include/acpi/acpixf.h

   1 /******************************************************************************
   2  *
   3  * Name: acpixf.h - External interfaces to the ACPI subsystem
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2014, 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                 0x20140926
  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 TRUE, favor the 32-bit addresses.
 199  */
 200 ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, TRUE);
 201
 202 /*
 203  * Optionally truncate I/O addresses to 16 bits. Provides compatibility
 204  * with other ACPI implementations. NOTE: During ACPICA initialization,
 205  * this value is set to TRUE if any Windows OSI strings have been
 206  * requested by the BIOS.
 207  */
 208 ACPI_INIT_GLOBAL(u8, acpi_gbl_truncate_io_addresses, FALSE);
 209
 210 /*
 211  * Disable runtime checking and repair of values returned by control methods.
 212  * Use only if the repair is causing a problem on a particular machine.
 213  */
 214 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_auto_repair, FALSE);
 215
 216 /*
 217  * Optionally do not install any SSDTs from the RSDT/XSDT during initialization.
 218  * This can be useful for debugging ACPI problems on some machines.
 219  */
 220 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_ssdt_table_install, FALSE);
 221
 222 /*
 223  * We keep track of the latest version of Windows that has been requested by
 224  * the BIOS. ACPI 5.0.
 225  */
 226 ACPI_INIT_GLOBAL(u8, acpi_gbl_osi_data, 0);
 227
 228 /*
 229  * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
 230  * that the ACPI hardware is no longer required. A flag in the FADT indicates
 231  * a reduced HW machine, and that flag is duplicated here for convenience.
 232  */
 233 ACPI_INIT_GLOBAL(u8, acpi_gbl_reduced_hardware, FALSE);
 234
 235 /*
 236  * This mechanism is used to trace a specified AML method. The method is
 237  * traced each time it is executed.
 238  */
 239 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_flags, 0);
 240 ACPI_INIT_GLOBAL(acpi_name, acpi_gbl_trace_method_name, 0);
 241
 242 /*
 243  * Runtime configuration of debug output control masks. We want the debug
 244  * switches statically initialized so they are already set when the debugger
 245  * is entered.
 246  */
 247 ACPI_INIT_GLOBAL(u32, acpi_dbg_level, ACPI_DEBUG_DEFAULT);
 248 ACPI_INIT_GLOBAL(u32, acpi_dbg_layer, 0);
 249
 250 /*
 251  * Other miscellaneous globals
 252  */
 253 ACPI_GLOBAL(struct acpi_table_fadt, acpi_gbl_FADT);
 254 ACPI_GLOBAL(u32, acpi_current_gpe_count);
 255 ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running);
 256
 257 /*****************************************************************************
 258  *
 259  * ACPICA public interface configuration.
 260  *
 261  * Interfaces that are configured out of the ACPICA build are replaced
 262  * by inlined stubs by default.
 263  *
 264  ****************************************************************************/
 265
 266 /*
 267  * Hardware-reduced prototypes (default: Not hardware reduced).
 268  *
 269  * All ACPICA hardware-related interfaces that use these macros will be
 270  * configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
 271  * is set to TRUE.
 272  *
 273  * Note: This static build option for reduced hardware is intended to
 274  * reduce ACPICA code size if desired or necessary. However, even if this
 275  * option is not specified, the runtime behavior of ACPICA is dependent
 276  * on the actual FADT reduced hardware flag (HW_REDUCED_ACPI). If set,
 277  * the flag will enable similar behavior -- ACPICA will not attempt
 278  * to access any ACPI-relate hardware (SCI, GPEs, Fixed Events, etc.)
 279  */
 280 #if (!ACPI_REDUCED_HARDWARE)
 281 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
 282         ACPI_EXTERNAL_RETURN_STATUS(prototype)
 283
 284 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
 285         ACPI_EXTERNAL_RETURN_OK(prototype)
 286
 287 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
 288         ACPI_EXTERNAL_RETURN_VOID(prototype)
 289
 290 #else
 291 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
 292         static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
 293
 294 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
 295         static ACPI_INLINE prototype {return(AE_OK);}
 296
 297 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
 298         static ACPI_INLINE prototype {return;}
 299
 300 #endif                          /* !ACPI_REDUCED_HARDWARE */
 301
 302 /*
 303  * Error message prototypes (default: error messages enabled).
 304  *
 305  * All interfaces related to error and warning messages
 306  * will be configured out of the ACPICA build if the
 307  * ACPI_NO_ERROR_MESSAGE flag is defined.
 308  */
 309 #ifndef ACPI_NO_ERROR_MESSAGES
 310 #define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
 311         prototype;
 312
 313 #else
 314 #define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
 315         static ACPI_INLINE prototype {return;}
 316
 317 #endif                          /* ACPI_NO_ERROR_MESSAGES */
 318
 319 /*
 320  * Debugging output prototypes (default: no debug output).
 321  *
 322  * All interfaces related to debug output messages
 323  * will be configured out of the ACPICA build unless the
 324  * ACPI_DEBUG_OUTPUT flag is defined.
 325  */
 326 #ifdef ACPI_DEBUG_OUTPUT
 327 #define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
 328         prototype;
 329
 330 #else
 331 #define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
 332         static ACPI_INLINE prototype {return;}
 333
 334 #endif                          /* ACPI_DEBUG_OUTPUT */
 335
 336 /*
 337  * Application prototypes
 338  *
 339  * All interfaces used by application will be configured
 340  * out of the ACPICA build unless the ACPI_APPLICATION
 341  * flag is defined.
 342  */
 343 #ifdef ACPI_APPLICATION
 344 #define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
 345         prototype;
 346
 347 #else
 348 #define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
 349         static ACPI_INLINE prototype {return;}
 350
 351 #endif                          /* ACPI_APPLICATION */
 352
 353 /*****************************************************************************
 354  *
 355  * ACPICA public interface prototypes
 356  *
 357  ****************************************************************************/
 358
 359 /*
 360  * Initialization
 361  */
 362 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init
 363                             acpi_initialize_tables(struct acpi_table_desc
 364                                                    *initial_storage,
 365                                                    u32 initial_table_count,
 366                                                    u8 allow_resize))
 367 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_initialize_subsystem(void))
 368
 369 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_enable_subsystem(u32 flags))
 370
 371 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init
 372                             acpi_initialize_objects(u32 flags))
 373 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_terminate(void))
 374
 375 /*
 376  * Miscellaneous global interfaces
 377  */
 378 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
 379 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
 380 #ifdef ACPI_FUTURE_USAGE
 381 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_subsystem_status(void))
 382 #endif
 383
 384 #ifdef ACPI_FUTURE_USAGE
 385 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 386                             acpi_get_system_info(struct acpi_buffer
 387                                                  *ret_buffer))
 388 #endif
 389 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 390                              acpi_get_statistics(struct acpi_statistics *stats))
 391 ACPI_EXTERNAL_RETURN_PTR(const char
 392                           *acpi_format_exception(acpi_status exception))
 393 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_purge_cached_objects(void))
 394
 395 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 396                             acpi_install_interface(acpi_string interface_name))
 397
 398 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 399                             acpi_remove_interface(acpi_string interface_name))
 400 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_update_interfaces(u8 action))
 401
 402 ACPI_EXTERNAL_RETURN_UINT32(u32
 403                             acpi_check_address_range(acpi_adr_space_type
 404                                                      space_id,
 405                                                      acpi_physical_address
 406                                                      address, acpi_size length,
 407                                                      u8 warn))
 408 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 409                              acpi_decode_pld_buffer(u8 *in_buffer,
 410                                                     acpi_size length,
 411                                                     struct acpi_pld_info
 412                                                     **return_buffer))
 413
 414 /*
 415  * ACPI table load/unload interfaces
 416  */
 417 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init
 418                             acpi_install_table(acpi_physical_address address,
 419                                                u8 physical))
 420
 421 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 422                             acpi_load_table(struct acpi_table_header *table))
 423
 424 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 425                             acpi_unload_parent_table(acpi_handle object))
 426 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_load_tables(void))
 427
 428 /*
 429  * ACPI table manipulation interfaces
 430  */
 431 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_reallocate_root_table(void))
 432
 433 ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init
 434                             acpi_find_root_pointer(acpi_size * rsdp_address))
 435
 436 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 437                             acpi_get_table_header(acpi_string signature,
 438                                                   u32 instance,
 439                                                   struct acpi_table_header
 440                                                   *out_table_header))
 441 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 442                              acpi_get_table(acpi_string signature, u32 instance,
 443                                             struct acpi_table_header
 444                                             **out_table))
 445 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 446                              acpi_get_table_by_index(u32 table_index,
 447                                                      struct acpi_table_header
 448                                                      **out_table))
 449 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 450                              acpi_install_table_handler(acpi_table_handler
 451                                                         handler, void *context))
 452 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 453                              acpi_remove_table_handler(acpi_table_handler
 454                                                        handler))
 455
 456 /*
 457  * Namespace and name interfaces
 458  */
 459 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 460                             acpi_walk_namespace(acpi_object_type type,
 461                                                 acpi_handle start_object,
 462                                                 u32 max_depth,
 463                                                 acpi_walk_callback
 464                                                 descending_callback,
 465                                                 acpi_walk_callback
 466                                                 ascending_callback,
 467                                                 void *context,
 468                                                 void **return_value))
 469 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 470                              acpi_get_devices(const char *HID,
 471                                               acpi_walk_callback user_function,
 472                                               void *context,
 473                                               void **return_value))
 474 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 475                              acpi_get_name(acpi_handle object, u32 name_type,
 476                                            struct acpi_buffer *ret_path_ptr))
 477 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 478                              acpi_get_handle(acpi_handle parent,
 479                                              acpi_string pathname,
 480                                              acpi_handle * ret_handle))
 481 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 482                              acpi_attach_data(acpi_handle object,
 483                                               acpi_object_handler handler,
 484                                               void *data))
 485 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 486                              acpi_detach_data(acpi_handle object,
 487                                               acpi_object_handler handler))
 488 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 489                              acpi_get_data(acpi_handle object,
 490                                            acpi_object_handler handler,
 491                                            void **data))
 492 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 493                              acpi_debug_trace(char *name, u32 debug_level,
 494                                               u32 debug_layer, u32 flags))
 495
 496 /*
 497  * Object manipulation and enumeration
 498  */
 499 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 500                             acpi_evaluate_object(acpi_handle object,
 501                                                  acpi_string pathname,
 502                                                  struct acpi_object_list
 503                                                  *parameter_objects,
 504                                                  struct acpi_buffer
 505                                                  *return_object_buffer))
 506 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 507                              acpi_evaluate_object_typed(acpi_handle object,
 508                                                         acpi_string pathname,
 509                                                         struct acpi_object_list
 510                                                         *external_params,
 511                                                         struct acpi_buffer
 512                                                         *return_buffer,
 513                                                         acpi_object_type
 514                                                         return_type))
 515 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 516                              acpi_get_object_info(acpi_handle object,
 517                                                   struct acpi_device_info
 518                                                   **return_buffer))
 519 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_install_method(u8 *buffer))
 520
 521 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 522                             acpi_get_next_object(acpi_object_type type,
 523                                                  acpi_handle parent,
 524                                                  acpi_handle child,
 525                                                  acpi_handle * out_handle))
 526
 527 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 528                             acpi_get_type(acpi_handle object,
 529                                           acpi_object_type * out_type))
 530
 531 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 532                             acpi_get_parent(acpi_handle object,
 533                                             acpi_handle * out_handle))
 534
 535 /*
 536  * Handler interfaces
 537  */
 538 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 539                             acpi_install_initialization_handler
 540                             (acpi_init_handler handler, u32 function))
 541 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 542                                  acpi_install_sci_handler(acpi_sci_handler
 543                                                           address,
 544                                                           void *context))
 545 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 546                                  acpi_remove_sci_handler(acpi_sci_handler
 547                                                          address))
 548 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 549                                  acpi_install_global_event_handler
 550                                  (acpi_gbl_event_handler handler,
 551                                   void *context))
 552 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 553                                  acpi_install_fixed_event_handler(u32
 554                                                                   acpi_event,
 555                                                                   acpi_event_handler
 556                                                                   handler,
 557                                                                   void
 558                                                                   *context))
 559 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 560                                  acpi_remove_fixed_event_handler(u32 acpi_event,
 561                                                                  acpi_event_handler
 562                                                                  handler))
 563 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 564                                  acpi_install_gpe_handler(acpi_handle
 565                                                           gpe_device,
 566                                                           u32 gpe_number,
 567                                                           u32 type,
 568                                                           acpi_gpe_handler
 569                                                           address,
 570                                                           void *context))
 571 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 572                                  acpi_remove_gpe_handler(acpi_handle gpe_device,
 573                                                          u32 gpe_number,
 574                                                          acpi_gpe_handler
 575                                                          address))
 576 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 577                              acpi_install_notify_handler(acpi_handle device,
 578                                                          u32 handler_type,
 579                                                          acpi_notify_handler
 580                                                          handler,
 581                                                          void *context))
 582 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 583                              acpi_remove_notify_handler(acpi_handle device,
 584                                                         u32 handler_type,
 585                                                         acpi_notify_handler
 586                                                         handler))
 587 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 588                              acpi_install_address_space_handler(acpi_handle
 589                                                                 device,
 590                                                                 acpi_adr_space_type
 591                                                                 space_id,
 592                                                                 acpi_adr_space_handler
 593                                                                 handler,
 594                                                                 acpi_adr_space_setup
 595                                                                 setup,
 596                                                                 void *context))
 597 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 598                              acpi_remove_address_space_handler(acpi_handle
 599                                                                device,
 600                                                                acpi_adr_space_type
 601                                                                space_id,
 602                                                                acpi_adr_space_handler
 603                                                                handler))
 604 #ifdef ACPI_FUTURE_USAGE
 605 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 606                              acpi_install_exception_handler
 607                              (acpi_exception_handler handler))
 608 #endif
 609 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 610                              acpi_install_interface_handler
 611                              (acpi_interface_handler handler))
 612
 613 /*
 614  * Global Lock interfaces
 615  */
 616 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 617                                 acpi_acquire_global_lock(u16 timeout,
 618                                                          u32 *handle))
 619
 620 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 621                                 acpi_release_global_lock(u32 handle))
 622
 623 /*
 624  * Interfaces to AML mutex objects
 625  */
 626 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 627                             acpi_acquire_mutex(acpi_handle handle,
 628                                                acpi_string pathname,
 629                                                u16 timeout))
 630
 631 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 632                             acpi_release_mutex(acpi_handle handle,
 633                                                acpi_string pathname))
 634
 635 /*
 636  * Fixed Event interfaces
 637  */
 638 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 639                                 acpi_enable_event(u32 event, u32 flags))
 640
 641 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 642                                 acpi_disable_event(u32 event, u32 flags))
 643 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
 644
 645 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 646                                 acpi_get_event_status(u32 event,
 647                                                       acpi_event_status
 648                                                       *event_status))
 649
 650 /*
 651  * General Purpose Event (GPE) Interfaces
 652  */
 653 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
 654
 655 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 656                                 acpi_enable_gpe(acpi_handle gpe_device,
 657                                                 u32 gpe_number))
 658
 659 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 660                                 acpi_disable_gpe(acpi_handle gpe_device,
 661                                                  u32 gpe_number))
 662
 663 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 664                                 acpi_clear_gpe(acpi_handle gpe_device,
 665                                                u32 gpe_number))
 666
 667 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 668                                 acpi_set_gpe(acpi_handle gpe_device,
 669                                              u32 gpe_number, u8 action))
 670
 671 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 672                                 acpi_finish_gpe(acpi_handle gpe_device,
 673                                                 u32 gpe_number))
 674
 675 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 676                                 acpi_mark_gpe_for_wake(acpi_handle gpe_device,
 677                                                        u32 gpe_number))
 678
 679 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 680                                 acpi_setup_gpe_for_wake(acpi_handle
 681                                                         parent_device,
 682                                                         acpi_handle gpe_device,
 683                                                         u32 gpe_number))
 684 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 685                                  acpi_set_gpe_wake_mask(acpi_handle gpe_device,
 686                                                         u32 gpe_number,
 687                                                         u8 action))
 688 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 689                                  acpi_get_gpe_status(acpi_handle gpe_device,
 690                                                      u32 gpe_number,
 691                                                      acpi_event_status
 692                                                      *event_status))
 693 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
 694 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
 695 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))
 696
 697 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 698                                 acpi_get_gpe_device(u32 gpe_index,
 699                                                     acpi_handle * gpe_device))
 700
 701 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 702                                 acpi_install_gpe_block(acpi_handle gpe_device,
 703                                                        struct
 704                                                        acpi_generic_address
 705                                                        *gpe_block_address,
 706                                                        u32 register_count,
 707                                                        u32 interrupt_number))
 708 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 709                                  acpi_remove_gpe_block(acpi_handle gpe_device))
 710
 711 /*
 712  * Resource interfaces
 713  */
 714 typedef
 715 acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
 716                                            void *context);
 717
 718 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 719                             acpi_get_vendor_resource(acpi_handle device,
 720                                                      char *name,
 721                                                      struct acpi_vendor_uuid
 722                                                      *uuid,
 723                                                      struct acpi_buffer
 724                                                      *ret_buffer))
 725 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 726                              acpi_get_current_resources(acpi_handle device,
 727                                                         struct acpi_buffer
 728                                                         *ret_buffer))
 729 #ifdef ACPI_FUTURE_USAGE
 730 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 731                              acpi_get_possible_resources(acpi_handle device,
 732                                                          struct acpi_buffer
 733                                                          *ret_buffer))
 734 #endif
 735 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 736                              acpi_get_event_resources(acpi_handle device_handle,
 737                                                       struct acpi_buffer
 738                                                       *ret_buffer))
 739 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 740                              acpi_walk_resource_buffer(struct acpi_buffer
 741                                                        *buffer,
 742                                                        acpi_walk_resource_callback
 743                                                        user_function,
 744                                                        void *context))
 745 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 746                              acpi_walk_resources(acpi_handle device, char *name,
 747                                                  acpi_walk_resource_callback
 748                                                  user_function, void *context))
 749 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 750                              acpi_set_current_resources(acpi_handle device,
 751                                                         struct acpi_buffer
 752                                                         *in_buffer))
 753 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 754                              acpi_get_irq_routing_table(acpi_handle device,
 755                                                         struct acpi_buffer
 756                                                         *ret_buffer))
 757 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 758                              acpi_resource_to_address64(struct acpi_resource
 759                                                         *resource,
 760                                                         struct
 761                                                         acpi_resource_address64
 762                                                         *out))
 763 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 764                              acpi_buffer_to_resource(u8 *aml_buffer,
 765                                                      u16 aml_buffer_length,
 766                                                      struct acpi_resource
 767                                                      **resource_ptr))
 768
 769 /*
 770  * Hardware (ACPI device) interfaces
 771  */
 772 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_reset(void))
 773
 774 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 775                             acpi_read(u64 *value,
 776                                       struct acpi_generic_address *reg))
 777
 778 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 779                             acpi_write(u64 value,
 780                                        struct acpi_generic_address *reg))
 781
 782 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 783                                 acpi_read_bit_register(u32 register_id,
 784                                                        u32 *return_value))
 785
 786 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 787                                 acpi_write_bit_register(u32 register_id,
 788                                                         u32 value))
 789
 790 /*
 791  * Sleep/Wake interfaces
 792  */
 793 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 794                             acpi_get_sleep_type_data(u8 sleep_state,
 795                                                      u8 *slp_typ_a,
 796                                                      u8 *slp_typ_b))
 797
 798 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 799                             acpi_enter_sleep_state_prep(u8 sleep_state))
 800 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_enter_sleep_state(u8 sleep_state))
 801
 802 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enter_sleep_state_s4bios(void))
 803
 804 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 805                             acpi_leave_sleep_state_prep(u8 sleep_state))
 806 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_leave_sleep_state(u8 sleep_state))
 807
 808 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 809                                 acpi_set_firmware_waking_vector(u32
 810                                                                 physical_address))
 811 #if ACPI_MACHINE_WIDTH == 64
 812 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 813                                 acpi_set_firmware_waking_vector64(u64
 814                                                                   physical_address))
 815 #endif
 816 /*
 817  * ACPI Timer interfaces
 818  */
 819 #ifdef ACPI_FUTURE_USAGE
 820 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 821                                 acpi_get_timer_resolution(u32 *resolution))
 822 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
 823
 824 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 825                                 acpi_get_timer_duration(u32 start_ticks,
 826                                                         u32 end_ticks,
 827                                                         u32 *time_elapsed))
 828 #endif                          /* ACPI_FUTURE_USAGE */
 829
 830 /*
 831  * Error/Warning output
 832  */
 833 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 834                                void ACPI_INTERNAL_VAR_XFACE
 835                                acpi_error(const char *module_name,
 836                                           u32 line_number,
 837                                           const char *format, ...))
 838 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
 839                                 void ACPI_INTERNAL_VAR_XFACE
 840                                 acpi_exception(const char *module_name,
 841                                                u32 line_number,
 842                                                acpi_status status,
 843                                                const char *format, ...))
 844 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 845                                 void ACPI_INTERNAL_VAR_XFACE
 846                                 acpi_warning(const char *module_name,
 847                                              u32 line_number,
 848                                              const char *format, ...))
 849 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 850                                 void ACPI_INTERNAL_VAR_XFACE
 851                                 acpi_info(const char *module_name,
 852                                           u32 line_number,
 853                                           const char *format, ...))
 854 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 855                                 void ACPI_INTERNAL_VAR_XFACE
 856                                 acpi_bios_error(const char *module_name,
 857                                                 u32 line_number,
 858                                                 const char *format, ...))
 859 ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
 860                                 void ACPI_INTERNAL_VAR_XFACE
 861                                 acpi_bios_warning(const char *module_name,
 862                                                   u32 line_number,
 863                                                   const char *format, ...))
 864
 865 /*
 866  * Debug output
 867  */
 868 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
 869                                void ACPI_INTERNAL_VAR_XFACE
 870                                acpi_debug_print(u32 requested_debug_level,
 871                                                 u32 line_number,
 872                                                 const char *function_name,
 873                                                 const char *module_name,
 874                                                 u32 component_id,
 875                                                 const char *format, ...))
 876 ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
 877                                 void ACPI_INTERNAL_VAR_XFACE
 878                                 acpi_debug_print_raw(u32 requested_debug_level,
 879                                                      u32 line_number,
 880                                                      const char *function_name,
 881                                                      const char *module_name,
 882                                                      u32 component_id,
 883                                                      const char *format, ...))
 884 ACPI_APP_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(1)
 885                                 void ACPI_INTERNAL_VAR_XFACE
 886                                 acpi_log_error(const char *format, ...))
 887
 888 /*
 889  * Divergences
 890  */
 891 ACPI_GLOBAL(u8, acpi_gbl_permanent_mmap);
 892
 893 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 894                             acpi_get_id(acpi_handle object,
 895                                         acpi_owner_id * out_type))
 896
 897 ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_unload_table_id(acpi_owner_id id))
 898
 899 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 900                             acpi_get_table_with_size(acpi_string signature,
 901                                                      u32 instance,
 902                                                      struct acpi_table_header
 903                                                      **out_table,
 904                                                      acpi_size *tbl_size))
 905
 906 ACPI_EXTERNAL_RETURN_STATUS(acpi_status
 907                             acpi_get_data_full(acpi_handle object,
 908                                                acpi_object_handler handler,
 909                                                void **data,
 910                                                void (*callback)(void *)))
 911
 912 #endif                          /* __ACXFACE_H__ */