xref: /netbsd-src/usr.sbin/installboot/installboot.h (revision 3816d47b2c42fcd6e549e3407f842a5b1a1d23ad)
1 /*	$NetBSD: installboot.h,v 1.36 2010/01/07 13:26:00 tsutsui Exp $	*/
2 
3 /*-
4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Luke Mewburn of Wasabi Systems.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef	_INSTALLBOOT_H
33 #define	_INSTALLBOOT_H
34 
35 #if HAVE_NBTOOL_CONFIG_H
36 #include "nbtool_config.h"
37 #include "../../sys/sys/bootblock.h"
38 #else
39 #include <sys/bootblock.h>
40 #include <sys/endian.h>
41 #endif
42 
43 #include <sys/stat.h>
44 #include <stdint.h>
45 
46 typedef enum {
47 				/* flags from global options */
48 	IB_VERBOSE =	1<<0,		/* verbose operation */
49 	IB_NOWRITE =	1<<1,		/* don't write */
50 	IB_CLEAR =	1<<2,		/* clear boot block */
51 	IB_EDIT =	1<<3,		/* edit boot parameters */
52 	IB_FORCE =	1<<4,		/* Ignore some consistency checks */
53 
54 				/* flags from -o options */
55 	IB_ALPHASUM =	1<<8,		/* set Alpha checksum */
56 	IB_APPEND =	1<<9,		/* append stage 1 to EO(regular)F */
57 	IB_SUNSUM =	1<<10,		/* set Sun checksum */
58 	IB_STAGE1START=	1<<11,		/* start block for stage 1 provided */
59 	IB_STAGE2START=	1<<12,		/* start block for stage 2 provided */
60 	IB_COMMAND = 	1<<13,		/* Amiga commandline option */
61 	IB_RESETVIDEO =	1<<14,		/* i386 reset video */
62 	IB_CONSOLE =	1<<15,		/* i386 console */
63 	IB_CONSPEED =	1<<16,		/* i386 console baud rate */
64 	IB_TIMEOUT =	1<<17,		/* i386 boot timeout */
65 	IB_PASSWORD =	1<<18,		/* i386 boot password */
66 	IB_KEYMAP = 	1<<19,		/* i386 console keymap */
67 	IB_CONSADDR = 	1<<20,		/* i386 console io address */
68 } ib_flags;
69 
70 typedef struct {
71 	ib_flags	 flags;		/* flags (see above) */
72 	struct ib_mach	*machine;	/* machine details (see below) */
73 	struct ib_fs	*fstype;	/* file system details (see below) */
74 	const char	*filesystem;	/* name of target file system */
75 	int		 fsfd;		/*  open fd to filesystem */
76 	struct stat	 fsstat;	/*  fstat(2) of fsfd */
77 	const char	*stage1;	/* name of stage1 bootstrap */
78 	int		 s1fd;		/*  open fd to stage1 */
79 	struct stat	 s1stat;	/*  fstat(2) of s1fd */
80 	uint64_t	 s1start;	/*  start block of stage1 */
81 	const char	*stage2;	/* name of stage2 bootstrap */
82 	uint64_t	 s2start;	/*  start block of stage2 */
83 	uint32_t	 sectorsize;	/* sector size of target fs */
84 		/* parsed -o option=value data */
85 	const char	*command;	/* name of command string */
86 	const char	*console;	/* name of console */
87 	int		 conspeed;	/* console baud rate */
88 	int		 consaddr;	/* console io address */
89 	const char	*password;	/* boot password */
90 	int		 timeout;	/* interactive boot timeout */
91 	const char	*keymap;	/* keyboard translations */
92 } ib_params;
93 
94 typedef struct {
95 	uint64_t	block;
96 	uint32_t	blocksize;
97 } ib_block;
98 
99 struct ib_mach {
100 	const char	*name;
101 	int		(*setboot)	(ib_params *);
102 	int		(*clearboot)	(ib_params *);
103 	int		(*editboot)	(ib_params *);
104 	ib_flags	valid_flags;
105 };
106 
107 struct ib_fs {
108 		/* compile time parameters */
109 	const char	*name;
110 	int		(*match)	(ib_params *);
111 	int		(*findstage2)	(ib_params *, uint32_t *, ib_block *);
112 		/* run time fs specific parameters */
113 	uint32_t	 blocksize;
114 	uint32_t	 needswap;
115 	off_t		sblockloc;	/* location of superblock */
116 	off_t		offset;		/* file system offset (e.g. RAID) */
117 };
118 
119 typedef enum {
120 	BBINFO_BIG_ENDIAN =	0,
121 	BBINFO_LITTLE_ENDIAN =	1,
122 } bbinfo_endian;
123 
124 struct bbinfo_params {
125 	const char	*magic;		/* magic string to look for */
126 	uint32_t	offset;		/* offset to write start of stage1 */
127 	uint32_t	blocksize;	/* blocksize of stage1 */
128 	uint32_t	maxsize;	/* max size of stage1 */
129 	uint32_t	headeroffset;	/*
130 					 * header offset (relative to offset)
131 					 * to read stage1 into
132 					 */
133 	bbinfo_endian	endian;
134 };
135 
136 extern struct ib_mach	*machines[];
137 extern struct ib_fs	fstypes[];
138 
139 	/* installboot.c */
140 uint16_t	compute_sunsum(const uint16_t *);
141 int		set_sunsum(ib_params *, uint16_t *, uint16_t);
142 int		no_setboot(ib_params *);
143 int		no_clearboot(ib_params *);
144 int		no_editboot(ib_params *);
145 
146 	/* bbinfo.c */
147 int		shared_bbinfo_clearboot(ib_params *, struct bbinfo_params *,
148 		    int (*)(ib_params *, struct bbinfo_params *, uint8_t *));
149 int		shared_bbinfo_setboot(ib_params *, struct bbinfo_params *,
150 		    int (*)(ib_params *, struct bbinfo_params *, uint8_t *));
151 
152 	/* fstypes.c */
153 int		hardcode_stage2(ib_params *, uint32_t *, ib_block *);
154 int		ffs_match(ib_params *);
155 int		ffs_findstage2(ib_params *, uint32_t *, ib_block *);
156 int		raid_match(ib_params *);
157 int		raw_match(ib_params *);
158 int		raw_findstage2(ib_params *, uint32_t *, ib_block *);
159 int		ext2fs_match(ib_params *);
160 int		ext2fs_findstage2(ib_params *, uint32_t *, ib_block *);
161 
162 	/* machines.c */
163 extern struct ib_mach ib_mach_alpha;
164 extern struct ib_mach ib_mach_amd64;
165 extern struct ib_mach ib_mach_amiga;
166 extern struct ib_mach ib_mach_ews4800mips;
167 extern struct ib_mach ib_mach_hp300;
168 extern struct ib_mach ib_mach_hp700;
169 extern struct ib_mach ib_mach_i386;
170 extern struct ib_mach ib_mach_landisk;
171 extern struct ib_mach ib_mach_macppc;
172 extern struct ib_mach ib_mach_news68k;
173 extern struct ib_mach ib_mach_newsmips;
174 extern struct ib_mach ib_mach_next68k;
175 extern struct ib_mach ib_mach_pmax;
176 extern struct ib_mach ib_mach_sparc;
177 extern struct ib_mach ib_mach_sparc64;
178 extern struct ib_mach ib_mach_sun2;
179 extern struct ib_mach ib_mach_sun3;
180 extern struct ib_mach ib_mach_vax;
181 extern struct ib_mach ib_mach_x68k;
182 
183 #endif	/* _INSTALLBOOT_H */
184