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6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
1da177e4 LT |
2 | #ifndef _LINUX_NFS4_MOUNT_H |
3 | #define _LINUX_NFS4_MOUNT_H | |
4 | ||
5 | /* | |
6 | * linux/include/linux/nfs4_mount.h | |
7 | * | |
8 | * Copyright (C) 2002 Trond Myklebust | |
9 | * | |
10 | * structure passed from user-space to kernel-space during an nfsv4 mount | |
11 | */ | |
12 | ||
13 | /* | |
14 | * WARNING! Do not delete or change the order of these fields. If | |
15 | * a new field is required then add it to the end. The version field | |
16 | * tracks which fields are present. This will ensure some measure of | |
17 | * mount-to-kernel version compatibility. Some of these aren't used yet | |
18 | * but here they are anyway. | |
19 | */ | |
20 | #define NFS4_MOUNT_VERSION 1 | |
21 | ||
22 | struct nfs_string { | |
23 | unsigned int len; | |
24 | const char __user * data; | |
25 | }; | |
26 | ||
27 | struct nfs4_mount_data { | |
28 | int version; /* 1 */ | |
29 | int flags; /* 1 */ | |
30 | int rsize; /* 1 */ | |
31 | int wsize; /* 1 */ | |
32 | int timeo; /* 1 */ | |
33 | int retrans; /* 1 */ | |
34 | int acregmin; /* 1 */ | |
35 | int acregmax; /* 1 */ | |
36 | int acdirmin; /* 1 */ | |
37 | int acdirmax; /* 1 */ | |
38 | ||
39 | /* see the definition of 'struct clientaddr4' in RFC3010 */ | |
40 | struct nfs_string client_addr; /* 1 */ | |
41 | ||
42 | /* Mount path */ | |
43 | struct nfs_string mnt_path; /* 1 */ | |
44 | ||
45 | /* Server details */ | |
46 | struct nfs_string hostname; /* 1 */ | |
47 | /* Server IP address */ | |
48 | unsigned int host_addrlen; /* 1 */ | |
49 | struct sockaddr __user * host_addr; /* 1 */ | |
50 | ||
51 | /* Transport protocol to use */ | |
52 | int proto; /* 1 */ | |
53 | ||
54 | /* Pseudo-flavours to use for authentication. See RFC2623 */ | |
55 | int auth_flavourlen; /* 1 */ | |
56 | int __user *auth_flavours; /* 1 */ | |
57 | }; | |
58 | ||
59 | /* bits in the flags field */ | |
60 | /* Note: the fields that correspond to existing NFSv2/v3 mount options | |
61 | * should mirror the values from include/linux/nfs_mount.h | |
62 | */ | |
63 | ||
64 | #define NFS4_MOUNT_SOFT 0x0001 /* 1 */ | |
65 | #define NFS4_MOUNT_INTR 0x0002 /* 1 */ | |
66 | #define NFS4_MOUNT_NOCTO 0x0010 /* 1 */ | |
67 | #define NFS4_MOUNT_NOAC 0x0020 /* 1 */ | |
68 | #define NFS4_MOUNT_STRICTLOCK 0x1000 /* 1 */ | |
75180df2 TM |
69 | #define NFS4_MOUNT_UNSHARED 0x8000 /* 1 */ |
70 | #define NFS4_MOUNT_FLAGMASK 0x9033 | |
1da177e4 LT |
71 | |
72 | #endif |