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61 * File: mach/vm_attributes.h
62 * Author: Alessandro Forin
64 * Virtual memory attributes definitions.
66 * These definitions are in addition to the machine-independent
67 * ones (e.g. protection), and are only selectively supported
68 * on specific machine architectures.
72 #ifndef _MACH_VM_ATTRIBUTES_H_
73 #define _MACH_VM_ATTRIBUTES_H_
76 * Types of machine-dependent attributes
78 typedef unsigned int vm_machine_attribute_t
;
80 #define MATTR_CACHE 1 /* cachability */
81 #define MATTR_MIGRATE 2 /* migrability */
82 #define MATTR_REPLICATE 4 /* replicability */
85 * Values for the above, e.g. operations on attribute
87 typedef int vm_machine_attribute_val_t
;
89 #define MATTR_VAL_OFF 0 /* (generic) turn attribute off */
90 #define MATTR_VAL_ON 1 /* (generic) turn attribute on */
91 #define MATTR_VAL_GET 2 /* (generic) return current value */
93 #define MATTR_VAL_CACHE_FLUSH 6 /* flush from all caches */
94 #define MATTR_VAL_DCACHE_FLUSH 7 /* flush from data caches */
95 #define MATTR_VAL_ICACHE_FLUSH 8 /* flush from instruction caches */
96 #define MATTR_VAL_CACHE_SYNC 9 /* sync I+D caches */
97 #define MATTR_VAL_CACHE_SYNC 9 /* sync I+D caches */
99 #define MATTR_VAL_GET_INFO 10 /* get page info (stats) */
101 #endif /* _MACH_VM_ATTRIBUTES_H_ */