Merge tag 'for-linus-4.9-rc2-ofs-1' of git://git.kernel.org/pub/scm/linux/kernel...
[cascardo/linux.git] / include / acpi / acpixf.h
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                 0x20160831
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  * This mechanism is used to trace a specified AML method. The method is
263  * traced each time it is executed.
264  */
265 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_flags, 0);
266 ACPI_INIT_GLOBAL(const char *, acpi_gbl_trace_method_name, NULL);
267 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_level, ACPI_TRACE_LEVEL_DEFAULT);
268 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_layer, ACPI_TRACE_LAYER_DEFAULT);
269
270 /*
271  * Runtime configuration of debug output control masks. We want the debug
272  * switches statically initialized so they are already set when the debugger
273  * is entered.
274  */
275 ACPI_INIT_GLOBAL(u32, acpi_dbg_level, ACPI_DEBUG_DEFAULT);
276 ACPI_INIT_GLOBAL(u32, acpi_dbg_layer, 0);
277
278 /* Optionally enable timer output with Debug Object output */
279
280 ACPI_INIT_GLOBAL(u8, acpi_gbl_display_debug_timer, FALSE);
281
282 /*
283  * Debugger command handshake globals. Host OSes need to access these
284  * variables to implement their own command handshake mechanism.
285  */
286 #ifdef ACPI_DEBUGGER
287 ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE);
288 ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]);
289 #endif
290
291 /*
292  * Other miscellaneous globals
293  */
294 ACPI_GLOBAL(struct acpi_table_fadt, acpi_gbl_FADT);
295 ACPI_GLOBAL(u32, acpi_current_gpe_count);
296 ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running);
297
298 /*****************************************************************************
299  *
300  * ACPICA public interface configuration.
301  *
302  * Interfaces that are configured out of the ACPICA build are replaced
303  * by inlined stubs by default.
304  *
305  ****************************************************************************/
306
307 /*
308  * Hardware-reduced prototypes (default: Not hardware reduced).
309  *
310  * All ACPICA hardware-related interfaces that use these macros will be
311  * configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
312  * is set to TRUE.
313  *
314  * Note: This static build option for reduced hardware is intended to
315  * reduce ACPICA code size if desired or necessary. However, even if this
316  * option is not specified, the runtime behavior of ACPICA is dependent
317  * on the actual FADT reduced hardware flag (HW_REDUCED_ACPI). If set,
318  * the flag will enable similar behavior -- ACPICA will not attempt
319  * to access any ACPI-relate hardware (SCI, GPEs, Fixed Events, etc.)
320  */
321 #if (!ACPI_REDUCED_HARDWARE)
322 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
323         ACPI_EXTERNAL_RETURN_STATUS(prototype)
324
325 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
326         ACPI_EXTERNAL_RETURN_OK(prototype)
327
328 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
329         ACPI_EXTERNAL_RETURN_VOID(prototype)
330
331 #else
332 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
333         static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
334
335 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
336         static ACPI_INLINE prototype {return(AE_OK);}
337
338 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
339         static ACPI_INLINE prototype {return;}
340
341 #endif                          /* !ACPI_REDUCED_HARDWARE */
342
343 /*
344  * Error message prototypes (default: error messages enabled).
345  *
346  * All interfaces related to error and warning messages
347  * will be configured out of the ACPICA build if the
348  * ACPI_NO_ERROR_MESSAGE flag is defined.
349  */
350 #ifndef ACPI_NO_ERROR_MESSAGES
351 #define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
352         prototype;
353
354 #else
355 #define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
356         static ACPI_INLINE prototype {return;}
357
358 #endif                          /* ACPI_NO_ERROR_MESSAGES */
359
360 /*
361  * Debugging output prototypes (default: no debug output).
362  *
363  * All interfaces related to debug output messages
364  * will be configured out of the ACPICA build unless the
365  * ACPI_DEBUG_OUTPUT flag is defined.
366  */
367 #ifdef ACPI_DEBUG_OUTPUT
368 #define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
369         prototype;
370
371 #else
372 #define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
373         static ACPI_INLINE prototype {return;}
374
375 #endif                          /* ACPI_DEBUG_OUTPUT */
376
377 /*
378  * Application prototypes
379  *
380  * All interfaces used by application will be configured
381  * out of the ACPICA build unless the ACPI_APPLICATION
382  * flag is defined.
383  */
384 #ifdef ACPI_APPLICATION
385 #define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
386         prototype;
387
388 #else
389 #define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
390         static ACPI_INLINE prototype {return;}
391
392 #endif                          /* ACPI_APPLICATION */
393
394 /*
395  * Debugger prototypes
396  *
397  * All interfaces used by debugger will be configured
398  * out of the ACPICA build unless the ACPI_DEBUGGER
399  * flag is defined.
400  */
401 #ifdef ACPI_DEBUGGER
402 #define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
403         ACPI_EXTERNAL_RETURN_OK(prototype)
404
405 #define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
406         ACPI_EXTERNAL_RETURN_VOID(prototype)
407
408 #else
409 #define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
410         static ACPI_INLINE prototype {return(AE_OK);}
411
412 #define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
413         static ACPI_INLINE prototype {return;}
414
415 #endif                          /* ACPI_DEBUGGER */
416
417 /*****************************************************************************
418  *
419  * ACPICA public interface prototypes
420  *
421  ****************************************************************************/
422
423 /*
424  * Initialization
425  */
426 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
427                             acpi_initialize_tables(struct acpi_table_desc
428                                                    *initial_storage,
429                                                    u32 initial_table_count,
430                                                    u8 allow_resize))
431 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
432                              acpi_initialize_subsystem(void))
433 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
434                              acpi_enable_subsystem(u32 flags))
435 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
436                              acpi_initialize_objects(u32 flags))
437 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
438                              acpi_terminate(void))
439
440 /*
441  * Miscellaneous global interfaces
442  */
443 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
444 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
445 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_subsystem_status(void))
446
447 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
448                             acpi_get_system_info(struct acpi_buffer
449                                                  *ret_buffer))
450 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
451                              acpi_get_statistics(struct acpi_statistics *stats))
452 ACPI_EXTERNAL_RETURN_PTR(const char
453                           *acpi_format_exception(acpi_status exception))
454 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_purge_cached_objects(void))
455
456 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
457                             acpi_install_interface(acpi_string interface_name))
458
459 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
460                             acpi_remove_interface(acpi_string interface_name))
461 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_update_interfaces(u8 action))
462
463 ACPI_EXTERNAL_RETURN_UINT32(u32
464                             acpi_check_address_range(acpi_adr_space_type
465                                                      space_id,
466                                                      acpi_physical_address
467                                                      address, acpi_size length,
468                                                      u8 warn))
469 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
470                              acpi_decode_pld_buffer(u8 *in_buffer,
471                                                     acpi_size length,
472                                                     struct acpi_pld_info
473                                                     **return_buffer))
474
475 /*
476  * ACPI table load/unload interfaces
477  */
478 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
479                             acpi_install_table(acpi_physical_address address,
480                                                u8 physical))
481
482 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
483                             acpi_load_table(struct acpi_table_header *table))
484
485 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
486                             acpi_unload_parent_table(acpi_handle object))
487
488 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
489                             acpi_load_tables(void))
490
491 /*
492  * ACPI table manipulation interfaces
493  */
494 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
495                             acpi_reallocate_root_table(void))
496
497 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
498                             acpi_find_root_pointer(acpi_physical_address
499                                                    *rsdp_address))
500 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
501                              acpi_get_table_header(acpi_string signature,
502                                                    u32 instance,
503                                                    struct acpi_table_header
504                                                    *out_table_header))
505 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
506                              acpi_get_table(acpi_string signature, u32 instance,
507                                             struct acpi_table_header
508                                             **out_table))
509 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
510                              acpi_get_table_by_index(u32 table_index,
511                                                      struct acpi_table_header
512                                                      **out_table))
513 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
514                              acpi_install_table_handler(acpi_table_handler
515                                                         handler, void *context))
516 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
517                              acpi_remove_table_handler(acpi_table_handler
518                                                        handler))
519
520 /*
521  * Namespace and name interfaces
522  */
523 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
524                             acpi_walk_namespace(acpi_object_type type,
525                                                 acpi_handle start_object,
526                                                 u32 max_depth,
527                                                 acpi_walk_callback
528                                                 descending_callback,
529                                                 acpi_walk_callback
530                                                 ascending_callback,
531                                                 void *context,
532                                                 void **return_value))
533 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
534                              acpi_get_devices(const char *HID,
535                                               acpi_walk_callback user_function,
536                                               void *context,
537                                               void **return_value))
538 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
539                              acpi_get_name(acpi_handle object, u32 name_type,
540                                            struct acpi_buffer *ret_path_ptr))
541 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
542                              acpi_get_handle(acpi_handle parent,
543                                              acpi_string pathname,
544                                              acpi_handle *ret_handle))
545 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
546                              acpi_attach_data(acpi_handle object,
547                                               acpi_object_handler handler,
548                                               void *data))
549 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
550                              acpi_detach_data(acpi_handle object,
551                                               acpi_object_handler handler))
552 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
553                              acpi_get_data(acpi_handle object,
554                                            acpi_object_handler handler,
555                                            void **data))
556 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
557                              acpi_debug_trace(const char *name, u32 debug_level,
558                                               u32 debug_layer, u32 flags))
559
560 /*
561  * Object manipulation and enumeration
562  */
563 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
564                             acpi_evaluate_object(acpi_handle object,
565                                                  acpi_string pathname,
566                                                  struct acpi_object_list
567                                                  *parameter_objects,
568                                                  struct acpi_buffer
569                                                  *return_object_buffer))
570 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
571                              acpi_evaluate_object_typed(acpi_handle object,
572                                                         acpi_string pathname,
573                                                         struct acpi_object_list
574                                                         *external_params,
575                                                         struct acpi_buffer
576                                                         *return_buffer,
577                                                         acpi_object_type
578                                                         return_type))
579 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
580                              acpi_get_object_info(acpi_handle object,
581                                                   struct acpi_device_info
582                                                   **return_buffer))
583 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_install_method(u8 *buffer))
584
585 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
586                             acpi_get_next_object(acpi_object_type type,
587                                                  acpi_handle parent,
588                                                  acpi_handle child,
589                                                  acpi_handle *out_handle))
590
591 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
592                             acpi_get_type(acpi_handle object,
593                                           acpi_object_type *out_type))
594
595 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
596                             acpi_get_parent(acpi_handle object,
597                                             acpi_handle *out_handle))
598
599 /*
600  * Handler interfaces
601  */
602 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
603                             acpi_install_initialization_handler
604                             (acpi_init_handler handler, u32 function))
605 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
606                                  acpi_install_sci_handler(acpi_sci_handler
607                                                           address,
608                                                           void *context))
609 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
610                                  acpi_remove_sci_handler(acpi_sci_handler
611                                                          address))
612 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
613                                  acpi_install_global_event_handler
614                                  (acpi_gbl_event_handler handler,
615                                   void *context))
616 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
617                                  acpi_install_fixed_event_handler(u32
618                                                                   acpi_event,
619                                                                   acpi_event_handler
620                                                                   handler,
621                                                                   void
622                                                                   *context))
623 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
624                                  acpi_remove_fixed_event_handler(u32 acpi_event,
625                                                                  acpi_event_handler
626                                                                  handler))
627 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
628                                  acpi_install_gpe_handler(acpi_handle
629                                                           gpe_device,
630                                                           u32 gpe_number,
631                                                           u32 type,
632                                                           acpi_gpe_handler
633                                                           address,
634                                                           void *context))
635 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
636                                  acpi_install_gpe_raw_handler(acpi_handle
637                                                               gpe_device,
638                                                               u32 gpe_number,
639                                                               u32 type,
640                                                               acpi_gpe_handler
641                                                               address,
642                                                               void *context))
643 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
644                                  acpi_remove_gpe_handler(acpi_handle gpe_device,
645                                                          u32 gpe_number,
646                                                          acpi_gpe_handler
647                                                          address))
648 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
649                              acpi_install_notify_handler(acpi_handle device,
650                                                          u32 handler_type,
651                                                          acpi_notify_handler
652                                                          handler,
653                                                          void *context))
654 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
655                              acpi_remove_notify_handler(acpi_handle device,
656                                                         u32 handler_type,
657                                                         acpi_notify_handler
658                                                         handler))
659 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
660                              acpi_install_address_space_handler(acpi_handle
661                                                                 device,
662                                                                 acpi_adr_space_type
663                                                                 space_id,
664                                                                 acpi_adr_space_handler
665                                                                 handler,
666                                                                 acpi_adr_space_setup
667                                                                 setup,
668                                                                 void *context))
669 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
670                              acpi_remove_address_space_handler(acpi_handle
671                                                                device,
672                                                                acpi_adr_space_type
673                                                                space_id,
674                                                                acpi_adr_space_handler
675                                                                handler))
676 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
677                              acpi_install_exception_handler
678                              (acpi_exception_handler handler))
679 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
680                              acpi_install_interface_handler
681                              (acpi_interface_handler handler))
682
683 /*
684  * Global Lock interfaces
685  */
686 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
687                                 acpi_acquire_global_lock(u16 timeout,
688                                                          u32 *handle))
689
690 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
691                                 acpi_release_global_lock(u32 handle))
692
693 /*
694  * Interfaces to AML mutex objects
695  */
696 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
697                             acpi_acquire_mutex(acpi_handle handle,
698                                                acpi_string pathname,
699                                                u16 timeout))
700
701 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
702                             acpi_release_mutex(acpi_handle handle,
703                                                acpi_string pathname))
704
705 /*
706  * Fixed Event interfaces
707  */
708 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
709                                 acpi_enable_event(u32 event, u32 flags))
710
711 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
712                                 acpi_disable_event(u32 event, u32 flags))
713 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
714
715 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
716                                 acpi_get_event_status(u32 event,
717                                                       acpi_event_status
718                                                       *event_status))
719
720 /*
721  * General Purpose Event (GPE) Interfaces
722  */
723 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
724
725 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
726                                 acpi_enable_gpe(acpi_handle gpe_device,
727                                                 u32 gpe_number))
728
729 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
730                                 acpi_disable_gpe(acpi_handle gpe_device,
731                                                  u32 gpe_number))
732
733 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
734                                 acpi_clear_gpe(acpi_handle gpe_device,
735                                                u32 gpe_number))
736
737 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
738                                 acpi_set_gpe(acpi_handle gpe_device,
739                                              u32 gpe_number, u8 action))
740
741 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
742                                 acpi_finish_gpe(acpi_handle gpe_device,
743                                                 u32 gpe_number))
744
745 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
746                                 acpi_mask_gpe(acpi_handle gpe_device,
747                                               u32 gpe_number, u8 is_masked))
748
749 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
750                                 acpi_mark_gpe_for_wake(acpi_handle gpe_device,
751                                                        u32 gpe_number))
752
753 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
754                                 acpi_setup_gpe_for_wake(acpi_handle
755                                                         parent_device,
756                                                         acpi_handle gpe_device,
757                                                         u32 gpe_number))
758 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
759                                  acpi_set_gpe_wake_mask(acpi_handle gpe_device,
760                                                         u32 gpe_number,
761                                                         u8 action))
762 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
763                                  acpi_get_gpe_status(acpi_handle gpe_device,
764                                                      u32 gpe_number,
765                                                      acpi_event_status
766                                                      *event_status))
767 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
768 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
769 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))
770
771 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
772                                 acpi_get_gpe_device(u32 gpe_index,
773                                                     acpi_handle *gpe_device))
774
775 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
776                                 acpi_install_gpe_block(acpi_handle gpe_device,
777                                                        struct
778                                                        acpi_generic_address
779                                                        *gpe_block_address,
780                                                        u32 register_count,
781                                                        u32 interrupt_number))
782 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
783                                  acpi_remove_gpe_block(acpi_handle gpe_device))
784
785 /*
786  * Resource interfaces
787  */
788 typedef
789 acpi_status (*acpi_walk_resource_callback) (struct acpi_resource * resource,
790                                             void *context);
791
792 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
793                             acpi_get_vendor_resource(acpi_handle device,
794                                                      char *name,
795                                                      struct acpi_vendor_uuid
796                                                      *uuid,
797                                                      struct acpi_buffer
798                                                      *ret_buffer))
799 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
800                              acpi_get_current_resources(acpi_handle device,
801                                                         struct acpi_buffer
802                                                         *ret_buffer))
803 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
804                              acpi_get_possible_resources(acpi_handle device,
805                                                          struct acpi_buffer
806                                                          *ret_buffer))
807 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
808                              acpi_get_event_resources(acpi_handle device_handle,
809                                                       struct acpi_buffer
810                                                       *ret_buffer))
811 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
812                              acpi_walk_resource_buffer(struct acpi_buffer
813                                                        *buffer,
814                                                        acpi_walk_resource_callback
815                                                        user_function,
816                                                        void *context))
817 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
818                              acpi_walk_resources(acpi_handle device, char *name,
819                                                  acpi_walk_resource_callback
820                                                  user_function, void *context))
821 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
822                              acpi_set_current_resources(acpi_handle device,
823                                                         struct acpi_buffer
824                                                         *in_buffer))
825 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
826                              acpi_get_irq_routing_table(acpi_handle device,
827                                                         struct acpi_buffer
828                                                         *ret_buffer))
829 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
830                              acpi_resource_to_address64(struct acpi_resource
831                                                         *resource,
832                                                         struct
833                                                         acpi_resource_address64
834                                                         *out))
835 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
836                              acpi_buffer_to_resource(u8 *aml_buffer,
837                                                      u16 aml_buffer_length,
838                                                      struct acpi_resource
839                                                      **resource_ptr))
840
841 /*
842  * Hardware (ACPI device) interfaces
843  */
844 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_reset(void))
845
846 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
847                             acpi_read(u64 *value,
848                                       struct acpi_generic_address *reg))
849
850 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
851                             acpi_write(u64 value,
852                                        struct acpi_generic_address *reg))
853
854 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
855                                 acpi_read_bit_register(u32 register_id,
856                                                        u32 *return_value))
857
858 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
859                                 acpi_write_bit_register(u32 register_id,
860                                                         u32 value))
861
862 /*
863  * Sleep/Wake interfaces
864  */
865 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
866                             acpi_get_sleep_type_data(u8 sleep_state,
867                                                      u8 *slp_typ_a,
868                                                      u8 *slp_typ_b))
869
870 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
871                             acpi_enter_sleep_state_prep(u8 sleep_state))
872 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_enter_sleep_state(u8 sleep_state))
873
874 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enter_sleep_state_s4bios(void))
875
876 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
877                             acpi_leave_sleep_state_prep(u8 sleep_state))
878 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_leave_sleep_state(u8 sleep_state))
879
880 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
881                                 acpi_set_firmware_waking_vector
882                                 (acpi_physical_address physical_address,
883                                  acpi_physical_address physical_address64))
884 /*
885  * ACPI Timer interfaces
886  */
887 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
888                                 acpi_get_timer_resolution(u32 *resolution))
889 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
890
891 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
892                                 acpi_get_timer_duration(u32 start_ticks,
893                                                         u32 end_ticks,
894                                                         u32 *time_elapsed))
895
896 /*
897  * Error/Warning output
898  */
899 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
900                                void ACPI_INTERNAL_VAR_XFACE
901                                acpi_error(const char *module_name,
902                                           u32 line_number,
903                                           const char *format, ...))
904 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
905                                 void ACPI_INTERNAL_VAR_XFACE
906                                 acpi_exception(const char *module_name,
907                                                u32 line_number,
908                                                acpi_status status,
909                                                const char *format, ...))
910 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
911                                 void ACPI_INTERNAL_VAR_XFACE
912                                 acpi_warning(const char *module_name,
913                                              u32 line_number,
914                                              const char *format, ...))
915 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(1)
916                                 void ACPI_INTERNAL_VAR_XFACE
917                                 acpi_info(const char *format, ...))
918 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
919                                 void ACPI_INTERNAL_VAR_XFACE
920                                 acpi_bios_error(const char *module_name,
921                                                 u32 line_number,
922                                                 const char *format, ...))
923 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
924                                 void ACPI_INTERNAL_VAR_XFACE
925                                 acpi_bios_warning(const char *module_name,
926                                                   u32 line_number,
927                                                   const char *format, ...))
928
929 /*
930  * Debug output
931  */
932 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
933                                void ACPI_INTERNAL_VAR_XFACE
934                                acpi_debug_print(u32 requested_debug_level,
935                                                 u32 line_number,
936                                                 const char *function_name,
937                                                 const char *module_name,
938                                                 u32 component_id,
939                                                 const char *format, ...))
940 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
941                                 void ACPI_INTERNAL_VAR_XFACE
942                                 acpi_debug_print_raw(u32 requested_debug_level,
943                                                      u32 line_number,
944                                                      const char *function_name,
945                                                      const char *module_name,
946                                                      u32 component_id,
947                                                      const char *format, ...))
948
949 ACPI_DBG_DEPENDENT_RETURN_VOID(void
950                                acpi_trace_point(acpi_trace_event_type type,
951                                                 u8 begin,
952                                                 u8 *aml, char *pathname))
953
954 acpi_status acpi_initialize_debugger(void);
955
956 void acpi_terminate_debugger(void);
957
958 /*
959  * Divergences
960  */
961 ACPI_GLOBAL(u8, acpi_gbl_permanent_mmap);
962
963 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
964                             acpi_get_table_with_size(acpi_string signature,
965                                                      u32 instance,
966                                                      struct acpi_table_header
967                                                      **out_table,
968                                                      acpi_size *tbl_size))
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__ */