/*
* 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 __user *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 __user * object_name; /* a userspace data, in most cases user name */
};

struct ncp_privatedata_ioctl
{
size_t len;
void __user * 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 */