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Diffstat (limited to 'i386/i386at/disk.h')
| -rw-r--r-- | i386/i386at/disk.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/i386/i386at/disk.h b/i386/i386at/disk.h new file mode 100644 index 0000000..c558375 --- /dev/null +++ b/i386/i386at/disk.h @@ -0,0 +1,89 @@ +/* + * 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_ */ |