sys/fs/tmpfs/tmpfs_args.h

   1 /*      $NetBSD: tmpfs_args.h,v 1.1 2008/07/28 12:42:12 pooka Exp $     */
   2
   3 /*
   4  * Copyright (c) 2005, 2006, 2007 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Julio M. Merino Vidal, developed as part of Google's Summer of Code
   9  * 2005 program.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30  * POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #ifndef _FS_TMPFS_TMPFS_ARGS_H_
  34 #define _FS_TMPFS_TMPFS_ARGS_H_
  35
  36 /*
  37  * This structure is used to communicate mount parameters between userland
  38  * and kernel space.
  39  */
  40 #define TMPFS_ARGS_VERSION      1
  41 struct tmpfs_args {
  42         int                     ta_version;
  43
  44         /* Size counters. */
  45         ino_t                   ta_nodes_max;
  46         off_t                   ta_size_max;
  47
  48         /* Root node attributes. */
  49         uid_t                   ta_root_uid;
  50         gid_t                   ta_root_gid;
  51         mode_t                  ta_root_mode;
  52 };
  53
  54 #endif /* _FS_TMPFS_TMPFS_ARGS_H_ */