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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / acpi / acpica / nsdump.c
blob994f0b556c6043378caf72724ad634276bf7e859
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 - 2020, 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
16 ACPI_MODULE_NAME("nsdump")
17
18 /* Local prototypes */
19 #ifdef ACPI_OBSOLETE_FUNCTIONS
20 void acpi_ns_dump_root_devices(void);
21
22 static acpi_status
23 acpi_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
29 static acpi_status
30 acpi_ns_dump_one_object_path(acpi_handle obj_handle,
31 u32 level, void *context, void **return_value);
32
33 static acpi_status
34 acpi_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
50 void 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
102 void
103 acpi_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
139 acpi_status
140 acpi_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
594 cleanup:
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
618 void
619 acpi_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
674 static acpi_status
675 acpi_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
711 static acpi_status
712 acpi_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
742 void
743 acpi_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
797 void 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
826 void 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
Linux with added FPC-III support