1 /******************************************************************************
3 * Module Name: nsdump - table dumping routines for debug
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2015, Intel Corp.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
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.
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.
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.
44 #include <acpi/acpi.h>
47 #include <acpi/acoutput.h>
49 #define _COMPONENT ACPI_NAMESPACE
50 ACPI_MODULE_NAME("nsdump")
52 /* Local prototypes */
53 #ifdef ACPI_OBSOLETE_FUNCTIONS
54 void acpi_ns_dump_root_devices(void);
57 acpi_ns_dump_one_device(acpi_handle obj_handle
,
58 u32 level
, void *context
, void **return_value
);
61 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
64 acpi_ns_dump_one_object_path(acpi_handle obj_handle
,
65 u32 level
, void *context
, void **return_value
);
68 acpi_ns_get_max_depth(acpi_handle obj_handle
,
69 u32 level
, void *context
, void **return_value
);
71 /*******************************************************************************
73 * FUNCTION: acpi_ns_print_pathname
75 * PARAMETERS: num_segments - Number of ACPI name segments
76 * pathname - The compressed (internal) path
80 * DESCRIPTION: Print an object's full namespace pathname
82 ******************************************************************************/
84 void acpi_ns_print_pathname(u32 num_segments
, char *pathname
)
88 ACPI_FUNCTION_NAME(ns_print_pathname
);
90 /* Check if debug output enabled */
92 if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_NAMES
, ACPI_NAMESPACE
)) {
96 /* Print the entire name */
98 ACPI_DEBUG_PRINT((ACPI_DB_NAMES
, "["));
100 while (num_segments
) {
101 for (i
= 0; i
< 4; i
++) {
102 isprint((int)pathname
[i
]) ?
103 acpi_os_printf("%c", pathname
[i
]) :
107 pathname
+= ACPI_NAME_SIZE
;
114 acpi_os_printf("]\n");
117 /*******************************************************************************
119 * FUNCTION: acpi_ns_dump_pathname
121 * PARAMETERS: handle - Object
122 * msg - Prefix message
123 * level - Desired debug level
124 * component - Caller's component ID
128 * DESCRIPTION: Print an object's full namespace pathname
129 * Manages allocation/freeing of a pathname buffer
131 ******************************************************************************/
134 acpi_ns_dump_pathname(acpi_handle handle
, char *msg
, u32 level
, u32 component
)
137 ACPI_FUNCTION_TRACE(ns_dump_pathname
);
139 /* Do this only if the requested debug level and component are enabled */
141 if (!ACPI_IS_DEBUG_ENABLED(level
, component
)) {
145 /* Convert handle to a full pathname and print it (with supplied message) */
147 acpi_ns_print_node_pathname(handle
, msg
);
148 acpi_os_printf("\n");
152 /*******************************************************************************
154 * FUNCTION: acpi_ns_dump_one_object
156 * PARAMETERS: obj_handle - Node to be dumped
157 * level - Nesting level of the handle
158 * context - Passed into walk_namespace
159 * return_value - Not used
163 * DESCRIPTION: Dump a single Node
164 * This procedure is a user_function called by acpi_ns_walk_namespace.
166 ******************************************************************************/
169 acpi_ns_dump_one_object(acpi_handle obj_handle
,
170 u32 level
, void *context
, void **return_value
)
172 struct acpi_walk_info
*info
= (struct acpi_walk_info
*)context
;
173 struct acpi_namespace_node
*this_node
;
174 union acpi_operand_object
*obj_desc
= NULL
;
175 acpi_object_type obj_type
;
176 acpi_object_type type
;
181 ACPI_FUNCTION_NAME(ns_dump_one_object
);
183 /* Is output enabled? */
185 if (!(acpi_dbg_level
& info
->debug_level
)) {
190 ACPI_DEBUG_PRINT((ACPI_DB_INFO
, "Null object handle\n"));
194 this_node
= acpi_ns_validate_handle(obj_handle
);
196 ACPI_DEBUG_PRINT((ACPI_DB_INFO
, "Invalid object handle %p\n",
201 type
= this_node
->type
;
203 /* Check if the owner matches */
205 if ((info
->owner_id
!= ACPI_OWNER_ID_MAX
) &&
206 (info
->owner_id
!= this_node
->owner_id
)) {
210 if (!(info
->display_type
& ACPI_DISPLAY_SHORT
)) {
212 /* Indent the object according to the level */
214 acpi_os_printf("%2d%*s", (u32
) level
- 1, (int)level
* 2, " ");
216 /* Check the node type and name */
218 if (type
> ACPI_TYPE_LOCAL_MAX
) {
219 ACPI_WARNING((AE_INFO
,
220 "Invalid ACPI Object Type 0x%08X", type
));
223 acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node
));
226 /* Now we can print out the pertinent information */
228 acpi_os_printf(" %-12s %p %2.2X ",
229 acpi_ut_get_type_name(type
), this_node
,
230 this_node
->owner_id
);
232 dbg_level
= acpi_dbg_level
;
234 obj_desc
= acpi_ns_get_attached_object(this_node
);
235 acpi_dbg_level
= dbg_level
;
237 /* Temp nodes are those nodes created by a control method */
239 if (this_node
->flags
& ANOBJ_TEMPORARY
) {
240 acpi_os_printf("(T) ");
243 switch (info
->display_type
& ACPI_DISPLAY_MASK
) {
244 case ACPI_DISPLAY_SUMMARY
:
248 /* No attached object. Some types should always have an object */
251 case ACPI_TYPE_INTEGER
:
252 case ACPI_TYPE_PACKAGE
:
253 case ACPI_TYPE_BUFFER
:
254 case ACPI_TYPE_STRING
:
255 case ACPI_TYPE_METHOD
:
257 acpi_os_printf("<No attached object>");
265 acpi_os_printf("\n");
270 case ACPI_TYPE_PROCESSOR
:
272 acpi_os_printf("ID %02X Len %02X Addr %8.8X%8.8X\n",
273 obj_desc
->processor
.proc_id
,
274 obj_desc
->processor
.length
,
275 ACPI_FORMAT_UINT64(obj_desc
->processor
.
279 case ACPI_TYPE_DEVICE
:
281 acpi_os_printf("Notify Object: %p\n", obj_desc
);
284 case ACPI_TYPE_METHOD
:
286 acpi_os_printf("Args %X Len %.4X Aml %p\n",
287 (u32
) obj_desc
->method
.param_count
,
288 obj_desc
->method
.aml_length
,
289 obj_desc
->method
.aml_start
);
292 case ACPI_TYPE_INTEGER
:
294 acpi_os_printf("= %8.8X%8.8X\n",
295 ACPI_FORMAT_UINT64(obj_desc
->integer
.
299 case ACPI_TYPE_PACKAGE
:
301 if (obj_desc
->common
.flags
& AOPOBJ_DATA_VALID
) {
302 acpi_os_printf("Elements %.2X\n",
303 obj_desc
->package
.count
);
305 acpi_os_printf("[Length not yet evaluated]\n");
309 case ACPI_TYPE_BUFFER
:
311 if (obj_desc
->common
.flags
& AOPOBJ_DATA_VALID
) {
312 acpi_os_printf("Len %.2X",
313 obj_desc
->buffer
.length
);
315 /* Dump some of the buffer */
317 if (obj_desc
->buffer
.length
> 0) {
318 acpi_os_printf(" =");
320 (i
< obj_desc
->buffer
.length
322 acpi_os_printf(" %.2hX",
327 acpi_os_printf("\n");
329 acpi_os_printf("[Length not yet evaluated]\n");
333 case ACPI_TYPE_STRING
:
335 acpi_os_printf("Len %.2X ", obj_desc
->string
.length
);
336 acpi_ut_print_string(obj_desc
->string
.pointer
, 32);
337 acpi_os_printf("\n");
340 case ACPI_TYPE_REGION
:
342 acpi_os_printf("[%s]",
343 acpi_ut_get_region_name(obj_desc
->region
.
345 if (obj_desc
->region
.flags
& AOPOBJ_DATA_VALID
) {
346 acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n",
347 ACPI_FORMAT_UINT64(obj_desc
->
350 obj_desc
->region
.length
);
353 (" [Address/Length not yet evaluated]\n");
357 case ACPI_TYPE_LOCAL_REFERENCE
:
359 acpi_os_printf("[%s]\n",
360 acpi_ut_get_reference_name(obj_desc
));
363 case ACPI_TYPE_BUFFER_FIELD
:
365 if (obj_desc
->buffer_field
.buffer_obj
&&
366 obj_desc
->buffer_field
.buffer_obj
->buffer
.node
) {
367 acpi_os_printf("Buf [%4.4s]",
368 acpi_ut_get_node_name(obj_desc
->
376 case ACPI_TYPE_LOCAL_REGION_FIELD
:
378 acpi_os_printf("Rgn [%4.4s]",
379 acpi_ut_get_node_name(obj_desc
->
385 case ACPI_TYPE_LOCAL_BANK_FIELD
:
387 acpi_os_printf("Rgn [%4.4s] Bnk [%4.4s]",
388 acpi_ut_get_node_name(obj_desc
->
392 acpi_ut_get_node_name(obj_desc
->
399 case ACPI_TYPE_LOCAL_INDEX_FIELD
:
401 acpi_os_printf("Idx [%4.4s] Dat [%4.4s]",
402 acpi_ut_get_node_name(obj_desc
->
406 acpi_ut_get_node_name(obj_desc
->
413 case ACPI_TYPE_LOCAL_ALIAS
:
414 case ACPI_TYPE_LOCAL_METHOD_ALIAS
:
416 acpi_os_printf("Target %4.4s (%p)\n",
417 acpi_ut_get_node_name(obj_desc
),
423 acpi_os_printf("Object %p\n", obj_desc
);
427 /* Common field handling */
430 case ACPI_TYPE_BUFFER_FIELD
:
431 case ACPI_TYPE_LOCAL_REGION_FIELD
:
432 case ACPI_TYPE_LOCAL_BANK_FIELD
:
433 case ACPI_TYPE_LOCAL_INDEX_FIELD
:
435 acpi_os_printf(" Off %.3X Len %.2X Acc %.2hd\n",
436 (obj_desc
->common_field
.
437 base_byte_offset
* 8)
439 obj_desc
->common_field
.
440 start_field_bit_offset
,
441 obj_desc
->common_field
.bit_length
,
442 obj_desc
->common_field
.
452 case ACPI_DISPLAY_OBJECTS
:
454 acpi_os_printf("O:%p", obj_desc
);
457 /* No attached object, we are done */
459 acpi_os_printf("\n");
463 acpi_os_printf("(R%u)", obj_desc
->common
.reference_count
);
466 case ACPI_TYPE_METHOD
:
468 /* Name is a Method and its AML offset/length are set */
470 acpi_os_printf(" M:%p-%X\n", obj_desc
->method
.aml_start
,
471 obj_desc
->method
.aml_length
);
474 case ACPI_TYPE_INTEGER
:
476 acpi_os_printf(" I:%8.8X8.8%X\n",
477 ACPI_FORMAT_UINT64(obj_desc
->integer
.
481 case ACPI_TYPE_STRING
:
483 acpi_os_printf(" S:%p-%X\n", obj_desc
->string
.pointer
,
484 obj_desc
->string
.length
);
487 case ACPI_TYPE_BUFFER
:
489 acpi_os_printf(" B:%p-%X\n", obj_desc
->buffer
.pointer
,
490 obj_desc
->buffer
.length
);
495 acpi_os_printf("\n");
501 acpi_os_printf("\n");
505 /* If debug turned off, done */
507 if (!(acpi_dbg_level
& ACPI_LV_VALUES
)) {
511 /* If there is an attached object, display it */
513 dbg_level
= acpi_dbg_level
;
515 obj_desc
= acpi_ns_get_attached_object(this_node
);
516 acpi_dbg_level
= dbg_level
;
518 /* Dump attached objects */
521 obj_type
= ACPI_TYPE_INVALID
;
522 acpi_os_printf("Attached Object %p: ", obj_desc
);
524 /* Decode the type of attached object and dump the contents */
526 switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc
)) {
527 case ACPI_DESC_TYPE_NAMED
:
529 acpi_os_printf("(Ptr to Node)\n");
530 bytes_to_dump
= sizeof(struct acpi_namespace_node
);
531 ACPI_DUMP_BUFFER(obj_desc
, bytes_to_dump
);
534 case ACPI_DESC_TYPE_OPERAND
:
536 obj_type
= obj_desc
->common
.type
;
538 if (obj_type
> ACPI_TYPE_LOCAL_MAX
) {
540 ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
545 ("(Pointer to ACPI Object type %.2X [%s])\n",
546 obj_type
, acpi_ut_get_type_name(obj_type
));
548 sizeof(union acpi_operand_object
);
551 ACPI_DUMP_BUFFER(obj_desc
, bytes_to_dump
);
559 /* If value is NOT an internal object, we are done */
561 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc
) !=
562 ACPI_DESC_TYPE_OPERAND
) {
566 /* Valid object, get the pointer to next level, if any */
569 case ACPI_TYPE_BUFFER
:
570 case ACPI_TYPE_STRING
:
572 * NOTE: takes advantage of common fields between string/buffer
574 bytes_to_dump
= obj_desc
->string
.length
;
575 obj_desc
= (void *)obj_desc
->string
.pointer
;
576 acpi_os_printf("(Buffer/String pointer %p length %X)\n",
577 obj_desc
, bytes_to_dump
);
578 ACPI_DUMP_BUFFER(obj_desc
, bytes_to_dump
);
581 case ACPI_TYPE_BUFFER_FIELD
:
584 (union acpi_operand_object
*)obj_desc
->buffer_field
.
588 case ACPI_TYPE_PACKAGE
:
590 obj_desc
= (void *)obj_desc
->package
.elements
;
593 case ACPI_TYPE_METHOD
:
595 obj_desc
= (void *)obj_desc
->method
.aml_start
;
598 case ACPI_TYPE_LOCAL_REGION_FIELD
:
600 obj_desc
= (void *)obj_desc
->field
.region_obj
;
603 case ACPI_TYPE_LOCAL_BANK_FIELD
:
605 obj_desc
= (void *)obj_desc
->bank_field
.region_obj
;
608 case ACPI_TYPE_LOCAL_INDEX_FIELD
:
610 obj_desc
= (void *)obj_desc
->index_field
.index_obj
;
618 obj_type
= ACPI_TYPE_INVALID
; /* Terminate loop after next pass */
622 acpi_os_printf("\n");
626 /*******************************************************************************
628 * FUNCTION: acpi_ns_dump_objects
630 * PARAMETERS: type - Object type to be dumped
631 * display_type - 0 or ACPI_DISPLAY_SUMMARY
632 * max_depth - Maximum depth of dump. Use ACPI_UINT32_MAX
633 * for an effectively unlimited depth.
634 * owner_id - Dump only objects owned by this ID. Use
635 * ACPI_UINT32_MAX to match all owners.
636 * start_handle - Where in namespace to start/end search
640 * DESCRIPTION: Dump typed objects within the loaded namespace. Uses
641 * acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
643 ******************************************************************************/
646 acpi_ns_dump_objects(acpi_object_type type
,
649 acpi_owner_id owner_id
, acpi_handle start_handle
)
651 struct acpi_walk_info info
;
654 ACPI_FUNCTION_ENTRY();
657 * Just lock the entire namespace for the duration of the dump.
658 * We don't want any changes to the namespace during this time,
659 * especially the temporary nodes since we are going to display
662 status
= acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE
);
663 if (ACPI_FAILURE(status
)) {
664 acpi_os_printf("Could not acquire namespace mutex\n");
668 info
.debug_level
= ACPI_LV_TABLES
;
669 info
.owner_id
= owner_id
;
670 info
.display_type
= display_type
;
672 (void)acpi_ns_walk_namespace(type
, start_handle
, max_depth
,
673 ACPI_NS_WALK_NO_UNLOCK
|
674 ACPI_NS_WALK_TEMP_NODES
,
675 acpi_ns_dump_one_object
, NULL
,
676 (void *)&info
, NULL
);
678 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE
);
681 /*******************************************************************************
683 * FUNCTION: acpi_ns_dump_one_object_path, acpi_ns_get_max_depth
685 * PARAMETERS: obj_handle - Node to be dumped
686 * level - Nesting level of the handle
687 * context - Passed into walk_namespace
688 * return_value - Not used
692 * DESCRIPTION: Dump the full pathname to a namespace object. acp_ns_get_max_depth
693 * computes the maximum nesting depth in the namespace tree, in
694 * order to simplify formatting in acpi_ns_dump_one_object_path.
695 * These procedures are user_functions called by acpi_ns_walk_namespace.
697 ******************************************************************************/
700 acpi_ns_dump_one_object_path(acpi_handle obj_handle
,
701 u32 level
, void *context
, void **return_value
)
703 u32 max_level
= *((u32
*)context
);
705 struct acpi_namespace_node
*node
;
712 node
= acpi_ns_validate_handle(obj_handle
);
715 /* Ignore bad node during namespace walk */
720 pathname
= acpi_ns_get_external_pathname(node
);
723 if (level
<= max_level
) {
724 path_indent
= max_level
- level
+ 1;
727 acpi_os_printf("%2d%*s%-12s%*s",
728 level
, level
, " ", acpi_ut_get_type_name(node
->type
),
731 acpi_os_printf("%s\n", &pathname
[1]);
737 acpi_ns_get_max_depth(acpi_handle obj_handle
,
738 u32 level
, void *context
, void **return_value
)
740 u32
*max_level
= (u32
*)context
;
742 if (level
> *max_level
) {
748 /*******************************************************************************
750 * FUNCTION: acpi_ns_dump_object_paths
752 * PARAMETERS: type - Object type to be dumped
753 * display_type - 0 or ACPI_DISPLAY_SUMMARY
754 * max_depth - Maximum depth of dump. Use ACPI_UINT32_MAX
755 * for an effectively unlimited depth.
756 * owner_id - Dump only objects owned by this ID. Use
757 * ACPI_UINT32_MAX to match all owners.
758 * start_handle - Where in namespace to start/end search
762 * DESCRIPTION: Dump full object pathnames within the loaded namespace. Uses
763 * acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object_path.
765 ******************************************************************************/
768 acpi_ns_dump_object_paths(acpi_object_type type
,
771 acpi_owner_id owner_id
, acpi_handle start_handle
)
776 ACPI_FUNCTION_ENTRY();
779 * Just lock the entire namespace for the duration of the dump.
780 * We don't want any changes to the namespace during this time,
781 * especially the temporary nodes since we are going to display
784 status
= acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE
);
785 if (ACPI_FAILURE(status
)) {
786 acpi_os_printf("Could not acquire namespace mutex\n");
790 /* Get the max depth of the namespace tree, for formatting later */
792 (void)acpi_ns_walk_namespace(type
, start_handle
, max_depth
,
793 ACPI_NS_WALK_NO_UNLOCK
|
794 ACPI_NS_WALK_TEMP_NODES
,
795 acpi_ns_get_max_depth
, NULL
,
796 (void *)&max_level
, NULL
);
798 /* Now dump the entire namespace */
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_dump_one_object_path
, NULL
,
804 (void *)&max_level
, NULL
);
806 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE
);
809 /*******************************************************************************
811 * FUNCTION: acpi_ns_dump_entry
813 * PARAMETERS: handle - Node to be dumped
814 * debug_level - Output level
818 * DESCRIPTION: Dump a single Node
820 ******************************************************************************/
822 void acpi_ns_dump_entry(acpi_handle handle
, u32 debug_level
)
824 struct acpi_walk_info info
;
826 ACPI_FUNCTION_ENTRY();
828 info
.debug_level
= debug_level
;
829 info
.owner_id
= ACPI_OWNER_ID_MAX
;
830 info
.display_type
= ACPI_DISPLAY_SUMMARY
;
832 (void)acpi_ns_dump_one_object(handle
, 1, &info
, NULL
);
835 #ifdef ACPI_ASL_COMPILER
836 /*******************************************************************************
838 * FUNCTION: acpi_ns_dump_tables
840 * PARAMETERS: search_base - Root of subtree to be dumped, or
841 * NS_ALL to dump the entire namespace
842 * max_depth - Maximum depth of dump. Use INT_MAX
843 * for an effectively unlimited depth.
847 * DESCRIPTION: Dump the name space, or a portion of it.
849 ******************************************************************************/
851 void acpi_ns_dump_tables(acpi_handle search_base
, u32 max_depth
)
853 acpi_handle search_handle
= search_base
;
855 ACPI_FUNCTION_TRACE(ns_dump_tables
);
857 if (!acpi_gbl_root_node
) {
859 * If the name space has not been initialized,
860 * there is nothing to dump.
862 ACPI_DEBUG_PRINT((ACPI_DB_TABLES
,
863 "namespace not initialized!\n"));
867 if (ACPI_NS_ALL
== search_base
) {
869 /* Entire namespace */
871 search_handle
= acpi_gbl_root_node
;
872 ACPI_DEBUG_PRINT((ACPI_DB_TABLES
, "\\\n"));
875 acpi_ns_dump_objects(ACPI_TYPE_ANY
, ACPI_DISPLAY_OBJECTS
, max_depth
,
876 ACPI_OWNER_ID_MAX
, search_handle
);