include/acpi/acpixf.h

   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 - 2023, 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                 0x20230628
  16
  17 #include <acpi/acconfig.h>
  18 #include <acpi/actypes.h>
  19 #include <acpi/actbl.h>
  20 #include <acpi/acbuffer.h>
  21
  22 /*****************************************************************************
  23  *
  24  * Macros used for ACPICA globals and configuration
  25  *
  26  ****************************************************************************/
  27
  28 /*
  29  * Ensure that global variables are defined and initialized only once.
  30  *
  31  * The use of these macros allows for a single list of globals (here)
  32  * in order to simplify maintenance of the code.
  33  */
  34 #ifdef DEFINE_ACPI_GLOBALS
  35 #define ACPI_GLOBAL(type,name) \
  36         extern type name; \
  37         type name
  38
  39 #define ACPI_INIT_GLOBAL(type,name,value) \
  40         type name=value
  41
  42 #else
  43 #ifndef ACPI_GLOBAL
  44 #define ACPI_GLOBAL(type,name) \
  45         extern type name
  46 #endif
  47
  48 #ifndef ACPI_INIT_GLOBAL
  49 #define ACPI_INIT_GLOBAL(type,name,value) \
  50         extern type name
  51 #endif
  52 #endif
  53
  54 /*
  55  * These macros configure the various ACPICA interfaces. They are
  56  * useful for generating stub inline functions for features that are
  57  * configured out of the current kernel or ACPICA application.
  58  */
  59 #ifndef ACPI_EXTERNAL_RETURN_STATUS
  60 #define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
  61         prototype;
  62 #endif
  63
  64 #ifndef ACPI_EXTERNAL_RETURN_OK
  65 #define ACPI_EXTERNAL_RETURN_OK(prototype) \
  66         prototype;
  67 #endif
  68
  69 #ifndef ACPI_EXTERNAL_RETURN_VOID
  70 #define ACPI_EXTERNAL_RETURN_VOID(prototype) \
  71         prototype;
  72 #endif
  73
  74 #ifndef ACPI_EXTERNAL_RETURN_UINT32
  75 #define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
  76         prototype;
  77 #endif
  78
  79 #ifndef ACPI_EXTERNAL_RETURN_PTR
  80 #define ACPI_EXTERNAL_RETURN_PTR(prototype) \
  81         prototype;
  82 #endif
  83
  84 /*****************************************************************************
  85  *
  86  * Public globals and runtime configuration options
  87  *
  88  ****************************************************************************/
  89
  90 /*
  91  * Enable "slack mode" of the AML interpreter?  Default is FALSE, and the
  92  * interpreter strictly follows the ACPI specification. Setting to TRUE
  93  * allows the interpreter to ignore certain errors and/or bad AML constructs.
  94  *
  95  * Currently, these features are enabled by this flag:
  96  *
  97  * 1) Allow "implicit return" of last value in a control method
  98  * 2) Allow access beyond the end of an operation region
  99  * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
 100  * 4) Allow ANY object type to be a source operand for the Store() operator
 101  * 5) Allow unresolved references (invalid target name) in package objects
 102  * 6) Enable warning messages for behavior that is not ACPI spec compliant
 103  */
 104 ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_interpreter_slack, FALSE);
 105
 106 /*
 107  * Automatically serialize all methods that create named objects? Default
 108  * is TRUE, meaning that all non_serialized methods are scanned once at
 109  * table load time to determine those that create named objects. Methods
 110  * that create named objects are marked Serialized in order to prevent
 111  * possible run-time problems if they are entered by more than one thread.
 112  */
 113 ACPI_INIT_GLOBAL(u8, acpi_gbl_auto_serialize_methods, TRUE);
 114
 115 /*
 116  * Create the predefined _OSI method in the namespace? Default is TRUE
 117  * because ACPICA is fully compatible with other ACPI implementations.
 118  * Changing this will revert ACPICA (and machine ASL) to pre-OSI behavior.
 119  */
 120 ACPI_INIT_GLOBAL(u8, acpi_gbl_create_osi_method, TRUE);
 121
 122 /*
 123  * Optionally use default values for the ACPI register widths. Set this to
 124  * TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
 125  */
 126 ACPI_INIT_GLOBAL(u8, acpi_gbl_use_default_register_widths, TRUE);
 127
 128 /*
 129  * Whether or not to validate (map) an entire table to verify
 130  * checksum/duplication in early stage before install. Set this to TRUE to
 131  * allow early table validation before install it to the table manager.
 132  * Note that enabling this option causes errors to happen in some OSPMs
 133  * during early initialization stages. Default behavior is to allow such
 134  * validation.
 135  */
 136 ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_table_validation, TRUE);
 137
 138 /*
 139  * Optionally enable output from the AML Debug Object.
 140  */
 141 ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_aml_debug_object, FALSE);
 142
 143 /*
 144  * Optionally copy the entire DSDT to local memory (instead of simply
 145  * mapping it.) There are some BIOSs that corrupt or replace the original
 146  * DSDT, creating the need for this option. Default is FALSE, do not copy
 147  * the DSDT.
 148  */
 149 ACPI_INIT_GLOBAL(u8, acpi_gbl_copy_dsdt_locally, FALSE);
 150
 151 /*
 152  * Optionally ignore an XSDT if present and use the RSDT instead.
 153  * Although the ACPI specification requires that an XSDT be used instead
 154  * of the RSDT, the XSDT has been found to be corrupt or ill-formed on
 155  * some machines. Default behavior is to use the XSDT if present.
 156  */
 157 ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE);
 158
 159 /*
 160  * Optionally use 32-bit FADT addresses if and when there is a conflict
 161  * (address mismatch) between the 32-bit and 64-bit versions of the
 162  * address. Although ACPICA adheres to the ACPI specification which
 163  * requires the use of the corresponding 64-bit address if it is non-zero,
 164  * some machines have been found to have a corrupted non-zero 64-bit
 165  * address. Default is FALSE, do not favor the 32-bit addresses.
 166  */
 167 ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, FALSE);
 168
 169 /*
 170  * Optionally use 32-bit FACS table addresses.
 171  * It is reported that some platforms fail to resume from system suspending
 172  * if 64-bit FACS table address is selected:
 173  * https://bugzilla.kernel.org/show_bug.cgi?id=74021
 174  * Default is TRUE, favor the 32-bit addresses.
 175  */
 176 ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_facs_addresses, TRUE);
 177
 178 /*
 179  * Optionally truncate I/O addresses to 16 bits. Provides compatibility
 180  * with other ACPI implementations. NOTE: During ACPICA initialization,
 181  * this value is set to TRUE if any Windows OSI strings have been
 182  * requested by the BIOS.
 183  */
 184 ACPI_INIT_GLOBAL(u8, acpi_gbl_truncate_io_addresses, FALSE);
 185
 186 /*
 187  * Disable runtime checking and repair of values returned by control methods.
 188  * Use only if the repair is causing a problem on a particular machine.
 189  */
 190 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_auto_repair, FALSE);
 191
 192 /*
 193  * Optionally do not install any SSDTs from the RSDT/XSDT during initialization.
 194  * This can be useful for debugging ACPI problems on some machines.
 195  */
 196 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_ssdt_table_install, FALSE);
 197
 198 /*
 199  * Optionally enable runtime namespace override.
 200  */
 201 ACPI_INIT_GLOBAL(u8, acpi_gbl_runtime_namespace_override, TRUE);
 202
 203 /*
 204  * We keep track of the latest version of Windows that has been requested by
 205  * the BIOS. ACPI 5.0.
 206  */
 207 ACPI_INIT_GLOBAL(u8, acpi_gbl_osi_data, 0);
 208
 209 /*
 210  * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
 211  * that the ACPI hardware is no longer required. A flag in the FADT indicates
 212  * a reduced HW machine, and that flag is duplicated here for convenience.
 213  */
 214 ACPI_INIT_GLOBAL(u8, acpi_gbl_reduced_hardware, FALSE);
 215
 216 /*
 217  * Maximum timeout for While() loop iterations before forced method abort.
 218  * This mechanism is intended to prevent infinite loops during interpreter
 219  * execution within a host kernel.
 220  */
 221 ACPI_INIT_GLOBAL(u32, acpi_gbl_max_loop_iterations, ACPI_MAX_LOOP_TIMEOUT);
 222
 223 /*
 224  * Optionally ignore AE_NOT_FOUND errors from named reference package elements
 225  * during DSDT/SSDT table loading. This reduces error "noise" in platforms
 226  * whose firmware is carrying around a bunch of unused package objects that
 227  * refer to non-existent named objects. However, If the AML actually tries to
 228  * use such a package, the unresolved element(s) will be replaced with NULL
 229  * elements.
 230  */
 231 ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_package_resolution_errors, FALSE);
 232
 233 /*
 234  * This mechanism is used to trace a specified AML method. The method is
 235  * traced each time it is executed.
 236  */
 237 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_flags, 0);
 238 ACPI_INIT_GLOBAL(const char *, acpi_gbl_trace_method_name, NULL);
 239 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_level, ACPI_TRACE_LEVEL_DEFAULT);
 240 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_layer, ACPI_TRACE_LAYER_DEFAULT);
 241
 242 /*
 243  * Runtime configuration of debug output control masks. We want the debug
 244  * switches statically initialized so they are already set when the debugger
 245  * is entered.
 246  */
 247 ACPI_INIT_GLOBAL(u32, acpi_dbg_level, ACPI_DEBUG_DEFAULT);
 248 ACPI_INIT_GLOBAL(u32, acpi_dbg_layer, 0);
 249
 250 /* Optionally enable timer output with Debug Object output */
 251
 252 ACPI_INIT_GLOBAL(u8, acpi_gbl_display_debug_timer, FALSE);
 253
 254 /*
 255  * Debugger command handshake globals. Host OSes need to access these
 256  * variables to implement their own command handshake mechanism.
 257  */
 258 #ifdef ACPI_DEBUGGER
 259 ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE);
 260 ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]);
 261 #endif
 262
 263 /*
 264  * Other miscellaneous globals
 265  */
 266 ACPI_GLOBAL(struct acpi_table_fadt, acpi_gbl_FADT);
 267 ACPI_GLOBAL(u32, acpi_current_gpe_count);
 268 ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running);
 269
 270 /*****************************************************************************
 271  *
 272  * ACPICA public interface configuration.
 273  *
 274  * Interfaces that are configured out of the ACPICA build are replaced
 275  * by inlined stubs by default.
 276  *
 277  ****************************************************************************/
 278
 279 /*
 280  * Hardware-reduced prototypes (default: Not hardware reduced).
 281  *
 282  * All ACPICA hardware-related interfaces that use these macros will be
 283  * configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
 284  * is set to TRUE.
 285  *
 286  * Note: This static build option for reduced hardware is intended to
 287  * reduce ACPICA code size if desired or necessary. However, even if this
 288  * option is not specified, the runtime behavior of ACPICA is dependent
 289  * on the actual FADT reduced hardware flag (HW_REDUCED_ACPI). If set,
 290  * the flag will enable similar behavior -- ACPICA will not attempt
 291  * to access any ACPI-relate hardware (SCI, GPEs, Fixed Events, etc.)
 292  */
 293 #if (!ACPI_REDUCED_HARDWARE)
 294 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
 295         ACPI_EXTERNAL_RETURN_STATUS(prototype)
 296
 297 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
 298         ACPI_EXTERNAL_RETURN_OK(prototype)
 299
 300 #define ACPI_HW_DEPENDENT_RETURN_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  */
 404 ACPI_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))
 409 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 410                              acpi_initialize_subsystem(void))
 411 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 412                              acpi_enable_subsystem(u32 flags))
 413 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 414                              acpi_initialize_objects(u32 flags))
 415 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 416                              acpi_terminate(void))
 417
 418 /*
 419  * Miscellaneous global interfaces
 420  */
 421 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
 422 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
 423 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_subsystem_status(void))
 424
 425 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 426                             acpi_get_system_info(struct acpi_buffer
 427                                                  *ret_buffer))
 428 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 429                              acpi_get_statistics(struct acpi_statistics *stats))
 430 ACPI_EXTERNAL_RETURN_PTR(const char
 431                           *acpi_format_exception(acpi_status exception))
 432 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_purge_cached_objects(void))
 433
 434 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 435                             acpi_install_interface(acpi_string interface_name))
 436
 437 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 438                             acpi_remove_interface(acpi_string interface_name))
 439 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_update_interfaces(u8 action))
 440
 441 ACPI_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))
 447 ACPI_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  */
 456 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 457                             acpi_install_table(struct acpi_table_header *table))
 458
 459 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 460                             acpi_install_physical_table(acpi_physical_address
 461                                                         address))
 462 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 463                             acpi_load_table(struct acpi_table_header *table,
 464                                             u32 *table_idx))
 465
 466 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 467                             acpi_unload_table(u32 table_index))
 468
 469 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 470                             acpi_unload_parent_table(acpi_handle object))
 471
 472 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 473                             acpi_load_tables(void))
 474
 475 /*
 476  * ACPI table manipulation interfaces
 477  */
 478 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 479                             acpi_reallocate_root_table(void))
 480
 481 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 482                             acpi_find_root_pointer(acpi_physical_address
 483                                                    *rsdp_address))
 484 ACPI_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))
 489 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 490                              acpi_get_table(acpi_string signature, u32 instance,
 491                                             struct acpi_table_header
 492                                             **out_table))
 493 ACPI_EXTERNAL_RETURN_VOID(void acpi_put_table(struct acpi_table_header *table))
 494
 495 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 496                             acpi_get_table_by_index(u32 table_index,
 497                                                     struct acpi_table_header
 498                                                     **out_table))
 499 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 500                              acpi_install_table_handler(acpi_table_handler
 501                                                         handler, void *context))
 502 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 503                              acpi_remove_table_handler(acpi_table_handler
 504                                                        handler))
 505
 506 /*
 507  * Namespace and name interfaces
 508  */
 509 ACPI_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))
 519 ACPI_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))
 524 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 525                              acpi_get_name(acpi_handle object, u32 name_type,
 526                                            struct acpi_buffer *ret_path_ptr))
 527 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 528                              acpi_get_handle(acpi_handle parent,
 529                                              const char *pathname,
 530                                              acpi_handle *ret_handle))
 531 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 532                              acpi_attach_data(acpi_handle object,
 533                                               acpi_object_handler handler,
 534                                               void *data))
 535 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 536                              acpi_detach_data(acpi_handle object,
 537                                               acpi_object_handler handler))
 538 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 539                              acpi_get_data(acpi_handle object,
 540                                            acpi_object_handler handler,
 541                                            void **data))
 542 ACPI_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  */
 549 ACPI_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))
 556 ACPI_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))
 565 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 566                              acpi_get_object_info(acpi_handle object,
 567                                                   struct acpi_device_info
 568                                                   **return_buffer))
 569 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_install_method(u8 *buffer))
 570
 571 ACPI_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
 577 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 578                             acpi_get_type(acpi_handle object,
 579                                           acpi_object_type *out_type))
 580
 581 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 582                             acpi_get_parent(acpi_handle object,
 583                                             acpi_handle *out_handle))
 584
 585 /*
 586  * Handler interfaces
 587  */
 588 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 589                             acpi_install_initialization_handler
 590                             (acpi_init_handler handler, u32 function))
 591 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 592                                 acpi_install_sci_handler(acpi_sci_handler
 593                                                          address,
 594                                                          void *context))
 595 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 596                                 acpi_remove_sci_handler(acpi_sci_handler
 597                                                         address))
 598 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 599                                 acpi_install_global_event_handler
 600                                 (acpi_gbl_event_handler handler,
 601                                  void *context))
 602 ACPI_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))
 609 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 610                                 acpi_remove_fixed_event_handler(u32 acpi_event,
 611                                                                 acpi_event_handler
 612                                                                 handler))
 613 ACPI_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))
 621 ACPI_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))
 629 ACPI_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))
 634 ACPI_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))
 640 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 641                             acpi_remove_notify_handler(acpi_handle device,
 642                                                        u32 handler_type,
 643                                                        acpi_notify_handler
 644                                                        handler))
 645 ACPI_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))
 655 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 656                             acpi_install_address_space_handler_no_reg
 657                             (acpi_handle device, acpi_adr_space_type space_id,
 658                              acpi_adr_space_handler handler,
 659                              acpi_adr_space_setup setup,
 660                              void *context))
 661 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 662                             acpi_execute_reg_methods(acpi_handle device,
 663                                                      acpi_adr_space_type
 664                                                      space_id))
 665 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 666                             acpi_remove_address_space_handler(acpi_handle
 667                                                               device,
 668                                                               acpi_adr_space_type
 669                                                               space_id,
 670                                                               acpi_adr_space_handler
 671                                                               handler))
 672 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 673                             acpi_install_exception_handler
 674                             (acpi_exception_handler handler))
 675 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 676                             acpi_install_interface_handler
 677                             (acpi_interface_handler handler))
 678
 679 /*
 680  * Global Lock interfaces
 681  */
 682 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 683                                 acpi_acquire_global_lock(u16 timeout,
 684                                                          u32 *handle))
 685
 686 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 687                                 acpi_release_global_lock(u32 handle))
 688
 689 /*
 690  * Interfaces to AML mutex objects
 691  */
 692 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 693                             acpi_acquire_mutex(acpi_handle handle,
 694                                                acpi_string pathname,
 695                                                u16 timeout))
 696
 697 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 698                             acpi_release_mutex(acpi_handle handle,
 699                                                acpi_string pathname))
 700
 701 /*
 702  * Fixed Event interfaces
 703  */
 704 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 705                                 acpi_enable_event(u32 event, u32 flags))
 706
 707 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 708                                 acpi_disable_event(u32 event, u32 flags))
 709 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
 710
 711 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 712                                 acpi_get_event_status(u32 event,
 713                                                       acpi_event_status
 714                                                       *event_status))
 715
 716 /*
 717  * General Purpose Event (GPE) Interfaces
 718  */
 719 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
 720
 721 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 722                                 acpi_enable_gpe(acpi_handle gpe_device,
 723                                                 u32 gpe_number))
 724
 725 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 726                                 acpi_disable_gpe(acpi_handle gpe_device,
 727                                                  u32 gpe_number))
 728
 729 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 730                                 acpi_clear_gpe(acpi_handle gpe_device,
 731                                                u32 gpe_number))
 732
 733 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 734                                 acpi_set_gpe(acpi_handle gpe_device,
 735                                              u32 gpe_number, u8 action))
 736
 737 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 738                                 acpi_finish_gpe(acpi_handle gpe_device,
 739                                                 u32 gpe_number))
 740
 741 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 742                                 acpi_mask_gpe(acpi_handle gpe_device,
 743                                               u32 gpe_number, u8 is_masked))
 744
 745 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 746                                 acpi_mark_gpe_for_wake(acpi_handle gpe_device,
 747                                                        u32 gpe_number))
 748
 749 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 750                                 acpi_setup_gpe_for_wake(acpi_handle
 751                                                         parent_device,
 752                                                         acpi_handle gpe_device,
 753                                                         u32 gpe_number))
 754 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 755                                  acpi_set_gpe_wake_mask(acpi_handle gpe_device,
 756                                                         u32 gpe_number,
 757                                                         u8 action))
 758 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 759                                  acpi_get_gpe_status(acpi_handle gpe_device,
 760                                                      u32 gpe_number,
 761                                                      acpi_event_status
 762                                                      *event_status))
 763 ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_dispatch_gpe(acpi_handle gpe_device, u32 gpe_number))
 764 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_hw_disable_all_gpes(void))
 765 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
 766 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
 767 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))
 768 ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_any_gpe_status_set(u32 gpe_skip_number))
 769 ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_any_fixed_event_status_set(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(4)
 924                                 void ACPI_INTERNAL_VAR_XFACE
 925                                 acpi_bios_exception(const char *module_name,
 926                                                     u32 line_number,
 927                                                     acpi_status status,
 928                                                     const char *format, ...))
 929 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 930                                 void ACPI_INTERNAL_VAR_XFACE
 931                                 acpi_bios_warning(const char *module_name,
 932                                                   u32 line_number,
 933                                                   const char *format, ...))
 934
 935 /*
 936  * Debug output
 937  */
 938 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
 939                                void ACPI_INTERNAL_VAR_XFACE
 940                                acpi_debug_print(u32 requested_debug_level,
 941                                                 u32 line_number,
 942                                                 const char *function_name,
 943                                                 const char *module_name,
 944                                                 u32 component_id,
 945                                                 const char *format, ...))
 946 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
 947                                 void ACPI_INTERNAL_VAR_XFACE
 948                                 acpi_debug_print_raw(u32 requested_debug_level,
 949                                                      u32 line_number,
 950                                                      const char *function_name,
 951                                                      const char *module_name,
 952                                                      u32 component_id,
 953                                                      const char *format, ...))
 954
 955 ACPI_DBG_DEPENDENT_RETURN_VOID(void
 956                                acpi_trace_point(acpi_trace_event_type type,
 957                                                 u8 begin,
 958                                                 u8 *aml, char *pathname))
 959
 960 acpi_status acpi_initialize_debugger(void);
 961
 962 void acpi_terminate_debugger(void);
 963
 964 /*
 965  * Divergences
 966  */
 967 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 968                             acpi_get_data_full(acpi_handle object,
 969                                                acpi_object_handler handler,
 970                                                void **data,
 971                                                void (*callback)(void *)))
 972
 973 void acpi_set_debugger_thread_id(acpi_thread_id thread_id);
 974
 975 #endif                          /* __ACXFACE_H__ */