1 /*- 2 * Copyright (c) 2012 Andrey V. Elsukov <ae@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #ifndef _PART_H_ 28 #define _PART_H_ 29 30 struct ptable; 31 32 enum ptable_type { 33 PTABLE_NONE, 34 PTABLE_BSD, 35 PTABLE_MBR, 36 PTABLE_GPT, 37 PTABLE_ISO9660 38 }; 39 40 enum partition_type { 41 PART_UNKNOWN, 42 PART_EFI, 43 PART_FREEBSD, 44 PART_FREEBSD_BOOT, 45 PART_FREEBSD_UFS, 46 PART_FREEBSD_ZFS, 47 PART_FREEBSD_SWAP, 48 PART_FREEBSD_VINUM, 49 PART_LINUX, 50 PART_LINUX_SWAP, 51 PART_DOS, 52 PART_ISO9660, 53 PART_APFS 54 }; 55 56 struct ptable_entry { 57 uint64_t start; 58 uint64_t end; 59 int index; 60 enum partition_type type; 61 }; 62 63 /* The offset and size are in sectors */ 64 typedef int (diskread_t)(void *arg, void *buf, size_t blocks, uint64_t offset); 65 typedef int (ptable_iterate_t)(void *arg, const char *partname, 66 const struct ptable_entry *part); 67 68 struct ptable *ptable_open(void *dev, uint64_t sectors, uint16_t sectorsize, 69 diskread_t *dread); 70 void ptable_close(struct ptable *table); 71 enum ptable_type ptable_gettype(const struct ptable *table); 72 int ptable_getsize(const struct ptable *table, uint64_t *sizep); 73 74 int ptable_getpart(const struct ptable *table, struct ptable_entry *part, 75 int index); 76 int ptable_getbestpart(const struct ptable *table, struct ptable_entry *part); 77 78 int ptable_iterate(const struct ptable *table, void *arg, 79 ptable_iterate_t *iter); 80 const char *parttype2str(enum partition_type type); 81 82 #endif /* !_PART_H_ */ 83