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File:  [Apple Darwin 0.x] / kernel / mach / memory_object_default.defs
Revision 1.1.1.2 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 18:34:03 2018 UTC (8 years, 2 months ago) by root
Branches: MAIN, Apple
CVS tags: HEAD, Darwin03
Darwin 0.3 Mach+BSD kernel

/*
 * 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) 1991,1990,1989,1988,1987 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.
 */
/*
 * HISTORY
 * $Log: memory_object_default.defs,v $
 * Revision 1.1.1.2  2018/04/24 18:34:03  root
 * Darwin 0.3 Mach+BSD kernel
 *
 * Revision 1.3  1999/07/22 20:04:02  wsanchez
 * Update APSL
 *
 * Revision 1.2  1999/03/25 09:19:42  wsanchez
 * Merge kernel-copyrights.
 * Undelete drvAdaptecU2SCSI.
 *
 * Revision 1.1.1.1.666.4  1999/03/16 17:05:41  wsanchez
 * Substitute License
 *
 * Revision 1.1.1.1.666.3  1999/03/16 15:28:04  wsanchez
 * Substitute copyright
 *
 * Revision 1.1.1.1.666.2  1999/03/16 10:37:39  umeshv
 * Fixed errors in previous commit.
 *
 * Revision 1.1.1.1.666.1  1999/03/11 09:52:50  umeshv
 * Added copyrights.
 *
 * Revision 1.1.1.1  1997/09/30 02:44:51  wsanchez
 * Import of kernel from umeshv/kernel
 *
 * Revision 2.8  91/08/28  11:15:24  jsb
 * 	Added conditionalized sequence number support.
 * 	[91/08/13            rpd]
 * 
 * Revision 2.7  91/07/01  08:25:22  jsb
 * 	If KERNEL and NORMA_VM, then use a userprefix (to allow interposition).
 * 	[91/06/29  16:35:53  jsb]
 * 
 * Revision 2.6  91/06/25  10:30:41  rpd
 * 	Changed the port-based type declarations
 * 	to use mach_port_t as the C type name.
 * 	[91/05/23            rpd]
 * 
 * Revision 2.5  91/05/14  16:56:08  mrt
 * 	Correcting copyright
 * 
 * Revision 2.4  91/02/05  17:34:05  mrt
 * 	Changed to new Mach copyright
 * 	[91/02/01  17:19:22  mrt]
 * 
 * Revision 2.3  90/08/06  17:06:16  rpd
 * 	For compatibility with Mach 2.5, added dealloc to
 * 	argument of memory_object_create.
 * 	[90/08/04            rpd]
 * 
 * Revision 2.2  90/06/02  14:59:00  rpd
 * 	Converted to new IPC.
 * 	[90/03/26  22:35:46  rpd]
 * 
 * Revision 2.1  89/08/03  17:18:28  rwd
 * Created.
 * 
 * Revision 2.3  89/02/25  18:38:29  gm0w
 * 	Changes for cleanup.
 * 
 * Revision 2.2  89/01/15  16:31:26  rpd
 * 	Moved from kern/ to mach/.
 * 	[89/01/15  14:40:47  rpd]
 * 
 * Revision 2.7  89/01/12  07:58:30  rpd
 * 	Fixed includes.
 * 	[89/01/12  04:52:50  rpd]
 * 
 * Revision 2.6  88/08/25  18:17:23  mwyoung
 * 	Rid the kernel_task of rights to the new memory_object in
 * 	memory_object_create.
 * 	Add size argument to memory_object_create.
 * 	[88/08/11  18:47:16  mwyoung]
 * 
 * Revision 2.5  88/08/06  18:23:00  rpd
 * Added dealloc flag to new_memory_object arg of memory_object_create().
 * Otherwise, kernel_task is left with send right, and this is very bad.
 * 
 * 29-Jun-88  Michael Young (mwyoung) at Carnegie-Mellon University
 *	Use new types.
 *
 * 29-Jun-88  Michael Young (mwyoung) at Carnegie-Mellon University
 *	Moved data type declarations to "mach_types.defs".
 *
 *  9-Dec-87  Michael Young (mwyoung) at Carnegie-Mellon University
 *	Created.
 */
/*
 * File:	mach/memory_object_default.defs
 *
 * Abstract:
 *	Mach external memory management interface declaration; subset
 *	that is applicable to managers of kernel-created memory objects.
 */

subsystem
#if	KERNEL_USER
	  KernelUser
#endif	KERNEL_USER
		     memory_object_default 2250;

#include <mach/std_types.defs>
#include <mach/mach_types.defs>

#if	SEQNOS
serverprefix seqnos_;
serverdemux seqnos_memory_object_default_server;
#endif	SEQNOS

/*
 *	Pass on responsibility for the new kernel-created memory
 *	object.  The port on which this request is that port
 *	(possibly a memory object itself) registered as the "default
 *	pager".  Other arguments are as described for memory_object_init.
 *	[No reply required.]
 */
simpleroutine	memory_object_create(
		old_memory_object	: memory_object_t =
						MACH_MSG_TYPE_MOVE_SEND
						ctype: mach_port_t;
#if	SEQNOS
	msgseqno seqno			: mach_port_seqno_t;
#endif	SEQNOS
		new_memory_object	: memory_object_t =
						MACH_MSG_TYPE_MOVE_RECEIVE
						ctype: mach_port_t
#if	KERNEL_USER
		/* for compatibility with Mach 2.5 kernels */
						, dealloc
#endif	KERNEL_USER
						;
		new_object_size		: vm_size_t;
		new_control_port	: memory_object_control_t =
						MACH_MSG_TYPE_MAKE_SEND
						ctype: mach_port_t;
		new_name		: memory_object_name_t =
						MACH_MSG_TYPE_MAKE_SEND
						ctype: mach_port_t;
		new_page_size		: vm_size_t);

/*
 *	Provide initial data contents for this region of
 *	the memory object.  If data has already been written
 *	to the object, this value must be discarded; otherwise,
 *	this call acts identically to memory_object_data_write.
 */
simpleroutine	memory_object_data_initialize(
		memory_object		: memory_object_t;
#if	SEQNOS
	msgseqno seqno			: mach_port_seqno_t;
#endif	SEQNOS
		memory_control_port	: memory_object_control_t =
						MACH_MSG_TYPE_MAKE_SEND
						ctype: mach_port_t;
		offset			: vm_offset_t;
		data			: pointer_t);

#if	0
/*
 *	Indicate that the specified range of data in this memory object
 *	will not be requested again until it is reinitialized with
 *	memory_object_data_write or memory_object_data_initialize.
 */
simpleroutine	memory_object_data_terminate(
		memory_object		: memory_object_t;
#if	SEQNOS
	msgseqno seqno			: mach_port_seqno_t;
#endif	SEQNOS
		memory_control_port	: memory_object_control_t =
						MACH_MSG_TYPE_MAKE_SEND
						ctype: mach_port_t;
		offset			: vm_offset_t;
		size			: vm_size_t);
#else	0
skip;	/* memory_object_data_terminate */
#endif	0
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