installboot.h revision 1.19 1 /* $NetBSD: installboot.h,v 1.19 2003/04/15 14:22:13 dsl 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 #include "../../sys/sys/bootblock.h"
45 #else
46 #include <sys/bootblock.h>
47 #endif
48
49 #include <sys/stat.h>
50 #include <stdint.h>
51
52 typedef enum {
53 /* flags from global options */
54 IB_VERBOSE = 1<<0, /* verbose operation */
55 IB_NOWRITE = 1<<1, /* don't write */
56 IB_CLEAR = 1<<2, /* clear boot block */
57
58 /* flags from -o options */
59 IB_ALPHASUM = 1<<8, /* set Alpha checksum */
60 IB_APPEND = 1<<9, /* append stage 1 to EO(regular)F */
61 IB_SUNSUM = 1<<10, /* set Sun checksum */
62 IB_STAGE1START= 1<<11, /* start block for stage 1 provided */
63 IB_STAGE2START= 1<<12, /* start block for stage 2 provided */
64 IB_COMMAND = 1<<13, /* Amiga commandline option */
65 IB_RESETVIDEO = 1<<14, /* i386 reset video */
66 IB_CONSOLE = 1<<15, /* i386 console */
67 IB_CONSPEED = 1<<16, /* i386 console baud rate */
68 IB_TIMEOUT = 1<<17, /* i386 boot timeout */
69 IB_PASSWORD = 1<<18, /* i386 boot password */
70 } ib_flags;
71
72 typedef 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 const char *password; /* boot password */
90 int timeout; /* interactive boot timeout */
91 } ib_params;
92
93 typedef struct {
94 uint64_t block;
95 uint32_t blocksize;
96 } ib_block;
97
98 struct ib_mach {
99 const char *name;
100 int (*setboot) (ib_params *);
101 int (*clearboot) (ib_params *);
102 ib_flags valid_flags;
103 };
104
105 struct ib_fs {
106 /* compile time parameters */
107 const char *name;
108 int (*match) (ib_params *);
109 int (*findstage2) (ib_params *, uint32_t *, ib_block *);
110 /* run time fs specific parameters */
111 uint32_t blocksize;
112 uint32_t needswap;
113 off_t sblockloc; /* location of superblock */
114 };
115
116 typedef enum {
117 BBINFO_BIG_ENDIAN = 0,
118 BBINFO_LITTLE_ENDIAN = 1,
119 } bbinfo_endian;
120
121 struct bbinfo_params {
122 const char *magic; /* magic string to look for */
123 uint32_t offset; /* offset to write start of stage1 */
124 uint32_t blocksize; /* blocksize of stage1 */
125 uint32_t maxsize; /* max size of stage1 */
126 uint32_t headeroffset; /*
127 * header offset (relative to offset)
128 * to read stage1 into
129 */
130 bbinfo_endian endian;
131 };
132
133 extern struct ib_mach machines[];
134 extern struct ib_fs fstypes[];
135
136 /* installboot.c */
137 uint16_t compute_sunsum(const uint16_t *);
138 int set_sunsum(ib_params *, uint16_t *, uint16_t);
139 int no_setboot(ib_params *);
140 int no_clearboot(ib_params *);
141
142 /* bbinfo.c */
143 int shared_bbinfo_clearboot(ib_params *, struct bbinfo_params *,
144 int (*)(ib_params *, struct bbinfo_params *, uint8_t *));
145 int shared_bbinfo_setboot(ib_params *, struct bbinfo_params *,
146 int (*)(ib_params *, struct bbinfo_params *, uint8_t *));
147
148 /* fstypes.c */
149 int hardcode_stage2(ib_params *, uint32_t *, ib_block *);
150 int ffs_match(ib_params *);
151 int ffs_findstage2(ib_params *, uint32_t *, ib_block *);
152 int raw_match(ib_params *);
153 int raw_findstage2(ib_params *, uint32_t *, ib_block *);
154
155 /* machines.c */
156 int alpha_setboot(ib_params *);
157 int alpha_clearboot(ib_params *);
158 int amiga_setboot(ib_params *);
159 int i386_setboot(ib_params *);
160 int macppc_setboot(ib_params *);
161 int macppc_clearboot(ib_params *);
162 int news68k_setboot(ib_params *);
163 int news68k_clearboot(ib_params *);
164 int newsmips_setboot(ib_params *);
165 int newsmips_clearboot(ib_params *);
166 int pmax_setboot(ib_params *);
167 int pmax_clearboot(ib_params *);
168 int sparc_setboot(ib_params *);
169 int sparc_clearboot(ib_params *);
170 int sparc64_setboot(ib_params *);
171 int sparc64_clearboot(ib_params *);
172 int sun68k_setboot(ib_params *);
173 int sun68k_clearboot(ib_params *);
174 int vax_setboot(ib_params *);
175 int vax_clearboot(ib_params *);
176 int x68k_setboot(ib_params *);
177 int x68k_clearboot(ib_params *);
178
179 #endif /* _INSTALLBOOT_H */
180