vtoc.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1999 by Sun Microsystems, Inc.
*/
#ifndef __VTOC_H
#define __VTOC_H
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* VTOC class interface file.
*/
/*
* System include files
*/
#include <sys/types.h>
#include <sys/vtoc.h>
#ifdef __cplusplus
extern "C" {
#endif
extern int
vtoc_base_partition(struct vtoc * vtocp);
extern u_char
vtoc_number_of_partitions(struct vtoc * vtocp);
extern u_long
vtoc_partition_mask(struct vtoc * vtocp);
/*
* Returns a bit mask with a one in each bit position that
* corresponds to a slice or partition that occupies actual
* space on the medium. Bit 0 is the least significant bit
* of the mask and represents slice or partition 0.
*/
extern off_t
vtoc_partition_offset(struct vtoc * vtocp,
int partition_number);
/*
* Returns the byte offset of the start of partition
* "partition_number" from the start of the medium.
*/
extern boolean_t
vtoc_valid(struct vtoc * vtocp);
#ifdef __cplusplus
}
#endif
#endif /* __VTOC_H */