Files
darling/platform-include/sys/vnode.h
2014-12-04 01:11:22 +01:00

137 lines
4.9 KiB
C

/*
* Copyright (c) 2000-2014 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*
* @(#)vnode.h 8.17 (Berkeley) 5/20/95
*/
#ifndef _VNODE_H_
#define _VNODE_H_
#include <sys/appleapiopts.h>
#include <sys/cdefs.h>
/*
* The vnode is the focus of all file activity in UNIX. There is a
* unique vnode allocated for each active file, each current directory,
* each mounted-on file, text file, and the root.
*/
/*
* Vnode types. VNON means no type.
*/
enum vtype {
/* 0 */
VNON,
/* 1 - 5 */
VREG, VDIR, VBLK, VCHR, VLNK,
/* 6 - 10 */
VSOCK, VFIFO, VBAD, VSTR, VCPLX
};
/*
* Vnode tag types.
* These are for the benefit of external programs only (e.g., pstat)
* and should NEVER be inspected by the kernel.
*/
enum vtagtype {
/* 0 */
VT_NON,
/* 1 reserved, overlaps with (CTL_VFS, VFS_NUMMNTOPS) */
VT_UFS,
/* 2 - 5 */
VT_NFS, VT_MFS, VT_MSDOSFS, VT_LFS,
/* 6 - 10 */
VT_LOFS, VT_FDESC, VT_PORTAL, VT_NULL, VT_UMAP,
/* 11 - 15 */
VT_KERNFS, VT_PROCFS, VT_AFS, VT_ISOFS, VT_MOCKFS,
/* 16 - 20 */
VT_HFS, VT_ZFS, VT_DEVFS, VT_WEBDAV, VT_UDF,
/* 21 - 24 */
VT_AFP, VT_CDDA, VT_CIFS, VT_OTHER
};
/*
* flags for VNOP_BLOCKMAP
*/
#define VNODE_READ 0x01
#define VNODE_WRITE 0x02
/* flags for VNOP_ALLOCATE */
#define PREALLOCATE 0x00000001 /* preallocate allocation blocks */
#define ALLOCATECONTIG 0x00000002 /* allocate contigious space */
#define ALLOCATEALL 0x00000004 /* allocate all requested space */
/* or no space at all */
#define FREEREMAINDER 0x00000008 /* deallocate allocated but */
/* unfilled blocks */
#define ALLOCATEFROMPEOF 0x00000010 /* allocate from the physical eof */
#define ALLOCATEFROMVOL 0x00000020 /* allocate from the volume offset */
/*
* Token indicating no attribute value yet assigned. some user source uses this
*/
#define VNOVAL (-1)
#endif /* !_VNODE_H_ */