/*
   *  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
  
  #ifdef __KERNEL__

  #include <linux/ncp_fs_i.h>
  #include <linux/ncp_fs_sb.h>

  /* define because it is easy to change PRINTK to {*}PRINTK */
  #define PRINTK(format, args...) printk(KERN_DEBUG format , ## args)
  
  #undef NCPFS_PARANOIA
  #ifdef NCPFS_PARANOIA
  #define PPRINTK(format, args...) PRINTK(format , ## args)
  #else
  #define PPRINTK(format, args...)
  #endif
  
  #ifndef DEBUG_NCP
  #define DEBUG_NCP 0
  #endif
  #if DEBUG_NCP > 0
  #define DPRINTK(format, args...) PRINTK(format , ## args)
  #else
  #define DPRINTK(format, args...)
  #endif
  #if DEBUG_NCP > 1
  #define DDPRINTK(format, args...) PRINTK(format , ## args)
  #else
  #define DDPRINTK(format, args...)
  #endif
  
  #define NCP_MAX_RPC_TIMEOUT (6*HZ)
  
  
  struct ncp_entry_info {
  	struct nw_info_struct	i;
  	ino_t			ino;
  	int			opened;
  	int			access;
  	unsigned int		volume;
  	__u8			file_handle[6];
  };

  static inline struct ncp_server *NCP_SBP(struct super_block *sb)
  {
  	return sb->s_fs_info;
  }
  
  #define NCP_SERVER(inode)	NCP_SBP((inode)->i_sb)
  static inline struct ncp_inode_info *NCP_FINFO(struct inode *inode)
  {
  	return container_of(inode, struct ncp_inode_info, vfs_inode);
  }

  /* linux/fs/ncpfs/inode.c */
  int ncp_notify_change(struct dentry *, struct iattr *);
  struct inode *ncp_iget(struct super_block *, struct ncp_entry_info *);
  void ncp_update_inode(struct inode *, struct ncp_entry_info *);
  void ncp_update_inode2(struct inode *, struct ncp_entry_info *);
  
  /* linux/fs/ncpfs/dir.c */

  extern const struct inode_operations ncp_dir_inode_operations;

  extern const struct file_operations ncp_dir_operations;

  extern const struct dentry_operations ncp_root_dentry_operations;

  int ncp_conn_logged_in(struct super_block *);
  int ncp_date_dos2unix(__le16 time, __le16 date);
  void ncp_date_unix2dos(int unix_date, __le16 * time, __le16 * date);
  
  /* linux/fs/ncpfs/ioctl.c */

  long ncp_ioctl(struct file *, unsigned int, unsigned long);

  long ncp_compat_ioctl(struct file *, unsigned int, unsigned long);

  
  /* linux/fs/ncpfs/sock.c */
  int ncp_request2(struct ncp_server *server, int function,
  	void* reply, int max_reply_size);
  static inline int ncp_request(struct ncp_server *server, int function) {
  	return ncp_request2(server, function, server->packet, server->packet_size);
  }
  int ncp_connect(struct ncp_server *server);
  int ncp_disconnect(struct ncp_server *server);
  void ncp_lock_server(struct ncp_server *server);
  void ncp_unlock_server(struct ncp_server *server);

  /* linux/fs/ncpfs/symlink.c */
  #if defined(CONFIG_NCPFS_EXTRAS) || defined(CONFIG_NCPFS_NFS_NS)
  extern const struct address_space_operations ncp_symlink_aops;
  int ncp_symlink(struct inode*, struct dentry*, const char*);
  #endif

  /* linux/fs/ncpfs/file.c */

  extern const struct inode_operations ncp_file_inode_operations;

  extern const struct file_operations ncp_file_operations;

  int ncp_make_open(struct inode *, int);
  
  /* linux/fs/ncpfs/mmap.c */
  int ncp_mmap(struct file *, struct vm_area_struct *);
  
  /* linux/fs/ncpfs/ncplib_kernel.c */
  int ncp_make_closed(struct inode *);
  
  #define ncp_namespace(i)	(NCP_SERVER(i)->name_space[NCP_FINFO(i)->volNumber])
  
  static inline int ncp_preserve_entry_case(struct inode *i, __u32 nscreator)
  {
  #ifdef CONFIG_NCPFS_SMALLDOS
  	int ns = ncp_namespace(i);
  
  	if ((ns == NW_NS_DOS)
  #ifdef CONFIG_NCPFS_OS2_NS
  		|| ((ns == NW_NS_OS2) && (nscreator == NW_NS_DOS))
  #endif /* CONFIG_NCPFS_OS2_NS */
  				)
  		return 0;
  #endif /* CONFIG_NCPFS_SMALLDOS */
  	return 1;
  }
  
  #define ncp_preserve_case(i)	(ncp_namespace(i) != NW_NS_DOS)
  
  static inline int ncp_case_sensitive(struct inode *i)
  {
  #ifdef CONFIG_NCPFS_NFS_NS
  	return ncp_namespace(i) == NW_NS_NFS;
  #else
  	return 0;
  #endif	/* CONFIG_NCPFS_NFS_NS */
  } 
  
  #endif				/* __KERNEL__ */
  
  #endif				/* _LINUX_NCP_FS_H */