summaryrefslogtreecommitdiff
path: root/include/acpi/acpixf.h
blob: be7de305a62201593fa69ea5d04d8f7b59196979 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/******************************************************************************
 *
 * Name: acpixf.h - External interfaces to the ACPI subsystem
 *
 * Copyright (C) 2000 - 2020, Intel Corp.
 *
 *****************************************************************************/

#ifndef __ACXFACE_H__
#define __ACXFACE_H__

/* Current ACPICA subsystem version in YYYYMMDD format */

#define ACPI_CA_VERSION                 0x20200925

#include <acpi/acconfig.h>
#include <acpi/actypes.h>
#include <acpi/actbl.h>
#include <acpi/acbuffer.h>

/*****************************************************************************
 *
 * Macros used for ACPICA globals and configuration
 *
 ****************************************************************************/

/*
 * Ensure that global variables are defined and initialized only once.
 *
 * The use of these macros allows for a single list of globals (here)
 * in order to simplify maintenance of the code.
 */
#ifdef DEFINE_ACPI_GLOBALS
#define ACPI_GLOBAL(type,name) \
	extern type name; \
	type name

#define ACPI_INIT_GLOBAL(type,name,value) \
	type name=value

#else
#ifndef ACPI_GLOBAL
#define ACPI_GLOBAL(type,name) \
	extern type name
#endif

#ifndef ACPI_INIT_GLOBAL
#define ACPI_INIT_GLOBAL(type,name,value) \
	extern type name
#endif
#endif

/*
 * These macros configure the various ACPICA interfaces. They are
 * useful for generating stub inline functions for features that are
 * configured out of the current kernel or ACPICA application.
 */
#ifndef ACPI_EXTERNAL_RETURN_STATUS
#define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
	prototype;
#endif

#ifndef ACPI_EXTERNAL_RETURN_OK
#define ACPI_EXTERNAL_RETURN_OK(prototype) \
	prototype;
#endif

#ifndef ACPI_EXTERNAL_RETURN_VOID
#define ACPI_EXTERNAL_RETURN_VOID(prototype) \
	prototype;
#endif

#ifndef ACPI_EXTERNAL_RETURN_UINT32
#define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
	prototype;
#endif

#ifndef ACPI_EXTERNAL_RETURN_PTR
#define ACPI_EXTERNAL_RETURN_PTR(prototype) \
	prototype;
#endif

/*****************************************************************************
 *
 * Public globals and runtime configuration options
 *
 ****************************************************************************/

/*
 * Enable "slack mode" of the AML interpreter?  Default is FALSE, and the
 * interpreter strictly follows the ACPI specification. Setting to TRUE
 * allows the interpreter to ignore certain errors and/or bad AML constructs.
 *
 * Currently, these features are enabled by this flag:
 *
 * 1) Allow "implicit return" of last value in a control method
 * 2) Allow access beyond the end of an operation region
 * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
 * 4) Allow ANY object type to be a source operand for the Store() operator
 * 5) Allow unresolved references (invalid target name) in package objects
 * 6) Enable warning messages for behavior that is not ACPI spec compliant
 */
ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_interpreter_slack, FALSE);

/*
 * Automatically serialize all methods that create named objects? Default
 * is TRUE, meaning that all non_serialized methods are scanned once at
 * table load time to determine those that create named objects. Methods
 * that create named objects are marked Serialized in order to prevent
 * possible run-time problems if they are entered by more than one thread.
 */
ACPI_INIT_GLOBAL(u8, acpi_gbl_auto_serialize_methods, TRUE);

/*
 * Create the predefined _OSI method in the namespace? Default is TRUE
 * because ACPICA is fully compatible with other ACPI implementations.
 * Changing this will revert ACPICA (and machine ASL) to pre-OSI behavior.
 */
ACPI_INIT_GLOBAL(u8, acpi_gbl_create_osi_method, TRUE);

/*
 * Optionally use default values for the ACPI register widths. Set this to
 * TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
 */
ACPI_INIT_GLOBAL(u8, acpi_gbl_use_default_register_widths, TRUE);

/*
 * Whether or not to validate (map) an entire table to verify
 * checksum/duplication in early stage before install. Set this to TRUE to
 * allow early table validation before install it to the table manager.
 * Note that enabling this option causes errors to happen in some OSPMs
 * during early initialization stages. Default behavior is to allow such
 * validation.
 */
ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_table_validation, TRUE);

/*
 * Optionally enable output from the AML Debug Object.
 */
ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_aml_debug_object, FALSE);

/*
 * Optionally copy the entire DSDT to local memory (instead of simply
 * mapping it.) There are some BIOSs that corrupt or replace the original
 * DSDT, creating the need for this option. Default is FALSE, do not copy
 * the DSDT.
 */
ACPI_INIT_GLOBAL(u8, acpi_gbl_copy_dsdt_locally, FALSE);

/*
 * Optionally ignore an XSDT if present and use the RSDT instead.
 * Although the ACPI specification requires that an XSDT be used instead
 * of the RSDT, the XSDT has been found to be corrupt or ill-formed on
 * some machines. Default behavior is to use the XSDT if present.
 */
ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE);

/*
 * Optionally use 32-bit FADT addresses if and when there is a conflict
 * (address mismatch) between the 32-bit and 64-bit versions of the
 * address. Although ACPICA adheres to the ACPI specification which
 * requires the use of the corresponding 64-bit address if it is non-zero,
 * some machines have been found to have a corrupted non-zero 64-bit
 * address. Default is FALSE, do not favor the 32-bit addresses.
 */
ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, FALSE);

/*
 * Optionally use 32-bit FACS table addresses.
 * It is reported that some platforms fail to resume from system suspending
 * if 64-bit FACS table address is selected:
 * https://bugzilla.kernel.org/show_bug.cgi?id=74021
 * Default is TRUE, favor the 32-bit addresses.
 */
ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_facs_addresses, TRUE);

/*
 * Optionally truncate I/O addresses to 16 bits. Provides compatibility
 * with other ACPI implementations. NOTE: During ACPICA initialization,
 * this value is set to TRUE if any Windows OSI strings have been
 * requested by the BIOS.
 */
ACPI_INIT_GLOBAL(u8, acpi_gbl_truncate_io_addresses, FALSE);

/*
 * Disable runtime checking and repair of values returned by control methods.
 * Use only if the repair is causing a problem on a particular machine.
 */
ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_auto_repair, FALSE);

/*
 * Optionally do not install any SSDTs from the RSDT/XSDT during initialization.
 * This can be useful for debugging ACPI problems on some machines.
 */
ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_ssdt_table_install, FALSE);

/*
 * Optionally enable runtime namespace override.
 */
ACPI_INIT_GLOBAL(u8, acpi_gbl_runtime_namespace_override, TRUE);

/*
 * We keep track of the latest version of Windows that has been requested by
 * the BIOS. ACPI 5.0.
 */
ACPI_INIT_GLOBAL(u8, acpi_gbl_osi_data, 0);

/*
 * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
 * that the ACPI hardware is no longer required. A flag in the FADT indicates
 * a reduced HW machine, and that flag is duplicated here for convenience.
 */
ACPI_INIT_GLOBAL(u8, acpi_gbl_reduced_hardware, FALSE);

/*
 * Maximum timeout for While() loop iterations before forced method abort.
 * This mechanism is intended to prevent infinite loops during interpreter
 * execution within a host kernel.
 */
ACPI_INIT_GLOBAL(u32, acpi_gbl_max_loop_iterations, ACPI_MAX_LOOP_TIMEOUT);

/*
 * Optionally ignore AE_NOT_FOUND errors from named reference package elements
 * during DSDT/SSDT table loading. This reduces error "noise" in platforms
 * whose firmware is carrying around a bunch of unused package objects that
 * refer to non-existent named objects. However, If the AML actually tries to
 * use such a package, the unresolved element(s) will be replaced with NULL
 * elements.
 */
ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_package_resolution_errors, FALSE);

/*
 * This mechanism is used to trace a specified AML method. The method is
 * traced each time it is executed.
 */
ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_flags, 0);
ACPI_INIT_GLOBAL(const char *, acpi_gbl_trace_method_name, NULL);
ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_level, ACPI_TRACE_LEVEL_DEFAULT);
ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_layer, ACPI_TRACE_LAYER_DEFAULT);

/*
 * Runtime configuration of debug output control masks. We want the debug
 * switches statically initialized so they are already set when the debugger
 * is entered.
 */
ACPI_INIT_GLOBAL(u32, acpi_dbg_level, ACPI_DEBUG_DEFAULT);
ACPI_INIT_GLOBAL(u32, acpi_dbg_layer, 0);

/* Optionally enable timer output with Debug Object output */

ACPI_INIT_GLOBAL(u8, acpi_gbl_display_debug_timer, FALSE);

/*
 * Debugger command handshake globals. Host OSes need to access these
 * variables to implement their own command handshake mechanism.
 */
#ifdef ACPI_DEBUGGER
ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE);
ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]);
#endif

/*
 * Other miscellaneous globals
 */
ACPI_GLOBAL(struct acpi_table_fadt, acpi_gbl_FADT);
ACPI_GLOBAL(u32, acpi_current_gpe_count);
ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running);

/*****************************************************************************
 *
 * ACPICA public interface configuration.
 *
 * Interfaces that are configured out of the ACPICA build are replaced
 * by inlined stubs by default.
 *
 ****************************************************************************/

/*
 * Hardware-reduced prototypes (default: Not hardware reduced).
 *
 * All ACPICA hardware-related interfaces that use these macros will be
 * configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
 * is set to TRUE.
 *
 * Note: This static build option for reduced hardware is intended to
 * reduce ACPICA code size if desired or necessary. However, even if this
 * option is not specified, the runtime behavior of ACPICA is dependent
 * on the actual FADT reduced hardware flag (HW_REDUCED_ACPI). If set,
 * the flag will enable similar behavior -- ACPICA will not attempt
 * to access any ACPI-relate hardware (SCI, GPEs, Fixed Events, etc.)
 */
#if (!ACPI_REDUCED_HARDWARE)
#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
	ACPI_EXTERNAL_RETURN_STATUS(prototype)

#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
	ACPI_EXTERNAL_RETURN_OK(prototype)

#define ACPI_HW_DEPENDENT_RETURN_UINT32(prototype) \
	ACPI_EXTERNAL_RETURN_UINT32(prototype)

#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
	ACPI_EXTERNAL_RETURN_VOID(prototype)

#else
#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
	static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}

#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
	static ACPI_INLINE prototype {return(AE_OK);}

#define ACPI_HW_DEPENDENT_RETURN_UINT32(prototype) \
	static ACPI_INLINE prototype {return(0);}

#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
	static ACPI_INLINE prototype {return;}

#endif				/* !ACPI_REDUCED_HARDWARE */

/*
 * Error message prototypes (default: error messages enabled).
 *
 * All interfaces related to error and warning messages
 * will be configured out of the ACPICA build if the
 * ACPI_NO_ERROR_MESSAGE flag is defined.
 */
#ifndef ACPI_NO_ERROR_MESSAGES
#define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
	prototype;

#else
#define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
	static ACPI_INLINE prototype {return;}

#endif				/* ACPI_NO_ERROR_MESSAGES */

/*
 * Debugging output prototypes (default: no debug output).
 *
 * All interfaces related to debug output messages
 * will be configured out of the ACPICA build unless the
 * ACPI_DEBUG_OUTPUT flag is defined.
 */
#ifdef ACPI_DEBUG_OUTPUT
#define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
	prototype;

#else
#define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
	static ACPI_INLINE prototype {return;}

#endif				/* ACPI_DEBUG_OUTPUT */

/*
 * Application prototypes
 *
 * All interfaces used by application will be configured
 * out of the ACPICA build unless the ACPI_APPLICATION
 * flag is defined.
 */
#ifdef ACPI_APPLICATION
#define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
	prototype;

#else
#define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
	static ACPI_INLINE prototype {return;}

#endif				/* ACPI_APPLICATION */

/*
 * Debugger prototypes
 *
 * All interfaces used by debugger will be configured
 * out of the ACPICA build unless the ACPI_DEBUGGER
 * flag is defined.
 */
#ifdef ACPI_DEBUGGER
#define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
	ACPI_EXTERNAL_RETURN_OK(prototype)

#define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
	ACPI_EXTERNAL_RETURN_VOID(prototype)

#else
#define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
	static ACPI_INLINE prototype {return(AE_OK);}

#define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
	static ACPI_INLINE prototype {return;}

#endif				/* ACPI_DEBUGGER */

/*****************************************************************************
 *
 * ACPICA public interface prototypes
 *
 ****************************************************************************/

/*
 * Initialization
 */
ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
			    acpi_initialize_tables(struct acpi_table_desc
						   *initial_storage,
						   u32 initial_table_count,
						   u8 allow_resize))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
			     acpi_initialize_subsystem(void))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
			     acpi_enable_subsystem(u32 flags))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
			     acpi_initialize_objects(u32 flags))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
			     acpi_terminate(void))

/*
 * Miscellaneous global interfaces
 */
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_subsystem_status(void))

ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_get_system_info(struct acpi_buffer
						 *ret_buffer))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_get_statistics(struct acpi_statistics *stats))
ACPI_EXTERNAL_RETURN_PTR(const char
			  *acpi_format_exception(acpi_status exception))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_purge_cached_objects(void))

ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_install_interface(acpi_string interface_name))

ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_remove_interface(acpi_string interface_name))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_update_interfaces(u8 action))

ACPI_EXTERNAL_RETURN_UINT32(u32
			    acpi_check_address_range(acpi_adr_space_type
						     space_id,
						     acpi_physical_address
						     address, acpi_size length,
						     u8 warn))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_decode_pld_buffer(u8 *in_buffer,
						    acpi_size length,
						    struct acpi_pld_info
						    **return_buffer))

/*
 * ACPI table load/unload interfaces
 */
ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
			    acpi_install_table(acpi_physical_address address,
					       u8 physical))

ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_load_table(struct acpi_table_header *table,
					    u32 *table_idx))

ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_unload_table(u32 table_index))

ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_unload_parent_table(acpi_handle object))

ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
			    acpi_load_tables(void))

/*
 * ACPI table manipulation interfaces
 */
ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
			    acpi_reallocate_root_table(void))

ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
			    acpi_find_root_pointer(acpi_physical_address
						   *rsdp_address))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_get_table_header(acpi_string signature,
						   u32 instance,
						   struct acpi_table_header
						   *out_table_header))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_get_table(acpi_string signature, u32 instance,
					    struct acpi_table_header
					    **out_table))
ACPI_EXTERNAL_RETURN_VOID(void acpi_put_table(struct acpi_table_header *table))

ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_get_table_by_index(u32 table_index,
						    struct acpi_table_header
						    **out_table))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_install_table_handler(acpi_table_handler
							handler, void *context))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_remove_table_handler(acpi_table_handler
						       handler))

/*
 * Namespace and name interfaces
 */
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_walk_namespace(acpi_object_type type,
						acpi_handle start_object,
						u32 max_depth,
						acpi_walk_callback
						descending_callback,
						acpi_walk_callback
						ascending_callback,
						void *context,
						void **return_value))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_get_devices(const char *HID,
					      acpi_walk_callback user_function,
					      void *context,
					      void **return_value))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_get_name(acpi_handle object, u32 name_type,
					   struct acpi_buffer *ret_path_ptr))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_get_handle(acpi_handle parent,
					     acpi_string pathname,
					     acpi_handle *ret_handle))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_attach_data(acpi_handle object,
					      acpi_object_handler handler,
					      void *data))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_detach_data(acpi_handle object,
					      acpi_object_handler handler))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_get_data(acpi_handle object,
					   acpi_object_handler handler,
					   void **data))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_debug_trace(const char *name, u32 debug_level,
					      u32 debug_layer, u32 flags))

/*
 * Object manipulation and enumeration
 */
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_evaluate_object(acpi_handle object,
						 acpi_string pathname,
						 struct acpi_object_list
						 *parameter_objects,
						 struct acpi_buffer
						 *return_object_buffer))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_evaluate_object_typed(acpi_handle object,
							acpi_string pathname,
							struct acpi_object_list
							*external_params,
							struct acpi_buffer
							*return_buffer,
							acpi_object_type
							return_type))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_get_object_info(acpi_handle object,
						  struct acpi_device_info
						  **return_buffer))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_install_method(u8 *buffer))

ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_get_next_object(acpi_object_type type,
						 acpi_handle parent,
						 acpi_handle child,
						 acpi_handle *out_handle))

ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_get_type(acpi_handle object,
					  acpi_object_type *out_type))

ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_get_parent(acpi_handle object,
					    acpi_handle *out_handle))

/*
 * Handler interfaces
 */
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_install_initialization_handler
			    (acpi_init_handler handler, u32 function))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				 acpi_install_sci_handler(acpi_sci_handler
							  address,
							  void *context))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				 acpi_remove_sci_handler(acpi_sci_handler
							 address))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				 acpi_install_global_event_handler
				 (acpi_gbl_event_handler handler,
				  void *context))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				 acpi_install_fixed_event_handler(u32
								  acpi_event,
								  acpi_event_handler
								  handler,
								  void
								  *context))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				 acpi_remove_fixed_event_handler(u32 acpi_event,
								 acpi_event_handler
								 handler))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				 acpi_install_gpe_handler(acpi_handle
							  gpe_device,
							  u32 gpe_number,
							  u32 type,
							  acpi_gpe_handler
							  address,
							  void *context))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				 acpi_install_gpe_raw_handler(acpi_handle
							      gpe_device,
							      u32 gpe_number,
							      u32 type,
							      acpi_gpe_handler
							      address,
							      void *context))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				 acpi_remove_gpe_handler(acpi_handle gpe_device,
							 u32 gpe_number,
							 acpi_gpe_handler
							 address))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_install_notify_handler(acpi_handle device,
							 u32 handler_type,
							 acpi_notify_handler
							 handler,
							 void *context))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_remove_notify_handler(acpi_handle device,
							u32 handler_type,
							acpi_notify_handler
							handler))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_install_address_space_handler(acpi_handle
								device,
								acpi_adr_space_type
								space_id,
								acpi_adr_space_handler
								handler,
								acpi_adr_space_setup
								setup,
								void *context))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_remove_address_space_handler(acpi_handle
							       device,
							       acpi_adr_space_type
							       space_id,
							       acpi_adr_space_handler
							       handler))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_install_exception_handler
			     (acpi_exception_handler handler))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_install_interface_handler
			     (acpi_interface_handler handler))

/*
 * Global Lock interfaces
 */
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_acquire_global_lock(u16 timeout,
							 u32 *handle))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_release_global_lock(u32 handle))

/*
 * Interfaces to AML mutex objects
 */
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_acquire_mutex(acpi_handle handle,
					       acpi_string pathname,
					       u16 timeout))

ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_release_mutex(acpi_handle handle,
					       acpi_string pathname))

/*
 * Fixed Event interfaces
 */
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_enable_event(u32 event, u32 flags))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_disable_event(u32 event, u32 flags))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_get_event_status(u32 event,
						      acpi_event_status
						      *event_status))

/*
 * General Purpose Event (GPE) Interfaces
 */
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_enable_gpe(acpi_handle gpe_device,
						u32 gpe_number))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_disable_gpe(acpi_handle gpe_device,
						 u32 gpe_number))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_clear_gpe(acpi_handle gpe_device,
					       u32 gpe_number))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_set_gpe(acpi_handle gpe_device,
					     u32 gpe_number, u8 action))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_finish_gpe(acpi_handle gpe_device,
						u32 gpe_number))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_mask_gpe(acpi_handle gpe_device,
					      u32 gpe_number, u8 is_masked))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_mark_gpe_for_wake(acpi_handle gpe_device,
						       u32 gpe_number))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_setup_gpe_for_wake(acpi_handle
							parent_device,
							acpi_handle gpe_device,
							u32 gpe_number))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				 acpi_set_gpe_wake_mask(acpi_handle gpe_device,
							u32 gpe_number,
							u8 action))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				 acpi_get_gpe_status(acpi_handle gpe_device,
						     u32 gpe_number,
						     acpi_event_status
						     *event_status))
ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_dispatch_gpe(acpi_handle gpe_device, u32 gpe_number))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))
ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_any_gpe_status_set(u32 gpe_skip_number))
ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_any_fixed_event_status_set(void))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_get_gpe_device(u32 gpe_index,
						    acpi_handle *gpe_device))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_install_gpe_block(acpi_handle gpe_device,
						       struct
						       acpi_generic_address
						       *gpe_block_address,
						       u32 register_count,
						       u32 interrupt_number))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				 acpi_remove_gpe_block(acpi_handle gpe_device))

/*
 * Resource interfaces
 */
typedef
acpi_status (*acpi_walk_resource_callback) (struct acpi_resource * resource,
					    void *context);

ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_get_vendor_resource(acpi_handle device,
						     char *name,
						     struct acpi_vendor_uuid
						     *uuid,
						     struct acpi_buffer
						     *ret_buffer))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_get_current_resources(acpi_handle device,
							struct acpi_buffer
							*ret_buffer))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_get_possible_resources(acpi_handle device,
							 struct acpi_buffer
							 *ret_buffer))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_get_event_resources(acpi_handle device_handle,
						      struct acpi_buffer
						      *ret_buffer))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_walk_resource_buffer(struct acpi_buffer
						       *buffer,
						       acpi_walk_resource_callback
						       user_function,
						       void *context))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_walk_resources(acpi_handle device, char *name,
						 acpi_walk_resource_callback
						 user_function, void *context))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_set_current_resources(acpi_handle device,
							struct acpi_buffer
							*in_buffer))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_get_irq_routing_table(acpi_handle device,
							struct acpi_buffer
							*ret_buffer))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_resource_to_address64(struct acpi_resource
							*resource,
							struct
							acpi_resource_address64
							*out))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			     acpi_buffer_to_resource(u8 *aml_buffer,
						     u16 aml_buffer_length,
						     struct acpi_resource
						     **resource_ptr))

/*
 * Hardware (ACPI device) interfaces
 */
ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_reset(void))

ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_read(u64 *value,
				      struct acpi_generic_address *reg))

ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_write(u64 value,
				       struct acpi_generic_address *reg))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_read_bit_register(u32 register_id,
						       u32 *return_value))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_write_bit_register(u32 register_id,
							u32 value))

/*
 * Sleep/Wake interfaces
 */
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_get_sleep_type_data(u8 sleep_state,
						     u8 *slp_typ_a,
						     u8 *slp_typ_b))

ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_enter_sleep_state_prep(u8 sleep_state))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_enter_sleep_state(u8 sleep_state))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enter_sleep_state_s4bios(void))

ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_leave_sleep_state_prep(u8 sleep_state))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_leave_sleep_state(u8 sleep_state))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_set_firmware_waking_vector
				(acpi_physical_address physical_address,
				 acpi_physical_address physical_address64))
/*
 * ACPI Timer interfaces
 */
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_get_timer_resolution(u32 *resolution))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))

ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
				acpi_get_timer_duration(u32 start_ticks,
							u32 end_ticks,
							u32 *time_elapsed))

/*
 * Error/Warning output
 */
ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
			       void ACPI_INTERNAL_VAR_XFACE
			       acpi_error(const char *module_name,
					  u32 line_number,
					  const char *format, ...))
ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
				void ACPI_INTERNAL_VAR_XFACE
				acpi_exception(const char *module_name,
					       u32 line_number,
					       acpi_status status,
					       const char *format, ...))
ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
				void ACPI_INTERNAL_VAR_XFACE
				acpi_warning(const char *module_name,
					     u32 line_number,
					     const char *format, ...))
ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(1)
				void ACPI_INTERNAL_VAR_XFACE
				acpi_info(const char *format, ...))
ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
				void ACPI_INTERNAL_VAR_XFACE
				acpi_bios_error(const char *module_name,
						u32 line_number,
						const char *format, ...))
ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
				void ACPI_INTERNAL_VAR_XFACE
				acpi_bios_exception(const char *module_name,
						    u32 line_number,
						    acpi_status status,
						    const char *format, ...))
ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
				void ACPI_INTERNAL_VAR_XFACE
				acpi_bios_warning(const char *module_name,
						  u32 line_number,
						  const char *format, ...))

/*
 * Debug output
 */
ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
			       void ACPI_INTERNAL_VAR_XFACE
			       acpi_debug_print(u32 requested_debug_level,
						u32 line_number,
						const char *function_name,
						const char *module_name,
						u32 component_id,
						const char *format, ...))
ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
				void ACPI_INTERNAL_VAR_XFACE
				acpi_debug_print_raw(u32 requested_debug_level,
						     u32 line_number,
						     const char *function_name,
						     const char *module_name,
						     u32 component_id,
						     const char *format, ...))

ACPI_DBG_DEPENDENT_RETURN_VOID(void
			       acpi_trace_point(acpi_trace_event_type type,
						u8 begin,
						u8 *aml, char *pathname))

acpi_status acpi_initialize_debugger(void);

void acpi_terminate_debugger(void);

/*
 * Divergences
 */
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
			    acpi_get_data_full(acpi_handle object,
					       acpi_object_handler handler,
					       void **data,
					       void (*callback)(void *)))

void acpi_run_debugger(char *batch_buffer);

void acpi_set_debugger_thread_id(acpi_thread_id thread_id);

#endif				/* __ACXFACE_H__ */