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Annotation of sys/arch/macppc/include/disklabel.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: disklabel.h,v 1.14 2007/06/20 18:15:45 deraadt Exp $  */
                      2:
                      3: /*
                      4:  * Copyright (c) 1994 Christopher G. Demetriou
                      5:  * All rights reserved.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  * 3. All advertising materials mentioning features or use of this software
                     16:  *    must display the following acknowledgement:
                     17:  *      This product includes software developed by Christopher G. Demetriou.
                     18:  * 4. The name of the author may not be used to endorse or promote products
                     19:  *    derived from this software without specific prior written permission
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     22:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     23:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     24:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     25:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     26:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     27:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     28:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     29:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     30:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     31:  */
                     32:
                     33: #ifndef _MACHINE_DISKLABEL_H_
                     34: #define _MACHINE_DISKLABEL_H_
                     35:
                     36: #define        LABELSECTOR     1               /* sector containing label */
                     37: #define        LABELOFFSET     0               /* offset of label in sector */
                     38: #define        MAXPARTITIONS   16              /* number of partitions */
                     39:
                     40: /* HFS/DPME */
                     41:
                     42: /* partition map structure from Inside Macintosh: Devices, SCSI Manager
                     43:  * pp. 13-14.  The partition map always begins on physical block 1.
                     44:  *
                     45:  * With the exception of block 0, all blocks on the disk must belong to
                     46:  * exactly one partition.  The partition map itself belongs to a partition
                     47:  * of type `APPLE_PARTITION_MAP', and is not limited in size by anything
                     48:  * other than available disk space.  The partition map is not necessarily
                     49:  * the first partition listed.
                     50:  */
                     51: struct part_map_entry {
                     52: #define PART_ENTRY_MAGIC        0x504d
                     53:        u_int16_t       pmSig;          /* partition signature */
                     54:        u_int16_t       pmSigPad;       /* (reserved) */
                     55:        u_int32_t       pmMapBlkCnt;    /* number of blocks in partition map */
                     56:        u_int32_t       pmPyPartStart;  /* first physical block of partition */
                     57:        u_int32_t       pmPartBlkCnt;   /* number of blocks in partition */
                     58:        char            pmPartName[32]; /* partition name */
                     59:        char            pmPartType[32]; /* partition type */
                     60:        u_int32_t       pmLgDataStart;  /* first logical block of data area */
                     61:        u_int32_t       pmDataCnt;      /* number of blocks in data area */
                     62:        u_int32_t       pmPartStatus;   /* partition status information */
                     63:        u_int32_t       pmLgBootStart;  /* first logical block of boot code */
                     64:        u_int32_t       pmBootSize;     /* size of boot code, in bytes */
                     65:        u_int32_t       pmBootLoad;     /* boot code load address */
                     66:        u_int32_t       pmBootLoad2;    /* (reserved) */
                     67:        u_int32_t       pmBootEntry;    /* boot code entry point */
                     68:        u_int32_t       pmBootEntry2;   /* (reserved) */
                     69:        u_int32_t       pmBootCksum;    /* boot code checksum */
                     70:        char            pmProcessor[16]; /* processor type (e.g. "68020") */
                     71:        u_int8_t        pmBootArgs[128]; /* A/UX boot arguments */
                     72:        /* we do not index the disk image as an array,
                     73:         * leave out the on disk padding
                     74:         */
                     75: #if 0
                     76:        u_int8_t        pad[248];       /* pad to end of block */
                     77: #endif
                     78: };
                     79:
                     80: #define PART_TYPE_DRIVER        "APPLE_DRIVER"
                     81: #define PART_TYPE_DRIVER43      "APPLE_DRIVER43"
                     82: #define PART_TYPE_DRIVERATA     "APPLE_DRIVER_ATA"
                     83: #define PART_TYPE_DRIVERIOKIT   "APPLE_DRIVER_IOKIT"
                     84: #define PART_TYPE_FWDRIVER      "APPLE_FWDRIVER"
                     85: #define PART_TYPE_FWB_COMPONENT "FWB DRIVER COMPONENTS"
                     86: #define PART_TYPE_FREE          "APPLE_FREE"
                     87: #define PART_TYPE_MAC           "APPLE_HFS"
                     88: #define PART_TYPE_OPENBSD       "OPENBSD"
                     89:
                     90: #endif /* _MACHINE_DISKLABEL_H_ */