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 * $FreeBSD$ 27 */ 28 29 #ifndef _PART_H_ 30 #define _PART_H_ 31 32 struct ptable; 33 34 enum ptable_type { 35 PTABLE_NONE, 36 PTABLE_BSD, 37 PTABLE_MBR, 38 PTABLE_GPT, 39 PTABLE_VTOC8, 40 PTABLE_ISO9660 41 }; 42 43 enum partition_type { 44 PART_UNKNOWN, 45 PART_EFI, 46 PART_FREEBSD, 47 PART_FREEBSD_BOOT, 48 PART_FREEBSD_UFS, 49 PART_FREEBSD_ZFS, 50 PART_FREEBSD_SWAP, 51 PART_FREEBSD_VINUM, 52 PART_LINUX, 53 PART_LINUX_SWAP, 54 PART_DOS, 55 PART_ISO9660, 56 PART_APFS 57 }; 58 59 struct ptable_entry { 60 uint64_t start; 61 uint64_t end; 62 int index; 63 enum partition_type type; 64 }; 65 66 /* The offset and size are in sectors */ 67 typedef int (diskread_t)(void *arg, void *buf, size_t blocks, uint64_t offset); 68 typedef int (ptable_iterate_t)(void *arg, const char *partname, 69 const struct ptable_entry *part); 70 71 struct ptable *ptable_open(void *dev, uint64_t sectors, uint16_t sectorsize, 72 diskread_t *dread); 73 void ptable_close(struct ptable *table); 74 enum ptable_type ptable_gettype(const struct ptable *table); 75 int ptable_getsize(const struct ptable *table, uint64_t *sizep); 76 77 int ptable_getpart(const struct ptable *table, struct ptable_entry *part, 78 int index); 79 int ptable_getbestpart(const struct ptable *table, struct ptable_entry *part); 80 81 int ptable_iterate(const struct ptable *table, void *arg, 82 ptable_iterate_t *iter); 83 const char *parttype2str(enum partition_type type); 84 85 #endif /* !_PART_H_ */ 86