1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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 */ |
69 | #define NFS4_MOUNT_UNSHARED 0x8000 /* 1 */ |
70 | #define NFS4_MOUNT_FLAGMASK 0x9033 |
71 | |
72 | #endif |
73 | |