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 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 27 /* All Rights Reserved */ 28 29 #ifndef _SYS_MKDEV_H 30 #define _SYS_MKDEV_H 31 32 #include <sys/types.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 /* 39 * SVR3/Pre-EFT device number constants. 40 */ 41 #define ONBITSMAJOR 7 /* # of SVR3 major device bits */ 42 #define ONBITSMINOR 8 /* # of SVR3 minor device bits */ 43 #define OMAXMAJ 0x7f /* SVR3 max major value */ 44 #define OMAXMIN 0xff /* SVR3 max major value */ 45 46 /* 47 * 32-bit Solaris device major/minor sizes. 48 */ 49 #define NBITSMAJOR32 14 50 #define NBITSMINOR32 18 51 #define MAXMAJ32 0x3ffful /* SVR4 max major value */ 52 #define MAXMIN32 0x3fffful /* SVR4 max minor value */ 53 54 #define NBITSMAJOR64 32 /* # of major device bits in 64-bit Solaris */ 55 #define NBITSMINOR64 32 /* # of minor device bits in 64-bit Solaris */ 56 57 #ifdef _LP64 58 59 #define MAXMAJ64 0xfffffffful /* max major value */ 60 #define MAXMIN64 0xfffffffful /* max minor value */ 61 62 #define NBITSMAJOR NBITSMAJOR64 63 #define NBITSMINOR NBITSMINOR64 64 #define MAXMAJ MAXMAJ64 65 #define MAXMIN MAXMIN64 66 67 #else /* !_LP64 */ 68 69 #define NBITSMAJOR NBITSMAJOR32 70 #define NBITSMINOR NBITSMINOR32 71 #define MAXMAJ MAXMAJ32 72 #define MAXMIN MAXMIN32 73 74 #endif /* !_LP64 */ 75 76 #if !defined(_KERNEL) 77 78 /* 79 * Undefine sysmacros.h device macros. 80 */ 81 #undef makedev 82 #undef major 83 #undef minor 84 85 #if defined(__STDC__) 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 #else 95 96 extern dev_t makedev(); 97 extern major_t major(); 98 extern minor_t minor(); 99 extern dev_t __makedev(); 100 extern major_t __major(); 101 extern minor_t __minor(); 102 103 #endif /* defined(__STDC__) */ 104 105 #define OLDDEV 0 /* old device format */ 106 #define NEWDEV 1 /* new device format */ 107 108 #define makedev(maj, min) (__makedev(NEWDEV, maj, min)) 109 #define major(dev) (__major(NEWDEV, dev)) 110 #define minor(dev) (__minor(NEWDEV, dev)) 111 112 #endif /* !defined(_KERNEL) */ 113 114 #ifdef __cplusplus 115 } 116 #endif 117 118 #endif /* _SYS_MKDEV_H */ 119