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added 2.6.29.6 aldebaran kernel
[nao-ulib.git] / kernel / 2.6.29.6-aldebaran-rt / drivers / acpi / acpica / nsdump.c
blob0da33c8e9ba272d99979e80fd26ccb30255cb21b
1 /******************************************************************************
2 *
3 * Module Name: nsdump - table dumping routines for debug
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2008, 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
49 ACPI_MODULE_NAME("nsdump")
50
51 /* Local prototypes */
52 #ifdef ACPI_OBSOLETE_FUNCTIONS
53 void acpi_ns_dump_root_devices(void);
54
55 static acpi_status
56 acpi_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
74 void 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
122 void
123 acpi_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
157 acpi_status
158 acpi_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_map_handle_to_node(obj_handle);
184 type = this_node->type;
185
186 /* Check if the owner matches */
187
188 if ((info->owner_id != ACPI_OWNER_ID_MAX) &&
189 (info->owner_id != this_node->owner_id)) {
190 return (AE_OK);
191 }
192
193 if (!(info->display_type & ACPI_DISPLAY_SHORT)) {
194
195 /* Indent the object according to the level */
196
197 acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " ");
198
199 /* Check the node type and name */
200
201 if (type > ACPI_TYPE_LOCAL_MAX) {
202 ACPI_WARNING((AE_INFO, "Invalid ACPI Object Type %08X",
203 type));
204 }
205
206 if (!acpi_ut_valid_acpi_name(this_node->name.integer)) {
207 this_node->name.integer =
208 acpi_ut_repair_name(this_node->name.ascii);
209
210 ACPI_WARNING((AE_INFO, "Invalid ACPI Name %08X",
211 this_node->name.integer));
212 }
213
214 acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node));
215 }
216
217 /*
218 * Now we can print out the pertinent information
219 */
220 acpi_os_printf(" %-12s %p %2.2X ",
221 acpi_ut_get_type_name(type), this_node,
222 this_node->owner_id);
223
224 dbg_level = acpi_dbg_level;
225 acpi_dbg_level = 0;
226 obj_desc = acpi_ns_get_attached_object(this_node);
227 acpi_dbg_level = dbg_level;
228
229 /* Temp nodes are those nodes created by a control method */
230
231 if (this_node->flags & ANOBJ_TEMPORARY) {
232 acpi_os_printf("(T) ");
233 }
234
235 switch (info->display_type & ACPI_DISPLAY_MASK) {
236 case ACPI_DISPLAY_SUMMARY:
237
238 if (!obj_desc) {
239
240 /* No attached object, we are done */
241
242 acpi_os_printf("\n");
243 return (AE_OK);
244 }
245
246 switch (type) {
247 case ACPI_TYPE_PROCESSOR:
248
249 acpi_os_printf("ID %X Len %.4X Addr %p\n",
250 obj_desc->processor.proc_id,
251 obj_desc->processor.length,
252 ACPI_CAST_PTR(void,
253 obj_desc->processor.
254 address));
255 break;
256
257 case ACPI_TYPE_DEVICE:
258
259 acpi_os_printf("Notify Object: %p\n", obj_desc);
260 break;
261
262 case ACPI_TYPE_METHOD:
263
264 acpi_os_printf("Args %X Len %.4X Aml %p\n",
265 (u32) obj_desc->method.param_count,
266 obj_desc->method.aml_length,
267 obj_desc->method.aml_start);
268 break;
269
270 case ACPI_TYPE_INTEGER:
271
272 acpi_os_printf("= %8.8X%8.8X\n",
273 ACPI_FORMAT_UINT64(obj_desc->integer.
274 value));
275 break;
276
277 case ACPI_TYPE_PACKAGE:
278
279 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
280 acpi_os_printf("Elements %.2X\n",
281 obj_desc->package.count);
282 } else {
283 acpi_os_printf("[Length not yet evaluated]\n");
284 }
285 break;
286
287 case ACPI_TYPE_BUFFER:
288
289 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
290 acpi_os_printf("Len %.2X",
291 obj_desc->buffer.length);
292
293 /* Dump some of the buffer */
294
295 if (obj_desc->buffer.length > 0) {
296 acpi_os_printf(" =");
297 for (i = 0;
298 (i < obj_desc->buffer.length
299 && i < 12); i++) {
300 acpi_os_printf(" %.2hX",
301 obj_desc->buffer.
302 pointer[i]);
303 }
304 }
305 acpi_os_printf("\n");
306 } else {
307 acpi_os_printf("[Length not yet evaluated]\n");
308 }
309 break;
310
311 case ACPI_TYPE_STRING:
312
313 acpi_os_printf("Len %.2X ", obj_desc->string.length);
314 acpi_ut_print_string(obj_desc->string.pointer, 32);
315 acpi_os_printf("\n");
316 break;
317
318 case ACPI_TYPE_REGION:
319
320 acpi_os_printf("[%s]",
321 acpi_ut_get_region_name(obj_desc->region.
322 space_id));
323 if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
324 acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n",
325 ACPI_FORMAT_NATIVE_UINT
326 (obj_desc->region.address),
327 obj_desc->region.length);
328 } else {
329 acpi_os_printf
330 (" [Address/Length not yet evaluated]\n");
331 }
332 break;
333
334 case ACPI_TYPE_LOCAL_REFERENCE:
335
336 acpi_os_printf("[%s]\n",
337 acpi_ut_get_reference_name(obj_desc));
338 break;
339
340 case ACPI_TYPE_BUFFER_FIELD:
341
342 if (obj_desc->buffer_field.buffer_obj &&
343 obj_desc->buffer_field.buffer_obj->buffer.node) {
344 acpi_os_printf("Buf [%4.4s]",
345 acpi_ut_get_node_name(obj_desc->
346 buffer_field.
347 buffer_obj->
348 buffer.
349 node));
350 }
351 break;
352
353 case ACPI_TYPE_LOCAL_REGION_FIELD:
354
355 acpi_os_printf("Rgn [%4.4s]",
356 acpi_ut_get_node_name(obj_desc->
357 common_field.
358 region_obj->region.
359 node));
360 break;
361
362 case ACPI_TYPE_LOCAL_BANK_FIELD:
363
364 acpi_os_printf("Rgn [%4.4s] Bnk [%4.4s]",
365 acpi_ut_get_node_name(obj_desc->
366 common_field.
367 region_obj->region.
368 node),
369 acpi_ut_get_node_name(obj_desc->
370 bank_field.
371 bank_obj->
372 common_field.
373 node));
374 break;
375
376 case ACPI_TYPE_LOCAL_INDEX_FIELD:
377
378 acpi_os_printf("Idx [%4.4s] Dat [%4.4s]",
379 acpi_ut_get_node_name(obj_desc->
380 index_field.
381 index_obj->
382 common_field.node),
383 acpi_ut_get_node_name(obj_desc->
384 index_field.
385 data_obj->
386 common_field.
387 node));
388 break;
389
390 case ACPI_TYPE_LOCAL_ALIAS:
391 case ACPI_TYPE_LOCAL_METHOD_ALIAS:
392
393 acpi_os_printf("Target %4.4s (%p)\n",
394 acpi_ut_get_node_name(obj_desc),
395 obj_desc);
396 break;
397
398 default:
399
400 acpi_os_printf("Object %p\n", obj_desc);
401 break;
402 }
403
404 /* Common field handling */
405
406 switch (type) {
407 case ACPI_TYPE_BUFFER_FIELD:
408 case ACPI_TYPE_LOCAL_REGION_FIELD:
409 case ACPI_TYPE_LOCAL_BANK_FIELD:
410 case ACPI_TYPE_LOCAL_INDEX_FIELD:
411
412 acpi_os_printf(" Off %.3X Len %.2X Acc %.2hd\n",
413 (obj_desc->common_field.
414 base_byte_offset * 8)
415 +
416 obj_desc->common_field.
417 start_field_bit_offset,
418 obj_desc->common_field.bit_length,
419 obj_desc->common_field.
420 access_byte_width);
421 break;
422
423 default:
424 break;
425 }
426 break;
427
428 case ACPI_DISPLAY_OBJECTS:
429
430 acpi_os_printf("O:%p", obj_desc);
431 if (!obj_desc) {
432
433 /* No attached object, we are done */
434
435 acpi_os_printf("\n");
436 return (AE_OK);
437 }
438
439 acpi_os_printf("(R%d)", obj_desc->common.reference_count);
440
441 switch (type) {
442 case ACPI_TYPE_METHOD:
443
444 /* Name is a Method and its AML offset/length are set */
445
446 acpi_os_printf(" M:%p-%X\n", obj_desc->method.aml_start,
447 obj_desc->method.aml_length);
448 break;
449
450 case ACPI_TYPE_INTEGER:
451
452 acpi_os_printf(" I:%8.8X8.8%X\n",
453 ACPI_FORMAT_UINT64(obj_desc->integer.
454 value));
455 break;
456
457 case ACPI_TYPE_STRING:
458
459 acpi_os_printf(" S:%p-%X\n", obj_desc->string.pointer,
460 obj_desc->string.length);
461 break;
462
463 case ACPI_TYPE_BUFFER:
464
465 acpi_os_printf(" B:%p-%X\n", obj_desc->buffer.pointer,
466 obj_desc->buffer.length);
467 break;
468
469 default:
470
471 acpi_os_printf("\n");
472 break;
473 }
474 break;
475
476 default:
477 acpi_os_printf("\n");
478 break;
479 }
480
481 /* If debug turned off, done */
482
483 if (!(acpi_dbg_level & ACPI_LV_VALUES)) {
484 return (AE_OK);
485 }
486
487 /* If there is an attached object, display it */
488
489 dbg_level = acpi_dbg_level;
490 acpi_dbg_level = 0;
491 obj_desc = acpi_ns_get_attached_object(this_node);
492 acpi_dbg_level = dbg_level;
493
494 /* Dump attached objects */
495
496 while (obj_desc) {
497 obj_type = ACPI_TYPE_INVALID;
498 acpi_os_printf("Attached Object %p: ", obj_desc);
499
500 /* Decode the type of attached object and dump the contents */
501
502 switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
503 case ACPI_DESC_TYPE_NAMED:
504
505 acpi_os_printf("(Ptr to Node)\n");
506 bytes_to_dump = sizeof(struct acpi_namespace_node);
507 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
508 break;
509
510 case ACPI_DESC_TYPE_OPERAND:
511
512 obj_type = ACPI_GET_OBJECT_TYPE(obj_desc);
513
514 if (obj_type > ACPI_TYPE_LOCAL_MAX) {
515 acpi_os_printf
516 ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
517 obj_type);
518 bytes_to_dump = 32;
519 } else {
520 acpi_os_printf
521 ("(Pointer to ACPI Object type %.2X [%s])\n",
522 obj_type, acpi_ut_get_type_name(obj_type));
523 bytes_to_dump =
524 sizeof(union acpi_operand_object);
525 }
526
527 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
528 break;
529
530 default:
531
532 break;
533 }
534
535 /* If value is NOT an internal object, we are done */
536
537 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) !=
538 ACPI_DESC_TYPE_OPERAND) {
539 goto cleanup;
540 }
541
542 /*
543 * Valid object, get the pointer to next level, if any
544 */
545 switch (obj_type) {
546 case ACPI_TYPE_BUFFER:
547 case ACPI_TYPE_STRING:
548 /*
549 * NOTE: takes advantage of common fields between string/buffer
550 */
551 bytes_to_dump = obj_desc->string.length;
552 obj_desc = (void *)obj_desc->string.pointer;
553 acpi_os_printf("(Buffer/String pointer %p length %X)\n",
554 obj_desc, bytes_to_dump);
555 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
556 goto cleanup;
557
558 case ACPI_TYPE_BUFFER_FIELD:
559 obj_desc =
560 (union acpi_operand_object *)obj_desc->buffer_field.
561 buffer_obj;
562 break;
563
564 case ACPI_TYPE_PACKAGE:
565 obj_desc = (void *)obj_desc->package.elements;
566 break;
567
568 case ACPI_TYPE_METHOD:
569 obj_desc = (void *)obj_desc->method.aml_start;
570 break;
571
572 case ACPI_TYPE_LOCAL_REGION_FIELD:
573 obj_desc = (void *)obj_desc->field.region_obj;
574 break;
575
576 case ACPI_TYPE_LOCAL_BANK_FIELD:
577 obj_desc = (void *)obj_desc->bank_field.region_obj;
578 break;
579
580 case ACPI_TYPE_LOCAL_INDEX_FIELD:
581 obj_desc = (void *)obj_desc->index_field.index_obj;
582 break;
583
584 default:
585 goto cleanup;
586 }
587
588 obj_type = ACPI_TYPE_INVALID; /* Terminate loop after next pass */
589 }
590
591 cleanup:
592 acpi_os_printf("\n");
593 return (AE_OK);
594 }
595
596 #ifdef ACPI_FUTURE_USAGE
597 /*******************************************************************************
598 *
599 * FUNCTION: acpi_ns_dump_objects
600 *
601 * PARAMETERS: Type - Object type to be dumped
602 * display_type - 0 or ACPI_DISPLAY_SUMMARY
603 * max_depth - Maximum depth of dump. Use ACPI_UINT32_MAX
604 * for an effectively unlimited depth.
605 * owner_id - Dump only objects owned by this ID. Use
606 * ACPI_UINT32_MAX to match all owners.
607 * start_handle - Where in namespace to start/end search
608 *
609 * RETURN: None
610 *
611 * DESCRIPTION: Dump typed objects within the loaded namespace.
612 * Uses acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
613 *
614 ******************************************************************************/
615
616 void
617 acpi_ns_dump_objects(acpi_object_type type,
618 u8 display_type,
619 u32 max_depth,
620 acpi_owner_id owner_id, acpi_handle start_handle)
621 {
622 struct acpi_walk_info info;
623
624 ACPI_FUNCTION_ENTRY();
625
626 info.debug_level = ACPI_LV_TABLES;
627 info.owner_id = owner_id;
628 info.display_type = display_type;
629
630 (void)acpi_ns_walk_namespace(type, start_handle, max_depth,
631 ACPI_NS_WALK_NO_UNLOCK |
632 ACPI_NS_WALK_TEMP_NODES,
633 acpi_ns_dump_one_object, (void *)&info,
634 NULL);
635 }
636 #endif /* ACPI_FUTURE_USAGE */
637
638 /*******************************************************************************
639 *
640 * FUNCTION: acpi_ns_dump_entry
641 *
642 * PARAMETERS: Handle - Node to be dumped
643 * debug_level - Output level
644 *
645 * RETURN: None
646 *
647 * DESCRIPTION: Dump a single Node
648 *
649 ******************************************************************************/
650
651 void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level)
652 {
653 struct acpi_walk_info info;
654
655 ACPI_FUNCTION_ENTRY();
656
657 info.debug_level = debug_level;
658 info.owner_id = ACPI_OWNER_ID_MAX;
659 info.display_type = ACPI_DISPLAY_SUMMARY;
660
661 (void)acpi_ns_dump_one_object(handle, 1, &info, NULL);
662 }
663
664 #ifdef ACPI_ASL_COMPILER
665 /*******************************************************************************
666 *
667 * FUNCTION: acpi_ns_dump_tables
668 *
669 * PARAMETERS: search_base - Root of subtree to be dumped, or
670 * NS_ALL to dump the entire namespace
671 * max_depth - Maximum depth of dump. Use INT_MAX
672 * for an effectively unlimited depth.
673 *
674 * RETURN: None
675 *
676 * DESCRIPTION: Dump the name space, or a portion of it.
677 *
678 ******************************************************************************/
679
680 void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
681 {
682 acpi_handle search_handle = search_base;
683
684 ACPI_FUNCTION_TRACE(ns_dump_tables);
685
686 if (!acpi_gbl_root_node) {
687 /*
688 * If the name space has not been initialized,
689 * there is nothing to dump.
690 */
691 ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
692 "namespace not initialized!\n"));
693 return_VOID;
694 }
695
696 if (ACPI_NS_ALL == search_base) {
697
698 /* Entire namespace */
699
700 search_handle = acpi_gbl_root_node;
701 ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "\\\n"));
702 }
703
704 acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth,
705 ACPI_OWNER_ID_MAX, search_handle);
706 return_VOID;
707 }
708 #endif /* _ACPI_ASL_COMPILER */
709 #endif /* defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) */
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