| 1 | #ifndef _LINUX_NFS_MOUNT_H |
| 2 | #define _LINUX_NFS_MOUNT_H |
| 3 | |
| 4 | /* |
| 5 | * linux/include/linux/nfs_mount.h |
| 6 | * |
| 7 | * Copyright (C) 1992 Rick Sladkey |
| 8 | * |
| 9 | * structure passed from user-space to kernel-space during an nfs mount |
| 10 | */ |
| 11 | #include <linux/in.h> |
| 12 | #include <linux/nfs.h> |
| 13 | #include <linux/nfs2.h> |
| 14 | #include <linux/nfs3.h> |
| 15 | |
| 16 | /* |
| 17 | * WARNING! Do not delete or change the order of these fields. If |
| 18 | * a new field is required then add it to the end. The version field |
| 19 | * tracks which fields are present. This will ensure some measure of |
| 20 | * mount-to-kernel version compatibility. Some of these aren't used yet |
| 21 | * but here they are anyway. |
| 22 | */ |
| 23 | #define NFS_MOUNT_VERSION 6 |
| 24 | #define NFS_MAX_CONTEXT_LEN 256 |
| 25 | |
| 26 | struct nfs_mount_data { |
| 27 | int version; /* 1 */ |
| 28 | int fd; /* 1 */ |
| 29 | struct nfs2_fh old_root; /* 1 */ |
| 30 | int flags; /* 1 */ |
| 31 | int rsize; /* 1 */ |
| 32 | int wsize; /* 1 */ |
| 33 | int timeo; /* 1 */ |
| 34 | int retrans; /* 1 */ |
| 35 | int acregmin; /* 1 */ |
| 36 | int acregmax; /* 1 */ |
| 37 | int acdirmin; /* 1 */ |
| 38 | int acdirmax; /* 1 */ |
| 39 | struct sockaddr_in addr; /* 1 */ |
| 40 | char hostname[NFS_MAXNAMLEN + 1]; /* 1 */ |
| 41 | int namlen; /* 2 */ |
| 42 | unsigned int bsize; /* 3 */ |
| 43 | struct nfs3_fh root; /* 4 */ |
| 44 | int pseudoflavor; /* 5 */ |
| 45 | char context[NFS_MAX_CONTEXT_LEN + 1]; /* 6 */ |
| 46 | }; |
| 47 | |
| 48 | /* bits in the flags field visible to user space */ |
| 49 | |
| 50 | #define NFS_MOUNT_SOFT 0x0001 /* 1 */ |
| 51 | #define NFS_MOUNT_INTR 0x0002 /* 1 */ /* now unused, but ABI */ |
| 52 | #define NFS_MOUNT_SECURE 0x0004 /* 1 */ |
| 53 | #define NFS_MOUNT_POSIX 0x0008 /* 1 */ |
| 54 | #define NFS_MOUNT_NOCTO 0x0010 /* 1 */ |
| 55 | #define NFS_MOUNT_NOAC 0x0020 /* 1 */ |
| 56 | #define NFS_MOUNT_TCP 0x0040 /* 2 */ |
| 57 | #define NFS_MOUNT_VER3 0x0080 /* 3 */ |
| 58 | #define NFS_MOUNT_KERBEROS 0x0100 /* 3 */ |
| 59 | #define NFS_MOUNT_NONLM 0x0200 /* 3 */ |
| 60 | #define NFS_MOUNT_BROKEN_SUID 0x0400 /* 4 */ |
| 61 | #define NFS_MOUNT_NOACL 0x0800 /* 4 */ |
| 62 | #define NFS_MOUNT_STRICTLOCK 0x1000 /* reserved for NFSv4 */ |
| 63 | #define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 */ |
| 64 | #define NFS_MOUNT_NORDIRPLUS 0x4000 /* 5 */ |
| 65 | #define NFS_MOUNT_UNSHARED 0x8000 /* 5 */ |
| 66 | #define NFS_MOUNT_FLAGMASK 0xFFFF |
| 67 | |
| 68 | /* The following are for internal use only */ |
| 69 | #define NFS_MOUNT_LOOKUP_CACHE_NONEG 0x10000 |
| 70 | #define NFS_MOUNT_LOOKUP_CACHE_NONE 0x20000 |
| 71 | #define NFS_MOUNT_NORESVPORT 0x40000 |
| 72 | #define NFS_MOUNT_LEGACY_INTERFACE 0x80000 |
| 73 | |
| 74 | #define NFS_MOUNT_LOCAL_FLOCK 0x100000 |
| 75 | #define NFS_MOUNT_LOCAL_FCNTL 0x200000 |
| 76 | |
| 77 | #endif |