xref: /openbmc/linux/include/acpi/acpixf.h (revision 2359ccdd)
1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /******************************************************************************
3  *
4  * Name: acpixf.h - External interfaces to the ACPI subsystem
5  *
6  * Copyright (C) 2000 - 2018, Intel Corp.
7  *
8  *****************************************************************************/
9 
10 #ifndef __ACXFACE_H__
11 #define __ACXFACE_H__
12 
13 /* Current ACPICA subsystem version in YYYYMMDD format */
14 
15 #define ACPI_CA_VERSION                 0x20180313
16 
17 #include <acpi/acconfig.h>
18 #include <acpi/actypes.h>
19 #include <acpi/actbl.h>
20 #include <acpi/acbuffer.h>
21 
22 /*****************************************************************************
23  *
24  * Macros used for ACPICA globals and configuration
25  *
26  ****************************************************************************/
27 
28 /*
29  * Ensure that global variables are defined and initialized only once.
30  *
31  * The use of these macros allows for a single list of globals (here)
32  * in order to simplify maintenance of the code.
33  */
34 #ifdef DEFINE_ACPI_GLOBALS
35 #define ACPI_GLOBAL(type,name) \
36 	extern type name; \
37 	type name
38 
39 #define ACPI_INIT_GLOBAL(type,name,value) \
40 	type name=value
41 
42 #else
43 #ifndef ACPI_GLOBAL
44 #define ACPI_GLOBAL(type,name) \
45 	extern type name
46 #endif
47 
48 #ifndef ACPI_INIT_GLOBAL
49 #define ACPI_INIT_GLOBAL(type,name,value) \
50 	extern type name
51 #endif
52 #endif
53 
54 /*
55  * These macros configure the various ACPICA interfaces. They are
56  * useful for generating stub inline functions for features that are
57  * configured out of the current kernel or ACPICA application.
58  */
59 #ifndef ACPI_EXTERNAL_RETURN_STATUS
60 #define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
61 	prototype;
62 #endif
63 
64 #ifndef ACPI_EXTERNAL_RETURN_OK
65 #define ACPI_EXTERNAL_RETURN_OK(prototype) \
66 	prototype;
67 #endif
68 
69 #ifndef ACPI_EXTERNAL_RETURN_VOID
70 #define ACPI_EXTERNAL_RETURN_VOID(prototype) \
71 	prototype;
72 #endif
73 
74 #ifndef ACPI_EXTERNAL_RETURN_UINT32
75 #define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
76 	prototype;
77 #endif
78 
79 #ifndef ACPI_EXTERNAL_RETURN_PTR
80 #define ACPI_EXTERNAL_RETURN_PTR(prototype) \
81 	prototype;
82 #endif
83 
84 /*****************************************************************************
85  *
86  * Public globals and runtime configuration options
87  *
88  ****************************************************************************/
89 
90 /*
91  * Enable "slack mode" of the AML interpreter?  Default is FALSE, and the
92  * interpreter strictly follows the ACPI specification. Setting to TRUE
93  * allows the interpreter to ignore certain errors and/or bad AML constructs.
94  *
95  * Currently, these features are enabled by this flag:
96  *
97  * 1) Allow "implicit return" of last value in a control method
98  * 2) Allow access beyond the end of an operation region
99  * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
100  * 4) Allow ANY object type to be a source operand for the Store() operator
101  * 5) Allow unresolved references (invalid target name) in package objects
102  * 6) Enable warning messages for behavior that is not ACPI spec compliant
103  */
104 ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_interpreter_slack, FALSE);
105 
106 /*
107  * Automatically serialize all methods that create named objects? Default
108  * is TRUE, meaning that all non_serialized methods are scanned once at
109  * table load time to determine those that create named objects. Methods
110  * that create named objects are marked Serialized in order to prevent
111  * possible run-time problems if they are entered by more than one thread.
112  */
113 ACPI_INIT_GLOBAL(u8, acpi_gbl_auto_serialize_methods, TRUE);
114 
115 /*
116  * Create the predefined _OSI method in the namespace? Default is TRUE
117  * because ACPICA is fully compatible with other ACPI implementations.
118  * Changing this will revert ACPICA (and machine ASL) to pre-OSI behavior.
119  */
120 ACPI_INIT_GLOBAL(u8, acpi_gbl_create_osi_method, TRUE);
121 
122 /*
123  * Optionally use default values for the ACPI register widths. Set this to
124  * TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
125  */
126 ACPI_INIT_GLOBAL(u8, acpi_gbl_use_default_register_widths, TRUE);
127 
128 /*
129  * Whether or not to validate (map) an entire table to verify
130  * checksum/duplication in early stage before install. Set this to TRUE to
131  * allow early table validation before install it to the table manager.
132  * Note that enabling this option causes errors to happen in some OSPMs
133  * during early initialization stages. Default behavior is to allow such
134  * validation.
135  */
136 ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_table_validation, TRUE);
137 
138 /*
139  * Optionally enable output from the AML Debug Object.
140  */
141 ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_aml_debug_object, FALSE);
142 
143 /*
144  * Optionally copy the entire DSDT to local memory (instead of simply
145  * mapping it.) There are some BIOSs that corrupt or replace the original
146  * DSDT, creating the need for this option. Default is FALSE, do not copy
147  * the DSDT.
148  */
149 ACPI_INIT_GLOBAL(u8, acpi_gbl_copy_dsdt_locally, FALSE);
150 
151 /*
152  * Optionally ignore an XSDT if present and use the RSDT instead.
153  * Although the ACPI specification requires that an XSDT be used instead
154  * of the RSDT, the XSDT has been found to be corrupt or ill-formed on
155  * some machines. Default behavior is to use the XSDT if present.
156  */
157 ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE);
158 
159 /*
160  * Optionally support group module level code.
161  * NOTE, this is essentially obsolete and will be removed soon
162  * (01/2018).
163  */
164 ACPI_INIT_GLOBAL(u8, acpi_gbl_group_module_level_code, FALSE);
165 
166 /*
167  * Optionally support module level code by parsing an entire table as
168  * a method as it is loaded. Default is TRUE.
169  * NOTE, this is essentially obsolete and will be removed soon
170  * (01/2018).
171  */
172 ACPI_INIT_GLOBAL(u8, acpi_gbl_execute_tables_as_methods, TRUE);
173 
174 /*
175  * Optionally use 32-bit FADT addresses if and when there is a conflict
176  * (address mismatch) between the 32-bit and 64-bit versions of the
177  * address. Although ACPICA adheres to the ACPI specification which
178  * requires the use of the corresponding 64-bit address if it is non-zero,
179  * some machines have been found to have a corrupted non-zero 64-bit
180  * address. Default is FALSE, do not favor the 32-bit addresses.
181  */
182 ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, FALSE);
183 
184 /*
185  * Optionally use 32-bit FACS table addresses.
186  * It is reported that some platforms fail to resume from system suspending
187  * if 64-bit FACS table address is selected:
188  * https://bugzilla.kernel.org/show_bug.cgi?id=74021
189  * Default is TRUE, favor the 32-bit addresses.
190  */
191 ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_facs_addresses, TRUE);
192 
193 /*
194  * Optionally truncate I/O addresses to 16 bits. Provides compatibility
195  * with other ACPI implementations. NOTE: During ACPICA initialization,
196  * this value is set to TRUE if any Windows OSI strings have been
197  * requested by the BIOS.
198  */
199 ACPI_INIT_GLOBAL(u8, acpi_gbl_truncate_io_addresses, FALSE);
200 
201 /*
202  * Disable runtime checking and repair of values returned by control methods.
203  * Use only if the repair is causing a problem on a particular machine.
204  */
205 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_auto_repair, FALSE);
206 
207 /*
208  * Optionally do not install any SSDTs from the RSDT/XSDT during initialization.
209  * This can be useful for debugging ACPI problems on some machines.
210  */
211 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_ssdt_table_install, FALSE);
212 
213 /*
214  * Optionally enable runtime namespace override.
215  */
216 ACPI_INIT_GLOBAL(u8, acpi_gbl_runtime_namespace_override, TRUE);
217 
218 /*
219  * We keep track of the latest version of Windows that has been requested by
220  * the BIOS. ACPI 5.0.
221  */
222 ACPI_INIT_GLOBAL(u8, acpi_gbl_osi_data, 0);
223 
224 /*
225  * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
226  * that the ACPI hardware is no longer required. A flag in the FADT indicates
227  * a reduced HW machine, and that flag is duplicated here for convenience.
228  */
229 ACPI_INIT_GLOBAL(u8, acpi_gbl_reduced_hardware, FALSE);
230 
231 /*
232  * Maximum timeout for While() loop iterations before forced method abort.
233  * This mechanism is intended to prevent infinite loops during interpreter
234  * execution within a host kernel.
235  */
236 ACPI_INIT_GLOBAL(u32, acpi_gbl_max_loop_iterations, ACPI_MAX_LOOP_TIMEOUT);
237 
238 /*
239  * Optionally ignore AE_NOT_FOUND errors from named reference package elements
240  * during DSDT/SSDT table loading. This reduces error "noise" in platforms
241  * whose firmware is carrying around a bunch of unused package objects that
242  * refer to non-existent named objects. However, If the AML actually tries to
243  * use such a package, the unresolved element(s) will be replaced with NULL
244  * elements.
245  */
246 ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_package_resolution_errors, FALSE);
247 
248 /*
249  * This mechanism is used to trace a specified AML method. The method is
250  * traced each time it is executed.
251  */
252 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_flags, 0);
253 ACPI_INIT_GLOBAL(const char *, acpi_gbl_trace_method_name, NULL);
254 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_level, ACPI_TRACE_LEVEL_DEFAULT);
255 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_layer, ACPI_TRACE_LAYER_DEFAULT);
256 
257 /*
258  * Runtime configuration of debug output control masks. We want the debug
259  * switches statically initialized so they are already set when the debugger
260  * is entered.
261  */
262 ACPI_INIT_GLOBAL(u32, acpi_dbg_level, ACPI_DEBUG_DEFAULT);
263 ACPI_INIT_GLOBAL(u32, acpi_dbg_layer, 0);
264 
265 /* Optionally enable timer output with Debug Object output */
266 
267 ACPI_INIT_GLOBAL(u8, acpi_gbl_display_debug_timer, FALSE);
268 
269 /*
270  * Debugger command handshake globals. Host OSes need to access these
271  * variables to implement their own command handshake mechanism.
272  */
273 #ifdef ACPI_DEBUGGER
274 ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE);
275 ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]);
276 #endif
277 
278 /*
279  * Other miscellaneous globals
280  */
281 ACPI_GLOBAL(struct acpi_table_fadt, acpi_gbl_FADT);
282 ACPI_GLOBAL(u32, acpi_current_gpe_count);
283 ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running);
284 
285 /*****************************************************************************
286  *
287  * ACPICA public interface configuration.
288  *
289  * Interfaces that are configured out of the ACPICA build are replaced
290  * by inlined stubs by default.
291  *
292  ****************************************************************************/
293 
294 /*
295  * Hardware-reduced prototypes (default: Not hardware reduced).
296  *
297  * All ACPICA hardware-related interfaces that use these macros will be
298  * configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
299  * is set to TRUE.
300  *
301  * Note: This static build option for reduced hardware is intended to
302  * reduce ACPICA code size if desired or necessary. However, even if this
303  * option is not specified, the runtime behavior of ACPICA is dependent
304  * on the actual FADT reduced hardware flag (HW_REDUCED_ACPI). If set,
305  * the flag will enable similar behavior -- ACPICA will not attempt
306  * to access any ACPI-relate hardware (SCI, GPEs, Fixed Events, etc.)
307  */
308 #if (!ACPI_REDUCED_HARDWARE)
309 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
310 	ACPI_EXTERNAL_RETURN_STATUS(prototype)
311 
312 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
313 	ACPI_EXTERNAL_RETURN_OK(prototype)
314 
315 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
316 	ACPI_EXTERNAL_RETURN_VOID(prototype)
317 
318 #else
319 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
320 	static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
321 
322 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
323 	static ACPI_INLINE prototype {return(AE_OK);}
324 
325 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
326 	static ACPI_INLINE prototype {return;}
327 
328 #endif				/* !ACPI_REDUCED_HARDWARE */
329 
330 /*
331  * Error message prototypes (default: error messages enabled).
332  *
333  * All interfaces related to error and warning messages
334  * will be configured out of the ACPICA build if the
335  * ACPI_NO_ERROR_MESSAGE flag is defined.
336  */
337 #ifndef ACPI_NO_ERROR_MESSAGES
338 #define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
339 	prototype;
340 
341 #else
342 #define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
343 	static ACPI_INLINE prototype {return;}
344 
345 #endif				/* ACPI_NO_ERROR_MESSAGES */
346 
347 /*
348  * Debugging output prototypes (default: no debug output).
349  *
350  * All interfaces related to debug output messages
351  * will be configured out of the ACPICA build unless the
352  * ACPI_DEBUG_OUTPUT flag is defined.
353  */
354 #ifdef ACPI_DEBUG_OUTPUT
355 #define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
356 	prototype;
357 
358 #else
359 #define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
360 	static ACPI_INLINE prototype {return;}
361 
362 #endif				/* ACPI_DEBUG_OUTPUT */
363 
364 /*
365  * Application prototypes
366  *
367  * All interfaces used by application will be configured
368  * out of the ACPICA build unless the ACPI_APPLICATION
369  * flag is defined.
370  */
371 #ifdef ACPI_APPLICATION
372 #define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
373 	prototype;
374 
375 #else
376 #define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
377 	static ACPI_INLINE prototype {return;}
378 
379 #endif				/* ACPI_APPLICATION */
380 
381 /*
382  * Debugger prototypes
383  *
384  * All interfaces used by debugger will be configured
385  * out of the ACPICA build unless the ACPI_DEBUGGER
386  * flag is defined.
387  */
388 #ifdef ACPI_DEBUGGER
389 #define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
390 	ACPI_EXTERNAL_RETURN_OK(prototype)
391 
392 #define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
393 	ACPI_EXTERNAL_RETURN_VOID(prototype)
394 
395 #else
396 #define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
397 	static ACPI_INLINE prototype {return(AE_OK);}
398 
399 #define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
400 	static ACPI_INLINE prototype {return;}
401 
402 #endif				/* ACPI_DEBUGGER */
403 
404 /*****************************************************************************
405  *
406  * ACPICA public interface prototypes
407  *
408  ****************************************************************************/
409 
410 /*
411  * Initialization
412  */
413 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
414 			    acpi_initialize_tables(struct acpi_table_desc
415 						   *initial_storage,
416 						   u32 initial_table_count,
417 						   u8 allow_resize))
418 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
419 			     acpi_initialize_subsystem(void))
420 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
421 			     acpi_enable_subsystem(u32 flags))
422 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
423 			     acpi_initialize_objects(u32 flags))
424 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
425 			     acpi_terminate(void))
426 
427 /*
428  * Miscellaneous global interfaces
429  */
430 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
431 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
432 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_subsystem_status(void))
433 
434 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
435 			    acpi_get_system_info(struct acpi_buffer
436 						 *ret_buffer))
437 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
438 			     acpi_get_statistics(struct acpi_statistics *stats))
439 ACPI_EXTERNAL_RETURN_PTR(const char
440 			  *acpi_format_exception(acpi_status exception))
441 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_purge_cached_objects(void))
442 
443 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
444 			    acpi_install_interface(acpi_string interface_name))
445 
446 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
447 			    acpi_remove_interface(acpi_string interface_name))
448 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_update_interfaces(u8 action))
449 
450 ACPI_EXTERNAL_RETURN_UINT32(u32
451 			    acpi_check_address_range(acpi_adr_space_type
452 						     space_id,
453 						     acpi_physical_address
454 						     address, acpi_size length,
455 						     u8 warn))
456 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
457 			     acpi_decode_pld_buffer(u8 *in_buffer,
458 						    acpi_size length,
459 						    struct acpi_pld_info
460 						    **return_buffer))
461 
462 /*
463  * ACPI table load/unload interfaces
464  */
465 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
466 			    acpi_install_table(acpi_physical_address address,
467 					       u8 physical))
468 
469 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
470 			    acpi_load_table(struct acpi_table_header *table))
471 
472 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
473 			    acpi_unload_parent_table(acpi_handle object))
474 
475 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
476 			    acpi_load_tables(void))
477 
478 /*
479  * ACPI table manipulation interfaces
480  */
481 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
482 			    acpi_reallocate_root_table(void))
483 
484 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
485 			    acpi_find_root_pointer(acpi_physical_address
486 						   *rsdp_address))
487 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
488 			     acpi_get_table_header(acpi_string signature,
489 						   u32 instance,
490 						   struct acpi_table_header
491 						   *out_table_header))
492 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
493 			     acpi_get_table(acpi_string signature, u32 instance,
494 					    struct acpi_table_header
495 					    **out_table))
496 ACPI_EXTERNAL_RETURN_VOID(void acpi_put_table(struct acpi_table_header *table))
497 
498 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
499 			    acpi_get_table_by_index(u32 table_index,
500 						    struct acpi_table_header
501 						    **out_table))
502 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
503 			     acpi_install_table_handler(acpi_table_handler
504 							handler, void *context))
505 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
506 			     acpi_remove_table_handler(acpi_table_handler
507 						       handler))
508 
509 /*
510  * Namespace and name interfaces
511  */
512 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
513 			    acpi_walk_namespace(acpi_object_type type,
514 						acpi_handle start_object,
515 						u32 max_depth,
516 						acpi_walk_callback
517 						descending_callback,
518 						acpi_walk_callback
519 						ascending_callback,
520 						void *context,
521 						void **return_value))
522 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
523 			     acpi_get_devices(const char *HID,
524 					      acpi_walk_callback user_function,
525 					      void *context,
526 					      void **return_value))
527 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
528 			     acpi_get_name(acpi_handle object, u32 name_type,
529 					   struct acpi_buffer *ret_path_ptr))
530 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
531 			     acpi_get_handle(acpi_handle parent,
532 					     acpi_string pathname,
533 					     acpi_handle *ret_handle))
534 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
535 			     acpi_attach_data(acpi_handle object,
536 					      acpi_object_handler handler,
537 					      void *data))
538 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
539 			     acpi_detach_data(acpi_handle object,
540 					      acpi_object_handler handler))
541 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
542 			     acpi_get_data(acpi_handle object,
543 					   acpi_object_handler handler,
544 					   void **data))
545 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
546 			     acpi_debug_trace(const char *name, u32 debug_level,
547 					      u32 debug_layer, u32 flags))
548 
549 /*
550  * Object manipulation and enumeration
551  */
552 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
553 			    acpi_evaluate_object(acpi_handle object,
554 						 acpi_string pathname,
555 						 struct acpi_object_list
556 						 *parameter_objects,
557 						 struct acpi_buffer
558 						 *return_object_buffer))
559 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
560 			     acpi_evaluate_object_typed(acpi_handle object,
561 							acpi_string pathname,
562 							struct acpi_object_list
563 							*external_params,
564 							struct acpi_buffer
565 							*return_buffer,
566 							acpi_object_type
567 							return_type))
568 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
569 			     acpi_get_object_info(acpi_handle object,
570 						  struct acpi_device_info
571 						  **return_buffer))
572 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_install_method(u8 *buffer))
573 
574 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
575 			    acpi_get_next_object(acpi_object_type type,
576 						 acpi_handle parent,
577 						 acpi_handle child,
578 						 acpi_handle *out_handle))
579 
580 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
581 			    acpi_get_type(acpi_handle object,
582 					  acpi_object_type *out_type))
583 
584 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
585 			    acpi_get_parent(acpi_handle object,
586 					    acpi_handle *out_handle))
587 
588 /*
589  * Handler interfaces
590  */
591 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
592 			    acpi_install_initialization_handler
593 			    (acpi_init_handler handler, u32 function))
594 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
595 				 acpi_install_sci_handler(acpi_sci_handler
596 							  address,
597 							  void *context))
598 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
599 				 acpi_remove_sci_handler(acpi_sci_handler
600 							 address))
601 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
602 				 acpi_install_global_event_handler
603 				 (acpi_gbl_event_handler handler,
604 				  void *context))
605 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
606 				 acpi_install_fixed_event_handler(u32
607 								  acpi_event,
608 								  acpi_event_handler
609 								  handler,
610 								  void
611 								  *context))
612 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
613 				 acpi_remove_fixed_event_handler(u32 acpi_event,
614 								 acpi_event_handler
615 								 handler))
616 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
617 				 acpi_install_gpe_handler(acpi_handle
618 							  gpe_device,
619 							  u32 gpe_number,
620 							  u32 type,
621 							  acpi_gpe_handler
622 							  address,
623 							  void *context))
624 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
625 				 acpi_install_gpe_raw_handler(acpi_handle
626 							      gpe_device,
627 							      u32 gpe_number,
628 							      u32 type,
629 							      acpi_gpe_handler
630 							      address,
631 							      void *context))
632 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
633 				 acpi_remove_gpe_handler(acpi_handle gpe_device,
634 							 u32 gpe_number,
635 							 acpi_gpe_handler
636 							 address))
637 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
638 			     acpi_install_notify_handler(acpi_handle device,
639 							 u32 handler_type,
640 							 acpi_notify_handler
641 							 handler,
642 							 void *context))
643 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
644 			     acpi_remove_notify_handler(acpi_handle device,
645 							u32 handler_type,
646 							acpi_notify_handler
647 							handler))
648 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
649 			     acpi_install_address_space_handler(acpi_handle
650 								device,
651 								acpi_adr_space_type
652 								space_id,
653 								acpi_adr_space_handler
654 								handler,
655 								acpi_adr_space_setup
656 								setup,
657 								void *context))
658 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
659 			     acpi_remove_address_space_handler(acpi_handle
660 							       device,
661 							       acpi_adr_space_type
662 							       space_id,
663 							       acpi_adr_space_handler
664 							       handler))
665 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
666 			     acpi_install_exception_handler
667 			     (acpi_exception_handler handler))
668 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
669 			     acpi_install_interface_handler
670 			     (acpi_interface_handler handler))
671 
672 /*
673  * Global Lock interfaces
674  */
675 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
676 				acpi_acquire_global_lock(u16 timeout,
677 							 u32 *handle))
678 
679 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
680 				acpi_release_global_lock(u32 handle))
681 
682 /*
683  * Interfaces to AML mutex objects
684  */
685 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
686 			    acpi_acquire_mutex(acpi_handle handle,
687 					       acpi_string pathname,
688 					       u16 timeout))
689 
690 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
691 			    acpi_release_mutex(acpi_handle handle,
692 					       acpi_string pathname))
693 
694 /*
695  * Fixed Event interfaces
696  */
697 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
698 				acpi_enable_event(u32 event, u32 flags))
699 
700 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
701 				acpi_disable_event(u32 event, u32 flags))
702 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
703 
704 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
705 				acpi_get_event_status(u32 event,
706 						      acpi_event_status
707 						      *event_status))
708 
709 /*
710  * General Purpose Event (GPE) Interfaces
711  */
712 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
713 
714 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
715 				acpi_enable_gpe(acpi_handle gpe_device,
716 						u32 gpe_number))
717 
718 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
719 				acpi_disable_gpe(acpi_handle gpe_device,
720 						 u32 gpe_number))
721 
722 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
723 				acpi_clear_gpe(acpi_handle gpe_device,
724 					       u32 gpe_number))
725 
726 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
727 				acpi_set_gpe(acpi_handle gpe_device,
728 					     u32 gpe_number, u8 action))
729 
730 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
731 				acpi_finish_gpe(acpi_handle gpe_device,
732 						u32 gpe_number))
733 
734 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
735 				acpi_mask_gpe(acpi_handle gpe_device,
736 					      u32 gpe_number, u8 is_masked))
737 
738 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
739 				acpi_mark_gpe_for_wake(acpi_handle gpe_device,
740 						       u32 gpe_number))
741 
742 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
743 				acpi_setup_gpe_for_wake(acpi_handle
744 							parent_device,
745 							acpi_handle gpe_device,
746 							u32 gpe_number))
747 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
748 				 acpi_set_gpe_wake_mask(acpi_handle gpe_device,
749 							u32 gpe_number,
750 							u8 action))
751 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
752 				 acpi_get_gpe_status(acpi_handle gpe_device,
753 						     u32 gpe_number,
754 						     acpi_event_status
755 						     *event_status))
756 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
757 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
758 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))
759 
760 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
761 				acpi_get_gpe_device(u32 gpe_index,
762 						    acpi_handle *gpe_device))
763 
764 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
765 				acpi_install_gpe_block(acpi_handle gpe_device,
766 						       struct
767 						       acpi_generic_address
768 						       *gpe_block_address,
769 						       u32 register_count,
770 						       u32 interrupt_number))
771 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
772 				 acpi_remove_gpe_block(acpi_handle gpe_device))
773 
774 /*
775  * Resource interfaces
776  */
777 typedef
778 acpi_status (*acpi_walk_resource_callback) (struct acpi_resource * resource,
779 					    void *context);
780 
781 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
782 			    acpi_get_vendor_resource(acpi_handle device,
783 						     char *name,
784 						     struct acpi_vendor_uuid
785 						     *uuid,
786 						     struct acpi_buffer
787 						     *ret_buffer))
788 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
789 			     acpi_get_current_resources(acpi_handle device,
790 							struct acpi_buffer
791 							*ret_buffer))
792 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
793 			     acpi_get_possible_resources(acpi_handle device,
794 							 struct acpi_buffer
795 							 *ret_buffer))
796 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
797 			     acpi_get_event_resources(acpi_handle device_handle,
798 						      struct acpi_buffer
799 						      *ret_buffer))
800 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
801 			     acpi_walk_resource_buffer(struct acpi_buffer
802 						       *buffer,
803 						       acpi_walk_resource_callback
804 						       user_function,
805 						       void *context))
806 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
807 			     acpi_walk_resources(acpi_handle device, char *name,
808 						 acpi_walk_resource_callback
809 						 user_function, void *context))
810 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
811 			     acpi_set_current_resources(acpi_handle device,
812 							struct acpi_buffer
813 							*in_buffer))
814 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
815 			     acpi_get_irq_routing_table(acpi_handle device,
816 							struct acpi_buffer
817 							*ret_buffer))
818 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
819 			     acpi_resource_to_address64(struct acpi_resource
820 							*resource,
821 							struct
822 							acpi_resource_address64
823 							*out))
824 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
825 			     acpi_buffer_to_resource(u8 *aml_buffer,
826 						     u16 aml_buffer_length,
827 						     struct acpi_resource
828 						     **resource_ptr))
829 
830 /*
831  * Hardware (ACPI device) interfaces
832  */
833 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_reset(void))
834 
835 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
836 			    acpi_read(u64 *value,
837 				      struct acpi_generic_address *reg))
838 
839 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
840 			    acpi_write(u64 value,
841 				       struct acpi_generic_address *reg))
842 
843 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
844 				acpi_read_bit_register(u32 register_id,
845 						       u32 *return_value))
846 
847 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
848 				acpi_write_bit_register(u32 register_id,
849 							u32 value))
850 
851 /*
852  * Sleep/Wake interfaces
853  */
854 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
855 			    acpi_get_sleep_type_data(u8 sleep_state,
856 						     u8 *slp_typ_a,
857 						     u8 *slp_typ_b))
858 
859 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
860 			    acpi_enter_sleep_state_prep(u8 sleep_state))
861 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_enter_sleep_state(u8 sleep_state))
862 
863 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enter_sleep_state_s4bios(void))
864 
865 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
866 			    acpi_leave_sleep_state_prep(u8 sleep_state))
867 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_leave_sleep_state(u8 sleep_state))
868 
869 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
870 				acpi_set_firmware_waking_vector
871 				(acpi_physical_address physical_address,
872 				 acpi_physical_address physical_address64))
873 /*
874  * ACPI Timer interfaces
875  */
876 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
877 				acpi_get_timer_resolution(u32 *resolution))
878 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
879 
880 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
881 				acpi_get_timer_duration(u32 start_ticks,
882 							u32 end_ticks,
883 							u32 *time_elapsed))
884 
885 /*
886  * Error/Warning output
887  */
888 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
889 			       void ACPI_INTERNAL_VAR_XFACE
890 			       acpi_error(const char *module_name,
891 					  u32 line_number,
892 					  const char *format, ...))
893 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
894 				void ACPI_INTERNAL_VAR_XFACE
895 				acpi_exception(const char *module_name,
896 					       u32 line_number,
897 					       acpi_status status,
898 					       const char *format, ...))
899 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
900 				void ACPI_INTERNAL_VAR_XFACE
901 				acpi_warning(const char *module_name,
902 					     u32 line_number,
903 					     const char *format, ...))
904 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(1)
905 				void ACPI_INTERNAL_VAR_XFACE
906 				acpi_info(const char *format, ...))
907 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
908 				void ACPI_INTERNAL_VAR_XFACE
909 				acpi_bios_error(const char *module_name,
910 						u32 line_number,
911 						const char *format, ...))
912 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
913 				void ACPI_INTERNAL_VAR_XFACE
914 				acpi_bios_warning(const char *module_name,
915 						  u32 line_number,
916 						  const char *format, ...))
917 
918 /*
919  * Debug output
920  */
921 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
922 			       void ACPI_INTERNAL_VAR_XFACE
923 			       acpi_debug_print(u32 requested_debug_level,
924 						u32 line_number,
925 						const char *function_name,
926 						const char *module_name,
927 						u32 component_id,
928 						const char *format, ...))
929 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
930 				void ACPI_INTERNAL_VAR_XFACE
931 				acpi_debug_print_raw(u32 requested_debug_level,
932 						     u32 line_number,
933 						     const char *function_name,
934 						     const char *module_name,
935 						     u32 component_id,
936 						     const char *format, ...))
937 
938 ACPI_DBG_DEPENDENT_RETURN_VOID(void
939 			       acpi_trace_point(acpi_trace_event_type type,
940 						u8 begin,
941 						u8 *aml, char *pathname))
942 
943 acpi_status acpi_initialize_debugger(void);
944 
945 void acpi_terminate_debugger(void);
946 
947 /*
948  * Divergences
949  */
950 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
951 			    acpi_get_data_full(acpi_handle object,
952 					       acpi_object_handler handler,
953 					       void **data,
954 					       void (*callback)(void *)))
955 
956 void acpi_run_debugger(char *batch_buffer);
957 
958 void acpi_set_debugger_thread_id(acpi_thread_id thread_id);
959 
960 #endif				/* __ACXFACE_H__ */
961