/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ /* * HISTORY * * Revision 1.1.1.1 1998/09/22 21:05:30 wsanchez * Import of Mac OS X kernel (~semeria) * * Revision 1.1.1.1 1998/03/07 02:25:45 wsanchez * Import of OSF Mach kernel (~mburg) * * Revision 1.1.4.2 1997/02/07 12:12:35 barbou * Fixed the defines (some were missing the "MACH_" prefixes). * [1997/02/07 12:06:38 barbou] * * Revision 1.1.4.1 1996/11/29 16:59:20 stephen * nmklinux_1.0b3_shared into pmk1.1 * Contents of sys/ioctl.h. Prefixed the definitions with "MACH" to avoid * conflicts with UNIX servers. * [96/09/18 barbou] * [1996/11/29 16:33:15 stephen] * * $EndLog$ */ /* * Mach Operating System * Copyright (c) 1991 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie Mellon rights * to redistribute these changes. */ /* */ /* * Format definitions for 'ioctl' commands in device definitions. * * From BSD4.4. */ #ifndef _MACH_MACH_IOCTL_H_ #define _MACH_MACH_IOCTL_H_ /* * Ioctl's have the command encoded in the lower word, and the size of * any in or out parameters in the upper word. The high 3 bits of the * upper word are used to encode the in/out status of the parameter. */ #define MACH_IOCPARM_MASK 0x1fff /* parameter length, at most 13 bits */ #define MACH_IOC_VOID 0x20000000 /* no parameters */ #define MACH_IOC_OUT 0x40000000 /* copy out parameters */ #define MACH_IOC_IN 0x80000000 /* copy in parameters */ #define MACH_IOC_INOUT (MACH_IOC_IN|MACH_IOC_OUT) #define _MACH_IOC(inout,group,num,len) \ (inout | ((len & MACH_IOCPARM_MASK) << 16) | ((group) << 8) | (num)) #define _MACH_IO(g,n) _MACH_IOC(MACH_IOC_VOID, (g), (n), 0) #define _MACH_IOR(g,n,t) _MACH_IOC(MACH_IOC_OUT, (g), (n), sizeof(t)) #define _MACH_IOW(g,n,t) _MACH_IOC(MACH_IOC_IN, (g), (n), sizeof(t)) #define _MACH_IOWR(g,n,t) _MACH_IOC(MACH_IOC_INOUT, (g), (n), sizeof(t)) #ifdef MACH_KERNEL /* * to avoid changing the references in the micro-kernel sources... */ #define IOCPARM_MASK MACH_IOCPARM_MASK #define IOC_VOID MACH_IOC_VOID #define IOC_OUT MACH_IOC_OUT #define IOC_IN MACH_IOC_IN #define IOC_INOUT MACH_IOC_INOUT #define _IOC _MACH_IOC #define _IO _MACH_IO #define _IOR _MACH_IOR #define _IOW _MACH_IOW #define _IOWR _MACH_IOWR #endif /* MACH_KERNEL */ #endif /* _MACH_MACH_IOCTL_H_ */