linux/include/acpi/acpixf.h
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   1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
   2/******************************************************************************
   3 *
   4 * Name: acpixf.h - External interfaces to the ACPI subsystem
   5 *
   6 * Copyright (C) 2000 - 2021, Intel Corp.
   7 *
   8 *****************************************************************************/
   9
  10#ifndef __ACXFACE_H__
  11#define __ACXFACE_H__
  12
  13/* Current ACPICA subsystem version in YYYYMMDD format */
  14
  15#define ACPI_CA_VERSION                 0x20211217
  16
  17#include <acpi/acconfig.h>
  18#include <acpi/actypes.h>
  19#include <acpi/actbl.h>
  20#include <acpi/acbuffer.h>
  21
  22/*****************************************************************************
  23 *
  24 * Macros used for ACPICA globals and configuration
  25 *
  26 ****************************************************************************/
  27
  28/*
  29 * Ensure that global variables are defined and initialized only once.
  30 *
  31 * The use of these macros allows for a single list of globals (here)
  32 * in order to simplify maintenance of the code.
  33 */
  34#ifdef DEFINE_ACPI_GLOBALS
  35#define ACPI_GLOBAL(type,name) \
  36        extern type name; \
  37        type name
  38
  39#define ACPI_INIT_GLOBAL(type,name,value) \
  40        type name=value
  41
  42#else
  43#ifndef ACPI_GLOBAL
  44#define ACPI_GLOBAL(type,name) \
  45        extern type name
  46#endif
  47
  48#ifndef ACPI_INIT_GLOBAL
  49#define ACPI_INIT_GLOBAL(type,name,value) \
  50        extern type name
  51#endif
  52#endif
  53
  54/*
  55 * These macros configure the various ACPICA interfaces. They are
  56 * useful for generating stub inline functions for features that are
  57 * configured out of the current kernel or ACPICA application.
  58 */
  59#ifndef ACPI_EXTERNAL_RETURN_STATUS
  60#define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
  61        prototype;
  62#endif
  63
  64#ifndef ACPI_EXTERNAL_RETURN_OK
  65#define ACPI_EXTERNAL_RETURN_OK(prototype) \
  66        prototype;
  67#endif
  68
  69#ifndef ACPI_EXTERNAL_RETURN_VOID
  70#define ACPI_EXTERNAL_RETURN_VOID(prototype) \
  71        prototype;
  72#endif
  73
  74#ifndef ACPI_EXTERNAL_RETURN_UINT32
  75#define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
  76        prototype;
  77#endif
  78
  79#ifndef ACPI_EXTERNAL_RETURN_PTR
  80#define ACPI_EXTERNAL_RETURN_PTR(prototype) \
  81        prototype;
  82#endif
  83
  84/*****************************************************************************
  85 *
  86 * Public globals and runtime configuration options
  87 *
  88 ****************************************************************************/
  89
  90/*
  91 * Enable "slack mode" of the AML interpreter?  Default is FALSE, and the
  92 * interpreter strictly follows the ACPI specification. Setting to TRUE
  93 * allows the interpreter to ignore certain errors and/or bad AML constructs.
  94 *
  95 * Currently, these features are enabled by this flag:
  96 *
  97 * 1) Allow "implicit return" of last value in a control method
  98 * 2) Allow access beyond the end of an operation region
  99 * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
 100 * 4) Allow ANY object type to be a source operand for the Store() operator
 101 * 5) Allow unresolved references (invalid target name) in package objects
 102 * 6) Enable warning messages for behavior that is not ACPI spec compliant
 103 */
 104ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_interpreter_slack, FALSE);
 105
 106/*
 107 * Automatically serialize all methods that create named objects? Default
 108 * is TRUE, meaning that all non_serialized methods are scanned once at
 109 * table load time to determine those that create named objects. Methods
 110 * that create named objects are marked Serialized in order to prevent
 111 * possible run-time problems if they are entered by more than one thread.
 112 */
 113ACPI_INIT_GLOBAL(u8, acpi_gbl_auto_serialize_methods, TRUE);
 114
 115/*
 116 * Create the predefined _OSI method in the namespace? Default is TRUE
 117 * because ACPICA is fully compatible with other ACPI implementations.
 118 * Changing this will revert ACPICA (and machine ASL) to pre-OSI behavior.
 119 */
 120ACPI_INIT_GLOBAL(u8, acpi_gbl_create_osi_method, TRUE);
 121
 122/*
 123 * Optionally use default values for the ACPI register widths. Set this to
 124 * TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
 125 */
 126ACPI_INIT_GLOBAL(u8, acpi_gbl_use_default_register_widths, TRUE);
 127
 128/*
 129 * Whether or not to validate (map) an entire table to verify
 130 * checksum/duplication in early stage before install. Set this to TRUE to
 131 * allow early table validation before install it to the table manager.
 132 * Note that enabling this option causes errors to happen in some OSPMs
 133 * during early initialization stages. Default behavior is to allow such
 134 * validation.
 135 */
 136ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_table_validation, TRUE);
 137
 138/*
 139 * Optionally enable output from the AML Debug Object.
 140 */
 141ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_aml_debug_object, FALSE);
 142
 143/*
 144 * Optionally copy the entire DSDT to local memory (instead of simply
 145 * mapping it.) There are some BIOSs that corrupt or replace the original
 146 * DSDT, creating the need for this option. Default is FALSE, do not copy
 147 * the DSDT.
 148 */
 149ACPI_INIT_GLOBAL(u8, acpi_gbl_copy_dsdt_locally, FALSE);
 150
 151/*
 152 * Optionally ignore an XSDT if present and use the RSDT instead.
 153 * Although the ACPI specification requires that an XSDT be used instead
 154 * of the RSDT, the XSDT has been found to be corrupt or ill-formed on
 155 * some machines. Default behavior is to use the XSDT if present.
 156 */
 157ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE);
 158
 159/*
 160 * Optionally use 32-bit FADT addresses if and when there is a conflict
 161 * (address mismatch) between the 32-bit and 64-bit versions of the
 162 * address. Although ACPICA adheres to the ACPI specification which
 163 * requires the use of the corresponding 64-bit address if it is non-zero,
 164 * some machines have been found to have a corrupted non-zero 64-bit
 165 * address. Default is FALSE, do not favor the 32-bit addresses.
 166 */
 167ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, FALSE);
 168
 169/*
 170 * Optionally use 32-bit FACS table addresses.
 171 * It is reported that some platforms fail to resume from system suspending
 172 * if 64-bit FACS table address is selected:
 173 * https://bugzilla.kernel.org/show_bug.cgi?id=74021
 174 * Default is TRUE, favor the 32-bit addresses.
 175 */
 176ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_facs_addresses, TRUE);
 177
 178/*
 179 * Optionally truncate I/O addresses to 16 bits. Provides compatibility
 180 * with other ACPI implementations. NOTE: During ACPICA initialization,
 181 * this value is set to TRUE if any Windows OSI strings have been
 182 * requested by the BIOS.
 183 */
 184ACPI_INIT_GLOBAL(u8, acpi_gbl_truncate_io_addresses, FALSE);
 185
 186/*
 187 * Disable runtime checking and repair of values returned by control methods.
 188 * Use only if the repair is causing a problem on a particular machine.
 189 */
 190ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_auto_repair, FALSE);
 191
 192/*
 193 * Optionally do not install any SSDTs from the RSDT/XSDT during initialization.
 194 * This can be useful for debugging ACPI problems on some machines.
 195 */
 196ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_ssdt_table_install, FALSE);
 197
 198/*
 199 * Optionally enable runtime namespace override.
 200 */
 201ACPI_INIT_GLOBAL(u8, acpi_gbl_runtime_namespace_override, TRUE);
 202
 203/*
 204 * We keep track of the latest version of Windows that has been requested by
 205 * the BIOS. ACPI 5.0.
 206 */
 207ACPI_INIT_GLOBAL(u8, acpi_gbl_osi_data, 0);
 208
 209/*
 210 * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
 211 * that the ACPI hardware is no longer required. A flag in the FADT indicates
 212 * a reduced HW machine, and that flag is duplicated here for convenience.
 213 */
 214ACPI_INIT_GLOBAL(u8, acpi_gbl_reduced_hardware, FALSE);
 215
 216/*
 217 * Maximum timeout for While() loop iterations before forced method abort.
 218 * This mechanism is intended to prevent infinite loops during interpreter
 219 * execution within a host kernel.
 220 */
 221ACPI_INIT_GLOBAL(u32, acpi_gbl_max_loop_iterations, ACPI_MAX_LOOP_TIMEOUT);
 222
 223/*
 224 * Optionally ignore AE_NOT_FOUND errors from named reference package elements
 225 * during DSDT/SSDT table loading. This reduces error "noise" in platforms
 226 * whose firmware is carrying around a bunch of unused package objects that
 227 * refer to non-existent named objects. However, If the AML actually tries to
 228 * use such a package, the unresolved element(s) will be replaced with NULL
 229 * elements.
 230 */
 231ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_package_resolution_errors, FALSE);
 232
 233/*
 234 * This mechanism is used to trace a specified AML method. The method is
 235 * traced each time it is executed.
 236 */
 237ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_flags, 0);
 238ACPI_INIT_GLOBAL(const char *, acpi_gbl_trace_method_name, NULL);
 239ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_level, ACPI_TRACE_LEVEL_DEFAULT);
 240ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_layer, ACPI_TRACE_LAYER_DEFAULT);
 241
 242/*
 243 * Runtime configuration of debug output control masks. We want the debug
 244 * switches statically initialized so they are already set when the debugger
 245 * is entered.
 246 */
 247ACPI_INIT_GLOBAL(u32, acpi_dbg_level, ACPI_DEBUG_DEFAULT);
 248ACPI_INIT_GLOBAL(u32, acpi_dbg_layer, 0);
 249
 250/* Optionally enable timer output with Debug Object output */
 251
 252ACPI_INIT_GLOBAL(u8, acpi_gbl_display_debug_timer, FALSE);
 253
 254/*
 255 * Debugger command handshake globals. Host OSes need to access these
 256 * variables to implement their own command handshake mechanism.
 257 */
 258#ifdef ACPI_DEBUGGER
 259ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE);
 260ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]);
 261#endif
 262
 263/*
 264 * Other miscellaneous globals
 265 */
 266ACPI_GLOBAL(struct acpi_table_fadt, acpi_gbl_FADT);
 267ACPI_GLOBAL(u32, acpi_current_gpe_count);
 268ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running);
 269
 270/*****************************************************************************
 271 *
 272 * ACPICA public interface configuration.
 273 *
 274 * Interfaces that are configured out of the ACPICA build are replaced
 275 * by inlined stubs by default.
 276 *
 277 ****************************************************************************/
 278
 279/*
 280 * Hardware-reduced prototypes (default: Not hardware reduced).
 281 *
 282 * All ACPICA hardware-related interfaces that use these macros will be
 283 * configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
 284 * is set to TRUE.
 285 *
 286 * Note: This static build option for reduced hardware is intended to
 287 * reduce ACPICA code size if desired or necessary. However, even if this
 288 * option is not specified, the runtime behavior of ACPICA is dependent
 289 * on the actual FADT reduced hardware flag (HW_REDUCED_ACPI). If set,
 290 * the flag will enable similar behavior -- ACPICA will not attempt
 291 * to access any ACPI-relate hardware (SCI, GPEs, Fixed Events, etc.)
 292 */
 293#if (!ACPI_REDUCED_HARDWARE)
 294#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
 295        ACPI_EXTERNAL_RETURN_STATUS(prototype)
 296
 297#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
 298        ACPI_EXTERNAL_RETURN_OK(prototype)
 299
 300#define ACPI_HW_DEPENDENT_RETURN_UINT32(prototype) \
 301        ACPI_EXTERNAL_RETURN_UINT32(prototype)
 302
 303#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
 304        ACPI_EXTERNAL_RETURN_VOID(prototype)
 305
 306#else
 307#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
 308        static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
 309
 310#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
 311        static ACPI_INLINE prototype {return(AE_OK);}
 312
 313#define ACPI_HW_DEPENDENT_RETURN_UINT32(prototype) \
 314        static ACPI_INLINE prototype {return(0);}
 315
 316#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
 317        static ACPI_INLINE prototype {return;}
 318
 319#endif                          /* !ACPI_REDUCED_HARDWARE */
 320
 321/*
 322 * Error message prototypes (default: error messages enabled).
 323 *
 324 * All interfaces related to error and warning messages
 325 * will be configured out of the ACPICA build if the
 326 * ACPI_NO_ERROR_MESSAGE flag is defined.
 327 */
 328#ifndef ACPI_NO_ERROR_MESSAGES
 329#define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
 330        prototype;
 331
 332#else
 333#define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
 334        static ACPI_INLINE prototype {return;}
 335
 336#endif                          /* ACPI_NO_ERROR_MESSAGES */
 337
 338/*
 339 * Debugging output prototypes (default: no debug output).
 340 *
 341 * All interfaces related to debug output messages
 342 * will be configured out of the ACPICA build unless the
 343 * ACPI_DEBUG_OUTPUT flag is defined.
 344 */
 345#ifdef ACPI_DEBUG_OUTPUT
 346#define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
 347        prototype;
 348
 349#else
 350#define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
 351        static ACPI_INLINE prototype {return;}
 352
 353#endif                          /* ACPI_DEBUG_OUTPUT */
 354
 355/*
 356 * Application prototypes
 357 *
 358 * All interfaces used by application will be configured
 359 * out of the ACPICA build unless the ACPI_APPLICATION
 360 * flag is defined.
 361 */
 362#ifdef ACPI_APPLICATION
 363#define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
 364        prototype;
 365
 366#else
 367#define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
 368        static ACPI_INLINE prototype {return;}
 369
 370#endif                          /* ACPI_APPLICATION */
 371
 372/*
 373 * Debugger prototypes
 374 *
 375 * All interfaces used by debugger will be configured
 376 * out of the ACPICA build unless the ACPI_DEBUGGER
 377 * flag is defined.
 378 */
 379#ifdef ACPI_DEBUGGER
 380#define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
 381        ACPI_EXTERNAL_RETURN_OK(prototype)
 382
 383#define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
 384        ACPI_EXTERNAL_RETURN_VOID(prototype)
 385
 386#else
 387#define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
 388        static ACPI_INLINE prototype {return(AE_OK);}
 389
 390#define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
 391        static ACPI_INLINE prototype {return;}
 392
 393#endif                          /* ACPI_DEBUGGER */
 394
 395/*****************************************************************************
 396 *
 397 * ACPICA public interface prototypes
 398 *
 399 ****************************************************************************/
 400
 401/*
 402 * Initialization
 403 */
 404ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 405                            acpi_initialize_tables(struct acpi_table_desc
 406                                                   *initial_storage,
 407                                                   u32 initial_table_count,
 408                                                   u8 allow_resize))
 409ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 410                             acpi_initialize_subsystem(void))
 411ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 412                             acpi_enable_subsystem(u32 flags))
 413ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 414                             acpi_initialize_objects(u32 flags))
 415ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 416                             acpi_terminate(void))
 417
 418/*
 419 * Miscellaneous global interfaces
 420 */
 421ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
 422ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
 423ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_subsystem_status(void))
 424
 425ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 426                            acpi_get_system_info(struct acpi_buffer
 427                                                 *ret_buffer))
 428ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 429                             acpi_get_statistics(struct acpi_statistics *stats))
 430ACPI_EXTERNAL_RETURN_PTR(const char
 431                          *acpi_format_exception(acpi_status exception))
 432ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_purge_cached_objects(void))
 433
 434ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 435                            acpi_install_interface(acpi_string interface_name))
 436
 437ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 438                            acpi_remove_interface(acpi_string interface_name))
 439ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_update_interfaces(u8 action))
 440
 441ACPI_EXTERNAL_RETURN_UINT32(u32
 442                            acpi_check_address_range(acpi_adr_space_type
 443                                                     space_id,
 444                                                     acpi_physical_address
 445                                                     address, acpi_size length,
 446                                                     u8 warn))
 447ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 448                             acpi_decode_pld_buffer(u8 *in_buffer,
 449                                                    acpi_size length,
 450                                                    struct acpi_pld_info
 451                                                    **return_buffer))
 452
 453/*
 454 * ACPI table load/unload interfaces
 455 */
 456ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 457                            acpi_install_table(struct acpi_table_header *table))
 458
 459ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 460                            acpi_install_physical_table(acpi_physical_address
 461                                                        address))
 462ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 463                            acpi_load_table(struct acpi_table_header *table,
 464                                            u32 *table_idx))
 465
 466ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 467                            acpi_unload_table(u32 table_index))
 468
 469ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 470                            acpi_unload_parent_table(acpi_handle object))
 471
 472ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 473                            acpi_load_tables(void))
 474
 475/*
 476 * ACPI table manipulation interfaces
 477 */
 478ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 479                            acpi_reallocate_root_table(void))
 480
 481ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 482                            acpi_find_root_pointer(acpi_physical_address
 483                                                   *rsdp_address))
 484ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 485                             acpi_get_table_header(acpi_string signature,
 486                                                   u32 instance,
 487                                                   struct acpi_table_header
 488                                                   *out_table_header))
 489ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 490                             acpi_get_table(acpi_string signature, u32 instance,
 491                                            struct acpi_table_header
 492                                            **out_table))
 493ACPI_EXTERNAL_RETURN_VOID(void acpi_put_table(struct acpi_table_header *table))
 494
 495ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 496                            acpi_get_table_by_index(u32 table_index,
 497                                                    struct acpi_table_header
 498                                                    **out_table))
 499ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 500                             acpi_install_table_handler(acpi_table_handler
 501                                                        handler, void *context))
 502ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 503                             acpi_remove_table_handler(acpi_table_handler
 504                                                       handler))
 505
 506/*
 507 * Namespace and name interfaces
 508 */
 509ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 510                            acpi_walk_namespace(acpi_object_type type,
 511                                                acpi_handle start_object,
 512                                                u32 max_depth,
 513                                                acpi_walk_callback
 514                                                descending_callback,
 515                                                acpi_walk_callback
 516                                                ascending_callback,
 517                                                void *context,
 518                                                void **return_value))
 519ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 520                             acpi_get_devices(const char *HID,
 521                                              acpi_walk_callback user_function,
 522                                              void *context,
 523                                              void **return_value))
 524ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 525                             acpi_get_name(acpi_handle object, u32 name_type,
 526                                           struct acpi_buffer *ret_path_ptr))
 527ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 528                             acpi_get_handle(acpi_handle parent,
 529                                             acpi_string pathname,
 530                                             acpi_handle *ret_handle))
 531ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 532                             acpi_attach_data(acpi_handle object,
 533                                              acpi_object_handler handler,
 534                                              void *data))
 535ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 536                             acpi_detach_data(acpi_handle object,
 537                                              acpi_object_handler handler))
 538ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 539                             acpi_get_data(acpi_handle object,
 540                                           acpi_object_handler handler,
 541                                           void **data))
 542ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 543                             acpi_debug_trace(const char *name, u32 debug_level,
 544                                              u32 debug_layer, u32 flags))
 545
 546/*
 547 * Object manipulation and enumeration
 548 */
 549ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 550                            acpi_evaluate_object(acpi_handle object,
 551                                                 acpi_string pathname,
 552                                                 struct acpi_object_list
 553                                                 *parameter_objects,
 554                                                 struct acpi_buffer
 555                                                 *return_object_buffer))
 556ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 557                             acpi_evaluate_object_typed(acpi_handle object,
 558                                                        acpi_string pathname,
 559                                                        struct acpi_object_list
 560                                                        *external_params,
 561                                                        struct acpi_buffer
 562                                                        *return_buffer,
 563                                                        acpi_object_type
 564                                                        return_type))
 565ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 566                             acpi_get_object_info(acpi_handle object,
 567                                                  struct acpi_device_info
 568                                                  **return_buffer))
 569ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_install_method(u8 *buffer))
 570
 571ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 572                            acpi_get_next_object(acpi_object_type type,
 573                                                 acpi_handle parent,
 574                                                 acpi_handle child,
 575                                                 acpi_handle *out_handle))
 576
 577ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 578                            acpi_get_type(acpi_handle object,
 579                                          acpi_object_type *out_type))
 580
 581ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 582                            acpi_get_parent(acpi_handle object,
 583                                            acpi_handle *out_handle))
 584
 585/*
 586 * Handler interfaces
 587 */
 588ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 589                            acpi_install_initialization_handler
 590                            (acpi_init_handler handler, u32 function))
 591ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 592                                 acpi_install_sci_handler(acpi_sci_handler
 593                                                          address,
 594                                                          void *context))
 595ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 596                                 acpi_remove_sci_handler(acpi_sci_handler
 597                                                         address))
 598ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 599                                 acpi_install_global_event_handler
 600                                 (acpi_gbl_event_handler handler,
 601                                  void *context))
 602ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 603                                 acpi_install_fixed_event_handler(u32
 604                                                                  acpi_event,
 605                                                                  acpi_event_handler
 606                                                                  handler,
 607                                                                  void
 608                                                                  *context))
 609ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 610                                 acpi_remove_fixed_event_handler(u32 acpi_event,
 611                                                                 acpi_event_handler
 612                                                                 handler))
 613ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 614                                 acpi_install_gpe_handler(acpi_handle
 615                                                          gpe_device,
 616                                                          u32 gpe_number,
 617                                                          u32 type,
 618                                                          acpi_gpe_handler
 619                                                          address,
 620                                                          void *context))
 621ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 622                                 acpi_install_gpe_raw_handler(acpi_handle
 623                                                              gpe_device,
 624                                                              u32 gpe_number,
 625                                                              u32 type,
 626                                                              acpi_gpe_handler
 627                                                              address,
 628                                                              void *context))
 629ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 630                                 acpi_remove_gpe_handler(acpi_handle gpe_device,
 631                                                         u32 gpe_number,
 632                                                         acpi_gpe_handler
 633                                                         address))
 634ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 635                             acpi_install_notify_handler(acpi_handle device,
 636                                                         u32 handler_type,
 637                                                         acpi_notify_handler
 638                                                         handler,
 639                                                         void *context))
 640ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 641                             acpi_remove_notify_handler(acpi_handle device,
 642                                                        u32 handler_type,
 643                                                        acpi_notify_handler
 644                                                        handler))
 645ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 646                             acpi_install_address_space_handler(acpi_handle
 647                                                                device,
 648                                                                acpi_adr_space_type
 649                                                                space_id,
 650                                                                acpi_adr_space_handler
 651                                                                handler,
 652                                                                acpi_adr_space_setup
 653                                                                setup,
 654                                                                void *context))
 655ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 656                             acpi_remove_address_space_handler(acpi_handle
 657                                                               device,
 658                                                               acpi_adr_space_type
 659                                                               space_id,
 660                                                               acpi_adr_space_handler
 661                                                               handler))
 662ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 663                             acpi_install_exception_handler
 664                             (acpi_exception_handler handler))
 665ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 666                             acpi_install_interface_handler
 667                             (acpi_interface_handler handler))
 668
 669/*
 670 * Global Lock interfaces
 671 */
 672ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 673                                acpi_acquire_global_lock(u16 timeout,
 674                                                         u32 *handle))
 675
 676ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 677                                acpi_release_global_lock(u32 handle))
 678
 679/*
 680 * Interfaces to AML mutex objects
 681 */
 682ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 683                            acpi_acquire_mutex(acpi_handle handle,
 684                                               acpi_string pathname,
 685                                               u16 timeout))
 686
 687ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 688                            acpi_release_mutex(acpi_handle handle,
 689                                               acpi_string pathname))
 690
 691/*
 692 * Fixed Event interfaces
 693 */
 694ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 695                                acpi_enable_event(u32 event, u32 flags))
 696
 697ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 698                                acpi_disable_event(u32 event, u32 flags))
 699ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
 700
 701ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 702                                acpi_get_event_status(u32 event,
 703                                                      acpi_event_status
 704                                                      *event_status))
 705
 706/*
 707 * General Purpose Event (GPE) Interfaces
 708 */
 709ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
 710
 711ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 712                                acpi_enable_gpe(acpi_handle gpe_device,
 713                                                u32 gpe_number))
 714
 715ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 716                                acpi_disable_gpe(acpi_handle gpe_device,
 717                                                 u32 gpe_number))
 718
 719ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 720                                acpi_clear_gpe(acpi_handle gpe_device,
 721                                               u32 gpe_number))
 722
 723ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 724                                acpi_set_gpe(acpi_handle gpe_device,
 725                                             u32 gpe_number, u8 action))
 726
 727ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 728                                acpi_finish_gpe(acpi_handle gpe_device,
 729                                                u32 gpe_number))
 730
 731ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 732                                acpi_mask_gpe(acpi_handle gpe_device,
 733                                              u32 gpe_number, u8 is_masked))
 734
 735ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 736                                acpi_mark_gpe_for_wake(acpi_handle gpe_device,
 737                                                       u32 gpe_number))
 738
 739ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 740                                acpi_setup_gpe_for_wake(acpi_handle
 741                                                        parent_device,
 742                                                        acpi_handle gpe_device,
 743                                                        u32 gpe_number))
 744ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 745                                 acpi_set_gpe_wake_mask(acpi_handle gpe_device,
 746                                                        u32 gpe_number,
 747                                                        u8 action))
 748ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 749                                 acpi_get_gpe_status(acpi_handle gpe_device,
 750                                                     u32 gpe_number,
 751                                                     acpi_event_status
 752                                                     *event_status))
 753ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_dispatch_gpe(acpi_handle gpe_device, u32 gpe_number))
 754ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
 755ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
 756ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))
 757ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_any_gpe_status_set(u32 gpe_skip_number))
 758ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_any_fixed_event_status_set(void))
 759
 760ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 761                                acpi_get_gpe_device(u32 gpe_index,
 762                                                    acpi_handle *gpe_device))
 763
 764ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 765                                acpi_install_gpe_block(acpi_handle gpe_device,
 766                                                       struct
 767                                                       acpi_generic_address
 768                                                       *gpe_block_address,
 769                                                       u32 register_count,
 770                                                       u32 interrupt_number))
 771ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 772                                 acpi_remove_gpe_block(acpi_handle gpe_device))
 773
 774/*
 775 * Resource interfaces
 776 */
 777typedef
 778acpi_status (*acpi_walk_resource_callback) (struct acpi_resource * resource,
 779                                            void *context);
 780
 781ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 782                            acpi_get_vendor_resource(acpi_handle device,
 783                                                     char *name,
 784                                                     struct acpi_vendor_uuid
 785                                                     *uuid,
 786                                                     struct acpi_buffer
 787                                                     *ret_buffer))
 788ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 789                             acpi_get_current_resources(acpi_handle device,
 790                                                        struct acpi_buffer
 791                                                        *ret_buffer))
 792ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 793                             acpi_get_possible_resources(acpi_handle device,
 794                                                         struct acpi_buffer
 795                                                         *ret_buffer))
 796ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 797                             acpi_get_event_resources(acpi_handle device_handle,
 798                                                      struct acpi_buffer
 799                                                      *ret_buffer))
 800ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 801                             acpi_walk_resource_buffer(struct acpi_buffer
 802                                                       *buffer,
 803                                                       acpi_walk_resource_callback
 804                                                       user_function,
 805                                                       void *context))
 806ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 807                             acpi_walk_resources(acpi_handle device, char *name,
 808                                                 acpi_walk_resource_callback
 809                                                 user_function, void *context))
 810ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 811                             acpi_set_current_resources(acpi_handle device,
 812                                                        struct acpi_buffer
 813                                                        *in_buffer))
 814ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 815                             acpi_get_irq_routing_table(acpi_handle device,
 816                                                        struct acpi_buffer
 817                                                        *ret_buffer))
 818ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 819                             acpi_resource_to_address64(struct acpi_resource
 820                                                        *resource,
 821                                                        struct
 822                                                        acpi_resource_address64
 823                                                        *out))
 824ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 825                             acpi_buffer_to_resource(u8 *aml_buffer,
 826                                                     u16 aml_buffer_length,
 827                                                     struct acpi_resource
 828                                                     **resource_ptr))
 829
 830/*
 831 * Hardware (ACPI device) interfaces
 832 */
 833ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_reset(void))
 834
 835ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 836                            acpi_read(u64 *value,
 837                                      struct acpi_generic_address *reg))
 838
 839ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 840                            acpi_write(u64 value,
 841                                       struct acpi_generic_address *reg))
 842
 843ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 844                                acpi_read_bit_register(u32 register_id,
 845                                                       u32 *return_value))
 846
 847ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 848                                acpi_write_bit_register(u32 register_id,
 849                                                        u32 value))
 850
 851/*
 852 * Sleep/Wake interfaces
 853 */
 854ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 855                            acpi_get_sleep_type_data(u8 sleep_state,
 856                                                     u8 *slp_typ_a,
 857                                                     u8 *slp_typ_b))
 858
 859ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 860                            acpi_enter_sleep_state_prep(u8 sleep_state))
 861ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_enter_sleep_state(u8 sleep_state))
 862
 863ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enter_sleep_state_s4bios(void))
 864
 865ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 866                            acpi_leave_sleep_state_prep(u8 sleep_state))
 867ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_leave_sleep_state(u8 sleep_state))
 868
 869ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 870                                acpi_set_firmware_waking_vector
 871                                (acpi_physical_address physical_address,
 872                                 acpi_physical_address physical_address64))
 873/*
 874 * ACPI Timer interfaces
 875 */
 876ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 877                                acpi_get_timer_resolution(u32 *resolution))
 878ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
 879
 880ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 881                                acpi_get_timer_duration(u32 start_ticks,
 882                                                        u32 end_ticks,
 883                                                        u32 *time_elapsed))
 884
 885/*
 886 * Error/Warning output
 887 */
 888ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 889                               void ACPI_INTERNAL_VAR_XFACE
 890                               acpi_error(const char *module_name,
 891                                          u32 line_number,
 892                                          const char *format, ...))
 893ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
 894                                void ACPI_INTERNAL_VAR_XFACE
 895                                acpi_exception(const char *module_name,
 896                                               u32 line_number,
 897                                               acpi_status status,
 898                                               const char *format, ...))
 899ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 900                                void ACPI_INTERNAL_VAR_XFACE
 901                                acpi_warning(const char *module_name,
 902                                             u32 line_number,
 903                                             const char *format, ...))
 904ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(1)
 905                                void ACPI_INTERNAL_VAR_XFACE
 906                                acpi_info(const char *format, ...))
 907ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 908                                void ACPI_INTERNAL_VAR_XFACE
 909                                acpi_bios_error(const char *module_name,
 910                                                u32 line_number,
 911                                                const char *format, ...))
 912ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
 913                                void ACPI_INTERNAL_VAR_XFACE
 914                                acpi_bios_exception(const char *module_name,
 915                                                    u32 line_number,
 916                                                    acpi_status status,
 917                                                    const char *format, ...))
 918ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 919                                void ACPI_INTERNAL_VAR_XFACE
 920                                acpi_bios_warning(const char *module_name,
 921                                                  u32 line_number,
 922                                                  const char *format, ...))
 923
 924/*
 925 * Debug output
 926 */
 927ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
 928                               void ACPI_INTERNAL_VAR_XFACE
 929                               acpi_debug_print(u32 requested_debug_level,
 930                                                u32 line_number,
 931                                                const char *function_name,
 932                                                const char *module_name,
 933                                                u32 component_id,
 934                                                const char *format, ...))
 935ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
 936                                void ACPI_INTERNAL_VAR_XFACE
 937                                acpi_debug_print_raw(u32 requested_debug_level,
 938                                                     u32 line_number,
 939                                                     const char *function_name,
 940                                                     const char *module_name,
 941                                                     u32 component_id,
 942                                                     const char *format, ...))
 943
 944ACPI_DBG_DEPENDENT_RETURN_VOID(void
 945                               acpi_trace_point(acpi_trace_event_type type,
 946                                                u8 begin,
 947                                                u8 *aml, char *pathname))
 948
 949acpi_status acpi_initialize_debugger(void);
 950
 951void acpi_terminate_debugger(void);
 952
 953/*
 954 * Divergences
 955 */
 956ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 957                            acpi_get_data_full(acpi_handle object,
 958                                               acpi_object_handler handler,
 959                                               void **data,
 960                                               void (*callback)(void *)))
 961
 962void acpi_run_debugger(char *batch_buffer);
 963
 964void acpi_set_debugger_thread_id(acpi_thread_id thread_id);
 965
 966#endif                          /* __ACXFACE_H__ */
 967