X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/316670eb35587141e969394ae8537d66b9211e80..15129b1c8dbb3650c63b70adb1cad9af601c6c17:/osfmk/vm/pmap.h

diff --git a/osfmk/vm/pmap.h b/osfmk/vm/pmap.h
index 26c26d6c0..2e228d6d2 100644
--- a/osfmk/vm/pmap.h
+++ b/osfmk/vm/pmap.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -141,7 +141,7 @@ extern void		pmap_startup(
 						 * use remaining physical pages
 						 * to allocate page frames.
 						 */
-extern void		pmap_init(void) __attribute__((section("__TEXT, initcode")));
+extern void		pmap_init(void);
 						/* Initialization,
 						 * after kernel runs
 						 * in virtual memory.
@@ -189,11 +189,7 @@ extern void		pmap_virtual_space(
 extern pmap_t		pmap_create(	/* Create a pmap_t. */
 				ledger_t	ledger,
 				vm_map_size_t	size,
-#ifdef __i386__
-				boolean_t	is_64bit);
-#else
 				__unused boolean_t	is_64bit);
-#endif
 extern pmap_t		(pmap_kernel)(void);	/* Return the kernel's pmap */
 extern void		pmap_reference(pmap_t pmap);	/* Gain a reference. */
 extern void		pmap_destroy(pmap_t pmap); /* Release a reference. */
@@ -217,7 +213,8 @@ extern kern_return_t	pmap_enter_options(
 					   vm_prot_t fault_type,
 					   unsigned int flags,
 					   boolean_t wired,
-					   unsigned int options);
+					   unsigned int options,
+					   void *arg);
 
 extern void		pmap_remove_some_phys(
 				pmap_t		pmap,
@@ -232,6 +229,12 @@ extern void		pmap_page_protect(	/* Restrict access to page. */
 				ppnum_t	phys,
 				vm_prot_t	prot);
 
+extern void		pmap_page_protect_options(	/* Restrict access to page. */
+				ppnum_t	phys,
+				vm_prot_t	prot,
+				unsigned int 	options,
+				void		*arg);
+
 extern void		(pmap_zero_page)(
 				ppnum_t		pn);
 
@@ -266,6 +269,11 @@ extern void		(pmap_copy_part_rpage)(
 extern unsigned int (pmap_disconnect)(	/* disconnect mappings and return reference and change */
 				ppnum_t		phys);
 
+extern unsigned int (pmap_disconnect_options)(	/* disconnect mappings and return reference and change */
+				ppnum_t		phys,
+				unsigned int	options,
+	                        void		*arg);
+
 extern kern_return_t	(pmap_attribute_cache_sync)(  /* Flush appropriate 
 						       * cache based on
 						       * page number sent */
@@ -381,34 +389,51 @@ extern kern_return_t	(pmap_attribute)(	/* Get/Set special memory
 	MACRO_BEGIN							\
 	pmap_t		__pmap = (pmap);				\
 	vm_page_t	__page = (page);				\
+	int		__options = 0;					\
 									\
 	PMAP_ENTER_CHECK(__pmap, __page)				\
-	pmap_enter(__pmap,						\
-		(virtual_address),					\
-		__page->phys_page,					\
-		(protection),						\
-		(fault_type),						\
-		(flags),						\
-		(wired));						\
+	if (__page->object->internal) {					\
+		__options |= PMAP_OPTIONS_INTERNAL;			\
+	}								\
+	if (__page->reusable || __page->object->all_reusable) {		\
+		__options |= PMAP_OPTIONS_REUSABLE;			\
+	}								\
+	(void) pmap_enter_options(__pmap,				\
+				  (virtual_address),			\
+				  __page->phys_page,			\
+				  (protection),				\
+				  (fault_type),				\
+				  (flags),				\
+				  (wired),				\
+				  __options,				\
+				  NULL);				\
 	MACRO_END
 #endif	/* !PMAP_ENTER */
 
 #ifndef	PMAP_ENTER_OPTIONS
-#define PMAP_ENTER_OPTIONS(pmap, virtual_address, page, protection, fault_type,	\
-				flags, wired, options, result) 		\
+#define PMAP_ENTER_OPTIONS(pmap, virtual_address, page, protection,	\
+			   fault_type, flags, wired, options, result)	\
 	MACRO_BEGIN							\
 	pmap_t		__pmap = (pmap);				\
 	vm_page_t	__page = (page);				\
+	int		__extra_options = 0;				\
 									\
 	PMAP_ENTER_CHECK(__pmap, __page)				\
+	if (__page->object->internal) {					\
+		__extra_options |= PMAP_OPTIONS_INTERNAL;		\
+	}								\
+	if (__page->reusable || __page->object->all_reusable) {		\
+		__extra_options |= PMAP_OPTIONS_REUSABLE;		\
+	}								\
 	result = pmap_enter_options(__pmap,				\
-		(virtual_address),					\
-		__page->phys_page,					\
-		(protection),						\
-		(fault_type),						\
-		(flags),						\
-		(wired),						\
-		options);						\
+				    (virtual_address),			\
+				    __page->phys_page,			\
+				    (protection),			\
+				    (fault_type),			\
+				    (flags),				\
+				    (wired),				\
+				    (options) | __extra_options,	\
+				    NULL);				\
 	MACRO_END
 #endif	/* !PMAP_ENTER_OPTIONS */
 
@@ -455,6 +480,13 @@ extern kern_return_t	(pmap_attribute)(	/* Get/Set special memory
  *	physical addresses, simulating them if not provided
  *	by the hardware.
  */
+struct pfc {
+	long	pfc_cpus;
+	long	pfc_invalid_global;
+};
+
+typedef	struct pfc	pmap_flush_context;
+
 				/* Clear reference bit */
 extern void		pmap_clear_reference(ppnum_t	 pn);
 				/* Return reference bit */
@@ -471,6 +503,11 @@ extern unsigned int pmap_get_refmod(ppnum_t pn);
 extern void			pmap_clear_refmod(ppnum_t pn, unsigned int mask);
 #define VM_MEM_MODIFIED		0x01	/* Modified bit */
 #define VM_MEM_REFERENCED	0x02	/* Referenced bit */
+extern void			pmap_clear_refmod_options(ppnum_t pn, unsigned int mask, unsigned int options, void *);
+
+
+extern void pmap_flush_context_init(pmap_flush_context *);
+extern void pmap_flush(pmap_flush_context *);
 
 /*
  *	Routines that operate on ranges of virtual addresses.
@@ -481,6 +518,14 @@ extern void		pmap_protect(	/* Change protections. */
 				vm_map_offset_t	e,
 				vm_prot_t	prot);
 
+extern void		pmap_protect_options(	/* Change protections. */
+				pmap_t		map,
+				vm_map_offset_t	s,
+				vm_map_offset_t	e,
+				vm_prot_t	prot,
+				unsigned int	options,
+				void 		*arg);
+
 extern void		(pmap_pageable)(
 				pmap_t		pmap,
 				vm_map_offset_t	start,
@@ -534,6 +579,13 @@ extern pmap_t	kernel_pmap;			/* The kernel's map */
 #define PMAP_OPTIONS_NOENTER	0x2		/* expand pmap if needed
 						 * but don't enter mapping
 						 */
+#define PMAP_OPTIONS_COMPRESSOR 0x4		/* credit the compressor for
+						 * this operation */
+#define PMAP_OPTIONS_INTERNAL	0x8		/* page from internal object */
+#define PMAP_OPTIONS_REUSABLE	0x10		/* page is "reusable" */
+#define PMAP_OPTIONS_NOFLUSH	0x20		/* delay flushing of pmap */
+#define PMAP_OPTIONS_NOREFMOD	0x40		/* don't need ref/mod on disconnect */
+#define PMAP_OPTIONS_REMOVE	0x100		/* removing a mapping */
 
 #if	!defined(__LP64__)
 extern vm_offset_t	pmap_extract(pmap_t pmap,
@@ -550,6 +602,18 @@ extern void		pmap_remove(	/* Remove mappings. */
 				vm_map_offset_t	s,
 				vm_map_offset_t	e);
 
+extern void		pmap_remove_options(	/* Remove mappings. */
+				pmap_t		map,
+				vm_map_offset_t	s,
+				vm_map_offset_t	e,
+				int		options);
+
+extern void		pmap_reusable(
+				pmap_t		map,
+				vm_map_offset_t	s,
+				vm_map_offset_t	e,
+				boolean_t	reusable);
+
 extern void		fillPage(ppnum_t pa, unsigned int fill);
 
 extern void pmap_map_sharedpage(task_t task, pmap_t pmap);
@@ -559,6 +623,10 @@ extern void pmap_unmap_sharedpage(pmap_t pmap);
 void pmap_pre_expand(pmap_t pmap, vm_map_offset_t vaddr);
 #endif
 
+unsigned int pmap_query_resident(pmap_t pmap,
+				 vm_map_offset_t s,
+				 vm_map_offset_t e);
+
 #endif  /* KERNEL_PRIVATE */
 
 #endif	/* _VM_PMAP_H_ */