11541Srgrimes/*- 21541Srgrimes * Copyright (c) 1992, 1993 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * Redistribution and use in source and binary forms, with or without 61541Srgrimes * modification, are permitted provided that the following conditions 71541Srgrimes * are met: 81541Srgrimes * 1. Redistributions of source code must retain the above copyright 91541Srgrimes * notice, this list of conditions and the following disclaimer. 101541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111541Srgrimes * notice, this list of conditions and the following disclaimer in the 121541Srgrimes * documentation and/or other materials provided with the distribution. 131541Srgrimes * 4. Neither the name of the University nor the names of its contributors 141541Srgrimes * may be used to endorse or promote products derived from this software 151541Srgrimes * without specific prior written permission. 161541Srgrimes * 171541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271541Srgrimes * SUCH DAMAGE. 281541Srgrimes * 291541Srgrimes * @(#)vm_extern.h 8.2 (Berkeley) 1/12/94 3050477Speter * $FreeBSD$ 311541Srgrimes */ 321541Srgrimes 335283Sbde#ifndef _VM_EXTERN_H_ 345283Sbde#define _VM_EXTERN_H_ 352177Spaul 36255732Sneelstruct pmap; 371541Srgrimesstruct proc; 381541Srgrimesstruct vmspace; 391541Srgrimesstruct vnode; 40254025Sjeffstruct vmem; 411541Srgrimes 4255206Speter#ifdef _KERNEL 437090Sbde 44254025Sjeff/* These operate on kernel virtual addresses only. */ 45254025Sjeffvm_offset_t kva_alloc(vm_size_t); 46254025Sjeffvoid kva_free(vm_offset_t, vm_size_t); 47254025Sjeff 48254025Sjeff/* These operate on pageable virtual addresses. */ 49254025Sjeffvm_offset_t kmap_alloc_wait(vm_map_t, vm_size_t); 50254025Sjeffvoid kmap_free_wakeup(vm_map_t, vm_offset_t, vm_size_t); 51254025Sjeff 52254025Sjeff/* These operate on virtual addresses backed by memory. */ 53254025Sjeffvm_offset_t kmem_alloc_attr(struct vmem *, vm_size_t size, int flags, 54206409Salc vm_paddr_t low, vm_paddr_t high, vm_memattr_t memattr); 55254025Sjeffvm_offset_t kmem_alloc_contig(struct vmem *, vm_size_t size, int flags, 56226928Salc vm_paddr_t low, vm_paddr_t high, u_long alignment, vm_paddr_t boundary, 57226891Salc vm_memattr_t memattr); 58254025Sjeffvm_offset_t kmem_malloc(struct vmem *, vm_size_t size, int flags); 59254025Sjeffvoid kmem_free(struct vmem *, vm_offset_t, vm_size_t); 60254025Sjeff 61254025Sjeff/* This provides memory for previously allocated address space. */ 62254025Sjeffint kmem_back(vm_object_t, vm_offset_t, vm_size_t, int); 63254025Sjeffvoid kmem_unback(vm_object_t, vm_offset_t, vm_size_t); 64254025Sjeff 65254025Sjeff/* Bootstrapping. */ 66178933Salcvm_map_t kmem_suballoc(vm_map_t, vm_offset_t *, vm_offset_t *, vm_size_t, 67178933Salc boolean_t); 68254025Sjeffvoid kmem_init(vm_offset_t, vm_offset_t); 69254025Sjeffvoid kmem_init_zero_region(void); 70254025Sjeffvoid kmeminit(void); 71254025Sjeff 7292727Salfredvoid swapout_procs(int); 73254025Sjeffint kernacc(void *, int, int); 74109630Salfredint useracc(void *, int, int); 7592727Salfredint vm_fault(vm_map_t, vm_offset_t, vm_prot_t, int); 76195329Skibvoid vm_fault_copy_entry(vm_map_t, vm_map_t, vm_map_entry_t, vm_map_entry_t, 77195329Skib vm_ooffset_t *); 78223889Skibint vm_fault_disable_pagefaults(void); 79223889Skibvoid vm_fault_enable_pagefaults(int save); 80253953Sattilioint vm_fault_hold(vm_map_t map, vm_offset_t vaddr, vm_prot_t fault_type, 81216604Salc int fault_flags, vm_page_t *m_hold); 82216699Salcint vm_fault_quick_hold_pages(vm_map_t map, vm_offset_t addr, vm_size_t len, 83216699Salc vm_prot_t prot, vm_page_t *ma, int max_count); 84129571Salcvoid vm_fault_unwire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t); 85199490Salcint vm_fault_wire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t); 86173361Skibint vm_forkproc(struct thread *, struct proc *, struct thread *, struct vmspace *, int); 8792727Salfredvoid vm_waitproc(struct proc *); 88144501Sjhbint vm_mmap(vm_map_t, vm_offset_t *, vm_size_t, vm_prot_t, vm_prot_t, int, objtype_t, void *, vm_ooffset_t); 89223914Skibint vm_mmap_to_errno(int rv); 9092727Salfredvoid vm_set_page_size(void); 91198341Smarcelvoid vm_sync_icache(vm_map_t, vm_offset_t, vm_size_t); 92255732Sneeltypedef int (*pmap_pinit_t)(struct pmap *pmap); 93255732Sneelstruct vmspace *vmspace_alloc(vm_offset_t, vm_offset_t, pmap_pinit_t); 94194766Skibstruct vmspace *vmspace_fork(struct vmspace *, vm_ooffset_t *); 95173361Skibint vmspace_exec(struct proc *, vm_offset_t, vm_offset_t); 96173361Skibint vmspace_unshare(struct proc *); 97159054Steggevoid vmspace_exit(struct thread *); 98159054Steggestruct vmspace *vmspace_acquire_ref(struct proc *); 9992727Salfredvoid vmspace_free(struct vmspace *); 10092727Salfredvoid vmspace_exitfree(struct proc *); 10192727Salfredvoid vnode_pager_setsize(struct vnode *, vm_ooffset_t); 102127007Struckmanint vslock(void *, size_t); 103127007Struckmanvoid vsunlock(void *, size_t); 104153485Salcstruct sf_buf *vm_imgact_map_page(vm_object_t object, vm_ooffset_t offset); 105253953Sattiliovoid vm_imgact_unmap_page(struct sf_buf *sf); 106116355Salcvoid vm_thread_dispose(struct thread *td); 107173361Skibint vm_thread_new(struct thread *td, int pages); 108251523Sglebiusint vm_mlock(struct proc *, struct ucred *, const void *, size_t); 10955206Speter#endif /* _KERNEL */ 1105455Sdg#endif /* !_VM_EXTERN_H_ */ 111