xref: /openbmc/linux/fs/nfsd/acl.h (revision ee89bd6b)
1 /*
2  *  Common NFSv4 ACL handling definitions.
3  *
4  *  Copyright (c) 2002 The Regents of the University of Michigan.
5  *  All rights reserved.
6  *
7  *  Marius Aamodt Eriksen <marius@umich.edu>
8  *
9  *  Redistribution and use in source and binary forms, with or without
10  *  modification, are permitted provided that the following conditions
11  *  are met:
12  *
13  *  1. Redistributions of source code must retain the above copyright
14  *     notice, this list of conditions and the following disclaimer.
15  *  2. Redistributions in binary form must reproduce the above copyright
16  *     notice, this list of conditions and the following disclaimer in the
17  *     documentation and/or other materials provided with the distribution.
18  *  3. Neither the name of the University nor the names of its
19  *     contributors may be used to endorse or promote products derived
20  *     from this software without specific prior written permission.
21  *
22  *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
23  *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25  *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
29  *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
30  *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
31  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
32  *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 #ifndef LINUX_NFS4_ACL_H
36 #define LINUX_NFS4_ACL_H
37 
38 #include <linux/posix_acl.h>
39 
40 /* Maximum ACL we'll accept from client; chosen (somewhat arbitrarily) to
41  * fit in a page: */
42 #define NFS4_ACL_MAX 170
43 
44 struct nfs4_acl *nfs4_acl_new(int);
45 int nfs4_acl_get_whotype(char *, u32);
46 int nfs4_acl_write_who(int who, char *p);
47 
48 #define NFS4_ACL_TYPE_DEFAULT	0x01
49 #define NFS4_ACL_DIR		0x02
50 #define NFS4_ACL_OWNER		0x04
51 
52 struct nfs4_acl *nfs4_acl_posix_to_nfsv4(struct posix_acl *,
53 				struct posix_acl *, unsigned int flags);
54 int nfs4_acl_nfsv4_to_posix(struct nfs4_acl *, struct posix_acl **,
55 				struct posix_acl **, unsigned int flags);
56 
57 #endif /* LINUX_NFS4_ACL_H */
58