X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/1c79356b52d46aa6b508fb032f5ae709b1f2897b..a3d08fcd5120d2aa8303b6349ca8b14e3f284af3:/bsd/sys/ubc.h?ds=sidebyside

diff --git a/bsd/sys/ubc.h b/bsd/sys/ubc.h
index 0b647d1db..0e401f6f7 100644
--- a/bsd/sys/ubc.h
+++ b/bsd/sys/ubc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1999, 2000-2002 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
@@ -31,6 +31,7 @@
 #ifndef	_SYS_UBC_H_
 #define	_SYS_UBC_H_
 
+#include <sys/appleapiopts.h>
 #include <sys/types.h>
 #include <sys/ucred.h>
 #include <sys/vnode.h>
@@ -42,6 +43,7 @@
 #define UBC_INFO_NULL	((struct ubc_info *) 0)
 #define UBC_NOINFO		((struct ubc_info *)0xDEADD1ED)
 
+#ifdef __APPLE_API_PRIVATE
 extern struct zone	*ubc_info_zone;
 
 /*
@@ -50,14 +52,15 @@ extern struct zone	*ubc_info_zone;
  */
 
 struct ubc_info {
-	void 			* ui_pager;	/* pager */
-	void			*ui_object;	/* VM object corresponding to the pager */
-	long			ui_flags;	/* flags */
-	struct vnode 	*ui_vnode;	/* The vnode associated with this ubc_info */
-	struct ucred 	*ui_ucred;	/* holds credentials for NFS paging */
-	int				ui_holdcnt; /* hold the memory object */
-	off_t			ui_size;	/* file size for the vnode */
-	long			ui_mapped;	/* is it currently mapped */
+	memory_object_t			ui_pager;	/* pager */
+	memory_object_control_t	ui_control;	/* VM control for the pager */
+	long					ui_flags;	/* flags */
+	struct vnode 			*ui_vnode;	/* The vnode for this ubc_info */
+	struct ucred 			*ui_ucred;	/* holds credentials for NFS paging */
+	int						ui_refcount;/* ref count on the ubc_info */
+	off_t					ui_size;	/* file size for the vnode */
+	long					ui_mapped;	/* is it currently mapped */
+	void					*ui_owner;	/* for recursive ubc_busy */
 };
 
 /* Defines for ui_flags */
@@ -67,14 +70,19 @@ struct ubc_info {
 #define UI_HASOBJREF	0x00000004		/* hold a reference on object */
 #define UI_WASMAPPED	0x00000008		/* vnode was mapped */
 #define	UI_DONTCACHE	0x00000010		/* do not cache object */
+#define	UI_BUSY			0x00000020		/* for VM synchronization */
+#define	UI_WANTED		0x00000040		/* for VM synchronization */
 
+#endif /* __APPLE_API_PRIVATE */
+
+#ifdef __APPLE_API_EVOLVING
 /*
  * exported primitives for loadable file systems.
  */
 
 __BEGIN_DECLS
 int	ubc_info_init __P((struct vnode *));
-void	ubc_info_free  __P((struct vnode *));
+void	ubc_info_deallocate  __P((struct ubc_info *));
 int	ubc_setsize __P((struct vnode *, off_t));
 off_t	ubc_getsize __P((struct vnode *));
 int	ubc_uncache __P((struct vnode *));
@@ -82,9 +90,9 @@ int	ubc_umount __P((struct mount *));
 void	ubc_unmountall __P(());
 int	ubc_setcred __P((struct vnode *, struct proc *));
 struct ucred *ubc_getcred __P((struct vnode *));
-void *ubc_getpager __P((struct vnode *));
-void *ubc_getobject __P((struct vnode *, int));
-int ubc_setpager __P((struct vnode *, void *));
+memory_object_t ubc_getpager __P((struct vnode *));
+memory_object_control_t ubc_getobject __P((struct vnode *, int));
+int ubc_setpager __P((struct vnode *, memory_object_t));
 int ubc_setflags __P((struct vnode *, int));
 int ubc_clearflags __P((struct vnode *, int));
 int ubc_issetflags __P((struct vnode *, int));
@@ -92,24 +100,42 @@ off_t ubc_blktooff __P((struct vnode *, daddr_t));
 daddr_t ubc_offtoblk __P((struct vnode *, off_t));
 int ubc_clean __P((struct vnode *, int));
 int	ubc_pushdirty __P((struct vnode *));
+int	ubc_pushdirty_range __P((struct vnode *, off_t, off_t));
 int ubc_hold __P((struct vnode *));
 void ubc_rele __P((struct vnode *));
 void ubc_map __P((struct vnode *));
-int	ubc_release __P((struct vnode *));
+int	ubc_destroy_named __P((struct vnode *));
+int	ubc_release_named __P((struct vnode *));
 int	ubc_invalidate __P((struct vnode *, off_t, size_t));
 int	ubc_isinuse __P((struct vnode *, int));
 
+int	ubc_page_op __P((struct vnode *, off_t, int, ppnum_t *, int *));
+
 /* cluster IO routines */
 int	cluster_read __P((struct vnode *, struct uio *, off_t, int, int));
 int	advisory_read __P((struct vnode *, off_t, off_t, int, int));
 int	cluster_write __P((struct vnode *, struct uio*, off_t, off_t,
 		off_t, off_t,  int, int));
 int	cluster_push __P((struct vnode *));
+int	cluster_release __P((struct vnode *));
 int	cluster_pageout __P((struct vnode *, upl_t, vm_offset_t, off_t, int,
 		off_t, int, int));
 int	cluster_pagein __P((struct vnode *, upl_t, vm_offset_t, off_t, int,
 		off_t, int, int));
 int	cluster_bp __P((struct buf *));
+int	cluster_copy_upl_data __P((struct uio *, upl_t, int, int));
+int	cluster_copy_ubc_data __P((struct vnode *, struct uio *, int *, int));
+
+/* UPL routines */
+int	ubc_create_upl __P((struct vnode *, off_t, long, upl_t *,
+		upl_page_info_t **, int));
+int ubc_upl_map __P((upl_t, vm_offset_t *));
+int ubc_upl_unmap __P((upl_t));
+int ubc_upl_commit __P((upl_t));
+int ubc_upl_commit_range __P((upl_t, vm_offset_t, vm_size_t, int));
+int ubc_upl_abort __P((upl_t, int));
+int ubc_upl_abort_range __P((upl_t, vm_offset_t, vm_size_t, int));
+upl_page_info_t *ubc_upl_pageinfo __P((upl_t));
 __END_DECLS
 
 #define UBCINFOMISSING(vp) \
@@ -136,10 +162,11 @@ __END_DECLS
 		panic("%s: lost ubc_info", (fun));
 
 /* Flags for ubc_getobject() */
+#define UBC_FLAGS_NONE		0x0000
 #define UBC_HOLDOBJECT		0x0001
-#define UBC_NOREACTIVATE	0x0002
-#define	UBC_PAGINGOP		0x0004
+#define UBC_FOR_PAGEOUT         0x0002
 
+#endif /* __APPLE_API_EVOLVING */
 
 #endif	/* _SYS_UBC_H_ */