xref: /freebsd-11.0-release/sys/vm/vm.h

/*
 * Copyright (c) 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)vm.h	8.2 (Berkeley) 12/13/93
 * $FreeBSD: head/sys/vm/vm.h 50477 1999-08-28 01:08:13Z peter $
 */

#ifndef VM_H
#define VM_H

typedef char vm_inherit_t;	/* XXX: inheritance codes */
typedef u_char vm_prot_t;	/* protection codes */

union vm_map_object;
typedef union vm_map_object vm_map_object_t;

struct vm_map_entry;
typedef struct vm_map_entry *vm_map_entry_t;

struct vm_map;
typedef struct vm_map *vm_map_t;

struct vm_object;
typedef struct vm_object *vm_object_t;

#ifndef KERNEL
/*
 * This is defined in <sys/types.h> for the kernel so that non-vm kernel
 * sources (mainly Mach-derived ones such as ddb) don't have to include
 * vm stuff.  Defining it there for applications might break things.
 * Define it here for "applications" that include vm headers (e.g.,
 * genassym).
 */
typedef int boolean_t;

/*
 * This is defined in <sys/types.h> for the kernel so that vnode_if.h
 * doesn't have to include <vm/vm.h>.
 */
struct vm_page;
typedef struct vm_page *vm_page_t;
#endif

#endif				/* VM_H */