/* $NetBSD: md.h,v 1.2 2018/11/18 10:34:46 martin Exp $ */
/*
* Copyright 1997 Piermont Information Systems Inc.
* All rights reserved.
*
* Written by Philip A. Nelson for Piermont Information Systems Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of Piermont Information Systems Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/* md.h -- Machine specific definitions for the mac68k */
/*
* Apple Partition Map Types
* Reserved - Entry hidden by sysinst from user
* NetBSD - Entry used for NetBSD
* MacOS - Entry used for MacOS and mapped to NetBSD
* Other - Entry use unknown, mapped for scratch. This may
* include partitions used by other systems (Linux).
*/
#define MAP_EOL 0
#define MAP_RESERVED 1
#define MAP_NETBSD 2
#define MAP_MACOS 3
#define MAP_OTHER 4
typedef struct {
int type; /* Entry type from above */
const char *name; /* Partition Type string */
} MAP_TYPE;
/*
* Define Apple Partition Map types typically seen on 68k Macs
* This should match the definitions in include/machine/disklabel.h
* and must conform to the matching rules in arch/mac68k/mac68k/disksubr.c
*/
extern MAP_TYPE map_types[];
int usefull; /* on install, clobber entire disk */
typedef struct {
int size; /* number of blocks in map for I/O */
int in_use_cnt; /* number of block in current use in map */
int usable_cnt; /* number of partitions usable by NetBSD */
int hfs_cnt; /* number of MacOS partitions found */
int root_cnt; /* number of root partitions in map */
int swap_cnt; /* number of swap partitions in map */
int usr_cnt; /* number of usr partitions in map */
int selected; /* current partition selection in mblk */
int mblk[MAXPARTITIONS];/* map block number of usable partition */
struct apple_part_map_entry *blk;
} MAP;
/*
* Define the default size for the Disk Partition Map if we have to
* write one to the disk. It should be a power of two minus one for
* the Block0 block, i.e. 7, 15, 31, 63.
*/
#define NEW_MAP_SIZE 15
MAP map;
/* constants and defines */
/*
* The Block Zero Block is stored in the Partition Map Entry in the
* pmPad (or pmBootArgs) area. The current NetBSD definition of this
* area is incomplete, so we have our own local definition here.
*/
typedef struct {
u_int32_t magic; /* magic number that identifes Block Zero Block */
u_int8_t cluster; /* Autorecovery cluster grouping */
u_int8_t type; /* 1=>Std FS, 2=>Autorecovery FS, 3=>SWAP FS */
u_int16_t inode; /* bad block inode number */
struct {
unsigned int root : 1; /* FS contains a Root FS */
unsigned int usr : 1; /* FS contains a Usr FS */
unsigned int crit : 1; /* FS contains a "Critical"? FS */
unsigned int used : 1; /* FS in use */
unsigned int : 7;
unsigned int slice : 5; /* Slice number to assocate with plus one */
unsigned int part : 16; /* reserved, but we'll hide disk part here */
} flags;
u_int32_t tmade; /* time FS was created */
u_int32_t tmount; /* time of last mount */
u_int32_t tumount; /* time of last umount */
struct {
u_int32_t size; /* size of map in bytes */
u_int32_t ents; /* number of used entries */
u_int32_t start; /* start of cltblk map */
} abm; /* altblk map */
u_int32_t filler[7]; /* reserved for abm expansion */
u_int8_t mount_point[64]; /* mount point for the FS */
} EBZB;
/*
* Also define Block 0 on the device. We only use this when we have to
* initialize the entire disk and then we really only care about the
* Signature word, but someday someone might want to fill in other
* parts.
*/
typedef struct {
unsigned short sbSig; /* unique value for SCSI block 0 */
unsigned short sbBlkSize; /* block size of device */
unsigned long sbBlkCount; /* number of blocks on device */
unsigned short sbDevType; /* device type */
unsigned short sbDevId; /* device id */
unsigned long sbData; /* not used */
unsigned short sbDrvrCount; /* driver descriptor count */
unsigned long ddBlock; /* 1st driver's starting block */
unsigned short ddSize; /* size of 1st driver (512-byte blks) */
unsigned short ddType; /* system type (1 for Mac+) */
unsigned short ddPad[243]; /* ARRAY[0..242] OF INTEGER; not used */
} Block0;
/*
* Default Disk Partition Map used for an uninitilized disk.
* Has minimal entry for an old Apple SCSI driver, a newer 43 SCSI
* driver and an IDE driver (for those Macs with IDE).
*/
extern struct apple_part_map_entry new_map[];
/* Megs for the / partition, if separate */
#define DEFROOTSIZE 60
/* Megs required for a full X installation. */
#define XNEEDMB 225
/*
* Machine-specific command to write a new label to a disk.
* For example, i386 uses "/sbin/disklabel -w -r", just like i386
* miniroot scripts, though this may leave a bogus incore label.
* Sun ports should probably use DISKLABEL_CMD "/sbin/disklabel -w"
* to get incore to ondisk inode translation for the Sun proms.
* If not defined, we assume the port does not support disklabels and
* hand-edited disklabel will NOT be written by MI code.
*
* The mac68k port doesn't support real disklabels so we don't define the
* command string. The Apple Disk Partition Map gets written in the
* md_pre_disklabel() routine, which also forces the incore copy to be
* updated. If native disklabels are supported or if disklabel() is
* fixed to work for writing labels, this command should be defined
* to a value that will force the writing of the label. In that case,
* the code in md_pre_disklabel() which forces the incore update can be
* removed, though its presence won't hurt.
*
* #define DISKLABEL_CMD
*/
/* Definition of files to retrieve from ftp. */
#define SET_KERNEL_1_NAME "kern-GENERIC"
#define SET_KERNEL_2_NAME "kern-GENERICSBC"
