1 /******************************************************************************
3 * Module Name: dsinit - Object initialization namespace walk
6 *****************************************************************************/
8 /******************************************************************************
12 * Some or all of this work - Copyright (c) 1999 - 2006, Intel Corp.
13 * All rights reserved.
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
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
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;
38 * The above copyright and patent license is granted only if the following
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.
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
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
73 * 3.4. Intel retains all right, title, and interest in and to the Original
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.
81 * 4. Disclaimer and Export Compliance
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
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
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.
115 *****************************************************************************/
120 #include "acdispat.h"
121 #include "acnamesp.h"
122 #include "actables.h"
124 #define _COMPONENT ACPI_DISPATCHER
125 ACPI_MODULE_NAME ("dsinit")
127 /* Local prototypes */
130 AcpiDsInitOneObject (
131 ACPI_HANDLE ObjHandle
,
137 /*******************************************************************************
139 * FUNCTION: AcpiDsInitOneObject
141 * PARAMETERS: ObjHandle - Node for the object
142 * Level - Current nesting level
143 * Context - Points to a init info struct
144 * ReturnValue - Not used
148 * DESCRIPTION: Callback from AcpiWalkNamespace. Invoked for every object
149 * within the namespace.
151 * Currently, the only objects that require initialization are:
153 * 2) Operation Regions
155 ******************************************************************************/
158 AcpiDsInitOneObject (
159 ACPI_HANDLE ObjHandle
,
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
;
170 ACPI_FUNCTION_ENTRY ();
174 * We are only interested in NS nodes owned by the table that
177 if (Node
->OwnerId
!= Info
->OwnerId
)
184 /* And even then, we are only interested in a few object types */
186 Type
= AcpiNsGetType (ObjHandle
);
190 case ACPI_TYPE_REGION
:
192 Status
= AcpiDsInitializeRegion (ObjHandle
);
193 if (ACPI_FAILURE (Status
))
195 ACPI_EXCEPTION ((AE_INFO
, Status
,
196 "During Region initialization %p [%4.4s]",
197 ObjHandle
, AcpiUtGetNodeName (ObjHandle
)));
200 Info
->OpRegionCount
++;
204 case ACPI_TYPE_METHOD
:
210 case ACPI_TYPE_DEVICE
:
221 * We ignore errors from above, and always return OK, since
222 * we don't want to abort the walk on a single error.
228 /*******************************************************************************
230 * FUNCTION: AcpiDsInitializeObjects
232 * PARAMETERS: TableDesc - Descriptor for parent ACPI table
233 * StartNode - Root of subtree to be initialized.
237 * DESCRIPTION: Walk the namespace starting at "StartNode" and perform any
238 * necessary initialization on the objects found therein
240 ******************************************************************************/
243 AcpiDsInitializeObjects (
244 ACPI_NATIVE_UINT TableIndex
,
245 ACPI_NAMESPACE_NODE
*StartNode
)
248 ACPI_INIT_WALK_INFO Info
;
249 ACPI_TABLE_HEADER
*Table
;
250 ACPI_OWNER_ID OwnerId
;
253 ACPI_FUNCTION_TRACE (DsInitializeObjects
);
256 Status
= AcpiTbGetOwnerId (TableIndex
, &OwnerId
);
257 if (ACPI_FAILURE (Status
))
259 return_ACPI_STATUS (Status
);
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:"));
266 Info
.MethodCount
= 0;
267 Info
.OpRegionCount
= 0;
268 Info
.ObjectCount
= 0;
269 Info
.DeviceCount
= 0;
270 Info
.TableIndex
= TableIndex
;
271 Info
.OwnerId
= OwnerId
;
273 /* Walk entire namespace from the supplied root */
275 Status
= AcpiWalkNamespace (ACPI_TYPE_ANY
, StartNode
, ACPI_UINT32_MAX
,
276 AcpiDsInitOneObject
, &Info
, NULL
);
277 if (ACPI_FAILURE (Status
))
279 ACPI_EXCEPTION ((AE_INFO
, Status
, "During WalkNamespace"));
282 Status
= AcpiGetTableByIndex (TableIndex
, &Table
);
283 if (ACPI_FAILURE (Status
))
285 return_ACPI_STATUS (Status
);
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
));
293 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH
,
294 "%hd Methods, %hd Regions\n", Info
.MethodCount
, Info
.OpRegionCount
));
296 return_ACPI_STATUS (AE_OK
);