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/* $OpenBSD: layer_extern.h,v 1.2 2003/06/02 23:28:10 millert Exp $ */
/* $NetBSD: layer_extern.h,v 1.5 2001/12/06 04:29:23 chs Exp $ */
/*
* Copyright (c) 1999 National Aeronautics & Space Administration
* All rights reserved.
*
* This software was written by William Studenmund of the
* Numerical Aerospace Simulation Facility, NASA Ames Research Center.
*
* 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. Neither the name of the National Aeronautics & Space Administration
* 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 NATIONAL AERONAUTICS & SPACE ADMINISTRATION
* ``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 ADMINISTRATION OR CONTRIB-
* UTORS 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.
*/
/*
* Copyright (c) 1992, 1993, 1995
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software donated to Berkeley by
* Jan-Simon Pendry.
*
* 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. 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.
*
*/
/*
* Routines defined by layerfs
*/
/* misc routines in layer_subr.c */
int layerfs_init(struct vfsconf *);
void layerfs_done(void);
int layer_node_alloc(struct mount *, struct vnode *, struct vnode **);
int layer_node_create(struct mount *, struct vnode *, struct vnode **);
struct vnode *
layer_node_find(struct mount *, struct vnode *);
#define LOG2_SIZEVNODE 7 /* log2(sizeof struct vnode) */
#define LAYER_NHASH(lmp, vp) \
(&((lmp)->layerm_node_hashtbl[(((u_long)vp)>>LOG2_SIZEVNODE) & \
(lmp)->layerm_node_hash]))
/* vfs routines */
int layerfs_start(struct mount *, int, struct proc *);
int layerfs_root(struct mount *, struct vnode **);
int layerfs_quotactl(struct mount *, int, uid_t, caddr_t,
struct proc *);
int layerfs_statfs(struct mount *, struct statfs *, struct proc *);
int layerfs_sync(struct mount *, int, struct ucred *, struct proc *);
int layerfs_vget(struct mount *, ino_t, struct vnode **);
int layerfs_fhtovp(struct mount *, struct fid *, struct vnode **);
int layerfs_checkexp(struct mount *, struct mbuf *, int *,
struct ucred **);
int layerfs_vptofh(struct vnode *, struct fid *);
int layerfs_sysctl(int *, u_int, void *, size_t *, void *, size_t,
struct proc *);
/* VOP routines */
int layer_bypass(void *);
int layer_getattr(void *);
int layer_inactive(void *);
int layer_reclaim(void *);
int layer_print(void *);
int layer_strategy(void *);
int layer_bwrite(void *);
int layer_bmap(void *);
int layer_lock(void *);
int layer_unlock(void *);
int layer_islocked(void *);
int layer_fsync(void *);
int layer_lookup(void *);
int layer_setattr(void *);
int layer_access(void *);
int layer_open(void *);
int layer_getpages(void *);
int layer_putpages(void *);
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