vm_extern.h revision 196640
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 196640 2009-08-29 13:28:02Z kib $ 31 */ 32 33#ifndef _VM_EXTERN_H_ 34#define _VM_EXTERN_H_ 35 36struct proc; 37struct vmspace; 38struct vnode; 39 40#ifdef _KERNEL 41 42int kernacc(void *, int, int); 43vm_offset_t kmem_alloc(vm_map_t, vm_size_t); 44vm_offset_t kmem_alloc_contig(vm_map_t map, vm_size_t size, int flags, 45 vm_paddr_t low, vm_paddr_t high, unsigned long alignment, 46 unsigned long boundary, vm_memattr_t memattr); 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, 59 vm_ooffset_t *); 60void vm_fault_unwire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t); 61int vm_fault_wire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t, boolean_t); 62int vm_forkproc(struct thread *, struct proc *, struct thread *, struct vmspace *, int); 63void vm_waitproc(struct proc *); 64int vm_mmap(vm_map_t, vm_offset_t *, vm_size_t, vm_prot_t, vm_prot_t, int, objtype_t, void *, vm_ooffset_t); 65void vm_set_page_size(void); 66struct vmspace *vmspace_alloc(vm_offset_t, vm_offset_t); 67struct vmspace *vmspace_fork(struct vmspace *, vm_ooffset_t *); 68int vmspace_exec(struct proc *, vm_offset_t, vm_offset_t); 69int vmspace_unshare(struct proc *); 70void vmspace_exit(struct thread *); 71struct vmspace *vmspace_acquire_ref(struct proc *); 72void vmspace_free(struct vmspace *); 73void vmspace_exitfree(struct proc *); 74void vnode_pager_setsize(struct vnode *, vm_ooffset_t); 75int vslock(void *, size_t); 76void vsunlock(void *, size_t); 77void vm_object_print(/* db_expr_t */ long, boolean_t, /* db_expr_t */ long, 78 char *); 79int vm_fault_quick(caddr_t v, int prot); 80struct sf_buf *vm_imgact_map_page(vm_object_t object, vm_ooffset_t offset); 81void vm_imgact_unmap_page(struct sf_buf *sf); 82void vm_thread_dispose(struct thread *td); 83int vm_thread_new(struct thread *td, int pages); 84void vm_thread_swapin(struct thread *td); 85void vm_thread_swapout(struct thread *td); 86#endif /* _KERNEL */ 87#endif /* !_VM_EXTERN_H_ */ 88