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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _LINUX_NFS4_MOUNT_H
2#define _LINUX_NFS4_MOUNT_H
3
4/*
5 * linux/include/linux/nfs4_mount.h
6 *
7 * Copyright (C) 2002 Trond Myklebust
8 *
9 * structure passed from user-space to kernel-space during an nfsv4 mount
10 */
11
12/*
13 * WARNING! Do not delete or change the order of these fields. If
14 * a new field is required then add it to the end. The version field
15 * tracks which fields are present. This will ensure some measure of
16 * mount-to-kernel version compatibility. Some of these aren't used yet
17 * but here they are anyway.
18 */
19#define NFS4_MOUNT_VERSION 1
20
21struct nfs_string {
22 unsigned int len;
23 const char __user * data;
24};
25
26struct nfs4_mount_data {
27 int version; /* 1 */
28 int flags; /* 1 */
29 int rsize; /* 1 */
30 int wsize; /* 1 */
31 int timeo; /* 1 */
32 int retrans; /* 1 */
33 int acregmin; /* 1 */
34 int acregmax; /* 1 */
35 int acdirmin; /* 1 */
36 int acdirmax; /* 1 */
37
38 /* see the definition of 'struct clientaddr4' in RFC3010 */
39 struct nfs_string client_addr; /* 1 */
40
41 /* Mount path */
42 struct nfs_string mnt_path; /* 1 */
43
44 /* Server details */
45 struct nfs_string hostname; /* 1 */
46 /* Server IP address */
47 unsigned int host_addrlen; /* 1 */
48 struct sockaddr __user * host_addr; /* 1 */
49
50 /* Transport protocol to use */
51 int proto; /* 1 */
52
53 /* Pseudo-flavours to use for authentication. See RFC2623 */
54 int auth_flavourlen; /* 1 */
55 int __user *auth_flavours; /* 1 */
56};
57
58/* bits in the flags field */
59/* Note: the fields that correspond to existing NFSv2/v3 mount options
60 * should mirror the values from include/linux/nfs_mount.h
61 */
62
63#define NFS4_MOUNT_SOFT 0x0001 /* 1 */
64#define NFS4_MOUNT_INTR 0x0002 /* 1 */
65#define NFS4_MOUNT_NOCTO 0x0010 /* 1 */
66#define NFS4_MOUNT_NOAC 0x0020 /* 1 */
67#define NFS4_MOUNT_STRICTLOCK 0x1000 /* 1 */
68#define NFS4_MOUNT_FLAGMASK 0xFFFF
69
70#endif