/* -*- C -*-
   Version of <mach/default_pager.defs> modified for Hurd implementation.
*/
/*
 * Mach Operating System
 * Copyright (c) 1991,1990,1989 Carnegie Mellon University
 * All Rights Reserved.
 *
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 *
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 *
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */

subsystem default_pager 2275;

#include <hurd/hurd_types.defs>	/* For `MACH_PAYLOAD_TO_PORT'.  */
#include <mach/std_types.defs>
#include <mach/mach_types.defs>
#include <mach/default_pager_types.defs>
#include <device/device_types.defs>

import <hurd/default_pager_types.h>; /* XXX */

#ifdef	DEFAULT_PAGER_IMPORTS
DEFAULT_PAGER_IMPORTS
#endif

routine	default_pager_object_create(
		default_pager		: mach_port_t;
	out	memory_object		: memory_object_t =
			MACH_MSG_TYPE_PORT_SEND;
		object_size		: vm_size_t);

routine default_pager_info(
		default_pager		: mach_port_t;
	out	info			: default_pager_info_t);

routine default_pager_objects(
		default_pager		: mach_port_t;
	out	objects			: default_pager_object_array_t,
			CountInOut, Dealloc;
	out	ports			: mach_port_array_t =
			array[] of mach_port_move_send_t,
			CountInOut, Dealloc);

routine default_pager_object_pages(
		default_pager		: mach_port_t;
		memory_object		: memory_object_name_t;
	out	pages			: default_pager_page_array_t,
			CountInOut, Dealloc);

/* This is the original Mach call, now deprecated in favor
   of default_pager_paging_storage.  */
routine default_pager_paging_file(
		default_pager		: mach_port_t;
		master_device_port	: mach_port_t;
		filename		: default_pager_filename_t;
		add			: boolean_t);

skip;				/* default_pager_register_fileserver */

/* Add or remove an area of paging storage, which is a subset of the
   Mach device for which device_open returned DEVICE_PORT.  The area
   consists of the concatenation of contiguous regions described by
   RUNS.  Each even-numbered element of RUNS gives the starting record
   number of a region whose length is given by the next odd-numbered
   element.  NAME is used in any diagnostics the default pager prints
   about device errors when paging.  When removing a paging area, NAME
   and RUNS must match exactly.  */
routine default_pager_paging_storage(
		default_pager		: mach_port_t;
		device_port		: mach_port_t;
		runs			: recnum_array_t =
		       array[] of recnum_t;
		name			: default_pager_filename_t;
		add			: boolean_t);

/* This call is made on a memory object returned by default_pager_object_create
   to fix the object's maximum size.  Any references to pages beyond the limit
   will fail.  */
routine default_pager_object_set_size(
		memory_object		: memory_object_t;
       msgseqno seqno			: mach_port_seqno_t;
		object_size_limit	: vm_size_t);

routine default_pager_storage_info(
		default_pager		: mach_port_t;
	out	size			: vm_size_array_t =
			array[] of vm_size_t, dealloc;
	out	free			: vm_size_array_t =
			array[] of vm_size_t, dealloc;
	out	name			: data_t);