xref: /illumos-gate/usr/src/boot/common/part.h (revision 22028508fd28d36ff74dc02c5774a8ba1f0db045)
1*22028508SToomas Soome /*
2*22028508SToomas Soome  * Copyright (c) 2012 Andrey V. Elsukov <ae@FreeBSD.org>
3*22028508SToomas Soome  * All rights reserved.
4*22028508SToomas Soome  *
5*22028508SToomas Soome  * Redistribution and use in source and binary forms, with or without
6*22028508SToomas Soome  * modification, are permitted provided that the following conditions
7*22028508SToomas Soome  * are met:
8*22028508SToomas Soome  * 1. Redistributions of source code must retain the above copyright
9*22028508SToomas Soome  *    notice, this list of conditions and the following disclaimer.
10*22028508SToomas Soome  * 2. Redistributions in binary form must reproduce the above copyright
11*22028508SToomas Soome  *    notice, this list of conditions and the following disclaimer in the
12*22028508SToomas Soome  *    documentation and/or other materials provided with the distribution.
13*22028508SToomas Soome  *
14*22028508SToomas Soome  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15*22028508SToomas Soome  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*22028508SToomas Soome  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*22028508SToomas Soome  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18*22028508SToomas Soome  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*22028508SToomas Soome  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*22028508SToomas Soome  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*22028508SToomas Soome  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*22028508SToomas Soome  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*22028508SToomas Soome  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*22028508SToomas Soome  * SUCH DAMAGE.
25*22028508SToomas Soome  */
26*22028508SToomas Soome 
27*22028508SToomas Soome #ifndef _PART_H_
28*22028508SToomas Soome #define	_PART_H_
29*22028508SToomas Soome 
30*22028508SToomas Soome struct ptable;
31*22028508SToomas Soome 
32*22028508SToomas Soome enum ptable_type {
33*22028508SToomas Soome 	PTABLE_NONE,
34*22028508SToomas Soome 	PTABLE_BSD,
35*22028508SToomas Soome 	PTABLE_MBR,
36*22028508SToomas Soome 	PTABLE_GPT,
37*22028508SToomas Soome 	PTABLE_VTOC8,
38*22028508SToomas Soome 	PTABLE_VTOC,
39*22028508SToomas Soome 	PTABLE_ISO9660
40*22028508SToomas Soome };
41*22028508SToomas Soome 
42*22028508SToomas Soome enum partition_type {
43*22028508SToomas Soome 	PART_UNKNOWN,
44*22028508SToomas Soome 	PART_EFI,
45*22028508SToomas Soome 	PART_FREEBSD,
46*22028508SToomas Soome 	PART_FREEBSD_BOOT,
47*22028508SToomas Soome 	PART_FREEBSD_UFS,
48*22028508SToomas Soome 	PART_FREEBSD_ZFS,
49*22028508SToomas Soome 	PART_FREEBSD_SWAP,
50*22028508SToomas Soome 	PART_FREEBSD_VINUM,
51*22028508SToomas Soome 	PART_LINUX,
52*22028508SToomas Soome 	PART_LINUX_SWAP,
53*22028508SToomas Soome 	PART_DOS,
54*22028508SToomas Soome 	PART_ISO9660,
55*22028508SToomas Soome 	PART_SOLARIS2,
56*22028508SToomas Soome 	PART_ILLUMOS_UFS,
57*22028508SToomas Soome 	PART_ILLUMOS_ZFS,
58*22028508SToomas Soome 	PART_RESERVED,
59*22028508SToomas Soome 	PART_VTOC_BOOT,
60*22028508SToomas Soome 	PART_VTOC_ROOT,
61*22028508SToomas Soome 	PART_VTOC_SWAP,
62*22028508SToomas Soome 	PART_VTOC_USR,
63*22028508SToomas Soome 	PART_VTOC_BACKUP,
64*22028508SToomas Soome 	PART_VTOC_STAND,
65*22028508SToomas Soome 	PART_VTOC_VAR,
66*22028508SToomas Soome 	PART_VTOC_HOME,
67*22028508SToomas Soome 	PART_APFS
68*22028508SToomas Soome };
69*22028508SToomas Soome 
70*22028508SToomas Soome struct ptable_entry {
71*22028508SToomas Soome 	uint64_t		start;
72*22028508SToomas Soome 	uint64_t		end;
73*22028508SToomas Soome 	int			index;
74*22028508SToomas Soome 	enum partition_type	type;
75*22028508SToomas Soome };
76*22028508SToomas Soome 
77*22028508SToomas Soome /* The offset and size are in sectors */
78*22028508SToomas Soome typedef int (diskread_t)(void *arg, void *buf, size_t blocks, uint64_t offset);
79*22028508SToomas Soome typedef int (ptable_iterate_t)(void *arg, const char *partname,
80*22028508SToomas Soome     const struct ptable_entry *part);
81*22028508SToomas Soome 
82*22028508SToomas Soome struct ptable *ptable_open(void *dev, uint64_t sectors, uint16_t sectorsize,
83*22028508SToomas Soome     diskread_t *dread);
84*22028508SToomas Soome void ptable_close(struct ptable *table);
85*22028508SToomas Soome enum ptable_type ptable_gettype(const struct ptable *table);
86*22028508SToomas Soome int ptable_getsize(const struct ptable *table, uint64_t *sizep);
87*22028508SToomas Soome 
88*22028508SToomas Soome int ptable_getpart(const struct ptable *table, struct ptable_entry *part,
89*22028508SToomas Soome     int index);
90*22028508SToomas Soome int ptable_getbestpart(const struct ptable *table, struct ptable_entry *part);
91*22028508SToomas Soome 
92*22028508SToomas Soome int ptable_iterate(const struct ptable *table, void *arg,
93*22028508SToomas Soome     ptable_iterate_t *iter);
94*22028508SToomas Soome const char *parttype2str(enum partition_type type);
95*22028508SToomas Soome 
96*22028508SToomas Soome #endif	/* !_PART_H_ */
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