125981136fb13bcacf5f475f3e0ec750341e1e671Christopher Ferris/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#ifndef _LINUX_NFS_MOUNT_H 3224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define _LINUX_NFS_MOUNT_H 4224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 5224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* 6224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * linux/include/linux/nfs_mount.h 7224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 8224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Copyright (C) 1992 Rick Sladkey 9224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 10224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * structure passed from user-space to kernel-space during an nfs mount 11224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 12224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#include <linux/in.h> 13224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#include <linux/nfs.h> 14224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#include <linux/nfs2.h> 15224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#include <linux/nfs3.h> 16224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 17224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* 18224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * WARNING! Do not delete or change the order of these fields. If 19224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * a new field is required then add it to the end. The version field 20224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * tracks which fields are present. This will ensure some measure of 21224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * mount-to-kernel version compatibility. Some of these aren't used yet 22224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * but here they are anyway. 23224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 24224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_VERSION 6 25224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MAX_CONTEXT_LEN 256 26224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 27224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct nfs_mount_data { 28224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng int version; /* 1 */ 29224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng int fd; /* 1 */ 30224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct nfs2_fh old_root; /* 1 */ 31224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng int flags; /* 1 */ 32224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng int rsize; /* 1 */ 33224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng int wsize; /* 1 */ 34224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng int timeo; /* 1 */ 35224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng int retrans; /* 1 */ 36224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng int acregmin; /* 1 */ 37224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng int acregmax; /* 1 */ 38224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng int acdirmin; /* 1 */ 39224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng int acdirmax; /* 1 */ 40224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct sockaddr_in addr; /* 1 */ 41224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng char hostname[NFS_MAXNAMLEN + 1]; /* 1 */ 42224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng int namlen; /* 2 */ 43224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng unsigned int bsize; /* 3 */ 44224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct nfs3_fh root; /* 4 */ 45224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng int pseudoflavor; /* 5 */ 46224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng char context[NFS_MAX_CONTEXT_LEN + 1]; /* 6 */ 47224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng}; 48224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 49224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* bits in the flags field visible to user space */ 50224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 51224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_SOFT 0x0001 /* 1 */ 52224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_INTR 0x0002 /* 1 */ /* now unused, but ABI */ 53224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_SECURE 0x0004 /* 1 */ 54224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_POSIX 0x0008 /* 1 */ 55224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_NOCTO 0x0010 /* 1 */ 56224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_NOAC 0x0020 /* 1 */ 57224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_TCP 0x0040 /* 2 */ 58224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_VER3 0x0080 /* 3 */ 59224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_KERBEROS 0x0100 /* 3 */ 60224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_NONLM 0x0200 /* 3 */ 61224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_BROKEN_SUID 0x0400 /* 4 */ 62224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_NOACL 0x0800 /* 4 */ 63224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_STRICTLOCK 0x1000 /* reserved for NFSv4 */ 64e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 non-text parsed mount data only */ 65224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_NORDIRPLUS 0x4000 /* 5 */ 66224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_UNSHARED 0x8000 /* 5 */ 67224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_FLAGMASK 0xFFFF 68224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 69224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* The following are for internal use only */ 70224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_LOOKUP_CACHE_NONEG 0x10000 71224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_LOOKUP_CACHE_NONE 0x20000 72224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_NORESVPORT 0x40000 73224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_LEGACY_INTERFACE 0x80000 74224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 75224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_LOCAL_FLOCK 0x100000 76224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NFS_MOUNT_LOCAL_FCNTL 0x200000 77224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 78224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#endif 79