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 * 3. 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: src/sys/vm/vm_extern.h,v 1.46.2.3 2003/01/13 22:51:17 dillon Exp $ 31 * $DragonFly: src/sys/vm/vm_extern.h,v 1.27 2007/04/30 07:18:57 dillon Exp $ 32 */ 33 34 #ifndef _VM_VM_EXTERN_H_ 35 #define _VM_VM_EXTERN_H_ 36 37 #ifndef _SYS_TYPES_H_ 38 #include <sys/types.h> 39 #endif 40 #ifndef _VM_VM_MAP_H_ 41 #include <vm/vm_map.h> 42 #endif 43 #ifndef _VM_VM_KERN_H_ 44 #include <vm/vm_kern.h> 45 #endif 46 #ifndef _MACHINE_TYPES_H_ 47 #include <machine/types.h> 48 #endif 49 50 struct buf; 51 struct proc; 52 struct vmspace; 53 struct vmtotal; 54 struct mount; 55 struct vmspace; 56 struct vnode; 57 58 #ifdef _KERNEL 59 60 extern int vkernel_enable; 61 62 #ifdef TYPEDEF_FOR_UAP 63 int getpagesize (struct proc * p, void *, int *); 64 int madvise (struct proc *, void *, int *); 65 int mincore (struct proc *, void *, int *); 66 int mprotect (struct proc *, void *, int *); 67 int msync (struct proc *, void *, int *); 68 int munmap (struct proc *, void *, int *); 69 int obreak (struct proc *, void *, int *); 70 int sbrk (struct proc *, void *, int *); 71 int sstk (struct proc *, void *, int *); 72 int swapon (struct proc *, void *, int *); 73 #endif 74 75 int grow (struct proc *, size_t); 76 int kernacc(c_caddr_t, int, int); 77 vm_offset_t kmem_alloc3 (vm_map_t, vm_size_t, vm_subsys_t id, int flags); 78 vm_offset_t kmem_alloc_nofault (vm_map_t, vm_size_t, vm_subsys_t id, vm_size_t); 79 vm_offset_t kmem_alloc_pageable (vm_map_t, vm_size_t, vm_subsys_t id); 80 vm_offset_t kmem_alloc_wait (vm_map_t, vm_size_t, vm_subsys_t id); 81 vm_offset_t kmem_alloc_attr(vm_map_t map, vm_size_t size, vm_subsys_t id, 82 int flags, vm_paddr_t low, vm_paddr_t high, vm_memattr_t memattr); 83 void kmem_free (vm_map_t, vm_offset_t, vm_size_t); 84 void kmem_free_wakeup (vm_map_t, vm_offset_t, vm_size_t); 85 void kmem_init (void); 86 void kmem_suballoc (vm_map_t, vm_map_t, vm_offset_t *, vm_offset_t *, vm_size_t); 87 void munmapfd (struct proc *, int); 88 int swaponvp (struct thread *, struct vnode *, u_quad_t); 89 void swapout_procs (int); 90 int useracc(c_caddr_t, int, int); 91 int vm_fault (vm_map_t, vm_offset_t, vm_prot_t, int); 92 vm_page_t vm_fault_page (vm_map_t, vm_offset_t, vm_prot_t, int, int *, int *); 93 vm_page_t vm_fault_page_quick (vm_offset_t, vm_prot_t, int *, int *); 94 void vm_fault_copy_entry (vm_map_t, vm_map_t, vm_map_entry_t, vm_map_entry_t); 95 void vm_fault_unwire (vm_map_t, vm_map_entry_t); 96 int vm_fault_wire (vm_map_t, vm_map_entry_t, boolean_t, int); 97 void vm_fork (struct proc *, struct proc *, int); 98 int vm_test_nominal (void); 99 void vm_wait_nominal (void); 100 void vm_init_limits(struct proc *); 101 102 int vm_mmap (vm_map_t, vm_offset_t *, vm_size_t, vm_prot_t, vm_prot_t, int, void *, vm_ooffset_t); 103 int vm_mmap_to_errno(int rv); 104 vm_offset_t kmem_alloc_contig (vm_offset_t, vm_paddr_t, vm_paddr_t, vm_offset_t); 105 void vm_set_page_size (void); 106 struct vmspace *vmspace_alloc (vm_offset_t, vm_offset_t); 107 void vmspace_initrefs (struct vmspace *); 108 int vmspace_getrefs (struct vmspace *); 109 void vmspace_hold (struct vmspace *); 110 void vmspace_drop (struct vmspace *); 111 void vmspace_ref (struct vmspace *); 112 void vmspace_rel (struct vmspace *); 113 void vmspace_relexit (struct vmspace *); 114 void vmspace_exitfree (struct proc *); 115 void *kmem_alloc_swapbacked(kmem_anon_desc_t *kp, vm_size_t size, 116 vm_subsys_t id); 117 void kmem_free_swapbacked(kmem_anon_desc_t *kp); 118 119 struct vmspace *vmspace_fork (struct vmspace *); 120 void vmspace_exec (struct proc *, struct vmspace *); 121 void vmspace_unshare (struct proc *); 122 void vslock (caddr_t, u_int); 123 void vsunlock (caddr_t, u_int); 124 void vm_object_print (/* db_expr_t */ long, boolean_t, /* db_expr_t */ long, 125 char *); 126 127 static __inline 128 vm_offset_t 129 kmem_alloc (vm_map_t map, vm_size_t size, vm_subsys_t id) 130 { 131 return(kmem_alloc3(map, size, id, 0)); 132 } 133 134 static __inline 135 vm_offset_t 136 kmem_alloc_stack (vm_map_t map, vm_size_t size, int kmflags) 137 { 138 return(kmem_alloc3(map, size, VM_SUBSYS_STACK, kmflags|KM_STACK)); 139 } 140 141 #endif /* _KERNEL */ 142 143 #endif /* !_VM_VM_EXTERN_H_ */ 144