/* * Mach Operating System * Copyright (c) 1991,1990,1989 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ /* Copyright 1988, 1989 by Intel Corporation, Santa Clara, California. All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appears in all copies and that both the copyright notice and this permission notice appear in supporting documentation, and that the name of Intel not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. INTEL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL INTEL BE LIABLE FOR ANY SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* * disk.h */ #ifndef _DISK_H_ #define _DISK_H_ #define V_NUMPAR 16 /* maximum number of partitions */ #define VTOC_SANE 0x600DDEEE /* Indicates a sane VTOC */ #define PDLOCATION 29 /* location of VTOC */ #define LBLLOC 1 /* label block for xxxbsd */ struct localpartition { u_int p_flag; /*permision flags*/ long p_start; /*physical start sector no of partition*/ long p_size; /*# of physical sectors in partition*/ }; typedef struct localpartition localpartition_t; struct evtoc { u_int fill0[6]; u_int cyls; /*number of cylinders per drive*/ u_int tracks; /*number tracks per cylinder*/ u_int sectors; /*number sectors per track*/ u_int fill1[13]; u_int version; /*layout version*/ u_int alt_ptr; /*byte offset of alternates table*/ u_short alt_len; /*byte length of alternates table*/ u_int sanity; /*to verify vtoc sanity*/ u_int xcyls; /*number of cylinders per drive*/ u_int xtracks; /*number tracks per cylinder*/ u_int xsectors; /*number sectors per track*/ u_short nparts; /*number of partitions*/ u_short fill2; /*pad for 286 compiler*/ char label[40]; struct localpartition part[V_NUMPAR];/*partition headers*/ char fill[512-352]; }; #endif /* _DISK_H_ */