Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 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 |