ReactOS 0.4.15-dev-7705-g2320c37
nsobject.c File Reference
#include "acpi.h"
#include "accommon.h"
#include "acnamesp.h"
Include dependency graph for nsobject.c:

Go to the source code of this file.

Macros

#define _COMPONENT   ACPI_NAMESPACE
 

Functions

ACPI_STATUS AcpiNsAttachObject (ACPI_NAMESPACE_NODE *Node, ACPI_OPERAND_OBJECT *Object, ACPI_OBJECT_TYPE Type)
 
void AcpiNsDetachObject (ACPI_NAMESPACE_NODE *Node)
 
ACPI_OPERAND_OBJECTAcpiNsGetAttachedObject (ACPI_NAMESPACE_NODE *Node)
 
ACPI_OPERAND_OBJECTAcpiNsGetSecondaryObject (ACPI_OPERAND_OBJECT *ObjDesc)
 
ACPI_STATUS AcpiNsAttachData (ACPI_NAMESPACE_NODE *Node, ACPI_OBJECT_HANDLER Handler, void *Data)
 
ACPI_STATUS AcpiNsDetachData (ACPI_NAMESPACE_NODE *Node, ACPI_OBJECT_HANDLER Handler)
 
ACPI_STATUS AcpiNsGetAttachedData (ACPI_NAMESPACE_NODE *Node, ACPI_OBJECT_HANDLER Handler, void **Data)
 

Macro Definition Documentation

◆ _COMPONENT

#define _COMPONENT   ACPI_NAMESPACE

Definition at line 50 of file nsobject.c.

Function Documentation

◆ AcpiNsAttachData()

ACPI_STATUS AcpiNsAttachData ( ACPI_NAMESPACE_NODE Node,
ACPI_OBJECT_HANDLER  Handler,
void Data 
)

Definition at line 379 of file nsobject.c.

383{
384 ACPI_OPERAND_OBJECT *PrevObjDesc;
385 ACPI_OPERAND_OBJECT *ObjDesc;
386 ACPI_OPERAND_OBJECT *DataDesc;
387
388
389 /* We only allow one attachment per handler */
390
391 PrevObjDesc = NULL;
392 ObjDesc = Node->Object;
393 while (ObjDesc)
394 {
395 if ((ObjDesc->Common.Type == ACPI_TYPE_LOCAL_DATA) &&
396 (ObjDesc->Data.Handler == Handler))
397 {
398 return (AE_ALREADY_EXISTS);
399 }
400
401 PrevObjDesc = ObjDesc;
402 ObjDesc = ObjDesc->Common.NextObject;
403 }
404
405 /* Create an internal object for the data */
406
408 if (!DataDesc)
409 {
410 return (AE_NO_MEMORY);
411 }
412
413 DataDesc->Data.Handler = Handler;
414 DataDesc->Data.Pointer = Data;
415
416 /* Install the data object */
417
418 if (PrevObjDesc)
419 {
420 PrevObjDesc->Common.NextObject = DataDesc;
421 }
422 else
423 {
424 Node->Object = DataDesc;
425 }
426
427 return (AE_OK);
428}
#define AE_ALREADY_EXISTS
Definition: acexcep.h:115
#define AE_NO_MEMORY
Definition: acexcep.h:112
#define AE_OK
Definition: acexcep.h:97
ACPI_PHYSICAL_ADDRESS ACPI_SIZE BOOLEAN Warn UINT32 *TableIdx UINT32 ACPI_TABLE_HEADER *OutTableHeader ACPI_TABLE_HEADER **OutTable ACPI_HANDLE UINT32 ACPI_WALK_CALLBACK ACPI_WALK_CALLBACK void void **ReturnValue UINT32 ACPI_BUFFER *RetPathPtr ACPI_OBJECT_HANDLER Handler
Definition: acpixf.h:672
#define ACPI_TYPE_LOCAL_DATA
Definition: actypes.h:736
#define AcpiUtCreateInternalObject(t)
Definition: acutils.h:681
#define NULL
Definition: types.h:112
ACPI_OBJECT_COMMON_HEADER ACPI_OBJECT_HANDLER Handler
Definition: acobject.h:495
void * Pointer
Definition: acobject.h:496
ACPI_OBJECT_COMMON Common
Definition: acobject.h:519
ACPI_OBJECT_DATA Data
Definition: acobject.h:542
Definition: dlist.c:348

Referenced by AcpiAttachData().

◆ AcpiNsAttachObject()

ACPI_STATUS AcpiNsAttachObject ( ACPI_NAMESPACE_NODE Node,
ACPI_OPERAND_OBJECT Object,
ACPI_OBJECT_TYPE  Type 
)

Definition at line 76 of file nsobject.c.

80{
81 ACPI_OPERAND_OBJECT *ObjDesc;
82 ACPI_OPERAND_OBJECT *LastObjDesc;
84
85
86 ACPI_FUNCTION_TRACE (NsAttachObject);
87
88
89 /*
90 * Parameter validation
91 */
92 if (!Node)
93 {
94 /* Invalid handle */
95
96 ACPI_ERROR ((AE_INFO, "Null NamedObj handle"));
98 }
99
100 if (!Object && (ACPI_TYPE_ANY != Type))
101 {
102 /* Null object */
103
105 "Null object, but type not ACPI_TYPE_ANY"));
107 }
108
110 {
111 /* Not a name handle */
112
113 ACPI_ERROR ((AE_INFO, "Invalid handle %p [%s]",
116 }
117
118 /* Check if this object is already attached */
119
120 if (Node->Object == Object)
121 {
123 "Obj %p already installed in NameObj %p\n",
124 Object, Node));
125
127 }
128
129 /* If null object, we will just install it */
130
131 if (!Object)
132 {
133 ObjDesc = NULL;
135 }
136
137 /*
138 * If the source object is a namespace Node with an attached object,
139 * we will use that (attached) object
140 */
143 {
144 /*
145 * Value passed is a name handle and that name has a
146 * non-null value. Use that name's value and type.
147 */
148 ObjDesc = ((ACPI_NAMESPACE_NODE *) Object)->Object;
150 }
151
152 /*
153 * Otherwise, we will use the parameter object, but we must type
154 * it first
155 */
156 else
157 {
158 ObjDesc = (ACPI_OPERAND_OBJECT *) Object;
159
160 /* Use the given type */
161
163 }
164
165 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Installing %p into Node %p [%4.4s]\n",
166 ObjDesc, Node, AcpiUtGetNodeName (Node)));
167
168 /* Detach an existing attached object if present */
169
170 if (Node->Object)
171 {
173 }
174
175 if (ObjDesc)
176 {
177 /*
178 * Must increment the new value's reference count
179 * (if it is an internal object)
180 */
181 AcpiUtAddReference (ObjDesc);
182
183 /*
184 * Handle objects with multiple descriptors - walk
185 * to the end of the descriptor list
186 */
187 LastObjDesc = ObjDesc;
188 while (LastObjDesc->Common.NextObject)
189 {
190 LastObjDesc = LastObjDesc->Common.NextObject;
191 }
192
193 /* Install the object at the front of the object list */
194
195 LastObjDesc->Common.NextObject = Node->Object;
196 }
197
198 Node->Type = (UINT8) ObjectType;
199 Node->Object = ObjDesc;
200
202}
unsigned char UINT8
Type
Definition: Type.h:7
#define AE_BAD_PARAMETER
Definition: acexcep.h:151
#define ACPI_GET_DESCRIPTOR_TYPE(d)
Definition: acmacros.h:414
#define ACPI_DESC_TYPE_NAMED
Definition: acobject.h:577
#define ACPI_DEBUG_PRINT(pl)
Definition: acoutput.h:475
#define ACPI_DB_EXEC
Definition: acoutput.h:165
#define return_ACPI_STATUS(s)
Definition: acoutput.h:496
#define ACPI_FUNCTION_TRACE(a)
Definition: acoutput.h:480
#define ACPI_ERROR(plist)
Definition: acoutput.h:240
#define AE_INFO
Definition: acoutput.h:230
UINT32 ACPI_OBJECT_TYPE
Definition: actypes.h:685
#define ACPI_TYPE_ANY
Definition: actypes.h:687
const char * AcpiUtGetNodeName(void *Object)
Definition: utdecode.c:306
void AcpiUtAddReference(ACPI_OPERAND_OBJECT *Object)
Definition: utdelete.c:752
const char * AcpiUtGetDescriptorName(void *Object)
Definition: utdecode.c:382
ObjectType
Definition: metafile.c:81
void AcpiNsDetachObject(ACPI_NAMESPACE_NODE *Node)
Definition: nsobject.c:220
_Must_inspect_result_ _In_ WDFCOLLECTION _In_ WDFOBJECT Object

Referenced by AcpiDsCreateBufferField(), AcpiDsCreateNode(), AcpiDsLoad2EndOp(), AcpiEvInstallSpaceHandler(), AcpiExCreateEvent(), AcpiExCreateMethod(), AcpiExCreateMutex(), AcpiExCreatePowerResource(), AcpiExCreateProcessor(), AcpiExCreateRegion(), AcpiExPrepFieldValue(), AcpiExStoreDirectToNode(), AcpiExStoreObjectToNode(), AcpiInstallGpeBlock(), AcpiInstallMethod(), AcpiInstallNotifyHandler(), and AcpiNsRootInitialize().

◆ AcpiNsDetachData()

ACPI_STATUS AcpiNsDetachData ( ACPI_NAMESPACE_NODE Node,
ACPI_OBJECT_HANDLER  Handler 
)

Definition at line 446 of file nsobject.c.

449{
450 ACPI_OPERAND_OBJECT *ObjDesc;
451 ACPI_OPERAND_OBJECT *PrevObjDesc;
452
453
454 PrevObjDesc = NULL;
455 ObjDesc = Node->Object;
456 while (ObjDesc)
457 {
458 if ((ObjDesc->Common.Type == ACPI_TYPE_LOCAL_DATA) &&
459 (ObjDesc->Data.Handler == Handler))
460 {
461 if (PrevObjDesc)
462 {
463 PrevObjDesc->Common.NextObject = ObjDesc->Common.NextObject;
464 }
465 else
466 {
467 Node->Object = ObjDesc->Common.NextObject;
468 }
469
470 AcpiUtRemoveReference (ObjDesc);
471 return (AE_OK);
472 }
473
474 PrevObjDesc = ObjDesc;
475 ObjDesc = ObjDesc->Common.NextObject;
476 }
477
478 return (AE_NOT_FOUND);
479}
#define AE_NOT_FOUND
Definition: acexcep.h:113
void AcpiUtRemoveReference(ACPI_OPERAND_OBJECT *Object)
Definition: utdelete.c:790

Referenced by AcpiDetachData().

◆ AcpiNsDetachObject()

void AcpiNsDetachObject ( ACPI_NAMESPACE_NODE Node)

Definition at line 220 of file nsobject.c.

222{
223 ACPI_OPERAND_OBJECT *ObjDesc;
224
225
226 ACPI_FUNCTION_TRACE (NsDetachObject);
227
228
229 ObjDesc = Node->Object;
230
231 if (!ObjDesc ||
232 (ObjDesc->Common.Type == ACPI_TYPE_LOCAL_DATA))
233 {
235 }
236
237 if (Node->Flags & ANOBJ_ALLOCATED_BUFFER)
238 {
239 /* Free the dynamic aml buffer */
240
241 if (ObjDesc->Common.Type == ACPI_TYPE_METHOD)
242 {
243 ACPI_FREE (ObjDesc->Method.AmlStart);
244 }
245 }
246
247 if (ObjDesc->Common.Type == ACPI_TYPE_REGION)
248 {
250 }
251
252 /* Clear the Node entry in all cases */
253
254 Node->Object = NULL;
256 {
257 /* Unlink object from front of possible object list */
258
259 Node->Object = ObjDesc->Common.NextObject;
260
261 /* Handle possible 2-descriptor object */
262
263 if (Node->Object &&
264 (Node->Object->Common.Type != ACPI_TYPE_LOCAL_DATA))
265 {
266 Node->Object = Node->Object->Common.NextObject;
267 }
268
269 /*
270 * Detach the object from any data objects (which are still held by
271 * the namespace node)
272 */
273 if (ObjDesc->Common.NextObject &&
274 ((ObjDesc->Common.NextObject)->Common.Type == ACPI_TYPE_LOCAL_DATA))
275 {
276 ObjDesc->Common.NextObject = NULL;
277 }
278 }
279
280 /* Reset the node type to untyped */
281
282 Node->Type = ACPI_TYPE_ANY;
283
284 ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Node %p [%4.4s] Object %p\n",
285 Node, AcpiUtGetNodeName (Node), ObjDesc));
286
287 /* Remove one reference on the object (and all subobjects) */
288
289 AcpiUtRemoveReference (ObjDesc);
291}
#define ANOBJ_ALLOCATED_BUFFER
Definition: aclocal.h:221
#define ACPI_DESC_TYPE_OPERAND
Definition: acobject.h:576
#define return_VOID
Definition: acoutput.h:495
#define ACPI_DB_NAMES
Definition: acoutput.h:166
#define ACPI_TYPE_REGION
Definition: actypes.h:697
#define ACPI_FREE(a)
Definition: actypes.h:386
#define ACPI_TYPE_METHOD
Definition: actypes.h:695
void AcpiUtRemoveAddressRange(ACPI_ADR_SPACE_TYPE SpaceId, ACPI_NAMESPACE_NODE *RegionNode)
Definition: utaddress.c:139
UINT8 * AmlStart
Definition: acobject.h:221
ACPI_OBJECT_COMMON_HEADER UINT8 SpaceId
Definition: acobject.h:202
ACPI_OBJECT_METHOD Method
Definition: acobject.h:525
ACPI_OBJECT_REGION Region
Definition: acobject.h:527

Referenced by AcpiDsLoad2EndOp(), AcpiDsMethodDataDeleteAll(), AcpiNsAttachObject(), AcpiNsDeleteNamespaceByOwner(), AcpiNsDeleteNamespaceSubtree(), and AcpiNsDeleteNode().

◆ AcpiNsGetAttachedData()

ACPI_STATUS AcpiNsGetAttachedData ( ACPI_NAMESPACE_NODE Node,
ACPI_OBJECT_HANDLER  Handler,
void **  Data 
)

Definition at line 498 of file nsobject.c.

502{
503 ACPI_OPERAND_OBJECT *ObjDesc;
504
505
506 ObjDesc = Node->Object;
507 while (ObjDesc)
508 {
509 if ((ObjDesc->Common.Type == ACPI_TYPE_LOCAL_DATA) &&
510 (ObjDesc->Data.Handler == Handler))
511 {
512 *Data = ObjDesc->Data.Pointer;
513 return (AE_OK);
514 }
515
516 ObjDesc = ObjDesc->Common.NextObject;
517 }
518
519 return (AE_NOT_FOUND);
520}

Referenced by AcpiGetData().

◆ AcpiNsGetAttachedObject()

ACPI_OPERAND_OBJECT * AcpiNsGetAttachedObject ( ACPI_NAMESPACE_NODE Node)

Definition at line 308 of file nsobject.c.

310{
311 ACPI_FUNCTION_TRACE_PTR (NsGetAttachedObject, Node);
312
313
314 if (!Node)
315 {
316 ACPI_WARNING ((AE_INFO, "Null Node ptr"));
318 }
319
320 if (!Node->Object ||
323 ((Node->Object)->Common.Type == ACPI_TYPE_LOCAL_DATA))
324 {
326 }
327
328 return_PTR (Node->Object);
329}
#define ACPI_WARNING(plist)
Definition: acoutput.h:238
#define return_PTR(s)
Definition: acoutput.h:497
#define ACPI_FUNCTION_TRACE_PTR(a, b)
Definition: acoutput.h:481

Referenced by AcpiDsCallControlMethod(), AcpiDsCreateBufferField(), AcpiDsCreateNode(), AcpiDsEvalBankFieldOperands(), AcpiDsEvalBufferFieldOperands(), AcpiDsEvalRegionOperands(), AcpiDsEvalTableRegionOperands(), AcpiDsExecEndOp(), AcpiDsGetFieldNames(), AcpiDsInitAmlWalk(), AcpiDsInitializeRegion(), AcpiDsInitOneObject(), AcpiDsLoad1EndOp(), AcpiDsLoad2EndOp(), AcpiDsMethodDataDeleteValue(), AcpiDsStoreObjectToLocal(), AcpiEvGetGpeEventInfo(), AcpiEvHasDefaultHandler(), AcpiEvInitializeRegion(), AcpiEvInstallHandler(), AcpiEvInstallSpaceHandler(), AcpiEvQueueNotifyRequest(), AcpiEvRegRun(), AcpiExCreateRegion(), AcpiExLoadOp(), AcpiExOpcode_1A_0T_1R(), AcpiExPrepFieldValue(), AcpiExResolveMultiple(), AcpiExResolveNodeToValue(), AcpiExResolveOperands(), AcpiExStoreObjectToNode(), AcpiInstallGpeBlock(), AcpiInstallNotifyHandler(), AcpiNsEvaluate(), AcpiNsInitOneObject(), AcpiNsInitOnePackage(), AcpiPsGetNextNamepath(), AcpiRemoveAddressSpaceHandler(), AcpiRemoveGpeBlock(), AcpiRemoveNotifyHandler(), and AcpiUtGetMutexObject().

◆ AcpiNsGetSecondaryObject()

ACPI_OPERAND_OBJECT * AcpiNsGetSecondaryObject ( ACPI_OPERAND_OBJECT ObjDesc)

Definition at line 346 of file nsobject.c.

348{
349 ACPI_FUNCTION_TRACE_PTR (NsGetSecondaryObject, ObjDesc);
350
351
352 if ((!ObjDesc) ||
353 (ObjDesc->Common.Type== ACPI_TYPE_LOCAL_DATA) ||
354 (!ObjDesc->Common.NextObject) ||
355 ((ObjDesc->Common.NextObject)->Common.Type == ACPI_TYPE_LOCAL_DATA))
356 {
358 }
359
360 return_PTR (ObjDesc->Common.NextObject);
361}

Referenced by AcpiDsGetBankFieldArguments(), AcpiDsGetBufferFieldArguments(), AcpiDsGetRegionArguments(), AcpiEvAddressSpaceDispatch(), AcpiEvDetachRegion(), AcpiEvExecuteRegMethod(), AcpiExCreateRegion(), and AcpiUtDeleteInternalObj().