kernfs.h revision 1.7 1 1.1 cgd /*
2 1.6 mycroft * Copyright (c) 1992, 1993
3 1.6 mycroft * The Regents of the University of California. All rights reserved.
4 1.1 cgd *
5 1.5 cgd * This code is derived from software donated to Berkeley by
6 1.1 cgd * Jan-Simon Pendry.
7 1.1 cgd *
8 1.2 cgd * Redistribution and use in source and binary forms, with or without
9 1.2 cgd * modification, are permitted provided that the following conditions
10 1.2 cgd * are met:
11 1.2 cgd * 1. Redistributions of source code must retain the above copyright
12 1.2 cgd * notice, this list of conditions and the following disclaimer.
13 1.2 cgd * 2. Redistributions in binary form must reproduce the above copyright
14 1.2 cgd * notice, this list of conditions and the following disclaimer in the
15 1.2 cgd * documentation and/or other materials provided with the distribution.
16 1.2 cgd * 3. All advertising materials mentioning features or use of this software
17 1.2 cgd * must display the following acknowledgement:
18 1.5 cgd * This product includes software developed by the University of
19 1.5 cgd * California, Berkeley and its contributors.
20 1.2 cgd * 4. Neither the name of the University nor the names of its contributors
21 1.2 cgd * may be used to endorse or promote products derived from this software
22 1.2 cgd * without specific prior written permission.
23 1.1 cgd *
24 1.2 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 1.2 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 1.2 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 1.2 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 1.2 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 1.2 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 1.2 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 1.2 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 1.2 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 1.2 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 1.2 cgd * SUCH DAMAGE.
35 1.1 cgd *
36 1.7 mycroft * from: @(#)kernfs.h 8.5 (Berkeley) 6/15/94
37 1.7 mycroft * $Id: kernfs.h,v 1.7 1994/06/15 22:54:38 mycroft Exp $
38 1.1 cgd */
39 1.1 cgd
40 1.6 mycroft #define _PATH_KERNFS "/kern" /* Default mountpoint */
41 1.6 mycroft
42 1.1 cgd #ifdef KERNEL
43 1.1 cgd struct kernfs_mount {
44 1.1 cgd struct vnode *kf_root; /* Root node */
45 1.1 cgd };
46 1.1 cgd
47 1.1 cgd struct kernfs_node {
48 1.5 cgd struct kern_target *kf_kt;
49 1.1 cgd };
50 1.1 cgd
51 1.1 cgd #define VFSTOKERNFS(mp) ((struct kernfs_mount *)((mp)->mnt_data))
52 1.1 cgd #define VTOKERN(vp) ((struct kernfs_node *)(vp)->v_data)
53 1.1 cgd
54 1.6 mycroft extern int (**kernfs_vnodeop_p)();
55 1.1 cgd extern struct vfsops kernfs_vfsops;
56 1.6 mycroft extern dev_t rrootdev;
57 1.1 cgd #endif /* KERNEL */
58