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1/******************************************************************************
2 *
3 * Module Name: nsdump - table dumping routines for debug
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2011, 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
48#define _COMPONENT ACPI_NAMESPACE
49ACPI_MODULE_NAME("nsdump")
50
51/* Local prototypes */
52#ifdef ACPI_OBSOLETE_FUNCTIONS
53void acpi_ns_dump_root_devices(void);
54
55static acpi_status
56acpi_ns_dump_one_device(acpi_handle obj_handle,
57 u32 level, void *context, void **return_value);
58#endif
59
60#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
61/*******************************************************************************
62 *
63 * FUNCTION: acpi_ns_print_pathname
64 *
65 * PARAMETERS: num_segments - Number of ACPI name segments
66 * Pathname - The compressed (internal) path
67 *
68 * RETURN: None
69 *
70 * DESCRIPTION: Print an object's full namespace pathname
71 *
72 ******************************************************************************/
73
74void acpi_ns_print_pathname(u32 num_segments, char *pathname)
75{
76 u32 i;
77
78 ACPI_FUNCTION_NAME(ns_print_pathname);
79
80 if (!(acpi_dbg_level & ACPI_LV_NAMES)
81 || !(acpi_dbg_layer & ACPI_NAMESPACE)) {
82 return;
83 }
84
85 /* Print the entire name */
86
87 ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "["));
88
89 while (num_segments) {
90 for (i = 0; i < 4; i++) {
91 ACPI_IS_PRINT(pathname[i]) ?
92 acpi_os_printf("%c", pathname[i]) :
93 acpi_os_printf("?");
94 }
95
96 pathname += ACPI_NAME_SIZE;
97 num_segments--;
98 if (num_segments) {
99 acpi_os_printf(".");
100 }
101 }
102
103 acpi_os_printf("]\n");
104}
105
106/*******************************************************************************
107 *
108 * FUNCTION: acpi_ns_dump_pathname
109 *
110 * PARAMETERS: Handle - Object
111 * Msg - Prefix message
112 * Level - Desired debug level
113 * Component - Caller's component ID
114 *
115 * RETURN: None
116 *
117 * DESCRIPTION: Print an object's full namespace pathname
118 * Manages allocation/freeing of a pathname buffer
119 *
120 ******************************************************************************/
121
122void
123acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component)
124{
125
126 ACPI_FUNCTION_TRACE(ns_dump_pathname);
127
128 /* Do this only if the requested debug level and component are enabled */
129
130 if (!(acpi_dbg_level & level) || !(acpi_dbg_layer & component)) {
131 return_VOID;
132 }
133
134 /* Convert handle to a full pathname and print it (with supplied message) */
135
136 acpi_ns_print_node_pathname(handle, msg);
137 acpi_os_printf("\n");
138 return_VOID;
139}
140
141/*******************************************************************************
142 *
143 * FUNCTION: acpi_ns_dump_one_object
144 *
145 * PARAMETERS: obj_handle - Node to be dumped
146 * Level - Nesting level of the handle
147 * Context - Passed into walk_namespace
148 * return_value - Not used
149 *
150 * RETURN: Status
151 *
152 * DESCRIPTION: Dump a single Node
153 * This procedure is a user_function called by acpi_ns_walk_namespace.
154 *
155 ******************************************************************************/
156
157acpi_status
158acpi_ns_dump_one_object(acpi_handle obj_handle,
159 u32 level, void *context, void **return_value)
160{
161 struct acpi_walk_info *info = (struct acpi_walk_info *)context;
162 struct acpi_namespace_node *this_node;
163 union acpi_operand_object *obj_desc = NULL;
164 acpi_object_type obj_type;
165 acpi_object_type type;
166 u32 bytes_to_dump;
167 u32 dbg_level;
168 u32 i;
169
170 ACPI_FUNCTION_NAME(ns_dump_one_object);
171
172 /* Is output enabled? */
173
174 if (!(acpi_dbg_level & info->debug_level)) {
175 return (AE_OK);
176 }
177
178 if (!obj_handle) {
179 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Null object handle\n"));
180 return (AE_OK);
181 }
182
183 this_node = acpi_ns_validate_handle(obj_handle);
184 if (!this_node) {
185 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Invalid object handle %p\n",
186 obj_handle));
187 return (AE_OK);
188 }
189
190 type = this_node->type;
191
192 /* Check if the owner matches */
193
194 if ((info->owner_id != ACPI_OWNER_ID_MAX) &&
195 (info->owner_id != this_node->owner_id)) {
196 return (AE_OK);
197 }
198
199 if (!(info->display_type & ACPI_DISPLAY_SHORT)) {
200
201 /* Indent the object according to the level */
202
203 acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " ");
204
205 /* Check the node type and name */
206
207 if (type > ACPI_TYPE_LOCAL_MAX) {
208 ACPI_WARNING((AE_INFO,
209 "Invalid ACPI Object Type 0x%08X", type));
210 }
211
212 if (!acpi_ut_valid_acpi_name(this_node->name.integer)) {
213 this_node->name.integer =
214 acpi_ut_repair_name(this_node->name.ascii);
215
216 ACPI_WARNING((AE_INFO, "Invalid ACPI Name %08X",
217 this_node->name.integer));
218 }
219
220 acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node));
221 }
222
223 /* Now we can print out the pertinent information */
224
225 acpi_os_printf(" %-12s %p %2.2X ",
226 acpi_ut_get_type_name(type), this_node,
227 this_node->owner_id);
228
229 dbg_level = acpi_dbg_level;
230 acpi_dbg_level = 0;
231 obj_desc = acpi_ns_get_attached_object(this_node);
232 acpi_dbg_level = dbg_level;
233
234 /* Temp nodes are those nodes created by a control method */
235
236 if (this_node->flags & ANOBJ_TEMPORARY) {
237 acpi_os_printf("(T) ");
238 }
239
240 switch (info->display_type & ACPI_DISPLAY_MASK) {
241 case ACPI_DISPLAY_SUMMARY:
242
243 if (!obj_desc) {
244
245 /* No attached object, we are done */
246
247 acpi_os_printf("\n");
248 return (AE_OK);
249 }
250
251 switch (type) {
252 case ACPI_TYPE_PROCESSOR:
253
254 acpi_os_printf("ID %X Len %.4X Addr %p\n",
255 obj_desc->processor.proc_id,
256 obj_desc->processor.length,
257 ACPI_CAST_PTR(void,
258 obj_desc->processor.
259 address));
260 break;
261
262 case ACPI_TYPE_DEVICE:
263
264 acpi_os_printf("Notify Object: %p\n", obj_desc);
265 break;
266
267 case ACPI_TYPE_METHOD:
268
269 acpi_os_printf("Args %X Len %.4X Aml %p\n",
270 (u32) obj_desc->method.param_count,
271 obj_desc->method.aml_length,
272 obj_desc->method.aml_start);
273 break;
274
275 case ACPI_TYPE_INTEGER:
276
277 acpi_os_printf("= %8.8X%8.8X\n",
278 ACPI_FORMAT_UINT64(obj_desc->integer.
279 value));
280 break;
281
282 case ACPI_TYPE_PACKAGE:
283
284 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
285 acpi_os_printf("Elements %.2X\n",
286 obj_desc->package.count);
287 } else {
288 acpi_os_printf("[Length not yet evaluated]\n");
289 }
290 break;
291
292 case ACPI_TYPE_BUFFER:
293
294 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
295 acpi_os_printf("Len %.2X",
296 obj_desc->buffer.length);
297
298 /* Dump some of the buffer */
299
300 if (obj_desc->buffer.length > 0) {
301 acpi_os_printf(" =");
302 for (i = 0;
303 (i < obj_desc->buffer.length
304 && i < 12); i++) {
305 acpi_os_printf(" %.2hX",
306 obj_desc->buffer.
307 pointer[i]);
308 }
309 }
310 acpi_os_printf("\n");
311 } else {
312 acpi_os_printf("[Length not yet evaluated]\n");
313 }
314 break;
315
316 case ACPI_TYPE_STRING:
317
318 acpi_os_printf("Len %.2X ", obj_desc->string.length);
319 acpi_ut_print_string(obj_desc->string.pointer, 32);
320 acpi_os_printf("\n");
321 break;
322
323 case ACPI_TYPE_REGION:
324
325 acpi_os_printf("[%s]",
326 acpi_ut_get_region_name(obj_desc->region.
327 space_id));
328 if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
329 acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n",
330 ACPI_FORMAT_NATIVE_UINT
331 (obj_desc->region.address),
332 obj_desc->region.length);
333 } else {
334 acpi_os_printf
335 (" [Address/Length not yet evaluated]\n");
336 }
337 break;
338
339 case ACPI_TYPE_LOCAL_REFERENCE:
340
341 acpi_os_printf("[%s]\n",
342 acpi_ut_get_reference_name(obj_desc));
343 break;
344
345 case ACPI_TYPE_BUFFER_FIELD:
346
347 if (obj_desc->buffer_field.buffer_obj &&
348 obj_desc->buffer_field.buffer_obj->buffer.node) {
349 acpi_os_printf("Buf [%4.4s]",
350 acpi_ut_get_node_name(obj_desc->
351 buffer_field.
352 buffer_obj->
353 buffer.
354 node));
355 }
356 break;
357
358 case ACPI_TYPE_LOCAL_REGION_FIELD:
359
360 acpi_os_printf("Rgn [%4.4s]",
361 acpi_ut_get_node_name(obj_desc->
362 common_field.
363 region_obj->region.
364 node));
365 break;
366
367 case ACPI_TYPE_LOCAL_BANK_FIELD:
368
369 acpi_os_printf("Rgn [%4.4s] Bnk [%4.4s]",
370 acpi_ut_get_node_name(obj_desc->
371 common_field.
372 region_obj->region.
373 node),
374 acpi_ut_get_node_name(obj_desc->
375 bank_field.
376 bank_obj->
377 common_field.
378 node));
379 break;
380
381 case ACPI_TYPE_LOCAL_INDEX_FIELD:
382
383 acpi_os_printf("Idx [%4.4s] Dat [%4.4s]",
384 acpi_ut_get_node_name(obj_desc->
385 index_field.
386 index_obj->
387 common_field.node),
388 acpi_ut_get_node_name(obj_desc->
389 index_field.
390 data_obj->
391 common_field.
392 node));
393 break;
394
395 case ACPI_TYPE_LOCAL_ALIAS:
396 case ACPI_TYPE_LOCAL_METHOD_ALIAS:
397
398 acpi_os_printf("Target %4.4s (%p)\n",
399 acpi_ut_get_node_name(obj_desc),
400 obj_desc);
401 break;
402
403 default:
404
405 acpi_os_printf("Object %p\n", obj_desc);
406 break;
407 }
408
409 /* Common field handling */
410
411 switch (type) {
412 case ACPI_TYPE_BUFFER_FIELD:
413 case ACPI_TYPE_LOCAL_REGION_FIELD:
414 case ACPI_TYPE_LOCAL_BANK_FIELD:
415 case ACPI_TYPE_LOCAL_INDEX_FIELD:
416
417 acpi_os_printf(" Off %.3X Len %.2X Acc %.2hd\n",
418 (obj_desc->common_field.
419 base_byte_offset * 8)
420 +
421 obj_desc->common_field.
422 start_field_bit_offset,
423 obj_desc->common_field.bit_length,
424 obj_desc->common_field.
425 access_byte_width);
426 break;
427
428 default:
429 break;
430 }
431 break;
432
433 case ACPI_DISPLAY_OBJECTS:
434
435 acpi_os_printf("O:%p", obj_desc);
436 if (!obj_desc) {
437
438 /* No attached object, we are done */
439
440 acpi_os_printf("\n");
441 return (AE_OK);
442 }
443
444 acpi_os_printf("(R%u)", obj_desc->common.reference_count);
445
446 switch (type) {
447 case ACPI_TYPE_METHOD:
448
449 /* Name is a Method and its AML offset/length are set */
450
451 acpi_os_printf(" M:%p-%X\n", obj_desc->method.aml_start,
452 obj_desc->method.aml_length);
453 break;
454
455 case ACPI_TYPE_INTEGER:
456
457 acpi_os_printf(" I:%8.8X8.8%X\n",
458 ACPI_FORMAT_UINT64(obj_desc->integer.
459 value));
460 break;
461
462 case ACPI_TYPE_STRING:
463
464 acpi_os_printf(" S:%p-%X\n", obj_desc->string.pointer,
465 obj_desc->string.length);
466 break;
467
468 case ACPI_TYPE_BUFFER:
469
470 acpi_os_printf(" B:%p-%X\n", obj_desc->buffer.pointer,
471 obj_desc->buffer.length);
472 break;
473
474 default:
475
476 acpi_os_printf("\n");
477 break;
478 }
479 break;
480
481 default:
482 acpi_os_printf("\n");
483 break;
484 }
485
486 /* If debug turned off, done */
487
488 if (!(acpi_dbg_level & ACPI_LV_VALUES)) {
489 return (AE_OK);
490 }
491
492 /* If there is an attached object, display it */
493
494 dbg_level = acpi_dbg_level;
495 acpi_dbg_level = 0;
496 obj_desc = acpi_ns_get_attached_object(this_node);
497 acpi_dbg_level = dbg_level;
498
499 /* Dump attached objects */
500
501 while (obj_desc) {
502 obj_type = ACPI_TYPE_INVALID;
503 acpi_os_printf("Attached Object %p: ", obj_desc);
504
505 /* Decode the type of attached object and dump the contents */
506
507 switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
508 case ACPI_DESC_TYPE_NAMED:
509
510 acpi_os_printf("(Ptr to Node)\n");
511 bytes_to_dump = sizeof(struct acpi_namespace_node);
512 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
513 break;
514
515 case ACPI_DESC_TYPE_OPERAND:
516
517 obj_type = obj_desc->common.type;
518
519 if (obj_type > ACPI_TYPE_LOCAL_MAX) {
520 acpi_os_printf
521 ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
522 obj_type);
523 bytes_to_dump = 32;
524 } else {
525 acpi_os_printf
526 ("(Pointer to ACPI Object type %.2X [%s])\n",
527 obj_type, acpi_ut_get_type_name(obj_type));
528 bytes_to_dump =
529 sizeof(union acpi_operand_object);
530 }
531
532 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
533 break;
534
535 default:
536
537 break;
538 }
539
540 /* If value is NOT an internal object, we are done */
541
542 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) !=
543 ACPI_DESC_TYPE_OPERAND) {
544 goto cleanup;
545 }
546
547 /* Valid object, get the pointer to next level, if any */
548
549 switch (obj_type) {
550 case ACPI_TYPE_BUFFER:
551 case ACPI_TYPE_STRING:
552 /*
553 * NOTE: takes advantage of common fields between string/buffer
554 */
555 bytes_to_dump = obj_desc->string.length;
556 obj_desc = (void *)obj_desc->string.pointer;
557 acpi_os_printf("(Buffer/String pointer %p length %X)\n",
558 obj_desc, bytes_to_dump);
559 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
560 goto cleanup;
561
562 case ACPI_TYPE_BUFFER_FIELD:
563 obj_desc =
564 (union acpi_operand_object *)obj_desc->buffer_field.
565 buffer_obj;
566 break;
567
568 case ACPI_TYPE_PACKAGE:
569 obj_desc = (void *)obj_desc->package.elements;
570 break;
571
572 case ACPI_TYPE_METHOD:
573 obj_desc = (void *)obj_desc->method.aml_start;
574 break;
575
576 case ACPI_TYPE_LOCAL_REGION_FIELD:
577 obj_desc = (void *)obj_desc->field.region_obj;
578 break;
579
580 case ACPI_TYPE_LOCAL_BANK_FIELD:
581 obj_desc = (void *)obj_desc->bank_field.region_obj;
582 break;
583
584 case ACPI_TYPE_LOCAL_INDEX_FIELD:
585 obj_desc = (void *)obj_desc->index_field.index_obj;
586 break;
587
588 default:
589 goto cleanup;
590 }
591
592 obj_type = ACPI_TYPE_INVALID; /* Terminate loop after next pass */
593 }
594
595 cleanup:
596 acpi_os_printf("\n");
597 return (AE_OK);
598}
599
600#ifdef ACPI_FUTURE_USAGE
601/*******************************************************************************
602 *
603 * FUNCTION: acpi_ns_dump_objects
604 *
605 * PARAMETERS: Type - Object type to be dumped
606 * display_type - 0 or ACPI_DISPLAY_SUMMARY
607 * max_depth - Maximum depth of dump. Use ACPI_UINT32_MAX
608 * for an effectively unlimited depth.
609 * owner_id - Dump only objects owned by this ID. Use
610 * ACPI_UINT32_MAX to match all owners.
611 * start_handle - Where in namespace to start/end search
612 *
613 * RETURN: None
614 *
615 * DESCRIPTION: Dump typed objects within the loaded namespace. Uses
616 * acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
617 *
618 ******************************************************************************/
619
620void
621acpi_ns_dump_objects(acpi_object_type type,
622 u8 display_type,
623 u32 max_depth,
624 acpi_owner_id owner_id, acpi_handle start_handle)
625{
626 struct acpi_walk_info info;
627 acpi_status status;
628
629 ACPI_FUNCTION_ENTRY();
630
631 /*
632 * Just lock the entire namespace for the duration of the dump.
633 * We don't want any changes to the namespace during this time,
634 * especially the temporary nodes since we are going to display
635 * them also.
636 */
637 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
638 if (ACPI_FAILURE(status)) {
639 acpi_os_printf("Could not acquire namespace mutex\n");
640 return;
641 }
642
643 info.debug_level = ACPI_LV_TABLES;
644 info.owner_id = owner_id;
645 info.display_type = display_type;
646
647 (void)acpi_ns_walk_namespace(type, start_handle, max_depth,
648 ACPI_NS_WALK_NO_UNLOCK |
649 ACPI_NS_WALK_TEMP_NODES,
650 acpi_ns_dump_one_object, NULL,
651 (void *)&info, NULL);
652
653 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
654}
655#endif /* ACPI_FUTURE_USAGE */
656
657/*******************************************************************************
658 *
659 * FUNCTION: acpi_ns_dump_entry
660 *
661 * PARAMETERS: Handle - Node to be dumped
662 * debug_level - Output level
663 *
664 * RETURN: None
665 *
666 * DESCRIPTION: Dump a single Node
667 *
668 ******************************************************************************/
669
670void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level)
671{
672 struct acpi_walk_info info;
673
674 ACPI_FUNCTION_ENTRY();
675
676 info.debug_level = debug_level;
677 info.owner_id = ACPI_OWNER_ID_MAX;
678 info.display_type = ACPI_DISPLAY_SUMMARY;
679
680 (void)acpi_ns_dump_one_object(handle, 1, &info, NULL);
681}
682
683#ifdef ACPI_ASL_COMPILER
684/*******************************************************************************
685 *
686 * FUNCTION: acpi_ns_dump_tables
687 *
688 * PARAMETERS: search_base - Root of subtree to be dumped, or
689 * NS_ALL to dump the entire namespace
690 * max_depth - Maximum depth of dump. Use INT_MAX
691 * for an effectively unlimited depth.
692 *
693 * RETURN: None
694 *
695 * DESCRIPTION: Dump the name space, or a portion of it.
696 *
697 ******************************************************************************/
698
699void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
700{
701 acpi_handle search_handle = search_base;
702
703 ACPI_FUNCTION_TRACE(ns_dump_tables);
704
705 if (!acpi_gbl_root_node) {
706 /*
707 * If the name space has not been initialized,
708 * there is nothing to dump.
709 */
710 ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
711 "namespace not initialized!\n"));
712 return_VOID;
713 }
714
715 if (ACPI_NS_ALL == search_base) {
716
717 /* Entire namespace */
718
719 search_handle = acpi_gbl_root_node;
720 ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "\\\n"));
721 }
722
723 acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth,
724 ACPI_OWNER_ID_MAX, search_handle);
725 return_VOID;
726}
727#endif /* _ACPI_ASL_COMPILER */
728#endif /* defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) */
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 - 2018, 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_NAME_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
174 /* Check if the owner matches */
175
176 if ((info->owner_id != ACPI_OWNER_ID_MAX) &&
177 (info->owner_id != this_node->owner_id)) {
178 return (AE_OK);
179 }
180
181 if (!(info->display_type & ACPI_DISPLAY_SHORT)) {
182
183 /* Indent the object according to the level */
184
185 acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " ");
186
187 /* Check the node type and name */
188
189 if (type > ACPI_TYPE_LOCAL_MAX) {
190 ACPI_WARNING((AE_INFO,
191 "Invalid ACPI Object Type 0x%08X", type));
192 }
193
194 acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node));
195 }
196
197 /* Now we can print out the pertinent information */
198
199 acpi_os_printf(" %-12s %p %2.2X ",
200 acpi_ut_get_type_name(type), this_node,
201 this_node->owner_id);
202
203 dbg_level = acpi_dbg_level;
204 acpi_dbg_level = 0;
205 obj_desc = acpi_ns_get_attached_object(this_node);
206 acpi_dbg_level = dbg_level;
207
208 /* Temp nodes are those nodes created by a control method */
209
210 if (this_node->flags & ANOBJ_TEMPORARY) {
211 acpi_os_printf("(T) ");
212 }
213
214 switch (info->display_type & ACPI_DISPLAY_MASK) {
215 case ACPI_DISPLAY_SUMMARY:
216
217 if (!obj_desc) {
218
219 /* No attached object. Some types should always have an object */
220
221 switch (type) {
222 case ACPI_TYPE_INTEGER:
223 case ACPI_TYPE_PACKAGE:
224 case ACPI_TYPE_BUFFER:
225 case ACPI_TYPE_STRING:
226 case ACPI_TYPE_METHOD:
227
228 acpi_os_printf("<No attached object>");
229 break;
230
231 default:
232
233 break;
234 }
235
236 acpi_os_printf("\n");
237 return (AE_OK);
238 }
239
240 switch (type) {
241 case ACPI_TYPE_PROCESSOR:
242
243 acpi_os_printf("ID %02X Len %02X Addr %8.8X%8.8X\n",
244 obj_desc->processor.proc_id,
245 obj_desc->processor.length,
246 ACPI_FORMAT_UINT64(obj_desc->processor.
247 address));
248 break;
249
250 case ACPI_TYPE_DEVICE:
251
252 acpi_os_printf("Notify Object: %p\n", obj_desc);
253 break;
254
255 case ACPI_TYPE_METHOD:
256
257 acpi_os_printf("Args %X Len %.4X Aml %p\n",
258 (u32) obj_desc->method.param_count,
259 obj_desc->method.aml_length,
260 obj_desc->method.aml_start);
261 break;
262
263 case ACPI_TYPE_INTEGER:
264
265 acpi_os_printf("= %8.8X%8.8X\n",
266 ACPI_FORMAT_UINT64(obj_desc->integer.
267 value));
268 break;
269
270 case ACPI_TYPE_PACKAGE:
271
272 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
273 acpi_os_printf("Elements %.2X\n",
274 obj_desc->package.count);
275 } else {
276 acpi_os_printf("[Length not yet evaluated]\n");
277 }
278 break;
279
280 case ACPI_TYPE_BUFFER:
281
282 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
283 acpi_os_printf("Len %.2X",
284 obj_desc->buffer.length);
285
286 /* Dump some of the buffer */
287
288 if (obj_desc->buffer.length > 0) {
289 acpi_os_printf(" =");
290 for (i = 0;
291 (i < obj_desc->buffer.length
292 && i < 12); i++) {
293 acpi_os_printf(" %.2hX",
294 obj_desc->buffer.
295 pointer[i]);
296 }
297 }
298 acpi_os_printf("\n");
299 } else {
300 acpi_os_printf("[Length not yet evaluated]\n");
301 }
302 break;
303
304 case ACPI_TYPE_STRING:
305
306 acpi_os_printf("Len %.2X ", obj_desc->string.length);
307 acpi_ut_print_string(obj_desc->string.pointer, 80);
308 acpi_os_printf("\n");
309 break;
310
311 case ACPI_TYPE_REGION:
312
313 acpi_os_printf("[%s]",
314 acpi_ut_get_region_name(obj_desc->region.
315 space_id));
316 if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
317 acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n",
318 ACPI_FORMAT_UINT64(obj_desc->
319 region.
320 address),
321 obj_desc->region.length);
322 } else {
323 acpi_os_printf
324 (" [Address/Length not yet evaluated]\n");
325 }
326 break;
327
328 case ACPI_TYPE_LOCAL_REFERENCE:
329
330 acpi_os_printf("[%s]\n",
331 acpi_ut_get_reference_name(obj_desc));
332 break;
333
334 case ACPI_TYPE_BUFFER_FIELD:
335
336 if (obj_desc->buffer_field.buffer_obj &&
337 obj_desc->buffer_field.buffer_obj->buffer.node) {
338 acpi_os_printf("Buf [%4.4s]",
339 acpi_ut_get_node_name(obj_desc->
340 buffer_field.
341 buffer_obj->
342 buffer.
343 node));
344 }
345 break;
346
347 case ACPI_TYPE_LOCAL_REGION_FIELD:
348
349 acpi_os_printf("Rgn [%4.4s]",
350 acpi_ut_get_node_name(obj_desc->
351 common_field.
352 region_obj->region.
353 node));
354 break;
355
356 case ACPI_TYPE_LOCAL_BANK_FIELD:
357
358 acpi_os_printf("Rgn [%4.4s] Bnk [%4.4s]",
359 acpi_ut_get_node_name(obj_desc->
360 common_field.
361 region_obj->region.
362 node),
363 acpi_ut_get_node_name(obj_desc->
364 bank_field.
365 bank_obj->
366 common_field.
367 node));
368 break;
369
370 case ACPI_TYPE_LOCAL_INDEX_FIELD:
371
372 acpi_os_printf("Idx [%4.4s] Dat [%4.4s]",
373 acpi_ut_get_node_name(obj_desc->
374 index_field.
375 index_obj->
376 common_field.node),
377 acpi_ut_get_node_name(obj_desc->
378 index_field.
379 data_obj->
380 common_field.
381 node));
382 break;
383
384 case ACPI_TYPE_LOCAL_ALIAS:
385 case ACPI_TYPE_LOCAL_METHOD_ALIAS:
386
387 acpi_os_printf("Target %4.4s (%p)\n",
388 acpi_ut_get_node_name(obj_desc),
389 obj_desc);
390 break;
391
392 default:
393
394 acpi_os_printf("Object %p\n", obj_desc);
395 break;
396 }
397
398 /* Common field handling */
399
400 switch (type) {
401 case ACPI_TYPE_BUFFER_FIELD:
402 case ACPI_TYPE_LOCAL_REGION_FIELD:
403 case ACPI_TYPE_LOCAL_BANK_FIELD:
404 case ACPI_TYPE_LOCAL_INDEX_FIELD:
405
406 acpi_os_printf(" Off %.3X Len %.2X Acc %.2hd\n",
407 (obj_desc->common_field.
408 base_byte_offset * 8)
409 +
410 obj_desc->common_field.
411 start_field_bit_offset,
412 obj_desc->common_field.bit_length,
413 obj_desc->common_field.
414 access_byte_width);
415 break;
416
417 default:
418
419 break;
420 }
421 break;
422
423 case ACPI_DISPLAY_OBJECTS:
424
425 acpi_os_printf("O:%p", obj_desc);
426 if (!obj_desc) {
427
428 /* No attached object, we are done */
429
430 acpi_os_printf("\n");
431 return (AE_OK);
432 }
433
434 acpi_os_printf("(R%u)", obj_desc->common.reference_count);
435
436 switch (type) {
437 case ACPI_TYPE_METHOD:
438
439 /* Name is a Method and its AML offset/length are set */
440
441 acpi_os_printf(" M:%p-%X\n", obj_desc->method.aml_start,
442 obj_desc->method.aml_length);
443 break;
444
445 case ACPI_TYPE_INTEGER:
446
447 acpi_os_printf(" I:%8.8X8.8%X\n",
448 ACPI_FORMAT_UINT64(obj_desc->integer.
449 value));
450 break;
451
452 case ACPI_TYPE_STRING:
453
454 acpi_os_printf(" S:%p-%X\n", obj_desc->string.pointer,
455 obj_desc->string.length);
456 break;
457
458 case ACPI_TYPE_BUFFER:
459
460 acpi_os_printf(" B:%p-%X\n", obj_desc->buffer.pointer,
461 obj_desc->buffer.length);
462 break;
463
464 default:
465
466 acpi_os_printf("\n");
467 break;
468 }
469 break;
470
471 default:
472 acpi_os_printf("\n");
473 break;
474 }
475
476 /* If debug turned off, done */
477
478 if (!(acpi_dbg_level & ACPI_LV_VALUES)) {
479 return (AE_OK);
480 }
481
482 /* If there is an attached object, display it */
483
484 dbg_level = acpi_dbg_level;
485 acpi_dbg_level = 0;
486 obj_desc = acpi_ns_get_attached_object(this_node);
487 acpi_dbg_level = dbg_level;
488
489 /* Dump attached objects */
490
491 while (obj_desc) {
492 obj_type = ACPI_TYPE_INVALID;
493 acpi_os_printf("Attached Object %p: ", obj_desc);
494
495 /* Decode the type of attached object and dump the contents */
496
497 switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
498 case ACPI_DESC_TYPE_NAMED:
499
500 acpi_os_printf("(Ptr to Node)\n");
501 bytes_to_dump = sizeof(struct acpi_namespace_node);
502 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
503 break;
504
505 case ACPI_DESC_TYPE_OPERAND:
506
507 obj_type = obj_desc->common.type;
508
509 if (obj_type > ACPI_TYPE_LOCAL_MAX) {
510 acpi_os_printf
511 ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
512 obj_type);
513
514 bytes_to_dump = 32;
515 } else {
516 acpi_os_printf
517 ("(Pointer to ACPI Object type %.2X [%s])\n",
518 obj_type, acpi_ut_get_type_name(obj_type));
519
520 bytes_to_dump =
521 sizeof(union acpi_operand_object);
522 }
523
524 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
525 break;
526
527 default:
528
529 break;
530 }
531
532 /* If value is NOT an internal object, we are done */
533
534 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) !=
535 ACPI_DESC_TYPE_OPERAND) {
536 goto cleanup;
537 }
538
539 /* Valid object, get the pointer to next level, if any */
540
541 switch (obj_type) {
542 case ACPI_TYPE_BUFFER:
543 case ACPI_TYPE_STRING:
544 /*
545 * NOTE: takes advantage of common fields between string/buffer
546 */
547 bytes_to_dump = obj_desc->string.length;
548 obj_desc = (void *)obj_desc->string.pointer;
549
550 acpi_os_printf("(Buffer/String pointer %p length %X)\n",
551 obj_desc, bytes_to_dump);
552 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
553 goto cleanup;
554
555 case ACPI_TYPE_BUFFER_FIELD:
556
557 obj_desc =
558 (union acpi_operand_object *)obj_desc->buffer_field.
559 buffer_obj;
560 break;
561
562 case ACPI_TYPE_PACKAGE:
563
564 obj_desc = (void *)obj_desc->package.elements;
565 break;
566
567 case ACPI_TYPE_METHOD:
568
569 obj_desc = (void *)obj_desc->method.aml_start;
570 break;
571
572 case ACPI_TYPE_LOCAL_REGION_FIELD:
573
574 obj_desc = (void *)obj_desc->field.region_obj;
575 break;
576
577 case ACPI_TYPE_LOCAL_BANK_FIELD:
578
579 obj_desc = (void *)obj_desc->bank_field.region_obj;
580 break;
581
582 case ACPI_TYPE_LOCAL_INDEX_FIELD:
583
584 obj_desc = (void *)obj_desc->index_field.index_obj;
585 break;
586
587 default:
588
589 goto cleanup;
590 }
591
592 obj_type = ACPI_TYPE_INVALID; /* Terminate loop after next pass */
593 }
594
595cleanup:
596 acpi_os_printf("\n");
597 return (AE_OK);
598}
599
600/*******************************************************************************
601 *
602 * FUNCTION: acpi_ns_dump_objects
603 *
604 * PARAMETERS: type - Object type to be dumped
605 * display_type - 0 or ACPI_DISPLAY_SUMMARY
606 * max_depth - Maximum depth of dump. Use ACPI_UINT32_MAX
607 * for an effectively unlimited depth.
608 * owner_id - Dump only objects owned by this ID. Use
609 * ACPI_UINT32_MAX to match all owners.
610 * start_handle - Where in namespace to start/end search
611 *
612 * RETURN: None
613 *
614 * DESCRIPTION: Dump typed objects within the loaded namespace. Uses
615 * acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
616 *
617 ******************************************************************************/
618
619void
620acpi_ns_dump_objects(acpi_object_type type,
621 u8 display_type,
622 u32 max_depth,
623 acpi_owner_id owner_id, acpi_handle start_handle)
624{
625 struct acpi_walk_info info;
626 acpi_status status;
627
628 ACPI_FUNCTION_ENTRY();
629
630 /*
631 * Just lock the entire namespace for the duration of the dump.
632 * We don't want any changes to the namespace during this time,
633 * especially the temporary nodes since we are going to display
634 * them also.
635 */
636 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
637 if (ACPI_FAILURE(status)) {
638 acpi_os_printf("Could not acquire namespace mutex\n");
639 return;
640 }
641
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 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
653}
654
655/*******************************************************************************
656 *
657 * FUNCTION: acpi_ns_dump_one_object_path, acpi_ns_get_max_depth
658 *
659 * PARAMETERS: obj_handle - Node to be dumped
660 * level - Nesting level of the handle
661 * context - Passed into walk_namespace
662 * return_value - Not used
663 *
664 * RETURN: Status
665 *
666 * DESCRIPTION: Dump the full pathname to a namespace object. acp_ns_get_max_depth
667 * computes the maximum nesting depth in the namespace tree, in
668 * order to simplify formatting in acpi_ns_dump_one_object_path.
669 * These procedures are user_functions called by acpi_ns_walk_namespace.
670 *
671 ******************************************************************************/
672
673static acpi_status
674acpi_ns_dump_one_object_path(acpi_handle obj_handle,
675 u32 level, void *context, void **return_value)
676{
677 u32 max_level = *((u32 *)context);
678 char *pathname;
679 struct acpi_namespace_node *node;
680 int path_indent;
681
682 if (!obj_handle) {
683 return (AE_OK);
684 }
685
686 node = acpi_ns_validate_handle(obj_handle);
687 if (!node) {
688
689 /* Ignore bad node during namespace walk */
690
691 return (AE_OK);
692 }
693
694 pathname = acpi_ns_get_normalized_pathname(node, TRUE);
695
696 path_indent = 1;
697 if (level <= max_level) {
698 path_indent = max_level - level + 1;
699 }
700
701 acpi_os_printf("%2d%*s%-12s%*s",
702 level, level, " ", acpi_ut_get_type_name(node->type),
703 path_indent, " ");
704
705 acpi_os_printf("%s\n", &pathname[1]);
706 ACPI_FREE(pathname);
707 return (AE_OK);
708}
709
710static acpi_status
711acpi_ns_get_max_depth(acpi_handle obj_handle,
712 u32 level, void *context, void **return_value)
713{
714 u32 *max_level = (u32 *)context;
715
716 if (level > *max_level) {
717 *max_level = level;
718 }
719 return (AE_OK);
720}
721
722/*******************************************************************************
723 *
724 * FUNCTION: acpi_ns_dump_object_paths
725 *
726 * PARAMETERS: type - Object type to be dumped
727 * display_type - 0 or ACPI_DISPLAY_SUMMARY
728 * max_depth - Maximum depth of dump. Use ACPI_UINT32_MAX
729 * for an effectively unlimited depth.
730 * owner_id - Dump only objects owned by this ID. Use
731 * ACPI_UINT32_MAX to match all owners.
732 * start_handle - Where in namespace to start/end search
733 *
734 * RETURN: None
735 *
736 * DESCRIPTION: Dump full object pathnames within the loaded namespace. Uses
737 * acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object_path.
738 *
739 ******************************************************************************/
740
741void
742acpi_ns_dump_object_paths(acpi_object_type type,
743 u8 display_type,
744 u32 max_depth,
745 acpi_owner_id owner_id, acpi_handle start_handle)
746{
747 acpi_status status;
748 u32 max_level = 0;
749
750 ACPI_FUNCTION_ENTRY();
751
752 /*
753 * Just lock the entire namespace for the duration of the dump.
754 * We don't want any changes to the namespace during this time,
755 * especially the temporary nodes since we are going to display
756 * them also.
757 */
758 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
759 if (ACPI_FAILURE(status)) {
760 acpi_os_printf("Could not acquire namespace mutex\n");
761 return;
762 }
763
764 /* Get the max depth of the namespace tree, for formatting later */
765
766 (void)acpi_ns_walk_namespace(type, start_handle, max_depth,
767 ACPI_NS_WALK_NO_UNLOCK |
768 ACPI_NS_WALK_TEMP_NODES,
769 acpi_ns_get_max_depth, NULL,
770 (void *)&max_level, NULL);
771
772 /* Now dump the entire namespace */
773
774 (void)acpi_ns_walk_namespace(type, start_handle, max_depth,
775 ACPI_NS_WALK_NO_UNLOCK |
776 ACPI_NS_WALK_TEMP_NODES,
777 acpi_ns_dump_one_object_path, NULL,
778 (void *)&max_level, NULL);
779
780 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
781}
782
783/*******************************************************************************
784 *
785 * FUNCTION: acpi_ns_dump_entry
786 *
787 * PARAMETERS: handle - Node to be dumped
788 * debug_level - Output level
789 *
790 * RETURN: None
791 *
792 * DESCRIPTION: Dump a single Node
793 *
794 ******************************************************************************/
795
796void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level)
797{
798 struct acpi_walk_info info;
799
800 ACPI_FUNCTION_ENTRY();
801
802 info.debug_level = debug_level;
803 info.owner_id = ACPI_OWNER_ID_MAX;
804 info.display_type = ACPI_DISPLAY_SUMMARY;
805
806 (void)acpi_ns_dump_one_object(handle, 1, &info, NULL);
807}
808
809#ifdef ACPI_ASL_COMPILER
810/*******************************************************************************
811 *
812 * FUNCTION: acpi_ns_dump_tables
813 *
814 * PARAMETERS: search_base - Root of subtree to be dumped, or
815 * NS_ALL to dump the entire namespace
816 * max_depth - Maximum depth of dump. Use INT_MAX
817 * for an effectively unlimited depth.
818 *
819 * RETURN: None
820 *
821 * DESCRIPTION: Dump the name space, or a portion of it.
822 *
823 ******************************************************************************/
824
825void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
826{
827 acpi_handle search_handle = search_base;
828
829 ACPI_FUNCTION_TRACE(ns_dump_tables);
830
831 if (!acpi_gbl_root_node) {
832 /*
833 * If the name space has not been initialized,
834 * there is nothing to dump.
835 */
836 ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
837 "namespace not initialized!\n"));
838 return_VOID;
839 }
840
841 if (ACPI_NS_ALL == search_base) {
842
843 /* Entire namespace */
844
845 search_handle = acpi_gbl_root_node;
846 ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "\\\n"));
847 }
848
849 acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth,
850 ACPI_OWNER_ID_MAX, search_handle);
851 return_VOID;
852}
853#endif
854#endif