND 0x0000
|
|
#define BLKID_DEV_CREATE 0x0001
|
|
#define BLKID_DEV_VERIFY 0x0002
|
|
#define BLKID_DEV_NORMAL (BLKID_DEV_CREATE | BLKID_DEV_VERIFY)
|
|
|
|
|
|
#ifndef __GNUC_PREREQ
|
|
# if defined __GNUC__ && defined __GNUC_MINOR__
|
|
# define __GNUC_PREREQ(maj, min) ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
|
|
# else
|
|
# define __GNUC_PREREQ(maj, min) 0
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef __ul_attribute__
|
|
# if __GNUC_PREREQ (3, 4)
|
|
# define __ul_attribute__(_a_) __attribute__(_a_)
|
|
# else
|
|
# define __ul_attribute__(_a_)
|
|
# endif
|
|
#endif
|
|
|
|
/* cache.c */
|
|
extern void blkid_init_debug(int mask);
|
|
extern void blkid_put_cache(blkid_cache cache);
|
|
extern int blkid_get_cache(blkid_cache *cache, const char *filename);
|
|
extern void blkid_gc_cache(blkid_cache cache);
|
|
|
|
/* dev.c */
|
|
extern const char *blkid_dev_devname(blkid_dev dev)
|
|
__ul_attribute__((warn_unused_result));
|
|
|
|
extern blkid_dev_iterate blkid_dev_iterate_begin(blkid_cache cache);
|
|
extern int blkid_dev_set_search(blkid_dev_iterate iter,
|
|
char *search_type, char *search_value);
|
|
extern int blkid_dev_next(blkid_dev_iterate iterate, blkid_dev *dev);
|
|
extern void blkid_dev_iterate_end(blkid_dev_iterate iterate);
|
|
|
|
/* devno.c */
|
|
extern char *blkid_devno_to_devname(dev_t devno)
|
|
__ul_attribute__((warn_unused_result));
|
|
extern int blkid_devno_to_wholedisk(dev_t dev, char *diskname,
|
|
size_t len, dev_t *diskdevno)
|
|
__ul_attribute__((warn_unused_result));
|
|
|
|
/* devname.c */
|
|
extern int blkid_probe_all(blkid_cache cache);
|
|
extern int blkid_probe_all_new(blkid_cache cache);
|
|
extern int blkid_probe_all_removable(blkid_cache cache);
|
|
|
|
extern blkid_dev blkid_get_dev(blkid_cache cache, const char *devname, int flags);
|
|
|
|
/* getsize.c */
|
|
extern blkid_loff_t blkid_get_dev_size(int fd);
|
|
|
|
/* verify.c */
|
|
extern blkid_dev blkid_verify(blkid_cache cache, blkid_dev dev);
|
|
|
|
/* read.c */
|
|
|
|
/* resolve.c */
|
|
extern char *blkid_get_tag_value(blkid_cache cache, const char *tagname,
|
|
const char *devname)
|
|
__ul_attribute__((warn_unused_result));
|
|
extern char *blkid_get_devname(blkid_cache cache, const char *token,
|
|
const char *value)
|
|
__ul_attribute__((warn_unused_result));
|
|
|
|
/* tag.c */
|
|
extern blkid_tag_iterate blkid_tag_iterate_begin(blkid_dev dev);
|
|
extern int blkid_tag_next(blkid_tag_iterate iterate,
|
|
const char **type, const char **value);
|
|
extern void blkid_tag_iterate_end(blkid_tag_iterate iterate);
|
|
extern int blkid_dev_has_tag(blkid_dev dev, const char *type, const char *value);
|
|
|
|
extern blkid_dev blkid_find_dev_with_tag(blkid_cache cache,
|
|
const char *type,
|
|
const char *value);
|
|
|
|
extern int blkid_parse_tag_string(const char *token, char **ret_type, char **ret_val);
|
|
|
|
/* version.c */
|
|
extern int blkid_parse_version_string(const char *ver_string)
|
|
__ul_attribute__((nonnull));
|
|
extern int blkid_get_library_version(const char **ver_string,
|
|
const char **date_string);
|
|
|
|
/* encode.c */
|
|
extern int blkid_encode_string(const char *str, char *str_enc, size_t len);
|
|
extern int blkid_safe_string(const char *str, char *str_safe, size_t len);
|
|
|
|
/* evaluate.c */
|
|
extern int blkid_send_uevent(const char *devname, const char *action);
|
|
extern char *blkid_evaluate_tag(const char *token, const char *value,
|
|
blkid_cache *cache)
|
|
__ul_attribute__((warn_unused_result));
|
|
extern char *blkid_evaluate_spec(const char *spec, blkid_cache *cache)
|
|
__ul_attribute__((warn_unused_result));
|
|
|
|
/* probe.c */
|
|
extern blkid_probe blkid_new_probe(void)
|
|
__ul_attribute__((warn_unused_result));
|
|
extern blkid_probe blkid_new_probe_from_filename(const char *filename)
|
|
__ul_attribute__((warn_unused_result))
|
|
__ul_attribute__((nonnull));
|
|
extern void blkid_free_probe(blkid_probe pr);
|
|
|
|
extern void blkid_reset_probe(blkid_probe pr);
|
|
extern int blkid_probe_reset_buffers(blkid_probe pr);
|
|
extern int blkid_probe_hide_range(blkid_probe pr, uint64_t off, uint64_t len);
|
|
|
|
extern int blkid_probe_set_device(blkid_probe pr, int fd,
|
|
blkid_loff_t off, blkid_loff_t size)
|
|
__ul_attribute__((nonnull));
|
|
|
|
extern dev_t blkid_probe_get_devno(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
|
|
extern dev_t blkid_probe_get_wholedisk_devno(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
|
|
extern int blkid_probe_is_wholedisk(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
|
|
extern blkid_loff_t blkid_probe_get_size(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
extern blkid_loff_t blkid_probe_get_offset(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
extern unsigned int blkid_probe_get_sectorsize(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
extern int blkid_probe_set_sectorsize(blkid_probe pr, unsigned int sz)
|
|
__ul_attribute__((nonnull));
|
|
extern blkid_loff_t blkid_probe_get_sectors(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
|
|
extern int blkid_probe_get_fd(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
|
|
/*
|
|
* superblocks probing
|
|
*/
|
|
extern int blkid_known_fstype(const char *fstype)
|
|
__ul_attribute__((nonnull));
|
|
|
|
extern int blkid_superblocks_get_name(size_t idx, const char **name, int *usage);
|
|
|
|
extern int blkid_probe_enable_superblocks(blkid_probe pr, int enable)
|
|
__ul_attribute__((nonnull));
|
|
|
|
#define BLKID_SUBLKS_LABEL (1 << 1) /* read LABEL from superblock */
|
|
#define BLKID_SUBLKS_LABELRAW (1 << 2) /* read and define LABEL_RAW result value*/
|
|
#define BLKID_SUBLKS_UUID (1 << 3) /* read UUID from superblock */
|
|
#define BLKID_SUBLKS_UUIDRAW (1 << 4) /* read and define UUID_RAW result value */
|
|
#define BLKID_SUBLKS_TYPE (1 << 5) /* define TYPE result value */
|
|
#define BLKID_SUBLKS_SECTYPE (1 << 6) /* define compatible fs type (second type) */
|
|
#define BLKID_SUBLKS_USAGE (1 << 7) /* define USAGE result value */
|
|
#define BLKID_SUBLKS_VERSION (1 << 8) /* read FS type from superblock */
|
|
#define BLKID_SUBLKS_MAGIC (1 << 9) /* define SBMAGIC and SBMAGIC_OFFSET */
|
|
#define BLKID_SUBLKS_BADCSUM (1 << 10) /* allow a bad checksum */
|
|
|
|
#define BLKID_SUBLKS_DEFAULT (BLKID_SUBLKS_LABEL | BLKID_SUBLKS_UUID | \
|
|
BLKID_SUBLKS_TYPE | BLKID_SUBLKS_SECTYPE)
|
|
|
|
extern int blkid_probe_set_superblocks_flags(blkid_probe pr, int flags)
|
|
__ul_attribute__((nonnull));
|
|
extern int blkid_probe_reset_superblocks_filter(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
extern int blkid_probe_invert_superblocks_filter(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
|
|
/**
|
|
* BLKID_FLTR_NOTIN
|
|
*/
|
|
#define BLKID_FLTR_NOTIN 1
|
|
/**
|
|
* BLKID_FLTR_ONLYIN
|
|
*/
|
|
#define BLKID_FLTR_ONLYIN 2
|
|
extern int blkid_probe_filter_superblocks_type(blkid_probe pr, int flag, char *names[])
|
|
__ul_attribute__((nonnull));
|
|
|
|
#define BLKID_USAGE_FILESYSTEM (1 << 1)
|
|
#define BLKID_USAGE_RAID (1 << 2)
|
|
#define BLKID_USAGE_CRYPTO (1 << 3)
|
|
#define BLKID_USAGE_OTHER (1 << 4)
|
|
extern int blkid_probe_filter_superblocks_usage(blkid_probe pr, int flag, int usage)
|
|
__ul_attribute__((nonnull));
|
|
|
|
/*
|
|
* topology probing
|
|
*/
|
|
extern int blkid_probe_enable_topology(blkid_probe pr, int enable)
|
|
__ul_attribute__((nonnull));
|
|
|
|
/* binary interface */
|
|
extern blkid_topology blkid_probe_get_topology(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
|
|
extern unsigned long blkid_topology_get_alignment_offset(blkid_topology tp)
|
|
__ul_attribute__((nonnull));
|
|
extern unsigned long blkid_topology_get_minimum_io_size(blkid_topology tp)
|
|
__ul_attribute__((nonnull));
|
|
extern unsigned long blkid_topology_get_optimal_io_size(blkid_topology tp)
|
|
__ul_attribute__((nonnull));
|
|
extern unsigned long blkid_topology_get_logical_sector_size(blkid_topology tp)
|
|
__ul_attribute__((nonnull));
|
|
extern unsigned long blkid_topology_get_physical_sector_size(blkid_topology tp)
|
|
__ul_attribute__((nonnull));
|
|
|
|
/*
|
|
* partitions probing
|
|
*/
|
|
extern int blkid_known_pttype(const char *pttype);
|
|
extern int blkid_partitions_get_name(const size_t idx, const char **name);
|
|
|
|
extern int blkid_probe_enable_partitions(blkid_probe pr, int enable)
|
|
__ul_attribute__((nonnull));
|
|
|
|
extern int blkid_probe_reset_partitions_filter(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
extern int blkid_probe_invert_partitions_filter(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
extern int blkid_probe_filter_partitions_type(blkid_probe pr, int flag, char *names[])
|
|
__ul_attribute__((nonnull));
|
|
|
|
/* partitions probing flags */
|
|
#define BLKID_PARTS_FORCE_GPT (1 << 1)
|
|
#define BLKID_PARTS_ENTRY_DETAILS (1 << 2)
|
|
#define BLKID_PARTS_MAGIC (1 << 3)
|
|
extern int blkid_probe_set_partitions_flags(blkid_probe pr, int flags)
|
|
__ul_attribute__((nonnull));
|
|
|
|
/* binary interface */
|
|
extern blkid_partlist blkid_probe_get_partitions(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
|
|
extern int blkid_partlist_numof_partitions(blkid_partlist ls)
|
|
__ul_attribute__((nonnull));
|
|
extern blkid_parttable blkid_partlist_get_table(blkid_partlist ls)
|
|
__ul_attribute__((nonnull));
|
|
extern blkid_partition blkid_partlist_get_partition(blkid_partlist ls, int n)
|
|
__ul_attribute__((nonnull));
|
|
extern blkid_partition blkid_partlist_get_partition_by_partno(blkid_partlist ls, int n)
|
|
__ul_attribute__((nonnull));
|
|
extern blkid_partition blkid_partlist_devno_to_partition(blkid_partlist ls, dev_t devno)
|
|
__ul_attribute__((nonnull));
|
|
extern blkid_parttable blkid_partition_get_table(blkid_partition par)
|
|
__ul_attribute__((nonnull));
|
|
|
|
extern const char *blkid_partition_get_name(blkid_partition par)
|
|
__ul_attribute__((nonnull));
|
|
extern const char *blkid_partition_get_uuid(blkid_partition par)
|
|
__ul_attribute__((nonnull));
|
|
extern int blkid_partition_get_partno(blkid_partition par)
|
|
__ul_attribute__((nonnull));
|
|
extern blkid_loff_t blkid_partition_get_start(blkid_partition par)
|
|
__ul_attribute__((nonnull));
|
|
extern blkid_loff_t blkid_partition_get_size(blkid_partition par)
|
|
__ul_attribute__((nonnull));
|
|
|
|
extern int blkid_partition_get_type(blkid_partition par)
|
|
__ul_attribute__((nonnull));
|
|
extern const char *blkid_partition_get_type_string(blkid_partition par)
|
|
__ul_attribute__((nonnull));
|
|
extern unsigned long long blkid_partition_get_flags(blkid_partition par)
|
|
__ul_attribute__((nonnull));
|
|
|
|
extern int blkid_partition_is_logical(blkid_partition par)
|
|
__ul_attribute__((nonnull));
|
|
extern int blkid_partition_is_extended(blkid_partition par)
|
|
__ul_attribute__((nonnull));
|
|
extern int blkid_partition_is_primary(blkid_partition par)
|
|
__ul_attribute__((nonnull));
|
|
|
|
extern const char *blkid_parttable_get_type(blkid_parttable tab)
|
|
__ul_attribute__((nonnull));
|
|
extern const char *blkid_parttable_get_id(blkid_parttable tab)
|
|
__ul_attribute__((nonnull));
|
|
extern blkid_loff_t blkid_parttable_get_offset(blkid_parttable tab)
|
|
__ul_attribute__((nonnull));
|
|
extern blkid_partition blkid_parttable_get_parent(blkid_parttable tab)
|
|
__ul_attribute__((nonnull));
|
|
|
|
/*
|
|
* NAME=value low-level interface
|
|
*/
|
|
extern int blkid_do_probe(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
extern int blkid_do_safeprobe(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
extern int blkid_do_fullprobe(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
|
|
extern int blkid_probe_numof_values(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
extern int blkid_probe_get_value(blkid_probe pr, int num, const char **name,
|
|
const char **data, size_t *len)
|
|
__ul_attribute__((nonnull(1)));
|
|
extern int blkid_probe_lookup_value(blkid_probe pr, const char *name,
|
|
const char **data, size_t *len)
|
|
__ul_attribute__((nonnull(1, 2)));
|
|
extern int blkid_probe_has_value(blkid_probe pr, const char *name)
|
|
__ul_attribute__((nonnull));
|
|
extern int blkid_do_wipe(blkid_probe pr, int dryrun)
|
|
__ul_attribute__((nonnull));
|
|
extern int blkid_probe_step_back(blkid_probe pr)
|
|
__ul_attribute__((nonnull));
|
|
|
|
/*
|
|
* Deprecated functions/macros
|
|
*/
|
|
#ifndef BLKID_DISABLE_DEPRECATED
|
|
|
|
#define BLKID_PROBREQ_LABEL BLKID_SUBLKS_LABEL
|
|
#define BLKID_PROBREQ_LABELRAW BLKID_SUBLKS_LABELRAW
|
|
#define BLKID_PROBREQ_UUID BLKID_SUBLKS_UUID
|
|
#define BLKID_PROBREQ_UUIDRAW BLKID_SUBLKS_UUIDRAW
|
|
#define BLKID_PROBREQ_TYPE BLKID_SUBLKS_TYPE
|
|
#define BLKID_PROBREQ_SECTYPE BLKID_SUBLKS_SECTYPE
|
|
#define BLKID_PROBREQ_USAGE BLKID_SUBLKS_USAGE
|
|
#define BLKID_PROBREQ_VERSION BLKID_SUBLKS_VERSION
|
|
|
|
extern int blkid_probe_set_request(blkid_probe pr, int flags)
|
|
__ul_attribute__((deprecated));
|
|
|
|
extern int blkid_probe_filter_usage(blkid_probe pr, int flag, int usage)
|
|
__ul_attribute__((deprecated));
|
|
|
|
extern int blkid_probe_filter_types(blkid_probe pr, int flag, char *names[])
|
|
__ul_attribute__((deprecated));
|
|
|
|
extern int blkid_probe_invert_filter(blkid_probe pr)
|
|
__ul_attribute__((deprecated));
|
|
|
|
extern int blkid_probe_reset_filter(blkid_probe pr)
|
|
__ul_attribute__((deprecated));
|
|
|
|
#endif /* BLKID_DISABLE_DEPRECATED */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _BLKID_BLKID_H */
|