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                 0x20170119
  50
  51 #include <acpi/acconfig.h>
  52 #include <acpi/actypes.h>
  53 #include <acpi/actbl.h>
  54 #include <acpi/acbuffer.h>
  55
  56 /*****************************************************************************
  57  *
  58  * Macros used for ACPICA globals and configuration
  59  *
  60  ****************************************************************************/
  61
  62 /*
  63  * Ensure that global variables are defined and initialized only once.
  64  *
  65  * The use of these macros allows for a single list of globals (here)
  66  * in order to simplify maintenance of the code.
  67  */
  68 #ifdef DEFINE_ACPI_GLOBALS
  69 #define ACPI_GLOBAL(type,name) \
  70         extern type name; \
  71         type name
  72
  73 #define ACPI_INIT_GLOBAL(type,name,value) \
  74         type name=value
  75
  76 #else
  77 #ifndef ACPI_GLOBAL
  78 #define ACPI_GLOBAL(type,name) \
  79         extern type name
  80 #endif
  81
  82 #ifndef ACPI_INIT_GLOBAL
  83 #define ACPI_INIT_GLOBAL(type,name,value) \
  84         extern type name
  85 #endif
  86 #endif
  87
  88 /*
  89  * These macros configure the various ACPICA interfaces. They are
  90  * useful for generating stub inline functions for features that are
  91  * configured out of the current kernel or ACPICA application.
  92  */
  93 #ifndef ACPI_EXTERNAL_RETURN_STATUS
  94 #define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
  95         prototype;
  96 #endif
  97
  98 #ifndef ACPI_EXTERNAL_RETURN_OK
  99 #define ACPI_EXTERNAL_RETURN_OK(prototype) \
 100         prototype;
 101 #endif
 102
 103 #ifndef ACPI_EXTERNAL_RETURN_VOID
 104 #define ACPI_EXTERNAL_RETURN_VOID(prototype) \
 105         prototype;
 106 #endif
 107
 108 #ifndef ACPI_EXTERNAL_RETURN_UINT32
 109 #define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
 110         prototype;
 111 #endif
 112
 113 #ifndef ACPI_EXTERNAL_RETURN_PTR
 114 #define ACPI_EXTERNAL_RETURN_PTR(prototype) \
 115         prototype;
 116 #endif
 117
 118 /*****************************************************************************
 119  *
 120  * Public globals and runtime configuration options
 121  *
 122  ****************************************************************************/
 123
 124 /*
 125  * Enable "slack mode" of the AML interpreter?  Default is FALSE, and the
 126  * interpreter strictly follows the ACPI specification. Setting to TRUE
 127  * allows the interpreter to ignore certain errors and/or bad AML constructs.
 128  *
 129  * Currently, these features are enabled by this flag:
 130  *
 131  * 1) Allow "implicit return" of last value in a control method
 132  * 2) Allow access beyond the end of an operation region
 133  * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
 134  * 4) Allow ANY object type to be a source operand for the Store() operator
 135  * 5) Allow unresolved references (invalid target name) in package objects
 136  * 6) Enable warning messages for behavior that is not ACPI spec compliant
 137  */
 138 ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_interpreter_slack, FALSE);
 139
 140 /*
 141  * Automatically serialize all methods that create named objects? Default
 142  * is TRUE, meaning that all non_serialized methods are scanned once at
 143  * table load time to determine those that create named objects. Methods
 144  * that create named objects are marked Serialized in order to prevent
 145  * possible run-time problems if they are entered by more than one thread.
 146  */
 147 ACPI_INIT_GLOBAL(u8, acpi_gbl_auto_serialize_methods, TRUE);
 148
 149 /*
 150  * Create the predefined _OSI method in the namespace? Default is TRUE
 151  * because ACPICA is fully compatible with other ACPI implementations.
 152  * Changing this will revert ACPICA (and machine ASL) to pre-OSI behavior.
 153  */
 154 ACPI_INIT_GLOBAL(u8, acpi_gbl_create_osi_method, TRUE);
 155
 156 /*
 157  * Optionally use default values for the ACPI register widths. Set this to
 158  * TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
 159  */
 160 ACPI_INIT_GLOBAL(u8, acpi_gbl_use_default_register_widths, TRUE);
 161
 162 /*
 163  * Whether or not to verify the table checksum before installation. Set
 164  * this to TRUE to verify the table checksum before install it to the table
 165  * manager. Note that enabling this option causes errors to happen in some
 166  * OSPMs during early initialization stages. Default behavior is to do such
 167  * verification.
 168  */
 169 ACPI_INIT_GLOBAL(u8, acpi_gbl_verify_table_checksum, TRUE);
 170
 171 /*
 172  * Optionally enable output from the AML Debug Object.
 173  */
 174 ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_aml_debug_object, FALSE);
 175
 176 /*
 177  * Optionally copy the entire DSDT to local memory (instead of simply
 178  * mapping it.) There are some BIOSs that corrupt or replace the original
 179  * DSDT, creating the need for this option. Default is FALSE, do not copy
 180  * the DSDT.
 181  */
 182 ACPI_INIT_GLOBAL(u8, acpi_gbl_copy_dsdt_locally, FALSE);
 183
 184 /*
 185  * Optionally ignore an XSDT if present and use the RSDT instead.
 186  * Although the ACPI specification requires that an XSDT be used instead
 187  * of the RSDT, the XSDT has been found to be corrupt or ill-formed on
 188  * some machines. Default behavior is to use the XSDT if present.
 189  */
 190 ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE);
 191
 192 /*
 193  * Optionally support group module level code.
 194  */
 195 ACPI_INIT_GLOBAL(u8, acpi_gbl_group_module_level_code, TRUE);
 196
 197 /*
 198  * Optionally support module level code by parsing the entire table as
 199  * a term_list. Default is FALSE, do not execute entire table until some
 200  * lock order issues are fixed.
 201  */
 202 ACPI_INIT_GLOBAL(u8, acpi_gbl_parse_table_as_term_list, FALSE);
 203
 204 /*
 205  * Optionally use 32-bit FADT addresses if and when there is a conflict
 206  * (address mismatch) between the 32-bit and 64-bit versions of the
 207  * address. Although ACPICA adheres to the ACPI specification which
 208  * requires the use of the corresponding 64-bit address if it is non-zero,
 209  * some machines have been found to have a corrupted non-zero 64-bit
 210  * address. Default is FALSE, do not favor the 32-bit addresses.
 211  */
 212 ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, FALSE);
 213
 214 /*
 215  * Optionally use 32-bit FACS table addresses.
 216  * It is reported that some platforms fail to resume from system suspending
 217  * if 64-bit FACS table address is selected:
 218  * https://bugzilla.kernel.org/show_bug.cgi?id=74021
 219  * Default is TRUE, favor the 32-bit addresses.
 220  */
 221 ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_facs_addresses, TRUE);
 222
 223 /*
 224  * Optionally truncate I/O addresses to 16 bits. Provides compatibility
 225  * with other ACPI implementations. NOTE: During ACPICA initialization,
 226  * this value is set to TRUE if any Windows OSI strings have been
 227  * requested by the BIOS.
 228  */
 229 ACPI_INIT_GLOBAL(u8, acpi_gbl_truncate_io_addresses, FALSE);
 230
 231 /*
 232  * Disable runtime checking and repair of values returned by control methods.
 233  * Use only if the repair is causing a problem on a particular machine.
 234  */
 235 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_auto_repair, FALSE);
 236
 237 /*
 238  * Optionally do not install any SSDTs from the RSDT/XSDT during initialization.
 239  * This can be useful for debugging ACPI problems on some machines.
 240  */
 241 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_ssdt_table_install, FALSE);
 242
 243 /*
 244  * Optionally enable runtime namespace override.
 245  */
 246 ACPI_INIT_GLOBAL(u8, acpi_gbl_runtime_namespace_override, TRUE);
 247
 248 /*
 249  * We keep track of the latest version of Windows that has been requested by
 250  * the BIOS. ACPI 5.0.
 251  */
 252 ACPI_INIT_GLOBAL(u8, acpi_gbl_osi_data, 0);
 253
 254 /*
 255  * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
 256  * that the ACPI hardware is no longer required. A flag in the FADT indicates
 257  * a reduced HW machine, and that flag is duplicated here for convenience.
 258  */
 259 ACPI_INIT_GLOBAL(u8, acpi_gbl_reduced_hardware, FALSE);
 260
 261 /*
 262  * Maximum number of While() loop iterations before forced method abort.
 263  * This mechanism is intended to prevent infinite loops during interpreter
 264  * execution within a host kernel.
 265  */
 266 ACPI_INIT_GLOBAL(u32, acpi_gbl_max_loop_iterations, ACPI_MAX_LOOP_COUNT);
 267
 268 /*
 269  * This mechanism is used to trace a specified AML method. The method is
 270  * traced each time it is executed.
 271  */
 272 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_flags, 0);
 273 ACPI_INIT_GLOBAL(const char *, acpi_gbl_trace_method_name, NULL);
 274 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_level, ACPI_TRACE_LEVEL_DEFAULT);
 275 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_layer, ACPI_TRACE_LAYER_DEFAULT);
 276
 277 /*
 278  * Runtime configuration of debug output control masks. We want the debug
 279  * switches statically initialized so they are already set when the debugger
 280  * is entered.
 281  */
 282 ACPI_INIT_GLOBAL(u32, acpi_dbg_level, ACPI_DEBUG_DEFAULT);
 283 ACPI_INIT_GLOBAL(u32, acpi_dbg_layer, 0);
 284
 285 /* Optionally enable timer output with Debug Object output */
 286
 287 ACPI_INIT_GLOBAL(u8, acpi_gbl_display_debug_timer, FALSE);
 288
 289 /*
 290  * Debugger command handshake globals. Host OSes need to access these
 291  * variables to implement their own command handshake mechanism.
 292  */
 293 #ifdef ACPI_DEBUGGER
 294 ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE);
 295 ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]);
 296 #endif
 297
 298 /*
 299  * Other miscellaneous globals
 300  */
 301 ACPI_GLOBAL(struct acpi_table_fadt, acpi_gbl_FADT);
 302 ACPI_GLOBAL(u32, acpi_current_gpe_count);
 303 ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running);
 304
 305 /*****************************************************************************
 306  *
 307  * ACPICA public interface configuration.
 308  *
 309  * Interfaces that are configured out of the ACPICA build are replaced
 310  * by inlined stubs by default.
 311  *
 312  ****************************************************************************/
 313
 314 /*
 315  * Hardware-reduced prototypes (default: Not hardware reduced).
 316  *
 317  * All ACPICA hardware-related interfaces that use these macros will be
 318  * configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
 319  * is set to TRUE.
 320  *
 321  * Note: This static build option for reduced hardware is intended to
 322  * reduce ACPICA code size if desired or necessary. However, even if this
 323  * option is not specified, the runtime behavior of ACPICA is dependent
 324  * on the actual FADT reduced hardware flag (HW_REDUCED_ACPI). If set,
 325  * the flag will enable similar behavior -- ACPICA will not attempt
 326  * to access any ACPI-relate hardware (SCI, GPEs, Fixed Events, etc.)
 327  */
 328 #if (!ACPI_REDUCED_HARDWARE)
 329 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
 330         ACPI_EXTERNAL_RETURN_STATUS(prototype)
 331
 332 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
 333         ACPI_EXTERNAL_RETURN_OK(prototype)
 334
 335 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
 336         ACPI_EXTERNAL_RETURN_VOID(prototype)
 337
 338 #else
 339 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
 340         static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
 341
 342 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
 343         static ACPI_INLINE prototype {return(AE_OK);}
 344
 345 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
 346         static ACPI_INLINE prototype {return;}
 347
 348 #endif                          /* !ACPI_REDUCED_HARDWARE */
 349
 350 /*
 351  * Error message prototypes (default: error messages enabled).
 352  *
 353  * All interfaces related to error and warning messages
 354  * will be configured out of the ACPICA build if the
 355  * ACPI_NO_ERROR_MESSAGE flag is defined.
 356  */
 357 #ifndef ACPI_NO_ERROR_MESSAGES
 358 #define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
 359         prototype;
 360
 361 #else
 362 #define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
 363         static ACPI_INLINE prototype {return;}
 364
 365 #endif                          /* ACPI_NO_ERROR_MESSAGES */
 366
 367 /*
 368  * Debugging output prototypes (default: no debug output).
 369  *
 370  * All interfaces related to debug output messages
 371  * will be configured out of the ACPICA build unless the
 372  * ACPI_DEBUG_OUTPUT flag is defined.
 373  */
 374 #ifdef ACPI_DEBUG_OUTPUT
 375 #define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
 376         prototype;
 377
 378 #else
 379 #define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
 380         static ACPI_INLINE prototype {return;}
 381
 382 #endif                          /* ACPI_DEBUG_OUTPUT */
 383
 384 /*
 385  * Application prototypes
 386  *
 387  * All interfaces used by application will be configured
 388  * out of the ACPICA build unless the ACPI_APPLICATION
 389  * flag is defined.
 390  */
 391 #ifdef ACPI_APPLICATION
 392 #define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
 393         prototype;
 394
 395 #else
 396 #define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
 397         static ACPI_INLINE prototype {return;}
 398
 399 #endif                          /* ACPI_APPLICATION */
 400
 401 /*
 402  * Debugger prototypes
 403  *
 404  * All interfaces used by debugger will be configured
 405  * out of the ACPICA build unless the ACPI_DEBUGGER
 406  * flag is defined.
 407  */
 408 #ifdef ACPI_DEBUGGER
 409 #define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
 410         ACPI_EXTERNAL_RETURN_OK(prototype)
 411
 412 #define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
 413         ACPI_EXTERNAL_RETURN_VOID(prototype)
 414
 415 #else
 416 #define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
 417         static ACPI_INLINE prototype {return(AE_OK);}
 418
 419 #define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
 420         static ACPI_INLINE prototype {return;}
 421
 422 #endif                          /* ACPI_DEBUGGER */
 423
 424 /*****************************************************************************
 425  *
 426  * ACPICA public interface prototypes
 427  *
 428  ****************************************************************************/
 429
 430 /*
 431  * Initialization
 432  */
 433 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 434                             acpi_initialize_tables(struct acpi_table_desc
 435                                                    *initial_storage,
 436                                                    u32 initial_table_count,
 437                                                    u8 allow_resize))
 438 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 439                              acpi_initialize_subsystem(void))
 440 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 441                              acpi_enable_subsystem(u32 flags))
 442 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 443                              acpi_initialize_objects(u32 flags))
 444 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 445                              acpi_terminate(void))
 446
 447 /*
 448  * Miscellaneous global interfaces
 449  */
 450 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
 451 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
 452 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_subsystem_status(void))
 453
 454 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 455                             acpi_get_system_info(struct acpi_buffer
 456                                                  *ret_buffer))
 457 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 458                              acpi_get_statistics(struct acpi_statistics *stats))
 459 ACPI_EXTERNAL_RETURN_PTR(const char
 460                           *acpi_format_exception(acpi_status exception))
 461 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_purge_cached_objects(void))
 462
 463 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 464                             acpi_install_interface(acpi_string interface_name))
 465
 466 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 467                             acpi_remove_interface(acpi_string interface_name))
 468 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_update_interfaces(u8 action))
 469
 470 ACPI_EXTERNAL_RETURN_UINT32(u32
 471                             acpi_check_address_range(acpi_adr_space_type
 472                                                      space_id,
 473                                                      acpi_physical_address
 474                                                      address, acpi_size length,
 475                                                      u8 warn))
 476 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 477                              acpi_decode_pld_buffer(u8 *in_buffer,
 478                                                     acpi_size length,
 479                                                     struct acpi_pld_info
 480                                                     **return_buffer))
 481
 482 /*
 483  * ACPI table load/unload interfaces
 484  */
 485 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 486                             acpi_install_table(acpi_physical_address address,
 487                                                u8 physical))
 488
 489 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 490                             acpi_load_table(struct acpi_table_header *table))
 491
 492 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 493                             acpi_unload_parent_table(acpi_handle object))
 494
 495 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 496                             acpi_load_tables(void))
 497
 498 /*
 499  * ACPI table manipulation interfaces
 500  */
 501 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 502                             acpi_reallocate_root_table(void))
 503
 504 ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
 505                             acpi_find_root_pointer(acpi_physical_address
 506                                                    *rsdp_address))
 507 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 508                              acpi_get_table_header(acpi_string signature,
 509                                                    u32 instance,
 510                                                    struct acpi_table_header
 511                                                    *out_table_header))
 512 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 513                              acpi_get_table(acpi_string signature, u32 instance,
 514                                             struct acpi_table_header
 515                                             **out_table))
 516 ACPI_EXTERNAL_RETURN_VOID(void acpi_put_table(struct acpi_table_header *table))
 517
 518 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 519                             acpi_get_table_by_index(u32 table_index,
 520                                                     struct acpi_table_header
 521                                                     **out_table))
 522 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 523                              acpi_install_table_handler(acpi_table_handler
 524                                                         handler, void *context))
 525 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 526                              acpi_remove_table_handler(acpi_table_handler
 527                                                        handler))
 528
 529 /*
 530  * Namespace and name interfaces
 531  */
 532 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 533                             acpi_walk_namespace(acpi_object_type type,
 534                                                 acpi_handle start_object,
 535                                                 u32 max_depth,
 536                                                 acpi_walk_callback
 537                                                 descending_callback,
 538                                                 acpi_walk_callback
 539                                                 ascending_callback,
 540                                                 void *context,
 541                                                 void **return_value))
 542 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 543                              acpi_get_devices(const char *HID,
 544                                               acpi_walk_callback user_function,
 545                                               void *context,
 546                                               void **return_value))
 547 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 548                              acpi_get_name(acpi_handle object, u32 name_type,
 549                                            struct acpi_buffer *ret_path_ptr))
 550 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 551                              acpi_get_handle(acpi_handle parent,
 552                                              acpi_string pathname,
 553                                              acpi_handle *ret_handle))
 554 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 555                              acpi_attach_data(acpi_handle object,
 556                                               acpi_object_handler handler,
 557                                               void *data))
 558 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 559                              acpi_detach_data(acpi_handle object,
 560                                               acpi_object_handler handler))
 561 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 562                              acpi_get_data(acpi_handle object,
 563                                            acpi_object_handler handler,
 564                                            void **data))
 565 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 566                              acpi_debug_trace(const char *name, u32 debug_level,
 567                                               u32 debug_layer, u32 flags))
 568
 569 /*
 570  * Object manipulation and enumeration
 571  */
 572 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 573                             acpi_evaluate_object(acpi_handle object,
 574                                                  acpi_string pathname,
 575                                                  struct acpi_object_list
 576                                                  *parameter_objects,
 577                                                  struct acpi_buffer
 578                                                  *return_object_buffer))
 579 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 580                              acpi_evaluate_object_typed(acpi_handle object,
 581                                                         acpi_string pathname,
 582                                                         struct acpi_object_list
 583                                                         *external_params,
 584                                                         struct acpi_buffer
 585                                                         *return_buffer,
 586                                                         acpi_object_type
 587                                                         return_type))
 588 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 589                              acpi_get_object_info(acpi_handle object,
 590                                                   struct acpi_device_info
 591                                                   **return_buffer))
 592 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_install_method(u8 *buffer))
 593
 594 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 595                             acpi_get_next_object(acpi_object_type type,
 596                                                  acpi_handle parent,
 597                                                  acpi_handle child,
 598                                                  acpi_handle *out_handle))
 599
 600 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 601                             acpi_get_type(acpi_handle object,
 602                                           acpi_object_type *out_type))
 603
 604 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 605                             acpi_get_parent(acpi_handle object,
 606                                             acpi_handle *out_handle))
 607
 608 /*
 609  * Handler interfaces
 610  */
 611 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 612                             acpi_install_initialization_handler
 613                             (acpi_init_handler handler, u32 function))
 614 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 615                                  acpi_install_sci_handler(acpi_sci_handler
 616                                                           address,
 617                                                           void *context))
 618 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 619                                  acpi_remove_sci_handler(acpi_sci_handler
 620                                                          address))
 621 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 622                                  acpi_install_global_event_handler
 623                                  (acpi_gbl_event_handler handler,
 624                                   void *context))
 625 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 626                                  acpi_install_fixed_event_handler(u32
 627                                                                   acpi_event,
 628                                                                   acpi_event_handler
 629                                                                   handler,
 630                                                                   void
 631                                                                   *context))
 632 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 633                                  acpi_remove_fixed_event_handler(u32 acpi_event,
 634                                                                  acpi_event_handler
 635                                                                  handler))
 636 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 637                                  acpi_install_gpe_handler(acpi_handle
 638                                                           gpe_device,
 639                                                           u32 gpe_number,
 640                                                           u32 type,
 641                                                           acpi_gpe_handler
 642                                                           address,
 643                                                           void *context))
 644 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 645                                  acpi_install_gpe_raw_handler(acpi_handle
 646                                                               gpe_device,
 647                                                               u32 gpe_number,
 648                                                               u32 type,
 649                                                               acpi_gpe_handler
 650                                                               address,
 651                                                               void *context))
 652 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 653                                  acpi_remove_gpe_handler(acpi_handle gpe_device,
 654                                                          u32 gpe_number,
 655                                                          acpi_gpe_handler
 656                                                          address))
 657 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 658                              acpi_install_notify_handler(acpi_handle device,
 659                                                          u32 handler_type,
 660                                                          acpi_notify_handler
 661                                                          handler,
 662                                                          void *context))
 663 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 664                              acpi_remove_notify_handler(acpi_handle device,
 665                                                         u32 handler_type,
 666                                                         acpi_notify_handler
 667                                                         handler))
 668 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 669                              acpi_install_address_space_handler(acpi_handle
 670                                                                 device,
 671                                                                 acpi_adr_space_type
 672                                                                 space_id,
 673                                                                 acpi_adr_space_handler
 674                                                                 handler,
 675                                                                 acpi_adr_space_setup
 676                                                                 setup,
 677                                                                 void *context))
 678 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 679                              acpi_remove_address_space_handler(acpi_handle
 680                                                                device,
 681                                                                acpi_adr_space_type
 682                                                                space_id,
 683                                                                acpi_adr_space_handler
 684                                                                handler))
 685 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 686                              acpi_install_exception_handler
 687                              (acpi_exception_handler handler))
 688 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 689                              acpi_install_interface_handler
 690                              (acpi_interface_handler handler))
 691
 692 /*
 693  * Global Lock interfaces
 694  */
 695 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 696                                 acpi_acquire_global_lock(u16 timeout,
 697                                                          u32 *handle))
 698
 699 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 700                                 acpi_release_global_lock(u32 handle))
 701
 702 /*
 703  * Interfaces to AML mutex objects
 704  */
 705 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 706                             acpi_acquire_mutex(acpi_handle handle,
 707                                                acpi_string pathname,
 708                                                u16 timeout))
 709
 710 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 711                             acpi_release_mutex(acpi_handle handle,
 712                                                acpi_string pathname))
 713
 714 /*
 715  * Fixed Event interfaces
 716  */
 717 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 718                                 acpi_enable_event(u32 event, u32 flags))
 719
 720 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 721                                 acpi_disable_event(u32 event, u32 flags))
 722 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
 723
 724 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 725                                 acpi_get_event_status(u32 event,
 726                                                       acpi_event_status
 727                                                       *event_status))
 728
 729 /*
 730  * General Purpose Event (GPE) Interfaces
 731  */
 732 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
 733
 734 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 735                                 acpi_enable_gpe(acpi_handle gpe_device,
 736                                                 u32 gpe_number))
 737
 738 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 739                                 acpi_disable_gpe(acpi_handle gpe_device,
 740                                                  u32 gpe_number))
 741
 742 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 743                                 acpi_clear_gpe(acpi_handle gpe_device,
 744                                                u32 gpe_number))
 745
 746 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 747                                 acpi_set_gpe(acpi_handle gpe_device,
 748                                              u32 gpe_number, u8 action))
 749
 750 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 751                                 acpi_finish_gpe(acpi_handle gpe_device,
 752                                                 u32 gpe_number))
 753
 754 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 755                                 acpi_mask_gpe(acpi_handle gpe_device,
 756                                               u32 gpe_number, u8 is_masked))
 757
 758 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 759                                 acpi_mark_gpe_for_wake(acpi_handle gpe_device,
 760                                                        u32 gpe_number))
 761
 762 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 763                                 acpi_setup_gpe_for_wake(acpi_handle
 764                                                         parent_device,
 765                                                         acpi_handle gpe_device,
 766                                                         u32 gpe_number))
 767 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 768                                  acpi_set_gpe_wake_mask(acpi_handle gpe_device,
 769                                                         u32 gpe_number,
 770                                                         u8 action))
 771 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 772                                  acpi_get_gpe_status(acpi_handle gpe_device,
 773                                                      u32 gpe_number,
 774                                                      acpi_event_status
 775                                                      *event_status))
 776 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
 777 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
 778 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))
 779
 780 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 781                                 acpi_get_gpe_device(u32 gpe_index,
 782                                                     acpi_handle *gpe_device))
 783
 784 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 785                                 acpi_install_gpe_block(acpi_handle gpe_device,
 786                                                        struct
 787                                                        acpi_generic_address
 788                                                        *gpe_block_address,
 789                                                        u32 register_count,
 790                                                        u32 interrupt_number))
 791 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 792                                  acpi_remove_gpe_block(acpi_handle gpe_device))
 793
 794 /*
 795  * Resource interfaces
 796  */
 797 typedef
 798 acpi_status (*acpi_walk_resource_callback) (struct acpi_resource * resource,
 799                                             void *context);
 800
 801 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 802                             acpi_get_vendor_resource(acpi_handle device,
 803                                                      char *name,
 804                                                      struct acpi_vendor_uuid
 805                                                      *uuid,
 806                                                      struct acpi_buffer
 807                                                      *ret_buffer))
 808 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 809                              acpi_get_current_resources(acpi_handle device,
 810                                                         struct acpi_buffer
 811                                                         *ret_buffer))
 812 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 813                              acpi_get_possible_resources(acpi_handle device,
 814                                                          struct acpi_buffer
 815                                                          *ret_buffer))
 816 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 817                              acpi_get_event_resources(acpi_handle device_handle,
 818                                                       struct acpi_buffer
 819                                                       *ret_buffer))
 820 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 821                              acpi_walk_resource_buffer(struct acpi_buffer
 822                                                        *buffer,
 823                                                        acpi_walk_resource_callback
 824                                                        user_function,
 825                                                        void *context))
 826 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 827                              acpi_walk_resources(acpi_handle device, char *name,
 828                                                  acpi_walk_resource_callback
 829                                                  user_function, void *context))
 830 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 831                              acpi_set_current_resources(acpi_handle device,
 832                                                         struct acpi_buffer
 833                                                         *in_buffer))
 834 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 835                              acpi_get_irq_routing_table(acpi_handle device,
 836                                                         struct acpi_buffer
 837                                                         *ret_buffer))
 838 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 839                              acpi_resource_to_address64(struct acpi_resource
 840                                                         *resource,
 841                                                         struct
 842                                                         acpi_resource_address64
 843                                                         *out))
 844 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 845                              acpi_buffer_to_resource(u8 *aml_buffer,
 846                                                      u16 aml_buffer_length,
 847                                                      struct acpi_resource
 848                                                      **resource_ptr))
 849
 850 /*
 851  * Hardware (ACPI device) interfaces
 852  */
 853 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_reset(void))
 854
 855 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 856                             acpi_read(u64 *value,
 857                                       struct acpi_generic_address *reg))
 858
 859 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 860                             acpi_write(u64 value,
 861                                        struct acpi_generic_address *reg))
 862
 863 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 864                                 acpi_read_bit_register(u32 register_id,
 865                                                        u32 *return_value))
 866
 867 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 868                                 acpi_write_bit_register(u32 register_id,
 869                                                         u32 value))
 870
 871 /*
 872  * Sleep/Wake interfaces
 873  */
 874 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 875                             acpi_get_sleep_type_data(u8 sleep_state,
 876                                                      u8 *slp_typ_a,
 877                                                      u8 *slp_typ_b))
 878
 879 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 880                             acpi_enter_sleep_state_prep(u8 sleep_state))
 881 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_enter_sleep_state(u8 sleep_state))
 882
 883 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enter_sleep_state_s4bios(void))
 884
 885 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 886                             acpi_leave_sleep_state_prep(u8 sleep_state))
 887 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_leave_sleep_state(u8 sleep_state))
 888
 889 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 890                                 acpi_set_firmware_waking_vector
 891                                 (acpi_physical_address physical_address,
 892                                  acpi_physical_address physical_address64))
 893 /*
 894  * ACPI Timer interfaces
 895  */
 896 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 897                                 acpi_get_timer_resolution(u32 *resolution))
 898 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
 899
 900 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 901                                 acpi_get_timer_duration(u32 start_ticks,
 902                                                         u32 end_ticks,
 903                                                         u32 *time_elapsed))
 904
 905 /*
 906  * Error/Warning output
 907  */
 908 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 909                                void ACPI_INTERNAL_VAR_XFACE
 910                                acpi_error(const char *module_name,
 911                                           u32 line_number,
 912                                           const char *format, ...))
 913 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
 914                                 void ACPI_INTERNAL_VAR_XFACE
 915                                 acpi_exception(const char *module_name,
 916                                                u32 line_number,
 917                                                acpi_status status,
 918                                                const char *format, ...))
 919 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 920                                 void ACPI_INTERNAL_VAR_XFACE
 921                                 acpi_warning(const char *module_name,
 922                                              u32 line_number,
 923                                              const char *format, ...))
 924 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(1)
 925                                 void ACPI_INTERNAL_VAR_XFACE
 926                                 acpi_info(const char *format, ...))
 927 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 928                                 void ACPI_INTERNAL_VAR_XFACE
 929                                 acpi_bios_error(const char *module_name,
 930                                                 u32 line_number,
 931                                                 const char *format, ...))
 932 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 933                                 void ACPI_INTERNAL_VAR_XFACE
 934                                 acpi_bios_warning(const char *module_name,
 935                                                   u32 line_number,
 936                                                   const char *format, ...))
 937
 938 /*
 939  * Debug output
 940  */
 941 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
 942                                void ACPI_INTERNAL_VAR_XFACE
 943                                acpi_debug_print(u32 requested_debug_level,
 944                                                 u32 line_number,
 945                                                 const char *function_name,
 946                                                 const char *module_name,
 947                                                 u32 component_id,
 948                                                 const char *format, ...))
 949 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
 950                                 void ACPI_INTERNAL_VAR_XFACE
 951                                 acpi_debug_print_raw(u32 requested_debug_level,
 952                                                      u32 line_number,
 953                                                      const char *function_name,
 954                                                      const char *module_name,
 955                                                      u32 component_id,
 956                                                      const char *format, ...))
 957
 958 ACPI_DBG_DEPENDENT_RETURN_VOID(void
 959                                acpi_trace_point(acpi_trace_event_type type,
 960                                                 u8 begin,
 961                                                 u8 *aml, char *pathname))
 962
 963 acpi_status acpi_initialize_debugger(void);
 964
 965 void acpi_terminate_debugger(void);
 966
 967 /*
 968  * Divergences
 969  */
 970 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 971                             acpi_get_data_full(acpi_handle object,
 972                                                acpi_object_handler handler,
 973                                                void **data,
 974                                                void (*callback)(void *)))
 975
 976 void acpi_run_debugger(char *batch_buffer);
 977
 978 void acpi_set_debugger_thread_id(acpi_thread_id thread_id);
 979
 980 #endif                          /* __ACXFACE_H__ */