kernel/include/acpi/acpixf.h

   1 /******************************************************************************
   2  *
   3  * Name: acpixf.h - External interfaces to the ACPI subsystem
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2015, 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                 0x20150410
  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 use 32-bit FADT addresses if and when there is a conflict
 194  * (address mismatch) between the 32-bit and 64-bit versions of the
 195  * address. Although ACPICA adheres to the ACPI specification which
 196  * requires the use of the corresponding 64-bit address if it is non-zero,
 197  * some machines have been found to have a corrupted non-zero 64-bit
 198  * address. Default is FALSE, do not favor the 32-bit addresses.
 199  */
 200 ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, FALSE);
 201
 202 /*
 203  * Optionally use 32-bit FACS table addresses.
 204  * It is reported that some platforms fail to resume from system suspending
 205  * if 64-bit FACS table address is selected:
 206  * https://bugzilla.kernel.org/show_bug.cgi?id=74021
 207  * Default is TRUE, favor the 32-bit addresses.
 208  */
 209 ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_facs_addresses, TRUE);
 210
 211 /*
 212  * Optionally truncate I/O addresses to 16 bits. Provides compatibility
 213  * with other ACPI implementations. NOTE: During ACPICA initialization,
 214  * this value is set to TRUE if any Windows OSI strings have been
 215  * requested by the BIOS.
 216  */
 217 ACPI_INIT_GLOBAL(u8, acpi_gbl_truncate_io_addresses, FALSE);
 218
 219 /*
 220  * Disable runtime checking and repair of values returned by control methods.
 221  * Use only if the repair is causing a problem on a particular machine.
 222  */
 223 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_auto_repair, FALSE);
 224
 225 /*
 226  * Optionally do not install any SSDTs from the RSDT/XSDT during initialization.
 227  * This can be useful for debugging ACPI problems on some machines.
 228  */
 229 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_ssdt_table_install, FALSE);
 230
 231 /*
 232  * We keep track of the latest version of Windows that has been requested by
 233  * the BIOS. ACPI 5.0.
 234  */
 235 ACPI_INIT_GLOBAL(u8, acpi_gbl_osi_data, 0);
 236
 237 /*
 238  * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
 239  * that the ACPI hardware is no longer required. A flag in the FADT indicates
 240  * a reduced HW machine, and that flag is duplicated here for convenience.
 241  */
 242 ACPI_INIT_GLOBAL(u8, acpi_gbl_reduced_hardware, FALSE);
 243
 244 /*
 245  * This mechanism is used to trace a specified AML method. The method is
 246  * traced each time it is executed.
 247  */
 248 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_flags, 0);
 249 ACPI_INIT_GLOBAL(acpi_name, acpi_gbl_trace_method_name, 0);
 250
 251 /*
 252  * Runtime configuration of debug output control masks. We want the debug
 253  * switches statically initialized so they are already set when the debugger
 254  * is entered.
 255  */
 256 ACPI_INIT_GLOBAL(u32, acpi_dbg_level, ACPI_DEBUG_DEFAULT);
 257 ACPI_INIT_GLOBAL(u32, acpi_dbg_layer, 0);
 258
 259 /*
 260  * Other miscellaneous globals
 261  */
 262 ACPI_GLOBAL(struct acpi_table_fadt, acpi_gbl_FADT);
 263 ACPI_GLOBAL(u32, acpi_current_gpe_count);
 264 ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running);
 265
 266 /*****************************************************************************
 267  *
 268  * ACPICA public interface configuration.
 269  *
 270  * Interfaces that are configured out of the ACPICA build are replaced
 271  * by inlined stubs by default.
 272  *
 273  ****************************************************************************/
 274
 275 /*
 276  * Hardware-reduced prototypes (default: Not hardware reduced).
 277  *
 278  * All ACPICA hardware-related interfaces that use these macros will be
 279  * configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
 280  * is set to TRUE.
 281  *
 282  * Note: This static build option for reduced hardware is intended to
 283  * reduce ACPICA code size if desired or necessary. However, even if this
 284  * option is not specified, the runtime behavior of ACPICA is dependent
 285  * on the actual FADT reduced hardware flag (HW_REDUCED_ACPI). If set,
 286  * the flag will enable similar behavior -- ACPICA will not attempt
 287  * to access any ACPI-relate hardware (SCI, GPEs, Fixed Events, etc.)
 288  */
 289 #if (!ACPI_REDUCED_HARDWARE)
 290 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
 291         ACPI_EXTERNAL_RETURN_STATUS(prototype)
 292
 293 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
 294         ACPI_EXTERNAL_RETURN_OK(prototype)
 295
 296 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
 297         ACPI_EXTERNAL_RETURN_VOID(prototype)
 298
 299 #else
 300 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
 301         static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
 302
 303 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
 304         static ACPI_INLINE prototype {return(AE_OK);}
 305
 306 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
 307         static ACPI_INLINE prototype {return;}
 308
 309 #endif                          /* !ACPI_REDUCED_HARDWARE */
 310
 311 /*
 312  * Error message prototypes (default: error messages enabled).
 313  *
 314  * All interfaces related to error and warning messages
 315  * will be configured out of the ACPICA build if the
 316  * ACPI_NO_ERROR_MESSAGE flag is defined.
 317  */
 318 #ifndef ACPI_NO_ERROR_MESSAGES
 319 #define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
 320         prototype;
 321
 322 #else
 323 #define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
 324         static ACPI_INLINE prototype {return;}
 325
 326 #endif                          /* ACPI_NO_ERROR_MESSAGES */
 327
 328 /*
 329  * Debugging output prototypes (default: no debug output).
 330  *
 331  * All interfaces related to debug output messages
 332  * will be configured out of the ACPICA build unless the
 333  * ACPI_DEBUG_OUTPUT flag is defined.
 334  */
 335 #ifdef ACPI_DEBUG_OUTPUT
 336 #define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
 337         prototype;
 338
 339 #else
 340 #define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
 341         static ACPI_INLINE prototype {return;}
 342
 343 #endif                          /* ACPI_DEBUG_OUTPUT */
 344
 345 /*
 346  * Application prototypes
 347  *
 348  * All interfaces used by application will be configured
 349  * out of the ACPICA build unless the ACPI_APPLICATION
 350  * flag is defined.
 351  */
 352 #ifdef ACPI_APPLICATION
 353 #define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
 354         prototype;
 355
 356 #else
 357 #define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
 358         static ACPI_INLINE prototype {return;}
 359
 360 #endif                          /* ACPI_APPLICATION */
 361
 362 /*****************************************************************************
 363  *
 364  * ACPICA public interface prototypes
 365  *
 366  ****************************************************************************/
 367
 368 /*
 369  * Initialization
 370  */
 371 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init
 372                             acpi_initialize_tables(struct acpi_table_desc
 373                                                    *initial_storage,
 374                                                    u32 initial_table_count,
 375                                                    u8 allow_resize))
 376 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_initialize_subsystem(void))
 377
 378 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_enable_subsystem(u32 flags))
 379
 380 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init
 381                             acpi_initialize_objects(u32 flags))
 382 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_terminate(void))
 383
 384 /*
 385  * Miscellaneous global interfaces
 386  */
 387 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
 388 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
 389 #ifdef ACPI_FUTURE_USAGE
 390 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_subsystem_status(void))
 391 #endif
 392
 393 #ifdef ACPI_FUTURE_USAGE
 394 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 395                             acpi_get_system_info(struct acpi_buffer
 396                                                  *ret_buffer))
 397 #endif
 398 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 399                              acpi_get_statistics(struct acpi_statistics *stats))
 400 ACPI_EXTERNAL_RETURN_PTR(const char
 401                           *acpi_format_exception(acpi_status exception))
 402 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_purge_cached_objects(void))
 403
 404 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 405                             acpi_install_interface(acpi_string interface_name))
 406
 407 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 408                             acpi_remove_interface(acpi_string interface_name))
 409 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_update_interfaces(u8 action))
 410
 411 ACPI_EXTERNAL_RETURN_UINT32(u32
 412                             acpi_check_address_range(acpi_adr_space_type
 413                                                      space_id,
 414                                                      acpi_physical_address
 415                                                      address, acpi_size length,
 416                                                      u8 warn))
 417 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 418                              acpi_decode_pld_buffer(u8 *in_buffer,
 419                                                     acpi_size length,
 420                                                     struct acpi_pld_info
 421                                                     **return_buffer))
 422
 423 /*
 424  * ACPI table load/unload interfaces
 425  */
 426 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init
 427                             acpi_install_table(acpi_physical_address address,
 428                                                u8 physical))
 429
 430 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 431                             acpi_load_table(struct acpi_table_header *table))
 432
 433 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 434                             acpi_unload_parent_table(acpi_handle object))
 435 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_load_tables(void))
 436
 437 /*
 438  * ACPI table manipulation interfaces
 439  */
 440 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_reallocate_root_table(void))
 441
 442 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init
 443                             acpi_find_root_pointer(acpi_physical_address *
 444                                                    rsdp_address))
 445 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 446                              acpi_get_table_header(acpi_string signature,
 447                                                    u32 instance,
 448                                                    struct acpi_table_header
 449                                                    *out_table_header))
 450 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 451                              acpi_get_table(acpi_string signature, u32 instance,
 452                                             struct acpi_table_header
 453                                             **out_table))
 454 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 455                              acpi_get_table_by_index(u32 table_index,
 456                                                      struct acpi_table_header
 457                                                      **out_table))
 458 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 459                              acpi_install_table_handler(acpi_table_handler
 460                                                         handler, void *context))
 461 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 462                              acpi_remove_table_handler(acpi_table_handler
 463                                                        handler))
 464
 465 /*
 466  * Namespace and name interfaces
 467  */
 468 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 469                             acpi_walk_namespace(acpi_object_type type,
 470                                                 acpi_handle start_object,
 471                                                 u32 max_depth,
 472                                                 acpi_walk_callback
 473                                                 descending_callback,
 474                                                 acpi_walk_callback
 475                                                 ascending_callback,
 476                                                 void *context,
 477                                                 void **return_value))
 478 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 479                              acpi_get_devices(const char *HID,
 480                                               acpi_walk_callback user_function,
 481                                               void *context,
 482                                               void **return_value))
 483 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 484                              acpi_get_name(acpi_handle object, u32 name_type,
 485                                            struct acpi_buffer *ret_path_ptr))
 486 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 487                              acpi_get_handle(acpi_handle parent,
 488                                              acpi_string pathname,
 489                                              acpi_handle * ret_handle))
 490 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 491                              acpi_attach_data(acpi_handle object,
 492                                               acpi_object_handler handler,
 493                                               void *data))
 494 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 495                              acpi_detach_data(acpi_handle object,
 496                                               acpi_object_handler handler))
 497 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 498                              acpi_get_data(acpi_handle object,
 499                                            acpi_object_handler handler,
 500                                            void **data))
 501 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 502                              acpi_debug_trace(char *name, u32 debug_level,
 503                                               u32 debug_layer, u32 flags))
 504
 505 /*
 506  * Object manipulation and enumeration
 507  */
 508 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 509                             acpi_evaluate_object(acpi_handle object,
 510                                                  acpi_string pathname,
 511                                                  struct acpi_object_list
 512                                                  *parameter_objects,
 513                                                  struct acpi_buffer
 514                                                  *return_object_buffer))
 515 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 516                              acpi_evaluate_object_typed(acpi_handle object,
 517                                                         acpi_string pathname,
 518                                                         struct acpi_object_list
 519                                                         *external_params,
 520                                                         struct acpi_buffer
 521                                                         *return_buffer,
 522                                                         acpi_object_type
 523                                                         return_type))
 524 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 525                              acpi_get_object_info(acpi_handle object,
 526                                                   struct acpi_device_info
 527                                                   **return_buffer))
 528 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_install_method(u8 *buffer))
 529
 530 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 531                             acpi_get_next_object(acpi_object_type type,
 532                                                  acpi_handle parent,
 533                                                  acpi_handle child,
 534                                                  acpi_handle * out_handle))
 535
 536 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 537                             acpi_get_type(acpi_handle object,
 538                                           acpi_object_type * out_type))
 539
 540 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 541                             acpi_get_parent(acpi_handle object,
 542                                             acpi_handle * out_handle))
 543
 544 /*
 545  * Handler interfaces
 546  */
 547 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 548                             acpi_install_initialization_handler
 549                             (acpi_init_handler handler, u32 function))
 550 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 551                                  acpi_install_sci_handler(acpi_sci_handler
 552                                                           address,
 553                                                           void *context))
 554 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 555                                  acpi_remove_sci_handler(acpi_sci_handler
 556                                                          address))
 557 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 558                                  acpi_install_global_event_handler
 559                                  (acpi_gbl_event_handler handler,
 560                                   void *context))
 561 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 562                                  acpi_install_fixed_event_handler(u32
 563                                                                   acpi_event,
 564                                                                   acpi_event_handler
 565                                                                   handler,
 566                                                                   void
 567                                                                   *context))
 568 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 569                                  acpi_remove_fixed_event_handler(u32 acpi_event,
 570                                                                  acpi_event_handler
 571                                                                  handler))
 572 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 573                                  acpi_install_gpe_handler(acpi_handle
 574                                                           gpe_device,
 575                                                           u32 gpe_number,
 576                                                           u32 type,
 577                                                           acpi_gpe_handler
 578                                                           address,
 579                                                           void *context))
 580 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 581                                  acpi_install_gpe_raw_handler(acpi_handle
 582                                                               gpe_device,
 583                                                               u32 gpe_number,
 584                                                               u32 type,
 585                                                               acpi_gpe_handler
 586                                                               address,
 587                                                               void *context))
 588 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 589                                  acpi_remove_gpe_handler(acpi_handle gpe_device,
 590                                                          u32 gpe_number,
 591                                                          acpi_gpe_handler
 592                                                          address))
 593 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 594                              acpi_install_notify_handler(acpi_handle device,
 595                                                          u32 handler_type,
 596                                                          acpi_notify_handler
 597                                                          handler,
 598                                                          void *context))
 599 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 600                              acpi_remove_notify_handler(acpi_handle device,
 601                                                         u32 handler_type,
 602                                                         acpi_notify_handler
 603                                                         handler))
 604 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 605                              acpi_install_address_space_handler(acpi_handle
 606                                                                 device,
 607                                                                 acpi_adr_space_type
 608                                                                 space_id,
 609                                                                 acpi_adr_space_handler
 610                                                                 handler,
 611                                                                 acpi_adr_space_setup
 612                                                                 setup,
 613                                                                 void *context))
 614 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 615                              acpi_remove_address_space_handler(acpi_handle
 616                                                                device,
 617                                                                acpi_adr_space_type
 618                                                                space_id,
 619                                                                acpi_adr_space_handler
 620                                                                handler))
 621 #ifdef ACPI_FUTURE_USAGE
 622 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 623                              acpi_install_exception_handler
 624                              (acpi_exception_handler handler))
 625 #endif
 626 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 627                              acpi_install_interface_handler
 628                              (acpi_interface_handler handler))
 629
 630 /*
 631  * Global Lock interfaces
 632  */
 633 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 634                                 acpi_acquire_global_lock(u16 timeout,
 635                                                          u32 *handle))
 636
 637 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 638                                 acpi_release_global_lock(u32 handle))
 639
 640 /*
 641  * Interfaces to AML mutex objects
 642  */
 643 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 644                             acpi_acquire_mutex(acpi_handle handle,
 645                                                acpi_string pathname,
 646                                                u16 timeout))
 647
 648 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 649                             acpi_release_mutex(acpi_handle handle,
 650                                                acpi_string pathname))
 651
 652 /*
 653  * Fixed Event interfaces
 654  */
 655 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 656                                 acpi_enable_event(u32 event, u32 flags))
 657
 658 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 659                                 acpi_disable_event(u32 event, u32 flags))
 660 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
 661
 662 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 663                                 acpi_get_event_status(u32 event,
 664                                                       acpi_event_status
 665                                                       *event_status))
 666
 667 /*
 668  * General Purpose Event (GPE) Interfaces
 669  */
 670 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
 671
 672 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 673                                 acpi_enable_gpe(acpi_handle gpe_device,
 674                                                 u32 gpe_number))
 675
 676 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 677                                 acpi_disable_gpe(acpi_handle gpe_device,
 678                                                  u32 gpe_number))
 679
 680 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 681                                 acpi_clear_gpe(acpi_handle gpe_device,
 682                                                u32 gpe_number))
 683
 684 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 685                                 acpi_set_gpe(acpi_handle gpe_device,
 686                                              u32 gpe_number, u8 action))
 687
 688 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 689                                 acpi_finish_gpe(acpi_handle gpe_device,
 690                                                 u32 gpe_number))
 691
 692 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 693                                 acpi_mark_gpe_for_wake(acpi_handle gpe_device,
 694                                                        u32 gpe_number))
 695
 696 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 697                                 acpi_setup_gpe_for_wake(acpi_handle
 698                                                         parent_device,
 699                                                         acpi_handle gpe_device,
 700                                                         u32 gpe_number))
 701 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 702                                  acpi_set_gpe_wake_mask(acpi_handle gpe_device,
 703                                                         u32 gpe_number,
 704                                                         u8 action))
 705 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 706                                  acpi_get_gpe_status(acpi_handle gpe_device,
 707                                                      u32 gpe_number,
 708                                                      acpi_event_status
 709                                                      *event_status))
 710 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
 711 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
 712 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))
 713
 714 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 715                                 acpi_get_gpe_device(u32 gpe_index,
 716                                                     acpi_handle * gpe_device))
 717
 718 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 719                                 acpi_install_gpe_block(acpi_handle gpe_device,
 720                                                        struct
 721                                                        acpi_generic_address
 722                                                        *gpe_block_address,
 723                                                        u32 register_count,
 724                                                        u32 interrupt_number))
 725 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 726                                  acpi_remove_gpe_block(acpi_handle gpe_device))
 727
 728 /*
 729  * Resource interfaces
 730  */
 731 typedef
 732 acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
 733                                            void *context);
 734
 735 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 736                             acpi_get_vendor_resource(acpi_handle device,
 737                                                      char *name,
 738                                                      struct acpi_vendor_uuid
 739                                                      *uuid,
 740                                                      struct acpi_buffer
 741                                                      *ret_buffer))
 742 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 743                              acpi_get_current_resources(acpi_handle device,
 744                                                         struct acpi_buffer
 745                                                         *ret_buffer))
 746 #ifdef ACPI_FUTURE_USAGE
 747 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 748                              acpi_get_possible_resources(acpi_handle device,
 749                                                          struct acpi_buffer
 750                                                          *ret_buffer))
 751 #endif
 752 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 753                              acpi_get_event_resources(acpi_handle device_handle,
 754                                                       struct acpi_buffer
 755                                                       *ret_buffer))
 756 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 757                              acpi_walk_resource_buffer(struct acpi_buffer
 758                                                        *buffer,
 759                                                        acpi_walk_resource_callback
 760                                                        user_function,
 761                                                        void *context))
 762 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 763                              acpi_walk_resources(acpi_handle device, char *name,
 764                                                  acpi_walk_resource_callback
 765                                                  user_function, void *context))
 766 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 767                              acpi_set_current_resources(acpi_handle device,
 768                                                         struct acpi_buffer
 769                                                         *in_buffer))
 770 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 771                              acpi_get_irq_routing_table(acpi_handle device,
 772                                                         struct acpi_buffer
 773                                                         *ret_buffer))
 774 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 775                              acpi_resource_to_address64(struct acpi_resource
 776                                                         *resource,
 777                                                         struct
 778                                                         acpi_resource_address64
 779                                                         *out))
 780 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 781                              acpi_buffer_to_resource(u8 *aml_buffer,
 782                                                      u16 aml_buffer_length,
 783                                                      struct acpi_resource
 784                                                      **resource_ptr))
 785
 786 /*
 787  * Hardware (ACPI device) interfaces
 788  */
 789 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_reset(void))
 790
 791 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 792                             acpi_read(u64 *value,
 793                                       struct acpi_generic_address *reg))
 794
 795 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 796                             acpi_write(u64 value,
 797                                        struct acpi_generic_address *reg))
 798
 799 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 800                                 acpi_read_bit_register(u32 register_id,
 801                                                        u32 *return_value))
 802
 803 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 804                                 acpi_write_bit_register(u32 register_id,
 805                                                         u32 value))
 806
 807 /*
 808  * Sleep/Wake interfaces
 809  */
 810 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 811                             acpi_get_sleep_type_data(u8 sleep_state,
 812                                                      u8 *slp_typ_a,
 813                                                      u8 *slp_typ_b))
 814
 815 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 816                             acpi_enter_sleep_state_prep(u8 sleep_state))
 817 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_enter_sleep_state(u8 sleep_state))
 818
 819 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enter_sleep_state_s4bios(void))
 820
 821 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 822                             acpi_leave_sleep_state_prep(u8 sleep_state))
 823 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_leave_sleep_state(u8 sleep_state))
 824
 825 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 826                                 acpi_set_firmware_waking_vector(u32
 827                                                                 physical_address))
 828 #if ACPI_MACHINE_WIDTH == 64
 829 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 830                                 acpi_set_firmware_waking_vector64(u64
 831                                                                   physical_address))
 832 #endif
 833 /*
 834  * ACPI Timer interfaces
 835  */
 836 #ifdef ACPI_FUTURE_USAGE
 837 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 838                                 acpi_get_timer_resolution(u32 *resolution))
 839 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
 840
 841 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 842                                 acpi_get_timer_duration(u32 start_ticks,
 843                                                         u32 end_ticks,
 844                                                         u32 *time_elapsed))
 845 #endif                          /* ACPI_FUTURE_USAGE */
 846
 847 /*
 848  * Error/Warning output
 849  */
 850 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 851                                void ACPI_INTERNAL_VAR_XFACE
 852                                acpi_error(const char *module_name,
 853                                           u32 line_number,
 854                                           const char *format, ...))
 855 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
 856                                 void ACPI_INTERNAL_VAR_XFACE
 857                                 acpi_exception(const char *module_name,
 858                                                u32 line_number,
 859                                                acpi_status status,
 860                                                const char *format, ...))
 861 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 862                                 void ACPI_INTERNAL_VAR_XFACE
 863                                 acpi_warning(const char *module_name,
 864                                              u32 line_number,
 865                                              const char *format, ...))
 866 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 867                                 void ACPI_INTERNAL_VAR_XFACE
 868                                 acpi_info(const char *module_name,
 869                                           u32 line_number,
 870                                           const char *format, ...))
 871 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 872                                 void ACPI_INTERNAL_VAR_XFACE
 873                                 acpi_bios_error(const char *module_name,
 874                                                 u32 line_number,
 875                                                 const char *format, ...))
 876 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 877                                 void ACPI_INTERNAL_VAR_XFACE
 878                                 acpi_bios_warning(const char *module_name,
 879                                                   u32 line_number,
 880                                                   const char *format, ...))
 881
 882 /*
 883  * Debug output
 884  */
 885 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
 886                                void ACPI_INTERNAL_VAR_XFACE
 887                                acpi_debug_print(u32 requested_debug_level,
 888                                                 u32 line_number,
 889                                                 const char *function_name,
 890                                                 const char *module_name,
 891                                                 u32 component_id,
 892                                                 const char *format, ...))
 893 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
 894                                 void ACPI_INTERNAL_VAR_XFACE
 895                                 acpi_debug_print_raw(u32 requested_debug_level,
 896                                                      u32 line_number,
 897                                                      const char *function_name,
 898                                                      const char *module_name,
 899                                                      u32 component_id,
 900                                                      const char *format, ...))
 901 ACPI_APP_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(1)
 902                                 void ACPI_INTERNAL_VAR_XFACE
 903                                 acpi_log_error(const char *format, ...))
 904
 905 /*
 906  * Divergences
 907  */
 908 ACPI_GLOBAL(u8, acpi_gbl_permanent_mmap);
 909
 910 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 911                             acpi_get_table_with_size(acpi_string signature,
 912                                                      u32 instance,
 913                                                      struct acpi_table_header
 914                                                      **out_table,
 915                                                      acpi_size *tbl_size))
 916
 917 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 918                             acpi_get_data_full(acpi_handle object,
 919                                                acpi_object_handler handler,
 920                                                void **data,
 921                                                void (*callback)(void *)))
 922
 923 #endif                          /* __ACXFACE_H__ */