xref: /openbsd/sys/arch/hppa/include/disklabel.h (revision d415bd75)
1 /*	$OpenBSD: disklabel.h,v 1.24 2015/09/30 15:13:54 krw Exp $	*/
2 
3 /*
4  * Copyright (c) 1994 Christopher G. Demetriou
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *      This product includes software developed by Christopher G. Demetriou.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #ifndef _MACHINE_DISKLABEL_H_
34 #define _MACHINE_DISKLABEL_H_
35 
36 #define	LABELSECTOR	1	/* sector containing label */
37 #define	LABELOFFSET	0	/* offset of label in sector */
38 #define	MAXPARTITIONS	16	/* number of partitions */
39 
40 /*
41  * volume header for "LIF" format volumes
42  */
43 struct	lifvol {
44 	short	vol_id;
45 	char	vol_label[6];
46 	u_int	vol_addr;
47 	short	vol_oct;
48 	short	vol_dummy;
49 	u_int	vol_dirsize;
50 	short	vol_version;
51 	short	vol_zero;
52 	u_int	vol_number;
53 	u_int	vol_lastvol;
54 	u_int	vol_length;
55 	char	vol_toc[6];
56 	char	vol_dummy1[198];
57 
58 	u_int	ipl_addr;
59 	u_int	ipl_size;
60 	u_int	ipl_entry;
61 
62 	u_int	vol_dummy2;
63 };
64 
65 struct	lifdir {
66 	char	dir_name[10];
67 	u_short	dir_type;
68 	u_int	dir_addr;
69 	u_int	dir_length;
70 	char	dir_toc[6];
71 	short	dir_flag;
72 	u_int	dir_implement;
73 };
74 
75 struct lif_load {
76 	int address;
77 	int count;
78 };
79 
80 #define	HPUX_MAGIC	0x8b7f6a3c
81 #define	HPUX_MAXPART	16
82 struct hpux_label {
83 	int32_t		hl_magic1;
84 	u_int32_t	hl_magic;
85 	int32_t		hl_version;
86 	struct {
87 		int32_t	hlp_blah[2];
88 		int32_t	hlp_start;
89 		int32_t	hlp_length;
90 	}		hl_parts[HPUX_MAXPART];
91 	u_int8_t	hl_flags[HPUX_MAXPART];
92 #define	HPUX_PART_ROOT	0x10
93 #define	HPUX_PART_SWAP	0x14
94 #define	HPUX_PART_BOOT	0x32
95 	int32_t		hl_blah[3*16];
96 	u_int16_t	hl_boot;
97 	u_int16_t	hl_reserved;
98 	int32_t		hl_magic2;
99 };
100 
101 #define LIF_VOL_ID	-32768
102 #define LIF_VOL_OCT	4096
103 #define LIF_DIR_SWAP	0x5243
104 #define LIF_DIR_HPLBL	0xa271
105 #define	LIF_DIR_FS	0xcd38
106 #define	LIF_DIR_IOMAP	0xcd60
107 #define	LIF_DIR_HPUX	0xcd80
108 #define	LIF_DIR_ISL	0xce00
109 #define	LIF_DIR_PAD	0xcffe
110 #define	LIF_DIR_AUTO	0xcfff
111 #define	LIF_DIR_EST	0xd001
112 #define	LIF_DIR_TYPE	0xe942
113 
114 #define LIF_DIR_FLAG	0x8001	/* dont ask me! */
115 #define	LIF_SECTSIZE	256
116 
117 #define LIF_NUMDIR	16
118 
119 #define LIF_VOLSTART	0
120 #define LIF_VOLSIZE	sizeof(struct lifvol)
121 #define LIF_DIRSTART	2048
122 #define LIF_DIRSIZE	(LIF_NUMDIR * sizeof(struct lifdir))
123 #define LIF_FILESTART	8192
124 
125 #define	btolifs(b)	(((b) + (LIF_SECTSIZE - 1)) / LIF_SECTSIZE)
126 #define	lifstob(s)	((s) * LIF_SECTSIZE)
127 #define	lifstodb(s)	((s) * LIF_SECTSIZE / DEV_BSIZE)
128 
129 #define MAXLIFSPACE	256		/* 512 byte blocks */
130 
131 #endif /* _MACHINE_DISKLABEL_H_ */
132