1/*	$NetBSD: installboot.h,v 1.2 2008/04/28 20:22:53 martin 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#ifndef MAXNAMLEN
47#define MAXNAMLEN	511
48#endif
49
50typedef enum {
51				/* flags from global options */
52	IB_VERBOSE =	1<<0,		/* verbose operation */
53	IB_NOWRITE =	1<<1,		/* don't write */
54	IB_CLEAR =	1<<2,		/* clear boot block */
55
56				/* flags from -o options */
57	IB_ALPHASUM =	1<<8,		/* set Alpha checksum */
58	IB_APPEND =	1<<9,		/* append stage 1 to EO(regular)F */
59	IB_SUNSUM =	1<<10,		/* set Sun checksum */
60	IB_STAGE1START=	1<<11,		/* start block for stage 1 provided */
61	IB_STAGE2START=	1<<12,		/* start block for stage 2 provided */
62	IB_COMMAND = 	1<<13,		/* Amiga commandline option */
63	IB_RESETVIDEO =	1<<14,		/* i386 reset video */
64	IB_CONSOLE =	1<<15,		/* i386 console */
65	IB_CONSPEED =	1<<16,		/* i386 console baud rate */
66	IB_TIMEOUT =	1<<17,		/* i386 boot timeout */
67	IB_PASSWORD =	1<<18,		/* i386 boot password */
68	IB_KEYMAP = 	1<<19,		/* i386 console keymap */
69	IB_CONSADDR = 	1<<20,		/* i386 console io address */
70} ib_flags;
71
72typedef struct {
73	ib_flags	 flags;		/* flags (see above) */
74	struct ib_mach	*machine;	/* machine details (see below) */
75	struct ib_fs	*fstype;	/* file system details (see below) */
76	const char	*filesystem;	/* name of target file system */
77	int		 fsfd;		/*  open fd to filesystem */
78	struct stat	 fsstat;	/*  fstat(2) of fsfd */
79	const char	*stage1;	/* name of stage1 bootstrap */
80	int		 s1fd;		/*  open fd to stage1 */
81	struct stat	 s1stat;	/*  fstat(2) of s1fd */
82	uint64_t	 s1start;	/*  start block of stage1 */
83	const char	*stage2;	/* name of stage2 bootstrap */
84	uint64_t	 s2start;	/*  start block of stage2 */
85		/* parsed -o option=value data */
86	const char	*command;	/* name of command string */
87	const char	*console;	/* name of console */
88	int		 conspeed;	/* console baud rate */
89	int		 consaddr;	/* console io address */
90	const char	*password;	/* boot password */
91	int		 timeout;	/* interactive boot timeout */
92	const char	*keymap;	/* keyboard translations */
93} ib_params;
94
95typedef struct {
96	uint64_t	block;
97	uint32_t	blocksize;
98} ib_block;
99
100struct ib_mach {
101	const char	*name;
102	int		(*setboot)	(ib_params *);
103	int		(*clearboot)	(ib_params *);
104	ib_flags	valid_flags;
105};
106
107struct 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};
117
118typedef enum {
119	BBINFO_BIG_ENDIAN =	0,
120	BBINFO_LITTLE_ENDIAN =	1,
121} bbinfo_endian;
122
123struct bbinfo_params {
124	const char	*magic;		/* magic string to look for */
125	uint32_t	offset;		/* offset to write start of stage1 */
126	uint32_t	blocksize;	/* blocksize of stage1 */
127	uint32_t	maxsize;	/* max size of stage1 */
128	uint32_t	headeroffset;	/*
129					 * header offset (relative to offset)
130					 * to read stage1 into
131					 */
132	bbinfo_endian	endian;
133};
134
135int		cd9660_match(ib_params *);
136int		cd9660_findstage2(ib_params *, uint32_t *, ib_block *);
137
138int	isofncmp(const u_char *, size_t, const u_char *, size_t, int);
139void	isofntrans(u_char *, int, u_char *, u_short *, int, int, int, int);
140
141
142#endif	/* _INSTALLBOOT_H */
143