LXR darwin-xnu/osfmk/device/device

   1/*
   2 * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3 *
   4 * @APPLE_LICENSE_HEADER_START@
   5 * 
   6 * The contents of this file constitute Original Code as defined in and
   7 * are subject to the Apple Public Source License Version 1.1 (the
   8 * "License").  You may not use this file except in compliance with the
   9 * License.  Please obtain a copy of the License at
  10 * http://www.apple.com/publicsource and read it before using this file.
  11 * 
  12 * This Original Code and all software distributed under the License are
  13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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  19 * 
  20 * @APPLE_LICENSE_HEADER_END@
  21 */
  22/*
  23 * @OSF_COPYRIGHT@
  24 */
  25/* 
  26 * Mach Operating System
  27 * Copyright (c) 1991,1990,1989 Carnegie Mellon University
  28 * All Rights Reserved.
  29 * 
  30 * Permission to use, copy, modify and distribute this software and its
  31 * documentation is hereby granted, provided that both the copyright
  32 * notice and this permission notice appear in all copies of the
  33 * software, derivative works or modified versions, and any portions
  34 * thereof, and that both notices appear in supporting documentation.
  35 * 
  36 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  37 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  38 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  39 * 
  40 * Carnegie Mellon requests users of this software to return to
  41 * 
  42 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  43 *  School of Computer Science
  44 *  Carnegie Mellon University
  45 *  Pittsburgh PA 15213-3890
  46 * 
  47 * any improvements or extensions that they make and grant Carnegie Mellon
  48 * the rights to redistribute these changes.
  49 */
  50/*
  51 */
  52/*
  53 *      Author: David B. Golub, Carnegie Mellon University
  54 *      Date:   8/89
  55 */
  56
  57#ifndef _DEVICE_DEVICE_PORT_H_
  58#define _DEVICE_DEVICE_PORT_H_
  59
  60#include <device/device_types.h>
  61
  62/*
  63 *      Master privileged I/O object for this host
  64 */
  65extern mach_port_t      master_device_port;
  66
  67#define DEVICE_PAGER_GUARDED            0x1
  68#define DEVICE_PAGER_COHERENT           0x2
  69#define DEVICE_PAGER_CACHE_INHIB        0x4
  70#define DEVICE_PAGER_WRITE_THROUGH      0x8
  71#define DEVICE_PAGER_CONTIGUOUS         0x100
  72#define DEVICE_PAGER_NOPHYSCACHE        0x200
  73
  74#endif  /* _DEVICE_DEVICE_PORT_H_ */
  75