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 - 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                 0x20210604
  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(acpi_physical_address address,
 458                                                u8 physical))
 459
 460 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 461                             acpi_load_table(struct acpi_table_header *table,
 462                                             u32 *table_idx))
 463
 464 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 465                             acpi_unload_table(u32 table_index))
 466
 467 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 468                             acpi_unload_parent_table(acpi_handle object))
 469
 470 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 471                             acpi_load_tables(void))
 472
 473 /*
 474  * ACPI table manipulation interfaces
 475  */
 476 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 477                             acpi_reallocate_root_table(void))
 478
 479 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 480                             acpi_find_root_pointer(acpi_physical_address
 481                                                    *rsdp_address))
 482 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 483                              acpi_get_table_header(acpi_string signature,
 484                                                    u32 instance,
 485                                                    struct acpi_table_header
 486                                                    *out_table_header))
 487 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 488                              acpi_get_table(acpi_string signature, u32 instance,
 489                                             struct acpi_table_header
 490                                             **out_table))
 491 ACPI_EXTERNAL_RETURN_VOID(void acpi_put_table(struct acpi_table_header *table))
 492
 493 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 494                             acpi_get_table_by_index(u32 table_index,
 495                                                     struct acpi_table_header
 496                                                     **out_table))
 497 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 498                              acpi_install_table_handler(acpi_table_handler
 499                                                         handler, void *context))
 500 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 501                              acpi_remove_table_handler(acpi_table_handler
 502                                                        handler))
 503
 504 /*
 505  * Namespace and name interfaces
 506  */
 507 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 508                             acpi_walk_namespace(acpi_object_type type,
 509                                                 acpi_handle start_object,
 510                                                 u32 max_depth,
 511                                                 acpi_walk_callback
 512                                                 descending_callback,
 513                                                 acpi_walk_callback
 514                                                 ascending_callback,
 515                                                 void *context,
 516                                                 void **return_value))
 517 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 518                              acpi_get_devices(const char *HID,
 519                                               acpi_walk_callback user_function,
 520                                               void *context,
 521                                               void **return_value))
 522 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 523                              acpi_get_name(acpi_handle object, u32 name_type,
 524                                            struct acpi_buffer *ret_path_ptr))
 525 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 526                              acpi_get_handle(acpi_handle parent,
 527                                              acpi_string pathname,
 528                                              acpi_handle *ret_handle))
 529 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 530                              acpi_attach_data(acpi_handle object,
 531                                               acpi_object_handler handler,
 532                                               void *data))
 533 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 534                              acpi_detach_data(acpi_handle object,
 535                                               acpi_object_handler handler))
 536 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 537                              acpi_get_data(acpi_handle object,
 538                                            acpi_object_handler handler,
 539                                            void **data))
 540 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 541                              acpi_debug_trace(const char *name, u32 debug_level,
 542                                               u32 debug_layer, u32 flags))
 543
 544 /*
 545  * Object manipulation and enumeration
 546  */
 547 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 548                             acpi_evaluate_object(acpi_handle object,
 549                                                  acpi_string pathname,
 550                                                  struct acpi_object_list
 551                                                  *parameter_objects,
 552                                                  struct acpi_buffer
 553                                                  *return_object_buffer))
 554 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 555                              acpi_evaluate_object_typed(acpi_handle object,
 556                                                         acpi_string pathname,
 557                                                         struct acpi_object_list
 558                                                         *external_params,
 559                                                         struct acpi_buffer
 560                                                         *return_buffer,
 561                                                         acpi_object_type
 562                                                         return_type))
 563 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 564                              acpi_get_object_info(acpi_handle object,
 565                                                   struct acpi_device_info
 566                                                   **return_buffer))
 567 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_install_method(u8 *buffer))
 568
 569 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 570                             acpi_get_next_object(acpi_object_type type,
 571                                                  acpi_handle parent,
 572                                                  acpi_handle child,
 573                                                  acpi_handle *out_handle))
 574
 575 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 576                             acpi_get_type(acpi_handle object,
 577                                           acpi_object_type *out_type))
 578
 579 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 580                             acpi_get_parent(acpi_handle object,
 581                                             acpi_handle *out_handle))
 582
 583 /*
 584  * Handler interfaces
 585  */
 586 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 587                             acpi_install_initialization_handler
 588                             (acpi_init_handler handler, u32 function))
 589 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 590                                  acpi_install_sci_handler(acpi_sci_handler
 591                                                           address,
 592                                                           void *context))
 593 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 594                                  acpi_remove_sci_handler(acpi_sci_handler
 595                                                          address))
 596 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 597                                  acpi_install_global_event_handler
 598                                  (acpi_gbl_event_handler handler,
 599                                   void *context))
 600 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 601                                  acpi_install_fixed_event_handler(u32
 602                                                                   acpi_event,
 603                                                                   acpi_event_handler
 604                                                                   handler,
 605                                                                   void
 606                                                                   *context))
 607 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 608                                  acpi_remove_fixed_event_handler(u32 acpi_event,
 609                                                                  acpi_event_handler
 610                                                                  handler))
 611 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 612                                  acpi_install_gpe_handler(acpi_handle
 613                                                           gpe_device,
 614                                                           u32 gpe_number,
 615                                                           u32 type,
 616                                                           acpi_gpe_handler
 617                                                           address,
 618                                                           void *context))
 619 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 620                                  acpi_install_gpe_raw_handler(acpi_handle
 621                                                               gpe_device,
 622                                                               u32 gpe_number,
 623                                                               u32 type,
 624                                                               acpi_gpe_handler
 625                                                               address,
 626                                                               void *context))
 627 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 628                                  acpi_remove_gpe_handler(acpi_handle gpe_device,
 629                                                          u32 gpe_number,
 630                                                          acpi_gpe_handler
 631                                                          address))
 632 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 633                              acpi_install_notify_handler(acpi_handle device,
 634                                                          u32 handler_type,
 635                                                          acpi_notify_handler
 636                                                          handler,
 637                                                          void *context))
 638 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 639                              acpi_remove_notify_handler(acpi_handle device,
 640                                                         u32 handler_type,
 641                                                         acpi_notify_handler
 642                                                         handler))
 643 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 644                              acpi_install_address_space_handler(acpi_handle
 645                                                                 device,
 646                                                                 acpi_adr_space_type
 647                                                                 space_id,
 648                                                                 acpi_adr_space_handler
 649                                                                 handler,
 650                                                                 acpi_adr_space_setup
 651                                                                 setup,
 652                                                                 void *context))
 653 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 654                              acpi_remove_address_space_handler(acpi_handle
 655                                                                device,
 656                                                                acpi_adr_space_type
 657                                                                space_id,
 658                                                                acpi_adr_space_handler
 659                                                                handler))
 660 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 661                              acpi_install_exception_handler
 662                              (acpi_exception_handler handler))
 663 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 664                              acpi_install_interface_handler
 665                              (acpi_interface_handler handler))
 666
 667 /*
 668  * Global Lock interfaces
 669  */
 670 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 671                                 acpi_acquire_global_lock(u16 timeout,
 672                                                          u32 *handle))
 673
 674 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 675                                 acpi_release_global_lock(u32 handle))
 676
 677 /*
 678  * Interfaces to AML mutex objects
 679  */
 680 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 681                             acpi_acquire_mutex(acpi_handle handle,
 682                                                acpi_string pathname,
 683                                                u16 timeout))
 684
 685 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 686                             acpi_release_mutex(acpi_handle handle,
 687                                                acpi_string pathname))
 688
 689 /*
 690  * Fixed Event interfaces
 691  */
 692 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 693                                 acpi_enable_event(u32 event, u32 flags))
 694
 695 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 696                                 acpi_disable_event(u32 event, u32 flags))
 697 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
 698
 699 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 700                                 acpi_get_event_status(u32 event,
 701                                                       acpi_event_status
 702                                                       *event_status))
 703
 704 /*
 705  * General Purpose Event (GPE) Interfaces
 706  */
 707 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
 708
 709 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 710                                 acpi_enable_gpe(acpi_handle gpe_device,
 711                                                 u32 gpe_number))
 712
 713 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 714                                 acpi_disable_gpe(acpi_handle gpe_device,
 715                                                  u32 gpe_number))
 716
 717 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 718                                 acpi_clear_gpe(acpi_handle gpe_device,
 719                                                u32 gpe_number))
 720
 721 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 722                                 acpi_set_gpe(acpi_handle gpe_device,
 723                                              u32 gpe_number, u8 action))
 724
 725 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 726                                 acpi_finish_gpe(acpi_handle gpe_device,
 727                                                 u32 gpe_number))
 728
 729 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 730                                 acpi_mask_gpe(acpi_handle gpe_device,
 731                                               u32 gpe_number, u8 is_masked))
 732
 733 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 734                                 acpi_mark_gpe_for_wake(acpi_handle gpe_device,
 735                                                        u32 gpe_number))
 736
 737 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 738                                 acpi_setup_gpe_for_wake(acpi_handle
 739                                                         parent_device,
 740                                                         acpi_handle gpe_device,
 741                                                         u32 gpe_number))
 742 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 743                                  acpi_set_gpe_wake_mask(acpi_handle gpe_device,
 744                                                         u32 gpe_number,
 745                                                         u8 action))
 746 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 747                                  acpi_get_gpe_status(acpi_handle gpe_device,
 748                                                      u32 gpe_number,
 749                                                      acpi_event_status
 750                                                      *event_status))
 751 ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_dispatch_gpe(acpi_handle gpe_device, u32 gpe_number))
 752 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
 753 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
 754 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))
 755 ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_any_gpe_status_set(u32 gpe_skip_number))
 756 ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_any_fixed_event_status_set(void))
 757
 758 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 759                                 acpi_get_gpe_device(u32 gpe_index,
 760                                                     acpi_handle *gpe_device))
 761
 762 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 763                                 acpi_install_gpe_block(acpi_handle gpe_device,
 764                                                        struct
 765                                                        acpi_generic_address
 766                                                        *gpe_block_address,
 767                                                        u32 register_count,
 768                                                        u32 interrupt_number))
 769 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 770                                  acpi_remove_gpe_block(acpi_handle gpe_device))
 771
 772 /*
 773  * Resource interfaces
 774  */
 775 typedef
 776 acpi_status (*acpi_walk_resource_callback) (struct acpi_resource * resource,
 777                                             void *context);
 778
 779 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 780                             acpi_get_vendor_resource(acpi_handle device,
 781                                                      char *name,
 782                                                      struct acpi_vendor_uuid
 783                                                      *uuid,
 784                                                      struct acpi_buffer
 785                                                      *ret_buffer))
 786 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 787                              acpi_get_current_resources(acpi_handle device,
 788                                                         struct acpi_buffer
 789                                                         *ret_buffer))
 790 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 791                              acpi_get_possible_resources(acpi_handle device,
 792                                                          struct acpi_buffer
 793                                                          *ret_buffer))
 794 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 795                              acpi_get_event_resources(acpi_handle device_handle,
 796                                                       struct acpi_buffer
 797                                                       *ret_buffer))
 798 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 799                              acpi_walk_resource_buffer(struct acpi_buffer
 800                                                        *buffer,
 801                                                        acpi_walk_resource_callback
 802                                                        user_function,
 803                                                        void *context))
 804 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 805                              acpi_walk_resources(acpi_handle device, char *name,
 806                                                  acpi_walk_resource_callback
 807                                                  user_function, void *context))
 808 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 809                              acpi_set_current_resources(acpi_handle device,
 810                                                         struct acpi_buffer
 811                                                         *in_buffer))
 812 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 813                              acpi_get_irq_routing_table(acpi_handle device,
 814                                                         struct acpi_buffer
 815                                                         *ret_buffer))
 816 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 817                              acpi_resource_to_address64(struct acpi_resource
 818                                                         *resource,
 819                                                         struct
 820                                                         acpi_resource_address64
 821                                                         *out))
 822 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 823                              acpi_buffer_to_resource(u8 *aml_buffer,
 824                                                      u16 aml_buffer_length,
 825                                                      struct acpi_resource
 826                                                      **resource_ptr))
 827
 828 /*
 829  * Hardware (ACPI device) interfaces
 830  */
 831 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_reset(void))
 832
 833 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 834                             acpi_read(u64 *value,
 835                                       struct acpi_generic_address *reg))
 836
 837 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 838                             acpi_write(u64 value,
 839                                        struct acpi_generic_address *reg))
 840
 841 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 842                                 acpi_read_bit_register(u32 register_id,
 843                                                        u32 *return_value))
 844
 845 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 846                                 acpi_write_bit_register(u32 register_id,
 847                                                         u32 value))
 848
 849 /*
 850  * Sleep/Wake interfaces
 851  */
 852 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 853                             acpi_get_sleep_type_data(u8 sleep_state,
 854                                                      u8 *slp_typ_a,
 855                                                      u8 *slp_typ_b))
 856
 857 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 858                             acpi_enter_sleep_state_prep(u8 sleep_state))
 859 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_enter_sleep_state(u8 sleep_state))
 860
 861 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enter_sleep_state_s4bios(void))
 862
 863 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 864                             acpi_leave_sleep_state_prep(u8 sleep_state))
 865 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_leave_sleep_state(u8 sleep_state))
 866
 867 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 868                                 acpi_set_firmware_waking_vector
 869                                 (acpi_physical_address physical_address,
 870                                  acpi_physical_address physical_address64))
 871 /*
 872  * ACPI Timer interfaces
 873  */
 874 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 875                                 acpi_get_timer_resolution(u32 *resolution))
 876 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
 877
 878 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 879                                 acpi_get_timer_duration(u32 start_ticks,
 880                                                         u32 end_ticks,
 881                                                         u32 *time_elapsed))
 882
 883 /*
 884  * Error/Warning output
 885  */
 886 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 887                                void ACPI_INTERNAL_VAR_XFACE
 888                                acpi_error(const char *module_name,
 889                                           u32 line_number,
 890                                           const char *format, ...))
 891 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
 892                                 void ACPI_INTERNAL_VAR_XFACE
 893                                 acpi_exception(const char *module_name,
 894                                                u32 line_number,
 895                                                acpi_status status,
 896                                                const char *format, ...))
 897 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 898                                 void ACPI_INTERNAL_VAR_XFACE
 899                                 acpi_warning(const char *module_name,
 900                                              u32 line_number,
 901                                              const char *format, ...))
 902 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(1)
 903                                 void ACPI_INTERNAL_VAR_XFACE
 904                                 acpi_info(const char *format, ...))
 905 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 906                                 void ACPI_INTERNAL_VAR_XFACE
 907                                 acpi_bios_error(const char *module_name,
 908                                                 u32 line_number,
 909                                                 const char *format, ...))
 910 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
 911                                 void ACPI_INTERNAL_VAR_XFACE
 912                                 acpi_bios_exception(const char *module_name,
 913                                                     u32 line_number,
 914                                                     acpi_status status,
 915                                                     const char *format, ...))
 916 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 917                                 void ACPI_INTERNAL_VAR_XFACE
 918                                 acpi_bios_warning(const char *module_name,
 919                                                   u32 line_number,
 920                                                   const char *format, ...))
 921
 922 /*
 923  * Debug output
 924  */
 925 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
 926                                void ACPI_INTERNAL_VAR_XFACE
 927                                acpi_debug_print(u32 requested_debug_level,
 928                                                 u32 line_number,
 929                                                 const char *function_name,
 930                                                 const char *module_name,
 931                                                 u32 component_id,
 932                                                 const char *format, ...))
 933 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
 934                                 void ACPI_INTERNAL_VAR_XFACE
 935                                 acpi_debug_print_raw(u32 requested_debug_level,
 936                                                      u32 line_number,
 937                                                      const char *function_name,
 938                                                      const char *module_name,
 939                                                      u32 component_id,
 940                                                      const char *format, ...))
 941
 942 ACPI_DBG_DEPENDENT_RETURN_VOID(void
 943                                acpi_trace_point(acpi_trace_event_type type,
 944                                                 u8 begin,
 945                                                 u8 *aml, char *pathname))
 946
 947 acpi_status acpi_initialize_debugger(void);
 948
 949 void acpi_terminate_debugger(void);
 950
 951 /*
 952  * Divergences
 953  */
 954 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 955                             acpi_get_data_full(acpi_handle object,
 956                                                acpi_object_handler handler,
 957                                                void **data,
 958                                                void (*callback)(void *)))
 959
 960 void acpi_run_debugger(char *batch_buffer);
 961
 962 void acpi_set_debugger_thread_id(acpi_thread_id thread_id);
 963
 964 #endif                          /* __ACXFACE_H__ */