xref: /titanic_44/usr/src/uts/common/sharefs/share.h (revision a237e38e9161f0acd6451439d4a7dd597e66291d)
1*a237e38eSth199096 /*
2*a237e38eSth199096  * CDDL HEADER START
3*a237e38eSth199096  *
4*a237e38eSth199096  * The contents of this file are subject to the terms of the
5*a237e38eSth199096  * Common Development and Distribution License (the "License").
6*a237e38eSth199096  * You may not use this file except in compliance with the License.
7*a237e38eSth199096  *
8*a237e38eSth199096  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*a237e38eSth199096  * or http://www.opensolaris.org/os/licensing.
10*a237e38eSth199096  * See the License for the specific language governing permissions
11*a237e38eSth199096  * and limitations under the License.
12*a237e38eSth199096  *
13*a237e38eSth199096  * When distributing Covered Code, include this CDDL HEADER in each
14*a237e38eSth199096  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*a237e38eSth199096  * If applicable, add the following below this CDDL HEADER, with the
16*a237e38eSth199096  * fields enclosed by brackets "[]" replaced with your own identifying
17*a237e38eSth199096  * information: Portions Copyright [yyyy] [name of copyright owner]
18*a237e38eSth199096  *
19*a237e38eSth199096  * CDDL HEADER END
20*a237e38eSth199096  */
21*a237e38eSth199096 
22*a237e38eSth199096 /*
23*a237e38eSth199096  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24*a237e38eSth199096  * Use is subject to license terms.
25*a237e38eSth199096  */
26*a237e38eSth199096 
27*a237e38eSth199096 #ifndef _SHAREFS_SHARE_H
28*a237e38eSth199096 #define	_SHAREFS_SHARE_H
29*a237e38eSth199096 
30*a237e38eSth199096 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*a237e38eSth199096 
32*a237e38eSth199096 #ifdef __cplusplus
33*a237e38eSth199096 extern "C" {
34*a237e38eSth199096 #endif
35*a237e38eSth199096 
36*a237e38eSth199096 /*
37*a237e38eSth199096  * struct share defines the format of an exported filesystem.
38*a237e38eSth199096  *
39*a237e38eSth199096  * It is also the interface between the userland tools and
40*a237e38eSth199096  * the kernel.
41*a237e38eSth199096  */
42*a237e38eSth199096 typedef struct share {
43*a237e38eSth199096 	char		*sh_path;
44*a237e38eSth199096 	char		*sh_res;
45*a237e38eSth199096 	char		*sh_fstype;
46*a237e38eSth199096 	char		*sh_opts;
47*a237e38eSth199096 	char		*sh_descr;
48*a237e38eSth199096 	size_t		sh_size;
49*a237e38eSth199096 	struct share	*sh_next;
50*a237e38eSth199096 } share_t;
51*a237e38eSth199096 
52*a237e38eSth199096 #ifdef _SYSCALL32
53*a237e38eSth199096 typedef struct share32 {
54*a237e38eSth199096 	caddr32_t	sh_path;
55*a237e38eSth199096 	caddr32_t	sh_res;
56*a237e38eSth199096 	caddr32_t	sh_fstype;
57*a237e38eSth199096 	caddr32_t	sh_opts;
58*a237e38eSth199096 	caddr32_t	sh_descr;
59*a237e38eSth199096 	size32_t	sh_size;
60*a237e38eSth199096 	caddr32_t	sh_next;
61*a237e38eSth199096 } share32_t;
62*a237e38eSth199096 #endif /* _SYSCALL32 */
63*a237e38eSth199096 
64*a237e38eSth199096 #define	SHARETAB	"/etc/dfs/sharetab"
65*a237e38eSth199096 #define	MAXBUFSIZE	65536
66*a237e38eSth199096 
67*a237e38eSth199096 /*
68*a237e38eSth199096  * Flavors of the system call.
69*a237e38eSth199096  */
70*a237e38eSth199096 enum sharefs_sys_op { SHAREFS_ADD, SHAREFS_REMOVE, SHAREFS_REPLACE };
71*a237e38eSth199096 
72*a237e38eSth199096 #ifdef _KERNEL
73*a237e38eSth199096 
74*a237e38eSth199096 extern int	sharefs(enum sharefs_sys_op opcode, struct share *sh,
75*a237e38eSth199096 			uint32_t iMaxLen);
76*a237e38eSth199096 
77*a237e38eSth199096 #else
78*a237e38eSth199096 
79*a237e38eSth199096 extern int	sharefs(enum sharefs_sys_op opcode, struct share *sh);
80*a237e38eSth199096 
81*a237e38eSth199096 #endif
82*a237e38eSth199096 
83*a237e38eSth199096 #ifdef __cplusplus
84*a237e38eSth199096 }
85*a237e38eSth199096 #endif
86*a237e38eSth199096 
87*a237e38eSth199096 #endif /* !_SHAREFS_SHARE_H */
88