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/* 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