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Annotation of kernel/kern/ipc_kobject.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: /* 
                     26:  * Mach Operating System
                     27:  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
                     28:  * All Rights Reserved.
                     29:  * 
                     30:  * Permission to use, copy, modify and distribute this software and its
                     31:  * documentation is hereby granted, provided that both the copyright
                     32:  * notice and this permission notice appear in all copies of the
                     33:  * software, derivative works or modified versions, and any portions
                     34:  * thereof, and that both notices appear in supporting documentation.
                     35:  * 
                     36:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
                     37:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
                     38:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
                     39:  * 
                     40:  * Carnegie Mellon requests users of this software to return to
                     41:  * 
                     42:  *  Software Distribution Coordinator  or  [email protected]
                     43:  *  School of Computer Science
                     44:  *  Carnegie Mellon University
                     45:  *  Pittsburgh PA 15213-3890
                     46:  * 
                     47:  * any improvements or extensions that they make and grant Carnegie Mellon
                     48:  * the rights to redistribute these changes.
                     49:  */
                     50: /*
                     51:  *     File:   kern/ipc_kobject.h
                     52:  *     Author: Rich Draves
                     53:  *     Date:   1989
                     54:  *
                     55:  *     Declarations for letting a port represent a kernel object.
                     56:  */
                     57: 
                     58: #ifndef        _KERN_IPC_KOBJECT_H_
                     59: #define _KERN_IPC_KOBJECT_H_
                     60: 
                     61: #include <mach/machine/vm_types.h>
                     62: 
                     63: typedef vm_offset_t ipc_kobject_t;
                     64: 
                     65: #define        IKO_NULL        ((ipc_kobject_t) 0)
                     66: 
                     67: typedef unsigned int ipc_kobject_type_t;
                     68: 
                     69: #define        IKOT_NONE               0
                     70: #define IKOT_THREAD            1
                     71: #define        IKOT_TASK               2
                     72: #define        IKOT_HOST               3
                     73: #define        IKOT_HOST_PRIV          4
                     74: #define        IKOT_PROCESSOR          5
                     75: #define        IKOT_PSET               6
                     76: #define        IKOT_PSET_NAME          7
                     77: #define        IKOT_PAGER              8
                     78: #define        IKOT_PAGER_TERMINATING  9
                     79: #define        IKOT_PAGING_REQUEST     10
                     80: #define IKOT_PAGING_NAME       11
                     81: #define        IKOT_DEVICE             12
                     82: #define        IKOT_XMM_PAGER          13
                     83: #define        IKOT_XMM_OBJECT         14
                     84: #define        IKOT_XMM_KERNEL         15
                     85: #define        IKOT_XMM_REPLY          16
                     86: #define IKOT_NETIPC            17
                     87: 
                     88: /*
                     89:  *     Define types of kernel objects that use page lists instead
                     90:  *     of entry lists for copyin of out of line memory.
                     91:  */
                     92: 
                     93: #define ipc_kobject_vm_page_list(ikot)                         \
                     94:        ((ikot == IKOT_PAGING_REQUEST) || (ikot == IKOT_DEVICE))
                     95: 
                     96: #define ipc_kobject_vm_page_steal(ikot)        (ikot == IKOT_PAGING_REQUEST)
                     97: 
                     98: extern struct ipc_kmsg *
                     99: ipc_kobject_server(/* ipc_kmsg_t */);
                    100: 
                    101: extern void
                    102: ipc_kobject_set(/* ipc_port_t, ipc_kobject_t, ipc_kobject_type_t */);
                    103: 
                    104: extern void
                    105: ipc_kobject_destroy(/* ipc_port_t */);
                    106: 
                    107: #define        null_conversion(port)   (port)
                    108: 
                    109: #endif /* _KERN_IPC_KOBJECT_H_ */

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