211 lines
9.1 KiB
C
211 lines
9.1 KiB
C
/* $NetBSD: disklabel.h,v 1.4 1999/09/27 17:02:43 wrstuden Exp $ */
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/*-
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* Copyright (C) 1995, 1996 Wolfgang Solfrank.
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* Copyright (C) 1995, 1996 TooLs GmbH.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by TooLs GmbH.
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* 4. The name of TooLs GmbH may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1994 Christopher G. Demetriou
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christopher G. Demetriou.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*-
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* Copyright (C) 1993 Allen K. Briggs, Chris P. Caputo,
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* Michael L. Finch, Bradley A. Grantham, and
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* Lawrence A. Kesteloot
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the Alice Group.
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* 4. The names of the Alice Group or any of its members may not be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE ALICE GROUP BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef _MACHINE_DISKLABEL_H_
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#define _MACHINE_DISKLABEL_H_
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#define LABELSECTOR 0 /* sector containing label */
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#define LABELOFFSET 64 /* offset of label in sector */
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#define MAXPARTITIONS 16 /* number of partitions */
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#define RAW_PART 2 /* raw partition: XX?c */
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struct cpu_disklabel {
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int cd_start; /* Offset to NetBSD partition in blocks */
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};
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/*
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* Driver Descriptor Map, from Inside Macintosh: Devices, SCSI Manager
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* pp 12-13. The driver descriptor map always resides on physical block 0.
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*/
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struct drvr_descriptor {
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u_int32_t descBlock; /* first block of driver */
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u_int16_t descSize; /* driver size in blocks */
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u_int16_t descType; /* system type */
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};
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/* system types; Apple reserves 0-15 */
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#define DRVR_TYPE_MACINTOSH 1
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struct drvr_map {
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#define DRIVER_MAP_MAGIC 0x4552
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u_int16_t sbSig; /* map signature */
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u_int16_t sbBlockSize; /* block size of device */
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u_int32_t sbBlkCount; /* number of blocks on device */
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u_int16_t sbDevType; /* (used internally by ROM) */
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u_int16_t sbDevID; /* (used internally by ROM) */
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u_int32_t sbData; /* (used internally by ROM) */
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u_int16_t sbDrvrCount; /* number of driver descriptors */
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#define DRVR_MAX_DESCRIPTORS 61
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struct drvr_descriptor sb_dd[DRVR_MAX_DESCRIPTORS];
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u_int16_t pad[3];
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} __attribute__ ((packed));
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#define ddBlock(N) sb_dd[(N)].descBlock
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#define ddSize(N) sb_dd[(N)].descSize
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#define ddType(N) sb_dd[(N)].descType
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/*
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* Partition map structure from Inside Macintosh: Devices, SCSI Manager
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* pp. 13-14. The partition map always begins on physical block 1.
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*
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* With the exception of block 0, all blocks on the disk must belong to
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* exactly one partition. The partition map itself belongs to a partition
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* of type `APPLE_PARTITION_MAP', and is not limited in size by anything
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* other than available disk space. The partition map is not necessarily
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* the first partition listed.
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*/
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struct part_map_entry {
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#define PART_ENTRY_MAGIC 0x504d
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u_int16_t pmSig; /* partition signature */
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u_int16_t pmSigPad; /* (reserved) */
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u_int32_t pmMapBlkCnt; /* number of blocks in partition map */
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u_int32_t pmPyPartStart; /* first physical block of partition */
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u_int32_t pmPartBlkCnt; /* number of blocks in partition */
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char pmPartName[32]; /* partition name */
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char pmPartType[32]; /* partition type */
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u_int32_t pmLgDataStart; /* first logical block of data area */
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u_int32_t pmDataCnt; /* number of blocks in data area */
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u_int32_t pmPartStatus; /* partition status information */
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u_int32_t pmLgBootStart; /* first logical block of boot code */
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u_int32_t pmBootSize; /* size of boot code, in bytes */
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u_int32_t pmBootLoad; /* boot code load address */
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u_int32_t pmBootLoad2; /* (reserved) */
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u_int32_t pmBootEntry; /* boot code entry point */
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u_int32_t pmBootEntry2; /* (reserved) */
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u_int32_t pmBootCksum; /* boot code checksum */
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char pmProcessor[16]; /* processor type (e.g. "68020") */
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u_int8_t pmBootArgs[128]; /* A/UX boot arguments */
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u_int8_t pad[248]; /* pad to end of block */
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};
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#define PART_TYPE_DRIVER "APPLE_DRIVER"
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#define PART_TYPE_DRIVER43 "APPLE_DRIVER43"
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#define PART_TYPE_DRIVERATA "APPLE_DRIVER_ATA"
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#define PART_TYPE_FWB_COMPONENT "FWB DRIVER COMPONENTS"
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#define PART_TYPE_MAC "APPLE_HFS"
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#define PART_TYPE_NETBSD "NETBSD"
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#define PART_TYPE_PARTMAP "APPLE_PARTITION_MAP"
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#define PART_TYPE_SCRATCH "APPLE_SCRATCH"
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#define PART_TYPE_UNIX "APPLE_UNIX_SVR2"
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/*
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* "pmBootArgs" for APPLE_UNIX_SVR2 partition.
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* NetBSD/mac68k only uses Magic, Cluster, Type, and Flags.
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*/
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struct blockzeroblock {
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u_int32_t bzbMagic;
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u_int8_t bzbCluster;
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u_int8_t bzbType;
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u_int16_t bzbBadBlockInode;
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u_int16_t bzbFlags;
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u_int16_t bzbReserved;
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u_int32_t bzbCreationTime;
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u_int32_t bzbMountTime;
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u_int32_t bzbUMountTime;
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};
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#define BZB_MAGIC 0xABADBABE
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#define BZB_TYPEFS 1
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#define BZB_TYPESWAP 3
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#define BZB_ROOTFS 0x8000
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#define BZB_USRFS 0x4000
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#ifdef _KERNEL
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struct disklabel;
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int bounds_check_with_label __P((struct buf *bp, struct disklabel *lp, int wlabel));
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#endif /* _KERNEL */
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#endif /* _MACHINE_DISKLABEL_H_ */
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