xref: /onnv-gate/usr/src/uts/common/sys/mount.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
24*0Sstevel@tonic-gate 
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate  * Copyright (c) 1996, 1999 by Sun Microsystems, Inc.
28*0Sstevel@tonic-gate  * All rights reserved.
29*0Sstevel@tonic-gate  */
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #ifndef _SYS_MOUNT_H
32*0Sstevel@tonic-gate #define	_SYS_MOUNT_H
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 11.10	*/
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate #ifdef	__cplusplus
37*0Sstevel@tonic-gate extern "C" {
38*0Sstevel@tonic-gate #endif
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate /*
41*0Sstevel@tonic-gate  * Flag bits passed to mount(2).
42*0Sstevel@tonic-gate  */
43*0Sstevel@tonic-gate #define	MS_RDONLY	0x0001	/* Read-only */
44*0Sstevel@tonic-gate #define	MS_FSS		0x0002	/* Old (4-argument) mount (compatibility) */
45*0Sstevel@tonic-gate #define	MS_DATA		0x0004	/* 6-argument mount */
46*0Sstevel@tonic-gate #define	MS_NOSUID	0x0010	/* Setuid programs disallowed */
47*0Sstevel@tonic-gate #define	MS_REMOUNT	0x0020	/* Remount */
48*0Sstevel@tonic-gate #define	MS_NOTRUNC	0x0040	/* Return ENAMETOOLONG for long filenames */
49*0Sstevel@tonic-gate #define	MS_OVERLAY	0x0080	/* Allow overlay mounts */
50*0Sstevel@tonic-gate #define	MS_OPTIONSTR	0x0100	/* Data is a an in/out option string */
51*0Sstevel@tonic-gate #define	MS_GLOBAL	0x0200	/* Clustering: Mount into global name space */
52*0Sstevel@tonic-gate #define	MS_FORCE	0x0400	/* Forced unmount */
53*0Sstevel@tonic-gate #define	MS_NOMNTTAB	0x0800	/* Don't show mount in mnttab */
54*0Sstevel@tonic-gate /*
55*0Sstevel@tonic-gate  * Additional flag bits that domount() is prepared to interpret, but that
56*0Sstevel@tonic-gate  * can't be passed through mount(2).
57*0Sstevel@tonic-gate  */
58*0Sstevel@tonic-gate #define	MS_SYSSPACE	0x0008	/* Mounta already in kernel space */
59*0Sstevel@tonic-gate #define	MS_NOSPLICE	0x1000	/* Don't splice fs instance into name space */
60*0Sstevel@tonic-gate #define	MS_NOCHECK	0x2000	/* Clustering: suppress mount busy checks */
61*0Sstevel@tonic-gate /*
62*0Sstevel@tonic-gate  * Mask to sift out flag bits allowable from mount(2).
63*0Sstevel@tonic-gate  */
64*0Sstevel@tonic-gate #define	MS_MASK	\
65*0Sstevel@tonic-gate 	(MS_RDONLY|MS_FSS|MS_DATA|MS_NOSUID|MS_REMOUNT|MS_NOTRUNC|MS_OVERLAY|\
66*0Sstevel@tonic-gate 	    MS_OPTIONSTR|MS_GLOBAL|MS_NOMNTTAB)
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate /*
69*0Sstevel@tonic-gate  * Mask to sift out flag bits allowable from umount2(2).
70*0Sstevel@tonic-gate  */
71*0Sstevel@tonic-gate 
72*0Sstevel@tonic-gate #define	MS_UMOUNT_MASK	(MS_FORCE)
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate /*
75*0Sstevel@tonic-gate  * Maximum option string length accepted or returned by mount(2).
76*0Sstevel@tonic-gate  */
77*0Sstevel@tonic-gate #define	MAX_MNTOPT_STR	1024	/* max length of mount options string */
78*0Sstevel@tonic-gate 
79*0Sstevel@tonic-gate #if defined(__STDC__) && !defined(_KERNEL)
80*0Sstevel@tonic-gate int mount(const char *, const char *, int, ...);
81*0Sstevel@tonic-gate int umount(const char *);
82*0Sstevel@tonic-gate int umount2(const char *, int);
83*0Sstevel@tonic-gate #endif
84*0Sstevel@tonic-gate 
85*0Sstevel@tonic-gate #ifdef	__cplusplus
86*0Sstevel@tonic-gate }
87*0Sstevel@tonic-gate #endif
88*0Sstevel@tonic-gate 
89*0Sstevel@tonic-gate #endif	/* _SYS_MOUNT_H */
90