Source to osfmk/i386/io_port.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
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 * The contents of this file constitute Original Code as defined in and
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/*
 * @OSF_COPYRIGHT@
 */
/* 
 * 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
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 * 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
 * 
 *  Software Distribution Coordinator  or  [email protected]
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
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 * any improvements or extensions that they make and grant Carnegie Mellon 
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 */

/*
 */

#ifndef	_I386_IO_PORT_H_
#define	_I386_IO_PORT_H_
/*
 * IO register definitions.
 */
typedef	unsigned short	io_reg_t;

#define	IO_REG_NULL	(0x00ff)	/* reserved */

/*
 * Allocate and destroy io port sets for users to map into
 * threads.
 */

#if 0
extern void	io_port_create(
			device_t		device,
			io_reg_t *		portlist);
extern void	io_port_destroy(
			device_t		device);

#endif
#endif	/* _I386_IO_PORT_H_ */