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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _LINUX_NFS_MOUNT_H
2#define _LINUX_NFS_MOUNT_H
3
4/*
5 * linux/include/linux/nfs_mount.h
6 *
7 * Copyright (C) 1992 Rick Sladkey
8 *
9 * structure passed from user-space to kernel-space during an nfs mount
10 */
11#include <linux/in.h>
12#include <linux/nfs.h>
13#include <linux/nfs2.h>
14#include <linux/nfs3.h>
15
16/*
17 * WARNING! Do not delete or change the order of these fields. If
18 * a new field is required then add it to the end. The version field
19 * tracks which fields are present. This will ensure some measure of
20 * mount-to-kernel version compatibility. Some of these aren't used yet
21 * but here they are anyway.
22 */
23#define NFS_MOUNT_VERSION 6
24#define NFS_MAX_CONTEXT_LEN 256
25
26struct nfs_mount_data {
27 int version; /* 1 */
28 int fd; /* 1 */
29 struct nfs2_fh old_root; /* 1 */
30 int flags; /* 1 */
31 int rsize; /* 1 */
32 int wsize; /* 1 */
33 int timeo; /* 1 */
34 int retrans; /* 1 */
35 int acregmin; /* 1 */
36 int acregmax; /* 1 */
37 int acdirmin; /* 1 */
38 int acdirmax; /* 1 */
39 struct sockaddr_in addr; /* 1 */
Chuck Lever5680d482007-07-01 12:12:24 -040040 char hostname[NFS_MAXNAMLEN + 1]; /* 1 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070041 int namlen; /* 2 */
42 unsigned int bsize; /* 3 */
43 struct nfs3_fh root; /* 4 */
44 int pseudoflavor; /* 5 */
45 char context[NFS_MAX_CONTEXT_LEN + 1]; /* 6 */
46};
47
Chuck Leverd7403512008-12-23 15:21:37 -050048/* bits in the flags field visible to user space */
Linus Torvalds1da177e2005-04-16 15:20:36 -070049
50#define NFS_MOUNT_SOFT 0x0001 /* 1 */
Matthew Wilcox150030b2007-12-06 16:24:39 -050051#define NFS_MOUNT_INTR 0x0002 /* 1 */ /* now unused, but ABI */
Linus Torvalds1da177e2005-04-16 15:20:36 -070052#define NFS_MOUNT_SECURE 0x0004 /* 1 */
53#define NFS_MOUNT_POSIX 0x0008 /* 1 */
54#define NFS_MOUNT_NOCTO 0x0010 /* 1 */
55#define NFS_MOUNT_NOAC 0x0020 /* 1 */
56#define NFS_MOUNT_TCP 0x0040 /* 2 */
57#define NFS_MOUNT_VER3 0x0080 /* 3 */
58#define NFS_MOUNT_KERBEROS 0x0100 /* 3 */
59#define NFS_MOUNT_NONLM 0x0200 /* 3 */
60#define NFS_MOUNT_BROKEN_SUID 0x0400 /* 4 */
Andreas Gruenbacherb7fa0552005-06-22 17:16:27 +000061#define NFS_MOUNT_NOACL 0x0800 /* 4 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070062#define NFS_MOUNT_STRICTLOCK 0x1000 /* reserved for NFSv4 */
63#define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 */
Steve Dickson74dd34e2007-04-14 17:01:15 -040064#define NFS_MOUNT_NORDIRPLUS 0x4000 /* 5 */
Trond Myklebust75180df2007-05-16 16:53:28 -040065#define NFS_MOUNT_UNSHARED 0x8000 /* 5 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070066#define NFS_MOUNT_FLAGMASK 0xFFFF
67
Trond Myklebust4eec9522008-07-15 17:58:13 -040068/* The following are for internal use only */
69#define NFS_MOUNT_LOOKUP_CACHE_NONEG 0x10000
70#define NFS_MOUNT_LOOKUP_CACHE_NONE 0x20000
Chuck Leverd7403512008-12-23 15:21:37 -050071#define NFS_MOUNT_NORESVPORT 0x40000
Trond Myklebust4eec9522008-07-15 17:58:13 -040072
Linus Torvalds1da177e2005-04-16 15:20:36 -070073#endif