xref: /onnv-gate/usr/src/cmd/fs.d/fslib.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 /*
23*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef	_FSLIB_H
28*0Sstevel@tonic-gate #define	_FSLIB_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #ifdef	__cplusplus
33*0Sstevel@tonic-gate extern "C" {
34*0Sstevel@tonic-gate #endif
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate #include	<sys/mnttab.h>
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate /*
39*0Sstevel@tonic-gate  * This structure is used to build a list of
40*0Sstevel@tonic-gate  * mnttab structures from /etc/mnttab.
41*0Sstevel@tonic-gate  */
42*0Sstevel@tonic-gate typedef struct mntlist {
43*0Sstevel@tonic-gate 	int		mntl_flags;
44*0Sstevel@tonic-gate 	uint_t		mntl_dev;
45*0Sstevel@tonic-gate 	struct extmnttab *mntl_mnt;
46*0Sstevel@tonic-gate 	struct mntlist	*mntl_next;
47*0Sstevel@tonic-gate } mntlist_t;
48*0Sstevel@tonic-gate 
49*0Sstevel@tonic-gate /*
50*0Sstevel@tonic-gate  * Bits for mntl_flags.
51*0Sstevel@tonic-gate  */
52*0Sstevel@tonic-gate #define	MNTL_UNMOUNT	0x01	/* unmount this entry */
53*0Sstevel@tonic-gate #define	MNTL_DIRECT	0x02	/* direct mount entry */
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate /*
56*0Sstevel@tonic-gate  * Routines available in fslib.c:
57*0Sstevel@tonic-gate  */
58*0Sstevel@tonic-gate void			fsfreemnttab(struct extmnttab *);
59*0Sstevel@tonic-gate struct extmnttab 	*fsdupmnttab(struct extmnttab *);
60*0Sstevel@tonic-gate void			fsfreemntlist(mntlist_t *);
61*0Sstevel@tonic-gate 
62*0Sstevel@tonic-gate mntlist_t	*fsmkmntlist(FILE *);
63*0Sstevel@tonic-gate mntlist_t	*fsgetmntlist(void);
64*0Sstevel@tonic-gate mntlist_t	*fsgetmlast(mntlist_t *, struct mnttab *);
65*0Sstevel@tonic-gate void	cmp_requested_to_actual_options(char *, char *, char *, char *);
66*0Sstevel@tonic-gate 
67*0Sstevel@tonic-gate int	fsgetmlevel(char *);
68*0Sstevel@tonic-gate int	fsstrinlist(const char *, const char **);
69*0Sstevel@tonic-gate int	fsgetmaxphys(int *, int *);
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate boolean_t 	fsisstdopt(const char *);
72*0Sstevel@tonic-gate 
73*0Sstevel@tonic-gate /*
74*0Sstevel@tonic-gate  * Routines for determining which zone a mount resides in.
75*0Sstevel@tonic-gate  */
76*0Sstevel@tonic-gate struct zone_summary;
77*0Sstevel@tonic-gate 
78*0Sstevel@tonic-gate struct		zone_summary *fs_get_zone_summaries(void);
79*0Sstevel@tonic-gate boolean_t	fs_mount_in_other_zone(const struct zone_summary *,
80*0Sstevel@tonic-gate     const char *);
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate #undef MIN
83*0Sstevel@tonic-gate #undef MAX
84*0Sstevel@tonic-gate #define	MIN(a, b)	((a) < (b) ? (a) : (b))
85*0Sstevel@tonic-gate #define	MAX(a, b)	((a) > (b) ? (a) : (b))
86*0Sstevel@tonic-gate 
87*0Sstevel@tonic-gate #define	MAXLINE		2048
88*0Sstevel@tonic-gate 
89*0Sstevel@tonic-gate #ifdef	__cplusplus
90*0Sstevel@tonic-gate }
91*0Sstevel@tonic-gate #endif
92*0Sstevel@tonic-gate 
93*0Sstevel@tonic-gate #endif	/* _FSLIB_H */
94