1/******************************************************************************
2 *
3 * Module Name: nsdump - table dumping routines for debug
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2015, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions, and the following disclaimer,
16 *    without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 *    substantially similar to the "NO WARRANTY" disclaimer below
19 *    ("Disclaimer") and any redistribution must be conditioned upon
20 *    including a substantially similar Disclaimer requirement for further
21 *    binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 *    of any contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44#include <acpi/acpi.h>
45#include "accommon.h"
46#include "acnamesp.h"
47#include <acpi/acoutput.h>
48
49#define _COMPONENT          ACPI_NAMESPACE
50ACPI_MODULE_NAME("nsdump")
51
52/* Local prototypes */
53#ifdef ACPI_OBSOLETE_FUNCTIONS
54void acpi_ns_dump_root_devices(void);
55
56static acpi_status
57acpi_ns_dump_one_device(acpi_handle obj_handle,
58			u32 level, void *context, void **return_value);
59#endif
60
61#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
62
63#ifdef	ACPI_FUTURE_USAGE
64static acpi_status
65acpi_ns_dump_one_object_path(acpi_handle obj_handle,
66			     u32 level, void *context, void **return_value);
67
68static acpi_status
69acpi_ns_get_max_depth(acpi_handle obj_handle,
70		      u32 level, void *context, void **return_value);
71#endif				/* ACPI_FUTURE_USAGE */
72
73/*******************************************************************************
74 *
75 * FUNCTION:    acpi_ns_print_pathname
76 *
77 * PARAMETERS:  num_segments        - Number of ACPI name segments
78 *              pathname            - The compressed (internal) path
79 *
80 * RETURN:      None
81 *
82 * DESCRIPTION: Print an object's full namespace pathname
83 *
84 ******************************************************************************/
85
86void acpi_ns_print_pathname(u32 num_segments, char *pathname)
87{
88	u32 i;
89
90	ACPI_FUNCTION_NAME(ns_print_pathname);
91
92	/* Check if debug output enabled */
93
94	if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_NAMES, ACPI_NAMESPACE)) {
95		return;
96	}
97
98	/* Print the entire name */
99
100	ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "["));
101
102	while (num_segments) {
103		for (i = 0; i < 4; i++) {
104			ACPI_IS_PRINT(pathname[i]) ?
105			    acpi_os_printf("%c", pathname[i]) :
106			    acpi_os_printf("?");
107		}
108
109		pathname += ACPI_NAME_SIZE;
110		num_segments--;
111		if (num_segments) {
112			acpi_os_printf(".");
113		}
114	}
115
116	acpi_os_printf("]\n");
117}
118
119/*******************************************************************************
120 *
121 * FUNCTION:    acpi_ns_dump_pathname
122 *
123 * PARAMETERS:  handle              - Object
124 *              msg                 - Prefix message
125 *              level               - Desired debug level
126 *              component           - Caller's component ID
127 *
128 * RETURN:      None
129 *
130 * DESCRIPTION: Print an object's full namespace pathname
131 *              Manages allocation/freeing of a pathname buffer
132 *
133 ******************************************************************************/
134
135void
136acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component)
137{
138
139	ACPI_FUNCTION_TRACE(ns_dump_pathname);
140
141	/* Do this only if the requested debug level and component are enabled */
142
143	if (!ACPI_IS_DEBUG_ENABLED(level, component)) {
144		return_VOID;
145	}
146
147	/* Convert handle to a full pathname and print it (with supplied message) */
148
149	acpi_ns_print_node_pathname(handle, msg);
150	acpi_os_printf("\n");
151	return_VOID;
152}
153
154/*******************************************************************************
155 *
156 * FUNCTION:    acpi_ns_dump_one_object
157 *
158 * PARAMETERS:  obj_handle          - Node to be dumped
159 *              level               - Nesting level of the handle
160 *              context             - Passed into walk_namespace
161 *              return_value        - Not used
162 *
163 * RETURN:      Status
164 *
165 * DESCRIPTION: Dump a single Node
166 *              This procedure is a user_function called by acpi_ns_walk_namespace.
167 *
168 ******************************************************************************/
169
170acpi_status
171acpi_ns_dump_one_object(acpi_handle obj_handle,
172			u32 level, void *context, void **return_value)
173{
174	struct acpi_walk_info *info = (struct acpi_walk_info *)context;
175	struct acpi_namespace_node *this_node;
176	union acpi_operand_object *obj_desc = NULL;
177	acpi_object_type obj_type;
178	acpi_object_type type;
179	u32 bytes_to_dump;
180	u32 dbg_level;
181	u32 i;
182
183	ACPI_FUNCTION_NAME(ns_dump_one_object);
184
185	/* Is output enabled? */
186
187	if (!(acpi_dbg_level & info->debug_level)) {
188		return (AE_OK);
189	}
190
191	if (!obj_handle) {
192		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Null object handle\n"));
193		return (AE_OK);
194	}
195
196	this_node = acpi_ns_validate_handle(obj_handle);
197	if (!this_node) {
198		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Invalid object handle %p\n",
199				  obj_handle));
200		return (AE_OK);
201	}
202
203	type = this_node->type;
204
205	/* Check if the owner matches */
206
207	if ((info->owner_id != ACPI_OWNER_ID_MAX) &&
208	    (info->owner_id != this_node->owner_id)) {
209		return (AE_OK);
210	}
211
212	if (!(info->display_type & ACPI_DISPLAY_SHORT)) {
213
214		/* Indent the object according to the level */
215
216		acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " ");
217
218		/* Check the node type and name */
219
220		if (type > ACPI_TYPE_LOCAL_MAX) {
221			ACPI_WARNING((AE_INFO,
222				      "Invalid ACPI Object Type 0x%08X", type));
223		}
224
225		acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node));
226	}
227
228	/* Now we can print out the pertinent information */
229
230	acpi_os_printf(" %-12s %p %2.2X ",
231		       acpi_ut_get_type_name(type), this_node,
232		       this_node->owner_id);
233
234	dbg_level = acpi_dbg_level;
235	acpi_dbg_level = 0;
236	obj_desc = acpi_ns_get_attached_object(this_node);
237	acpi_dbg_level = dbg_level;
238
239	/* Temp nodes are those nodes created by a control method */
240
241	if (this_node->flags & ANOBJ_TEMPORARY) {
242		acpi_os_printf("(T) ");
243	}
244
245	switch (info->display_type & ACPI_DISPLAY_MASK) {
246	case ACPI_DISPLAY_SUMMARY:
247
248		if (!obj_desc) {
249
250			/* No attached object. Some types should always have an object */
251
252			switch (type) {
253			case ACPI_TYPE_INTEGER:
254			case ACPI_TYPE_PACKAGE:
255			case ACPI_TYPE_BUFFER:
256			case ACPI_TYPE_STRING:
257			case ACPI_TYPE_METHOD:
258
259				acpi_os_printf("<No attached object>");
260				break;
261
262			default:
263
264				break;
265			}
266
267			acpi_os_printf("\n");
268			return (AE_OK);
269		}
270
271		switch (type) {
272		case ACPI_TYPE_PROCESSOR:
273
274			acpi_os_printf("ID %02X Len %02X Addr %8.8X%8.8X\n",
275				       obj_desc->processor.proc_id,
276				       obj_desc->processor.length,
277				       ACPI_FORMAT_UINT64(obj_desc->processor.
278							  address));
279			break;
280
281		case ACPI_TYPE_DEVICE:
282
283			acpi_os_printf("Notify Object: %p\n", obj_desc);
284			break;
285
286		case ACPI_TYPE_METHOD:
287
288			acpi_os_printf("Args %X Len %.4X Aml %p\n",
289				       (u32) obj_desc->method.param_count,
290				       obj_desc->method.aml_length,
291				       obj_desc->method.aml_start);
292			break;
293
294		case ACPI_TYPE_INTEGER:
295
296			acpi_os_printf("= %8.8X%8.8X\n",
297				       ACPI_FORMAT_UINT64(obj_desc->integer.
298							  value));
299			break;
300
301		case ACPI_TYPE_PACKAGE:
302
303			if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
304				acpi_os_printf("Elements %.2X\n",
305					       obj_desc->package.count);
306			} else {
307				acpi_os_printf("[Length not yet evaluated]\n");
308			}
309			break;
310
311		case ACPI_TYPE_BUFFER:
312
313			if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
314				acpi_os_printf("Len %.2X",
315					       obj_desc->buffer.length);
316
317				/* Dump some of the buffer */
318
319				if (obj_desc->buffer.length > 0) {
320					acpi_os_printf(" =");
321					for (i = 0;
322					     (i < obj_desc->buffer.length
323					      && i < 12); i++) {
324						acpi_os_printf(" %.2hX",
325							       obj_desc->buffer.
326							       pointer[i]);
327					}
328				}
329				acpi_os_printf("\n");
330			} else {
331				acpi_os_printf("[Length not yet evaluated]\n");
332			}
333			break;
334
335		case ACPI_TYPE_STRING:
336
337			acpi_os_printf("Len %.2X ", obj_desc->string.length);
338			acpi_ut_print_string(obj_desc->string.pointer, 32);
339			acpi_os_printf("\n");
340			break;
341
342		case ACPI_TYPE_REGION:
343
344			acpi_os_printf("[%s]",
345				       acpi_ut_get_region_name(obj_desc->region.
346							       space_id));
347			if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
348				acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n",
349					       ACPI_FORMAT_UINT64(obj_desc->
350								  region.
351								  address),
352					       obj_desc->region.length);
353			} else {
354				acpi_os_printf
355				    (" [Address/Length not yet evaluated]\n");
356			}
357			break;
358
359		case ACPI_TYPE_LOCAL_REFERENCE:
360
361			acpi_os_printf("[%s]\n",
362				       acpi_ut_get_reference_name(obj_desc));
363			break;
364
365		case ACPI_TYPE_BUFFER_FIELD:
366
367			if (obj_desc->buffer_field.buffer_obj &&
368			    obj_desc->buffer_field.buffer_obj->buffer.node) {
369				acpi_os_printf("Buf [%4.4s]",
370					       acpi_ut_get_node_name(obj_desc->
371								     buffer_field.
372								     buffer_obj->
373								     buffer.
374								     node));
375			}
376			break;
377
378		case ACPI_TYPE_LOCAL_REGION_FIELD:
379
380			acpi_os_printf("Rgn [%4.4s]",
381				       acpi_ut_get_node_name(obj_desc->
382							     common_field.
383							     region_obj->region.
384							     node));
385			break;
386
387		case ACPI_TYPE_LOCAL_BANK_FIELD:
388
389			acpi_os_printf("Rgn [%4.4s] Bnk [%4.4s]",
390				       acpi_ut_get_node_name(obj_desc->
391							     common_field.
392							     region_obj->region.
393							     node),
394				       acpi_ut_get_node_name(obj_desc->
395							     bank_field.
396							     bank_obj->
397							     common_field.
398							     node));
399			break;
400
401		case ACPI_TYPE_LOCAL_INDEX_FIELD:
402
403			acpi_os_printf("Idx [%4.4s] Dat [%4.4s]",
404				       acpi_ut_get_node_name(obj_desc->
405							     index_field.
406							     index_obj->
407							     common_field.node),
408				       acpi_ut_get_node_name(obj_desc->
409							     index_field.
410							     data_obj->
411							     common_field.
412							     node));
413			break;
414
415		case ACPI_TYPE_LOCAL_ALIAS:
416		case ACPI_TYPE_LOCAL_METHOD_ALIAS:
417
418			acpi_os_printf("Target %4.4s (%p)\n",
419				       acpi_ut_get_node_name(obj_desc),
420				       obj_desc);
421			break;
422
423		default:
424
425			acpi_os_printf("Object %p\n", obj_desc);
426			break;
427		}
428
429		/* Common field handling */
430
431		switch (type) {
432		case ACPI_TYPE_BUFFER_FIELD:
433		case ACPI_TYPE_LOCAL_REGION_FIELD:
434		case ACPI_TYPE_LOCAL_BANK_FIELD:
435		case ACPI_TYPE_LOCAL_INDEX_FIELD:
436
437			acpi_os_printf(" Off %.3X Len %.2X Acc %.2hd\n",
438				       (obj_desc->common_field.
439					base_byte_offset * 8)
440				       +
441				       obj_desc->common_field.
442				       start_field_bit_offset,
443				       obj_desc->common_field.bit_length,
444				       obj_desc->common_field.
445				       access_byte_width);
446			break;
447
448		default:
449
450			break;
451		}
452		break;
453
454	case ACPI_DISPLAY_OBJECTS:
455
456		acpi_os_printf("O:%p", obj_desc);
457		if (!obj_desc) {
458
459			/* No attached object, we are done */
460
461			acpi_os_printf("\n");
462			return (AE_OK);
463		}
464
465		acpi_os_printf("(R%u)", obj_desc->common.reference_count);
466
467		switch (type) {
468		case ACPI_TYPE_METHOD:
469
470			/* Name is a Method and its AML offset/length are set */
471
472			acpi_os_printf(" M:%p-%X\n", obj_desc->method.aml_start,
473				       obj_desc->method.aml_length);
474			break;
475
476		case ACPI_TYPE_INTEGER:
477
478			acpi_os_printf(" I:%8.8X8.8%X\n",
479				       ACPI_FORMAT_UINT64(obj_desc->integer.
480							  value));
481			break;
482
483		case ACPI_TYPE_STRING:
484
485			acpi_os_printf(" S:%p-%X\n", obj_desc->string.pointer,
486				       obj_desc->string.length);
487			break;
488
489		case ACPI_TYPE_BUFFER:
490
491			acpi_os_printf(" B:%p-%X\n", obj_desc->buffer.pointer,
492				       obj_desc->buffer.length);
493			break;
494
495		default:
496
497			acpi_os_printf("\n");
498			break;
499		}
500		break;
501
502	default:
503		acpi_os_printf("\n");
504		break;
505	}
506
507	/* If debug turned off, done */
508
509	if (!(acpi_dbg_level & ACPI_LV_VALUES)) {
510		return (AE_OK);
511	}
512
513	/* If there is an attached object, display it */
514
515	dbg_level = acpi_dbg_level;
516	acpi_dbg_level = 0;
517	obj_desc = acpi_ns_get_attached_object(this_node);
518	acpi_dbg_level = dbg_level;
519
520	/* Dump attached objects */
521
522	while (obj_desc) {
523		obj_type = ACPI_TYPE_INVALID;
524		acpi_os_printf("Attached Object %p: ", obj_desc);
525
526		/* Decode the type of attached object and dump the contents */
527
528		switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
529		case ACPI_DESC_TYPE_NAMED:
530
531			acpi_os_printf("(Ptr to Node)\n");
532			bytes_to_dump = sizeof(struct acpi_namespace_node);
533			ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
534			break;
535
536		case ACPI_DESC_TYPE_OPERAND:
537
538			obj_type = obj_desc->common.type;
539
540			if (obj_type > ACPI_TYPE_LOCAL_MAX) {
541				acpi_os_printf
542				    ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
543				     obj_type);
544				bytes_to_dump = 32;
545			} else {
546				acpi_os_printf
547				    ("(Pointer to ACPI Object type %.2X [%s])\n",
548				     obj_type, acpi_ut_get_type_name(obj_type));
549				bytes_to_dump =
550				    sizeof(union acpi_operand_object);
551			}
552
553			ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
554			break;
555
556		default:
557
558			break;
559		}
560
561		/* If value is NOT an internal object, we are done */
562
563		if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) !=
564		    ACPI_DESC_TYPE_OPERAND) {
565			goto cleanup;
566		}
567
568		/* Valid object, get the pointer to next level, if any */
569
570		switch (obj_type) {
571		case ACPI_TYPE_BUFFER:
572		case ACPI_TYPE_STRING:
573			/*
574			 * NOTE: takes advantage of common fields between string/buffer
575			 */
576			bytes_to_dump = obj_desc->string.length;
577			obj_desc = (void *)obj_desc->string.pointer;
578			acpi_os_printf("(Buffer/String pointer %p length %X)\n",
579				       obj_desc, bytes_to_dump);
580			ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
581			goto cleanup;
582
583		case ACPI_TYPE_BUFFER_FIELD:
584
585			obj_desc =
586			    (union acpi_operand_object *)obj_desc->buffer_field.
587			    buffer_obj;
588			break;
589
590		case ACPI_TYPE_PACKAGE:
591
592			obj_desc = (void *)obj_desc->package.elements;
593			break;
594
595		case ACPI_TYPE_METHOD:
596
597			obj_desc = (void *)obj_desc->method.aml_start;
598			break;
599
600		case ACPI_TYPE_LOCAL_REGION_FIELD:
601
602			obj_desc = (void *)obj_desc->field.region_obj;
603			break;
604
605		case ACPI_TYPE_LOCAL_BANK_FIELD:
606
607			obj_desc = (void *)obj_desc->bank_field.region_obj;
608			break;
609
610		case ACPI_TYPE_LOCAL_INDEX_FIELD:
611
612			obj_desc = (void *)obj_desc->index_field.index_obj;
613			break;
614
615		default:
616
617			goto cleanup;
618		}
619
620		obj_type = ACPI_TYPE_INVALID;	/* Terminate loop after next pass */
621	}
622
623cleanup:
624	acpi_os_printf("\n");
625	return (AE_OK);
626}
627
628#ifdef ACPI_FUTURE_USAGE
629/*******************************************************************************
630 *
631 * FUNCTION:    acpi_ns_dump_objects
632 *
633 * PARAMETERS:  type                - Object type to be dumped
634 *              display_type        - 0 or ACPI_DISPLAY_SUMMARY
635 *              max_depth           - Maximum depth of dump. Use ACPI_UINT32_MAX
636 *                                    for an effectively unlimited depth.
637 *              owner_id            - Dump only objects owned by this ID. Use
638 *                                    ACPI_UINT32_MAX to match all owners.
639 *              start_handle        - Where in namespace to start/end search
640 *
641 * RETURN:      None
642 *
643 * DESCRIPTION: Dump typed objects within the loaded namespace. Uses
644 *              acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
645 *
646 ******************************************************************************/
647
648void
649acpi_ns_dump_objects(acpi_object_type type,
650		     u8 display_type,
651		     u32 max_depth,
652		     acpi_owner_id owner_id, acpi_handle start_handle)
653{
654	struct acpi_walk_info info;
655	acpi_status status;
656
657	ACPI_FUNCTION_ENTRY();
658
659	/*
660	 * Just lock the entire namespace for the duration of the dump.
661	 * We don't want any changes to the namespace during this time,
662	 * especially the temporary nodes since we are going to display
663	 * them also.
664	 */
665	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
666	if (ACPI_FAILURE(status)) {
667		acpi_os_printf("Could not acquire namespace mutex\n");
668		return;
669	}
670
671	info.debug_level = ACPI_LV_TABLES;
672	info.owner_id = owner_id;
673	info.display_type = display_type;
674
675	(void)acpi_ns_walk_namespace(type, start_handle, max_depth,
676				     ACPI_NS_WALK_NO_UNLOCK |
677				     ACPI_NS_WALK_TEMP_NODES,
678				     acpi_ns_dump_one_object, NULL,
679				     (void *)&info, NULL);
680
681	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
682}
683#endif				/* ACPI_FUTURE_USAGE */
684
685#ifdef	ACPI_FUTURE_USAGE
686/*******************************************************************************
687 *
688 * FUNCTION:    acpi_ns_dump_one_object_path, acpi_ns_get_max_depth
689 *
690 * PARAMETERS:  obj_handle          - Node to be dumped
691 *              level               - Nesting level of the handle
692 *              context             - Passed into walk_namespace
693 *              return_value        - Not used
694 *
695 * RETURN:      Status
696 *
697 * DESCRIPTION: Dump the full pathname to a namespace object. acp_ns_get_max_depth
698 *              computes the maximum nesting depth in the namespace tree, in
699 *              order to simplify formatting in acpi_ns_dump_one_object_path.
700 *              These procedures are user_functions called by acpi_ns_walk_namespace.
701 *
702 ******************************************************************************/
703
704static acpi_status
705acpi_ns_dump_one_object_path(acpi_handle obj_handle,
706			     u32 level, void *context, void **return_value)
707{
708	u32 max_level = *((u32 *)context);
709	char *pathname;
710	struct acpi_namespace_node *node;
711	int path_indent;
712
713	if (!obj_handle) {
714		return (AE_OK);
715	}
716
717	node = acpi_ns_validate_handle(obj_handle);
718	if (!node) {
719
720		/* Ignore bad node during namespace walk */
721
722		return (AE_OK);
723	}
724
725	pathname = acpi_ns_get_external_pathname(node);
726
727	path_indent = 1;
728	if (level <= max_level) {
729		path_indent = max_level - level + 1;
730	}
731
732	acpi_os_printf("%2d%*s%-12s%*s",
733		       level, level, " ", acpi_ut_get_type_name(node->type),
734		       path_indent, " ");
735
736	acpi_os_printf("%s\n", &pathname[1]);
737	ACPI_FREE(pathname);
738	return (AE_OK);
739}
740
741static acpi_status
742acpi_ns_get_max_depth(acpi_handle obj_handle,
743		      u32 level, void *context, void **return_value)
744{
745	u32 *max_level = (u32 *)context;
746
747	if (level > *max_level) {
748		*max_level = level;
749	}
750	return (AE_OK);
751}
752
753/*******************************************************************************
754 *
755 * FUNCTION:    acpi_ns_dump_object_paths
756 *
757 * PARAMETERS:  type                - Object type to be dumped
758 *              display_type        - 0 or ACPI_DISPLAY_SUMMARY
759 *              max_depth           - Maximum depth of dump. Use ACPI_UINT32_MAX
760 *                                    for an effectively unlimited depth.
761 *              owner_id            - Dump only objects owned by this ID. Use
762 *                                    ACPI_UINT32_MAX to match all owners.
763 *              start_handle        - Where in namespace to start/end search
764 *
765 * RETURN:      None
766 *
767 * DESCRIPTION: Dump full object pathnames within the loaded namespace. Uses
768 *              acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object_path.
769 *
770 ******************************************************************************/
771
772void
773acpi_ns_dump_object_paths(acpi_object_type type,
774			  u8 display_type,
775			  u32 max_depth,
776			  acpi_owner_id owner_id, acpi_handle start_handle)
777{
778	acpi_status status;
779	u32 max_level = 0;
780
781	ACPI_FUNCTION_ENTRY();
782
783	/*
784	 * Just lock the entire namespace for the duration of the dump.
785	 * We don't want any changes to the namespace during this time,
786	 * especially the temporary nodes since we are going to display
787	 * them also.
788	 */
789	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
790	if (ACPI_FAILURE(status)) {
791		acpi_os_printf("Could not acquire namespace mutex\n");
792		return;
793	}
794
795	/* Get the max depth of the namespace tree, for formatting later */
796
797	(void)acpi_ns_walk_namespace(type, start_handle, max_depth,
798				     ACPI_NS_WALK_NO_UNLOCK |
799				     ACPI_NS_WALK_TEMP_NODES,
800				     acpi_ns_get_max_depth, NULL,
801				     (void *)&max_level, NULL);
802
803	/* Now dump the entire namespace */
804
805	(void)acpi_ns_walk_namespace(type, start_handle, max_depth,
806				     ACPI_NS_WALK_NO_UNLOCK |
807				     ACPI_NS_WALK_TEMP_NODES,
808				     acpi_ns_dump_one_object_path, NULL,
809				     (void *)&max_level, NULL);
810
811	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
812}
813#endif				/* ACPI_FUTURE_USAGE */
814
815/*******************************************************************************
816 *
817 * FUNCTION:    acpi_ns_dump_entry
818 *
819 * PARAMETERS:  handle              - Node to be dumped
820 *              debug_level         - Output level
821 *
822 * RETURN:      None
823 *
824 * DESCRIPTION: Dump a single Node
825 *
826 ******************************************************************************/
827
828void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level)
829{
830	struct acpi_walk_info info;
831
832	ACPI_FUNCTION_ENTRY();
833
834	info.debug_level = debug_level;
835	info.owner_id = ACPI_OWNER_ID_MAX;
836	info.display_type = ACPI_DISPLAY_SUMMARY;
837
838	(void)acpi_ns_dump_one_object(handle, 1, &info, NULL);
839}
840
841#ifdef ACPI_ASL_COMPILER
842/*******************************************************************************
843 *
844 * FUNCTION:    acpi_ns_dump_tables
845 *
846 * PARAMETERS:  search_base         - Root of subtree to be dumped, or
847 *                                    NS_ALL to dump the entire namespace
848 *              max_depth           - Maximum depth of dump. Use INT_MAX
849 *                                    for an effectively unlimited depth.
850 *
851 * RETURN:      None
852 *
853 * DESCRIPTION: Dump the name space, or a portion of it.
854 *
855 ******************************************************************************/
856
857void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
858{
859	acpi_handle search_handle = search_base;
860
861	ACPI_FUNCTION_TRACE(ns_dump_tables);
862
863	if (!acpi_gbl_root_node) {
864		/*
865		 * If the name space has not been initialized,
866		 * there is nothing to dump.
867		 */
868		ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
869				  "namespace not initialized!\n"));
870		return_VOID;
871	}
872
873	if (ACPI_NS_ALL == search_base) {
874
875		/* Entire namespace */
876
877		search_handle = acpi_gbl_root_node;
878		ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "\\\n"));
879	}
880
881	acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth,
882			     ACPI_OWNER_ID_MAX, search_handle);
883	return_VOID;
884}
885#endif
886#endif
887