1  /*
2   * include/uapi/linux/nfs_idmap.h
3   *
4   *  UID and GID to name mapping for clients.
5   *
6   *  Copyright (c) 2002 The Regents of the University of Michigan.
7   *  All rights reserved.
8   *
9   *  Marius Aamodt Eriksen <marius@umich.edu>
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   *
15   *  1. Redistributions of source code must retain the above copyright
16   *     notice, this list of conditions and the following disclaimer.
17   *  2. Redistributions in binary form must reproduce the above copyright
18   *     notice, this list of conditions and the following disclaimer in the
19   *     documentation and/or other materials provided with the distribution.
20   *  3. Neither the name of the University nor the names of its
21   *     contributors may be used to endorse or promote products derived
22   *     from this software without specific prior written permission.
23   *
24   *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
25   *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
26   *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27   *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28   *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29   *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30   *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
31   *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
32   *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33   *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
34   *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35   */
36  
37  #ifndef _UAPINFS_IDMAP_H
38  #define _UAPINFS_IDMAP_H
39  
40  #include <linux/types.h>
41  
42  /* XXX from bits/utmp.h  */
43  #define IDMAP_NAMESZ  128
44  
45  #define IDMAP_TYPE_USER  0
46  #define IDMAP_TYPE_GROUP 1
47  
48  #define IDMAP_CONV_IDTONAME 0
49  #define IDMAP_CONV_NAMETOID 1
50  
51  #define IDMAP_STATUS_INVALIDMSG 0x01
52  #define IDMAP_STATUS_AGAIN      0x02
53  #define IDMAP_STATUS_LOOKUPFAIL 0x04
54  #define IDMAP_STATUS_SUCCESS    0x08
55  
56  struct idmap_msg {
57  	__u8  im_type;
58  	__u8  im_conv;
59  	char  im_name[IDMAP_NAMESZ];
60  	__u32 im_id;
61  	__u8  im_status;
62  };
63  
64  
65  #endif /* _UAPINFS_IDMAP_H */
66