vm_extern.h revision 190604 
1/*-
2 * Copyright (c) 1992, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 *	@(#)vm_extern.h	8.2 (Berkeley) 1/12/94
30 * $FreeBSD: head/sys/vm/vm_extern.h 190604 2009-04-01 04:36:37Z alc $
31 */
32
33#ifndef _VM_EXTERN_H_
34#define	_VM_EXTERN_H_
35
36struct buf;
37struct proc;
38struct vmspace;
39struct vmtotal;
40struct mount;
41struct vnode;
42
43#ifdef _KERNEL
44
45int kernacc(void *, int, int);
46vm_offset_t kmem_alloc(vm_map_t, vm_size_t);
47vm_offset_t kmem_alloc_nofault(vm_map_t, vm_size_t);
48vm_offset_t kmem_alloc_wait(vm_map_t, vm_size_t);
49void kmem_free(vm_map_t, vm_offset_t, vm_size_t);
50void kmem_free_wakeup(vm_map_t, vm_offset_t, vm_size_t);
51void kmem_init(vm_offset_t, vm_offset_t);
52vm_offset_t kmem_malloc(vm_map_t, vm_size_t, boolean_t);
53vm_map_t kmem_suballoc(vm_map_t, vm_offset_t *, vm_offset_t *, vm_size_t,
54    boolean_t);
55void swapout_procs(int);
56int useracc(void *, int, int);
57int vm_fault(vm_map_t, vm_offset_t, vm_prot_t, int);
58void vm_fault_copy_entry(vm_map_t, vm_map_t, vm_map_entry_t, vm_map_entry_t);
59void vm_fault_unwire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t);
60int vm_fault_wire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t, boolean_t);
61int vm_forkproc(struct thread *, struct proc *, struct thread *, struct vmspace *, int);
62void vm_waitproc(struct proc *);
63int vm_mmap(vm_map_t, vm_offset_t *, vm_size_t, vm_prot_t, vm_prot_t, int, objtype_t, void *, vm_ooffset_t);
64void vm_set_page_size(void);
65struct vmspace *vmspace_alloc(vm_offset_t, vm_offset_t);
66struct vmspace *vmspace_fork(struct vmspace *);
67int vmspace_exec(struct proc *, vm_offset_t, vm_offset_t);
68int vmspace_unshare(struct proc *);
69void vmspace_exit(struct thread *);
70struct vmspace *vmspace_acquire_ref(struct proc *);
71void vmspace_free(struct vmspace *);
72void vmspace_exitfree(struct proc *);
73void vnode_pager_setsize(struct vnode *, vm_ooffset_t);
74int vslock(void *, size_t);
75void vsunlock(void *, size_t);
76void vm_object_print(/* db_expr_t */ long, boolean_t, /* db_expr_t */ long,
77			  char *);
78int vm_fault_quick(caddr_t v, int prot);
79struct sf_buf *vm_imgact_map_page(vm_object_t object, vm_ooffset_t offset);
80void vm_imgact_unmap_page(struct sf_buf *sf);
81void vm_thread_dispose(struct thread *td);
82void vm_thread_dispose_altkstack(struct thread *td);
83int vm_thread_new(struct thread *td, int pages);
84int vm_thread_new_altkstack(struct thread *td, int pages);
85void vm_thread_swapin(struct thread *td);
86void vm_thread_swapout(struct thread *td);
87#endif				/* _KERNEL */
88#endif				/* !_VM_EXTERN_H_ */
89