xref: /xnu-8792.81.2/iokit/IOKit/IOKitServer.h (revision 19c3b8c28c31cb8130e034cfb5df6bf9ba342d90)
1 /*
2  * Copyright (c) 1998-2011 Apple Computer, Inc. All rights reserved.
3  *
4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5  *
6  * This file contains Original Code and/or Modifications of Original Code
7  * as defined in and that are subject to the Apple Public Source License
8  * Version 2.0 (the 'License'). You may not use this file except in
9  * compliance with the License. The rights granted to you under the License
10  * may not be used to create, or enable the creation or redistribution of,
11  * unlawful or unlicensed copies of an Apple operating system, or to
12  * circumvent, violate, or enable the circumvention or violation of, any
13  * terms of an Apple operating system software license agreement.
14  *
15  * Please obtain a copy of the License at
16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17  *
18  * The Original Code and all software distributed under the License are
19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23  * Please see the License for the specific language governing rights and
24  * limitations under the License.
25  *
26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27  */
28 /*
29  * Copyright (c) 1998 Apple Computer, Inc.  All rights reserved.
30  *
31  * HISTORY
32  *
33  */
34 
35 /*
36  * Internal definitions used between the iokit user library and
37  * server routines.
38  */
39 
40 #ifndef _IOKIT_IOKITSERVER_H
41 #define _IOKIT_IOKITSERVER_H
42 
43 #include <IOKit/IOTypes.h>
44 #include <IOKit/IOKitKeys.h>
45 #include <IOKit/OSMessageNotification.h>
46 
47 #ifdef __cplusplus
48 extern "C" {
49 #endif
50 #include <mach/kmod.h>
51 #ifdef __cplusplus
52 }
53 #endif
54 
55 // IOCatalogueSendData
56 /*!
57  *   @enum IOCatalogueSendData user-client flags.
58  *   @constant kIOCatalogAddDrivers  Signals a call to the addDrivers function in IOCatalogue.
59  *   @constant kIOCatalogAddDriversNoMatch  Signals a call to the addDrivers function in IOCatalogue but does not start a matching thread.
60  *   @constant kIOCatalogRemoveDrivers  Signals a call to the removeDrivers function in IOCatalogue.
61  *   @constant kIOCatalogRemoveDriversNoMatch  Signals a call to the removedrivers function in IOCatalogue but does not start a matching thread.
62  *   @constant kIOCatalogStartMatching  Signals the IOCatalogue to start an IOService matching thread.
63  *   @constant kIOCatalogRemoveKernelLinker  Deprecated; does nothing.
64  *   @constant kIOCatalogKextdActive  Signals the kernel that kextd is running.
65  *   @constant kIOCatalogKextdFinishedLaunching  Signals the IOCatalogue that kextd has finished sending it information at startup.
66  *   @constant kIOCatalogResetDrivers  Resets the IOCatalogue with a new set of personalities.
67  *   @constant kIOCatalogResetDriversNoMatch  Resets the IOCatalogue with a new set of personalities but does not start a matching thread.
68  */
69 enum {
70 	kIOCatalogAddDrivers        = 1,
71 	kIOCatalogAddDriversNoMatch,
72 	kIOCatalogRemoveDrivers,
73 	kIOCatalogRemoveDriversNoMatch,
74 	kIOCatalogStartMatching__Removed,
75 	kIOCatalogRemoveKernelLinker__Removed,
76 	kIOCatalogKextdActive,
77 	kIOCatalogKextdFinishedLaunching,
78 	kIOCatalogResetDrivers,
79 	kIOCatalogResetDriversNoMatch
80 };
81 
82 // IOCatalogueGetData
83 /*!
84  *   @enum IOCatalogueGetData user-client flags
85  *   @constant kIOCatalogGetContents  Returns a snapshot of the database to the caller.
86  */
87 enum {
88 	kIOCatalogGetContents         = 1,
89 	kIOCatalogGetModuleDemandList = 2,
90 	kIOCatalogGetCacheMissList    = 3,
91 	kIOCatalogGetROMMkextList     = 4
92 };
93 
94 // IOCatalogueReset
95 /*!
96  *   @enum IOCatalogueReset user-client flag
97  *   @constant kIOCatalogResetDefault  Removes all entries from IOCatalogue except those used for booting the system.
98  */
99 enum {
100 	kIOCatalogResetDefault      = 1
101 };
102 
103 // IOCatalogueTerminate
104 /*!
105  *   @enum IOCatalogueTerminate user-client flags.
106  *   @constant kIOCatalogModuleUnload Terminates all services which depend on a particular module and unloads the module.
107  *   @constant kIOCatalogModuleTerminate Terminates all services which depend on a particular module but does not unload the module.
108  *   @constant kIOCatalogServiceTerminate Terminates a particular service by name.
109  */
110 enum {
111 	kIOCatalogModuleUnload      = 1,
112 	kIOCatalogModuleTerminate,
113 	kIOCatalogServiceTerminate
114 };
115 
116 
117 #ifdef XNU_KERNEL_PRIVATE
118 
119 #ifdef __cplusplus
120 extern "C" {
121 #endif /* __cplusplus */
122 
123 #include <kern/ipc_kobject.h>
124 
125 /*
126  * Functions in iokit:IOUserClient.cpp
127  */
128 
129 extern void iokit_add_reference( io_object_t obj, ipc_kobject_type_t type );
130 
131 extern ipc_port_t iokit_port_for_object( io_object_t obj,
132     ipc_kobject_type_t type );
133 
134 extern kern_return_t iokit_client_died( io_object_t obj,
135     ipc_port_t port, ipc_kobject_type_t type, mach_port_mscount_t * mscount );
136 
137 extern kern_return_t
138 iokit_client_memory_for_type(
139 	io_object_t     connect,
140 	unsigned int    type,
141 	unsigned int *  flags,
142 	vm_address_t *  address,
143 	vm_size_t    *  size );
144 
145 /*
146  * Functions in osfmk:iokit_rpc.c
147  */
148 
149 extern ipc_port_t iokit_alloc_object_port( io_object_t obj,
150     ipc_kobject_type_t type );
151 
152 extern kern_return_t iokit_destroy_object_port( ipc_port_t port,
153     ipc_kobject_type_t type );
154 
155 extern mach_port_name_t iokit_make_send_right( task_t task,
156     io_object_t obj, ipc_kobject_type_t type );
157 
158 extern mach_port_t ipc_kobject_make_send(mach_port_t, ipc_kobject_t, ipc_kobject_type_t) __result_use_check;
159 extern mach_port_t ipc_kobject_copy_send(mach_port_t, ipc_kobject_t, ipc_kobject_type_t) __result_use_check;
160 extern mach_port_t ipc_port_make_send_mqueue(mach_port_t) __result_use_check;
161 extern mach_port_t ipc_port_copy_send_mqueue(mach_port_t) __result_use_check;
162 extern void ipc_port_release_send(ipc_port_t port);
163 
164 extern io_object_t iokit_lookup_io_object(ipc_port_t port, ipc_kobject_type_t type);
165 
166 extern kern_return_t iokit_mod_send_right( task_t task, mach_port_name_t name, mach_port_delta_t delta );
167 
168 extern io_object_t iokit_lookup_object_with_port_name(mach_port_name_t name, ipc_kobject_type_t type, task_t task);
169 
170 extern io_object_t iokit_lookup_connect_ref_current_task(mach_port_name_t name);
171 extern io_object_t iokit_lookup_uext_ref_current_task(mach_port_name_t name);
172 
173 extern void iokit_retain_port( ipc_port_t port );
174 extern void iokit_release_port( ipc_port_t port );
175 extern void iokit_release_port_send( ipc_port_t port );
176 
177 extern void iokit_lock_port(ipc_port_t port);
178 extern void iokit_unlock_port(ipc_port_t port);
179 
180 extern kern_return_t iokit_switch_object_port( ipc_port_t port, io_object_t obj, ipc_kobject_type_t type );
181 
182 extern ipc_port_t iokit_lookup_raw_current_task(mach_port_name_t name, ipc_kobject_type_t * type);
183 
184 #ifndef MACH_KERNEL_PRIVATE
185 typedef struct ipc_kmsg * ipc_kmsg_t;
186 extern ipc_kmsg_t ipc_kmsg_alloc_uext_reply(size_t);
187 extern mach_msg_header_t * ikm_header(ipc_kmsg_t);
188 #endif /* MACH_KERNEL_PRIVATE */
189 
190 extern kern_return_t
191 uext_server(ipc_port_t receiver, ipc_kmsg_t request, ipc_kmsg_t * preply);
192 
193 extern kern_return_t
194 iokit_label_dext_task(task_t task);
195 
196 extern void
197 iokit_clear_registered_ports(task_t task);
198 
199 /*
200  * Functions imported by iokit:IOMemoryDescriptor.cpp
201  */
202 
203 extern ppnum_t IOGetLastPageNumber(void);
204 
205 extern kern_return_t IOMapPages(vm_map_t map, mach_vm_address_t va, mach_vm_address_t pa,
206     mach_vm_size_t length, unsigned int mapFlags);
207 
208 extern kern_return_t IOUnmapPages(vm_map_t map, mach_vm_address_t va, mach_vm_size_t length);
209 
210 extern kern_return_t IOProtectCacheMode(vm_map_t map, mach_vm_address_t va,
211     mach_vm_size_t length, unsigned int options);
212 
213 extern unsigned int IODefaultCacheBits(addr64_t pa);
214 
215 #ifdef __cplusplus
216 } /* extern "C" */
217 #endif /* __cplusplus */
218 
219 #endif /* MACH_KERNEL_PRIVATE */
220 
221 #endif /* ! _IOKIT_IOKITSERVER_H */
222