xref: /netbsd/usr.sbin/installboot/installboot.h (revision 60876084)
1 /*	$NetBSD: installboot.h,v 1.43 2022/07/10 19:28:00 brook 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_MODULES =	1<<21,		/* i386: load modules */
69 	IB_BOOTCONF = 	1<<22,		/* i386: read boot.conf */
70 
71 	IB_BOARD =	1<<23,		/* evb*: board specification */
72 	IB_DTB=		1<<24,		/* evb*: device tree blob */
73 
74 	/* IB_MEDIA is required for some evb*, but not all. */
75 	IB_MEDIA =	1<<25,		/* evb*: boot media type */
76 } ib_flags;
77 
78 typedef enum {
79 
80 	MF_UBOOT =	1<<0,		/* platform (maybe) uses u-boot */
81 } m_flags;
82 
83 typedef struct {
84 	ib_flags	 flags;		/* flags (see above) */
85 	struct ib_mach	*machine;	/* machine details (see below) */
86 	struct ib_fs	*fstype;	/* file system details (see below) */
87 	const char	*filesystem;	/* name of target file system */
88 	int		 fsfd;		/*  open fd to filesystem */
89 	struct stat	 fsstat;	/*  fstat(2) of fsfd */
90 	const char	*stage1;	/* name of stage1 bootstrap */
91 	int		 s1fd;		/*  open fd to stage1 */
92 	struct stat	 s1stat;	/*  fstat(2) of s1fd */
93 	uint64_t	 s1start;	/*  start block of stage1 */
94 	const char	*stage2;	/* name of stage2 bootstrap */
95 	uint64_t	 s2start;	/*  start block of stage2 */
96 	uint32_t	 sectorsize;	/* sector size of target fs */
97 	const char	*uboot_paths;	/* u-boot paths */
98 		/* parsed -o option=value data */
99 	const char	*command;	/* name of command string */
100 	const char	*console;	/* name of console */
101 	int		 conspeed;	/* console baud rate */
102 	int		 consaddr;	/* console io address */
103 	const char	*password;	/* boot password */
104 	int		 timeout;	/* interactive boot timeout */
105 	const char	*keymap;	/* keyboard translations */
106 	const char	*board;		/* board specification */
107 	const char	*dtb;		/* dtb specification */
108 	const char	*media;		/* boot media type */
109 
110 		/* temporary working data */
111 	void		*mach_data;	/* platform-specific data */
112 } ib_params;
113 
114 typedef struct {
115 	uint64_t	block;
116 	uint32_t	blocksize;
117 } ib_block;
118 
119 struct ib_mach {
120 	const char	*name;
121 	int		(*setboot)	(ib_params *);
122 	int		(*clearboot)	(ib_params *);
123 	int		(*editboot)	(ib_params *);
124 	void		(*usage)	(ib_params *);
125 	ib_flags	valid_flags;
126 	m_flags		mach_flags;
127 };
128 
129 struct ib_fs {
130 		/* compile time parameters */
131 	const char	*name;
132 	int		(*match)	(ib_params *);
133 	int		(*findstage2)	(ib_params *, uint32_t *, ib_block *);
134 		/* run time fs specific parameters */
135 	uint32_t	 blocksize;
136 	uint32_t	 needswap;
137 	off_t		sblockloc;	/* location of superblock */
138 	off_t		offset;		/* file system offset (e.g. RAID) */
139 };
140 
141 typedef enum {
142 	BBINFO_BIG_ENDIAN =	0,
143 	BBINFO_LITTLE_ENDIAN =	1,
144 } bbinfo_endian;
145 
146 struct bbinfo_params {
147 	const char	*magic;		/* magic string to look for */
148 	uint32_t	offset;		/* offset to write start of stage1 */
149 	uint32_t	blocksize;	/* blocksize of stage1 */
150 	uint32_t	maxsize;	/* max size of stage1 */
151 	uint32_t	headeroffset;	/*
152 					 * header offset (relative to offset)
153 					 * to read stage1 into
154 					 */
155 	bbinfo_endian	endian;
156 };
157 
158 extern struct ib_mach	* const machines[];
159 extern struct ib_fs	fstypes[];
160 
161 	/* installboot.c */
162 uint16_t	compute_sunsum(const uint16_t *);
163 int		set_sunsum(ib_params *, uint16_t *, uint16_t);
164 int		no_setboot(ib_params *);
165 int		no_clearboot(ib_params *);
166 int		no_editboot(ib_params *);
167 
168 	/* bbinfo.c */
169 int		shared_bbinfo_clearboot(ib_params *, struct bbinfo_params *,
170 		    int (*)(ib_params *, struct bbinfo_params *, uint8_t *));
171 int		shared_bbinfo_setboot(ib_params *, struct bbinfo_params *,
172 		    int (*)(ib_params *, struct bbinfo_params *, uint8_t *));
173 
174 	/* fstypes.c */
175 int		hardcode_stage2(ib_params *, uint32_t *, ib_block *);
176 int		ffs_match(ib_params *);
177 int		ffs_findstage2(ib_params *, uint32_t *, ib_block *);
178 int		raid_match(ib_params *);
179 int		raw_match(ib_params *);
180 int		raw_findstage2(ib_params *, uint32_t *, ib_block *);
181 int		ext2fs_match(ib_params *);
182 int		ext2fs_findstage2(ib_params *, uint32_t *, ib_block *);
183 
184 	/* machines.c */
185 extern struct ib_mach ib_mach_alpha;
186 extern struct ib_mach ib_mach_amd64;
187 extern struct ib_mach ib_mach_amiga;
188 extern struct ib_mach ib_mach_emips;
189 extern struct ib_mach ib_mach_evbarm;
190 extern struct ib_mach ib_mach_evbmips;
191 extern struct ib_mach ib_mach_ews4800mips;
192 extern struct ib_mach ib_mach_hp300;
193 extern struct ib_mach ib_mach_hppa;
194 extern struct ib_mach ib_mach_i386;
195 extern struct ib_mach ib_mach_landisk;
196 extern struct ib_mach ib_mach_macppc;
197 extern struct ib_mach ib_mach_news68k;
198 extern struct ib_mach ib_mach_newsmips;
199 extern struct ib_mach ib_mach_next68k;
200 extern struct ib_mach ib_mach_pmax;
201 extern struct ib_mach ib_mach_sparc;
202 extern struct ib_mach ib_mach_sparc64;
203 extern struct ib_mach ib_mach_sun2;
204 extern struct ib_mach ib_mach_sun3;
205 extern struct ib_mach ib_mach_vax;
206 extern struct ib_mach ib_mach_x68k;
207 
208 #endif	/* _INSTALLBOOT_H */
209