/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2014 Garrett D'Amore <garrett@damore.org>
 *
 * Copyright 2009 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

#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 */

#define NBITSMAJOR64    32      /* # of major device bits in 64-bit Solaris */
#define NBITSMINOR64    32      /* # of minor device bits in 64-bit Solaris */

#ifdef _LP64

#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

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);

#define OLDDEV 0        /* old device format */
#define NEWDEV 1        /* new device format */
#define COMPATDEV 2     /* 32-bit compat 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 */