/* Definitions for the filesystem control interface
   Copyright (C) 1992, 1993, 1994 Free Software Foundation

This file is part of the GNU Hurd.

The GNU Hurd is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

The GNU Hurd is distributed in the hope that it will be useful, 
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with the GNU Hurd; see the file COPYING.  If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */

subsystem fsys 22000;

#include <hurd/hurd_types.defs>

#ifdef FSYS_IMPORTS
FSYS_IMPORTS
#endif

type reply_port_t = MACH_MSG_TYPE_MAKE_SEND_ONCE | polymorphic
	ctype: mach_port_t;

/* Sent by filesystem on its bootstrap port upon startup.
   REALNODE is the node this filesystem is the translator for,
   with all permissions.  */
routine fsys_startup (
	bootstrap: mach_port_t;
	control_port: mach_port_send_t;
	out realnode: mach_port_send_t;
	out dotdot_node: mach_port_send_t);

/* Filesystem should go away.  Bye.  */
routine fsys_goaway (
	fsys: fsys_t;
	flags: int);

/* Return a file to the root of the filesystem.
   FLAGS are as for dir_pathtrans. */
routine fsys_getroot (
	fsys: fsys_t;
#ifdef	FSYS_GETROOT_UREPLY
	ureplyport ureply: mig_reply_port_t;
#endif
	flags: int;
	gen_uids: idarray_t;
	gen_gids: idarray_t;
	out file: mach_port_send_t);

/* Get a file given a file handle (see file_getfh).  */
routine fsys_getfile (
	fsys: fsys_t;
	gen_uids: idarray_t;
	gen_gids: idarray_t;
	filehandle: data_t;
	out file: mach_port_send_t);

/* The following two calls are only implemented by bootstrap filesystems. */

routine fsys_getpriv (
	fsys: fsys_t;
	out host_priv: mach_port_t;
	out device_master: mach_port_t;
	out fstask: task_t);

routine fsys_init (
	fsys: fsys_t;
	sreplyport reply_port: reply_port_t;
	proc_server: mach_port_send_t;
	auth_handle: auth_t);