1 /* 2 * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org> 3 * Copyright (C) 2013 John Crispin <blogic@openwrt.org> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU Lesser General Public License version 2.1 7 * as published by the Free Software Foundation 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 */ 14 #ifndef _LIBBLKID_TINY_H 15 #define _LIBBLKID_TINY_H 16 17 #include <libubox/list.h> 18 19 struct blkid_struct_probe; 20 21 /* 22 * Filesystem / Raid magic strings 23 */ 24 struct blkid_idmag 25 { 26 const char *magic; /* magic string */ 27 unsigned int len; /* length of magic */ 28 29 long kboff; /* kilobyte offset of superblock */ 30 unsigned int sboff; /* byte offset within superblock */ 31 }; 32 33 /* 34 * Filesystem / Raid description 35 */ 36 struct blkid_idinfo 37 { 38 const char *name; /* fs, raid or partition table name */ 39 int usage; /* BLKID_USAGE_* flag */ 40 int flags; /* BLKID_IDINFO_* flags */ 41 int minsz; /* minimal device size */ 42 43 /* probe function */ 44 int (*probefunc)(struct blkid_struct_probe *pr, const struct blkid_idmag *mag); 45 46 struct blkid_idmag magics[]; /* NULL or array with magic strings */ 47 }; 48 49 /* Smaller version of the struct provided in blkidP.h */ 50 struct blkid_struct_probe 51 { 52 const struct blkid_idinfo *id; 53 struct list_head list; 54 55 int fd; 56 int err; 57 char dev[32]; 58 char uuid[64]; 59 char label[1025]; 60 char version[64]; 61 62 struct list_head buffers; /* list of buffers */ 63 }; 64 65 struct blkid_struct_probe *blkidtiny_new_probe(void); 66 void blkidtiny_free_probe(struct blkid_struct_probe *pr); 67 68 extern int probe_block(char *block, struct blkid_struct_probe *pr); 69 extern int mkblkdev(void); 70 71 #endif /* _LIBBLKID_TINY_H */ 72
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