1 /* $NetBSD: installboot.h,v 1.37 2010/01/14 17:49:32 drochner 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 } 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 uint32_t sectorsize; /* sector size of target fs */ 86 /* parsed -o option=value data */ 87 const char *command; /* name of command string */ 88 const char *console; /* name of console */ 89 int conspeed; /* console baud rate */ 90 int consaddr; /* console io address */ 91 const char *password; /* boot password */ 92 int timeout; /* interactive boot timeout */ 93 const char *keymap; /* keyboard translations */ 94 } ib_params; 95 96 typedef struct { 97 uint64_t block; 98 uint32_t blocksize; 99 } ib_block; 100 101 struct ib_mach { 102 const char *name; 103 int (*setboot) (ib_params *); 104 int (*clearboot) (ib_params *); 105 int (*editboot) (ib_params *); 106 ib_flags valid_flags; 107 }; 108 109 struct ib_fs { 110 /* compile time parameters */ 111 const char *name; 112 int (*match) (ib_params *); 113 int (*findstage2) (ib_params *, uint32_t *, ib_block *); 114 /* run time fs specific parameters */ 115 uint32_t blocksize; 116 uint32_t needswap; 117 off_t sblockloc; /* location of superblock */ 118 off_t offset; /* file system offset (e.g. RAID) */ 119 }; 120 121 typedef enum { 122 BBINFO_BIG_ENDIAN = 0, 123 BBINFO_LITTLE_ENDIAN = 1, 124 } bbinfo_endian; 125 126 struct bbinfo_params { 127 const char *magic; /* magic string to look for */ 128 uint32_t offset; /* offset to write start of stage1 */ 129 uint32_t blocksize; /* blocksize of stage1 */ 130 uint32_t maxsize; /* max size of stage1 */ 131 uint32_t headeroffset; /* 132 * header offset (relative to offset) 133 * to read stage1 into 134 */ 135 bbinfo_endian endian; 136 }; 137 138 extern struct ib_mach *machines[]; 139 extern struct ib_fs fstypes[]; 140 141 /* installboot.c */ 142 uint16_t compute_sunsum(const uint16_t *); 143 int set_sunsum(ib_params *, uint16_t *, uint16_t); 144 int no_setboot(ib_params *); 145 int no_clearboot(ib_params *); 146 int no_editboot(ib_params *); 147 148 /* bbinfo.c */ 149 int shared_bbinfo_clearboot(ib_params *, struct bbinfo_params *, 150 int (*)(ib_params *, struct bbinfo_params *, uint8_t *)); 151 int shared_bbinfo_setboot(ib_params *, struct bbinfo_params *, 152 int (*)(ib_params *, struct bbinfo_params *, uint8_t *)); 153 154 /* fstypes.c */ 155 int hardcode_stage2(ib_params *, uint32_t *, ib_block *); 156 int ffs_match(ib_params *); 157 int ffs_findstage2(ib_params *, uint32_t *, ib_block *); 158 int raid_match(ib_params *); 159 int raw_match(ib_params *); 160 int raw_findstage2(ib_params *, uint32_t *, ib_block *); 161 int ext2fs_match(ib_params *); 162 int ext2fs_findstage2(ib_params *, uint32_t *, ib_block *); 163 164 /* machines.c */ 165 extern struct ib_mach ib_mach_alpha; 166 extern struct ib_mach ib_mach_amd64; 167 extern struct ib_mach ib_mach_amiga; 168 extern struct ib_mach ib_mach_ews4800mips; 169 extern struct ib_mach ib_mach_hp300; 170 extern struct ib_mach ib_mach_hp700; 171 extern struct ib_mach ib_mach_i386; 172 extern struct ib_mach ib_mach_landisk; 173 extern struct ib_mach ib_mach_macppc; 174 extern struct ib_mach ib_mach_news68k; 175 extern struct ib_mach ib_mach_newsmips; 176 extern struct ib_mach ib_mach_next68k; 177 extern struct ib_mach ib_mach_pmax; 178 extern struct ib_mach ib_mach_sparc; 179 extern struct ib_mach ib_mach_sparc64; 180 extern struct ib_mach ib_mach_sun2; 181 extern struct ib_mach ib_mach_sun3; 182 extern struct ib_mach ib_mach_vax; 183 extern struct ib_mach ib_mach_x68k; 184 185 #endif /* _INSTALLBOOT_H */ 186