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/*
 *  ncp_fs.h
 *
 *  Copyright (C) 1995, 1996 by Volker Lendecke
 *
 */

#ifndef _LINUX_NCP_FS_H
#define _LINUX_NCP_FS_H

#include <linux/fs.h>
#include <linux/in.h>
#include <linux/types.h>
#include <linux/magic.h>

#include <linux/ipx.h>
#include <linux/ncp_no.h>

/*
 * ioctl commands
 */

struct ncp_ioctl_request {
	unsigned int function;
	unsigned int size;
	char *data;
};

struct ncp_fs_info {
	int version;
	struct sockaddr_ipx addr;
	__kernel_uid_t mounted_uid;
	int connection;		/* Connection number the server assigned us */
	int buffer_size;	/* The negotiated buffer size, to be
				   used for read/write requests! */

	int volume_number;
	__le32 directory_id;
};

struct ncp_fs_info_v2 {
	int version;
	unsigned long mounted_uid;
	unsigned int connection;
	unsigned int buffer_size;

	unsigned int volume_number;
	__le32 directory_id;

	__u32 dummy1;
	__u32 dummy2;
	__u32 dummy3;
};

struct ncp_sign_init
{
	char sign_root[8];
	char sign_last[16];
};

struct ncp_lock_ioctl
{
#define NCP_LOCK_LOG	0
#define NCP_LOCK_SH	1
#define NCP_LOCK_EX	2
#define NCP_LOCK_CLEAR	256
	int		cmd;
	int		origin;
	unsigned int	offset;
	unsigned int	length;
#define NCP_LOCK_DEFAULT_TIMEOUT	18
#define NCP_LOCK_MAX_TIMEOUT		180
	int		timeout;
};

struct ncp_setroot_ioctl
{
	int		volNumber;
	int		namespace;
	__le32		dirEntNum;
};

struct ncp_objectname_ioctl
{
#define NCP_AUTH_NONE	0x00
#define NCP_AUTH_BIND	0x31
#define NCP_AUTH_NDS	0x32
	int		auth_type;
	size_t		object_name_len;
	void *	object_name;	/* a userspace data, in most cases user name */
};

struct ncp_privatedata_ioctl
{
	size_t		len;
	void *	data;		/* ~1000 for NDS */
};

/* NLS charsets by ioctl */
#define NCP_IOCSNAME_LEN 20
struct ncp_nls_ioctl
{
	unsigned char codepage[NCP_IOCSNAME_LEN+1];
	unsigned char iocharset[NCP_IOCSNAME_LEN+1];
};

#define	NCP_IOC_NCPREQUEST		_IOR('n', 1, struct ncp_ioctl_request)
#define	NCP_IOC_GETMOUNTUID		_IOW('n', 2, __kernel_old_uid_t)
#define NCP_IOC_GETMOUNTUID2		_IOW('n', 2, unsigned long)

#define NCP_IOC_CONN_LOGGED_IN          _IO('n', 3)

#define NCP_GET_FS_INFO_VERSION    (1)
#define NCP_IOC_GET_FS_INFO             _IOWR('n', 4, struct ncp_fs_info)
#define NCP_GET_FS_INFO_VERSION_V2 (2)
#define NCP_IOC_GET_FS_INFO_V2		_IOWR('n', 4, struct ncp_fs_info_v2)

#define NCP_IOC_SIGN_INIT		_IOR('n', 5, struct ncp_sign_init)
#define NCP_IOC_SIGN_WANTED		_IOR('n', 6, int)
#define NCP_IOC_SET_SIGN_WANTED		_IOW('n', 6, int)

#define NCP_IOC_LOCKUNLOCK		_IOR('n', 7, struct ncp_lock_ioctl)

#define NCP_IOC_GETROOT			_IOW('n', 8, struct ncp_setroot_ioctl)
#define NCP_IOC_SETROOT			_IOR('n', 8, struct ncp_setroot_ioctl)

#define NCP_IOC_GETOBJECTNAME		_IOWR('n', 9, struct ncp_objectname_ioctl)
#define NCP_IOC_SETOBJECTNAME		_IOR('n', 9, struct ncp_objectname_ioctl)
#define NCP_IOC_GETPRIVATEDATA		_IOWR('n', 10, struct ncp_privatedata_ioctl)
#define NCP_IOC_SETPRIVATEDATA		_IOR('n', 10, struct ncp_privatedata_ioctl)

#define NCP_IOC_GETCHARSETS		_IOWR('n', 11, struct ncp_nls_ioctl)
#define NCP_IOC_SETCHARSETS		_IOR('n', 11, struct ncp_nls_ioctl)

#define NCP_IOC_GETDENTRYTTL		_IOW('n', 12, __u32)
#define NCP_IOC_SETDENTRYTTL		_IOR('n', 12, __u32)

/*
 * The packet size to allocate. One page should be enough.
 */
#define NCP_PACKET_SIZE 4070

#define NCP_MAXPATHLEN 255
#define NCP_MAXNAMELEN 14

#endif				/* _LINUX_NCP_FS_H */
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