1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2014 Garrett D'Amore <garrett@damore.org> 23 * 24 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 25 * Use is subject to license terms. 26 */ 27 28 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 29 /* All Rights Reserved */ 30 31 #ifndef _SYS_MKDEV_H 32 #define _SYS_MKDEV_H 33 34 #include <sys/types.h> 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 /* 41 * SVR3/Pre-EFT device number constants. 42 */ 43 #define ONBITSMAJOR 7 /* # of SVR3 major device bits */ 44 #define ONBITSMINOR 8 /* # of SVR3 minor device bits */ 45 #define OMAXMAJ 0x7f /* SVR3 max major value */ 46 #define OMAXMIN 0xff /* SVR3 max major value */ 47 48 /* 49 * 32-bit Solaris device major/minor sizes. 50 */ 51 #define NBITSMAJOR32 14 52 #define NBITSMINOR32 18 53 #define MAXMAJ32 0x3ffful /* SVR4 max major value */ 54 #define MAXMIN32 0x3fffful /* SVR4 max minor value */ 55 56 #define NBITSMAJOR64 32 /* # of major device bits in 64-bit Solaris */ 57 #define NBITSMINOR64 32 /* # of minor device bits in 64-bit Solaris */ 58 59 #ifdef _LP64 60 61 #define MAXMAJ64 0xfffffffful /* max major value */ 62 #define MAXMIN64 0xfffffffful /* max minor value */ 63 64 #define NBITSMAJOR NBITSMAJOR64 65 #define NBITSMINOR NBITSMINOR64 66 #define MAXMAJ MAXMAJ64 67 #define MAXMIN MAXMIN64 68 69 #else /* !_LP64 */ 70 71 #define NBITSMAJOR NBITSMAJOR32 72 #define NBITSMINOR NBITSMINOR32 73 #define MAXMAJ MAXMAJ32 74 #define MAXMIN MAXMIN32 75 76 #endif /* !_LP64 */ 77 78 #if !defined(_KERNEL) 79 80 /* 81 * Undefine sysmacros.h device macros. 82 */ 83 #undef makedev 84 #undef major 85 #undef minor 86 87 extern dev_t makedev(const major_t, const minor_t); 88 extern major_t major(const dev_t); 89 extern minor_t minor(const dev_t); 90 extern dev_t __makedev(const int, const major_t, const minor_t); 91 extern major_t __major(const int, const dev_t); 92 extern minor_t __minor(const int, const dev_t); 93 94 #define OLDDEV 0 /* old device format */ 95 #define NEWDEV 1 /* new device format */ 96 #define COMPATDEV 2 /* 32-bit compat format */ 97 98 #define makedev(maj, min) (__makedev(NEWDEV, maj, min)) 99 #define major(dev) (__major(NEWDEV, dev)) 100 #define minor(dev) (__minor(NEWDEV, dev)) 101 102 #endif /* !defined(_KERNEL) */ 103 104 #ifdef __cplusplus 105 } 106 #endif 107 108 #endif /* _SYS_MKDEV_H */ 109