xref: /dflybsd-src/sys/vfs/tmpfs/tmpfs_mount.h (revision 25a86e4415665b1c1970a7192fabe0ac86b0353a)
1f3c171e4SMarkus Pfeiffer /*	$NetBSD: tmpfs_args.h,v 1.3 2008/07/29 09:10:09 pooka Exp $	*/
2f3c171e4SMarkus Pfeiffer /*	$DragonFly: tmpfs_mount.h,v 1.3 2017/10/29 09:10:09 markuspf Exp $	*/
3f3c171e4SMarkus Pfeiffer 
4f3c171e4SMarkus Pfeiffer /*
5f3c171e4SMarkus Pfeiffer  * Copyright (c) 2005, 2006, 2007 The NetBSD Foundation, Inc.
6f3c171e4SMarkus Pfeiffer  * All rights reserved.
7f3c171e4SMarkus Pfeiffer  *
8f3c171e4SMarkus Pfeiffer  * This code is derived from software contributed to The NetBSD Foundation
9f3c171e4SMarkus Pfeiffer  * by Julio M. Merino Vidal, developed as part of Google's Summer of Code
10f3c171e4SMarkus Pfeiffer  * 2005 program.
11f3c171e4SMarkus Pfeiffer  *
12f3c171e4SMarkus Pfeiffer  * Redistribution and use in source and binary forms, with or without
13f3c171e4SMarkus Pfeiffer  * modification, are permitted provided that the following conditions
14f3c171e4SMarkus Pfeiffer  * are met:
15f3c171e4SMarkus Pfeiffer  * 1. Redistributions of source code must retain the above copyright
16f3c171e4SMarkus Pfeiffer  *    notice, this list of conditions and the following disclaimer.
17f3c171e4SMarkus Pfeiffer  * 2. Redistributions in binary form must reproduce the above copyright
18f3c171e4SMarkus Pfeiffer  *    notice, this list of conditions and the following disclaimer in the
19f3c171e4SMarkus Pfeiffer  *    documentation and/or other materials provided with the distribution.
20f3c171e4SMarkus Pfeiffer  *
21f3c171e4SMarkus Pfeiffer  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22f3c171e4SMarkus Pfeiffer  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23f3c171e4SMarkus Pfeiffer  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24f3c171e4SMarkus Pfeiffer  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25f3c171e4SMarkus Pfeiffer  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26f3c171e4SMarkus Pfeiffer  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27f3c171e4SMarkus Pfeiffer  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28f3c171e4SMarkus Pfeiffer  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29f3c171e4SMarkus Pfeiffer  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30f3c171e4SMarkus Pfeiffer  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31f3c171e4SMarkus Pfeiffer  * POSSIBILITY OF SUCH DAMAGE.
32f3c171e4SMarkus Pfeiffer  */
33f3c171e4SMarkus Pfeiffer 
34f3c171e4SMarkus Pfeiffer #ifndef VFS_TMPFS_TMPFS_MOUNT_H_
35f3c171e4SMarkus Pfeiffer #define VFS_TMPFS_TMPFS_MOUNT_H_
36f3c171e4SMarkus Pfeiffer 
37f3c171e4SMarkus Pfeiffer /*
38f3c171e4SMarkus Pfeiffer  * This structure is used to communicate mount parameters between userland
39f3c171e4SMarkus Pfeiffer  * and kernel space.
40f3c171e4SMarkus Pfeiffer  */
41f3c171e4SMarkus Pfeiffer #define TMPFS_ARGS_VERSION	2
42*25a86e44SMarkus Pfeiffer struct tmpfs_mount_info {
43f3c171e4SMarkus Pfeiffer 	int			ta_version;
44f3c171e4SMarkus Pfeiffer 
45f3c171e4SMarkus Pfeiffer 	/* Size counters. */
46f3c171e4SMarkus Pfeiffer 	ino_t			ta_nodes_max;
47f3c171e4SMarkus Pfeiffer 	off_t			ta_size_max;
48f3c171e4SMarkus Pfeiffer 	size_t			ta_maxfsize_max;
49f3c171e4SMarkus Pfeiffer 
50f3c171e4SMarkus Pfeiffer 	/* Root node attributes. */
51f3c171e4SMarkus Pfeiffer 	uid_t			ta_root_uid;
52f3c171e4SMarkus Pfeiffer 	gid_t			ta_root_gid;
53f3c171e4SMarkus Pfeiffer 	mode_t			ta_root_mode;
54f3c171e4SMarkus Pfeiffer };
55f3c171e4SMarkus Pfeiffer 
56f3c171e4SMarkus Pfeiffer #define MNT_GID		0x00000001
57f3c171e4SMarkus Pfeiffer #define MNT_UID		0x00000002
58f3c171e4SMarkus Pfeiffer #define MNT_MODE	0x00000004
59f3c171e4SMarkus Pfeiffer #define MNT_INODES	0x00000008
60f3c171e4SMarkus Pfeiffer #define MNT_SIZE	0x00000010
61f3c171e4SMarkus Pfeiffer #define MNT_MAXFSIZE	0x00000020
62f3c171e4SMarkus Pfeiffer 
63f3c171e4SMarkus Pfeiffer #endif /* VFS_TMPFS_TMPFS_MOUNT_H_ */
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