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/*
 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
 * Reserved.  This file contains Original Code and/or Modifications of
 * Original Code as defined in and that are subject to the Apple Public
 * Source License Version 1.1 (the "License").  You may not use this file
 * except in compliance with the License.  Please obtain a copy of the
 * License at http://www.apple.com/publicsource and read it before using
 * this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */

/* 
 * 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  [email protected]
 *  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.
 */
/*
 *	File:	kern/ipc_kobject.h
 *	Author:	Rich Draves
 *	Date:	1989
 *
 *	Declarations for letting a port represent a kernel object.
 */

#ifndef	_KERN_IPC_KOBJECT_H_
#define _KERN_IPC_KOBJECT_H_

#include <mach/machine/vm_types.h>

typedef vm_offset_t ipc_kobject_t;

#define	IKO_NULL	((ipc_kobject_t) 0)

typedef unsigned int ipc_kobject_type_t;

#define	IKOT_NONE		0
#define IKOT_THREAD		1
#define	IKOT_TASK		2
#define	IKOT_HOST		3
#define	IKOT_HOST_PRIV		4
#define	IKOT_PROCESSOR		5
#define	IKOT_PSET		6
#define	IKOT_PSET_NAME		7
#define	IKOT_PAGER		8
#define	IKOT_PAGER_TERMINATING	9
#define	IKOT_PAGING_REQUEST	10
#define IKOT_PAGING_NAME	11
#define	IKOT_DEVICE		12
#define	IKOT_XMM_PAGER		13
#define	IKOT_XMM_OBJECT		14
#define	IKOT_XMM_KERNEL		15
#define	IKOT_XMM_REPLY		16
#define IKOT_NETIPC		17

/*
 *	Define types of kernel objects that use page lists instead
 *	of entry lists for copyin of out of line memory.
 */

#define ipc_kobject_vm_page_list(ikot) 			\
	((ikot == IKOT_PAGING_REQUEST) || (ikot == IKOT_DEVICE))

#define ipc_kobject_vm_page_steal(ikot)	(ikot == IKOT_PAGING_REQUEST)

extern struct ipc_kmsg *
ipc_kobject_server(/* ipc_kmsg_t */);

extern void
ipc_kobject_set(/* ipc_port_t, ipc_kobject_t, ipc_kobject_type_t */);

extern void
ipc_kobject_destroy(/* ipc_port_t */);

#define	null_conversion(port)	(port)

#endif	/* _KERN_IPC_KOBJECT_H_ */

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