1 /******************************************************************************
2 *
3 * Module Name: nsdump - table dumping routines for debug
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2014, 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
50 ACPI_MODULE_NAME("nsdump")
51
52 /* Local prototypes */
53 #ifdef ACPI_OBSOLETE_FUNCTIONS
54 void acpi_ns_dump_root_devices(void);
55
56 static acpi_status
57 acpi_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
64 static acpi_status
65 acpi_ns_dump_one_object_path(acpi_handle obj_handle,
66 u32 level, void *context, void **return_value);
67
68 static acpi_status
69 acpi_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
acpi_ns_print_pathname(u32 num_segments,char * pathname)86 void 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
135 void
acpi_ns_dump_pathname(acpi_handle handle,char * msg,u32 level,u32 component)136 acpi_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
170 acpi_status
acpi_ns_dump_one_object(acpi_handle obj_handle,u32 level,void * context,void ** return_value)171 acpi_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
623 cleanup:
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
648 void
acpi_ns_dump_objects(acpi_object_type type,u8 display_type,u32 max_depth,acpi_owner_id owner_id,acpi_handle start_handle)649 acpi_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
704 static acpi_status
acpi_ns_dump_one_object_path(acpi_handle obj_handle,u32 level,void * context,void ** return_value)705 acpi_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
741 static acpi_status
acpi_ns_get_max_depth(acpi_handle obj_handle,u32 level,void * context,void ** return_value)742 acpi_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
772 void
acpi_ns_dump_object_paths(acpi_object_type type,u8 display_type,u32 max_depth,acpi_owner_id owner_id,acpi_handle start_handle)773 acpi_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
acpi_ns_dump_entry(acpi_handle handle,u32 debug_level)828 void 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
acpi_ns_dump_tables(acpi_handle search_base,u32 max_depth)857 void 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