xref: /netbsd-src/usr.sbin/installboot/installboot.h (revision 53b02e147d4ed531c0d2a5ca9b3e8026ba3e99b5)
1 /*	$NetBSD: installboot.h,v 1.42 2020/06/21 17:17:02 thorpej 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 		/* parsed -o option=value data */
98 	const char	*command;	/* name of command string */
99 	const char	*console;	/* name of console */
100 	int		 conspeed;	/* console baud rate */
101 	int		 consaddr;	/* console io address */
102 	const char	*password;	/* boot password */
103 	int		 timeout;	/* interactive boot timeout */
104 	const char	*keymap;	/* keyboard translations */
105 	const char	*board;		/* board specification */
106 	const char	*dtb;		/* dtb specification */
107 	const char	*media;		/* boot media type */
108 
109 		/* temporary working data */
110 	void		*mach_data;	/* platform-specific data */
111 } ib_params;
112 
113 typedef struct {
114 	uint64_t	block;
115 	uint32_t	blocksize;
116 } ib_block;
117 
118 struct ib_mach {
119 	const char	*name;
120 	int		(*setboot)	(ib_params *);
121 	int		(*clearboot)	(ib_params *);
122 	int		(*editboot)	(ib_params *);
123 	void		(*usage)	(ib_params *);
124 	ib_flags	valid_flags;
125 	m_flags		mach_flags;
126 };
127 
128 struct ib_fs {
129 		/* compile time parameters */
130 	const char	*name;
131 	int		(*match)	(ib_params *);
132 	int		(*findstage2)	(ib_params *, uint32_t *, ib_block *);
133 		/* run time fs specific parameters */
134 	uint32_t	 blocksize;
135 	uint32_t	 needswap;
136 	off_t		sblockloc;	/* location of superblock */
137 	off_t		offset;		/* file system offset (e.g. RAID) */
138 };
139 
140 typedef enum {
141 	BBINFO_BIG_ENDIAN =	0,
142 	BBINFO_LITTLE_ENDIAN =	1,
143 } bbinfo_endian;
144 
145 struct bbinfo_params {
146 	const char	*magic;		/* magic string to look for */
147 	uint32_t	offset;		/* offset to write start of stage1 */
148 	uint32_t	blocksize;	/* blocksize of stage1 */
149 	uint32_t	maxsize;	/* max size of stage1 */
150 	uint32_t	headeroffset;	/*
151 					 * header offset (relative to offset)
152 					 * to read stage1 into
153 					 */
154 	bbinfo_endian	endian;
155 };
156 
157 extern struct ib_mach	* const machines[];
158 extern struct ib_fs	fstypes[];
159 
160 	/* installboot.c */
161 uint16_t	compute_sunsum(const uint16_t *);
162 int		set_sunsum(ib_params *, uint16_t *, uint16_t);
163 int		no_setboot(ib_params *);
164 int		no_clearboot(ib_params *);
165 int		no_editboot(ib_params *);
166 
167 	/* bbinfo.c */
168 int		shared_bbinfo_clearboot(ib_params *, struct bbinfo_params *,
169 		    int (*)(ib_params *, struct bbinfo_params *, uint8_t *));
170 int		shared_bbinfo_setboot(ib_params *, struct bbinfo_params *,
171 		    int (*)(ib_params *, struct bbinfo_params *, uint8_t *));
172 
173 	/* fstypes.c */
174 int		hardcode_stage2(ib_params *, uint32_t *, ib_block *);
175 int		ffs_match(ib_params *);
176 int		ffs_findstage2(ib_params *, uint32_t *, ib_block *);
177 int		raid_match(ib_params *);
178 int		raw_match(ib_params *);
179 int		raw_findstage2(ib_params *, uint32_t *, ib_block *);
180 int		ext2fs_match(ib_params *);
181 int		ext2fs_findstage2(ib_params *, uint32_t *, ib_block *);
182 
183 	/* machines.c */
184 extern struct ib_mach ib_mach_alpha;
185 extern struct ib_mach ib_mach_amd64;
186 extern struct ib_mach ib_mach_amiga;
187 extern struct ib_mach ib_mach_emips;
188 extern struct ib_mach ib_mach_evbarm;
189 extern struct ib_mach ib_mach_evbmips;
190 extern struct ib_mach ib_mach_ews4800mips;
191 extern struct ib_mach ib_mach_hp300;
192 extern struct ib_mach ib_mach_hppa;
193 extern struct ib_mach ib_mach_i386;
194 extern struct ib_mach ib_mach_landisk;
195 extern struct ib_mach ib_mach_macppc;
196 extern struct ib_mach ib_mach_news68k;
197 extern struct ib_mach ib_mach_newsmips;
198 extern struct ib_mach ib_mach_next68k;
199 extern struct ib_mach ib_mach_pmax;
200 extern struct ib_mach ib_mach_sparc;
201 extern struct ib_mach ib_mach_sparc64;
202 extern struct ib_mach ib_mach_sun2;
203 extern struct ib_mach ib_mach_sun3;
204 extern struct ib_mach ib_mach_vax;
205 extern struct ib_mach ib_mach_x68k;
206 
207 #endif	/* _INSTALLBOOT_H */
208