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[PATCH] W1: w1_netlink: New init/fini netlink callbacks.
[linux-2.6/verdex.git] / drivers / acpi / namespace / nsdump.c
blob9faf1d5c86ed8179ecdd7210df20f81d22b11d2a
1 /******************************************************************************
2 *
3 * Module Name: nsdump - table dumping routines for debug
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2005, R. Byron Moore
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 <acpi/acnamesp.h>
46 #include <acpi/acparser.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 acpi_native_uint 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 /* Indent the object according to the level */
195
196 acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " ");
197
198 /* Check the node type and name */
199
200 if (type > ACPI_TYPE_LOCAL_MAX) {
201 ACPI_REPORT_WARNING(("Invalid ACPI Type %08X\n", type));
202 }
203
204 if (!acpi_ut_valid_acpi_name(this_node->name.integer)) {
205 ACPI_REPORT_WARNING(("Invalid ACPI Name %08X\n",
206 this_node->name.integer));
207 }
208
209 acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node));
210 }
211
212 /*
213 * Now we can print out the pertinent information
214 */
215 acpi_os_printf(" %-12s %p ", acpi_ut_get_type_name(type), this_node);
216
217 dbg_level = acpi_dbg_level;
218 acpi_dbg_level = 0;
219 obj_desc = acpi_ns_get_attached_object(this_node);
220 acpi_dbg_level = dbg_level;
221
222 switch (info->display_type & ACPI_DISPLAY_MASK) {
223 case ACPI_DISPLAY_SUMMARY:
224
225 if (!obj_desc) {
226 /* No attached object, we are done */
227
228 acpi_os_printf("\n");
229 return (AE_OK);
230 }
231
232 switch (type) {
233 case ACPI_TYPE_PROCESSOR:
234
235 acpi_os_printf("ID %X Len %.4X Addr %p\n",
236 obj_desc->processor.proc_id,
237 obj_desc->processor.length,
238 (char *)obj_desc->processor.address);
239 break;
240
241 case ACPI_TYPE_DEVICE:
242
243 acpi_os_printf("Notify Object: %p\n", obj_desc);
244 break;
245
246 case ACPI_TYPE_METHOD:
247
248 acpi_os_printf("Args %X Len %.4X Aml %p\n",
249 (u32) obj_desc->method.param_count,
250 obj_desc->method.aml_length,
251 obj_desc->method.aml_start);
252 break;
253
254 case ACPI_TYPE_INTEGER:
255
256 acpi_os_printf("= %8.8X%8.8X\n",
257 ACPI_FORMAT_UINT64(obj_desc->integer.
258 value));
259 break;
260
261 case ACPI_TYPE_PACKAGE:
262
263 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
264 acpi_os_printf("Elements %.2X\n",
265 obj_desc->package.count);
266 } else {
267 acpi_os_printf("[Length not yet evaluated]\n");
268 }
269 break;
270
271 case ACPI_TYPE_BUFFER:
272
273 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
274 acpi_os_printf("Len %.2X",
275 obj_desc->buffer.length);
276
277 /* Dump some of the buffer */
278
279 if (obj_desc->buffer.length > 0) {
280 acpi_os_printf(" =");
281 for (i = 0;
282 (i < obj_desc->buffer.length
283 && i < 12); i++) {
284 acpi_os_printf(" %.2hX",
285 obj_desc->buffer.
286 pointer[i]);
287 }
288 }
289 acpi_os_printf("\n");
290 } else {
291 acpi_os_printf("[Length not yet evaluated]\n");
292 }
293 break;
294
295 case ACPI_TYPE_STRING:
296
297 acpi_os_printf("Len %.2X ", obj_desc->string.length);
298 acpi_ut_print_string(obj_desc->string.pointer, 32);
299 acpi_os_printf("\n");
300 break;
301
302 case ACPI_TYPE_REGION:
303
304 acpi_os_printf("[%s]",
305 acpi_ut_get_region_name(obj_desc->region.
306 space_id));
307 if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
308 acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n",
309 ACPI_FORMAT_UINT64(obj_desc->
310 region.
311 address),
312 obj_desc->region.length);
313 } else {
314 acpi_os_printf
315 (" [Address/Length not yet evaluated]\n");
316 }
317 break;
318
319 case ACPI_TYPE_LOCAL_REFERENCE:
320
321 acpi_os_printf("[%s]\n",
322 acpi_ps_get_opcode_name(obj_desc->
323 reference.
324 opcode));
325 break;
326
327 case ACPI_TYPE_BUFFER_FIELD:
328
329 if (obj_desc->buffer_field.buffer_obj &&
330 obj_desc->buffer_field.buffer_obj->buffer.node) {
331 acpi_os_printf("Buf [%4.4s]",
332 acpi_ut_get_node_name(obj_desc->
333 buffer_field.
334 buffer_obj->
335 buffer.
336 node));
337 }
338 break;
339
340 case ACPI_TYPE_LOCAL_REGION_FIELD:
341
342 acpi_os_printf("Rgn [%4.4s]",
343 acpi_ut_get_node_name(obj_desc->
344 common_field.
345 region_obj->region.
346 node));
347 break;
348
349 case ACPI_TYPE_LOCAL_BANK_FIELD:
350
351 acpi_os_printf("Rgn [%4.4s] Bnk [%4.4s]",
352 acpi_ut_get_node_name(obj_desc->
353 common_field.
354 region_obj->region.
355 node),
356 acpi_ut_get_node_name(obj_desc->
357 bank_field.
358 bank_obj->
359 common_field.
360 node));
361 break;
362
363 case ACPI_TYPE_LOCAL_INDEX_FIELD:
364
365 acpi_os_printf("Idx [%4.4s] Dat [%4.4s]",
366 acpi_ut_get_node_name(obj_desc->
367 index_field.
368 index_obj->
369 common_field.node),
370 acpi_ut_get_node_name(obj_desc->
371 index_field.
372 data_obj->
373 common_field.
374 node));
375 break;
376
377 case ACPI_TYPE_LOCAL_ALIAS:
378 case ACPI_TYPE_LOCAL_METHOD_ALIAS:
379
380 acpi_os_printf("Target %4.4s (%p)\n",
381 acpi_ut_get_node_name(obj_desc),
382 obj_desc);
383 break;
384
385 default:
386
387 acpi_os_printf("Object %p\n", obj_desc);
388 break;
389 }
390
391 /* Common field handling */
392
393 switch (type) {
394 case ACPI_TYPE_BUFFER_FIELD:
395 case ACPI_TYPE_LOCAL_REGION_FIELD:
396 case ACPI_TYPE_LOCAL_BANK_FIELD:
397 case ACPI_TYPE_LOCAL_INDEX_FIELD:
398
399 acpi_os_printf(" Off %.3X Len %.2X Acc %.2hd\n",
400 (obj_desc->common_field.
401 base_byte_offset * 8)
402 +
403 obj_desc->common_field.
404 start_field_bit_offset,
405 obj_desc->common_field.bit_length,
406 obj_desc->common_field.
407 access_byte_width);
408 break;
409
410 default:
411 break;
412 }
413 break;
414
415 case ACPI_DISPLAY_OBJECTS:
416
417 acpi_os_printf("O:%p", obj_desc);
418 if (!obj_desc) {
419 /* No attached object, we are done */
420
421 acpi_os_printf("\n");
422 return (AE_OK);
423 }
424
425 acpi_os_printf("(R%d)", obj_desc->common.reference_count);
426
427 switch (type) {
428 case ACPI_TYPE_METHOD:
429
430 /* Name is a Method and its AML offset/length are set */
431
432 acpi_os_printf(" M:%p-%X\n", obj_desc->method.aml_start,
433 obj_desc->method.aml_length);
434 break;
435
436 case ACPI_TYPE_INTEGER:
437
438 acpi_os_printf(" I:%8.8X8.8%X\n",
439 ACPI_FORMAT_UINT64(obj_desc->integer.
440 value));
441 break;
442
443 case ACPI_TYPE_STRING:
444
445 acpi_os_printf(" S:%p-%X\n", obj_desc->string.pointer,
446 obj_desc->string.length);
447 break;
448
449 case ACPI_TYPE_BUFFER:
450
451 acpi_os_printf(" B:%p-%X\n", obj_desc->buffer.pointer,
452 obj_desc->buffer.length);
453 break;
454
455 default:
456
457 acpi_os_printf("\n");
458 break;
459 }
460 break;
461
462 default:
463 acpi_os_printf("\n");
464 break;
465 }
466
467 /* If debug turned off, done */
468
469 if (!(acpi_dbg_level & ACPI_LV_VALUES)) {
470 return (AE_OK);
471 }
472
473 /* If there is an attached object, display it */
474
475 dbg_level = acpi_dbg_level;
476 acpi_dbg_level = 0;
477 obj_desc = acpi_ns_get_attached_object(this_node);
478 acpi_dbg_level = dbg_level;
479
480 /* Dump attached objects */
481
482 while (obj_desc) {
483 obj_type = ACPI_TYPE_INVALID;
484 acpi_os_printf("Attached Object %p: ", obj_desc);
485
486 /* Decode the type of attached object and dump the contents */
487
488 switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
489 case ACPI_DESC_TYPE_NAMED:
490
491 acpi_os_printf("(Ptr to Node)\n");
492 bytes_to_dump = sizeof(struct acpi_namespace_node);
493 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
494 break;
495
496 case ACPI_DESC_TYPE_OPERAND:
497
498 obj_type = ACPI_GET_OBJECT_TYPE(obj_desc);
499
500 if (obj_type > ACPI_TYPE_LOCAL_MAX) {
501 acpi_os_printf
502 ("(Ptr to ACPI Object type %X [UNKNOWN])\n",
503 obj_type);
504 bytes_to_dump = 32;
505 } else {
506 acpi_os_printf
507 ("(Ptr to ACPI Object type %X [%s])\n",
508 obj_type, acpi_ut_get_type_name(obj_type));
509 bytes_to_dump =
510 sizeof(union acpi_operand_object);
511 }
512
513 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
514 break;
515
516 default:
517
518 break;
519 }
520
521 /* If value is NOT an internal object, we are done */
522
523 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) !=
524 ACPI_DESC_TYPE_OPERAND) {
525 goto cleanup;
526 }
527
528 /*
529 * Valid object, get the pointer to next level, if any
530 */
531 switch (obj_type) {
532 case ACPI_TYPE_BUFFER:
533 case ACPI_TYPE_STRING:
534 /*
535 * NOTE: takes advantage of common fields between string/buffer
536 */
537 bytes_to_dump = obj_desc->string.length;
538 obj_desc = (void *)obj_desc->string.pointer;
539 acpi_os_printf("(Buffer/String pointer %p length %X)\n",
540 obj_desc, bytes_to_dump);
541 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
542 goto cleanup;
543
544 case ACPI_TYPE_BUFFER_FIELD:
545 obj_desc =
546 (union acpi_operand_object *)obj_desc->buffer_field.
547 buffer_obj;
548 break;
549
550 case ACPI_TYPE_PACKAGE:
551 obj_desc = (void *)obj_desc->package.elements;
552 break;
553
554 case ACPI_TYPE_METHOD:
555 obj_desc = (void *)obj_desc->method.aml_start;
556 break;
557
558 case ACPI_TYPE_LOCAL_REGION_FIELD:
559 obj_desc = (void *)obj_desc->field.region_obj;
560 break;
561
562 case ACPI_TYPE_LOCAL_BANK_FIELD:
563 obj_desc = (void *)obj_desc->bank_field.region_obj;
564 break;
565
566 case ACPI_TYPE_LOCAL_INDEX_FIELD:
567 obj_desc = (void *)obj_desc->index_field.index_obj;
568 break;
569
570 default:
571 goto cleanup;
572 }
573
574 obj_type = ACPI_TYPE_INVALID; /* Terminate loop after next pass */
575 }
576
577 cleanup:
578 acpi_os_printf("\n");
579 return (AE_OK);
580 }
581
582 #ifdef ACPI_FUTURE_USAGE
583 /*******************************************************************************
584 *
585 * FUNCTION: acpi_ns_dump_objects
586 *
587 * PARAMETERS: Type - Object type to be dumped
588 * display_type - 0 or ACPI_DISPLAY_SUMMARY
589 * max_depth - Maximum depth of dump. Use ACPI_UINT32_MAX
590 * for an effectively unlimited depth.
591 * owner_id - Dump only objects owned by this ID. Use
592 * ACPI_UINT32_MAX to match all owners.
593 * start_handle - Where in namespace to start/end search
594 *
595 * RETURN: None
596 *
597 * DESCRIPTION: Dump typed objects within the loaded namespace.
598 * Uses acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
599 *
600 ******************************************************************************/
601
602 void
603 acpi_ns_dump_objects(acpi_object_type type,
604 u8 display_type,
605 u32 max_depth,
606 acpi_owner_id owner_id, acpi_handle start_handle)
607 {
608 struct acpi_walk_info info;
609
610 ACPI_FUNCTION_ENTRY();
611
612 info.debug_level = ACPI_LV_TABLES;
613 info.owner_id = owner_id;
614 info.display_type = display_type;
615
616 (void)acpi_ns_walk_namespace(type, start_handle, max_depth,
617 ACPI_NS_WALK_NO_UNLOCK,
618 acpi_ns_dump_one_object, (void *)&info,
619 NULL);
620 }
621 #endif /* ACPI_FUTURE_USAGE */
622
623 /*******************************************************************************
624 *
625 * FUNCTION: acpi_ns_dump_entry
626 *
627 * PARAMETERS: Handle - Node to be dumped
628 * debug_level - Output level
629 *
630 * RETURN: None
631 *
632 * DESCRIPTION: Dump a single Node
633 *
634 ******************************************************************************/
635
636 void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level)
637 {
638 struct acpi_walk_info info;
639
640 ACPI_FUNCTION_ENTRY();
641
642 info.debug_level = debug_level;
643 info.owner_id = ACPI_OWNER_ID_MAX;
644 info.display_type = ACPI_DISPLAY_SUMMARY;
645
646 (void)acpi_ns_dump_one_object(handle, 1, &info, NULL);
647 }
648
649 #ifdef ACPI_ASL_COMPILER
650 /*******************************************************************************
651 *
652 * FUNCTION: acpi_ns_dump_tables
653 *
654 * PARAMETERS: search_base - Root of subtree to be dumped, or
655 * NS_ALL to dump the entire namespace
656 * max_depth - Maximum depth of dump. Use INT_MAX
657 * for an effectively unlimited depth.
658 *
659 * RETURN: None
660 *
661 * DESCRIPTION: Dump the name space, or a portion of it.
662 *
663 ******************************************************************************/
664
665 void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
666 {
667 acpi_handle search_handle = search_base;
668
669 ACPI_FUNCTION_TRACE("ns_dump_tables");
670
671 if (!acpi_gbl_root_node) {
672 /*
673 * If the name space has not been initialized,
674 * there is nothing to dump.
675 */
676 ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
677 "namespace not initialized!\n"));
678 return_VOID;
679 }
680
681 if (ACPI_NS_ALL == search_base) {
682 /* Entire namespace */
683
684 search_handle = acpi_gbl_root_node;
685 ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "\\\n"));
686 }
687
688 acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth,
689 ACPI_OWNER_ID_MAX, search_handle);
690 return_VOID;
691 }
692 #endif /* _ACPI_ASL_COMPILER */
693 #endif /* defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) */
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