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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 
     22 /*
     23  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #ifndef _SHAREFS_SHARE_H
     28 #define	_SHAREFS_SHARE_H
     29 
     30 #pragma ident	"@(#)share.h	1.2	07/09/04 SMI"
     31 
     32 #ifdef __cplusplus
     33 extern "C" {
     34 #endif
     35 
     36 /*
     37  * struct share defines the format of an exported filesystem.
     38  *
     39  * It is also the interface between the userland tools and
     40  * the kernel.
     41  */
     42 typedef struct share {
     43 	char		*sh_path;
     44 	char		*sh_res;
     45 	char		*sh_fstype;
     46 	char		*sh_opts;
     47 	char		*sh_descr;
     48 	size_t		sh_size;
     49 	struct share	*sh_next;
     50 } share_t;
     51 
     52 #ifdef _SYSCALL32
     53 typedef struct share32 {
     54 	caddr32_t	sh_path;
     55 	caddr32_t	sh_res;
     56 	caddr32_t	sh_fstype;
     57 	caddr32_t	sh_opts;
     58 	caddr32_t	sh_descr;
     59 	size32_t	sh_size;
     60 	caddr32_t	sh_next;
     61 } share32_t;
     62 #endif /* _SYSCALL32 */
     63 
     64 #define	SHARETAB	"/etc/dfs/sharetab"
     65 #define	MAXBUFSIZE	65536
     66 
     67 /*
     68  * Flavors of the system call.
     69  */
     70 enum sharefs_sys_op { SHAREFS_ADD, SHAREFS_REMOVE, SHAREFS_REPLACE };
     71 
     72 #ifdef _KERNEL
     73 
     74 extern int sharefs(enum sharefs_sys_op opcode, struct share *sh,
     75     uint32_t iMaxLen);
     76 
     77 #else
     78 
     79 extern int _sharefs(enum sharefs_sys_op opcode, struct share *sh);
     80 
     81 #endif
     82 
     83 #ifdef __cplusplus
     84 }
     85 #endif
     86 
     87 #endif /* !_SHAREFS_SHARE_H */
     88