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 /* The following are for internal use only */ 70 #define NFS_MOUNT_LOOKUP_CACHE_NONEG 0x10000 71 #define NFS_MOUNT_LOOKUP_CACHE_NONE 0x20000 72 #define NFS_MOUNT_NORESVPORT 0x40000 73 #define NFS_MOUNT_LEGACY_INTERFACE 0x80000 74 75 #define NFS_MOUNT_LOCAL_FLOCK 0x100000 76 #define NFS_MOUNT_LOCAL_FCNTL 0x200000 77 78 #endif 79
