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+/* 
+ * Mach Operating System
+ * Copyright (c) 1991,1990,1989,1988,1987 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
+ * software, derivative works or modified versions, and any portions
+ * 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  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+/*
+ *	File:	mach/vm_attributes.h
+ *	Author:	Alessandro Forin
+ *
+ *	Virtual memory attributes definitions.
+ *
+ *	These definitions are in addition to the machine-independent
+ *	ones (e.g. protection), and are only selectively supported
+ *	on specific machine architectures.
+ *
+ */
+
+#ifndef	_MACH_VM_ATTRIBUTES_H_
+#define	_MACH_VM_ATTRIBUTES_H_
+
+/*
+ *	Types of machine-dependent attributes
+ */
+typedef unsigned int	vm_machine_attribute_t;
+
+#define	MATTR_CACHE		1	/* cachability */
+#define MATTR_MIGRATE		2	/* migrability */
+#define	MATTR_REPLICATE		4	/* replicability */
+
+/*
+ *	Values for the above, e.g. operations on attribute
+ */
+typedef int		vm_machine_attribute_val_t;
+
+#define MATTR_VAL_OFF		0	/* (generic) turn attribute off */
+#define MATTR_VAL_ON		1	/* (generic) turn attribute on */
+#define MATTR_VAL_GET		2	/* (generic) return current value */
+
+#define MATTR_VAL_CACHE_FLUSH	6	/* flush from all caches */
+#define MATTR_VAL_DCACHE_FLUSH	7	/* flush from data caches */
+#define MATTR_VAL_ICACHE_FLUSH	8	/* flush from instruction caches */
+
+#endif	/* _MACH_VM_ATTRIBUTES_H_ */