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	1	/*
	2	* Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
	25	*
	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
	27	*/
	28	/*
	29	* @OSF_COPYRIGHT@
	30	*/
	31	/*
	32	* Mach Operating System
	33	* Copyright (c) 1991,1990,1989 Carnegie Mellon University
	34	* All Rights Reserved.
	35	*
	36	* Permission to use, copy, modify and distribute this software and its
	37	* documentation is hereby granted, provided that both the copyright
	38	* notice and this permission notice appear in all copies of the
	39	* software, derivative works or modified versions, and any portions
	40	* thereof, and that both notices appear in supporting documentation.
	41	*
	42	* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
	43	* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
	44	* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
	45	*
	46	* Carnegie Mellon requests users of this software to return to
	47	*
	48	* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
	49	* School of Computer Science
	50	* Carnegie Mellon University
	51	* Pittsburgh PA 15213-3890
	52	*
	53	* any improvements or extensions that they make and grant Carnegie Mellon
	54	* the rights to redistribute these changes.
	55	*/
	56	/*
	57	*/
	58	/*
	59	* Author: David B. Golub, Carnegie Mellon University
	60	* Date: 8/89
	61	*/
	62
	63	#ifndef _DEVICE_DEVICE_PORT_H_
	64	#define _DEVICE_DEVICE_PORT_H_
	65
	66	#include <device/device_types.h>
	67
	68	/*
	69	* Master privileged I/O object for this host
	70	*/
	71	extern mach_port_t master_device_port;
	72
	73	#define DEVICE_PAGER_GUARDED 0x1
	74	#define DEVICE_PAGER_COHERENT 0x2
	75	#define DEVICE_PAGER_CACHE_INHIB 0x4
	76	#define DEVICE_PAGER_WRITE_THROUGH 0x8
	77	#define DEVICE_PAGER_CONTIGUOUS 0x100
	78	#define DEVICE_PAGER_NOPHYSCACHE 0x200
	79
	80	#ifdef XNU_KERNEL_PRIVATE
	81	#include <vm/memory_types.h>
	82
	83	_Static_assert(((DEVICE_PAGER_CONTIGUOUS \| DEVICE_PAGER_NOPHYSCACHE) & VM_WIMG_MASK) == 0,
	84	"device pager flags overlap WIMG mask");
	85
	86	/* Assert on the backwards-compatible DEVICE_PAGER* values */
	87	_Static_assert(DEVICE_PAGER_GUARDED == VM_MEM_GUARDED, "DEVICE_PAGER_GUARDED != VM_MEM_GUARDED");
	88	_Static_assert(DEVICE_PAGER_COHERENT == VM_MEM_COHERENT, "DEVICE_PAGER_COHERENT != VM_MEM_COHERENT");
	89	_Static_assert(DEVICE_PAGER_CACHE_INHIB == VM_MEM_NOT_CACHEABLE, "DEVICE_PAGER_CACHE_INHIB != VM_MEM_NOT_CACHEABLE");
	90	_Static_assert(DEVICE_PAGER_WRITE_THROUGH == VM_MEM_WRITE_THROUGH, "DEVICE_PAGER_WRITE_THROUGH != VM_MEM_WRITE_THROUGH");
	91
	92	#endif /* KERNEL_PRIVATE */
	93
	94	#endif /* _DEVICE_DEVICE_PORT_H_ */