xref: /freebsd/sys/sys/disk/apm.h (revision eb69d1f144a6fcc765d1b9d44a5ae8082353e70b)
1 /*-
2  * Copyright (c) 2007 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  * $FreeBSD$
27  */
28 
29 #ifndef _SYS_DISK_APM_H_
30 #define	_SYS_DISK_APM_H_
31 
32 /* Driver Descriptor Record. */
33 struct apm_ddr {
34 	uint16_t	ddr_sig;
35 #define	APM_DDR_SIG		0x4552
36 	uint16_t	ddr_blksize;
37 	uint32_t	ddr_blkcount;
38 };
39 
40 #define	APM_ENT_NAMELEN		32
41 #define	APM_ENT_TYPELEN		32
42 
43 /* Partition Map Entry Record. */
44 struct apm_ent {
45 	uint16_t	ent_sig;
46 #define	APM_ENT_SIG		0x504d
47 	uint16_t	_pad_;
48 	uint32_t	ent_pmblkcnt;
49 	uint32_t	ent_start;
50 	uint32_t	ent_size;
51 	char		ent_name[APM_ENT_NAMELEN];
52 	char		ent_type[APM_ENT_TYPELEN];
53 };
54 
55 #define	APM_ENT_TYPE_SELF		"Apple_partition_map"
56 #define	APM_ENT_TYPE_UNUSED		"Apple_Free"
57 
58 #define	APM_ENT_TYPE_FREEBSD		"FreeBSD"
59 #define	APM_ENT_TYPE_FREEBSD_NANDFS	"FreeBSD-nandfs"
60 #define	APM_ENT_TYPE_FREEBSD_SWAP	"FreeBSD-swap"
61 #define	APM_ENT_TYPE_FREEBSD_UFS	"FreeBSD-UFS"
62 #define	APM_ENT_TYPE_FREEBSD_VINUM	"FreeBSD-Vinum"
63 #define	APM_ENT_TYPE_FREEBSD_ZFS	"FreeBSD-ZFS"
64 
65 #define	APM_ENT_TYPE_APPLE_BOOT		"Apple_Bootstrap"
66 #define	APM_ENT_TYPE_APPLE_HFS		"Apple_HFS"
67 #define	APM_ENT_TYPE_APPLE_UFS		"Apple_UNIX_SVR2"
68 
69 #endif /* _SYS_DISK_APM_H_ */
70