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_VTOC8, 38 PTABLE_VTOC, 39 PTABLE_ISO9660 40 }; 41 42 enum partition_type { 43 PART_UNKNOWN, 44 PART_EFI, 45 PART_FREEBSD, 46 PART_FREEBSD_BOOT, 47 PART_FREEBSD_UFS, 48 PART_FREEBSD_ZFS, 49 PART_FREEBSD_SWAP, 50 PART_FREEBSD_VINUM, 51 PART_LINUX, 52 PART_LINUX_SWAP, 53 PART_DOS, 54 PART_ISO9660, 55 PART_SOLARIS2, 56 PART_ILLUMOS_UFS, 57 PART_ILLUMOS_ZFS, 58 PART_RESERVED, 59 PART_VTOC_BOOT, 60 PART_VTOC_ROOT, 61 PART_VTOC_SWAP, 62 PART_VTOC_USR, 63 PART_VTOC_BACKUP, 64 PART_VTOC_STAND, 65 PART_VTOC_VAR, 66 PART_VTOC_HOME, 67 PART_APFS 68 }; 69 70 struct ptable_entry { 71 uint64_t start; 72 uint64_t end; 73 int index; 74 enum partition_type type; 75 }; 76 77 /* The offset and size are in sectors */ 78 typedef int (diskread_t)(void *arg, void *buf, size_t blocks, uint64_t offset); 79 typedef int (ptable_iterate_t)(void *arg, const char *partname, 80 const struct ptable_entry *part); 81 82 struct ptable *ptable_open(void *dev, uint64_t sectors, uint16_t sectorsize, 83 diskread_t *dread); 84 void ptable_close(struct ptable *table); 85 enum ptable_type ptable_gettype(const struct ptable *table); 86 int ptable_getsize(const struct ptable *table, uint64_t *sizep); 87 88 int ptable_getpart(const struct ptable *table, struct ptable_entry *part, 89 int index); 90 int ptable_getbestpart(const struct ptable *table, struct ptable_entry *part); 91 92 int ptable_iterate(const struct ptable *table, void *arg, 93 ptable_iterate_t *iter); 94 const char *parttype2str(enum partition_type type); 95 96 #endif /* !_PART_H_ */ 97