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1/******************************************************************************
2 *
3 * Module Name: nsdump - table dumping routines for debug
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2012, 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. Some types should always have an object */
246
247 switch (type) {
248 case ACPI_TYPE_INTEGER:
249 case ACPI_TYPE_PACKAGE:
250 case ACPI_TYPE_BUFFER:
251 case ACPI_TYPE_STRING:
252 case ACPI_TYPE_METHOD:
253 acpi_os_printf("<No attached object>");
254 break;
255
256 default:
257 break;
258 }
259
260 acpi_os_printf("\n");
261 return (AE_OK);
262 }
263
264 switch (type) {
265 case ACPI_TYPE_PROCESSOR:
266
267 acpi_os_printf("ID %X Len %.4X Addr %p\n",
268 obj_desc->processor.proc_id,
269 obj_desc->processor.length,
270 ACPI_CAST_PTR(void,
271 obj_desc->processor.
272 address));
273 break;
274
275 case ACPI_TYPE_DEVICE:
276
277 acpi_os_printf("Notify Object: %p\n", obj_desc);
278 break;
279
280 case ACPI_TYPE_METHOD:
281
282 acpi_os_printf("Args %X Len %.4X Aml %p\n",
283 (u32) obj_desc->method.param_count,
284 obj_desc->method.aml_length,
285 obj_desc->method.aml_start);
286 break;
287
288 case ACPI_TYPE_INTEGER:
289
290 acpi_os_printf("= %8.8X%8.8X\n",
291 ACPI_FORMAT_UINT64(obj_desc->integer.
292 value));
293 break;
294
295 case ACPI_TYPE_PACKAGE:
296
297 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
298 acpi_os_printf("Elements %.2X\n",
299 obj_desc->package.count);
300 } else {
301 acpi_os_printf("[Length not yet evaluated]\n");
302 }
303 break;
304
305 case ACPI_TYPE_BUFFER:
306
307 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
308 acpi_os_printf("Len %.2X",
309 obj_desc->buffer.length);
310
311 /* Dump some of the buffer */
312
313 if (obj_desc->buffer.length > 0) {
314 acpi_os_printf(" =");
315 for (i = 0;
316 (i < obj_desc->buffer.length
317 && i < 12); i++) {
318 acpi_os_printf(" %.2hX",
319 obj_desc->buffer.
320 pointer[i]);
321 }
322 }
323 acpi_os_printf("\n");
324 } else {
325 acpi_os_printf("[Length not yet evaluated]\n");
326 }
327 break;
328
329 case ACPI_TYPE_STRING:
330
331 acpi_os_printf("Len %.2X ", obj_desc->string.length);
332 acpi_ut_print_string(obj_desc->string.pointer, 32);
333 acpi_os_printf("\n");
334 break;
335
336 case ACPI_TYPE_REGION:
337
338 acpi_os_printf("[%s]",
339 acpi_ut_get_region_name(obj_desc->region.
340 space_id));
341 if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
342 acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n",
343 ACPI_FORMAT_NATIVE_UINT
344 (obj_desc->region.address),
345 obj_desc->region.length);
346 } else {
347 acpi_os_printf
348 (" [Address/Length not yet evaluated]\n");
349 }
350 break;
351
352 case ACPI_TYPE_LOCAL_REFERENCE:
353
354 acpi_os_printf("[%s]\n",
355 acpi_ut_get_reference_name(obj_desc));
356 break;
357
358 case ACPI_TYPE_BUFFER_FIELD:
359
360 if (obj_desc->buffer_field.buffer_obj &&
361 obj_desc->buffer_field.buffer_obj->buffer.node) {
362 acpi_os_printf("Buf [%4.4s]",
363 acpi_ut_get_node_name(obj_desc->
364 buffer_field.
365 buffer_obj->
366 buffer.
367 node));
368 }
369 break;
370
371 case ACPI_TYPE_LOCAL_REGION_FIELD:
372
373 acpi_os_printf("Rgn [%4.4s]",
374 acpi_ut_get_node_name(obj_desc->
375 common_field.
376 region_obj->region.
377 node));
378 break;
379
380 case ACPI_TYPE_LOCAL_BANK_FIELD:
381
382 acpi_os_printf("Rgn [%4.4s] Bnk [%4.4s]",
383 acpi_ut_get_node_name(obj_desc->
384 common_field.
385 region_obj->region.
386 node),
387 acpi_ut_get_node_name(obj_desc->
388 bank_field.
389 bank_obj->
390 common_field.
391 node));
392 break;
393
394 case ACPI_TYPE_LOCAL_INDEX_FIELD:
395
396 acpi_os_printf("Idx [%4.4s] Dat [%4.4s]",
397 acpi_ut_get_node_name(obj_desc->
398 index_field.
399 index_obj->
400 common_field.node),
401 acpi_ut_get_node_name(obj_desc->
402 index_field.
403 data_obj->
404 common_field.
405 node));
406 break;
407
408 case ACPI_TYPE_LOCAL_ALIAS:
409 case ACPI_TYPE_LOCAL_METHOD_ALIAS:
410
411 acpi_os_printf("Target %4.4s (%p)\n",
412 acpi_ut_get_node_name(obj_desc),
413 obj_desc);
414 break;
415
416 default:
417
418 acpi_os_printf("Object %p\n", obj_desc);
419 break;
420 }
421
422 /* Common field handling */
423
424 switch (type) {
425 case ACPI_TYPE_BUFFER_FIELD:
426 case ACPI_TYPE_LOCAL_REGION_FIELD:
427 case ACPI_TYPE_LOCAL_BANK_FIELD:
428 case ACPI_TYPE_LOCAL_INDEX_FIELD:
429
430 acpi_os_printf(" Off %.3X Len %.2X Acc %.2hd\n",
431 (obj_desc->common_field.
432 base_byte_offset * 8)
433 +
434 obj_desc->common_field.
435 start_field_bit_offset,
436 obj_desc->common_field.bit_length,
437 obj_desc->common_field.
438 access_byte_width);
439 break;
440
441 default:
442 break;
443 }
444 break;
445
446 case ACPI_DISPLAY_OBJECTS:
447
448 acpi_os_printf("O:%p", obj_desc);
449 if (!obj_desc) {
450
451 /* No attached object, we are done */
452
453 acpi_os_printf("\n");
454 return (AE_OK);
455 }
456
457 acpi_os_printf("(R%u)", obj_desc->common.reference_count);
458
459 switch (type) {
460 case ACPI_TYPE_METHOD:
461
462 /* Name is a Method and its AML offset/length are set */
463
464 acpi_os_printf(" M:%p-%X\n", obj_desc->method.aml_start,
465 obj_desc->method.aml_length);
466 break;
467
468 case ACPI_TYPE_INTEGER:
469
470 acpi_os_printf(" I:%8.8X8.8%X\n",
471 ACPI_FORMAT_UINT64(obj_desc->integer.
472 value));
473 break;
474
475 case ACPI_TYPE_STRING:
476
477 acpi_os_printf(" S:%p-%X\n", obj_desc->string.pointer,
478 obj_desc->string.length);
479 break;
480
481 case ACPI_TYPE_BUFFER:
482
483 acpi_os_printf(" B:%p-%X\n", obj_desc->buffer.pointer,
484 obj_desc->buffer.length);
485 break;
486
487 default:
488
489 acpi_os_printf("\n");
490 break;
491 }
492 break;
493
494 default:
495 acpi_os_printf("\n");
496 break;
497 }
498
499 /* If debug turned off, done */
500
501 if (!(acpi_dbg_level & ACPI_LV_VALUES)) {
502 return (AE_OK);
503 }
504
505 /* If there is an attached object, display it */
506
507 dbg_level = acpi_dbg_level;
508 acpi_dbg_level = 0;
509 obj_desc = acpi_ns_get_attached_object(this_node);
510 acpi_dbg_level = dbg_level;
511
512 /* Dump attached objects */
513
514 while (obj_desc) {
515 obj_type = ACPI_TYPE_INVALID;
516 acpi_os_printf("Attached Object %p: ", obj_desc);
517
518 /* Decode the type of attached object and dump the contents */
519
520 switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
521 case ACPI_DESC_TYPE_NAMED:
522
523 acpi_os_printf("(Ptr to Node)\n");
524 bytes_to_dump = sizeof(struct acpi_namespace_node);
525 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
526 break;
527
528 case ACPI_DESC_TYPE_OPERAND:
529
530 obj_type = obj_desc->common.type;
531
532 if (obj_type > ACPI_TYPE_LOCAL_MAX) {
533 acpi_os_printf
534 ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
535 obj_type);
536 bytes_to_dump = 32;
537 } else {
538 acpi_os_printf
539 ("(Pointer to ACPI Object type %.2X [%s])\n",
540 obj_type, acpi_ut_get_type_name(obj_type));
541 bytes_to_dump =
542 sizeof(union acpi_operand_object);
543 }
544
545 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
546 break;
547
548 default:
549
550 break;
551 }
552
553 /* If value is NOT an internal object, we are done */
554
555 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) !=
556 ACPI_DESC_TYPE_OPERAND) {
557 goto cleanup;
558 }
559
560 /* Valid object, get the pointer to next level, if any */
561
562 switch (obj_type) {
563 case ACPI_TYPE_BUFFER:
564 case ACPI_TYPE_STRING:
565 /*
566 * NOTE: takes advantage of common fields between string/buffer
567 */
568 bytes_to_dump = obj_desc->string.length;
569 obj_desc = (void *)obj_desc->string.pointer;
570 acpi_os_printf("(Buffer/String pointer %p length %X)\n",
571 obj_desc, bytes_to_dump);
572 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
573 goto cleanup;
574
575 case ACPI_TYPE_BUFFER_FIELD:
576 obj_desc =
577 (union acpi_operand_object *)obj_desc->buffer_field.
578 buffer_obj;
579 break;
580
581 case ACPI_TYPE_PACKAGE:
582 obj_desc = (void *)obj_desc->package.elements;
583 break;
584
585 case ACPI_TYPE_METHOD:
586 obj_desc = (void *)obj_desc->method.aml_start;
587 break;
588
589 case ACPI_TYPE_LOCAL_REGION_FIELD:
590 obj_desc = (void *)obj_desc->field.region_obj;
591 break;
592
593 case ACPI_TYPE_LOCAL_BANK_FIELD:
594 obj_desc = (void *)obj_desc->bank_field.region_obj;
595 break;
596
597 case ACPI_TYPE_LOCAL_INDEX_FIELD:
598 obj_desc = (void *)obj_desc->index_field.index_obj;
599 break;
600
601 default:
602 goto cleanup;
603 }
604
605 obj_type = ACPI_TYPE_INVALID; /* Terminate loop after next pass */
606 }
607
608 cleanup:
609 acpi_os_printf("\n");
610 return (AE_OK);
611}
612
613#ifdef ACPI_FUTURE_USAGE
614/*******************************************************************************
615 *
616 * FUNCTION: acpi_ns_dump_objects
617 *
618 * PARAMETERS: Type - Object type to be dumped
619 * display_type - 0 or ACPI_DISPLAY_SUMMARY
620 * max_depth - Maximum depth of dump. Use ACPI_UINT32_MAX
621 * for an effectively unlimited depth.
622 * owner_id - Dump only objects owned by this ID. Use
623 * ACPI_UINT32_MAX to match all owners.
624 * start_handle - Where in namespace to start/end search
625 *
626 * RETURN: None
627 *
628 * DESCRIPTION: Dump typed objects within the loaded namespace. Uses
629 * acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
630 *
631 ******************************************************************************/
632
633void
634acpi_ns_dump_objects(acpi_object_type type,
635 u8 display_type,
636 u32 max_depth,
637 acpi_owner_id owner_id, acpi_handle start_handle)
638{
639 struct acpi_walk_info info;
640 acpi_status status;
641
642 ACPI_FUNCTION_ENTRY();
643
644 /*
645 * Just lock the entire namespace for the duration of the dump.
646 * We don't want any changes to the namespace during this time,
647 * especially the temporary nodes since we are going to display
648 * them also.
649 */
650 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
651 if (ACPI_FAILURE(status)) {
652 acpi_os_printf("Could not acquire namespace mutex\n");
653 return;
654 }
655
656 info.debug_level = ACPI_LV_TABLES;
657 info.owner_id = owner_id;
658 info.display_type = display_type;
659
660 (void)acpi_ns_walk_namespace(type, start_handle, max_depth,
661 ACPI_NS_WALK_NO_UNLOCK |
662 ACPI_NS_WALK_TEMP_NODES,
663 acpi_ns_dump_one_object, NULL,
664 (void *)&info, NULL);
665
666 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
667}
668#endif /* ACPI_FUTURE_USAGE */
669
670/*******************************************************************************
671 *
672 * FUNCTION: acpi_ns_dump_entry
673 *
674 * PARAMETERS: Handle - Node to be dumped
675 * debug_level - Output level
676 *
677 * RETURN: None
678 *
679 * DESCRIPTION: Dump a single Node
680 *
681 ******************************************************************************/
682
683void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level)
684{
685 struct acpi_walk_info info;
686
687 ACPI_FUNCTION_ENTRY();
688
689 info.debug_level = debug_level;
690 info.owner_id = ACPI_OWNER_ID_MAX;
691 info.display_type = ACPI_DISPLAY_SUMMARY;
692
693 (void)acpi_ns_dump_one_object(handle, 1, &info, NULL);
694}
695
696#ifdef ACPI_ASL_COMPILER
697/*******************************************************************************
698 *
699 * FUNCTION: acpi_ns_dump_tables
700 *
701 * PARAMETERS: search_base - Root of subtree to be dumped, or
702 * NS_ALL to dump the entire namespace
703 * max_depth - Maximum depth of dump. Use INT_MAX
704 * for an effectively unlimited depth.
705 *
706 * RETURN: None
707 *
708 * DESCRIPTION: Dump the name space, or a portion of it.
709 *
710 ******************************************************************************/
711
712void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
713{
714 acpi_handle search_handle = search_base;
715
716 ACPI_FUNCTION_TRACE(ns_dump_tables);
717
718 if (!acpi_gbl_root_node) {
719 /*
720 * If the name space has not been initialized,
721 * there is nothing to dump.
722 */
723 ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
724 "namespace not initialized!\n"));
725 return_VOID;
726 }
727
728 if (ACPI_NS_ALL == search_base) {
729
730 /* Entire namespace */
731
732 search_handle = acpi_gbl_root_node;
733 ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "\\\n"));
734 }
735
736 acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth,
737 ACPI_OWNER_ID_MAX, search_handle);
738 return_VOID;
739}
740#endif /* _ACPI_ASL_COMPILER */
741#endif /* defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) */
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
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 %p\n",
275 obj_desc->processor.proc_id,
276 obj_desc->processor.length,
277 ACPI_CAST_PTR(void,
278 obj_desc->processor.
279 address));
280 break;
281
282 case ACPI_TYPE_DEVICE:
283
284 acpi_os_printf("Notify Object: %p\n", obj_desc);
285 break;
286
287 case ACPI_TYPE_METHOD:
288
289 acpi_os_printf("Args %X Len %.4X Aml %p\n",
290 (u32) obj_desc->method.param_count,
291 obj_desc->method.aml_length,
292 obj_desc->method.aml_start);
293 break;
294
295 case ACPI_TYPE_INTEGER:
296
297 acpi_os_printf("= %8.8X%8.8X\n",
298 ACPI_FORMAT_UINT64(obj_desc->integer.
299 value));
300 break;
301
302 case ACPI_TYPE_PACKAGE:
303
304 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
305 acpi_os_printf("Elements %.2X\n",
306 obj_desc->package.count);
307 } else {
308 acpi_os_printf("[Length not yet evaluated]\n");
309 }
310 break;
311
312 case ACPI_TYPE_BUFFER:
313
314 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
315 acpi_os_printf("Len %.2X",
316 obj_desc->buffer.length);
317
318 /* Dump some of the buffer */
319
320 if (obj_desc->buffer.length > 0) {
321 acpi_os_printf(" =");
322 for (i = 0;
323 (i < obj_desc->buffer.length
324 && i < 12); i++) {
325 acpi_os_printf(" %.2hX",
326 obj_desc->buffer.
327 pointer[i]);
328 }
329 }
330 acpi_os_printf("\n");
331 } else {
332 acpi_os_printf("[Length not yet evaluated]\n");
333 }
334 break;
335
336 case ACPI_TYPE_STRING:
337
338 acpi_os_printf("Len %.2X ", obj_desc->string.length);
339 acpi_ut_print_string(obj_desc->string.pointer, 32);
340 acpi_os_printf("\n");
341 break;
342
343 case ACPI_TYPE_REGION:
344
345 acpi_os_printf("[%s]",
346 acpi_ut_get_region_name(obj_desc->region.
347 space_id));
348 if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
349 acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n",
350 ACPI_FORMAT_NATIVE_UINT
351 (obj_desc->region.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