xref: /netbsd-src/usr.sbin/installboot/installboot.h (revision ed8e534c7e8d32417264bdd5a364dee751abead3)
1 /*	$NetBSD: installboot.h,v 1.7 2002/04/30 14:45:12 lukem 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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #ifndef	_INSTALLBOOT_H
40 #define	_INSTALLBOOT_H
41 
42 #if HAVE_CONFIG_H
43 #include "config.h"
44 #endif
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_STARTBLOCK =	1<<3,		/* start block supplied */
52 
53 				/* flags from -o options */
54 	IB_ALPHASUM =	1<<8,		/* set Alpha checksum */
55 	IB_APPEND =	1<<9,		/* clear boot block */
56 	IB_SUNSUM =	1<<10,		/* set Sun checksum */
57 } ib_flags;
58 
59 typedef struct {
60 	ib_flags	 flags;
61 	struct ib_mach	*machine;
62 	struct ib_fs	*fstype;
63 	const char	*filesystem;
64 	int		 fsfd;
65 	const char	*stage1;
66 	int		 s1fd;
67 	const char	*stage2;
68 	uint32_t	 startblock;
69 } ib_params;
70 
71 typedef struct {
72 	uint32_t	block;
73 	uint32_t	blocksize;
74 } ib_block;
75 
76 struct ib_mach {
77 	const char	*name;
78 	int		(*parseopt)	(ib_params *, const char *);
79 	int		(*setboot)	(ib_params *);
80 	int		(*clearboot)	(ib_params *);
81 };
82 
83 struct ib_fs {
84 	const char	*name;
85 	int		(*match)	(ib_params *);
86 	int		(*findstage2)	(ib_params *, uint32_t *, ib_block *);
87 };
88 
89 extern struct ib_mach	machines[];
90 extern struct ib_fs	fstypes[];
91 
92 	/* installboot.c */
93 int		parseoptionflag(ib_params *, const char *, ib_flags);
94 uint16_t	compute_sunsum(const uint16_t *);
95 int		set_sunsum(ib_params *, uint16_t *, uint16_t);
96 int		no_parseopt(ib_params *, const char *);
97 int		no_setboot(ib_params *);
98 int		no_clearboot(ib_params *);
99 
100 	/* fstypes.c */
101 int		ffs_match(ib_params *);
102 int		ffs_findstage2(ib_params *, uint32_t *, ib_block *);
103 int		raw_match(ib_params *);
104 int		raw_findstage2(ib_params *, uint32_t *, ib_block *);
105 
106 	/* machines.c */
107 int		alpha_parseopt(ib_params *, const char *);
108 int		alpha_setboot(ib_params *);
109 int		alpha_clearboot(ib_params *);
110 int		pmax_parseopt(ib_params *, const char *);
111 int		pmax_setboot(ib_params *);
112 int		pmax_clearboot(ib_params *);
113 int		sparc64_setboot(ib_params *);
114 int		sparc64_clearboot(ib_params *);
115 int		sun68k_setboot(ib_params *);
116 int		sun68k_clearboot(ib_params *);
117 int		vax_parseopt(ib_params *, const char *);
118 int		vax_setboot(ib_params *);
119 int		vax_clearboot(ib_params *);
120 
121 #endif	/* _INSTALLBOOT_H */
122