X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/e5568f75972dfc723778653c11cb6b4dc825716a..13fec9890cf095cc781fdf7b8917cb03bf32dd4c:/osfmk/mach/vm_statistics.h?ds=sidebyside

diff --git a/osfmk/mach/vm_statistics.h b/osfmk/mach/vm_statistics.h
index 75fd47fc0..544c121ce 100644
--- a/osfmk/mach/vm_statistics.h
+++ b/osfmk/mach/vm_statistics.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
@@ -57,29 +57,49 @@
  *
  */
 
-#ifndef	VM_STATISTICS_H_
-#define	VM_STATISTICS_H_
+#ifndef	_MACH_VM_STATISTICS_H_
+#define	_MACH_VM_STATISTICS_H_
 
 #include <mach/machine/vm_types.h>
 
 struct vm_statistics {
-	integer_t	free_count;		/* # of pages free */
-	integer_t	active_count;		/* # of pages active */
-	integer_t	inactive_count;		/* # of pages inactive */
-	integer_t	wire_count;		/* # of pages wired down */
-	integer_t	zero_fill_count;	/* # of zero fill pages */
-	integer_t	reactivations;		/* # of pages reactivated */
-	integer_t	pageins;		/* # of pageins */
-	integer_t	pageouts;		/* # of pageouts */
-	integer_t	faults;			/* # of faults */
-	integer_t	cow_faults;		/* # of copy-on-writes */
-	integer_t	lookups;		/* object cache lookups */
-	integer_t	hits;			/* object cache hits */
+	natural_t	free_count;		/* # of pages free */
+	natural_t	active_count;		/* # of pages active */
+	natural_t	inactive_count;		/* # of pages inactive */
+	natural_t	wire_count;		/* # of pages wired down */
+	natural_t	zero_fill_count;	/* # of zero fill pages */
+	natural_t	reactivations;		/* # of pages reactivated */
+	natural_t	pageins;		/* # of pageins */
+	natural_t	pageouts;		/* # of pageouts */
+	natural_t	faults;			/* # of faults */
+	natural_t	cow_faults;		/* # of copy-on-writes */
+	natural_t	lookups;		/* object cache lookups */
+	natural_t	hits;			/* object cache hits */
+
+	natural_t	purgeable_count;	/* # of pages purgeable */
+	natural_t	purges;			/* # of pages purged */
 };
 
 typedef struct vm_statistics	*vm_statistics_t;
 typedef struct vm_statistics	vm_statistics_data_t;
 
+struct vm_statistics_rev0 {
+	natural_t	free_count;		/* # of pages free */
+	natural_t	active_count;		/* # of pages active */
+	natural_t	inactive_count;		/* # of pages inactive */
+	natural_t	wire_count;		/* # of pages wired down */
+	natural_t	zero_fill_count;	/* # of zero fill pages */
+	natural_t	reactivations;		/* # of pages reactivated */
+	natural_t	pageins;		/* # of pageins */
+	natural_t	pageouts;		/* # of pageouts */
+	natural_t	faults;			/* # of faults */
+	natural_t	cow_faults;		/* # of copy-on-writes */
+	natural_t	lookups;		/* object cache lookups */
+	natural_t	hits;			/* object cache hits */
+};
+
+typedef struct vm_statistics_rev0	*vm_statistics_rev0_t;
+typedef struct vm_statistics_rev0	vm_statistics_rev0_data_t;
 
 /* included for the vm_map_page_query call */
 
@@ -88,6 +108,7 @@ typedef struct vm_statistics	vm_statistics_data_t;
 #define VM_PAGE_QUERY_PAGE_REF          0x4
 #define VM_PAGE_QUERY_PAGE_DIRTY        0x8
 
+#ifdef	MACH_KERNEL_PRIVATE
 
 /*
  *	Each machine dependent implementation is expected to
@@ -103,8 +124,39 @@ struct pmap_statistics {
 
 typedef struct pmap_statistics	*pmap_statistics_t;
 
-#define VM_FLAGS_FIXED		0x0
-#define VM_FLAGS_ANYWHERE	0x1
+#endif	/* MACH_KERNEL_PRIVATE */
+
+/*
+ * VM allocation flags:
+ * 
+ * VM_FLAGS_FIXED
+ * 	(really the absence of VM_FLAGS_ANYWHERE)
+ *	Allocate new VM region at the specified virtual address, if possible.
+ * 
+ * VM_FLAGS_ANYWHERE
+ *	Allocate new VM region anywhere it would fit in the address space.
+ *
+ * VM_FLAGS_PURGABLE
+ *	Create a purgable VM object for that new VM region.
+ *
+ * VM_FLAGS_NO_PMAP_CHECK
+ *	(for DEBUG kernel config only, ignored for other configs)
+ *	Do not check that there is no stale pmap mapping for the new VM region.
+ *	This is useful for kernel memory allocations at bootstrap when building
+ *	the initial kernel address space while some memory is already in use.
+ *
+ * VM_FLAGS_OVERWRITE
+ *	The new VM region can replace existing VM regions if necessary
+ *	(to be used in combination with VM_FLAGS_FIXED).
+ */
+#define VM_FLAGS_FIXED		0x0000
+#define VM_FLAGS_ANYWHERE	0x0001
+#define VM_FLAGS_PURGABLE	0x0002
+#ifdef KERNEL_PRIVATE
+#define VM_FLAGS_NO_PMAP_CHECK	0x0004
+#endif /* KERNEL_PRIVATE */
+#define VM_FLAGS_OVERWRITE	0x0008
+
 #define VM_FLAGS_ALIAS_MASK	0xFF000000
 #define VM_GET_FLAGS_ALIAS(flags, alias)			\
 		(alias) = ((flags) & VM_FLAGS_ALIAS_MASK) >> 24	
@@ -139,7 +191,6 @@ typedef struct pmap_statistics	*pmap_statistics_t;
 #define VM_MEMORY_JAVA 44
 #define VM_MEMORY_ATS 50
 
-
 /* memory allocated by the dynamic loader for itself */
 #define VM_MEMORY_DYLD 60
 /* malloc'd memory created by dyld */
@@ -150,4 +201,5 @@ typedef struct pmap_statistics	*pmap_statistics_t;
 #define VM_MEMORY_APPLICATION_SPECIFIC_16 255
 
 #define VM_MAKE_TAG(tag) (tag<<24)
-#endif	/* VM_STATISTICS_H_ */
+
+#endif	/* _MACH_VM_STATISTICS_H_ */