/* $NetBSD: disklabel.h,v 1.15 2011/08/30 12:39:56 bouyer Exp $ */ /*- * Copyright (C) 1995, 1996 Wolfgang Solfrank. * Copyright (C) 1995, 1996 TooLs GmbH. * All rights reserved. * * 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 * notice, this list of conditions and the following disclaimer. * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by TooLs GmbH. * 4. The name of TooLs GmbH may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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. */ /* * Copyright (c) 1994 Christopher G. Demetriou * All rights reserved. * * 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 * notice, this list of conditions and the following disclaimer. * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Christopher G. Demetriou. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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. */ /*- * Copyright (C) 1993 Allen K. Briggs, Chris P. Caputo, * Michael L. Finch, Bradley A. Grantham, and * Lawrence A. Kesteloot * All rights reserved. * * 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 * notice, this list of conditions and the following disclaimer. * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the Alice Group. * 4. The names of the Alice Group or any of its members may not be used * to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``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 THE ALICE GROUP 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. * */ #ifndef _MACHINE_DISKLABEL_H_ #define _MACHINE_DISKLABEL_H_ #define LABELUSESMBR 1 /* use MBR partitionning */ #define LABELSECTOR 0 /* sector containing label */ #define LABELOFFSET 64 /* offset of label in sector */ #define MBR_LABELSECTOR 1 /* sector containing label - in MBR */ #define MBR_LABELOFFSET 0 /* offset of label in sector - in MBR */ #define MAXPARTITIONS 16 /* number of partitions */ #define RAW_PART 2 /* raw partition: XX?c */ struct cpu_disklabel { daddr_t cd_start; /* Offset to NetBSD partition in blocks */ daddr_t cd_labelsector; /* label sector offset from cd_start */ int cd_labeloffset; /* label byte offset within label sector */ }; /* * Driver Descriptor Map, from Inside Macintosh: Devices, SCSI Manager * pp 12-13. The driver descriptor map always resides on physical block 0. */ struct drvr_descriptor { u_int32_t descBlock; /* first block of driver */ u_int16_t descSize; /* driver size in blocks */ u_int16_t descType; /* system type */ }; /* system types; Apple reserves 0-15 */ #define DRVR_TYPE_MACINTOSH 1 struct drvr_map { #define DRIVER_MAP_MAGIC 0x4552 u_int16_t sbSig; /* map signature */ u_int16_t sbBlockSize; /* block size of device */ u_int32_t sbBlkCount; /* number of blocks on device */ u_int16_t sbDevType; /* (used internally by ROM) */ u_int16_t sbDevID; /* (used internally by ROM) */ u_int32_t sbData; /* (used internally by ROM) */ u_int16_t sbDrvrCount; /* number of driver descriptors */ #define DRVR_MAX_DESCRIPTORS 61 struct drvr_descriptor sb_dd[DRVR_MAX_DESCRIPTORS]; u_int16_t pad[3]; } __attribute__ ((packed)); #define ddBlock(N) sb_dd[(N)].descBlock #define ddSize(N) sb_dd[(N)].descSize #define ddType(N) sb_dd[(N)].descType /* * Partition map structure from Inside Macintosh: Devices, SCSI Manager * pp. 13-14. The partition map always begins on physical block 1. * * With the exception of block 0, all blocks on the disk must belong to * exactly one partition. The partition map itself belongs to a partition * of type `APPLE_PARTITION_MAP', and is not limited in size by anything * other than available disk space. The partition map is not necessarily * the first partition listed. */ struct part_map_entry { #define PART_ENTRY_MAGIC 0x504d u_int16_t pmSig; /* partition signature */ u_int16_t pmSigPad; /* (reserved) */ u_int32_t pmMapBlkCnt; /* number of blocks in partition map */ u_int32_t pmPyPartStart; /* first physical block of partition */ u_int32_t pmPartBlkCnt; /* number of blocks in partition */ char pmPartName[32]; /* partition name */ char pmPartType[32]; /* partition type */ u_int32_t pmLgDataStart; /* first logical block of data area */ u_int32_t pmDataCnt; /* number of blocks in data area */ u_int32_t pmPartStatus; /* partition status information */ u_int32_t pmLgBootStart; /* first logical block of boot code */ u_int32_t pmBootSize; /* size of boot code, in bytes */ u_int32_t pmBootLoad; /* boot code load address */ u_int32_t pmBootLoad2; /* (reserved) */ u_int32_t pmBootEntry; /* boot code entry point */ u_int32_t pmBootEntry2; /* (reserved) */ u_int32_t pmBootCksum; /* boot code checksum */ char pmProcessor[16]; /* processor type (e.g. "68020") */ u_int8_t pmBootArgs[128]; /* A/UX boot arguments */ u_int8_t pad[248]; /* pad to end of block */ }; #define PART_TYPE_DRIVER "APPLE_DRIVER" #define PART_TYPE_DRIVER43 "APPLE_DRIVER43" #define PART_TYPE_DRIVERATA "APPLE_DRIVER_ATA" #define PART_TYPE_DRIVERIOKIT "APPLE_DRIVER_IOKIT" #define PART_TYPE_FWDRIVER "APPLE_FWDRIVER" #define PART_TYPE_FWB_COMPONENT "FWB DRIVER COMPONENTS" #define PART_TYPE_FREE "APPLE_FREE" #define PART_TYPE_MAC "APPLE_HFS" #define PART_TYPE_APPLEUFS "APPLE_UFS" #define PART_TYPE_NETBSD "NETBSD" #define PART_TYPE_NBSD_PPCBOOT "NETBSD/MACPPC" #define PART_TYPE_NBSD_68KBOOT "NETBSD/MAC68K" #define PART_TYPE_PATCHES "APPLE_PATCHES" #define PART_TYPE_PARTMAP "APPLE_PARTITION_MAP" #define PART_TYPE_SCRATCH "APPLE_SCRATCH" #define PART_TYPE_BOOT "APPLE_BOOT" #define PART_TYPE_LOADER "APPLE_LOADER" #define PART_TYPE_UNIX "APPLE_UNIX_SVR2" #define PART_TYPE_LINUX "LINUX" #define PART_TYPE_LINUX_SWAP "LINUX_SWAP" /* * "pmBootArgs" for APPLE_UNIX_SVR2 partition. * NetBSD/mac68k only uses Magic, Cluster, Type, and Flags. */ struct blockzeroblock { u_int32_t bzbMagic; u_int8_t bzbCluster; u_int8_t bzbType; u_int16_t bzbBadBlockInode; u_int16_t bzbFlags; u_int16_t bzbReserved; u_int32_t bzbCreationTime; u_int32_t bzbMountTime; u_int32_t bzbUMountTime; }; #define bzbFSType bzbType #define bzbFrag bzbCluster #define bzbCPG bzbBadBlockInode /* Also sgs for LFS */ #define bzbFSize bzbCreationTime /* Apple occasionally changes these */ #define BZB_MAGIC 0xABADBABE #define BZB_TYPEFS 1 #define BZB_TYPESWAP 3 #define BZB_ROOTFS 0x8000 #define BZB_USRFS 0x4000 #define BZB_USRFS_NEW 0x0004 #endif /* _MACHINE_DISKLABEL_H_ */