include/acpi/acpixf.h

   1 /******************************************************************************
   2  *
   3  * Name: acpixf.h - External interfaces to the ACPI subsystem
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2017, Intel Corp.
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions, and the following disclaimer,
  16  *    without modification.
  17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18  *    substantially similar to the "NO WARRANTY" disclaimer below
  19  *    ("Disclaimer") and any redistribution must be conditioned upon
  20  *    including a substantially similar Disclaimer requirement for further
  21  *    binary redistribution.
  22  * 3. Neither the names of the above-listed copyright holders nor the names
  23  *    of any contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * Alternatively, this software may be distributed under the terms of the
  27  * GNU General Public License ("GPL") version 2 as published by the Free
  28  * Software Foundation.
  29  *
  30  * NO WARRANTY
  31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 #ifndef __ACXFACE_H__
  45 #define __ACXFACE_H__
  46
  47 /* Current ACPICA subsystem version in YYYYMMDD format */
  48
  49 #define ACPI_CA_VERSION                 0x20170831
  50
  51 #include <acpi/acconfig.h>
  52 #include <acpi/actypes.h>
  53 #include <acpi/actbl.h>
  54 #include <acpi/acbuffer.h>
  55
  56 /*****************************************************************************
  57  *
  58  * Macros used for ACPICA globals and configuration
  59  *
  60  ****************************************************************************/
  61
  62 /*
  63  * Ensure that global variables are defined and initialized only once.
  64  *
  65  * The use of these macros allows for a single list of globals (here)
  66  * in order to simplify maintenance of the code.
  67  */
  68 #ifdef DEFINE_ACPI_GLOBALS
  69 #define ACPI_GLOBAL(type,name) \
  70         extern type name; \
  71         type name
  72
  73 #define ACPI_INIT_GLOBAL(type,name,value) \
  74         type name=value
  75
  76 #else
  77 #ifndef ACPI_GLOBAL
  78 #define ACPI_GLOBAL(type,name) \
  79         extern type name
  80 #endif
  81
  82 #ifndef ACPI_INIT_GLOBAL
  83 #define ACPI_INIT_GLOBAL(type,name,value) \
  84         extern type name
  85 #endif
  86 #endif
  87
  88 /*
  89  * These macros configure the various ACPICA interfaces. They are
  90  * useful for generating stub inline functions for features that are
  91  * configured out of the current kernel or ACPICA application.
  92  */
  93 #ifndef ACPI_EXTERNAL_RETURN_STATUS
  94 #define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
  95         prototype;
  96 #endif
  97
  98 #ifndef ACPI_EXTERNAL_RETURN_OK
  99 #define ACPI_EXTERNAL_RETURN_OK(prototype) \
 100         prototype;
 101 #endif
 102
 103 #ifndef ACPI_EXTERNAL_RETURN_VOID
 104 #define ACPI_EXTERNAL_RETURN_VOID(prototype) \
 105         prototype;
 106 #endif
 107
 108 #ifndef ACPI_EXTERNAL_RETURN_UINT32
 109 #define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
 110         prototype;
 111 #endif
 112
 113 #ifndef ACPI_EXTERNAL_RETURN_PTR
 114 #define ACPI_EXTERNAL_RETURN_PTR(prototype) \
 115         prototype;
 116 #endif
 117
 118 /*****************************************************************************
 119  *
 120  * Public globals and runtime configuration options
 121  *
 122  ****************************************************************************/
 123
 124 /*
 125  * Enable "slack mode" of the AML interpreter?  Default is FALSE, and the
 126  * interpreter strictly follows the ACPI specification. Setting to TRUE
 127  * allows the interpreter to ignore certain errors and/or bad AML constructs.
 128  *
 129  * Currently, these features are enabled by this flag:
 130  *
 131  * 1) Allow "implicit return" of last value in a control method
 132  * 2) Allow access beyond the end of an operation region
 133  * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
 134  * 4) Allow ANY object type to be a source operand for the Store() operator
 135  * 5) Allow unresolved references (invalid target name) in package objects
 136  * 6) Enable warning messages for behavior that is not ACPI spec compliant
 137  */
 138 ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_interpreter_slack, FALSE);
 139
 140 /*
 141  * Automatically serialize all methods that create named objects? Default
 142  * is TRUE, meaning that all non_serialized methods are scanned once at
 143  * table load time to determine those that create named objects. Methods
 144  * that create named objects are marked Serialized in order to prevent
 145  * possible run-time problems if they are entered by more than one thread.
 146  */
 147 ACPI_INIT_GLOBAL(u8, acpi_gbl_auto_serialize_methods, TRUE);
 148
 149 /*
 150  * Create the predefined _OSI method in the namespace? Default is TRUE
 151  * because ACPICA is fully compatible with other ACPI implementations.
 152  * Changing this will revert ACPICA (and machine ASL) to pre-OSI behavior.
 153  */
 154 ACPI_INIT_GLOBAL(u8, acpi_gbl_create_osi_method, TRUE);
 155
 156 /*
 157  * Optionally use default values for the ACPI register widths. Set this to
 158  * TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
 159  */
 160 ACPI_INIT_GLOBAL(u8, acpi_gbl_use_default_register_widths, TRUE);
 161
 162 /*
 163  * Whether or not to validate (map) an entire table to verify
 164  * checksum/duplication in early stage before install. Set this to TRUE to
 165  * allow early table validation before install it to the table manager.
 166  * Note that enabling this option causes errors to happen in some OSPMs
 167  * during early initialization stages. Default behavior is to allow such
 168  * validation.
 169  */
 170 ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_table_validation, TRUE);
 171
 172 /*
 173  * Optionally enable output from the AML Debug Object.
 174  */
 175 ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_aml_debug_object, FALSE);
 176
 177 /*
 178  * Optionally copy the entire DSDT to local memory (instead of simply
 179  * mapping it.) There are some BIOSs that corrupt or replace the original
 180  * DSDT, creating the need for this option. Default is FALSE, do not copy
 181  * the DSDT.
 182  */
 183 ACPI_INIT_GLOBAL(u8, acpi_gbl_copy_dsdt_locally, FALSE);
 184
 185 /*
 186  * Optionally ignore an XSDT if present and use the RSDT instead.
 187  * Although the ACPI specification requires that an XSDT be used instead
 188  * of the RSDT, the XSDT has been found to be corrupt or ill-formed on
 189  * some machines. Default behavior is to use the XSDT if present.
 190  */
 191 ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE);
 192
 193 /*
 194  * Optionally support group module level code.
 195  */
 196 ACPI_INIT_GLOBAL(u8, acpi_gbl_group_module_level_code, TRUE);
 197
 198 /*
 199  * Optionally support module level code by parsing the entire table as
 200  * a term_list. Default is FALSE, do not execute entire table until some
 201  * lock order issues are fixed.
 202  */
 203 ACPI_INIT_GLOBAL(u8, acpi_gbl_parse_table_as_term_list, FALSE);
 204
 205 /*
 206  * Optionally use 32-bit FADT addresses if and when there is a conflict
 207  * (address mismatch) between the 32-bit and 64-bit versions of the
 208  * address. Although ACPICA adheres to the ACPI specification which
 209  * requires the use of the corresponding 64-bit address if it is non-zero,
 210  * some machines have been found to have a corrupted non-zero 64-bit
 211  * address. Default is FALSE, do not favor the 32-bit addresses.
 212  */
 213 ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, FALSE);
 214
 215 /*
 216  * Optionally use 32-bit FACS table addresses.
 217  * It is reported that some platforms fail to resume from system suspending
 218  * if 64-bit FACS table address is selected:
 219  * https://bugzilla.kernel.org/show_bug.cgi?id=74021
 220  * Default is TRUE, favor the 32-bit addresses.
 221  */
 222 ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_facs_addresses, TRUE);
 223
 224 /*
 225  * Optionally truncate I/O addresses to 16 bits. Provides compatibility
 226  * with other ACPI implementations. NOTE: During ACPICA initialization,
 227  * this value is set to TRUE if any Windows OSI strings have been
 228  * requested by the BIOS.
 229  */
 230 ACPI_INIT_GLOBAL(u8, acpi_gbl_truncate_io_addresses, FALSE);
 231
 232 /*
 233  * Disable runtime checking and repair of values returned by control methods.
 234  * Use only if the repair is causing a problem on a particular machine.
 235  */
 236 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_auto_repair, FALSE);
 237
 238 /*
 239  * Optionally do not install any SSDTs from the RSDT/XSDT during initialization.
 240  * This can be useful for debugging ACPI problems on some machines.
 241  */
 242 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_ssdt_table_install, FALSE);
 243
 244 /*
 245  * Optionally enable runtime namespace override.
 246  */
 247 ACPI_INIT_GLOBAL(u8, acpi_gbl_runtime_namespace_override, TRUE);
 248
 249 /*
 250  * We keep track of the latest version of Windows that has been requested by
 251  * the BIOS. ACPI 5.0.
 252  */
 253 ACPI_INIT_GLOBAL(u8, acpi_gbl_osi_data, 0);
 254
 255 /*
 256  * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
 257  * that the ACPI hardware is no longer required. A flag in the FADT indicates
 258  * a reduced HW machine, and that flag is duplicated here for convenience.
 259  */
 260 ACPI_INIT_GLOBAL(u8, acpi_gbl_reduced_hardware, FALSE);
 261
 262 /*
 263  * Maximum number of While() loop iterations before forced method abort.
 264  * This mechanism is intended to prevent infinite loops during interpreter
 265  * execution within a host kernel.
 266  */
 267 ACPI_INIT_GLOBAL(u32, acpi_gbl_max_loop_iterations, ACPI_MAX_LOOP_COUNT);
 268
 269 /*
 270  * This mechanism is used to trace a specified AML method. The method is
 271  * traced each time it is executed.
 272  */
 273 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_flags, 0);
 274 ACPI_INIT_GLOBAL(const char *, acpi_gbl_trace_method_name, NULL);
 275 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_level, ACPI_TRACE_LEVEL_DEFAULT);
 276 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_layer, ACPI_TRACE_LAYER_DEFAULT);
 277
 278 /*
 279  * Runtime configuration of debug output control masks. We want the debug
 280  * switches statically initialized so they are already set when the debugger
 281  * is entered.
 282  */
 283 ACPI_INIT_GLOBAL(u32, acpi_dbg_level, ACPI_DEBUG_DEFAULT);
 284 ACPI_INIT_GLOBAL(u32, acpi_dbg_layer, 0);
 285
 286 /* Optionally enable timer output with Debug Object output */
 287
 288 ACPI_INIT_GLOBAL(u8, acpi_gbl_display_debug_timer, FALSE);
 289
 290 /*
 291  * Debugger command handshake globals. Host OSes need to access these
 292  * variables to implement their own command handshake mechanism.
 293  */
 294 #ifdef ACPI_DEBUGGER
 295 ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE);
 296 ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]);
 297 #endif
 298
 299 /*
 300  * Other miscellaneous globals
 301  */
 302 ACPI_GLOBAL(struct acpi_table_fadt, acpi_gbl_FADT);
 303 ACPI_GLOBAL(u32, acpi_current_gpe_count);
 304 ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running);
 305
 306 /*****************************************************************************
 307  *
 308  * ACPICA public interface configuration.
 309  *
 310  * Interfaces that are configured out of the ACPICA build are replaced
 311  * by inlined stubs by default.
 312  *
 313  ****************************************************************************/
 314
 315 /*
 316  * Hardware-reduced prototypes (default: Not hardware reduced).
 317  *
 318  * All ACPICA hardware-related interfaces that use these macros will be
 319  * configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
 320  * is set to TRUE.
 321  *
 322  * Note: This static build option for reduced hardware is intended to
 323  * reduce ACPICA code size if desired or necessary. However, even if this
 324  * option is not specified, the runtime behavior of ACPICA is dependent
 325  * on the actual FADT reduced hardware flag (HW_REDUCED_ACPI). If set,
 326  * the flag will enable similar behavior -- ACPICA will not attempt
 327  * to access any ACPI-relate hardware (SCI, GPEs, Fixed Events, etc.)
 328  */
 329 #if (!ACPI_REDUCED_HARDWARE)
 330 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
 331         ACPI_EXTERNAL_RETURN_STATUS(prototype)
 332
 333 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
 334         ACPI_EXTERNAL_RETURN_OK(prototype)
 335
 336 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
 337         ACPI_EXTERNAL_RETURN_VOID(prototype)
 338
 339 #else
 340 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
 341         static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
 342
 343 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
 344         static ACPI_INLINE prototype {return(AE_OK);}
 345
 346 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
 347         static ACPI_INLINE prototype {return;}
 348
 349 #endif                          /* !ACPI_REDUCED_HARDWARE */
 350
 351 /*
 352  * Error message prototypes (default: error messages enabled).
 353  *
 354  * All interfaces related to error and warning messages
 355  * will be configured out of the ACPICA build if the
 356  * ACPI_NO_ERROR_MESSAGE flag is defined.
 357  */
 358 #ifndef ACPI_NO_ERROR_MESSAGES
 359 #define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
 360         prototype;
 361
 362 #else
 363 #define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
 364         static ACPI_INLINE prototype {return;}
 365
 366 #endif                          /* ACPI_NO_ERROR_MESSAGES */
 367
 368 /*
 369  * Debugging output prototypes (default: no debug output).
 370  *
 371  * All interfaces related to debug output messages
 372  * will be configured out of the ACPICA build unless the
 373  * ACPI_DEBUG_OUTPUT flag is defined.
 374  */
 375 #ifdef ACPI_DEBUG_OUTPUT
 376 #define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
 377         prototype;
 378
 379 #else
 380 #define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
 381         static ACPI_INLINE prototype {return;}
 382
 383 #endif                          /* ACPI_DEBUG_OUTPUT */
 384
 385 /*
 386  * Application prototypes
 387  *
 388  * All interfaces used by application will be configured
 389  * out of the ACPICA build unless the ACPI_APPLICATION
 390  * flag is defined.
 391  */
 392 #ifdef ACPI_APPLICATION
 393 #define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
 394         prototype;
 395
 396 #else
 397 #define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
 398         static ACPI_INLINE prototype {return;}
 399
 400 #endif                          /* ACPI_APPLICATION */
 401
 402 /*
 403  * Debugger prototypes
 404  *
 405  * All interfaces used by debugger will be configured
 406  * out of the ACPICA build unless the ACPI_DEBUGGER
 407  * flag is defined.
 408  */
 409 #ifdef ACPI_DEBUGGER
 410 #define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
 411         ACPI_EXTERNAL_RETURN_OK(prototype)
 412
 413 #define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
 414         ACPI_EXTERNAL_RETURN_VOID(prototype)
 415
 416 #else
 417 #define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
 418         static ACPI_INLINE prototype {return(AE_OK);}
 419
 420 #define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
 421         static ACPI_INLINE prototype {return;}
 422
 423 #endif                          /* ACPI_DEBUGGER */
 424
 425 /*****************************************************************************
 426  *
 427  * ACPICA public interface prototypes
 428  *
 429  ****************************************************************************/
 430
 431 /*
 432  * Initialization
 433  */
 434 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 435                             acpi_initialize_tables(struct acpi_table_desc
 436                                                    *initial_storage,
 437                                                    u32 initial_table_count,
 438                                                    u8 allow_resize))
 439 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 440                              acpi_initialize_subsystem(void))
 441 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 442                              acpi_enable_subsystem(u32 flags))
 443 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 444                              acpi_initialize_objects(u32 flags))
 445 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 446                              acpi_terminate(void))
 447
 448 /*
 449  * Miscellaneous global interfaces
 450  */
 451 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
 452 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
 453 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_subsystem_status(void))
 454
 455 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 456                             acpi_get_system_info(struct acpi_buffer
 457                                                  *ret_buffer))
 458 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 459                              acpi_get_statistics(struct acpi_statistics *stats))
 460 ACPI_EXTERNAL_RETURN_PTR(const char
 461                           *acpi_format_exception(acpi_status exception))
 462 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_purge_cached_objects(void))
 463
 464 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 465                             acpi_install_interface(acpi_string interface_name))
 466
 467 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 468                             acpi_remove_interface(acpi_string interface_name))
 469 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_update_interfaces(u8 action))
 470
 471 ACPI_EXTERNAL_RETURN_UINT32(u32
 472                             acpi_check_address_range(acpi_adr_space_type
 473                                                      space_id,
 474                                                      acpi_physical_address
 475                                                      address, acpi_size length,
 476                                                      u8 warn))
 477 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 478                              acpi_decode_pld_buffer(u8 *in_buffer,
 479                                                     acpi_size length,
 480                                                     struct acpi_pld_info
 481                                                     **return_buffer))
 482
 483 /*
 484  * ACPI table load/unload interfaces
 485  */
 486 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 487                             acpi_install_table(acpi_physical_address address,
 488                                                u8 physical))
 489
 490 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 491                             acpi_load_table(struct acpi_table_header *table))
 492
 493 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 494                             acpi_unload_parent_table(acpi_handle object))
 495
 496 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 497                             acpi_load_tables(void))
 498
 499 /*
 500  * ACPI table manipulation interfaces
 501  */
 502 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 503                             acpi_reallocate_root_table(void))
 504
 505 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 506                             acpi_find_root_pointer(acpi_physical_address
 507                                                    *rsdp_address))
 508 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 509                              acpi_get_table_header(acpi_string signature,
 510                                                    u32 instance,
 511                                                    struct acpi_table_header
 512                                                    *out_table_header))
 513 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 514                              acpi_get_table(acpi_string signature, u32 instance,
 515                                             struct acpi_table_header
 516                                             **out_table))
 517 ACPI_EXTERNAL_RETURN_VOID(void acpi_put_table(struct acpi_table_header *table))
 518
 519 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 520                             acpi_get_table_by_index(u32 table_index,
 521                                                     struct acpi_table_header
 522                                                     **out_table))
 523 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 524                              acpi_install_table_handler(acpi_table_handler
 525                                                         handler, void *context))
 526 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 527                              acpi_remove_table_handler(acpi_table_handler
 528                                                        handler))
 529
 530 /*
 531  * Namespace and name interfaces
 532  */
 533 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 534                             acpi_walk_namespace(acpi_object_type type,
 535                                                 acpi_handle start_object,
 536                                                 u32 max_depth,
 537                                                 acpi_walk_callback
 538                                                 descending_callback,
 539                                                 acpi_walk_callback
 540                                                 ascending_callback,
 541                                                 void *context,
 542                                                 void **return_value))
 543 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 544                              acpi_get_devices(const char *HID,
 545                                               acpi_walk_callback user_function,
 546                                               void *context,
 547                                               void **return_value))
 548 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 549                              acpi_get_name(acpi_handle object, u32 name_type,
 550                                            struct acpi_buffer *ret_path_ptr))
 551 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 552                              acpi_get_handle(acpi_handle parent,
 553                                              acpi_string pathname,
 554                                              acpi_handle *ret_handle))
 555 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 556                              acpi_attach_data(acpi_handle object,
 557                                               acpi_object_handler handler,
 558                                               void *data))
 559 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 560                              acpi_detach_data(acpi_handle object,
 561                                               acpi_object_handler handler))
 562 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 563                              acpi_get_data(acpi_handle object,
 564                                            acpi_object_handler handler,
 565                                            void **data))
 566 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 567                              acpi_debug_trace(const char *name, u32 debug_level,
 568                                               u32 debug_layer, u32 flags))
 569
 570 /*
 571  * Object manipulation and enumeration
 572  */
 573 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 574                             acpi_evaluate_object(acpi_handle object,
 575                                                  acpi_string pathname,
 576                                                  struct acpi_object_list
 577                                                  *parameter_objects,
 578                                                  struct acpi_buffer
 579                                                  *return_object_buffer))
 580 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 581                              acpi_evaluate_object_typed(acpi_handle object,
 582                                                         acpi_string pathname,
 583                                                         struct acpi_object_list
 584                                                         *external_params,
 585                                                         struct acpi_buffer
 586                                                         *return_buffer,
 587                                                         acpi_object_type
 588                                                         return_type))
 589 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 590                              acpi_get_object_info(acpi_handle object,
 591                                                   struct acpi_device_info
 592                                                   **return_buffer))
 593 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_install_method(u8 *buffer))
 594
 595 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 596                             acpi_get_next_object(acpi_object_type type,
 597                                                  acpi_handle parent,
 598                                                  acpi_handle child,
 599                                                  acpi_handle *out_handle))
 600
 601 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 602                             acpi_get_type(acpi_handle object,
 603                                           acpi_object_type *out_type))
 604
 605 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 606                             acpi_get_parent(acpi_handle object,
 607                                             acpi_handle *out_handle))
 608
 609 /*
 610  * Handler interfaces
 611  */
 612 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 613                             acpi_install_initialization_handler
 614                             (acpi_init_handler handler, u32 function))
 615 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 616                                  acpi_install_sci_handler(acpi_sci_handler
 617                                                           address,
 618                                                           void *context))
 619 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 620                                  acpi_remove_sci_handler(acpi_sci_handler
 621                                                          address))
 622 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 623                                  acpi_install_global_event_handler
 624                                  (acpi_gbl_event_handler handler,
 625                                   void *context))
 626 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 627                                  acpi_install_fixed_event_handler(u32
 628                                                                   acpi_event,
 629                                                                   acpi_event_handler
 630                                                                   handler,
 631                                                                   void
 632                                                                   *context))
 633 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 634                                  acpi_remove_fixed_event_handler(u32 acpi_event,
 635                                                                  acpi_event_handler
 636                                                                  handler))
 637 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 638                                  acpi_install_gpe_handler(acpi_handle
 639                                                           gpe_device,
 640                                                           u32 gpe_number,
 641                                                           u32 type,
 642                                                           acpi_gpe_handler
 643                                                           address,
 644                                                           void *context))
 645 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 646                                  acpi_install_gpe_raw_handler(acpi_handle
 647                                                               gpe_device,
 648                                                               u32 gpe_number,
 649                                                               u32 type,
 650                                                               acpi_gpe_handler
 651                                                               address,
 652                                                               void *context))
 653 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 654                                  acpi_remove_gpe_handler(acpi_handle gpe_device,
 655                                                          u32 gpe_number,
 656                                                          acpi_gpe_handler
 657                                                          address))
 658 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 659                              acpi_install_notify_handler(acpi_handle device,
 660                                                          u32 handler_type,
 661                                                          acpi_notify_handler
 662                                                          handler,
 663                                                          void *context))
 664 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 665                              acpi_remove_notify_handler(acpi_handle device,
 666                                                         u32 handler_type,
 667                                                         acpi_notify_handler
 668                                                         handler))
 669 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 670                              acpi_install_address_space_handler(acpi_handle
 671                                                                 device,
 672                                                                 acpi_adr_space_type
 673                                                                 space_id,
 674                                                                 acpi_adr_space_handler
 675                                                                 handler,
 676                                                                 acpi_adr_space_setup
 677                                                                 setup,
 678                                                                 void *context))
 679 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 680                              acpi_remove_address_space_handler(acpi_handle
 681                                                                device,
 682                                                                acpi_adr_space_type
 683                                                                space_id,
 684                                                                acpi_adr_space_handler
 685                                                                handler))
 686 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 687                              acpi_install_exception_handler
 688                              (acpi_exception_handler handler))
 689 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 690                              acpi_install_interface_handler
 691                              (acpi_interface_handler handler))
 692
 693 /*
 694  * Global Lock interfaces
 695  */
 696 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 697                                 acpi_acquire_global_lock(u16 timeout,
 698                                                          u32 *handle))
 699
 700 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 701                                 acpi_release_global_lock(u32 handle))
 702
 703 /*
 704  * Interfaces to AML mutex objects
 705  */
 706 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 707                             acpi_acquire_mutex(acpi_handle handle,
 708                                                acpi_string pathname,
 709                                                u16 timeout))
 710
 711 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 712                             acpi_release_mutex(acpi_handle handle,
 713                                                acpi_string pathname))
 714
 715 /*
 716  * Fixed Event interfaces
 717  */
 718 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 719                                 acpi_enable_event(u32 event, u32 flags))
 720
 721 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 722                                 acpi_disable_event(u32 event, u32 flags))
 723 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
 724
 725 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 726                                 acpi_get_event_status(u32 event,
 727                                                       acpi_event_status
 728                                                       *event_status))
 729
 730 /*
 731  * General Purpose Event (GPE) Interfaces
 732  */
 733 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
 734
 735 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 736                                 acpi_enable_gpe(acpi_handle gpe_device,
 737                                                 u32 gpe_number))
 738
 739 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 740                                 acpi_disable_gpe(acpi_handle gpe_device,
 741                                                  u32 gpe_number))
 742
 743 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 744                                 acpi_clear_gpe(acpi_handle gpe_device,
 745                                                u32 gpe_number))
 746
 747 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 748                                 acpi_set_gpe(acpi_handle gpe_device,
 749                                              u32 gpe_number, u8 action))
 750
 751 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 752                                 acpi_finish_gpe(acpi_handle gpe_device,
 753                                                 u32 gpe_number))
 754
 755 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 756                                 acpi_mask_gpe(acpi_handle gpe_device,
 757                                               u32 gpe_number, u8 is_masked))
 758
 759 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 760                                 acpi_mark_gpe_for_wake(acpi_handle gpe_device,
 761                                                        u32 gpe_number))
 762
 763 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 764                                 acpi_setup_gpe_for_wake(acpi_handle
 765                                                         parent_device,
 766                                                         acpi_handle gpe_device,
 767                                                         u32 gpe_number))
 768 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 769                                  acpi_set_gpe_wake_mask(acpi_handle gpe_device,
 770                                                         u32 gpe_number,
 771                                                         u8 action))
 772 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 773                                  acpi_get_gpe_status(acpi_handle gpe_device,
 774                                                      u32 gpe_number,
 775                                                      acpi_event_status
 776                                                      *event_status))
 777 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
 778 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
 779 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))
 780
 781 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 782                                 acpi_get_gpe_device(u32 gpe_index,
 783                                                     acpi_handle *gpe_device))
 784
 785 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 786                                 acpi_install_gpe_block(acpi_handle gpe_device,
 787                                                        struct
 788                                                        acpi_generic_address
 789                                                        *gpe_block_address,
 790                                                        u32 register_count,
 791                                                        u32 interrupt_number))
 792 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 793                                  acpi_remove_gpe_block(acpi_handle gpe_device))
 794
 795 /*
 796  * Resource interfaces
 797  */
 798 typedef
 799 acpi_status (*acpi_walk_resource_callback) (struct acpi_resource * resource,
 800                                             void *context);
 801
 802 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 803                             acpi_get_vendor_resource(acpi_handle device,
 804                                                      char *name,
 805                                                      struct acpi_vendor_uuid
 806                                                      *uuid,
 807                                                      struct acpi_buffer
 808                                                      *ret_buffer))
 809 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 810                              acpi_get_current_resources(acpi_handle device,
 811                                                         struct acpi_buffer
 812                                                         *ret_buffer))
 813 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 814                              acpi_get_possible_resources(acpi_handle device,
 815                                                          struct acpi_buffer
 816                                                          *ret_buffer))
 817 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 818                              acpi_get_event_resources(acpi_handle device_handle,
 819                                                       struct acpi_buffer
 820                                                       *ret_buffer))
 821 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 822                              acpi_walk_resource_buffer(struct acpi_buffer
 823                                                        *buffer,
 824                                                        acpi_walk_resource_callback
 825                                                        user_function,
 826                                                        void *context))
 827 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 828                              acpi_walk_resources(acpi_handle device, char *name,
 829                                                  acpi_walk_resource_callback
 830                                                  user_function, void *context))
 831 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 832                              acpi_set_current_resources(acpi_handle device,
 833                                                         struct acpi_buffer
 834                                                         *in_buffer))
 835 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 836                              acpi_get_irq_routing_table(acpi_handle device,
 837                                                         struct acpi_buffer
 838                                                         *ret_buffer))
 839 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 840                              acpi_resource_to_address64(struct acpi_resource
 841                                                         *resource,
 842                                                         struct
 843                                                         acpi_resource_address64
 844                                                         *out))
 845 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 846                              acpi_buffer_to_resource(u8 *aml_buffer,
 847                                                      u16 aml_buffer_length,
 848                                                      struct acpi_resource
 849                                                      **resource_ptr))
 850
 851 /*
 852  * Hardware (ACPI device) interfaces
 853  */
 854 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_reset(void))
 855
 856 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 857                             acpi_read(u64 *value,
 858                                       struct acpi_generic_address *reg))
 859
 860 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 861                             acpi_write(u64 value,
 862                                        struct acpi_generic_address *reg))
 863
 864 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 865                                 acpi_read_bit_register(u32 register_id,
 866                                                        u32 *return_value))
 867
 868 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 869                                 acpi_write_bit_register(u32 register_id,
 870                                                         u32 value))
 871
 872 /*
 873  * Sleep/Wake interfaces
 874  */
 875 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 876                             acpi_get_sleep_type_data(u8 sleep_state,
 877                                                      u8 *slp_typ_a,
 878                                                      u8 *slp_typ_b))
 879
 880 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 881                             acpi_enter_sleep_state_prep(u8 sleep_state))
 882 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_enter_sleep_state(u8 sleep_state))
 883
 884 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enter_sleep_state_s4bios(void))
 885
 886 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 887                             acpi_leave_sleep_state_prep(u8 sleep_state))
 888 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_leave_sleep_state(u8 sleep_state))
 889
 890 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 891                                 acpi_set_firmware_waking_vector
 892                                 (acpi_physical_address physical_address,
 893                                  acpi_physical_address physical_address64))
 894 /*
 895  * ACPI Timer interfaces
 896  */
 897 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 898                                 acpi_get_timer_resolution(u32 *resolution))
 899 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
 900
 901 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 902                                 acpi_get_timer_duration(u32 start_ticks,
 903                                                         u32 end_ticks,
 904                                                         u32 *time_elapsed))
 905
 906 /*
 907  * Error/Warning output
 908  */
 909 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 910                                void ACPI_INTERNAL_VAR_XFACE
 911                                acpi_error(const char *module_name,
 912                                           u32 line_number,
 913                                           const char *format, ...))
 914 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
 915                                 void ACPI_INTERNAL_VAR_XFACE
 916                                 acpi_exception(const char *module_name,
 917                                                u32 line_number,
 918                                                acpi_status status,
 919                                                const char *format, ...))
 920 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 921                                 void ACPI_INTERNAL_VAR_XFACE
 922                                 acpi_warning(const char *module_name,
 923                                              u32 line_number,
 924                                              const char *format, ...))
 925 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(1)
 926                                 void ACPI_INTERNAL_VAR_XFACE
 927                                 acpi_info(const char *format, ...))
 928 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 929                                 void ACPI_INTERNAL_VAR_XFACE
 930                                 acpi_bios_error(const char *module_name,
 931                                                 u32 line_number,
 932                                                 const char *format, ...))
 933 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 934                                 void ACPI_INTERNAL_VAR_XFACE
 935                                 acpi_bios_warning(const char *module_name,
 936                                                   u32 line_number,
 937                                                   const char *format, ...))
 938
 939 /*
 940  * Debug output
 941  */
 942 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
 943                                void ACPI_INTERNAL_VAR_XFACE
 944                                acpi_debug_print(u32 requested_debug_level,
 945                                                 u32 line_number,
 946                                                 const char *function_name,
 947                                                 const char *module_name,
 948                                                 u32 component_id,
 949                                                 const char *format, ...))
 950 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
 951                                 void ACPI_INTERNAL_VAR_XFACE
 952                                 acpi_debug_print_raw(u32 requested_debug_level,
 953                                                      u32 line_number,
 954                                                      const char *function_name,
 955                                                      const char *module_name,
 956                                                      u32 component_id,
 957                                                      const char *format, ...))
 958
 959 ACPI_DBG_DEPENDENT_RETURN_VOID(void
 960                                acpi_trace_point(acpi_trace_event_type type,
 961                                                 u8 begin,
 962                                                 u8 *aml, char *pathname))
 963
 964 acpi_status acpi_initialize_debugger(void);
 965
 966 void acpi_terminate_debugger(void);
 967
 968 /*
 969  * Divergences
 970  */
 971 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 972                             acpi_get_data_full(acpi_handle object,
 973                                                acpi_object_handler handler,
 974                                                void **data,
 975                                                void (*callback)(void *)))
 976
 977 void acpi_run_debugger(char *batch_buffer);
 978
 979 void acpi_set_debugger_thread_id(acpi_thread_id thread_id);
 980
 981 #endif                          /* __ACXFACE_H__ */