/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _LINUX_NFS4_MOUNT_H
#define _LINUX_NFS4_MOUNT_H
/*
* linux/include/linux/nfs4_mount.h
*
* Copyright (C) 2002 Trond Myklebust
*
* structure passed from user-space to kernel-space during an nfsv4 mount
*/
/*
* WARNING! Do not delete or change the order of these fields. If
* a new field is required then add it to the end. The version field
* tracks which fields are present. This will ensure some measure of
* mount-to-kernel version compatibility. Some of these aren't used yet
* but here they are anyway.
*/
#define NFS4_MOUNT_VERSION 1
struct nfs_string {
unsigned int len;
const char * data;
};
struct nfs4_mount_data {
int version; /* 1 */
int flags; /* 1 */
int rsize; /* 1 */
int wsize; /* 1 */
int timeo; /* 1 */
int retrans; /* 1 */
int acregmin; /* 1 */
int acregmax; /* 1 */
int acdirmin; /* 1 */
int acdirmax; /* 1 */
/* see the definition of 'struct clientaddr4' in RFC3010 */
struct nfs_string client_addr; /* 1 */
/* Mount path */
struct nfs_string mnt_path; /* 1 */
/* Server details */
struct nfs_string hostname; /* 1 */
/* Server IP address */
unsigned int host_addrlen; /* 1 */
struct sockaddr * host_addr; /* 1 */
/* Transport protocol to use */
int proto; /* 1 */
/* Pseudo-flavours to use for authentication. See RFC2623 */
int auth_flavourlen; /* 1 */
int *auth_flavours; /* 1 */
};
/* bits in the flags field */
/* Note: the fields that correspond to existing NFSv2/v3 mount options
* should mirror the values from include/linux/nfs_mount.h
*/
#define NFS4_MOUNT_SOFT 0x0001 /* 1 */
#define NFS4_MOUNT_INTR 0x0002 /* 1 */
#define NFS4_MOUNT_NOCTO 0x0010 /* 1 */
#define NFS4_MOUNT_NOAC 0x0020 /* 1 */
#define NFS4_MOUNT_STRICTLOCK 0x1000 /* 1 */
#define NFS4_MOUNT_UNSHARED 0x8000 /* 1 */
#define NFS4_MOUNT_FLAGMASK 0x9033
#endif