79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _LINUX_NFS_MOUNT_H
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#define _LINUX_NFS_MOUNT_H
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/*
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* linux/include/linux/nfs_mount.h
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*
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* Copyright (C) 1992 Rick Sladkey
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*
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* structure passed from user-space to kernel-space during an nfs mount
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*/
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#include <linux/in.h>
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#include <linux/nfs.h>
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#include <linux/nfs2.h>
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#include <linux/nfs3.h>
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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 NFS_MOUNT_VERSION 6
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#define NFS_MAX_CONTEXT_LEN 256
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struct nfs_mount_data {
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int version; /* 1 */
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int fd; /* 1 */
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struct nfs2_fh old_root; /* 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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struct sockaddr_in addr; /* 1 */
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char hostname[NFS_MAXNAMLEN + 1]; /* 1 */
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int namlen; /* 2 */
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unsigned int bsize; /* 3 */
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struct nfs3_fh root; /* 4 */
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int pseudoflavor; /* 5 */
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char context[NFS_MAX_CONTEXT_LEN + 1]; /* 6 */
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};
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/* bits in the flags field visible to user space */
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#define NFS_MOUNT_SOFT 0x0001 /* 1 */
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#define NFS_MOUNT_INTR 0x0002 /* 1 */ /* now unused, but ABI */
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#define NFS_MOUNT_SECURE 0x0004 /* 1 */
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#define NFS_MOUNT_POSIX 0x0008 /* 1 */
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#define NFS_MOUNT_NOCTO 0x0010 /* 1 */
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#define NFS_MOUNT_NOAC 0x0020 /* 1 */
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#define NFS_MOUNT_TCP 0x0040 /* 2 */
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#define NFS_MOUNT_VER3 0x0080 /* 3 */
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#define NFS_MOUNT_KERBEROS 0x0100 /* 3 */
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#define NFS_MOUNT_NONLM 0x0200 /* 3 */
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#define NFS_MOUNT_BROKEN_SUID 0x0400 /* 4 */
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#define NFS_MOUNT_NOACL 0x0800 /* 4 */
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#define NFS_MOUNT_STRICTLOCK 0x1000 /* reserved for NFSv4 */
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#define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 non-text parsed mount data only */
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#define NFS_MOUNT_NORDIRPLUS 0x4000 /* 5 */
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#define NFS_MOUNT_UNSHARED 0x8000 /* 5 */
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#define NFS_MOUNT_FLAGMASK 0xFFFF
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/* The following are for internal use only */
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#define NFS_MOUNT_LOOKUP_CACHE_NONEG 0x10000
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#define NFS_MOUNT_LOOKUP_CACHE_NONE 0x20000
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#define NFS_MOUNT_NORESVPORT 0x40000
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#define NFS_MOUNT_LEGACY_INTERFACE 0x80000
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#define NFS_MOUNT_LOCAL_FLOCK 0x100000
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#define NFS_MOUNT_LOCAL_FCNTL 0x200000
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#endif
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