mkdev.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 1997 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ifndef _SYS_MKDEV_H
#define _SYS_MKDEV_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* SVR3/Pre-EFT device number constants.
*/
#define ONBITSMAJOR 7 /* # of SVR3 major device bits */
#define ONBITSMINOR 8 /* # of SVR3 minor device bits */
#define OMAXMAJ 0x7f /* SVR3 max major value */
#define OMAXMIN 0xff /* SVR3 max major value */
/*
* 32-bit Solaris device major/minor sizes.
*/
#define NBITSMAJOR32 14
#define NBITSMINOR32 18
#define MAXMAJ32 0x3ffful /* SVR4 max major value */
#define MAXMIN32 0x3fffful /* SVR4 max minor value */
#ifdef _LP64
#define NBITSMAJOR64 32 /* # of major device bits in 64-bit Solaris */
#define NBITSMINOR64 32 /* # of minor device bits in 64-bit Solaris */
#define MAXMAJ64 0xfffffffful /* max major value */
#define MAXMIN64 0xfffffffful /* max minor value */
#define NBITSMAJOR NBITSMAJOR64
#define NBITSMINOR NBITSMINOR64
#define MAXMAJ MAXMAJ64
#define MAXMIN MAXMIN64
#else /* !_LP64 */
#define NBITSMAJOR NBITSMAJOR32
#define NBITSMINOR NBITSMINOR32
#define MAXMAJ MAXMAJ32
#define MAXMIN MAXMIN32
#endif /* !_LP64 */
#if !defined(_KERNEL)
/*
* Undefine sysmacros.h device macros.
*/
#undef makedev
#undef major
#undef minor
#if defined(__STDC__)
extern dev_t makedev(const major_t, const minor_t);
extern major_t major(const dev_t);
extern minor_t minor(const dev_t);
extern dev_t __makedev(const int, const major_t, const minor_t);
extern major_t __major(const int, const dev_t);
extern minor_t __minor(const int, const dev_t);
#else
extern dev_t makedev();
extern major_t major();
extern minor_t minor();
extern dev_t __makedev();
extern major_t __major();
extern minor_t __minor();
#endif /* defined(__STDC__) */
#define OLDDEV 0 /* old device format */
#define NEWDEV 1 /* new device format */
#define makedev(maj, min) (__makedev(NEWDEV, maj, min))
#define major(dev) (__major(NEWDEV, dev))
#define minor(dev) (__minor(NEWDEV, dev))
#endif /* !defined(_KERNEL) */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_MKDEV_H */