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