xref: /linux/include/acpi/acpixf.h (revision 372e2db7210df7c45ead46429aeb1443ba148060)
1 /******************************************************************************
2  *
3  * Name: acpixf.h - External interfaces to the ACPI subsystem
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2016, 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                 0x20160930
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_STATUS(acpi_status
517 			     acpi_get_table_by_index(u32 table_index,
518 						     struct acpi_table_header
519 						     **out_table))
520 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
521 			     acpi_install_table_handler(acpi_table_handler
522 							handler, void *context))
523 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
524 			     acpi_remove_table_handler(acpi_table_handler
525 						       handler))
526 
527 /*
528  * Namespace and name interfaces
529  */
530 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
531 			    acpi_walk_namespace(acpi_object_type type,
532 						acpi_handle start_object,
533 						u32 max_depth,
534 						acpi_walk_callback
535 						descending_callback,
536 						acpi_walk_callback
537 						ascending_callback,
538 						void *context,
539 						void **return_value))
540 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
541 			     acpi_get_devices(const char *HID,
542 					      acpi_walk_callback user_function,
543 					      void *context,
544 					      void **return_value))
545 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
546 			     acpi_get_name(acpi_handle object, u32 name_type,
547 					   struct acpi_buffer *ret_path_ptr))
548 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
549 			     acpi_get_handle(acpi_handle parent,
550 					     acpi_string pathname,
551 					     acpi_handle *ret_handle))
552 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
553 			     acpi_attach_data(acpi_handle object,
554 					      acpi_object_handler handler,
555 					      void *data))
556 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
557 			     acpi_detach_data(acpi_handle object,
558 					      acpi_object_handler handler))
559 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
560 			     acpi_get_data(acpi_handle object,
561 					   acpi_object_handler handler,
562 					   void **data))
563 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
564 			     acpi_debug_trace(const char *name, u32 debug_level,
565 					      u32 debug_layer, u32 flags))
566 
567 /*
568  * Object manipulation and enumeration
569  */
570 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
571 			    acpi_evaluate_object(acpi_handle object,
572 						 acpi_string pathname,
573 						 struct acpi_object_list
574 						 *parameter_objects,
575 						 struct acpi_buffer
576 						 *return_object_buffer))
577 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
578 			     acpi_evaluate_object_typed(acpi_handle object,
579 							acpi_string pathname,
580 							struct acpi_object_list
581 							*external_params,
582 							struct acpi_buffer
583 							*return_buffer,
584 							acpi_object_type
585 							return_type))
586 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
587 			     acpi_get_object_info(acpi_handle object,
588 						  struct acpi_device_info
589 						  **return_buffer))
590 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_install_method(u8 *buffer))
591 
592 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
593 			    acpi_get_next_object(acpi_object_type type,
594 						 acpi_handle parent,
595 						 acpi_handle child,
596 						 acpi_handle *out_handle))
597 
598 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
599 			    acpi_get_type(acpi_handle object,
600 					  acpi_object_type *out_type))
601 
602 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
603 			    acpi_get_parent(acpi_handle object,
604 					    acpi_handle *out_handle))
605 
606 /*
607  * Handler interfaces
608  */
609 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
610 			    acpi_install_initialization_handler
611 			    (acpi_init_handler handler, u32 function))
612 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
613 				 acpi_install_sci_handler(acpi_sci_handler
614 							  address,
615 							  void *context))
616 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
617 				 acpi_remove_sci_handler(acpi_sci_handler
618 							 address))
619 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
620 				 acpi_install_global_event_handler
621 				 (acpi_gbl_event_handler handler,
622 				  void *context))
623 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
624 				 acpi_install_fixed_event_handler(u32
625 								  acpi_event,
626 								  acpi_event_handler
627 								  handler,
628 								  void
629 								  *context))
630 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
631 				 acpi_remove_fixed_event_handler(u32 acpi_event,
632 								 acpi_event_handler
633 								 handler))
634 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
635 				 acpi_install_gpe_handler(acpi_handle
636 							  gpe_device,
637 							  u32 gpe_number,
638 							  u32 type,
639 							  acpi_gpe_handler
640 							  address,
641 							  void *context))
642 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
643 				 acpi_install_gpe_raw_handler(acpi_handle
644 							      gpe_device,
645 							      u32 gpe_number,
646 							      u32 type,
647 							      acpi_gpe_handler
648 							      address,
649 							      void *context))
650 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
651 				 acpi_remove_gpe_handler(acpi_handle gpe_device,
652 							 u32 gpe_number,
653 							 acpi_gpe_handler
654 							 address))
655 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
656 			     acpi_install_notify_handler(acpi_handle device,
657 							 u32 handler_type,
658 							 acpi_notify_handler
659 							 handler,
660 							 void *context))
661 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
662 			     acpi_remove_notify_handler(acpi_handle device,
663 							u32 handler_type,
664 							acpi_notify_handler
665 							handler))
666 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
667 			     acpi_install_address_space_handler(acpi_handle
668 								device,
669 								acpi_adr_space_type
670 								space_id,
671 								acpi_adr_space_handler
672 								handler,
673 								acpi_adr_space_setup
674 								setup,
675 								void *context))
676 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
677 			     acpi_remove_address_space_handler(acpi_handle
678 							       device,
679 							       acpi_adr_space_type
680 							       space_id,
681 							       acpi_adr_space_handler
682 							       handler))
683 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
684 			     acpi_install_exception_handler
685 			     (acpi_exception_handler handler))
686 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
687 			     acpi_install_interface_handler
688 			     (acpi_interface_handler handler))
689 
690 /*
691  * Global Lock interfaces
692  */
693 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
694 				acpi_acquire_global_lock(u16 timeout,
695 							 u32 *handle))
696 
697 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
698 				acpi_release_global_lock(u32 handle))
699 
700 /*
701  * Interfaces to AML mutex objects
702  */
703 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
704 			    acpi_acquire_mutex(acpi_handle handle,
705 					       acpi_string pathname,
706 					       u16 timeout))
707 
708 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
709 			    acpi_release_mutex(acpi_handle handle,
710 					       acpi_string pathname))
711 
712 /*
713  * Fixed Event interfaces
714  */
715 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
716 				acpi_enable_event(u32 event, u32 flags))
717 
718 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
719 				acpi_disable_event(u32 event, u32 flags))
720 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
721 
722 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
723 				acpi_get_event_status(u32 event,
724 						      acpi_event_status
725 						      *event_status))
726 
727 /*
728  * General Purpose Event (GPE) Interfaces
729  */
730 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
731 
732 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
733 				acpi_enable_gpe(acpi_handle gpe_device,
734 						u32 gpe_number))
735 
736 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
737 				acpi_disable_gpe(acpi_handle gpe_device,
738 						 u32 gpe_number))
739 
740 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
741 				acpi_clear_gpe(acpi_handle gpe_device,
742 					       u32 gpe_number))
743 
744 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
745 				acpi_set_gpe(acpi_handle gpe_device,
746 					     u32 gpe_number, u8 action))
747 
748 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
749 				acpi_finish_gpe(acpi_handle gpe_device,
750 						u32 gpe_number))
751 
752 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
753 				acpi_mask_gpe(acpi_handle gpe_device,
754 					      u32 gpe_number, u8 is_masked))
755 
756 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
757 				acpi_mark_gpe_for_wake(acpi_handle gpe_device,
758 						       u32 gpe_number))
759 
760 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
761 				acpi_setup_gpe_for_wake(acpi_handle
762 							parent_device,
763 							acpi_handle gpe_device,
764 							u32 gpe_number))
765 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
766 				 acpi_set_gpe_wake_mask(acpi_handle gpe_device,
767 							u32 gpe_number,
768 							u8 action))
769 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
770 				 acpi_get_gpe_status(acpi_handle gpe_device,
771 						     u32 gpe_number,
772 						     acpi_event_status
773 						     *event_status))
774 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
775 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
776 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))
777 
778 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
779 				acpi_get_gpe_device(u32 gpe_index,
780 						    acpi_handle *gpe_device))
781 
782 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
783 				acpi_install_gpe_block(acpi_handle gpe_device,
784 						       struct
785 						       acpi_generic_address
786 						       *gpe_block_address,
787 						       u32 register_count,
788 						       u32 interrupt_number))
789 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
790 				 acpi_remove_gpe_block(acpi_handle gpe_device))
791 
792 /*
793  * Resource interfaces
794  */
795 typedef
796 acpi_status (*acpi_walk_resource_callback) (struct acpi_resource * resource,
797 					    void *context);
798 
799 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
800 			    acpi_get_vendor_resource(acpi_handle device,
801 						     char *name,
802 						     struct acpi_vendor_uuid
803 						     *uuid,
804 						     struct acpi_buffer
805 						     *ret_buffer))
806 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
807 			     acpi_get_current_resources(acpi_handle device,
808 							struct acpi_buffer
809 							*ret_buffer))
810 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
811 			     acpi_get_possible_resources(acpi_handle device,
812 							 struct acpi_buffer
813 							 *ret_buffer))
814 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
815 			     acpi_get_event_resources(acpi_handle device_handle,
816 						      struct acpi_buffer
817 						      *ret_buffer))
818 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
819 			     acpi_walk_resource_buffer(struct acpi_buffer
820 						       *buffer,
821 						       acpi_walk_resource_callback
822 						       user_function,
823 						       void *context))
824 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
825 			     acpi_walk_resources(acpi_handle device, char *name,
826 						 acpi_walk_resource_callback
827 						 user_function, void *context))
828 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
829 			     acpi_set_current_resources(acpi_handle device,
830 							struct acpi_buffer
831 							*in_buffer))
832 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
833 			     acpi_get_irq_routing_table(acpi_handle device,
834 							struct acpi_buffer
835 							*ret_buffer))
836 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
837 			     acpi_resource_to_address64(struct acpi_resource
838 							*resource,
839 							struct
840 							acpi_resource_address64
841 							*out))
842 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
843 			     acpi_buffer_to_resource(u8 *aml_buffer,
844 						     u16 aml_buffer_length,
845 						     struct acpi_resource
846 						     **resource_ptr))
847 
848 /*
849  * Hardware (ACPI device) interfaces
850  */
851 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_reset(void))
852 
853 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
854 			    acpi_read(u64 *value,
855 				      struct acpi_generic_address *reg))
856 
857 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
858 			    acpi_write(u64 value,
859 				       struct acpi_generic_address *reg))
860 
861 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
862 				acpi_read_bit_register(u32 register_id,
863 						       u32 *return_value))
864 
865 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
866 				acpi_write_bit_register(u32 register_id,
867 							u32 value))
868 
869 /*
870  * Sleep/Wake interfaces
871  */
872 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
873 			    acpi_get_sleep_type_data(u8 sleep_state,
874 						     u8 *slp_typ_a,
875 						     u8 *slp_typ_b))
876 
877 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
878 			    acpi_enter_sleep_state_prep(u8 sleep_state))
879 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_enter_sleep_state(u8 sleep_state))
880 
881 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enter_sleep_state_s4bios(void))
882 
883 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
884 			    acpi_leave_sleep_state_prep(u8 sleep_state))
885 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_leave_sleep_state(u8 sleep_state))
886 
887 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
888 				acpi_set_firmware_waking_vector
889 				(acpi_physical_address physical_address,
890 				 acpi_physical_address physical_address64))
891 /*
892  * ACPI Timer interfaces
893  */
894 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
895 				acpi_get_timer_resolution(u32 *resolution))
896 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
897 
898 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
899 				acpi_get_timer_duration(u32 start_ticks,
900 							u32 end_ticks,
901 							u32 *time_elapsed))
902 
903 /*
904  * Error/Warning output
905  */
906 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
907 			       void ACPI_INTERNAL_VAR_XFACE
908 			       acpi_error(const char *module_name,
909 					  u32 line_number,
910 					  const char *format, ...))
911 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
912 				void ACPI_INTERNAL_VAR_XFACE
913 				acpi_exception(const char *module_name,
914 					       u32 line_number,
915 					       acpi_status status,
916 					       const char *format, ...))
917 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
918 				void ACPI_INTERNAL_VAR_XFACE
919 				acpi_warning(const char *module_name,
920 					     u32 line_number,
921 					     const char *format, ...))
922 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(1)
923 				void ACPI_INTERNAL_VAR_XFACE
924 				acpi_info(const char *format, ...))
925 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
926 				void ACPI_INTERNAL_VAR_XFACE
927 				acpi_bios_error(const char *module_name,
928 						u32 line_number,
929 						const char *format, ...))
930 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
931 				void ACPI_INTERNAL_VAR_XFACE
932 				acpi_bios_warning(const char *module_name,
933 						  u32 line_number,
934 						  const char *format, ...))
935 
936 /*
937  * Debug output
938  */
939 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
940 			       void ACPI_INTERNAL_VAR_XFACE
941 			       acpi_debug_print(u32 requested_debug_level,
942 						u32 line_number,
943 						const char *function_name,
944 						const char *module_name,
945 						u32 component_id,
946 						const char *format, ...))
947 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
948 				void ACPI_INTERNAL_VAR_XFACE
949 				acpi_debug_print_raw(u32 requested_debug_level,
950 						     u32 line_number,
951 						     const char *function_name,
952 						     const char *module_name,
953 						     u32 component_id,
954 						     const char *format, ...))
955 
956 ACPI_DBG_DEPENDENT_RETURN_VOID(void
957 			       acpi_trace_point(acpi_trace_event_type type,
958 						u8 begin,
959 						u8 *aml, char *pathname))
960 
961 acpi_status acpi_initialize_debugger(void);
962 
963 void acpi_terminate_debugger(void);
964 
965 /*
966  * Divergences
967  */
968 ACPI_GLOBAL(u8, acpi_gbl_permanent_mmap);
969 
970 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
971 			    acpi_get_table_with_size(acpi_string signature,
972 						     u32 instance,
973 						     struct acpi_table_header
974 						     **out_table,
975 						     acpi_size *tbl_size))
976 
977 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
978 			    acpi_get_data_full(acpi_handle object,
979 					       acpi_object_handler handler,
980 					       void **data,
981 					       void (*callback)(void *)))
982 
983 void acpi_run_debugger(char *batch_buffer);
984 
985 void acpi_set_debugger_thread_id(acpi_thread_id thread_id);
986 
987 #endif				/* __ACXFACE_H__ */
988