This source file includes following definitions.
- ACPI_MODULE_NAME
- acpi_ns_initialize_devices
- acpi_ns_init_one_package
- acpi_ns_init_one_object
- acpi_ns_find_ini_methods
- acpi_ns_init_one_device
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10 #include <acpi/acpi.h>
11 #include "accommon.h"
12 #include "acnamesp.h"
13 #include "acdispat.h"
14 #include "acinterp.h"
15 #include "acevents.h"
16
17 #define _COMPONENT ACPI_NAMESPACE
18 ACPI_MODULE_NAME("nsinit")
19
20
21 static acpi_status
22 acpi_ns_init_one_object(acpi_handle obj_handle,
23 u32 level, void *context, void **return_value);
24
25 static acpi_status
26 acpi_ns_init_one_device(acpi_handle obj_handle,
27 u32 nesting_level, void *context, void **return_value);
28
29 static acpi_status
30 acpi_ns_find_ini_methods(acpi_handle obj_handle,
31 u32 nesting_level, void *context, void **return_value);
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46 acpi_status acpi_ns_initialize_objects(void)
47 {
48 acpi_status status;
49 struct acpi_init_walk_info info;
50
51 ACPI_FUNCTION_TRACE(ns_initialize_objects);
52
53 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
54 "[Init] Completing Initialization of ACPI Objects\n"));
55 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
56 "**** Starting initialization of namespace objects ****\n"));
57 ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
58 "Final data object initialization: "));
59
60
61
62 memset(&info, 0, sizeof(struct acpi_init_walk_info));
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71 status = acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
72 ACPI_UINT32_MAX, acpi_ns_init_one_object,
73 NULL, &info, NULL);
74 if (ACPI_FAILURE(status)) {
75 ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace"));
76 }
77
78 ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
79 "Namespace contains %u (0x%X) objects\n",
80 info.object_count, info.object_count));
81
82 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
83 "%u Control Methods found\n%u Op Regions found\n",
84 info.method_count, info.op_region_count));
85
86 return_ACPI_STATUS(AE_OK);
87 }
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105 acpi_status acpi_ns_initialize_devices(u32 flags)
106 {
107 acpi_status status = AE_OK;
108 struct acpi_device_walk_info info;
109 acpi_handle handle;
110
111 ACPI_FUNCTION_TRACE(ns_initialize_devices);
112
113 if (!(flags & ACPI_NO_DEVICE_INIT)) {
114 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
115 "[Init] Initializing ACPI Devices\n"));
116
117
118
119 info.device_count = 0;
120 info.num_STA = 0;
121 info.num_INI = 0;
122
123 ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
124 "Initializing Device/Processor/Thermal objects "
125 "and executing _INI/_STA methods:\n"));
126
127
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129 status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
130 ACPI_UINT32_MAX, FALSE,
131 acpi_ns_find_ini_methods, NULL,
132 &info, NULL);
133 if (ACPI_FAILURE(status)) {
134 goto error_exit;
135 }
136
137
138
139 info.evaluate_info =
140 ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
141 if (!info.evaluate_info) {
142 status = AE_NO_MEMORY;
143 goto error_exit;
144 }
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151 info.evaluate_info->prefix_node = acpi_gbl_root_node;
152 info.evaluate_info->relative_pathname = METHOD_NAME__INI;
153 info.evaluate_info->parameters = NULL;
154 info.evaluate_info->flags = ACPI_IGNORE_RETURN_VALUE;
155
156 status = acpi_ns_evaluate(info.evaluate_info);
157 if (ACPI_SUCCESS(status)) {
158 info.num_INI++;
159 }
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166 status = acpi_get_handle(NULL, "\\_SB", &handle);
167 if (ACPI_SUCCESS(status)) {
168 memset(info.evaluate_info, 0,
169 sizeof(struct acpi_evaluate_info));
170 info.evaluate_info->prefix_node = handle;
171 info.evaluate_info->relative_pathname =
172 METHOD_NAME__INI;
173 info.evaluate_info->parameters = NULL;
174 info.evaluate_info->flags = ACPI_IGNORE_RETURN_VALUE;
175
176 status = acpi_ns_evaluate(info.evaluate_info);
177 if (ACPI_SUCCESS(status)) {
178 info.num_INI++;
179 }
180 }
181 }
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196 if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
197 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
198 "[Init] Executing _REG OpRegion methods\n"));
199
200 status = acpi_ev_initialize_op_regions();
201 if (ACPI_FAILURE(status)) {
202 goto error_exit;
203 }
204 }
205
206 if (!(flags & ACPI_NO_DEVICE_INIT)) {
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210 status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
211 ACPI_UINT32_MAX, FALSE,
212 acpi_ns_init_one_device, NULL,
213 &info, NULL);
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220 if (acpi_gbl_osi_data >= ACPI_OSI_WIN_2000) {
221 acpi_gbl_truncate_io_addresses = TRUE;
222 }
223
224 ACPI_FREE(info.evaluate_info);
225 if (ACPI_FAILURE(status)) {
226 goto error_exit;
227 }
228
229 ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
230 " Executed %u _INI methods requiring %u _STA executions "
231 "(examined %u objects)\n",
232 info.num_INI, info.num_STA,
233 info.device_count));
234 }
235
236 return_ACPI_STATUS(status);
237
238 error_exit:
239 ACPI_EXCEPTION((AE_INFO, status, "During device initialization"));
240 return_ACPI_STATUS(status);
241 }
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259 acpi_status
260 acpi_ns_init_one_package(acpi_handle obj_handle,
261 u32 level, void *context, void **return_value)
262 {
263 acpi_status status;
264 union acpi_operand_object *obj_desc;
265 struct acpi_namespace_node *node =
266 (struct acpi_namespace_node *)obj_handle;
267
268 obj_desc = acpi_ns_get_attached_object(node);
269 if (!obj_desc) {
270 return (AE_OK);
271 }
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275 if (obj_desc->package.flags & AOPOBJ_DATA_VALID) {
276 return (AE_OK);
277 }
278
279 status = acpi_ds_get_package_arguments(obj_desc);
280 if (ACPI_FAILURE(status)) {
281 return (AE_OK);
282 }
283
284 status =
285 acpi_ut_walk_package_tree(obj_desc, NULL,
286 acpi_ds_init_package_element, NULL);
287 if (ACPI_FAILURE(status)) {
288 return (AE_OK);
289 }
290
291 obj_desc->package.flags |= AOPOBJ_DATA_VALID;
292 return (AE_OK);
293 }
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315 static acpi_status
316 acpi_ns_init_one_object(acpi_handle obj_handle,
317 u32 level, void *context, void **return_value)
318 {
319 acpi_object_type type;
320 acpi_status status = AE_OK;
321 struct acpi_init_walk_info *info =
322 (struct acpi_init_walk_info *)context;
323 struct acpi_namespace_node *node =
324 (struct acpi_namespace_node *)obj_handle;
325 union acpi_operand_object *obj_desc;
326
327 ACPI_FUNCTION_NAME(ns_init_one_object);
328
329 info->object_count++;
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333 type = acpi_ns_get_type(obj_handle);
334 obj_desc = acpi_ns_get_attached_object(node);
335 if (!obj_desc) {
336 return (AE_OK);
337 }
338
339
340
341 switch (type) {
342 case ACPI_TYPE_REGION:
343
344 info->op_region_count++;
345 break;
346
347 case ACPI_TYPE_BUFFER_FIELD:
348
349 info->field_count++;
350 break;
351
352 case ACPI_TYPE_LOCAL_BANK_FIELD:
353
354 info->field_count++;
355 break;
356
357 case ACPI_TYPE_BUFFER:
358
359 info->buffer_count++;
360 break;
361
362 case ACPI_TYPE_PACKAGE:
363
364 info->package_count++;
365 break;
366
367 default:
368
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371 return (AE_OK);
372 }
373
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376 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
377 return (AE_OK);
378 }
379
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382 acpi_ex_enter_interpreter();
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387
388 switch (type) {
389 case ACPI_TYPE_LOCAL_BANK_FIELD:
390
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393 info->field_init++;
394 status = acpi_ds_get_bank_field_arguments(obj_desc);
395 break;
396
397 case ACPI_TYPE_PACKAGE:
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401 info->package_init++;
402 status =
403 acpi_ns_init_one_package(obj_handle, level, NULL, NULL);
404 break;
405
406 default:
407
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410 status = AE_TYPE;
411 ACPI_EXCEPTION((AE_INFO, status,
412 "Opcode is not deferred [%4.4s] (%s)",
413 acpi_ut_get_node_name(node),
414 acpi_ut_get_type_name(type)));
415 break;
416 }
417
418 if (ACPI_FAILURE(status)) {
419 ACPI_EXCEPTION((AE_INFO, status,
420 "Could not execute arguments for [%4.4s] (%s)",
421 acpi_ut_get_node_name(node),
422 acpi_ut_get_type_name(type)));
423 }
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429 acpi_ex_exit_interpreter();
430 return (AE_OK);
431 }
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448
449 static acpi_status
450 acpi_ns_find_ini_methods(acpi_handle obj_handle,
451 u32 nesting_level, void *context, void **return_value)
452 {
453 struct acpi_device_walk_info *info =
454 ACPI_CAST_PTR(struct acpi_device_walk_info, context);
455 struct acpi_namespace_node *node;
456 struct acpi_namespace_node *parent_node;
457
458
459
460 node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle);
461 if ((node->type == ACPI_TYPE_DEVICE) ||
462 (node->type == ACPI_TYPE_PROCESSOR) ||
463 (node->type == ACPI_TYPE_THERMAL)) {
464 info->device_count++;
465 return (AE_OK);
466 }
467
468
469
470 if (!ACPI_COMPARE_NAMESEG(node->name.ascii, METHOD_NAME__INI)) {
471 return (AE_OK);
472 }
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477
478 parent_node = node->parent;
479 switch (parent_node->type) {
480 case ACPI_TYPE_DEVICE:
481 case ACPI_TYPE_PROCESSOR:
482 case ACPI_TYPE_THERMAL:
483
484
485
486 while (parent_node) {
487 parent_node->flags |= ANOBJ_SUBTREE_HAS_INI;
488 parent_node = parent_node->parent;
489 }
490 break;
491
492 default:
493
494 break;
495 }
496
497 return (AE_OK);
498 }
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514 static acpi_status
515 acpi_ns_init_one_device(acpi_handle obj_handle,
516 u32 nesting_level, void *context, void **return_value)
517 {
518 struct acpi_device_walk_info *walk_info =
519 ACPI_CAST_PTR(struct acpi_device_walk_info, context);
520 struct acpi_evaluate_info *info = walk_info->evaluate_info;
521 u32 flags;
522 acpi_status status;
523 struct acpi_namespace_node *device_node;
524
525 ACPI_FUNCTION_TRACE(ns_init_one_device);
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529 device_node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle);
530 if ((device_node->type != ACPI_TYPE_DEVICE) &&
531 (device_node->type != ACPI_TYPE_PROCESSOR) &&
532 (device_node->type != ACPI_TYPE_THERMAL)) {
533 return_ACPI_STATUS(AE_OK);
534 }
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541
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543 if (!(device_node->flags & ANOBJ_SUBTREE_HAS_INI)) {
544 return_ACPI_STATUS(AE_CTRL_DEPTH);
545 }
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558 ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
559 (ACPI_TYPE_METHOD, device_node, METHOD_NAME__STA));
560
561 status = acpi_ut_execute_STA(device_node, &flags);
562 if (ACPI_FAILURE(status)) {
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566 return_ACPI_STATUS(AE_OK);
567 }
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579 if (flags != ACPI_UINT32_MAX) {
580 walk_info->num_STA++;
581 }
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588
589 if (!(flags & ACPI_STA_DEVICE_PRESENT)) {
590
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593 if (flags & ACPI_STA_DEVICE_FUNCTIONING) {
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609 return_ACPI_STATUS(AE_OK);
610 } else {
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622 return_ACPI_STATUS(AE_CTRL_DEPTH);
623 }
624 }
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633 if (!ACPI_COMPARE_NAMESEG(device_node->name.ascii, "_SB_") ||
634 device_node->parent != acpi_gbl_root_node) {
635 ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
636 (ACPI_TYPE_METHOD, device_node,
637 METHOD_NAME__INI));
638
639 memset(info, 0, sizeof(struct acpi_evaluate_info));
640 info->prefix_node = device_node;
641 info->relative_pathname = METHOD_NAME__INI;
642 info->parameters = NULL;
643 info->flags = ACPI_IGNORE_RETURN_VALUE;
644
645 status = acpi_ns_evaluate(info);
646 if (ACPI_SUCCESS(status)) {
647 walk_info->num_INI++;
648 }
649 #ifdef ACPI_DEBUG_OUTPUT
650 else if (status != AE_NOT_FOUND) {
651
652
653
654 char *scope_name =
655 acpi_ns_get_normalized_pathname(device_node, TRUE);
656
657 ACPI_EXCEPTION((AE_INFO, status,
658 "during %s._INI execution",
659 scope_name));
660 ACPI_FREE(scope_name);
661 }
662 #endif
663 }
664
665
666
667 status = AE_OK;
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671
672
673 if (acpi_gbl_init_handler) {
674 status =
675 acpi_gbl_init_handler(device_node, ACPI_INIT_DEVICE_INI);
676 }
677
678 return_ACPI_STATUS(status);
679 }