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53 * File: mach/vm_attributes.h
54 * Author: Alessandro Forin
56 * Virtual memory attributes definitions.
58 * These definitions are in addition to the machine-independent
59 * ones (e.g. protection), and are only selectively supported
60 * on specific machine architectures.
64 #ifndef _MACH_VM_ATTRIBUTES_H_
65 #define _MACH_VM_ATTRIBUTES_H_
68 * Types of machine-dependent attributes
70 typedef unsigned int vm_machine_attribute_t
;
72 #define MATTR_CACHE 1 /* cachability */
73 #define MATTR_MIGRATE 2 /* migrability */
74 #define MATTR_REPLICATE 4 /* replicability */
77 * Values for the above, e.g. operations on attribute
79 typedef int vm_machine_attribute_val_t
;
81 #define MATTR_VAL_OFF 0 /* (generic) turn attribute off */
82 #define MATTR_VAL_ON 1 /* (generic) turn attribute on */
83 #define MATTR_VAL_GET 2 /* (generic) return current value */
85 #define MATTR_VAL_CACHE_FLUSH 6 /* flush from all caches */
86 #define MATTR_VAL_DCACHE_FLUSH 7 /* flush from data caches */
87 #define MATTR_VAL_ICACHE_FLUSH 8 /* flush from instruction caches */
88 #define MATTR_VAL_CACHE_SYNC 9 /* sync I+D caches */
89 #define MATTR_VAL_CACHE_SYNC 9 /* sync I+D caches */
91 #define MATTR_VAL_GET_INFO 10 /* get page info (stats) */
93 #endif /* _MACH_VM_ATTRIBUTES_H_ */