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Annotation of XNU/bsd/miscfs/kernfs/kernfs.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * The contents of this file constitute Original Code as defined in and
                      7:  * are subject to the Apple Public Source License Version 1.1 (the
                      8:  * "License").  You may not use this file except in compliance with the
                      9:  * License.  Please obtain a copy of the License at
                     10:  * http://www.apple.com/publicsource and read it before using this file.
                     11:  * 
                     12:  * This Original Code and all software distributed under the License are
                     13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     17:  * License for the specific language governing rights and limitations
                     18:  * under the License.
                     19:  * 
                     20:  * @APPLE_LICENSE_HEADER_END@
                     21:  */
                     22: /*     $NetBSD: kernfs.h,v 1.9 1995/03/29 22:08:22 briggs Exp $        */
                     23: 
                     24: /*
                     25:  * Copyright (c) 1992, 1993
                     26:  *     The Regents of the University of California.  All rights reserved.
                     27:  *
                     28:  * This code is derived from software donated to Berkeley by
                     29:  * Jan-Simon Pendry.
                     30:  *
                     31:  * Redistribution and use in source and binary forms, with or without
                     32:  * modification, are permitted provided that the following conditions
                     33:  * are met:
                     34:  * 1. Redistributions of source code must retain the above copyright
                     35:  *    notice, this list of conditions and the following disclaimer.
                     36:  * 2. Redistributions in binary form must reproduce the above copyright
                     37:  *    notice, this list of conditions and the following disclaimer in the
                     38:  *    documentation and/or other materials provided with the distribution.
                     39:  * 3. All advertising materials mentioning features or use of this software
                     40:  *    must display the following acknowledgement:
                     41:  *     This product includes software developed by the University of
                     42:  *     California, Berkeley and its contributors.
                     43:  * 4. Neither the name of the University nor the names of its contributors
                     44:  *    may be used to endorse or promote products derived from this software
                     45:  *    without specific prior written permission.
                     46:  *
                     47:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     48:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     49:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     50:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     51:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     52:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     53:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     54:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     55:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     56:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     57:  * SUCH DAMAGE.
                     58:  *
                     59:  *     @(#)kernfs.h    8.5 (Berkeley) 6/15/94
                     60:  */
                     61: 
                     62: #define        _PATH_KERNFS    "/kern"         /* Default mountpoint */
                     63: 
                     64: #ifdef KERNEL
                     65: struct kernfs_mount {
                     66:        struct vnode    *kf_root;       /* Root node */
                     67: };
                     68: 
                     69: struct kernfs_node {
                     70:        struct kern_target *kf_kt;
                     71: };
                     72: 
                     73: #define VFSTOKERNFS(mp)        ((struct kernfs_mount *)((mp)->mnt_data))
                     74: #define        VTOKERN(vp) ((struct kernfs_node *)(vp)->v_data)
                     75: 
                     76: extern int (**kernfs_vnodeop_p)();
                     77: extern struct vfsops kernfs_vfsops;
                     78: extern dev_t rrootdev;
                     79: #endif /* KERNEL */

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