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- /*
- * 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_ */
-