usr/src/uts/common/sharefs/share.h

   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   "%Z%%M% %I%     %E% 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 */