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