xref: /netbsd-src/sbin/gpt/gpt.h (revision 404fbe5fb94ca1e054339640cabb2801ce52dd30)
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 #include <sys/endian.h>
33 #ifdef __FreeBSD__
34 #include <sys/gpt.h>
35 /*
36  * XXX struct gpt_hdr is not a multiple of 8 bytes in size and thus
37  * contains padding we must not include in the size.
38  */
39 #define GPT_SIZE offsetof(struct gpt_hdr, padding)
40 #endif
41 #ifdef __NetBSD__
42 #include <sys/disklabel_gpt.h>
43 #define GPT_SIZE GPT_HDR_SIZE
44 #define hdr_uuid hdr_guid
45 #define ent_uuid ent_guid
46 #endif
47 
48 #include <uuid.h>
49 
50 void	le_uuid_dec(void const *, uuid_t *);
51 void	le_uuid_enc(void *, uuid_t const *);
52 int	parse_uuid(const char *, uuid_t *);
53 
54 struct mbr_part {
55 	uint8_t		part_flag;		/* bootstrap flags */
56 	uint8_t		part_shd;		/* starting head */
57 	uint8_t		part_ssect;		/* starting sector */
58 	uint8_t		part_scyl;		/* starting cylinder */
59 	uint8_t		part_typ;		/* partition type */
60 	uint8_t		part_ehd;		/* end head */
61 	uint8_t		part_esect;		/* end sector */
62 	uint8_t		part_ecyl;		/* end cylinder */
63 	uint16_t	part_start_lo;		/* absolute starting ... */
64 	uint16_t	part_start_hi;		/* ... sector number */
65 	uint16_t	part_size_lo;		/* partition size ... */
66 	uint16_t	part_size_hi;		/* ... in sectors */
67 };
68 
69 struct mbr {
70 	uint16_t	mbr_code[223];
71 	struct mbr_part	mbr_part[4];
72 	uint16_t	mbr_sig;
73 #define	MBR_SIG		0xAA55
74 };
75 
76 extern char *device_name;
77 extern off_t mediasz;
78 extern u_int parts;
79 extern u_int secsz;
80 extern int readonly, verbose;
81 
82 uint32_t crc32(const void *, size_t);
83 void	gpt_close(int);
84 int	gpt_open(const char *);
85 void*	gpt_read(int, off_t, size_t);
86 int	gpt_write(int, map_t *);
87 
88 uint8_t *utf16_to_utf8(uint16_t *);
89 void	utf8_to_utf16(const uint8_t *, uint16_t *, size_t);
90 
91 int	cmd_add(int, char *[]);
92 int	cmd_create(int, char *[]);
93 int	cmd_destroy(int, char *[]);
94 int	cmd_label(int, char *[]);
95 int	cmd_migrate(int, char *[]);
96 int	cmd_recover(int, char *[]);
97 int	cmd_remove(int, char *[]);
98 int	cmd_show(int, char *[]);
99 
100 #endif /* _GPT_H_ */
101