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1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /*
23: * @OSF_COPYRIGHT@
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: */
52: /*
53: * File: kern/ipc_kobject.h
54: * Author: Rich Draves
55: * Date: 1989
56: *
57: * Declarations for letting a port represent a kernel object.
58: */
59:
60: #include <ipc/ipc_kmsg.h>
61: #include <ipc/ipc_port.h>
62:
63: #ifndef _KERN_IPC_KOBJECT_H_
64: #define _KERN_IPC_KOBJECT_H_
65:
66: #ifdef KERNEL_PRIVATE
67: /*
68: * This is the legacy in-kernel ipc-object mechanism. Over the next
69: * several months, this will be phased out in favor of a mechanism that
70: * is less Mach IPC specific, and common across in-mach, in-kernel-component,
71: * and user-level-component (Plugin) models.
72: */
73: #include <mach/machine/vm_types.h>
74: #include <mach/mach_types.h>
75:
76:
77: typedef natural_t ipc_kobject_type_t;
78:
79: #define IKOT_NONE 0
80: #define IKOT_THREAD 1
81: #define IKOT_TASK 2
82: #define IKOT_HOST 3
83: #define IKOT_HOST_PRIV 4
84: #define IKOT_PROCESSOR 5
85: #define IKOT_PSET 6
86: #define IKOT_PSET_NAME 7
87: /* #define IKOT_PAGER 8 No longer defined */
88: #define IKOT_PAGING_REQUEST 9
89: #define IKOT_DEVICE 10
90: #define IKOT_XMM_OBJECT 11
91: #define IKOT_XMM_PAGER 12
92: #define IKOT_XMM_KERNEL 13
93: #define IKOT_XMM_REPLY 14
94: /* #define IKOT_PAGER_TERMINATING 15 No longer defined */
95: #define IKOT_HOST_SECURITY 17
96: #define IKOT_LEDGER 18
97: #define IKOT_MASTER_DEVICE 19
98: #define IKOT_ACT 20
99: #define IKOT_SUBSYSTEM 21
100: #define IKOT_IO_DONE_QUEUE 22
101: #define IKOT_SEMAPHORE 23
102: #define IKOT_LOCK_SET 24
103: #define IKOT_CLOCK 25
104: #define IKOT_CLOCK_CTRL 26
105: #define IKOT_IOKIT_SPARE 27
106: #define IKOT_NAMED_ENTRY 28
107: #define IKOT_IOKIT_CONNECT 29
108: #define IKOT_IOKIT_OBJECT 30
109: #define IKOT_UPL 31
110: /* << new entries here */
111: #define IKOT_UNKNOWN 32 /* magic catchall */
112: #define IKOT_MAX_TYPE 33 /* # of IKOT_ types */
113: /* Please keep ipc/ipc_object.c:ikot_print_array up to date */
114:
115: #define is_ipc_kobject(ikot) (ikot != IKOT_NONE)
116:
117: /*
118: * Define types of kernel objects that use page lists instead
119: * of entry lists for copyin of out of line memory.
120: */
121:
122: #define ipc_kobject_vm_page_list(ikot) \
123: ((ikot == IKOT_PAGING_REQUEST) || (ikot == IKOT_DEVICE))
124:
125: #define ipc_kobject_vm_page_steal(ikot) (ikot == IKOT_PAGING_REQUEST)
126:
127: /* Initialize kernel server dispatch table */
128: extern void mig_init(void);
129:
130: /* Dispatch a kernel server function */
131: extern ipc_kmsg_t ipc_kobject_server(
132: ipc_kmsg_t request);
133:
134: /* Make a port represent a kernel object of the given type */
135: extern void ipc_kobject_set(
136: ipc_port_t port,
137: ipc_kobject_t kobject,
138: ipc_kobject_type_t type);
139:
140: /* Release any kernel object resources associated with a port */
141: extern void ipc_kobject_destroy(
142: ipc_port_t port);
143:
144: #define null_conversion(port) (port)
145:
146: #endif /* KERNEL_PRIVATE */
147:
148: #endif /* _KERN_IPC_KOBJECT_H_ */
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