gpt.h revision 1.23 
1/*-
2 * Copyright (c) 2002 Marcel Moolenaar
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 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: src/sbin/gpt/gpt.h,v 1.11 2006/06/22 22:05:28 marcel Exp $
27 */
28
29#ifndef _GPT_H_
30#define	_GPT_H_
31
32#ifndef HAVE_NBTOOL_CONFIG_H
33#include <util.h>
34#else
35#include "opendisk.h"
36#include "namespace.h"
37#endif
38
39#include "gpt_uuid.h"
40
41struct mbr_part {
42	uint8_t		part_flag;		/* bootstrap flags */
43	uint8_t		part_shd;		/* starting head */
44	uint8_t		part_ssect;		/* starting sector */
45	uint8_t		part_scyl;		/* starting cylinder */
46	uint8_t		part_typ;		/* partition type */
47	uint8_t		part_ehd;		/* end head */
48	uint8_t		part_esect;		/* end sector */
49	uint8_t		part_ecyl;		/* end cylinder */
50	uint16_t	part_start_lo;		/* absolute starting ... */
51	uint16_t	part_start_hi;		/* ... sector number */
52	uint16_t	part_size_lo;		/* partition size ... */
53	uint16_t	part_size_hi;		/* ... in sectors */
54};
55
56struct mbr {
57	uint8_t		mbr_code[446];
58	struct mbr_part	mbr_part[4];
59	uint16_t	mbr_sig;
60#define	MBR_SIG		0xAA55
61};
62
63typedef struct gpt *gpt_t;
64typedef struct map *map_t;
65
66uint32_t crc32(const void *, size_t);
67void	gpt_close(gpt_t);
68int	gpt_gpt(gpt_t, off_t, int);
69gpt_t	gpt_open(const char *, int, int, off_t, u_int);
70void*	gpt_read(gpt_t, off_t, size_t);
71int	gpt_write(gpt_t, map_t);
72int	gpt_write_crc(gpt_t, map_t, map_t);
73int	gpt_write_primary(gpt_t);
74int	gpt_write_backup(gpt_t);
75struct gpt_hdr *gpt_hdr(gpt_t);
76void	gpt_msg(gpt_t, const char *, ...) __printflike(2, 3);
77void	gpt_warn(gpt_t, const char *, ...) __printflike(2, 3);
78void	gpt_warnx(gpt_t, const char *, ...) __printflike(2, 3);
79void	gpt_create_pmbr_part(struct mbr_part *, off_t);
80off_t	gpt_check(gpt_t, off_t, off_t);
81struct gpt_ent *gpt_ent(map_t, map_t, unsigned int);
82struct gpt_ent *gpt_ent_primary(gpt_t, unsigned int);
83struct gpt_ent *gpt_ent_backup(gpt_t, unsigned int);
84
85uint8_t *utf16_to_utf8(uint16_t *);
86void	utf8_to_utf16(const uint8_t *, uint16_t *, size_t);
87
88int	cmd_add(gpt_t, int, char *[]);
89int	cmd_backup(gpt_t, int, char *[]);
90int	cmd_biosboot(gpt_t, int, char *[]);
91int	cmd_create(gpt_t, int, char *[]);
92int	cmd_destroy(gpt_t, int, char *[]);
93int	cmd_header(gpt_t, int, char *[]);
94int	cmd_label(gpt_t, int, char *[]);
95int	cmd_migrate(gpt_t, int, char *[]);
96int	cmd_recover(gpt_t, int, char *[]);
97int	cmd_remove(gpt_t, int, char *[]);
98int	cmd_resize(gpt_t, int, char *[]);
99int	cmd_resizedisk(gpt_t, int, char *[]);
100int	cmd_restore(gpt_t, int, char *[]);
101int	cmd_set(gpt_t, int, char *[]);
102int	cmd_show(gpt_t, int, char *[]);
103int	cmd_type(gpt_t, int, char *[]);
104int	cmd_unset(gpt_t, int, char *[]);
105
106#define GPT_READONLY	1
107#define GPT_MODIFIED	2
108#define GPT_QUIET	4
109#define GPT_NOSYNC	8
110
111#endif /* _GPT_H_ */
112