1/* $NetBSD: md.h,v 1.24 2011/04/04 08:30:34 mbalmer Exp $ */ 2 3/* 4 * Copyright 1997 Piermont Information Systems Inc. 5 * All rights reserved. 6 * 7 * Written by Philip A. Nelson for Piermont Information Systems Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of Piermont Information Systems Inc. may not be used to endorse 18 * or promote products derived from this software without specific prior 19 * written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS'' 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31 * THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35#include <sys/disklabel.h> 36#include <sys/bootblock.h> 37 38/* md.h -- Machine specific definitions for the mac68k */ 39 40/* 41 * Apple Partition Map Types 42 * Reserved - Entry hidden by sysinst from user 43 * NetBSD - Entry used for NetBSD 44 * MacOS - Entry used for MacOS and mapped to NetBSD 45 * Other - Entry use unknown, mapped for scratch. This may 46 * include partitions used by other systems (Linux). 47 */ 48#define MAP_EOL 0 49#define MAP_RESERVED 1 50#define MAP_NETBSD 2 51#define MAP_MACOS 3 52#define MAP_OTHER 4 53 54typedef struct { 55 int type; /* Entry type from above */ 56 const char *name; /* Partition Type string */ 57} MAP_TYPE; 58 59/* 60 * Define Apple Partition Map types typically seen on 68k Macs 61 * This should match the definitions in include/machine/disklabel.h 62 * and must conform to the matching rules in arch/mac68k/mac68k/disksubr.c 63 */ 64extern MAP_TYPE map_types[]; 65 66/* 67 * Define NetBSD partition types 68 */ 69#define ROOT_PART 1 70#define UFS_PART 2 71#define SWAP_PART 3 72#define HFS_PART 4 73#define SCRATCH_PART 5 74 75int usefull; /* on install, clobber entire disk */ 76 77typedef struct { 78 int size; /* number of blocks in map for I/O */ 79 int in_use_cnt; /* number of block in current use in map */ 80 int usable_cnt; /* number of partitions usable by NetBSD */ 81 int hfs_cnt; /* number of MacOS partitions found */ 82 int root_cnt; /* number of root partitions in map */ 83 int swap_cnt; /* number of swap partitions in map */ 84 int usr_cnt; /* number of usr partitions in map */ 85 int selected; /* current partition selection in mblk */ 86 int mblk[MAXPARTITIONS];/* map block number of usable partition */ 87 struct apple_part_map_entry *blk; 88} MAP; 89 90/* 91 * Define the default size for the Disk Partition Map if we have to 92 * write one to the disk. It should be a power of two minus one for 93 * the Block0 block, i.e. 7, 15, 31, 63. 94 */ 95#define NEW_MAP_SIZE 15 96 97MAP map; 98 99/* constants and defines */ 100 101/* 102 * The Block Zero Block is stored in the Partition Map Entry in the 103 * pmPad (or pmBootArgs) area. The current NetBSD definition of this 104 * area is incomplete, so we have our own local definition here. 105 */ 106typedef struct { 107 u_int32_t magic; /* magic number that identifes Block Zero Block */ 108 u_int8_t cluster; /* Autorecovery cluster grouping */ 109 u_int8_t type; /* 1=>Std FS, 2=>Autorecovery FS, 3=>SWAP FS */ 110 u_int16_t inode; /* bad block inode number */ 111 struct { 112 unsigned int root : 1; /* FS contains a Root FS */ 113 unsigned int usr : 1; /* FS contains a Usr FS */ 114 unsigned int crit : 1; /* FS contains a "Critical"? FS */ 115 unsigned int used : 1; /* FS in use */ 116 unsigned int : 7; 117 unsigned int slice : 5; /* Slice number to assocate with plus one */ 118 unsigned int part : 16; /* reserved, but we'll hide disk part here */ 119 } flags; 120 u_int32_t tmade; /* time FS was created */ 121 u_int32_t tmount; /* time of last mount */ 122 u_int32_t tumount; /* time of last umount */ 123 struct { 124 u_int32_t size; /* size of map in bytes */ 125 u_int32_t ents; /* number of used entries */ 126 u_int32_t start; /* start of cltblk map */ 127 } abm; /* altblk map */ 128 u_int32_t filler[7]; /* reserved for abm expansion */ 129 u_int8_t mount_point[64]; /* mount point for the FS */ 130} EBZB; 131 132/* 133 * Also define Block 0 on the device. We only use this when we have to 134 * initialize the entire disk and then we really only care about the 135 * Signature word, but someday someone might want to fill in other 136 * parts. 137 */ 138typedef struct { 139 unsigned short sbSig; /* unique value for SCSI block 0 */ 140 unsigned short sbBlkSize; /* block size of device */ 141 unsigned long sbBlkCount; /* number of blocks on device */ 142 unsigned short sbDevType; /* device type */ 143 unsigned short sbDevId; /* device id */ 144 unsigned long sbData; /* not used */ 145 unsigned short sbDrvrCount; /* driver descriptor count */ 146 unsigned long ddBlock; /* 1st driver's starting block */ 147 unsigned short ddSize; /* size of 1st driver (512-byte blks) */ 148 unsigned short ddType; /* system type (1 for Mac+) */ 149 unsigned short ddPad[243]; /* ARRAY[0..242] OF INTEGER; not used */ 150} Block0; 151 152/* 153 * Default Disk Partition Map used for an uninitilized disk. 154 * Has minimal entry for an old Apple SCSI driver, a newer 43 SCSI 155 * driver and an IDE driver (for those Macs with IDE). 156 */ 157extern struct apple_part_map_entry new_map[]; 158 159/* Megs required for a full X installation. */ 160#define XNEEDMB 50 161 162/* 163 * Machine-specific command to write a new label to a disk. 164 * For example, i386 uses "/sbin/disklabel -w -r", just like i386 165 * miniroot scripts, though this may leave a bogus incore label. 166 * Sun ports should probably use DISKLABEL_CMD "/sbin/disklabel -w" 167 * to get incore to ondisk inode translation for the Sun proms. 168 * If not defined, we assume the port does not support disklabels and 169 * hand-edited disklabel will NOT be written by MI code. 170 * 171 * The mac68k port doesn't support real disklabels so we don't define the 172 * command string. The Apple Disk Partition Map gets written in the 173 * md_pre_disklabel() routine, which also forces the incore copy to be 174 * updated. If native disklabels are supported or if disklabel() is 175 * fixed to work for writing labels, this command should be defined 176 * to a value that will force the writing of the label. In that case, 177 * the code in md_pre_disklabel() which forces the incore update can be 178 * removed, though its presence won't hurt. 179 * 180 * #define DISKLABEL_CMD 181 */ 182 183/* Definition of files to retrieve from ftp. */ 184#define SET_KERNEL_1_NAME "kern-GENERIC" 185#define SET_KERNEL_2_NAME "kern-GENERICSBC" 186 187extern void sortmerge(void); 188extern void disp_selected_part(int); 189extern void reset_part_flags(struct apple_part_map_entry *); 190extern int whichType(struct apple_part_map_entry *); 191extern void report_errors(void); 192