xref: /openbmc/linux/include/acpi/acpixf.h (revision aac5987a)
1 /******************************************************************************
2  *
3  * Name: acpixf.h - External interfaces to the ACPI subsystem
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2017, Intel Corp.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    substantially similar to the "NO WARRANTY" disclaimer below
19  *    ("Disclaimer") and any redistribution must be conditioned upon
20  *    including a substantially similar Disclaimer requirement for further
21  *    binary redistribution.
22  * 3. Neither the names of the above-listed copyright holders nor the names
23  *    of any contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * Alternatively, this software may be distributed under the terms of the
27  * GNU General Public License ("GPL") version 2 as published by the Free
28  * Software Foundation.
29  *
30  * NO WARRANTY
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43 
44 #ifndef __ACXFACE_H__
45 #define __ACXFACE_H__
46 
47 /* Current ACPICA subsystem version in YYYYMMDD format */
48 
49 #define ACPI_CA_VERSION                 0x20170119
50 
51 #include <acpi/acconfig.h>
52 #include <acpi/actypes.h>
53 #include <acpi/actbl.h>
54 #include <acpi/acbuffer.h>
55 
56 /*****************************************************************************
57  *
58  * Macros used for ACPICA globals and configuration
59  *
60  ****************************************************************************/
61 
62 /*
63  * Ensure that global variables are defined and initialized only once.
64  *
65  * The use of these macros allows for a single list of globals (here)
66  * in order to simplify maintenance of the code.
67  */
68 #ifdef DEFINE_ACPI_GLOBALS
69 #define ACPI_GLOBAL(type,name) \
70 	extern type name; \
71 	type name
72 
73 #define ACPI_INIT_GLOBAL(type,name,value) \
74 	type name=value
75 
76 #else
77 #ifndef ACPI_GLOBAL
78 #define ACPI_GLOBAL(type,name) \
79 	extern type name
80 #endif
81 
82 #ifndef ACPI_INIT_GLOBAL
83 #define ACPI_INIT_GLOBAL(type,name,value) \
84 	extern type name
85 #endif
86 #endif
87 
88 /*
89  * These macros configure the various ACPICA interfaces. They are
90  * useful for generating stub inline functions for features that are
91  * configured out of the current kernel or ACPICA application.
92  */
93 #ifndef ACPI_EXTERNAL_RETURN_STATUS
94 #define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
95 	prototype;
96 #endif
97 
98 #ifndef ACPI_EXTERNAL_RETURN_OK
99 #define ACPI_EXTERNAL_RETURN_OK(prototype) \
100 	prototype;
101 #endif
102 
103 #ifndef ACPI_EXTERNAL_RETURN_VOID
104 #define ACPI_EXTERNAL_RETURN_VOID(prototype) \
105 	prototype;
106 #endif
107 
108 #ifndef ACPI_EXTERNAL_RETURN_UINT32
109 #define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
110 	prototype;
111 #endif
112 
113 #ifndef ACPI_EXTERNAL_RETURN_PTR
114 #define ACPI_EXTERNAL_RETURN_PTR(prototype) \
115 	prototype;
116 #endif
117 
118 /*****************************************************************************
119  *
120  * Public globals and runtime configuration options
121  *
122  ****************************************************************************/
123 
124 /*
125  * Enable "slack mode" of the AML interpreter?  Default is FALSE, and the
126  * interpreter strictly follows the ACPI specification. Setting to TRUE
127  * allows the interpreter to ignore certain errors and/or bad AML constructs.
128  *
129  * Currently, these features are enabled by this flag:
130  *
131  * 1) Allow "implicit return" of last value in a control method
132  * 2) Allow access beyond the end of an operation region
133  * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
134  * 4) Allow ANY object type to be a source operand for the Store() operator
135  * 5) Allow unresolved references (invalid target name) in package objects
136  * 6) Enable warning messages for behavior that is not ACPI spec compliant
137  */
138 ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_interpreter_slack, FALSE);
139 
140 /*
141  * Automatically serialize all methods that create named objects? Default
142  * is TRUE, meaning that all non_serialized methods are scanned once at
143  * table load time to determine those that create named objects. Methods
144  * that create named objects are marked Serialized in order to prevent
145  * possible run-time problems if they are entered by more than one thread.
146  */
147 ACPI_INIT_GLOBAL(u8, acpi_gbl_auto_serialize_methods, TRUE);
148 
149 /*
150  * Create the predefined _OSI method in the namespace? Default is TRUE
151  * because ACPICA is fully compatible with other ACPI implementations.
152  * Changing this will revert ACPICA (and machine ASL) to pre-OSI behavior.
153  */
154 ACPI_INIT_GLOBAL(u8, acpi_gbl_create_osi_method, TRUE);
155 
156 /*
157  * Optionally use default values for the ACPI register widths. Set this to
158  * TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
159  */
160 ACPI_INIT_GLOBAL(u8, acpi_gbl_use_default_register_widths, TRUE);
161 
162 /*
163  * Whether or not to verify the table checksum before installation. Set
164  * this to TRUE to verify the table checksum before install it to the table
165  * manager. Note that enabling this option causes errors to happen in some
166  * OSPMs during early initialization stages. Default behavior is to do such
167  * verification.
168  */
169 ACPI_INIT_GLOBAL(u8, acpi_gbl_verify_table_checksum, TRUE);
170 
171 /*
172  * Optionally enable output from the AML Debug Object.
173  */
174 ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_aml_debug_object, FALSE);
175 
176 /*
177  * Optionally copy the entire DSDT to local memory (instead of simply
178  * mapping it.) There are some BIOSs that corrupt or replace the original
179  * DSDT, creating the need for this option. Default is FALSE, do not copy
180  * the DSDT.
181  */
182 ACPI_INIT_GLOBAL(u8, acpi_gbl_copy_dsdt_locally, FALSE);
183 
184 /*
185  * Optionally ignore an XSDT if present and use the RSDT instead.
186  * Although the ACPI specification requires that an XSDT be used instead
187  * of the RSDT, the XSDT has been found to be corrupt or ill-formed on
188  * some machines. Default behavior is to use the XSDT if present.
189  */
190 ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE);
191 
192 /*
193  * Optionally support group module level code.
194  */
195 ACPI_INIT_GLOBAL(u8, acpi_gbl_group_module_level_code, TRUE);
196 
197 /*
198  * Optionally support module level code by parsing the entire table as
199  * a term_list. Default is FALSE, do not execute entire table until some
200  * lock order issues are fixed.
201  */
202 ACPI_INIT_GLOBAL(u8, acpi_gbl_parse_table_as_term_list, FALSE);
203 
204 /*
205  * Optionally use 32-bit FADT addresses if and when there is a conflict
206  * (address mismatch) between the 32-bit and 64-bit versions of the
207  * address. Although ACPICA adheres to the ACPI specification which
208  * requires the use of the corresponding 64-bit address if it is non-zero,
209  * some machines have been found to have a corrupted non-zero 64-bit
210  * address. Default is FALSE, do not favor the 32-bit addresses.
211  */
212 ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, FALSE);
213 
214 /*
215  * Optionally use 32-bit FACS table addresses.
216  * It is reported that some platforms fail to resume from system suspending
217  * if 64-bit FACS table address is selected:
218  * https://bugzilla.kernel.org/show_bug.cgi?id=74021
219  * Default is TRUE, favor the 32-bit addresses.
220  */
221 ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_facs_addresses, TRUE);
222 
223 /*
224  * Optionally truncate I/O addresses to 16 bits. Provides compatibility
225  * with other ACPI implementations. NOTE: During ACPICA initialization,
226  * this value is set to TRUE if any Windows OSI strings have been
227  * requested by the BIOS.
228  */
229 ACPI_INIT_GLOBAL(u8, acpi_gbl_truncate_io_addresses, FALSE);
230 
231 /*
232  * Disable runtime checking and repair of values returned by control methods.
233  * Use only if the repair is causing a problem on a particular machine.
234  */
235 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_auto_repair, FALSE);
236 
237 /*
238  * Optionally do not install any SSDTs from the RSDT/XSDT during initialization.
239  * This can be useful for debugging ACPI problems on some machines.
240  */
241 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_ssdt_table_install, FALSE);
242 
243 /*
244  * Optionally enable runtime namespace override.
245  */
246 ACPI_INIT_GLOBAL(u8, acpi_gbl_runtime_namespace_override, TRUE);
247 
248 /*
249  * We keep track of the latest version of Windows that has been requested by
250  * the BIOS. ACPI 5.0.
251  */
252 ACPI_INIT_GLOBAL(u8, acpi_gbl_osi_data, 0);
253 
254 /*
255  * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
256  * that the ACPI hardware is no longer required. A flag in the FADT indicates
257  * a reduced HW machine, and that flag is duplicated here for convenience.
258  */
259 ACPI_INIT_GLOBAL(u8, acpi_gbl_reduced_hardware, FALSE);
260 
261 /*
262  * Maximum number of While() loop iterations before forced method abort.
263  * This mechanism is intended to prevent infinite loops during interpreter
264  * execution within a host kernel.
265  */
266 ACPI_INIT_GLOBAL(u32, acpi_gbl_max_loop_iterations, ACPI_MAX_LOOP_COUNT);
267 
268 /*
269  * This mechanism is used to trace a specified AML method. The method is
270  * traced each time it is executed.
271  */
272 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_flags, 0);
273 ACPI_INIT_GLOBAL(const char *, acpi_gbl_trace_method_name, NULL);
274 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_level, ACPI_TRACE_LEVEL_DEFAULT);
275 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_layer, ACPI_TRACE_LAYER_DEFAULT);
276 
277 /*
278  * Runtime configuration of debug output control masks. We want the debug
279  * switches statically initialized so they are already set when the debugger
280  * is entered.
281  */
282 ACPI_INIT_GLOBAL(u32, acpi_dbg_level, ACPI_DEBUG_DEFAULT);
283 ACPI_INIT_GLOBAL(u32, acpi_dbg_layer, 0);
284 
285 /* Optionally enable timer output with Debug Object output */
286 
287 ACPI_INIT_GLOBAL(u8, acpi_gbl_display_debug_timer, FALSE);
288 
289 /*
290  * Debugger command handshake globals. Host OSes need to access these
291  * variables to implement their own command handshake mechanism.
292  */
293 #ifdef ACPI_DEBUGGER
294 ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE);
295 ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]);
296 #endif
297 
298 /*
299  * Other miscellaneous globals
300  */
301 ACPI_GLOBAL(struct acpi_table_fadt, acpi_gbl_FADT);
302 ACPI_GLOBAL(u32, acpi_current_gpe_count);
303 ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running);
304 
305 /*****************************************************************************
306  *
307  * ACPICA public interface configuration.
308  *
309  * Interfaces that are configured out of the ACPICA build are replaced
310  * by inlined stubs by default.
311  *
312  ****************************************************************************/
313 
314 /*
315  * Hardware-reduced prototypes (default: Not hardware reduced).
316  *
317  * All ACPICA hardware-related interfaces that use these macros will be
318  * configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
319  * is set to TRUE.
320  *
321  * Note: This static build option for reduced hardware is intended to
322  * reduce ACPICA code size if desired or necessary. However, even if this
323  * option is not specified, the runtime behavior of ACPICA is dependent
324  * on the actual FADT reduced hardware flag (HW_REDUCED_ACPI). If set,
325  * the flag will enable similar behavior -- ACPICA will not attempt
326  * to access any ACPI-relate hardware (SCI, GPEs, Fixed Events, etc.)
327  */
328 #if (!ACPI_REDUCED_HARDWARE)
329 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
330 	ACPI_EXTERNAL_RETURN_STATUS(prototype)
331 
332 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
333 	ACPI_EXTERNAL_RETURN_OK(prototype)
334 
335 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
336 	ACPI_EXTERNAL_RETURN_VOID(prototype)
337 
338 #else
339 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
340 	static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
341 
342 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
343 	static ACPI_INLINE prototype {return(AE_OK);}
344 
345 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
346 	static ACPI_INLINE prototype {return;}
347 
348 #endif				/* !ACPI_REDUCED_HARDWARE */
349 
350 /*
351  * Error message prototypes (default: error messages enabled).
352  *
353  * All interfaces related to error and warning messages
354  * will be configured out of the ACPICA build if the
355  * ACPI_NO_ERROR_MESSAGE flag is defined.
356  */
357 #ifndef ACPI_NO_ERROR_MESSAGES
358 #define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
359 	prototype;
360 
361 #else
362 #define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
363 	static ACPI_INLINE prototype {return;}
364 
365 #endif				/* ACPI_NO_ERROR_MESSAGES */
366 
367 /*
368  * Debugging output prototypes (default: no debug output).
369  *
370  * All interfaces related to debug output messages
371  * will be configured out of the ACPICA build unless the
372  * ACPI_DEBUG_OUTPUT flag is defined.
373  */
374 #ifdef ACPI_DEBUG_OUTPUT
375 #define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
376 	prototype;
377 
378 #else
379 #define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
380 	static ACPI_INLINE prototype {return;}
381 
382 #endif				/* ACPI_DEBUG_OUTPUT */
383 
384 /*
385  * Application prototypes
386  *
387  * All interfaces used by application will be configured
388  * out of the ACPICA build unless the ACPI_APPLICATION
389  * flag is defined.
390  */
391 #ifdef ACPI_APPLICATION
392 #define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
393 	prototype;
394 
395 #else
396 #define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
397 	static ACPI_INLINE prototype {return;}
398 
399 #endif				/* ACPI_APPLICATION */
400 
401 /*
402  * Debugger prototypes
403  *
404  * All interfaces used by debugger will be configured
405  * out of the ACPICA build unless the ACPI_DEBUGGER
406  * flag is defined.
407  */
408 #ifdef ACPI_DEBUGGER
409 #define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
410 	ACPI_EXTERNAL_RETURN_OK(prototype)
411 
412 #define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
413 	ACPI_EXTERNAL_RETURN_VOID(prototype)
414 
415 #else
416 #define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
417 	static ACPI_INLINE prototype {return(AE_OK);}
418 
419 #define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
420 	static ACPI_INLINE prototype {return;}
421 
422 #endif				/* ACPI_DEBUGGER */
423 
424 /*****************************************************************************
425  *
426  * ACPICA public interface prototypes
427  *
428  ****************************************************************************/
429 
430 /*
431  * Initialization
432  */
433 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
434 			    acpi_initialize_tables(struct acpi_table_desc
435 						   *initial_storage,
436 						   u32 initial_table_count,
437 						   u8 allow_resize))
438 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
439 			     acpi_initialize_subsystem(void))
440 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
441 			     acpi_enable_subsystem(u32 flags))
442 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
443 			     acpi_initialize_objects(u32 flags))
444 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
445 			     acpi_terminate(void))
446 
447 /*
448  * Miscellaneous global interfaces
449  */
450 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
451 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
452 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_subsystem_status(void))
453 
454 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
455 			    acpi_get_system_info(struct acpi_buffer
456 						 *ret_buffer))
457 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
458 			     acpi_get_statistics(struct acpi_statistics *stats))
459 ACPI_EXTERNAL_RETURN_PTR(const char
460 			  *acpi_format_exception(acpi_status exception))
461 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_purge_cached_objects(void))
462 
463 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
464 			    acpi_install_interface(acpi_string interface_name))
465 
466 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
467 			    acpi_remove_interface(acpi_string interface_name))
468 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_update_interfaces(u8 action))
469 
470 ACPI_EXTERNAL_RETURN_UINT32(u32
471 			    acpi_check_address_range(acpi_adr_space_type
472 						     space_id,
473 						     acpi_physical_address
474 						     address, acpi_size length,
475 						     u8 warn))
476 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
477 			     acpi_decode_pld_buffer(u8 *in_buffer,
478 						    acpi_size length,
479 						    struct acpi_pld_info
480 						    **return_buffer))
481 
482 /*
483  * ACPI table load/unload interfaces
484  */
485 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
486 			    acpi_install_table(acpi_physical_address address,
487 					       u8 physical))
488 
489 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
490 			    acpi_load_table(struct acpi_table_header *table))
491 
492 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
493 			    acpi_unload_parent_table(acpi_handle object))
494 
495 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
496 			    acpi_load_tables(void))
497 
498 /*
499  * ACPI table manipulation interfaces
500  */
501 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
502 			    acpi_reallocate_root_table(void))
503 
504 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
505 			    acpi_find_root_pointer(acpi_physical_address
506 						   *rsdp_address))
507 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
508 			     acpi_get_table_header(acpi_string signature,
509 						   u32 instance,
510 						   struct acpi_table_header
511 						   *out_table_header))
512 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
513 			     acpi_get_table(acpi_string signature, u32 instance,
514 					    struct acpi_table_header
515 					    **out_table))
516 ACPI_EXTERNAL_RETURN_VOID(void acpi_put_table(struct acpi_table_header *table))
517 
518 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
519 			    acpi_get_table_by_index(u32 table_index,
520 						    struct acpi_table_header
521 						    **out_table))
522 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
523 			     acpi_install_table_handler(acpi_table_handler
524 							handler, void *context))
525 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
526 			     acpi_remove_table_handler(acpi_table_handler
527 						       handler))
528 
529 /*
530  * Namespace and name interfaces
531  */
532 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
533 			    acpi_walk_namespace(acpi_object_type type,
534 						acpi_handle start_object,
535 						u32 max_depth,
536 						acpi_walk_callback
537 						descending_callback,
538 						acpi_walk_callback
539 						ascending_callback,
540 						void *context,
541 						void **return_value))
542 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
543 			     acpi_get_devices(const char *HID,
544 					      acpi_walk_callback user_function,
545 					      void *context,
546 					      void **return_value))
547 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
548 			     acpi_get_name(acpi_handle object, u32 name_type,
549 					   struct acpi_buffer *ret_path_ptr))
550 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
551 			     acpi_get_handle(acpi_handle parent,
552 					     acpi_string pathname,
553 					     acpi_handle *ret_handle))
554 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
555 			     acpi_attach_data(acpi_handle object,
556 					      acpi_object_handler handler,
557 					      void *data))
558 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
559 			     acpi_detach_data(acpi_handle object,
560 					      acpi_object_handler handler))
561 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
562 			     acpi_get_data(acpi_handle object,
563 					   acpi_object_handler handler,
564 					   void **data))
565 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
566 			     acpi_debug_trace(const char *name, u32 debug_level,
567 					      u32 debug_layer, u32 flags))
568 
569 /*
570  * Object manipulation and enumeration
571  */
572 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
573 			    acpi_evaluate_object(acpi_handle object,
574 						 acpi_string pathname,
575 						 struct acpi_object_list
576 						 *parameter_objects,
577 						 struct acpi_buffer
578 						 *return_object_buffer))
579 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
580 			     acpi_evaluate_object_typed(acpi_handle object,
581 							acpi_string pathname,
582 							struct acpi_object_list
583 							*external_params,
584 							struct acpi_buffer
585 							*return_buffer,
586 							acpi_object_type
587 							return_type))
588 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
589 			     acpi_get_object_info(acpi_handle object,
590 						  struct acpi_device_info
591 						  **return_buffer))
592 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_install_method(u8 *buffer))
593 
594 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
595 			    acpi_get_next_object(acpi_object_type type,
596 						 acpi_handle parent,
597 						 acpi_handle child,
598 						 acpi_handle *out_handle))
599 
600 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
601 			    acpi_get_type(acpi_handle object,
602 					  acpi_object_type *out_type))
603 
604 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
605 			    acpi_get_parent(acpi_handle object,
606 					    acpi_handle *out_handle))
607 
608 /*
609  * Handler interfaces
610  */
611 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
612 			    acpi_install_initialization_handler
613 			    (acpi_init_handler handler, u32 function))
614 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
615 				 acpi_install_sci_handler(acpi_sci_handler
616 							  address,
617 							  void *context))
618 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
619 				 acpi_remove_sci_handler(acpi_sci_handler
620 							 address))
621 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
622 				 acpi_install_global_event_handler
623 				 (acpi_gbl_event_handler handler,
624 				  void *context))
625 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
626 				 acpi_install_fixed_event_handler(u32
627 								  acpi_event,
628 								  acpi_event_handler
629 								  handler,
630 								  void
631 								  *context))
632 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
633 				 acpi_remove_fixed_event_handler(u32 acpi_event,
634 								 acpi_event_handler
635 								 handler))
636 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
637 				 acpi_install_gpe_handler(acpi_handle
638 							  gpe_device,
639 							  u32 gpe_number,
640 							  u32 type,
641 							  acpi_gpe_handler
642 							  address,
643 							  void *context))
644 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
645 				 acpi_install_gpe_raw_handler(acpi_handle
646 							      gpe_device,
647 							      u32 gpe_number,
648 							      u32 type,
649 							      acpi_gpe_handler
650 							      address,
651 							      void *context))
652 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
653 				 acpi_remove_gpe_handler(acpi_handle gpe_device,
654 							 u32 gpe_number,
655 							 acpi_gpe_handler
656 							 address))
657 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
658 			     acpi_install_notify_handler(acpi_handle device,
659 							 u32 handler_type,
660 							 acpi_notify_handler
661 							 handler,
662 							 void *context))
663 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
664 			     acpi_remove_notify_handler(acpi_handle device,
665 							u32 handler_type,
666 							acpi_notify_handler
667 							handler))
668 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
669 			     acpi_install_address_space_handler(acpi_handle
670 								device,
671 								acpi_adr_space_type
672 								space_id,
673 								acpi_adr_space_handler
674 								handler,
675 								acpi_adr_space_setup
676 								setup,
677 								void *context))
678 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
679 			     acpi_remove_address_space_handler(acpi_handle
680 							       device,
681 							       acpi_adr_space_type
682 							       space_id,
683 							       acpi_adr_space_handler
684 							       handler))
685 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
686 			     acpi_install_exception_handler
687 			     (acpi_exception_handler handler))
688 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
689 			     acpi_install_interface_handler
690 			     (acpi_interface_handler handler))
691 
692 /*
693  * Global Lock interfaces
694  */
695 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
696 				acpi_acquire_global_lock(u16 timeout,
697 							 u32 *handle))
698 
699 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
700 				acpi_release_global_lock(u32 handle))
701 
702 /*
703  * Interfaces to AML mutex objects
704  */
705 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
706 			    acpi_acquire_mutex(acpi_handle handle,
707 					       acpi_string pathname,
708 					       u16 timeout))
709 
710 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
711 			    acpi_release_mutex(acpi_handle handle,
712 					       acpi_string pathname))
713 
714 /*
715  * Fixed Event interfaces
716  */
717 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
718 				acpi_enable_event(u32 event, u32 flags))
719 
720 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
721 				acpi_disable_event(u32 event, u32 flags))
722 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
723 
724 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
725 				acpi_get_event_status(u32 event,
726 						      acpi_event_status
727 						      *event_status))
728 
729 /*
730  * General Purpose Event (GPE) Interfaces
731  */
732 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
733 
734 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
735 				acpi_enable_gpe(acpi_handle gpe_device,
736 						u32 gpe_number))
737 
738 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
739 				acpi_disable_gpe(acpi_handle gpe_device,
740 						 u32 gpe_number))
741 
742 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
743 				acpi_clear_gpe(acpi_handle gpe_device,
744 					       u32 gpe_number))
745 
746 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
747 				acpi_set_gpe(acpi_handle gpe_device,
748 					     u32 gpe_number, u8 action))
749 
750 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
751 				acpi_finish_gpe(acpi_handle gpe_device,
752 						u32 gpe_number))
753 
754 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
755 				acpi_mask_gpe(acpi_handle gpe_device,
756 					      u32 gpe_number, u8 is_masked))
757 
758 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
759 				acpi_mark_gpe_for_wake(acpi_handle gpe_device,
760 						       u32 gpe_number))
761 
762 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
763 				acpi_setup_gpe_for_wake(acpi_handle
764 							parent_device,
765 							acpi_handle gpe_device,
766 							u32 gpe_number))
767 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
768 				 acpi_set_gpe_wake_mask(acpi_handle gpe_device,
769 							u32 gpe_number,
770 							u8 action))
771 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
772 				 acpi_get_gpe_status(acpi_handle gpe_device,
773 						     u32 gpe_number,
774 						     acpi_event_status
775 						     *event_status))
776 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
777 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
778 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))
779 
780 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
781 				acpi_get_gpe_device(u32 gpe_index,
782 						    acpi_handle *gpe_device))
783 
784 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
785 				acpi_install_gpe_block(acpi_handle gpe_device,
786 						       struct
787 						       acpi_generic_address
788 						       *gpe_block_address,
789 						       u32 register_count,
790 						       u32 interrupt_number))
791 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
792 				 acpi_remove_gpe_block(acpi_handle gpe_device))
793 
794 /*
795  * Resource interfaces
796  */
797 typedef
798 acpi_status (*acpi_walk_resource_callback) (struct acpi_resource * resource,
799 					    void *context);
800 
801 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
802 			    acpi_get_vendor_resource(acpi_handle device,
803 						     char *name,
804 						     struct acpi_vendor_uuid
805 						     *uuid,
806 						     struct acpi_buffer
807 						     *ret_buffer))
808 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
809 			     acpi_get_current_resources(acpi_handle device,
810 							struct acpi_buffer
811 							*ret_buffer))
812 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
813 			     acpi_get_possible_resources(acpi_handle device,
814 							 struct acpi_buffer
815 							 *ret_buffer))
816 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
817 			     acpi_get_event_resources(acpi_handle device_handle,
818 						      struct acpi_buffer
819 						      *ret_buffer))
820 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
821 			     acpi_walk_resource_buffer(struct acpi_buffer
822 						       *buffer,
823 						       acpi_walk_resource_callback
824 						       user_function,
825 						       void *context))
826 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
827 			     acpi_walk_resources(acpi_handle device, char *name,
828 						 acpi_walk_resource_callback
829 						 user_function, void *context))
830 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
831 			     acpi_set_current_resources(acpi_handle device,
832 							struct acpi_buffer
833 							*in_buffer))
834 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
835 			     acpi_get_irq_routing_table(acpi_handle device,
836 							struct acpi_buffer
837 							*ret_buffer))
838 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
839 			     acpi_resource_to_address64(struct acpi_resource
840 							*resource,
841 							struct
842 							acpi_resource_address64
843 							*out))
844 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
845 			     acpi_buffer_to_resource(u8 *aml_buffer,
846 						     u16 aml_buffer_length,
847 						     struct acpi_resource
848 						     **resource_ptr))
849 
850 /*
851  * Hardware (ACPI device) interfaces
852  */
853 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_reset(void))
854 
855 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
856 			    acpi_read(u64 *value,
857 				      struct acpi_generic_address *reg))
858 
859 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
860 			    acpi_write(u64 value,
861 				       struct acpi_generic_address *reg))
862 
863 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
864 				acpi_read_bit_register(u32 register_id,
865 						       u32 *return_value))
866 
867 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
868 				acpi_write_bit_register(u32 register_id,
869 							u32 value))
870 
871 /*
872  * Sleep/Wake interfaces
873  */
874 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
875 			    acpi_get_sleep_type_data(u8 sleep_state,
876 						     u8 *slp_typ_a,
877 						     u8 *slp_typ_b))
878 
879 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
880 			    acpi_enter_sleep_state_prep(u8 sleep_state))
881 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_enter_sleep_state(u8 sleep_state))
882 
883 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enter_sleep_state_s4bios(void))
884 
885 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
886 			    acpi_leave_sleep_state_prep(u8 sleep_state))
887 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_leave_sleep_state(u8 sleep_state))
888 
889 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
890 				acpi_set_firmware_waking_vector
891 				(acpi_physical_address physical_address,
892 				 acpi_physical_address physical_address64))
893 /*
894  * ACPI Timer interfaces
895  */
896 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
897 				acpi_get_timer_resolution(u32 *resolution))
898 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
899 
900 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
901 				acpi_get_timer_duration(u32 start_ticks,
902 							u32 end_ticks,
903 							u32 *time_elapsed))
904 
905 /*
906  * Error/Warning output
907  */
908 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
909 			       void ACPI_INTERNAL_VAR_XFACE
910 			       acpi_error(const char *module_name,
911 					  u32 line_number,
912 					  const char *format, ...))
913 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
914 				void ACPI_INTERNAL_VAR_XFACE
915 				acpi_exception(const char *module_name,
916 					       u32 line_number,
917 					       acpi_status status,
918 					       const char *format, ...))
919 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
920 				void ACPI_INTERNAL_VAR_XFACE
921 				acpi_warning(const char *module_name,
922 					     u32 line_number,
923 					     const char *format, ...))
924 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(1)
925 				void ACPI_INTERNAL_VAR_XFACE
926 				acpi_info(const char *format, ...))
927 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
928 				void ACPI_INTERNAL_VAR_XFACE
929 				acpi_bios_error(const char *module_name,
930 						u32 line_number,
931 						const char *format, ...))
932 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
933 				void ACPI_INTERNAL_VAR_XFACE
934 				acpi_bios_warning(const char *module_name,
935 						  u32 line_number,
936 						  const char *format, ...))
937 
938 /*
939  * Debug output
940  */
941 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
942 			       void ACPI_INTERNAL_VAR_XFACE
943 			       acpi_debug_print(u32 requested_debug_level,
944 						u32 line_number,
945 						const char *function_name,
946 						const char *module_name,
947 						u32 component_id,
948 						const char *format, ...))
949 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
950 				void ACPI_INTERNAL_VAR_XFACE
951 				acpi_debug_print_raw(u32 requested_debug_level,
952 						     u32 line_number,
953 						     const char *function_name,
954 						     const char *module_name,
955 						     u32 component_id,
956 						     const char *format, ...))
957 
958 ACPI_DBG_DEPENDENT_RETURN_VOID(void
959 			       acpi_trace_point(acpi_trace_event_type type,
960 						u8 begin,
961 						u8 *aml, char *pathname))
962 
963 acpi_status acpi_initialize_debugger(void);
964 
965 void acpi_terminate_debugger(void);
966 
967 /*
968  * Divergences
969  */
970 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
971 			    acpi_get_data_full(acpi_handle object,
972 					       acpi_object_handler handler,
973 					       void **data,
974 					       void (*callback)(void *)))
975 
976 void acpi_run_debugger(char *batch_buffer);
977 
978 void acpi_set_debugger_thread_id(acpi_thread_id thread_id);
979 
980 #endif				/* __ACXFACE_H__ */
981