xref: /openbmc/linux/include/acpi/acpixf.h (revision 2169e6da)
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 - 2019, 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                 0x20190703
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 use 32-bit FADT addresses if and when there is a conflict
161  * (address mismatch) between the 32-bit and 64-bit versions of the
162  * address. Although ACPICA adheres to the ACPI specification which
163  * requires the use of the corresponding 64-bit address if it is non-zero,
164  * some machines have been found to have a corrupted non-zero 64-bit
165  * address. Default is FALSE, do not favor the 32-bit addresses.
166  */
167 ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, FALSE);
168 
169 /*
170  * Optionally use 32-bit FACS table addresses.
171  * It is reported that some platforms fail to resume from system suspending
172  * if 64-bit FACS table address is selected:
173  * https://bugzilla.kernel.org/show_bug.cgi?id=74021
174  * Default is TRUE, favor the 32-bit addresses.
175  */
176 ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_facs_addresses, TRUE);
177 
178 /*
179  * Optionally truncate I/O addresses to 16 bits. Provides compatibility
180  * with other ACPI implementations. NOTE: During ACPICA initialization,
181  * this value is set to TRUE if any Windows OSI strings have been
182  * requested by the BIOS.
183  */
184 ACPI_INIT_GLOBAL(u8, acpi_gbl_truncate_io_addresses, FALSE);
185 
186 /*
187  * Disable runtime checking and repair of values returned by control methods.
188  * Use only if the repair is causing a problem on a particular machine.
189  */
190 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_auto_repair, FALSE);
191 
192 /*
193  * Optionally do not install any SSDTs from the RSDT/XSDT during initialization.
194  * This can be useful for debugging ACPI problems on some machines.
195  */
196 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_ssdt_table_install, FALSE);
197 
198 /*
199  * Optionally enable runtime namespace override.
200  */
201 ACPI_INIT_GLOBAL(u8, acpi_gbl_runtime_namespace_override, TRUE);
202 
203 /*
204  * We keep track of the latest version of Windows that has been requested by
205  * the BIOS. ACPI 5.0.
206  */
207 ACPI_INIT_GLOBAL(u8, acpi_gbl_osi_data, 0);
208 
209 /*
210  * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
211  * that the ACPI hardware is no longer required. A flag in the FADT indicates
212  * a reduced HW machine, and that flag is duplicated here for convenience.
213  */
214 ACPI_INIT_GLOBAL(u8, acpi_gbl_reduced_hardware, FALSE);
215 
216 /*
217  * Maximum timeout for While() loop iterations before forced method abort.
218  * This mechanism is intended to prevent infinite loops during interpreter
219  * execution within a host kernel.
220  */
221 ACPI_INIT_GLOBAL(u32, acpi_gbl_max_loop_iterations, ACPI_MAX_LOOP_TIMEOUT);
222 
223 /*
224  * Optionally ignore AE_NOT_FOUND errors from named reference package elements
225  * during DSDT/SSDT table loading. This reduces error "noise" in platforms
226  * whose firmware is carrying around a bunch of unused package objects that
227  * refer to non-existent named objects. However, If the AML actually tries to
228  * use such a package, the unresolved element(s) will be replaced with NULL
229  * elements.
230  */
231 ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_package_resolution_errors, FALSE);
232 
233 /*
234  * This mechanism is used to trace a specified AML method. The method is
235  * traced each time it is executed.
236  */
237 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_flags, 0);
238 ACPI_INIT_GLOBAL(const char *, acpi_gbl_trace_method_name, NULL);
239 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_level, ACPI_TRACE_LEVEL_DEFAULT);
240 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_layer, ACPI_TRACE_LAYER_DEFAULT);
241 
242 /*
243  * Runtime configuration of debug output control masks. We want the debug
244  * switches statically initialized so they are already set when the debugger
245  * is entered.
246  */
247 ACPI_INIT_GLOBAL(u32, acpi_dbg_level, ACPI_DEBUG_DEFAULT);
248 ACPI_INIT_GLOBAL(u32, acpi_dbg_layer, 0);
249 
250 /* Optionally enable timer output with Debug Object output */
251 
252 ACPI_INIT_GLOBAL(u8, acpi_gbl_display_debug_timer, FALSE);
253 
254 /*
255  * Debugger command handshake globals. Host OSes need to access these
256  * variables to implement their own command handshake mechanism.
257  */
258 #ifdef ACPI_DEBUGGER
259 ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE);
260 ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]);
261 #endif
262 
263 /*
264  * Other miscellaneous globals
265  */
266 ACPI_GLOBAL(struct acpi_table_fadt, acpi_gbl_FADT);
267 ACPI_GLOBAL(u32, acpi_current_gpe_count);
268 ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running);
269 
270 /*****************************************************************************
271  *
272  * ACPICA public interface configuration.
273  *
274  * Interfaces that are configured out of the ACPICA build are replaced
275  * by inlined stubs by default.
276  *
277  ****************************************************************************/
278 
279 /*
280  * Hardware-reduced prototypes (default: Not hardware reduced).
281  *
282  * All ACPICA hardware-related interfaces that use these macros will be
283  * configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
284  * is set to TRUE.
285  *
286  * Note: This static build option for reduced hardware is intended to
287  * reduce ACPICA code size if desired or necessary. However, even if this
288  * option is not specified, the runtime behavior of ACPICA is dependent
289  * on the actual FADT reduced hardware flag (HW_REDUCED_ACPI). If set,
290  * the flag will enable similar behavior -- ACPICA will not attempt
291  * to access any ACPI-relate hardware (SCI, GPEs, Fixed Events, etc.)
292  */
293 #if (!ACPI_REDUCED_HARDWARE)
294 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
295 	ACPI_EXTERNAL_RETURN_STATUS(prototype)
296 
297 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
298 	ACPI_EXTERNAL_RETURN_OK(prototype)
299 
300 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
301 	ACPI_EXTERNAL_RETURN_VOID(prototype)
302 
303 #else
304 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
305 	static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
306 
307 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
308 	static ACPI_INLINE prototype {return(AE_OK);}
309 
310 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
311 	static ACPI_INLINE prototype {return;}
312 
313 #endif				/* !ACPI_REDUCED_HARDWARE */
314 
315 /*
316  * Error message prototypes (default: error messages enabled).
317  *
318  * All interfaces related to error and warning messages
319  * will be configured out of the ACPICA build if the
320  * ACPI_NO_ERROR_MESSAGE flag is defined.
321  */
322 #ifndef ACPI_NO_ERROR_MESSAGES
323 #define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
324 	prototype;
325 
326 #else
327 #define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
328 	static ACPI_INLINE prototype {return;}
329 
330 #endif				/* ACPI_NO_ERROR_MESSAGES */
331 
332 /*
333  * Debugging output prototypes (default: no debug output).
334  *
335  * All interfaces related to debug output messages
336  * will be configured out of the ACPICA build unless the
337  * ACPI_DEBUG_OUTPUT flag is defined.
338  */
339 #ifdef ACPI_DEBUG_OUTPUT
340 #define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
341 	prototype;
342 
343 #else
344 #define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
345 	static ACPI_INLINE prototype {return;}
346 
347 #endif				/* ACPI_DEBUG_OUTPUT */
348 
349 /*
350  * Application prototypes
351  *
352  * All interfaces used by application will be configured
353  * out of the ACPICA build unless the ACPI_APPLICATION
354  * flag is defined.
355  */
356 #ifdef ACPI_APPLICATION
357 #define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
358 	prototype;
359 
360 #else
361 #define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
362 	static ACPI_INLINE prototype {return;}
363 
364 #endif				/* ACPI_APPLICATION */
365 
366 /*
367  * Debugger prototypes
368  *
369  * All interfaces used by debugger will be configured
370  * out of the ACPICA build unless the ACPI_DEBUGGER
371  * flag is defined.
372  */
373 #ifdef ACPI_DEBUGGER
374 #define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
375 	ACPI_EXTERNAL_RETURN_OK(prototype)
376 
377 #define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
378 	ACPI_EXTERNAL_RETURN_VOID(prototype)
379 
380 #else
381 #define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
382 	static ACPI_INLINE prototype {return(AE_OK);}
383 
384 #define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
385 	static ACPI_INLINE prototype {return;}
386 
387 #endif				/* ACPI_DEBUGGER */
388 
389 /*****************************************************************************
390  *
391  * ACPICA public interface prototypes
392  *
393  ****************************************************************************/
394 
395 /*
396  * Initialization
397  */
398 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
399 			    acpi_initialize_tables(struct acpi_table_desc
400 						   *initial_storage,
401 						   u32 initial_table_count,
402 						   u8 allow_resize))
403 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
404 			     acpi_initialize_subsystem(void))
405 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
406 			     acpi_enable_subsystem(u32 flags))
407 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
408 			     acpi_initialize_objects(u32 flags))
409 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
410 			     acpi_terminate(void))
411 
412 /*
413  * Miscellaneous global interfaces
414  */
415 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
416 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
417 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_subsystem_status(void))
418 
419 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
420 			    acpi_get_system_info(struct acpi_buffer
421 						 *ret_buffer))
422 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
423 			     acpi_get_statistics(struct acpi_statistics *stats))
424 ACPI_EXTERNAL_RETURN_PTR(const char
425 			  *acpi_format_exception(acpi_status exception))
426 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_purge_cached_objects(void))
427 
428 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
429 			    acpi_install_interface(acpi_string interface_name))
430 
431 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
432 			    acpi_remove_interface(acpi_string interface_name))
433 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_update_interfaces(u8 action))
434 
435 ACPI_EXTERNAL_RETURN_UINT32(u32
436 			    acpi_check_address_range(acpi_adr_space_type
437 						     space_id,
438 						     acpi_physical_address
439 						     address, acpi_size length,
440 						     u8 warn))
441 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
442 			     acpi_decode_pld_buffer(u8 *in_buffer,
443 						    acpi_size length,
444 						    struct acpi_pld_info
445 						    **return_buffer))
446 
447 /*
448  * ACPI table load/unload interfaces
449  */
450 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
451 			    acpi_install_table(acpi_physical_address address,
452 					       u8 physical))
453 
454 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
455 			    acpi_load_table(struct acpi_table_header *table))
456 
457 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
458 			    acpi_unload_parent_table(acpi_handle object))
459 
460 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
461 			    acpi_load_tables(void))
462 
463 /*
464  * ACPI table manipulation interfaces
465  */
466 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
467 			    acpi_reallocate_root_table(void))
468 
469 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
470 			    acpi_find_root_pointer(acpi_physical_address
471 						   *rsdp_address))
472 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
473 			     acpi_get_table_header(acpi_string signature,
474 						   u32 instance,
475 						   struct acpi_table_header
476 						   *out_table_header))
477 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
478 			     acpi_get_table(acpi_string signature, u32 instance,
479 					    struct acpi_table_header
480 					    **out_table))
481 ACPI_EXTERNAL_RETURN_VOID(void acpi_put_table(struct acpi_table_header *table))
482 
483 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
484 			    acpi_get_table_by_index(u32 table_index,
485 						    struct acpi_table_header
486 						    **out_table))
487 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
488 			     acpi_install_table_handler(acpi_table_handler
489 							handler, void *context))
490 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
491 			     acpi_remove_table_handler(acpi_table_handler
492 						       handler))
493 
494 /*
495  * Namespace and name interfaces
496  */
497 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
498 			    acpi_walk_namespace(acpi_object_type type,
499 						acpi_handle start_object,
500 						u32 max_depth,
501 						acpi_walk_callback
502 						descending_callback,
503 						acpi_walk_callback
504 						ascending_callback,
505 						void *context,
506 						void **return_value))
507 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
508 			     acpi_get_devices(const char *HID,
509 					      acpi_walk_callback user_function,
510 					      void *context,
511 					      void **return_value))
512 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
513 			     acpi_get_name(acpi_handle object, u32 name_type,
514 					   struct acpi_buffer *ret_path_ptr))
515 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
516 			     acpi_get_handle(acpi_handle parent,
517 					     acpi_string pathname,
518 					     acpi_handle *ret_handle))
519 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
520 			     acpi_attach_data(acpi_handle object,
521 					      acpi_object_handler handler,
522 					      void *data))
523 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
524 			     acpi_detach_data(acpi_handle object,
525 					      acpi_object_handler handler))
526 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
527 			     acpi_get_data(acpi_handle object,
528 					   acpi_object_handler handler,
529 					   void **data))
530 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
531 			     acpi_debug_trace(const char *name, u32 debug_level,
532 					      u32 debug_layer, u32 flags))
533 
534 /*
535  * Object manipulation and enumeration
536  */
537 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
538 			    acpi_evaluate_object(acpi_handle object,
539 						 acpi_string pathname,
540 						 struct acpi_object_list
541 						 *parameter_objects,
542 						 struct acpi_buffer
543 						 *return_object_buffer))
544 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
545 			     acpi_evaluate_object_typed(acpi_handle object,
546 							acpi_string pathname,
547 							struct acpi_object_list
548 							*external_params,
549 							struct acpi_buffer
550 							*return_buffer,
551 							acpi_object_type
552 							return_type))
553 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
554 			     acpi_get_object_info(acpi_handle object,
555 						  struct acpi_device_info
556 						  **return_buffer))
557 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_install_method(u8 *buffer))
558 
559 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
560 			    acpi_get_next_object(acpi_object_type type,
561 						 acpi_handle parent,
562 						 acpi_handle child,
563 						 acpi_handle *out_handle))
564 
565 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
566 			    acpi_get_type(acpi_handle object,
567 					  acpi_object_type *out_type))
568 
569 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
570 			    acpi_get_parent(acpi_handle object,
571 					    acpi_handle *out_handle))
572 
573 /*
574  * Handler interfaces
575  */
576 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
577 			    acpi_install_initialization_handler
578 			    (acpi_init_handler handler, u32 function))
579 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
580 				 acpi_install_sci_handler(acpi_sci_handler
581 							  address,
582 							  void *context))
583 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
584 				 acpi_remove_sci_handler(acpi_sci_handler
585 							 address))
586 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
587 				 acpi_install_global_event_handler
588 				 (acpi_gbl_event_handler handler,
589 				  void *context))
590 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
591 				 acpi_install_fixed_event_handler(u32
592 								  acpi_event,
593 								  acpi_event_handler
594 								  handler,
595 								  void
596 								  *context))
597 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
598 				 acpi_remove_fixed_event_handler(u32 acpi_event,
599 								 acpi_event_handler
600 								 handler))
601 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
602 				 acpi_install_gpe_handler(acpi_handle
603 							  gpe_device,
604 							  u32 gpe_number,
605 							  u32 type,
606 							  acpi_gpe_handler
607 							  address,
608 							  void *context))
609 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
610 				 acpi_install_gpe_raw_handler(acpi_handle
611 							      gpe_device,
612 							      u32 gpe_number,
613 							      u32 type,
614 							      acpi_gpe_handler
615 							      address,
616 							      void *context))
617 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
618 				 acpi_remove_gpe_handler(acpi_handle gpe_device,
619 							 u32 gpe_number,
620 							 acpi_gpe_handler
621 							 address))
622 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
623 			     acpi_install_notify_handler(acpi_handle device,
624 							 u32 handler_type,
625 							 acpi_notify_handler
626 							 handler,
627 							 void *context))
628 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
629 			     acpi_remove_notify_handler(acpi_handle device,
630 							u32 handler_type,
631 							acpi_notify_handler
632 							handler))
633 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
634 			     acpi_install_address_space_handler(acpi_handle
635 								device,
636 								acpi_adr_space_type
637 								space_id,
638 								acpi_adr_space_handler
639 								handler,
640 								acpi_adr_space_setup
641 								setup,
642 								void *context))
643 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
644 			     acpi_remove_address_space_handler(acpi_handle
645 							       device,
646 							       acpi_adr_space_type
647 							       space_id,
648 							       acpi_adr_space_handler
649 							       handler))
650 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
651 			     acpi_install_exception_handler
652 			     (acpi_exception_handler handler))
653 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
654 			     acpi_install_interface_handler
655 			     (acpi_interface_handler handler))
656 
657 /*
658  * Global Lock interfaces
659  */
660 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
661 				acpi_acquire_global_lock(u16 timeout,
662 							 u32 *handle))
663 
664 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
665 				acpi_release_global_lock(u32 handle))
666 
667 /*
668  * Interfaces to AML mutex objects
669  */
670 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
671 			    acpi_acquire_mutex(acpi_handle handle,
672 					       acpi_string pathname,
673 					       u16 timeout))
674 
675 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
676 			    acpi_release_mutex(acpi_handle handle,
677 					       acpi_string pathname))
678 
679 /*
680  * Fixed Event interfaces
681  */
682 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
683 				acpi_enable_event(u32 event, u32 flags))
684 
685 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
686 				acpi_disable_event(u32 event, u32 flags))
687 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
688 
689 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
690 				acpi_get_event_status(u32 event,
691 						      acpi_event_status
692 						      *event_status))
693 
694 /*
695  * General Purpose Event (GPE) Interfaces
696  */
697 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
698 
699 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
700 				acpi_enable_gpe(acpi_handle gpe_device,
701 						u32 gpe_number))
702 
703 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
704 				acpi_disable_gpe(acpi_handle gpe_device,
705 						 u32 gpe_number))
706 
707 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
708 				acpi_clear_gpe(acpi_handle gpe_device,
709 					       u32 gpe_number))
710 
711 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
712 				acpi_set_gpe(acpi_handle gpe_device,
713 					     u32 gpe_number, u8 action))
714 
715 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
716 				acpi_finish_gpe(acpi_handle gpe_device,
717 						u32 gpe_number))
718 
719 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
720 				acpi_mask_gpe(acpi_handle gpe_device,
721 					      u32 gpe_number, u8 is_masked))
722 
723 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
724 				acpi_mark_gpe_for_wake(acpi_handle gpe_device,
725 						       u32 gpe_number))
726 
727 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
728 				acpi_setup_gpe_for_wake(acpi_handle
729 							parent_device,
730 							acpi_handle gpe_device,
731 							u32 gpe_number))
732 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
733 				 acpi_set_gpe_wake_mask(acpi_handle gpe_device,
734 							u32 gpe_number,
735 							u8 action))
736 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
737 				 acpi_get_gpe_status(acpi_handle gpe_device,
738 						     u32 gpe_number,
739 						     acpi_event_status
740 						     *event_status))
741 ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_dispatch_gpe(acpi_handle gpe_device, u32 gpe_number))
742 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
743 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
744 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))
745 
746 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
747 				acpi_get_gpe_device(u32 gpe_index,
748 						    acpi_handle *gpe_device))
749 
750 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
751 				acpi_install_gpe_block(acpi_handle gpe_device,
752 						       struct
753 						       acpi_generic_address
754 						       *gpe_block_address,
755 						       u32 register_count,
756 						       u32 interrupt_number))
757 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
758 				 acpi_remove_gpe_block(acpi_handle gpe_device))
759 
760 /*
761  * Resource interfaces
762  */
763 typedef
764 acpi_status (*acpi_walk_resource_callback) (struct acpi_resource * resource,
765 					    void *context);
766 
767 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
768 			    acpi_get_vendor_resource(acpi_handle device,
769 						     char *name,
770 						     struct acpi_vendor_uuid
771 						     *uuid,
772 						     struct acpi_buffer
773 						     *ret_buffer))
774 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
775 			     acpi_get_current_resources(acpi_handle device,
776 							struct acpi_buffer
777 							*ret_buffer))
778 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
779 			     acpi_get_possible_resources(acpi_handle device,
780 							 struct acpi_buffer
781 							 *ret_buffer))
782 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
783 			     acpi_get_event_resources(acpi_handle device_handle,
784 						      struct acpi_buffer
785 						      *ret_buffer))
786 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
787 			     acpi_walk_resource_buffer(struct acpi_buffer
788 						       *buffer,
789 						       acpi_walk_resource_callback
790 						       user_function,
791 						       void *context))
792 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
793 			     acpi_walk_resources(acpi_handle device, char *name,
794 						 acpi_walk_resource_callback
795 						 user_function, void *context))
796 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
797 			     acpi_set_current_resources(acpi_handle device,
798 							struct acpi_buffer
799 							*in_buffer))
800 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
801 			     acpi_get_irq_routing_table(acpi_handle device,
802 							struct acpi_buffer
803 							*ret_buffer))
804 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
805 			     acpi_resource_to_address64(struct acpi_resource
806 							*resource,
807 							struct
808 							acpi_resource_address64
809 							*out))
810 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
811 			     acpi_buffer_to_resource(u8 *aml_buffer,
812 						     u16 aml_buffer_length,
813 						     struct acpi_resource
814 						     **resource_ptr))
815 
816 /*
817  * Hardware (ACPI device) interfaces
818  */
819 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_reset(void))
820 
821 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
822 			    acpi_read(u64 *value,
823 				      struct acpi_generic_address *reg))
824 
825 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
826 			    acpi_write(u64 value,
827 				       struct acpi_generic_address *reg))
828 
829 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
830 				acpi_read_bit_register(u32 register_id,
831 						       u32 *return_value))
832 
833 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
834 				acpi_write_bit_register(u32 register_id,
835 							u32 value))
836 
837 /*
838  * Sleep/Wake interfaces
839  */
840 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
841 			    acpi_get_sleep_type_data(u8 sleep_state,
842 						     u8 *slp_typ_a,
843 						     u8 *slp_typ_b))
844 
845 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
846 			    acpi_enter_sleep_state_prep(u8 sleep_state))
847 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_enter_sleep_state(u8 sleep_state))
848 
849 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enter_sleep_state_s4bios(void))
850 
851 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
852 			    acpi_leave_sleep_state_prep(u8 sleep_state))
853 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_leave_sleep_state(u8 sleep_state))
854 
855 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
856 				acpi_set_firmware_waking_vector
857 				(acpi_physical_address physical_address,
858 				 acpi_physical_address physical_address64))
859 /*
860  * ACPI Timer interfaces
861  */
862 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
863 				acpi_get_timer_resolution(u32 *resolution))
864 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
865 
866 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
867 				acpi_get_timer_duration(u32 start_ticks,
868 							u32 end_ticks,
869 							u32 *time_elapsed))
870 
871 /*
872  * Error/Warning output
873  */
874 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
875 			       void ACPI_INTERNAL_VAR_XFACE
876 			       acpi_error(const char *module_name,
877 					  u32 line_number,
878 					  const char *format, ...))
879 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
880 				void ACPI_INTERNAL_VAR_XFACE
881 				acpi_exception(const char *module_name,
882 					       u32 line_number,
883 					       acpi_status status,
884 					       const char *format, ...))
885 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
886 				void ACPI_INTERNAL_VAR_XFACE
887 				acpi_warning(const char *module_name,
888 					     u32 line_number,
889 					     const char *format, ...))
890 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(1)
891 				void ACPI_INTERNAL_VAR_XFACE
892 				acpi_info(const char *format, ...))
893 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
894 				void ACPI_INTERNAL_VAR_XFACE
895 				acpi_bios_error(const char *module_name,
896 						u32 line_number,
897 						const char *format, ...))
898 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
899 				void ACPI_INTERNAL_VAR_XFACE
900 				acpi_bios_exception(const char *module_name,
901 						    u32 line_number,
902 						    acpi_status status,
903 						    const char *format, ...))
904 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
905 				void ACPI_INTERNAL_VAR_XFACE
906 				acpi_bios_warning(const char *module_name,
907 						  u32 line_number,
908 						  const char *format, ...))
909 
910 /*
911  * Debug output
912  */
913 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
914 			       void ACPI_INTERNAL_VAR_XFACE
915 			       acpi_debug_print(u32 requested_debug_level,
916 						u32 line_number,
917 						const char *function_name,
918 						const char *module_name,
919 						u32 component_id,
920 						const char *format, ...))
921 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
922 				void ACPI_INTERNAL_VAR_XFACE
923 				acpi_debug_print_raw(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 
930 ACPI_DBG_DEPENDENT_RETURN_VOID(void
931 			       acpi_trace_point(acpi_trace_event_type type,
932 						u8 begin,
933 						u8 *aml, char *pathname))
934 
935 acpi_status acpi_initialize_debugger(void);
936 
937 void acpi_terminate_debugger(void);
938 
939 /*
940  * Divergences
941  */
942 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
943 			    acpi_get_data_full(acpi_handle object,
944 					       acpi_object_handler handler,
945 					       void **data,
946 					       void (*callback)(void *)))
947 
948 void acpi_run_debugger(char *batch_buffer);
949 
950 void acpi_set_debugger_thread_id(acpi_thread_id thread_id);
951 
952 #endif				/* __ACXFACE_H__ */
953