1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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 */ |
41 | char hostname[NFS_MAXNAMLEN + 1]; /* 1 */ |
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 | |
49 | /* bits in the flags field visible to user space */ |
50 | |
51 | #define NFS_MOUNT_SOFT 0x0001 /* 1 */ |
52 | #define NFS_MOUNT_INTR 0x0002 /* 1 */ /* now unused, but ABI */ |
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 */ |
62 | #define NFS_MOUNT_NOACL 0x0800 /* 4 */ |
63 | #define NFS_MOUNT_STRICTLOCK 0x1000 /* reserved for NFSv4 */ |
64 | #define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 non-text parsed mount data only */ |
65 | #define NFS_MOUNT_NORDIRPLUS 0x4000 /* 5 */ |
66 | #define NFS_MOUNT_UNSHARED 0x8000 /* 5 */ |
67 | #define NFS_MOUNT_FLAGMASK 0xFFFF |
68 | |
69 | #endif |
70 | |