1/******************************************************************************
2 *
3 * Module Name: dsinit - Object initialization namespace walk
4 * $Revision: 1.28 $
5 *
6 *****************************************************************************/
7
8/******************************************************************************
9 *
10 * 1. Copyright Notice
11 *
12 * Some or all of this work - Copyright (c) 1999 - 2007, Intel Corp.
13 * All rights reserved.
14 *
15 * 2. License
16 *
17 * 2.1. This is your license from Intel Corp. under its intellectual property
18 * rights. You may have additional license terms from the party that provided
19 * you this software, covering your right to use that party's intellectual
20 * property rights.
21 *
22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23 * copy of the source code appearing in this file ("Covered Code") an
24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25 * base code distributed originally by Intel ("Original Intel Code") to copy,
26 * make derivatives, distribute, use and display any portion of the Covered
27 * Code in any form, with the right to sublicense such rights; and
28 *
29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30 * license (with the right to sublicense), under only those claims of Intel
31 * patents that are infringed by the Original Intel Code, to make, use, sell,
32 * offer to sell, and import the Covered Code and derivative works thereof
33 * solely to the minimum extent necessary to exercise the above copyright
34 * license, and in no event shall the patent license extend to any additions
35 * to or modifications of the Original Intel Code. No other license or right
36 * is granted directly or by implication, estoppel or otherwise;
37 *
38 * The above copyright and patent license is granted only if the following
39 * conditions are met:
40 *
41 * 3. Conditions
42 *
43 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44 * Redistribution of source code of any substantial portion of the Covered
45 * Code or modification with rights to further distribute source must include
46 * the above Copyright Notice, the above License, this list of Conditions,
47 * and the following Disclaimer and Export Compliance provision. In addition,
48 * Licensee must cause all Covered Code to which Licensee contributes to
49 * contain a file documenting the changes Licensee made to create that Covered
50 * Code and the date of any change. Licensee must include in that file the
51 * documentation of any changes made by any predecessor Licensee. Licensee
52 * must include a prominent statement that the modification is derived,
53 * directly or indirectly, from Original Intel Code.
54 *
55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56 * Redistribution of source code of any substantial portion of the Covered
57 * Code or modification without rights to further distribute source must
58 * include the following Disclaimer and Export Compliance provision in the
59 * documentation and/or other materials provided with distribution. In
60 * addition, Licensee may not authorize further sublicense of source of any
61 * portion of the Covered Code, and must include terms to the effect that the
62 * license from Licensee to its licensee is limited to the intellectual
63 * property embodied in the software Licensee provides to its licensee, and
64 * not to intellectual property embodied in modifications its licensee may
65 * make.
66 *
67 * 3.3. Redistribution of Executable. Redistribution in executable form of any
68 * substantial portion of the Covered Code or modification must reproduce the
69 * above Copyright Notice, and the following Disclaimer and Export Compliance
70 * provision in the documentation and/or other materials provided with the
71 * distribution.
72 *
73 * 3.4. Intel retains all right, title, and interest in and to the Original
74 * Intel Code.
75 *
76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77 * Intel shall be used in advertising or otherwise to promote the sale, use or
78 * other dealings in products derived from or relating to the Covered Code
79 * without prior written authorization from Intel.
80 *
81 * 4. Disclaimer and Export Compliance
82 *
83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
89 * PARTICULAR PURPOSE.
90 *
91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
98 * LIMITED REMEDY.
99 *
100 * 4.3. Licensee shall not export, either directly or indirectly, any of this
101 * software or system incorporating such software without first obtaining any
102 * required license or other approval from the U. S. Department of Commerce or
103 * any other agency or department of the United States Government. In the
104 * event Licensee exports any such software from the United States or
105 * re-exports any such software from a foreign destination, Licensee shall
106 * ensure that the distribution and export/re-export of the software is in
107 * compliance with all laws, regulations, orders, or other restrictions of the
108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109 * any of its subsidiaries will export/re-export any technical data, process,
110 * software, or service, directly or indirectly, to any country for which the
111 * United States government or any agency thereof requires an export license,
112 * other governmental approval, or letter of assurance, without first obtaining
113 * such license, approval or letter.
114 *
115 *****************************************************************************/
116
117#define __DSINIT_C__
118
119#include <contrib/dev/acpica/acpi.h>
120#include <contrib/dev/acpica/acdispat.h>
121#include <contrib/dev/acpica/acnamesp.h>
122#include <contrib/dev/acpica/actables.h>
123
124#define _COMPONENT ACPI_DISPATCHER
125 ACPI_MODULE_NAME ("dsinit")
126
127/* Local prototypes */
128
129static ACPI_STATUS
130AcpiDsInitOneObject (
131 ACPI_HANDLE ObjHandle,
132 UINT32 Level,
133 void *Context,
134 void **ReturnValue);
135
136
137/*******************************************************************************
138 *
139 * FUNCTION: AcpiDsInitOneObject
140 *
141 * PARAMETERS: ObjHandle - Node for the object
142 * Level - Current nesting level
143 * Context - Points to a init info struct
144 * ReturnValue - Not used
145 *
146 * RETURN: Status
147 *
148 * DESCRIPTION: Callback from AcpiWalkNamespace. Invoked for every object
149 * within the namespace.
150 *
151 * Currently, the only objects that require initialization are:
152 * 1) Methods
153 * 2) Operation Regions
154 *
155 ******************************************************************************/
156
157static ACPI_STATUS
158AcpiDsInitOneObject (
159 ACPI_HANDLE ObjHandle,
160 UINT32 Level,
161 void *Context,
162 void **ReturnValue)
163{
164 ACPI_INIT_WALK_INFO *Info = (ACPI_INIT_WALK_INFO *) Context;
165 ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
166 ACPI_OBJECT_TYPE Type;
167 ACPI_STATUS Status;
168
169
170 ACPI_FUNCTION_ENTRY ();
171
172
173 /*
174 * We are only interested in NS nodes owned by the table that
175 * was just loaded
176 */
177 if (Node->OwnerId != Info->OwnerId)
178 {
179 return (AE_OK);
180 }
181
182 Info->ObjectCount++;
183
184 /* And even then, we are only interested in a few object types */
185
186 Type = AcpiNsGetType (ObjHandle);
187
188 switch (Type)
189 {
190 case ACPI_TYPE_REGION:
191
192 Status = AcpiDsInitializeRegion (ObjHandle);
193 if (ACPI_FAILURE (Status))
194 {
195 ACPI_EXCEPTION ((AE_INFO, Status,
196 "During Region initialization %p [%4.4s]",
197 ObjHandle, AcpiUtGetNodeName (ObjHandle)));
198 }
199
200 Info->OpRegionCount++;
201 break;
202
203
204 case ACPI_TYPE_METHOD:
205
206 Info->MethodCount++;
207 break;
208
209
210 case ACPI_TYPE_DEVICE:
211
212 Info->DeviceCount++;
213 break;
214
215
216 default:
217 break;
218 }
219
220 /*
221 * We ignore errors from above, and always return OK, since
222 * we don't want to abort the walk on a single error.
223 */
224 return (AE_OK);
225}
226
227
228/*******************************************************************************
229 *
230 * FUNCTION: AcpiDsInitializeObjects
231 *
232 * PARAMETERS: TableDesc - Descriptor for parent ACPI table
233 * StartNode - Root of subtree to be initialized.
234 *
235 * RETURN: Status
236 *
237 * DESCRIPTION: Walk the namespace starting at "StartNode" and perform any
238 * necessary initialization on the objects found therein
239 *
240 ******************************************************************************/
241
242ACPI_STATUS
243AcpiDsInitializeObjects (
244 ACPI_NATIVE_UINT TableIndex,
245 ACPI_NAMESPACE_NODE *StartNode)
246{
247 ACPI_STATUS Status;
248 ACPI_INIT_WALK_INFO Info;
249 ACPI_TABLE_HEADER *Table;
250 ACPI_OWNER_ID OwnerId;
251
252
253 ACPI_FUNCTION_TRACE (DsInitializeObjects);
254
255
256 Status = AcpiTbGetOwnerId (TableIndex, &OwnerId);
257 if (ACPI_FAILURE (Status))
258 {
259 return_ACPI_STATUS (Status);
260 }
261
262 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
263 "**** Starting initialization of namespace objects ****\n"));
264 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "Parsing all Control Methods:"));
265
266 Info.MethodCount = 0;
267 Info.OpRegionCount = 0;
268 Info.ObjectCount = 0;
269 Info.DeviceCount = 0;
270 Info.TableIndex = TableIndex;
271 Info.OwnerId = OwnerId;
272
273 /* Walk entire namespace from the supplied root */
274
275 Status = AcpiWalkNamespace (ACPI_TYPE_ANY, StartNode, ACPI_UINT32_MAX,
276 AcpiDsInitOneObject, &Info, NULL);
277 if (ACPI_FAILURE (Status))
278 {
279 ACPI_EXCEPTION ((AE_INFO, Status, "During WalkNamespace"));
280 }
281
282 Status = AcpiGetTableByIndex (TableIndex, &Table);
283 if (ACPI_FAILURE (Status))
284 {
285 return_ACPI_STATUS (Status);
286 }
287
288 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
289 "\nTable [%4.4s](id %4.4X) - %hd Objects with %hd Devices %hd Methods %hd Regions\n",
290 Table->Signature, OwnerId, Info.ObjectCount,
291 Info.DeviceCount, Info.MethodCount, Info.OpRegionCount));
292
293 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
294 "%hd Methods, %hd Regions\n", Info.MethodCount, Info.OpRegionCount));
295
296 return_ACPI_STATUS (AE_OK);
297}
298
299
2 *
3 * Module Name: dsinit - Object initialization namespace walk
4 * $Revision: 1.28 $
5 *
6 *****************************************************************************/
7
8/******************************************************************************
9 *
10 * 1. Copyright Notice
11 *
12 * Some or all of this work - Copyright (c) 1999 - 2007, Intel Corp.
13 * All rights reserved.
14 *
15 * 2. License
16 *
17 * 2.1. This is your license from Intel Corp. under its intellectual property
18 * rights. You may have additional license terms from the party that provided
19 * you this software, covering your right to use that party's intellectual
20 * property rights.
21 *
22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23 * copy of the source code appearing in this file ("Covered Code") an
24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25 * base code distributed originally by Intel ("Original Intel Code") to copy,
26 * make derivatives, distribute, use and display any portion of the Covered
27 * Code in any form, with the right to sublicense such rights; and
28 *
29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30 * license (with the right to sublicense), under only those claims of Intel
31 * patents that are infringed by the Original Intel Code, to make, use, sell,
32 * offer to sell, and import the Covered Code and derivative works thereof
33 * solely to the minimum extent necessary to exercise the above copyright
34 * license, and in no event shall the patent license extend to any additions
35 * to or modifications of the Original Intel Code. No other license or right
36 * is granted directly or by implication, estoppel or otherwise;
37 *
38 * The above copyright and patent license is granted only if the following
39 * conditions are met:
40 *
41 * 3. Conditions
42 *
43 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44 * Redistribution of source code of any substantial portion of the Covered
45 * Code or modification with rights to further distribute source must include
46 * the above Copyright Notice, the above License, this list of Conditions,
47 * and the following Disclaimer and Export Compliance provision. In addition,
48 * Licensee must cause all Covered Code to which Licensee contributes to
49 * contain a file documenting the changes Licensee made to create that Covered
50 * Code and the date of any change. Licensee must include in that file the
51 * documentation of any changes made by any predecessor Licensee. Licensee
52 * must include a prominent statement that the modification is derived,
53 * directly or indirectly, from Original Intel Code.
54 *
55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56 * Redistribution of source code of any substantial portion of the Covered
57 * Code or modification without rights to further distribute source must
58 * include the following Disclaimer and Export Compliance provision in the
59 * documentation and/or other materials provided with distribution. In
60 * addition, Licensee may not authorize further sublicense of source of any
61 * portion of the Covered Code, and must include terms to the effect that the
62 * license from Licensee to its licensee is limited to the intellectual
63 * property embodied in the software Licensee provides to its licensee, and
64 * not to intellectual property embodied in modifications its licensee may
65 * make.
66 *
67 * 3.3. Redistribution of Executable. Redistribution in executable form of any
68 * substantial portion of the Covered Code or modification must reproduce the
69 * above Copyright Notice, and the following Disclaimer and Export Compliance
70 * provision in the documentation and/or other materials provided with the
71 * distribution.
72 *
73 * 3.4. Intel retains all right, title, and interest in and to the Original
74 * Intel Code.
75 *
76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77 * Intel shall be used in advertising or otherwise to promote the sale, use or
78 * other dealings in products derived from or relating to the Covered Code
79 * without prior written authorization from Intel.
80 *
81 * 4. Disclaimer and Export Compliance
82 *
83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
89 * PARTICULAR PURPOSE.
90 *
91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
98 * LIMITED REMEDY.
99 *
100 * 4.3. Licensee shall not export, either directly or indirectly, any of this
101 * software or system incorporating such software without first obtaining any
102 * required license or other approval from the U. S. Department of Commerce or
103 * any other agency or department of the United States Government. In the
104 * event Licensee exports any such software from the United States or
105 * re-exports any such software from a foreign destination, Licensee shall
106 * ensure that the distribution and export/re-export of the software is in
107 * compliance with all laws, regulations, orders, or other restrictions of the
108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109 * any of its subsidiaries will export/re-export any technical data, process,
110 * software, or service, directly or indirectly, to any country for which the
111 * United States government or any agency thereof requires an export license,
112 * other governmental approval, or letter of assurance, without first obtaining
113 * such license, approval or letter.
114 *
115 *****************************************************************************/
116
117#define __DSINIT_C__
118
119#include <contrib/dev/acpica/acpi.h>
120#include <contrib/dev/acpica/acdispat.h>
121#include <contrib/dev/acpica/acnamesp.h>
122#include <contrib/dev/acpica/actables.h>
123
124#define _COMPONENT ACPI_DISPATCHER
125 ACPI_MODULE_NAME ("dsinit")
126
127/* Local prototypes */
128
129static ACPI_STATUS
130AcpiDsInitOneObject (
131 ACPI_HANDLE ObjHandle,
132 UINT32 Level,
133 void *Context,
134 void **ReturnValue);
135
136
137/*******************************************************************************
138 *
139 * FUNCTION: AcpiDsInitOneObject
140 *
141 * PARAMETERS: ObjHandle - Node for the object
142 * Level - Current nesting level
143 * Context - Points to a init info struct
144 * ReturnValue - Not used
145 *
146 * RETURN: Status
147 *
148 * DESCRIPTION: Callback from AcpiWalkNamespace. Invoked for every object
149 * within the namespace.
150 *
151 * Currently, the only objects that require initialization are:
152 * 1) Methods
153 * 2) Operation Regions
154 *
155 ******************************************************************************/
156
157static ACPI_STATUS
158AcpiDsInitOneObject (
159 ACPI_HANDLE ObjHandle,
160 UINT32 Level,
161 void *Context,
162 void **ReturnValue)
163{
164 ACPI_INIT_WALK_INFO *Info = (ACPI_INIT_WALK_INFO *) Context;
165 ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
166 ACPI_OBJECT_TYPE Type;
167 ACPI_STATUS Status;
168
169
170 ACPI_FUNCTION_ENTRY ();
171
172
173 /*
174 * We are only interested in NS nodes owned by the table that
175 * was just loaded
176 */
177 if (Node->OwnerId != Info->OwnerId)
178 {
179 return (AE_OK);
180 }
181
182 Info->ObjectCount++;
183
184 /* And even then, we are only interested in a few object types */
185
186 Type = AcpiNsGetType (ObjHandle);
187
188 switch (Type)
189 {
190 case ACPI_TYPE_REGION:
191
192 Status = AcpiDsInitializeRegion (ObjHandle);
193 if (ACPI_FAILURE (Status))
194 {
195 ACPI_EXCEPTION ((AE_INFO, Status,
196 "During Region initialization %p [%4.4s]",
197 ObjHandle, AcpiUtGetNodeName (ObjHandle)));
198 }
199
200 Info->OpRegionCount++;
201 break;
202
203
204 case ACPI_TYPE_METHOD:
205
206 Info->MethodCount++;
207 break;
208
209
210 case ACPI_TYPE_DEVICE:
211
212 Info->DeviceCount++;
213 break;
214
215
216 default:
217 break;
218 }
219
220 /*
221 * We ignore errors from above, and always return OK, since
222 * we don't want to abort the walk on a single error.
223 */
224 return (AE_OK);
225}
226
227
228/*******************************************************************************
229 *
230 * FUNCTION: AcpiDsInitializeObjects
231 *
232 * PARAMETERS: TableDesc - Descriptor for parent ACPI table
233 * StartNode - Root of subtree to be initialized.
234 *
235 * RETURN: Status
236 *
237 * DESCRIPTION: Walk the namespace starting at "StartNode" and perform any
238 * necessary initialization on the objects found therein
239 *
240 ******************************************************************************/
241
242ACPI_STATUS
243AcpiDsInitializeObjects (
244 ACPI_NATIVE_UINT TableIndex,
245 ACPI_NAMESPACE_NODE *StartNode)
246{
247 ACPI_STATUS Status;
248 ACPI_INIT_WALK_INFO Info;
249 ACPI_TABLE_HEADER *Table;
250 ACPI_OWNER_ID OwnerId;
251
252
253 ACPI_FUNCTION_TRACE (DsInitializeObjects);
254
255
256 Status = AcpiTbGetOwnerId (TableIndex, &OwnerId);
257 if (ACPI_FAILURE (Status))
258 {
259 return_ACPI_STATUS (Status);
260 }
261
262 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
263 "**** Starting initialization of namespace objects ****\n"));
264 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "Parsing all Control Methods:"));
265
266 Info.MethodCount = 0;
267 Info.OpRegionCount = 0;
268 Info.ObjectCount = 0;
269 Info.DeviceCount = 0;
270 Info.TableIndex = TableIndex;
271 Info.OwnerId = OwnerId;
272
273 /* Walk entire namespace from the supplied root */
274
275 Status = AcpiWalkNamespace (ACPI_TYPE_ANY, StartNode, ACPI_UINT32_MAX,
276 AcpiDsInitOneObject, &Info, NULL);
277 if (ACPI_FAILURE (Status))
278 {
279 ACPI_EXCEPTION ((AE_INFO, Status, "During WalkNamespace"));
280 }
281
282 Status = AcpiGetTableByIndex (TableIndex, &Table);
283 if (ACPI_FAILURE (Status))
284 {
285 return_ACPI_STATUS (Status);
286 }
287
288 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
289 "\nTable [%4.4s](id %4.4X) - %hd Objects with %hd Devices %hd Methods %hd Regions\n",
290 Table->Signature, OwnerId, Info.ObjectCount,
291 Info.DeviceCount, Info.MethodCount, Info.OpRegionCount));
292
293 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
294 "%hd Methods, %hd Regions\n", Info.MethodCount, Info.OpRegionCount));
295
296 return_ACPI_STATUS (AE_OK);
297}
298
299