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6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
1da177e4 LT |
2 | #ifndef _LINUX_NFS_MOUNT_H |
3 | #define _LINUX_NFS_MOUNT_H | |
4 | ||
5 | /* | |
6 | * linux/include/linux/nfs_mount.h | |
7 | * | |
8 | * Copyright (C) 1992 Rick Sladkey | |
9 | * | |
10 | * structure passed from user-space to kernel-space during an nfs mount | |
11 | */ | |
12 | #include <linux/in.h> | |
13 | #include <linux/nfs.h> | |
14 | #include <linux/nfs2.h> | |
15 | #include <linux/nfs3.h> | |
16 | ||
17 | /* | |
18 | * WARNING! Do not delete or change the order of these fields. If | |
19 | * a new field is required then add it to the end. The version field | |
20 | * tracks which fields are present. This will ensure some measure of | |
21 | * mount-to-kernel version compatibility. Some of these aren't used yet | |
22 | * but here they are anyway. | |
23 | */ | |
24 | #define NFS_MOUNT_VERSION 6 | |
25 | #define NFS_MAX_CONTEXT_LEN 256 | |
26 | ||
27 | struct nfs_mount_data { | |
28 | int version; /* 1 */ | |
29 | int fd; /* 1 */ | |
30 | struct nfs2_fh old_root; /* 1 */ | |
31 | int flags; /* 1 */ | |
32 | int rsize; /* 1 */ | |
33 | int wsize; /* 1 */ | |
34 | int timeo; /* 1 */ | |
35 | int retrans; /* 1 */ | |
36 | int acregmin; /* 1 */ | |
37 | int acregmax; /* 1 */ | |
38 | int acdirmin; /* 1 */ | |
39 | int acdirmax; /* 1 */ | |
40 | struct sockaddr_in addr; /* 1 */ | |
5680d48b | 41 | char hostname[NFS_MAXNAMLEN + 1]; /* 1 */ |
1da177e4 LT |
42 | int namlen; /* 2 */ |
43 | unsigned int bsize; /* 3 */ | |
44 | struct nfs3_fh root; /* 4 */ | |
45 | int pseudoflavor; /* 5 */ | |
46 | char context[NFS_MAX_CONTEXT_LEN + 1]; /* 6 */ | |
47 | }; | |
48 | ||
d740351b | 49 | /* bits in the flags field visible to user space */ |
1da177e4 LT |
50 | |
51 | #define NFS_MOUNT_SOFT 0x0001 /* 1 */ | |
150030b7 | 52 | #define NFS_MOUNT_INTR 0x0002 /* 1 */ /* now unused, but ABI */ |
1da177e4 LT |
53 | #define NFS_MOUNT_SECURE 0x0004 /* 1 */ |
54 | #define NFS_MOUNT_POSIX 0x0008 /* 1 */ | |
55 | #define NFS_MOUNT_NOCTO 0x0010 /* 1 */ | |
56 | #define NFS_MOUNT_NOAC 0x0020 /* 1 */ | |
57 | #define NFS_MOUNT_TCP 0x0040 /* 2 */ | |
58 | #define NFS_MOUNT_VER3 0x0080 /* 3 */ | |
59 | #define NFS_MOUNT_KERBEROS 0x0100 /* 3 */ | |
60 | #define NFS_MOUNT_NONLM 0x0200 /* 3 */ | |
61 | #define NFS_MOUNT_BROKEN_SUID 0x0400 /* 4 */ | |
b7fa0554 | 62 | #define NFS_MOUNT_NOACL 0x0800 /* 4 */ |
1da177e4 | 63 | #define NFS_MOUNT_STRICTLOCK 0x1000 /* reserved for NFSv4 */ |
5837f6df | 64 | #define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 non-text parsed mount data only */ |
74dd34e6 | 65 | #define NFS_MOUNT_NORDIRPLUS 0x4000 /* 5 */ |
75180df2 | 66 | #define NFS_MOUNT_UNSHARED 0x8000 /* 5 */ |
1da177e4 LT |
67 | #define NFS_MOUNT_FLAGMASK 0xFFFF |
68 | ||
69 | #endif |