/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _LINUX_NFS_MOUNT_H #define _LINUX_NFS_MOUNT_H /* * linux/include/linux/nfs_mount.h * * Copyright (C) 1992 Rick Sladkey * * structure passed from user-space to kernel-space during an nfs mount */ #include <linux/in.h> #include <linux/nfs.h> #include <linux/nfs2.h> #include <linux/nfs3.h> /* * 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 NFS_MOUNT_VERSION 6 #define NFS_MAX_CONTEXT_LEN 256 struct nfs_mount_data { int version; /* 1 */ int fd; /* 1 */ struct nfs2_fh old_root; /* 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 */ struct sockaddr_in addr; /* 1 */ char hostname[NFS_MAXNAMLEN + 1]; /* 1 */ int namlen; /* 2 */ unsigned int bsize; /* 3 */ struct nfs3_fh root; /* 4 */ int pseudoflavor; /* 5 */ char context[NFS_MAX_CONTEXT_LEN + 1]; /* 6 */ }; /* bits in the flags field visible to user space */ #define NFS_MOUNT_SOFT 0x0001 /* 1 */ #define NFS_MOUNT_INTR 0x0002 /* 1 */ /* now unused, but ABI */ #define NFS_MOUNT_SECURE 0x0004 /* 1 */ #define NFS_MOUNT_POSIX 0x0008 /* 1 */ #define NFS_MOUNT_NOCTO 0x0010 /* 1 */ #define NFS_MOUNT_NOAC 0x0020 /* 1 */ #define NFS_MOUNT_TCP 0x0040 /* 2 */ #define NFS_MOUNT_VER3 0x0080 /* 3 */ #define NFS_MOUNT_KERBEROS 0x0100 /* 3 */ #define NFS_MOUNT_NONLM 0x0200 /* 3 */ #define NFS_MOUNT_BROKEN_SUID 0x0400 /* 4 */ #define NFS_MOUNT_NOACL 0x0800 /* 4 */ #define NFS_MOUNT_STRICTLOCK 0x1000 /* reserved for NFSv4 */ #define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 non-text parsed mount data only */ #define NFS_MOUNT_NORDIRPLUS 0x4000 /* 5 */ #define NFS_MOUNT_UNSHARED 0x8000 /* 5 */ #define NFS_MOUNT_FLAGMASK 0xFFFF #endif