/* 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