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1 /******************************************************************************
2  *
3  * Module Name: nsdump - table dumping routines for debug
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2016, 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 static acpi_status
64 acpi_ns_dump_one_object_path(acpi_handle obj_handle,
65 			     u32 level, void *context, void **return_value);
66 
67 static acpi_status
68 acpi_ns_get_max_depth(acpi_handle obj_handle,
69 		      u32 level, void *context, void **return_value);
70 
71 /*******************************************************************************
72  *
73  * FUNCTION:    acpi_ns_print_pathname
74  *
75  * PARAMETERS:  num_segments        - Number of ACPI name segments
76  *              pathname            - The compressed (internal) path
77  *
78  * RETURN:      None
79  *
80  * DESCRIPTION: Print an object's full namespace pathname
81  *
82  ******************************************************************************/
83 
acpi_ns_print_pathname(u32 num_segments,const char * pathname)84 void acpi_ns_print_pathname(u32 num_segments, const char *pathname)
85 {
86 	u32 i;
87 
88 	ACPI_FUNCTION_NAME(ns_print_pathname);
89 
90 	/* Check if debug output enabled */
91 
92 	if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_NAMES, ACPI_NAMESPACE)) {
93 		return;
94 	}
95 
96 	/* Print the entire name */
97 
98 	ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "["));
99 
100 	while (num_segments) {
101 		for (i = 0; i < 4; i++) {
102 			isprint((int)pathname[i]) ?
103 			    acpi_os_printf("%c", pathname[i]) :
104 			    acpi_os_printf("?");
105 		}
106 
107 		pathname += ACPI_NAME_SIZE;
108 		num_segments--;
109 		if (num_segments) {
110 			acpi_os_printf(".");
111 		}
112 	}
113 
114 	acpi_os_printf("]\n");
115 }
116 
117 #ifdef ACPI_OBSOLETE_FUNCTIONS
118 /* Not used at this time, perhaps later */
119 
120 /*******************************************************************************
121  *
122  * FUNCTION:    acpi_ns_dump_pathname
123  *
124  * PARAMETERS:  handle              - Object
125  *              msg                 - Prefix message
126  *              level               - Desired debug level
127  *              component           - Caller's component ID
128  *
129  * RETURN:      None
130  *
131  * DESCRIPTION: Print an object's full namespace pathname
132  *              Manages allocation/freeing of a pathname buffer
133  *
134  ******************************************************************************/
135 
136 void
acpi_ns_dump_pathname(acpi_handle handle,const char * msg,u32 level,u32 component)137 acpi_ns_dump_pathname(acpi_handle handle,
138 		      const char *msg, u32 level, u32 component)
139 {
140 
141 	ACPI_FUNCTION_TRACE(ns_dump_pathname);
142 
143 	/* Do this only if the requested debug level and component are enabled */
144 
145 	if (!ACPI_IS_DEBUG_ENABLED(level, component)) {
146 		return_VOID;
147 	}
148 
149 	/* Convert handle to a full pathname and print it (with supplied message) */
150 
151 	acpi_ns_print_node_pathname(handle, msg);
152 	acpi_os_printf("\n");
153 	return_VOID;
154 }
155 #endif
156 
157 /*******************************************************************************
158  *
159  * FUNCTION:    acpi_ns_dump_one_object
160  *
161  * PARAMETERS:  obj_handle          - Node to be dumped
162  *              level               - Nesting level of the handle
163  *              context             - Passed into walk_namespace
164  *              return_value        - Not used
165  *
166  * RETURN:      Status
167  *
168  * DESCRIPTION: Dump a single Node
169  *              This procedure is a user_function called by acpi_ns_walk_namespace.
170  *
171  ******************************************************************************/
172 
173 acpi_status
acpi_ns_dump_one_object(acpi_handle obj_handle,u32 level,void * context,void ** return_value)174 acpi_ns_dump_one_object(acpi_handle obj_handle,
175 			u32 level, void *context, void **return_value)
176 {
177 	struct acpi_walk_info *info = (struct acpi_walk_info *)context;
178 	struct acpi_namespace_node *this_node;
179 	union acpi_operand_object *obj_desc = NULL;
180 	acpi_object_type obj_type;
181 	acpi_object_type type;
182 	u32 bytes_to_dump;
183 	u32 dbg_level;
184 	u32 i;
185 
186 	ACPI_FUNCTION_NAME(ns_dump_one_object);
187 
188 	/* Is output enabled? */
189 
190 	if (!(acpi_dbg_level & info->debug_level)) {
191 		return (AE_OK);
192 	}
193 
194 	if (!obj_handle) {
195 		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Null object handle\n"));
196 		return (AE_OK);
197 	}
198 
199 	this_node = acpi_ns_validate_handle(obj_handle);
200 	if (!this_node) {
201 		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Invalid object handle %p\n",
202 				  obj_handle));
203 		return (AE_OK);
204 	}
205 
206 	type = this_node->type;
207 
208 	/* Check if the owner matches */
209 
210 	if ((info->owner_id != ACPI_OWNER_ID_MAX) &&
211 	    (info->owner_id != this_node->owner_id)) {
212 		return (AE_OK);
213 	}
214 
215 	if (!(info->display_type & ACPI_DISPLAY_SHORT)) {
216 
217 		/* Indent the object according to the level */
218 
219 		acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " ");
220 
221 		/* Check the node type and name */
222 
223 		if (type > ACPI_TYPE_LOCAL_MAX) {
224 			ACPI_WARNING((AE_INFO,
225 				      "Invalid ACPI Object Type 0x%08X", type));
226 		}
227 
228 		acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node));
229 	}
230 
231 	/* Now we can print out the pertinent information */
232 
233 	acpi_os_printf(" %-12s %p %2.2X ",
234 		       acpi_ut_get_type_name(type), this_node,
235 		       this_node->owner_id);
236 
237 	dbg_level = acpi_dbg_level;
238 	acpi_dbg_level = 0;
239 	obj_desc = acpi_ns_get_attached_object(this_node);
240 	acpi_dbg_level = dbg_level;
241 
242 	/* Temp nodes are those nodes created by a control method */
243 
244 	if (this_node->flags & ANOBJ_TEMPORARY) {
245 		acpi_os_printf("(T) ");
246 	}
247 
248 	switch (info->display_type & ACPI_DISPLAY_MASK) {
249 	case ACPI_DISPLAY_SUMMARY:
250 
251 		if (!obj_desc) {
252 
253 			/* No attached object. Some types should always have an object */
254 
255 			switch (type) {
256 			case ACPI_TYPE_INTEGER:
257 			case ACPI_TYPE_PACKAGE:
258 			case ACPI_TYPE_BUFFER:
259 			case ACPI_TYPE_STRING:
260 			case ACPI_TYPE_METHOD:
261 
262 				acpi_os_printf("<No attached object>");
263 				break;
264 
265 			default:
266 
267 				break;
268 			}
269 
270 			acpi_os_printf("\n");
271 			return (AE_OK);
272 		}
273 
274 		switch (type) {
275 		case ACPI_TYPE_PROCESSOR:
276 
277 			acpi_os_printf("ID %02X Len %02X Addr %8.8X%8.8X\n",
278 				       obj_desc->processor.proc_id,
279 				       obj_desc->processor.length,
280 				       ACPI_FORMAT_UINT64(obj_desc->processor.
281 							  address));
282 			break;
283 
284 		case ACPI_TYPE_DEVICE:
285 
286 			acpi_os_printf("Notify Object: %p\n", obj_desc);
287 			break;
288 
289 		case ACPI_TYPE_METHOD:
290 
291 			acpi_os_printf("Args %X Len %.4X Aml %p\n",
292 				       (u32) obj_desc->method.param_count,
293 				       obj_desc->method.aml_length,
294 				       obj_desc->method.aml_start);
295 			break;
296 
297 		case ACPI_TYPE_INTEGER:
298 
299 			acpi_os_printf("= %8.8X%8.8X\n",
300 				       ACPI_FORMAT_UINT64(obj_desc->integer.
301 							  value));
302 			break;
303 
304 		case ACPI_TYPE_PACKAGE:
305 
306 			if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
307 				acpi_os_printf("Elements %.2X\n",
308 					       obj_desc->package.count);
309 			} else {
310 				acpi_os_printf("[Length not yet evaluated]\n");
311 			}
312 			break;
313 
314 		case ACPI_TYPE_BUFFER:
315 
316 			if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
317 				acpi_os_printf("Len %.2X",
318 					       obj_desc->buffer.length);
319 
320 				/* Dump some of the buffer */
321 
322 				if (obj_desc->buffer.length > 0) {
323 					acpi_os_printf(" =");
324 					for (i = 0;
325 					     (i < obj_desc->buffer.length
326 					      && i < 12); i++) {
327 						acpi_os_printf(" %.2hX",
328 							       obj_desc->buffer.
329 							       pointer[i]);
330 					}
331 				}
332 				acpi_os_printf("\n");
333 			} else {
334 				acpi_os_printf("[Length not yet evaluated]\n");
335 			}
336 			break;
337 
338 		case ACPI_TYPE_STRING:
339 
340 			acpi_os_printf("Len %.2X ", obj_desc->string.length);
341 			acpi_ut_print_string(obj_desc->string.pointer, 80);
342 			acpi_os_printf("\n");
343 			break;
344 
345 		case ACPI_TYPE_REGION:
346 
347 			acpi_os_printf("[%s]",
348 				       acpi_ut_get_region_name(obj_desc->region.
349 							       space_id));
350 			if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
351 				acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n",
352 					       ACPI_FORMAT_UINT64(obj_desc->
353 								  region.
354 								  address),
355 					       obj_desc->region.length);
356 			} else {
357 				acpi_os_printf
358 				    (" [Address/Length not yet evaluated]\n");
359 			}
360 			break;
361 
362 		case ACPI_TYPE_LOCAL_REFERENCE:
363 
364 			acpi_os_printf("[%s]\n",
365 				       acpi_ut_get_reference_name(obj_desc));
366 			break;
367 
368 		case ACPI_TYPE_BUFFER_FIELD:
369 
370 			if (obj_desc->buffer_field.buffer_obj &&
371 			    obj_desc->buffer_field.buffer_obj->buffer.node) {
372 				acpi_os_printf("Buf [%4.4s]",
373 					       acpi_ut_get_node_name(obj_desc->
374 								     buffer_field.
375 								     buffer_obj->
376 								     buffer.
377 								     node));
378 			}
379 			break;
380 
381 		case ACPI_TYPE_LOCAL_REGION_FIELD:
382 
383 			acpi_os_printf("Rgn [%4.4s]",
384 				       acpi_ut_get_node_name(obj_desc->
385 							     common_field.
386 							     region_obj->region.
387 							     node));
388 			break;
389 
390 		case ACPI_TYPE_LOCAL_BANK_FIELD:
391 
392 			acpi_os_printf("Rgn [%4.4s] Bnk [%4.4s]",
393 				       acpi_ut_get_node_name(obj_desc->
394 							     common_field.
395 							     region_obj->region.
396 							     node),
397 				       acpi_ut_get_node_name(obj_desc->
398 							     bank_field.
399 							     bank_obj->
400 							     common_field.
401 							     node));
402 			break;
403 
404 		case ACPI_TYPE_LOCAL_INDEX_FIELD:
405 
406 			acpi_os_printf("Idx [%4.4s] Dat [%4.4s]",
407 				       acpi_ut_get_node_name(obj_desc->
408 							     index_field.
409 							     index_obj->
410 							     common_field.node),
411 				       acpi_ut_get_node_name(obj_desc->
412 							     index_field.
413 							     data_obj->
414 							     common_field.
415 							     node));
416 			break;
417 
418 		case ACPI_TYPE_LOCAL_ALIAS:
419 		case ACPI_TYPE_LOCAL_METHOD_ALIAS:
420 
421 			acpi_os_printf("Target %4.4s (%p)\n",
422 				       acpi_ut_get_node_name(obj_desc),
423 				       obj_desc);
424 			break;
425 
426 		default:
427 
428 			acpi_os_printf("Object %p\n", obj_desc);
429 			break;
430 		}
431 
432 		/* Common field handling */
433 
434 		switch (type) {
435 		case ACPI_TYPE_BUFFER_FIELD:
436 		case ACPI_TYPE_LOCAL_REGION_FIELD:
437 		case ACPI_TYPE_LOCAL_BANK_FIELD:
438 		case ACPI_TYPE_LOCAL_INDEX_FIELD:
439 
440 			acpi_os_printf(" Off %.3X Len %.2X Acc %.2hd\n",
441 				       (obj_desc->common_field.
442 					base_byte_offset * 8)
443 				       +
444 				       obj_desc->common_field.
445 				       start_field_bit_offset,
446 				       obj_desc->common_field.bit_length,
447 				       obj_desc->common_field.
448 				       access_byte_width);
449 			break;
450 
451 		default:
452 
453 			break;
454 		}
455 		break;
456 
457 	case ACPI_DISPLAY_OBJECTS:
458 
459 		acpi_os_printf("O:%p", obj_desc);
460 		if (!obj_desc) {
461 
462 			/* No attached object, we are done */
463 
464 			acpi_os_printf("\n");
465 			return (AE_OK);
466 		}
467 
468 		acpi_os_printf("(R%u)", obj_desc->common.reference_count);
469 
470 		switch (type) {
471 		case ACPI_TYPE_METHOD:
472 
473 			/* Name is a Method and its AML offset/length are set */
474 
475 			acpi_os_printf(" M:%p-%X\n", obj_desc->method.aml_start,
476 				       obj_desc->method.aml_length);
477 			break;
478 
479 		case ACPI_TYPE_INTEGER:
480 
481 			acpi_os_printf(" I:%8.8X8.8%X\n",
482 				       ACPI_FORMAT_UINT64(obj_desc->integer.
483 							  value));
484 			break;
485 
486 		case ACPI_TYPE_STRING:
487 
488 			acpi_os_printf(" S:%p-%X\n", obj_desc->string.pointer,
489 				       obj_desc->string.length);
490 			break;
491 
492 		case ACPI_TYPE_BUFFER:
493 
494 			acpi_os_printf(" B:%p-%X\n", obj_desc->buffer.pointer,
495 				       obj_desc->buffer.length);
496 			break;
497 
498 		default:
499 
500 			acpi_os_printf("\n");
501 			break;
502 		}
503 		break;
504 
505 	default:
506 		acpi_os_printf("\n");
507 		break;
508 	}
509 
510 	/* If debug turned off, done */
511 
512 	if (!(acpi_dbg_level & ACPI_LV_VALUES)) {
513 		return (AE_OK);
514 	}
515 
516 	/* If there is an attached object, display it */
517 
518 	dbg_level = acpi_dbg_level;
519 	acpi_dbg_level = 0;
520 	obj_desc = acpi_ns_get_attached_object(this_node);
521 	acpi_dbg_level = dbg_level;
522 
523 	/* Dump attached objects */
524 
525 	while (obj_desc) {
526 		obj_type = ACPI_TYPE_INVALID;
527 		acpi_os_printf("Attached Object %p: ", obj_desc);
528 
529 		/* Decode the type of attached object and dump the contents */
530 
531 		switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
532 		case ACPI_DESC_TYPE_NAMED:
533 
534 			acpi_os_printf("(Ptr to Node)\n");
535 			bytes_to_dump = sizeof(struct acpi_namespace_node);
536 			ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
537 			break;
538 
539 		case ACPI_DESC_TYPE_OPERAND:
540 
541 			obj_type = obj_desc->common.type;
542 
543 			if (obj_type > ACPI_TYPE_LOCAL_MAX) {
544 				acpi_os_printf
545 				    ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
546 				     obj_type);
547 
548 				bytes_to_dump = 32;
549 			} else {
550 				acpi_os_printf
551 				    ("(Pointer to ACPI Object type %.2X [%s])\n",
552 				     obj_type, acpi_ut_get_type_name(obj_type));
553 
554 				bytes_to_dump =
555 				    sizeof(union acpi_operand_object);
556 			}
557 
558 			ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
559 			break;
560 
561 		default:
562 
563 			break;
564 		}
565 
566 		/* If value is NOT an internal object, we are done */
567 
568 		if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) !=
569 		    ACPI_DESC_TYPE_OPERAND) {
570 			goto cleanup;
571 		}
572 
573 		/* Valid object, get the pointer to next level, if any */
574 
575 		switch (obj_type) {
576 		case ACPI_TYPE_BUFFER:
577 		case ACPI_TYPE_STRING:
578 			/*
579 			 * NOTE: takes advantage of common fields between string/buffer
580 			 */
581 			bytes_to_dump = obj_desc->string.length;
582 			obj_desc = (void *)obj_desc->string.pointer;
583 
584 			acpi_os_printf("(Buffer/String pointer %p length %X)\n",
585 				       obj_desc, bytes_to_dump);
586 			ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
587 			goto cleanup;
588 
589 		case ACPI_TYPE_BUFFER_FIELD:
590 
591 			obj_desc =
592 			    (union acpi_operand_object *)obj_desc->buffer_field.
593 			    buffer_obj;
594 			break;
595 
596 		case ACPI_TYPE_PACKAGE:
597 
598 			obj_desc = (void *)obj_desc->package.elements;
599 			break;
600 
601 		case ACPI_TYPE_METHOD:
602 
603 			obj_desc = (void *)obj_desc->method.aml_start;
604 			break;
605 
606 		case ACPI_TYPE_LOCAL_REGION_FIELD:
607 
608 			obj_desc = (void *)obj_desc->field.region_obj;
609 			break;
610 
611 		case ACPI_TYPE_LOCAL_BANK_FIELD:
612 
613 			obj_desc = (void *)obj_desc->bank_field.region_obj;
614 			break;
615 
616 		case ACPI_TYPE_LOCAL_INDEX_FIELD:
617 
618 			obj_desc = (void *)obj_desc->index_field.index_obj;
619 			break;
620 
621 		default:
622 
623 			goto cleanup;
624 		}
625 
626 		obj_type = ACPI_TYPE_INVALID;	/* Terminate loop after next pass */
627 	}
628 
629 cleanup:
630 	acpi_os_printf("\n");
631 	return (AE_OK);
632 }
633 
634 /*******************************************************************************
635  *
636  * FUNCTION:    acpi_ns_dump_objects
637  *
638  * PARAMETERS:  type                - Object type to be dumped
639  *              display_type        - 0 or ACPI_DISPLAY_SUMMARY
640  *              max_depth           - Maximum depth of dump. Use ACPI_UINT32_MAX
641  *                                    for an effectively unlimited depth.
642  *              owner_id            - Dump only objects owned by this ID. Use
643  *                                    ACPI_UINT32_MAX to match all owners.
644  *              start_handle        - Where in namespace to start/end search
645  *
646  * RETURN:      None
647  *
648  * DESCRIPTION: Dump typed objects within the loaded namespace. Uses
649  *              acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
650  *
651  ******************************************************************************/
652 
653 void
acpi_ns_dump_objects(acpi_object_type type,u8 display_type,u32 max_depth,acpi_owner_id owner_id,acpi_handle start_handle)654 acpi_ns_dump_objects(acpi_object_type type,
655 		     u8 display_type,
656 		     u32 max_depth,
657 		     acpi_owner_id owner_id, acpi_handle start_handle)
658 {
659 	struct acpi_walk_info info;
660 	acpi_status status;
661 
662 	ACPI_FUNCTION_ENTRY();
663 
664 	/*
665 	 * Just lock the entire namespace for the duration of the dump.
666 	 * We don't want any changes to the namespace during this time,
667 	 * especially the temporary nodes since we are going to display
668 	 * them also.
669 	 */
670 	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
671 	if (ACPI_FAILURE(status)) {
672 		acpi_os_printf("Could not acquire namespace mutex\n");
673 		return;
674 	}
675 
676 	info.debug_level = ACPI_LV_TABLES;
677 	info.owner_id = owner_id;
678 	info.display_type = display_type;
679 
680 	(void)acpi_ns_walk_namespace(type, start_handle, max_depth,
681 				     ACPI_NS_WALK_NO_UNLOCK |
682 				     ACPI_NS_WALK_TEMP_NODES,
683 				     acpi_ns_dump_one_object, NULL,
684 				     (void *)&info, NULL);
685 
686 	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
687 }
688 
689 /*******************************************************************************
690  *
691  * FUNCTION:    acpi_ns_dump_one_object_path, acpi_ns_get_max_depth
692  *
693  * PARAMETERS:  obj_handle          - Node to be dumped
694  *              level               - Nesting level of the handle
695  *              context             - Passed into walk_namespace
696  *              return_value        - Not used
697  *
698  * RETURN:      Status
699  *
700  * DESCRIPTION: Dump the full pathname to a namespace object. acp_ns_get_max_depth
701  *              computes the maximum nesting depth in the namespace tree, in
702  *              order to simplify formatting in acpi_ns_dump_one_object_path.
703  *              These procedures are user_functions called by acpi_ns_walk_namespace.
704  *
705  ******************************************************************************/
706 
707 static acpi_status
acpi_ns_dump_one_object_path(acpi_handle obj_handle,u32 level,void * context,void ** return_value)708 acpi_ns_dump_one_object_path(acpi_handle obj_handle,
709 			     u32 level, void *context, void **return_value)
710 {
711 	u32 max_level = *((u32 *)context);
712 	char *pathname;
713 	struct acpi_namespace_node *node;
714 	int path_indent;
715 
716 	if (!obj_handle) {
717 		return (AE_OK);
718 	}
719 
720 	node = acpi_ns_validate_handle(obj_handle);
721 	if (!node) {
722 
723 		/* Ignore bad node during namespace walk */
724 
725 		return (AE_OK);
726 	}
727 
728 	pathname = acpi_ns_get_normalized_pathname(node, TRUE);
729 
730 	path_indent = 1;
731 	if (level <= max_level) {
732 		path_indent = max_level - level + 1;
733 	}
734 
735 	acpi_os_printf("%2d%*s%-12s%*s",
736 		       level, level, " ", acpi_ut_get_type_name(node->type),
737 		       path_indent, " ");
738 
739 	acpi_os_printf("%s\n", &pathname[1]);
740 	ACPI_FREE(pathname);
741 	return (AE_OK);
742 }
743 
744 static acpi_status
acpi_ns_get_max_depth(acpi_handle obj_handle,u32 level,void * context,void ** return_value)745 acpi_ns_get_max_depth(acpi_handle obj_handle,
746 		      u32 level, void *context, void **return_value)
747 {
748 	u32 *max_level = (u32 *)context;
749 
750 	if (level > *max_level) {
751 		*max_level = level;
752 	}
753 	return (AE_OK);
754 }
755 
756 /*******************************************************************************
757  *
758  * FUNCTION:    acpi_ns_dump_object_paths
759  *
760  * PARAMETERS:  type                - Object type to be dumped
761  *              display_type        - 0 or ACPI_DISPLAY_SUMMARY
762  *              max_depth           - Maximum depth of dump. Use ACPI_UINT32_MAX
763  *                                    for an effectively unlimited depth.
764  *              owner_id            - Dump only objects owned by this ID. Use
765  *                                    ACPI_UINT32_MAX to match all owners.
766  *              start_handle        - Where in namespace to start/end search
767  *
768  * RETURN:      None
769  *
770  * DESCRIPTION: Dump full object pathnames within the loaded namespace. Uses
771  *              acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object_path.
772  *
773  ******************************************************************************/
774 
775 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)776 acpi_ns_dump_object_paths(acpi_object_type type,
777 			  u8 display_type,
778 			  u32 max_depth,
779 			  acpi_owner_id owner_id, acpi_handle start_handle)
780 {
781 	acpi_status status;
782 	u32 max_level = 0;
783 
784 	ACPI_FUNCTION_ENTRY();
785 
786 	/*
787 	 * Just lock the entire namespace for the duration of the dump.
788 	 * We don't want any changes to the namespace during this time,
789 	 * especially the temporary nodes since we are going to display
790 	 * them also.
791 	 */
792 	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
793 	if (ACPI_FAILURE(status)) {
794 		acpi_os_printf("Could not acquire namespace mutex\n");
795 		return;
796 	}
797 
798 	/* Get the max depth of the namespace tree, for formatting later */
799 
800 	(void)acpi_ns_walk_namespace(type, start_handle, max_depth,
801 				     ACPI_NS_WALK_NO_UNLOCK |
802 				     ACPI_NS_WALK_TEMP_NODES,
803 				     acpi_ns_get_max_depth, NULL,
804 				     (void *)&max_level, NULL);
805 
806 	/* Now dump the entire namespace */
807 
808 	(void)acpi_ns_walk_namespace(type, start_handle, max_depth,
809 				     ACPI_NS_WALK_NO_UNLOCK |
810 				     ACPI_NS_WALK_TEMP_NODES,
811 				     acpi_ns_dump_one_object_path, NULL,
812 				     (void *)&max_level, NULL);
813 
814 	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
815 }
816 
817 /*******************************************************************************
818  *
819  * FUNCTION:    acpi_ns_dump_entry
820  *
821  * PARAMETERS:  handle              - Node to be dumped
822  *              debug_level         - Output level
823  *
824  * RETURN:      None
825  *
826  * DESCRIPTION: Dump a single Node
827  *
828  ******************************************************************************/
829 
acpi_ns_dump_entry(acpi_handle handle,u32 debug_level)830 void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level)
831 {
832 	struct acpi_walk_info info;
833 
834 	ACPI_FUNCTION_ENTRY();
835 
836 	info.debug_level = debug_level;
837 	info.owner_id = ACPI_OWNER_ID_MAX;
838 	info.display_type = ACPI_DISPLAY_SUMMARY;
839 
840 	(void)acpi_ns_dump_one_object(handle, 1, &info, NULL);
841 }
842 
843 #ifdef ACPI_ASL_COMPILER
844 /*******************************************************************************
845  *
846  * FUNCTION:    acpi_ns_dump_tables
847  *
848  * PARAMETERS:  search_base         - Root of subtree to be dumped, or
849  *                                    NS_ALL to dump the entire namespace
850  *              max_depth           - Maximum depth of dump. Use INT_MAX
851  *                                    for an effectively unlimited depth.
852  *
853  * RETURN:      None
854  *
855  * DESCRIPTION: Dump the name space, or a portion of it.
856  *
857  ******************************************************************************/
858 
acpi_ns_dump_tables(acpi_handle search_base,u32 max_depth)859 void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
860 {
861 	acpi_handle search_handle = search_base;
862 
863 	ACPI_FUNCTION_TRACE(ns_dump_tables);
864 
865 	if (!acpi_gbl_root_node) {
866 		/*
867 		 * If the name space has not been initialized,
868 		 * there is nothing to dump.
869 		 */
870 		ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
871 				  "namespace not initialized!\n"));
872 		return_VOID;
873 	}
874 
875 	if (ACPI_NS_ALL == search_base) {
876 
877 		/* Entire namespace */
878 
879 		search_handle = acpi_gbl_root_node;
880 		ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "\\\n"));
881 	}
882 
883 	acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth,
884 			     ACPI_OWNER_ID_MAX, search_handle);
885 	return_VOID;
886 }
887 #endif
888 #endif
889