1 /* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
2 /*
3  * Copyright (C) 2002 Andreas Gruenbacher <a.gruenbacher@computer.org>
4  * Copyright (C) 2016 Red Hat, Inc.
5  *
6  * This file is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This file is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  */
17 
18 #ifndef __UAPI_POSIX_ACL_XATTR_H
19 #define __UAPI_POSIX_ACL_XATTR_H
20 
21 #include <linux/types.h>
22 
23 /* Supported ACL a_version fields */
24 #define POSIX_ACL_XATTR_VERSION	0x0002
25 
26 /* An undefined entry e_id value */
27 #define ACL_UNDEFINED_ID	(-1)
28 
29 struct posix_acl_xattr_entry {
30 	__le16			e_tag;
31 	__le16			e_perm;
32 	__le32			e_id;
33 };
34 
35 struct posix_acl_xattr_header {
36 	__le32			a_version;
37 };
38 
39 #endif	/* __UAPI_POSIX_ACL_XATTR_H */
40