OpenSolaris_b135/uts/common/sharefs/share.h

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SHAREFS_SHARE_H
#define	_SHAREFS_SHARE_H

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#ifdef __cplusplus
extern "C" {
#endif

/*
 * struct share defines the format of an exported filesystem.
 *
 * It is also the interface between the userland tools and
 * the kernel.
 */
typedef struct share {
	char		*sh_path;
	char		*sh_res;
	char		*sh_fstype;
	char		*sh_opts;
	char		*sh_descr;
	size_t		sh_size;
	struct share	*sh_next;
} share_t;

#ifdef _SYSCALL32
typedef struct share32 {
	caddr32_t	sh_path;
	caddr32_t	sh_res;
	caddr32_t	sh_fstype;
	caddr32_t	sh_opts;
	caddr32_t	sh_descr;
	size32_t	sh_size;
	caddr32_t	sh_next;
} share32_t;
#endif /* _SYSCALL32 */

#define	SHARETAB	"/etc/dfs/sharetab"
#define	MAXBUFSIZE	65536

/*
 * Flavors of the system call.
 */
enum sharefs_sys_op { SHAREFS_ADD, SHAREFS_REMOVE, SHAREFS_REPLACE };

#ifdef _KERNEL

extern int sharefs(enum sharefs_sys_op opcode, struct share *sh,
    uint32_t iMaxLen);

#else

extern int _sharefs(enum sharefs_sys_op opcode, struct share *sh);

#endif

#ifdef __cplusplus
}
#endif

#endif /* !_SHAREFS_SHARE_H */