acpi_pad: build only on X86
[linux-2.6/linux-acpi-2.6.git] / include / linux / nfs_idmap.h
blob91a1c24e0cbffdeb97e28d072cd657510d22faab
1 /*
2 * include/linux/nfs_idmap.h
4 * UID and GID to name mapping for clients.
6 * Copyright (c) 2002 The Regents of the University of Michigan.
7 * All rights reserved.
9 * Marius Aamodt Eriksen <marius@umich.edu>
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
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.
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.
37 #ifndef NFS_IDMAP_H
38 #define NFS_IDMAP_H
40 #include <linux/types.h>
42 /* XXX from bits/utmp.h */
43 #define IDMAP_NAMESZ 128
45 #define IDMAP_TYPE_USER 0
46 #define IDMAP_TYPE_GROUP 1
48 #define IDMAP_CONV_IDTONAME 0
49 #define IDMAP_CONV_NAMETOID 1
51 #define IDMAP_STATUS_INVALIDMSG 0x01
52 #define IDMAP_STATUS_AGAIN 0x02
53 #define IDMAP_STATUS_LOOKUPFAIL 0x04
54 #define IDMAP_STATUS_SUCCESS 0x08
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;
64 #ifdef __KERNEL__
66 /* Forward declaration to make this header independent of others */
67 struct nfs_client;
69 int nfs_idmap_new(struct nfs_client *);
70 void nfs_idmap_delete(struct nfs_client *);
72 int nfs_map_name_to_uid(struct nfs_client *, const char *, size_t, __u32 *);
73 int nfs_map_group_to_gid(struct nfs_client *, const char *, size_t, __u32 *);
74 int nfs_map_uid_to_name(struct nfs_client *, __u32, char *);
75 int nfs_map_gid_to_group(struct nfs_client *, __u32, char *);
77 extern unsigned int nfs_idmap_cache_timeout;
78 #endif /* __KERNEL__ */
80 #endif /* NFS_IDMAP_H */