1// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
2/******************************************************************************
3 *
4 * Module Name: nsdump - table dumping routines for debug
5 *
6 * Copyright (C) 2000 - 2023, Intel Corp.
7 *
8 *****************************************************************************/
9
10#include <acpi/acpi.h>
11#include "accommon.h"
12#include "acnamesp.h"
13#include <acpi/acoutput.h>
14
15#define _COMPONENT          ACPI_NAMESPACE
16ACPI_MODULE_NAME("nsdump")
17
18/* Local prototypes */
19#ifdef ACPI_OBSOLETE_FUNCTIONS
20void acpi_ns_dump_root_devices(void);
21
22static acpi_status
23acpi_ns_dump_one_device(acpi_handle obj_handle,
24			u32 level, void *context, void **return_value);
25#endif
26
27#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
28
29static acpi_status
30acpi_ns_dump_one_object_path(acpi_handle obj_handle,
31			     u32 level, void *context, void **return_value);
32
33static acpi_status
34acpi_ns_get_max_depth(acpi_handle obj_handle,
35		      u32 level, void *context, void **return_value);
36
37/*******************************************************************************
38 *
39 * FUNCTION:    acpi_ns_print_pathname
40 *
41 * PARAMETERS:  num_segments        - Number of ACPI name segments
42 *              pathname            - The compressed (internal) path
43 *
44 * RETURN:      None
45 *
46 * DESCRIPTION: Print an object's full namespace pathname
47 *
48 ******************************************************************************/
49
50void acpi_ns_print_pathname(u32 num_segments, const char *pathname)
51{
52	u32 i;
53
54	ACPI_FUNCTION_NAME(ns_print_pathname);
55
56	/* Check if debug output enabled */
57
58	if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_NAMES, ACPI_NAMESPACE)) {
59		return;
60	}
61
62	/* Print the entire name */
63
64	ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "["));
65
66	while (num_segments) {
67		for (i = 0; i < 4; i++) {
68			isprint((int)pathname[i]) ?
69			    acpi_os_printf("%c", pathname[i]) :
70			    acpi_os_printf("?");
71		}
72
73		pathname += ACPI_NAMESEG_SIZE;
74		num_segments--;
75		if (num_segments) {
76			acpi_os_printf(".");
77		}
78	}
79
80	acpi_os_printf("]\n");
81}
82
83#ifdef ACPI_OBSOLETE_FUNCTIONS
84/* Not used at this time, perhaps later */
85
86/*******************************************************************************
87 *
88 * FUNCTION:    acpi_ns_dump_pathname
89 *
90 * PARAMETERS:  handle              - Object
91 *              msg                 - Prefix message
92 *              level               - Desired debug level
93 *              component           - Caller's component ID
94 *
95 * RETURN:      None
96 *
97 * DESCRIPTION: Print an object's full namespace pathname
98 *              Manages allocation/freeing of a pathname buffer
99 *
100 ******************************************************************************/
101
102void
103acpi_ns_dump_pathname(acpi_handle handle,
104		      const char *msg, u32 level, u32 component)
105{
106
107	ACPI_FUNCTION_TRACE(ns_dump_pathname);
108
109	/* Do this only if the requested debug level and component are enabled */
110
111	if (!ACPI_IS_DEBUG_ENABLED(level, component)) {
112		return_VOID;
113	}
114
115	/* Convert handle to a full pathname and print it (with supplied message) */
116
117	acpi_ns_print_node_pathname(handle, msg);
118	acpi_os_printf("\n");
119	return_VOID;
120}
121#endif
122
123/*******************************************************************************
124 *
125 * FUNCTION:    acpi_ns_dump_one_object
126 *
127 * PARAMETERS:  obj_handle          - Node to be dumped
128 *              level               - Nesting level of the handle
129 *              context             - Passed into walk_namespace
130 *              return_value        - Not used
131 *
132 * RETURN:      Status
133 *
134 * DESCRIPTION: Dump a single Node
135 *              This procedure is a user_function called by acpi_ns_walk_namespace.
136 *
137 ******************************************************************************/
138
139acpi_status
140acpi_ns_dump_one_object(acpi_handle obj_handle,
141			u32 level, void *context, void **return_value)
142{
143	struct acpi_walk_info *info = (struct acpi_walk_info *)context;
144	struct acpi_namespace_node *this_node;
145	union acpi_operand_object *obj_desc = NULL;
146	acpi_object_type obj_type;
147	acpi_object_type type;
148	u32 bytes_to_dump;
149	u32 dbg_level;
150	u32 i;
151
152	ACPI_FUNCTION_NAME(ns_dump_one_object);
153
154	/* Is output enabled? */
155
156	if (!(acpi_dbg_level & info->debug_level)) {
157		return (AE_OK);
158	}
159
160	if (!obj_handle) {
161		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Null object handle\n"));
162		return (AE_OK);
163	}
164
165	this_node = acpi_ns_validate_handle(obj_handle);
166	if (!this_node) {
167		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Invalid object handle %p\n",
168				  obj_handle));
169		return (AE_OK);
170	}
171
172	type = this_node->type;
173	info->count++;
174
175	/* Check if the owner matches */
176
177	if ((info->owner_id != ACPI_OWNER_ID_MAX) &&
178	    (info->owner_id != this_node->owner_id)) {
179		return (AE_OK);
180	}
181
182	if (!(info->display_type & ACPI_DISPLAY_SHORT)) {
183
184		/* Indent the object according to the level */
185
186		acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " ");
187
188		/* Check the node type and name */
189
190		if (type > ACPI_TYPE_LOCAL_MAX) {
191			ACPI_WARNING((AE_INFO,
192				      "Invalid ACPI Object Type 0x%08X", type));
193		}
194
195		acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node));
196	}
197
198	/* Now we can print out the pertinent information */
199
200	acpi_os_printf(" %-12s %p %3.3X ",
201		       acpi_ut_get_type_name(type), this_node,
202		       this_node->owner_id);
203
204	dbg_level = acpi_dbg_level;
205	acpi_dbg_level = 0;
206	obj_desc = acpi_ns_get_attached_object(this_node);
207	acpi_dbg_level = dbg_level;
208
209	/* Temp nodes are those nodes created by a control method */
210
211	if (this_node->flags & ANOBJ_TEMPORARY) {
212		acpi_os_printf("(T) ");
213	}
214
215	switch (info->display_type & ACPI_DISPLAY_MASK) {
216	case ACPI_DISPLAY_SUMMARY:
217
218		if (!obj_desc) {
219
220			/* No attached object. Some types should always have an object */
221
222			switch (type) {
223			case ACPI_TYPE_INTEGER:
224			case ACPI_TYPE_PACKAGE:
225			case ACPI_TYPE_BUFFER:
226			case ACPI_TYPE_STRING:
227			case ACPI_TYPE_METHOD:
228
229				acpi_os_printf("<No attached object>");
230				break;
231
232			default:
233
234				break;
235			}
236
237			acpi_os_printf("\n");
238			return (AE_OK);
239		}
240
241		switch (type) {
242		case ACPI_TYPE_PROCESSOR:
243
244			acpi_os_printf("ID %02X Len %02X Addr %8.8X%8.8X\n",
245				       obj_desc->processor.proc_id,
246				       obj_desc->processor.length,
247				       ACPI_FORMAT_UINT64(obj_desc->processor.
248							  address));
249			break;
250
251		case ACPI_TYPE_DEVICE:
252
253			acpi_os_printf("Notify Object: %p\n", obj_desc);
254			break;
255
256		case ACPI_TYPE_METHOD:
257
258			acpi_os_printf("Args %X Len %.4X Aml %p\n",
259				       (u32) obj_desc->method.param_count,
260				       obj_desc->method.aml_length,
261				       obj_desc->method.aml_start);
262			break;
263
264		case ACPI_TYPE_INTEGER:
265
266			acpi_os_printf("= %8.8X%8.8X\n",
267				       ACPI_FORMAT_UINT64(obj_desc->integer.
268							  value));
269			break;
270
271		case ACPI_TYPE_PACKAGE:
272
273			if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
274				acpi_os_printf("Elements %.2X\n",
275					       obj_desc->package.count);
276			} else {
277				acpi_os_printf("[Length not yet evaluated]\n");
278			}
279			break;
280
281		case ACPI_TYPE_BUFFER:
282
283			if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
284				acpi_os_printf("Len %.2X",
285					       obj_desc->buffer.length);
286
287				/* Dump some of the buffer */
288
289				if (obj_desc->buffer.length > 0) {
290					acpi_os_printf(" =");
291					for (i = 0;
292					     (i < obj_desc->buffer.length
293					      && i < 12); i++) {
294						acpi_os_printf(" %2.2X",
295							       obj_desc->buffer.
296							       pointer[i]);
297					}
298				}
299				acpi_os_printf("\n");
300			} else {
301				acpi_os_printf("[Length not yet evaluated]\n");
302			}
303			break;
304
305		case ACPI_TYPE_STRING:
306
307			acpi_os_printf("Len %.2X ", obj_desc->string.length);
308			acpi_ut_print_string(obj_desc->string.pointer, 80);
309			acpi_os_printf("\n");
310			break;
311
312		case ACPI_TYPE_REGION:
313
314			acpi_os_printf("[%s]",
315				       acpi_ut_get_region_name(obj_desc->region.
316							       space_id));
317			if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
318				acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n",
319					       ACPI_FORMAT_UINT64(obj_desc->
320								  region.
321								  address),
322					       obj_desc->region.length);
323			} else {
324				acpi_os_printf
325				    (" [Address/Length not yet evaluated]\n");
326			}
327			break;
328
329		case ACPI_TYPE_LOCAL_REFERENCE:
330
331			acpi_os_printf("[%s]\n",
332				       acpi_ut_get_reference_name(obj_desc));
333			break;
334
335		case ACPI_TYPE_BUFFER_FIELD:
336
337			if (obj_desc->buffer_field.buffer_obj &&
338			    obj_desc->buffer_field.buffer_obj->buffer.node) {
339				acpi_os_printf("Buf [%4.4s]",
340					       acpi_ut_get_node_name(obj_desc->
341								     buffer_field.
342								     buffer_obj->
343								     buffer.
344								     node));
345			}
346			break;
347
348		case ACPI_TYPE_LOCAL_REGION_FIELD:
349
350			acpi_os_printf("Rgn [%4.4s]",
351				       acpi_ut_get_node_name(obj_desc->
352							     common_field.
353							     region_obj->region.
354							     node));
355			break;
356
357		case ACPI_TYPE_LOCAL_BANK_FIELD:
358
359			acpi_os_printf("Rgn [%4.4s] Bnk [%4.4s]",
360				       acpi_ut_get_node_name(obj_desc->
361							     common_field.
362							     region_obj->region.
363							     node),
364				       acpi_ut_get_node_name(obj_desc->
365							     bank_field.
366							     bank_obj->
367							     common_field.
368							     node));
369			break;
370
371		case ACPI_TYPE_LOCAL_INDEX_FIELD:
372
373			acpi_os_printf("Idx [%4.4s] Dat [%4.4s]",
374				       acpi_ut_get_node_name(obj_desc->
375							     index_field.
376							     index_obj->
377							     common_field.node),
378				       acpi_ut_get_node_name(obj_desc->
379							     index_field.
380							     data_obj->
381							     common_field.
382							     node));
383			break;
384
385		case ACPI_TYPE_LOCAL_ALIAS:
386		case ACPI_TYPE_LOCAL_METHOD_ALIAS:
387
388			acpi_os_printf("Target %4.4s (%p)\n",
389				       acpi_ut_get_node_name(obj_desc),
390				       obj_desc);
391			break;
392
393		default:
394
395			acpi_os_printf("Object %p\n", obj_desc);
396			break;
397		}
398
399		/* Common field handling */
400
401		switch (type) {
402		case ACPI_TYPE_BUFFER_FIELD:
403		case ACPI_TYPE_LOCAL_REGION_FIELD:
404		case ACPI_TYPE_LOCAL_BANK_FIELD:
405		case ACPI_TYPE_LOCAL_INDEX_FIELD:
406
407			acpi_os_printf(" Off %.3X Len %.2X Acc %.2X\n",
408				       (obj_desc->common_field.
409					base_byte_offset * 8)
410				       +
411				       obj_desc->common_field.
412				       start_field_bit_offset,
413				       obj_desc->common_field.bit_length,
414				       obj_desc->common_field.
415				       access_byte_width);
416			break;
417
418		default:
419
420			break;
421		}
422		break;
423
424	case ACPI_DISPLAY_OBJECTS:
425
426		acpi_os_printf("O:%p", obj_desc);
427		if (!obj_desc) {
428
429			/* No attached object, we are done */
430
431			acpi_os_printf("\n");
432			return (AE_OK);
433		}
434
435		acpi_os_printf("(R%u)", obj_desc->common.reference_count);
436
437		switch (type) {
438		case ACPI_TYPE_METHOD:
439
440			/* Name is a Method and its AML offset/length are set */
441
442			acpi_os_printf(" M:%p-%X\n", obj_desc->method.aml_start,
443				       obj_desc->method.aml_length);
444			break;
445
446		case ACPI_TYPE_INTEGER:
447
448			acpi_os_printf(" I:%8.8X8.8%X\n",
449				       ACPI_FORMAT_UINT64(obj_desc->integer.
450							  value));
451			break;
452
453		case ACPI_TYPE_STRING:
454
455			acpi_os_printf(" S:%p-%X\n", obj_desc->string.pointer,
456				       obj_desc->string.length);
457			break;
458
459		case ACPI_TYPE_BUFFER:
460
461			acpi_os_printf(" B:%p-%X\n", obj_desc->buffer.pointer,
462				       obj_desc->buffer.length);
463			break;
464
465		default:
466
467			acpi_os_printf("\n");
468			break;
469		}
470		break;
471
472	default:
473		acpi_os_printf("\n");
474		break;
475	}
476
477	/* If debug turned off, done */
478
479	if (!(acpi_dbg_level & ACPI_LV_VALUES)) {
480		return (AE_OK);
481	}
482
483	/* If there is an attached object, display it */
484
485	dbg_level = acpi_dbg_level;
486	acpi_dbg_level = 0;
487	obj_desc = acpi_ns_get_attached_object(this_node);
488	acpi_dbg_level = dbg_level;
489
490	/* Dump attached objects */
491
492	while (obj_desc) {
493		obj_type = ACPI_TYPE_INVALID;
494		acpi_os_printf("Attached Object %p: ", obj_desc);
495
496		/* Decode the type of attached object and dump the contents */
497
498		switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
499		case ACPI_DESC_TYPE_NAMED:
500
501			acpi_os_printf("(Ptr to Node)\n");
502			bytes_to_dump = sizeof(struct acpi_namespace_node);
503			ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
504			break;
505
506		case ACPI_DESC_TYPE_OPERAND:
507
508			obj_type = obj_desc->common.type;
509
510			if (obj_type > ACPI_TYPE_LOCAL_MAX) {
511				acpi_os_printf
512				    ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
513				     obj_type);
514
515				bytes_to_dump = 32;
516			} else {
517				acpi_os_printf
518				    ("(Pointer to ACPI Object type %.2X [%s])\n",
519				     obj_type, acpi_ut_get_type_name(obj_type));
520
521				bytes_to_dump =
522				    sizeof(union acpi_operand_object);
523			}
524
525			ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
526			break;
527
528		default:
529
530			break;
531		}
532
533		/* If value is NOT an internal object, we are done */
534
535		if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) !=
536		    ACPI_DESC_TYPE_OPERAND) {
537			goto cleanup;
538		}
539
540		/* Valid object, get the pointer to next level, if any */
541
542		switch (obj_type) {
543		case ACPI_TYPE_BUFFER:
544		case ACPI_TYPE_STRING:
545			/*
546			 * NOTE: takes advantage of common fields between string/buffer
547			 */
548			bytes_to_dump = obj_desc->string.length;
549			obj_desc = (void *)obj_desc->string.pointer;
550
551			acpi_os_printf("(Buffer/String pointer %p length %X)\n",
552				       obj_desc, bytes_to_dump);
553			ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
554			goto cleanup;
555
556		case ACPI_TYPE_BUFFER_FIELD:
557
558			obj_desc =
559			    (union acpi_operand_object *)obj_desc->buffer_field.
560			    buffer_obj;
561			break;
562
563		case ACPI_TYPE_PACKAGE:
564
565			obj_desc = (void *)obj_desc->package.elements;
566			break;
567
568		case ACPI_TYPE_METHOD:
569
570			obj_desc = (void *)obj_desc->method.aml_start;
571			break;
572
573		case ACPI_TYPE_LOCAL_REGION_FIELD:
574
575			obj_desc = (void *)obj_desc->field.region_obj;
576			break;
577
578		case ACPI_TYPE_LOCAL_BANK_FIELD:
579
580			obj_desc = (void *)obj_desc->bank_field.region_obj;
581			break;
582
583		case ACPI_TYPE_LOCAL_INDEX_FIELD:
584
585			obj_desc = (void *)obj_desc->index_field.index_obj;
586			break;
587
588		default:
589
590			goto cleanup;
591		}
592	}
593
594cleanup:
595	acpi_os_printf("\n");
596	return (AE_OK);
597}
598
599/*******************************************************************************
600 *
601 * FUNCTION:    acpi_ns_dump_objects
602 *
603 * PARAMETERS:  type                - Object type to be dumped
604 *              display_type        - 0 or ACPI_DISPLAY_SUMMARY
605 *              max_depth           - Maximum depth of dump. Use ACPI_UINT32_MAX
606 *                                    for an effectively unlimited depth.
607 *              owner_id            - Dump only objects owned by this ID. Use
608 *                                    ACPI_UINT32_MAX to match all owners.
609 *              start_handle        - Where in namespace to start/end search
610 *
611 * RETURN:      None
612 *
613 * DESCRIPTION: Dump typed objects within the loaded namespace. Uses
614 *              acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
615 *
616 ******************************************************************************/
617
618void
619acpi_ns_dump_objects(acpi_object_type type,
620		     u8 display_type,
621		     u32 max_depth,
622		     acpi_owner_id owner_id, acpi_handle start_handle)
623{
624	struct acpi_walk_info info;
625	acpi_status status;
626
627	ACPI_FUNCTION_ENTRY();
628
629	/*
630	 * Just lock the entire namespace for the duration of the dump.
631	 * We don't want any changes to the namespace during this time,
632	 * especially the temporary nodes since we are going to display
633	 * them also.
634	 */
635	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
636	if (ACPI_FAILURE(status)) {
637		acpi_os_printf("Could not acquire namespace mutex\n");
638		return;
639	}
640
641	info.count = 0;
642	info.debug_level = ACPI_LV_TABLES;
643	info.owner_id = owner_id;
644	info.display_type = display_type;
645
646	(void)acpi_ns_walk_namespace(type, start_handle, max_depth,
647				     ACPI_NS_WALK_NO_UNLOCK |
648				     ACPI_NS_WALK_TEMP_NODES,
649				     acpi_ns_dump_one_object, NULL,
650				     (void *)&info, NULL);
651
652	acpi_os_printf("\nNamespace node count: %u\n\n", info.count);
653	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
654}
655
656/*******************************************************************************
657 *
658 * FUNCTION:    acpi_ns_dump_one_object_path, acpi_ns_get_max_depth
659 *
660 * PARAMETERS:  obj_handle          - Node to be dumped
661 *              level               - Nesting level of the handle
662 *              context             - Passed into walk_namespace
663 *              return_value        - Not used
664 *
665 * RETURN:      Status
666 *
667 * DESCRIPTION: Dump the full pathname to a namespace object. acp_ns_get_max_depth
668 *              computes the maximum nesting depth in the namespace tree, in
669 *              order to simplify formatting in acpi_ns_dump_one_object_path.
670 *              These procedures are user_functions called by acpi_ns_walk_namespace.
671 *
672 ******************************************************************************/
673
674static acpi_status
675acpi_ns_dump_one_object_path(acpi_handle obj_handle,
676			     u32 level, void *context, void **return_value)
677{
678	u32 max_level = *((u32 *)context);
679	char *pathname;
680	struct acpi_namespace_node *node;
681	int path_indent;
682
683	if (!obj_handle) {
684		return (AE_OK);
685	}
686
687	node = acpi_ns_validate_handle(obj_handle);
688	if (!node) {
689
690		/* Ignore bad node during namespace walk */
691
692		return (AE_OK);
693	}
694
695	pathname = acpi_ns_get_normalized_pathname(node, TRUE);
696
697	path_indent = 1;
698	if (level <= max_level) {
699		path_indent = max_level - level + 1;
700	}
701
702	acpi_os_printf("%2d%*s%-12s%*s",
703		       level, level, " ", acpi_ut_get_type_name(node->type),
704		       path_indent, " ");
705
706	acpi_os_printf("%s\n", &pathname[1]);
707	ACPI_FREE(pathname);
708	return (AE_OK);
709}
710
711static acpi_status
712acpi_ns_get_max_depth(acpi_handle obj_handle,
713		      u32 level, void *context, void **return_value)
714{
715	u32 *max_level = (u32 *)context;
716
717	if (level > *max_level) {
718		*max_level = level;
719	}
720	return (AE_OK);
721}
722
723/*******************************************************************************
724 *
725 * FUNCTION:    acpi_ns_dump_object_paths
726 *
727 * PARAMETERS:  type                - Object type to be dumped
728 *              display_type        - 0 or ACPI_DISPLAY_SUMMARY
729 *              max_depth           - Maximum depth of dump. Use ACPI_UINT32_MAX
730 *                                    for an effectively unlimited depth.
731 *              owner_id            - Dump only objects owned by this ID. Use
732 *                                    ACPI_UINT32_MAX to match all owners.
733 *              start_handle        - Where in namespace to start/end search
734 *
735 * RETURN:      None
736 *
737 * DESCRIPTION: Dump full object pathnames within the loaded namespace. Uses
738 *              acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object_path.
739 *
740 ******************************************************************************/
741
742void
743acpi_ns_dump_object_paths(acpi_object_type type,
744			  u8 display_type,
745			  u32 max_depth,
746			  acpi_owner_id owner_id, acpi_handle start_handle)
747{
748	acpi_status status;
749	u32 max_level = 0;
750
751	ACPI_FUNCTION_ENTRY();
752
753	/*
754	 * Just lock the entire namespace for the duration of the dump.
755	 * We don't want any changes to the namespace during this time,
756	 * especially the temporary nodes since we are going to display
757	 * them also.
758	 */
759	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
760	if (ACPI_FAILURE(status)) {
761		acpi_os_printf("Could not acquire namespace mutex\n");
762		return;
763	}
764
765	/* Get the max depth of the namespace tree, for formatting later */
766
767	(void)acpi_ns_walk_namespace(type, start_handle, max_depth,
768				     ACPI_NS_WALK_NO_UNLOCK |
769				     ACPI_NS_WALK_TEMP_NODES,
770				     acpi_ns_get_max_depth, NULL,
771				     (void *)&max_level, NULL);
772
773	/* Now dump the entire namespace */
774
775	(void)acpi_ns_walk_namespace(type, start_handle, max_depth,
776				     ACPI_NS_WALK_NO_UNLOCK |
777				     ACPI_NS_WALK_TEMP_NODES,
778				     acpi_ns_dump_one_object_path, NULL,
779				     (void *)&max_level, NULL);
780
781	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
782}
783
784/*******************************************************************************
785 *
786 * FUNCTION:    acpi_ns_dump_entry
787 *
788 * PARAMETERS:  handle              - Node to be dumped
789 *              debug_level         - Output level
790 *
791 * RETURN:      None
792 *
793 * DESCRIPTION: Dump a single Node
794 *
795 ******************************************************************************/
796
797void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level)
798{
799	struct acpi_walk_info info;
800
801	ACPI_FUNCTION_ENTRY();
802
803	info.debug_level = debug_level;
804	info.owner_id = ACPI_OWNER_ID_MAX;
805	info.display_type = ACPI_DISPLAY_SUMMARY;
806
807	(void)acpi_ns_dump_one_object(handle, 1, &info, NULL);
808}
809
810#ifdef ACPI_ASL_COMPILER
811/*******************************************************************************
812 *
813 * FUNCTION:    acpi_ns_dump_tables
814 *
815 * PARAMETERS:  search_base         - Root of subtree to be dumped, or
816 *                                    NS_ALL to dump the entire namespace
817 *              max_depth           - Maximum depth of dump. Use INT_MAX
818 *                                    for an effectively unlimited depth.
819 *
820 * RETURN:      None
821 *
822 * DESCRIPTION: Dump the name space, or a portion of it.
823 *
824 ******************************************************************************/
825
826void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
827{
828	acpi_handle search_handle = search_base;
829
830	ACPI_FUNCTION_TRACE(ns_dump_tables);
831
832	if (!acpi_gbl_root_node) {
833		/*
834		 * If the name space has not been initialized,
835		 * there is nothing to dump.
836		 */
837		ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
838				  "namespace not initialized!\n"));
839		return_VOID;
840	}
841
842	if (ACPI_NS_ALL == search_base) {
843
844		/* Entire namespace */
845
846		search_handle = acpi_gbl_root_node;
847		ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "\\\n"));
848	}
849
850	acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth,
851			     ACPI_OWNER_ID_MAX, search_handle);
852	return_VOID;
853}
854#endif
855#endif
856