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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
2d21ac55 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
0a7de745 5 *
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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.
0a7de745 14 *
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15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
0a7de745 17 *
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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
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20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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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.
0a7de745 25 *
2d21ac55 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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27 */
28/*
29 * @OSF_COPYRIGHT@
30 */
0a7de745 31/*
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32 * Mach Operating System
33 * Copyright (c) 1991 Carnegie Mellon University
34 * All Rights Reserved.
0a7de745 35 *
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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.
0a7de745 41 *
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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.
0a7de745 45 *
1c79356b 46 * Carnegie Mellon requests users of this software to return to
0a7de745 47 *
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48 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
49 * School of Computer Science
50 * Carnegie Mellon University
51 * Pittsburgh PA 15213-3890
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52 *
53 * any improvements or extensions that they make and grant Carnegie Mellon
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54 * the rights to redistribute these changes.
55 */
56
57/*
58 */
59
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60#ifndef _I386_IO_PORT_H_
61#define _I386_IO_PORT_H_
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62/*
63 * IO register definitions.
64 */
0a7de745 65typedef unsigned short io_reg_t;
1c79356b 66
0a7de745 67#define IO_REG_NULL (0x00ff) /* reserved */
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68
69/*
70 * Allocate and destroy io port sets for users to map into
71 * threads.
72 */
73
74#if 0
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75extern void io_port_create(
76 device_t device,
77 io_reg_t * portlist);
78extern void io_port_destroy(
79 device_t device);
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80
81#endif
0a7de745 82#endif /* _I386_IO_PORT_H_ */