13984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt/* 23984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * blkid.h - Interface for libblkid, a library to identify block devices 33984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * 43984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * Copyright (C) 2001 Andreas Dilger 53984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * Copyright (C) 2003 Theodore Ts'o 63984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * 73984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * %Begin-Header% 83984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * This file may be redistributed under the terms of the 93984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * GNU Lesser General Public License. 103984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * %End-Header% 113984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt */ 123984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 133984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#ifndef _BLKID_BLKID_H 143984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#define _BLKID_BLKID_H 153984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 163984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#include <sys/types.h> 173984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#include <blkid/blkid_types.h> 183984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 193984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#ifdef __cplusplus 203984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern "C" { 213984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#endif 223984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 233984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#define BLKID_VERSION "1.0.0" 243984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#define BLKID_DATE "12-Feb-2003" 253984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 263984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidttypedef struct blkid_struct_dev *blkid_dev; 273984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidttypedef struct blkid_struct_cache *blkid_cache; 283984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidttypedef __s64 blkid_loff_t; 293984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 303984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidttypedef struct blkid_struct_tag_iterate *blkid_tag_iterate; 313984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidttypedef struct blkid_struct_dev_iterate *blkid_dev_iterate; 323984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 333984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt/* 343984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * Flags for blkid_get_dev 353984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * 363984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * BLKID_DEV_CREATE Create an empty device structure if not found 373984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * in the cache. 383984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * BLKID_DEV_VERIFY Make sure the device structure corresponds 393984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * with reality. 403984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * BLKID_DEV_FIND Just look up a device entry, and return NULL 413984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * if it is not found. 423984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * BLKID_DEV_NORMAL Get a valid device structure, either from the 433984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * cache or by probing the device. 443984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt */ 453984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#define BLKID_DEV_FIND 0x0000 463984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#define BLKID_DEV_CREATE 0x0001 473984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#define BLKID_DEV_VERIFY 0x0002 483984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#define BLKID_DEV_NORMAL (BLKID_DEV_CREATE | BLKID_DEV_VERIFY) 493984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 503984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt/* cache.c */ 513984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern void blkid_put_cache(blkid_cache cache); 523984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern int blkid_get_cache(blkid_cache *cache, const char *filename); 533984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern void blkid_gc_cache(blkid_cache cache); 543984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 553984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt/* dev.c */ 563984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern const char *blkid_dev_devname(blkid_dev dev); 573984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 583984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern blkid_dev_iterate blkid_dev_iterate_begin(blkid_cache cache); 593984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern int blkid_dev_set_search(blkid_dev_iterate iter, 603984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt char *search_type, char *search_value); 613984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern int blkid_dev_next(blkid_dev_iterate iterate, blkid_dev *dev); 623984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern void blkid_dev_iterate_end(blkid_dev_iterate iterate); 633984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 643984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt/* devno.c */ 653984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern char *blkid_devno_to_devname(dev_t devno); 663984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 673984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt/* devname.c */ 683984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern int blkid_probe_all(blkid_cache cache); 693984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern int blkid_probe_all_new(blkid_cache cache); 703984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern blkid_dev blkid_get_dev(blkid_cache cache, const char *devname, 713984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt int flags); 723984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 733984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt/* getsize.c */ 743984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern blkid_loff_t blkid_get_dev_size(int fd); 753984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 763984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt/* probe.c */ 773984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtint blkid_known_fstype(const char *fstype); 783984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern blkid_dev blkid_verify(blkid_cache cache, blkid_dev dev); 793984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 803984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt/* read.c */ 813984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 823984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt/* resolve.c */ 833984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern char *blkid_get_tag_value(blkid_cache cache, const char *tagname, 843984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt const char *devname); 853984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern char *blkid_get_devname(blkid_cache cache, const char *token, 863984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt const char *value); 873984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 883984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt/* tag.c */ 893984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern blkid_tag_iterate blkid_tag_iterate_begin(blkid_dev dev); 903984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern int blkid_tag_next(blkid_tag_iterate iterate, 913984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt const char **type, const char **value); 923984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern void blkid_tag_iterate_end(blkid_tag_iterate iterate); 933984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern int blkid_dev_has_tag(blkid_dev dev, const char *type, 943984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt const char *value); 953984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern blkid_dev blkid_find_dev_with_tag(blkid_cache cache, 963984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt const char *type, 973984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt const char *value); 983984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern int blkid_parse_tag_string(const char *token, char **ret_type, 993984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt char **ret_val); 1003984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 1013984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt/* version.c */ 1023984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern int blkid_parse_version_string(const char *ver_string); 1033984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtextern int blkid_get_library_version(const char **ver_string, 1043984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt const char **date_string); 1053984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 1063984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#ifdef __cplusplus 1073984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt} 1083984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#endif 1093984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 1103984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#endif /* _BLKID_BLKID_H */ 111