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      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 (at) 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