device_port.h   [plain text]


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/* 
 * Mach Operating System
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/*
 */
/*
 *	Author: David B. Golub, Carnegie Mellon University
 *	Date: 	8/89
 */

#ifndef	_DEVICE_DEVICE_PORT_H_
#define	_DEVICE_DEVICE_PORT_H_

#include <device/device_types.h>

/*
 *	Master privileged I/O object for this host
 */
extern mach_port_t	master_device_port;

#define DEVICE_PAGER_GUARDED		0x1
#define DEVICE_PAGER_COHERENT		0x2
#define DEVICE_PAGER_CACHE_INHIB	0x4
#define DEVICE_PAGER_WRITE_THROUGH	0x8
#define DEVICE_PAGER_CONTIGUOUS		0x100
#define DEVICE_PAGER_NOPHYSCACHE	0x200

#endif	/* _DEVICE_DEVICE_PORT_H_ */