Home | History | Annotate | Line # | Download | only in include
      1 /*	$NetBSD: disklabel.h,v 1.16 2019/04/03 22:10:49 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
      5  * Copyright (C) 1995, 1996 TooLs GmbH.
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by TooLs GmbH.
     19  * 4. The name of TooLs GmbH may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     27  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     28  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     29  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     30  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     31  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 /*
     34  * Copyright (c) 1994 Christopher G. Demetriou
     35  * All rights reserved.
     36  *
     37  * Redistribution and use in source and binary forms, with or without
     38  * modification, are permitted provided that the following conditions
     39  * are met:
     40  * 1. Redistributions of source code must retain the above copyright
     41  *    notice, this list of conditions and the following disclaimer.
     42  * 2. Redistributions in binary form must reproduce the above copyright
     43  *    notice, this list of conditions and the following disclaimer in the
     44  *    documentation and/or other materials provided with the distribution.
     45  * 3. All advertising materials mentioning features or use of this software
     46  *    must display the following acknowledgement:
     47  *      This product includes software developed by Christopher G. Demetriou.
     48  * 4. The name of the author may not be used to endorse or promote products
     49  *    derived from this software without specific prior written permission
     50  *
     51  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     52  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     53  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     54  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     55  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     56  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     57  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     58  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     59  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     60  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     61  */
     62 /*-
     63  * Copyright (C) 1993	Allen K. Briggs, Chris P. Caputo,
     64  *			Michael L. Finch, Bradley A. Grantham, and
     65  *			Lawrence A. Kesteloot
     66  * All rights reserved.
     67  *
     68  * Redistribution and use in source and binary forms, with or without
     69  * modification, are permitted provided that the following conditions
     70  * are met:
     71  * 1. Redistributions of source code must retain the above copyright
     72  *    notice, this list of conditions and the following disclaimer.
     73  * 2. Redistributions in binary form must reproduce the above copyright
     74  *    notice, this list of conditions and the following disclaimer in the
     75  *    documentation and/or other materials provided with the distribution.
     76  * 3. All advertising materials mentioning features or use of this software
     77  *    must display the following acknowledgement:
     78  *	This product includes software developed by the Alice Group.
     79  * 4. The names of the Alice Group or any of its members may not be used
     80  *    to endorse or promote products derived from this software without
     81  *    specific prior written permission.
     82  *
     83  * THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``AS IS'' AND ANY EXPRESS OR
     84  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     85  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     86  * IN NO EVENT SHALL THE ALICE GROUP BE LIABLE FOR ANY DIRECT, INDIRECT,
     87  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     88  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     89  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     90  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     91  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     92  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     93  *
     94  */
     95 
     96 #ifndef	_MACHINE_DISKLABEL_H_
     97 #define	_MACHINE_DISKLABEL_H_
     98 
     99 #define LABELUSESMBR	1		/* use MBR partitionning */
    100 #define	LABELSECTOR	0		/* sector containing label */
    101 #define	LABELOFFSET	64		/* offset of label in sector */
    102 #define	MBR_LABELSECTOR	1		/* sector containing label - in MBR */
    103 #define	MBR_LABELOFFSET	0		/* offset of label in sector - in MBR */
    104 #define	MAXPARTITIONS	16		/* number of partitions */
    105 #define	RAW_PART	2		/* raw partition: XX?c */
    106 
    107 struct cpu_disklabel {
    108 	daddr_t cd_start;	/* Offset to NetBSD partition in blocks */
    109 	daddr_t cd_labelsector;	/* label sector offset from cd_start */
    110 	int cd_labeloffset;	/* label byte offset within label sector */
    111 };
    112 
    113 /*
    114  * Driver Descriptor Map, from Inside Macintosh: Devices, SCSI Manager
    115  * pp 12-13.  The driver descriptor map always resides on physical block 0.
    116  */
    117 struct drvr_descriptor {
    118 	u_int32_t	descBlock;	/* first block of driver */
    119 	u_int16_t	descSize;	/* driver size in blocks */
    120 	u_int16_t	descType;	/* system type */
    121 };
    122 
    123 /* system types; Apple reserves 0-15 */
    124 #define	DRVR_TYPE_MACINTOSH	1
    125 
    126 struct drvr_map {
    127 #define DRIVER_MAP_MAGIC	0x4552
    128 	u_int16_t	sbSig;		/* map signature */
    129 	u_int16_t	sbBlockSize;	/* block size of device */
    130 	u_int32_t	sbBlkCount;	/* number of blocks on device */
    131 	u_int16_t	sbDevType;	/* (used internally by ROM) */
    132 	u_int16_t	sbDevID;	/* (used internally by ROM) */
    133 	u_int32_t	sbData;		/* (used internally by ROM) */
    134 	u_int16_t	sbDrvrCount;	/* number of driver descriptors */
    135 #define	DRVR_MAX_DESCRIPTORS	61
    136 	struct drvr_descriptor sb_dd[DRVR_MAX_DESCRIPTORS];
    137 	u_int16_t	pad[3];
    138 } __attribute__ ((packed));
    139 
    140 #define	ddBlock(N)	sb_dd[(N)].descBlock
    141 #define	ddSize(N)	sb_dd[(N)].descSize
    142 #define	ddType(N)	sb_dd[(N)].descType
    143 
    144 /*
    145  * Partition map structure from Inside Macintosh: Devices, SCSI Manager
    146  * pp. 13-14.  The partition map always begins on physical block 1.
    147  *
    148  * With the exception of block 0, all blocks on the disk must belong to
    149  * exactly one partition.  The partition map itself belongs to a partition
    150  * of type `APPLE_PARTITION_MAP', and is not limited in size by anything
    151  * other than available disk space.  The partition map is not necessarily
    152  * the first partition listed.
    153  */
    154 struct part_map_entry {
    155 #define PART_ENTRY_MAGIC	0x504d
    156 	u_int16_t	pmSig;		/* partition signature */
    157 	u_int16_t	pmSigPad;	/* (reserved) */
    158 	u_int32_t	pmMapBlkCnt;	/* number of blocks in partition map */
    159 	u_int32_t	pmPyPartStart;	/* first physical block of partition */
    160 	u_int32_t	pmPartBlkCnt;	/* number of blocks in partition */
    161 	char		pmPartName[32];	/* partition name */
    162 	char		pmPartType[32];	/* partition type */
    163 	u_int32_t	pmLgDataStart;	/* first logical block of data area */
    164 	u_int32_t	pmDataCnt;	/* number of blocks in data area */
    165 	u_int32_t	pmPartStatus;	/* partition status information */
    166 	u_int32_t	pmLgBootStart;	/* first logical block of boot code */
    167 	u_int32_t	pmBootSize;	/* size of boot code, in bytes */
    168 	u_int32_t	pmBootLoad;	/* boot code load address */
    169 	u_int32_t	pmBootLoad2;	/* (reserved) */
    170 	u_int32_t	pmBootEntry;	/* boot code entry point */
    171 	u_int32_t	pmBootEntry2;	/* (reserved) */
    172 	u_int32_t	pmBootCksum;	/* boot code checksum */
    173 	char		pmProcessor[16]; /* processor type (e.g. "68020") */
    174 	u_int8_t	pmBootArgs[128]; /* A/UX boot arguments */
    175 	u_int8_t	pad[248];	/* pad to end of block */
    176 };
    177 
    178 #define PART_TYPE_DRIVER	"APPLE_DRIVER"
    179 #define PART_TYPE_DRIVER43	"APPLE_DRIVER43"
    180 #define PART_TYPE_DRIVERATA	"APPLE_DRIVER_ATA"
    181 #define PART_TYPE_DRIVERIOKIT	"APPLE_DRIVER_IOKIT"
    182 #define PART_TYPE_FWDRIVER	"APPLE_FWDRIVER"
    183 #define PART_TYPE_FWB_COMPONENT	"FWB DRIVER COMPONENTS"
    184 #define PART_TYPE_FREE		"APPLE_FREE"
    185 #define PART_TYPE_MAC		"APPLE_HFS"
    186 #define PART_TYPE_APPLEUFS	"APPLE_UFS"
    187 #define PART_TYPE_NETBSD	"NETBSD"
    188 #define PART_TYPE_NBSD_PPCBOOT	"NETBSD/MACPPC"
    189 #define PART_TYPE_NBSD_68KBOOT	"NETBSD/MAC68K"
    190 #define PART_TYPE_PATCHES	"APPLE_PATCHES"
    191 #define PART_TYPE_PARTMAP	"APPLE_PARTITION_MAP"
    192 #define PART_TYPE_SCRATCH	"APPLE_SCRATCH"
    193 #define PART_TYPE_BOOT		"APPLE_BOOT"
    194 #define PART_TYPE_LOADER	"APPLE_LOADER"
    195 #define PART_TYPE_UNIX		"APPLE_UNIX_SVR2"
    196 #define PART_TYPE_LINUX	"LINUX"
    197 #define PART_TYPE_LINUX_SWAP	"LINUX_SWAP"
    198 
    199 /*
    200  * "pmBootArgs" for APPLE_UNIX_SVR2 partition.
    201  * NetBSD/mac68k only uses Magic, Cluster, Type, and Flags.
    202  */
    203 struct blockzeroblock {
    204 	u_int32_t       bzbMagic;
    205 	u_int8_t        bzbCluster;
    206 	u_int8_t        bzbType;
    207 	u_int16_t       bzbBadBlockInode;
    208 	u_int16_t       bzbFlags;
    209 	u_int16_t       bzbReserved;
    210 	u_int32_t       bzbCreationTime;
    211 	u_int32_t       bzbMountTime;
    212 	u_int32_t       bzbUMountTime;
    213 };
    214 #define bzbFSType	bzbType
    215 #define bzbFrag		bzbCluster
    216 #define bzbCPG		bzbBadBlockInode	/* Also sgs for LFS */
    217 #define bzbFSize	bzbCreationTime
    218 
    219 /* Apple occasionally changes these */
    220 #define BZB_MAGIC	0xABADBABE
    221 #define BZB_TYPEFS	1
    222 #define BZB_TYPESWAP	3
    223 #define BZB_ROOTFS	0x8000
    224 #define BZB_USRFS	0x4000
    225 #define BZB_USRFS_NEW	0x0004
    226 
    227 #define __HAVE_SETDISKLABEL
    228 
    229 #endif	/* _MACHINE_DISKLABEL_H_ */
    230