diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
new file mode 100644
index 0000000..3aaaa86
--- /dev/null
+++ b/include/acpi/acpixf.h
@@ -0,0 +1,934 @@
+/******************************************************************************
+ *
+ * Name: acpixf.h - External interfaces to the ACPI subsystem
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2015, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACXFACE_H__
+#define __ACXFACE_H__
+
+/* Current ACPICA subsystem version in YYYYMMDD format */
+
+#define ACPI_CA_VERSION                 0x20150930
+
+#include <acpi/acconfig.h>
+#include <acpi/actypes.h>
+#include <acpi/actbl.h>
+#include <acpi/acbuffer.h>
+
+/*****************************************************************************
+ *
+ * Macros used for ACPICA globals and configuration
+ *
+ ****************************************************************************/
+
+/*
+ * Ensure that global variables are defined and initialized only once.
+ *
+ * The use of these macros allows for a single list of globals (here)
+ * in order to simplify maintenance of the code.
+ */
+#ifdef DEFINE_ACPI_GLOBALS
+#define ACPI_GLOBAL(type,name) \
+	extern type name; \
+	type name
+
+#define ACPI_INIT_GLOBAL(type,name,value) \
+	type name=value
+
+#else
+#ifndef ACPI_GLOBAL
+#define ACPI_GLOBAL(type,name) \
+	extern type name
+#endif
+
+#ifndef ACPI_INIT_GLOBAL
+#define ACPI_INIT_GLOBAL(type,name,value) \
+	extern type name
+#endif
+#endif
+
+/*
+ * These macros configure the various ACPICA interfaces. They are
+ * useful for generating stub inline functions for features that are
+ * configured out of the current kernel or ACPICA application.
+ */
+#ifndef ACPI_EXTERNAL_RETURN_STATUS
+#define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
+	prototype;
+#endif
+
+#ifndef ACPI_EXTERNAL_RETURN_OK
+#define ACPI_EXTERNAL_RETURN_OK(prototype) \
+	prototype;
+#endif
+
+#ifndef ACPI_EXTERNAL_RETURN_VOID
+#define ACPI_EXTERNAL_RETURN_VOID(prototype) \
+	prototype;
+#endif
+
+#ifndef ACPI_EXTERNAL_RETURN_UINT32
+#define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
+	prototype;
+#endif
+
+#ifndef ACPI_EXTERNAL_RETURN_PTR
+#define ACPI_EXTERNAL_RETURN_PTR(prototype) \
+	prototype;
+#endif
+
+/*****************************************************************************
+ *
+ * Public globals and runtime configuration options
+ *
+ ****************************************************************************/
+
+/*
+ * Enable "slack mode" of the AML interpreter?  Default is FALSE, and the
+ * interpreter strictly follows the ACPI specification. Setting to TRUE
+ * allows the interpreter to ignore certain errors and/or bad AML constructs.
+ *
+ * Currently, these features are enabled by this flag:
+ *
+ * 1) Allow "implicit return" of last value in a control method
+ * 2) Allow access beyond the end of an operation region
+ * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
+ * 4) Allow ANY object type to be a source operand for the Store() operator
+ * 5) Allow unresolved references (invalid target name) in package objects
+ * 6) Enable warning messages for behavior that is not ACPI spec compliant
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_interpreter_slack, FALSE);
+
+/*
+ * Automatically serialize all methods that create named objects? Default
+ * is TRUE, meaning that all non_serialized methods are scanned once at
+ * table load time to determine those that create named objects. Methods
+ * that create named objects are marked Serialized in order to prevent
+ * possible run-time problems if they are entered by more than one thread.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_auto_serialize_methods, TRUE);
+
+/*
+ * Create the predefined _OSI method in the namespace? Default is TRUE
+ * because ACPICA is fully compatible with other ACPI implementations.
+ * Changing this will revert ACPICA (and machine ASL) to pre-OSI behavior.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_create_osi_method, TRUE);
+
+/*
+ * Optionally use default values for the ACPI register widths. Set this to
+ * TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_use_default_register_widths, TRUE);
+
+/*
+ * Whether or not to verify the table checksum before installation. Set
+ * this to TRUE to verify the table checksum before install it to the table
+ * manager. Note that enabling this option causes errors to happen in some
+ * OSPMs during early initialization stages. Default behavior is to do such
+ * verification.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_verify_table_checksum, TRUE);
+
+/*
+ * Optionally enable output from the AML Debug Object.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_aml_debug_object, FALSE);
+
+/*
+ * Optionally copy the entire DSDT to local memory (instead of simply
+ * mapping it.) There are some BIOSs that corrupt or replace the original
+ * DSDT, creating the need for this option. Default is FALSE, do not copy
+ * the DSDT.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_copy_dsdt_locally, FALSE);
+
+/*
+ * Optionally ignore an XSDT if present and use the RSDT instead.
+ * Although the ACPI specification requires that an XSDT be used instead
+ * of the RSDT, the XSDT has been found to be corrupt or ill-formed on
+ * some machines. Default behavior is to use the XSDT if present.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE);
+
+/*
+ * Optionally use 32-bit FADT addresses if and when there is a conflict
+ * (address mismatch) between the 32-bit and 64-bit versions of the
+ * address. Although ACPICA adheres to the ACPI specification which
+ * requires the use of the corresponding 64-bit address if it is non-zero,
+ * some machines have been found to have a corrupted non-zero 64-bit
+ * address. Default is FALSE, do not favor the 32-bit addresses.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, FALSE);
+
+/*
+ * Optionally use 32-bit FACS table addresses.
+ * It is reported that some platforms fail to resume from system suspending
+ * if 64-bit FACS table address is selected:
+ * https://bugzilla.kernel.org/show_bug.cgi?id=74021
+ * Default is TRUE, favor the 32-bit addresses.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_facs_addresses, TRUE);
+
+/*
+ * Optionally truncate I/O addresses to 16 bits. Provides compatibility
+ * with other ACPI implementations. NOTE: During ACPICA initialization,
+ * this value is set to TRUE if any Windows OSI strings have been
+ * requested by the BIOS.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_truncate_io_addresses, FALSE);
+
+/*
+ * Disable runtime checking and repair of values returned by control methods.
+ * Use only if the repair is causing a problem on a particular machine.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_auto_repair, FALSE);
+
+/*
+ * Optionally do not install any SSDTs from the RSDT/XSDT during initialization.
+ * This can be useful for debugging ACPI problems on some machines.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_ssdt_table_install, FALSE);
+
+/*
+ * Optionally enable runtime namespace override.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_runtime_namespace_override, TRUE);
+
+/*
+ * We keep track of the latest version of Windows that has been requested by
+ * the BIOS. ACPI 5.0.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_osi_data, 0);
+
+/*
+ * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
+ * that the ACPI hardware is no longer required. A flag in the FADT indicates
+ * a reduced HW machine, and that flag is duplicated here for convenience.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_reduced_hardware, FALSE);
+
+/*
+ * This mechanism is used to trace a specified AML method. The method is
+ * traced each time it is executed.
+ */
+ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_flags, 0);
+ACPI_INIT_GLOBAL(const char *, acpi_gbl_trace_method_name, NULL);
+ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_level, ACPI_TRACE_LEVEL_DEFAULT);
+ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_layer, ACPI_TRACE_LAYER_DEFAULT);
+
+/*
+ * Runtime configuration of debug output control masks. We want the debug
+ * switches statically initialized so they are already set when the debugger
+ * is entered.
+ */
+ACPI_INIT_GLOBAL(u32, acpi_dbg_level, ACPI_DEBUG_DEFAULT);
+ACPI_INIT_GLOBAL(u32, acpi_dbg_layer, 0);
+
+/*
+ * Other miscellaneous globals
+ */
+ACPI_GLOBAL(struct acpi_table_fadt, acpi_gbl_FADT);
+ACPI_GLOBAL(u32, acpi_current_gpe_count);
+ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running);
+
+/*****************************************************************************
+ *
+ * ACPICA public interface configuration.
+ *
+ * Interfaces that are configured out of the ACPICA build are replaced
+ * by inlined stubs by default.
+ *
+ ****************************************************************************/
+
+/*
+ * Hardware-reduced prototypes (default: Not hardware reduced).
+ *
+ * All ACPICA hardware-related interfaces that use these macros will be
+ * configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
+ * is set to TRUE.
+ *
+ * Note: This static build option for reduced hardware is intended to
+ * reduce ACPICA code size if desired or necessary. However, even if this
+ * option is not specified, the runtime behavior of ACPICA is dependent
+ * on the actual FADT reduced hardware flag (HW_REDUCED_ACPI). If set,
+ * the flag will enable similar behavior -- ACPICA will not attempt
+ * to access any ACPI-relate hardware (SCI, GPEs, Fixed Events, etc.)
+ */
+#if (!ACPI_REDUCED_HARDWARE)
+#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
+	ACPI_EXTERNAL_RETURN_STATUS(prototype)
+
+#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
+	ACPI_EXTERNAL_RETURN_OK(prototype)
+
+#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
+	ACPI_EXTERNAL_RETURN_VOID(prototype)
+
+#else
+#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
+	static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
+
+#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
+	static ACPI_INLINE prototype {return(AE_OK);}
+
+#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
+	static ACPI_INLINE prototype {return;}
+
+#endif				/* !ACPI_REDUCED_HARDWARE */
+
+/*
+ * Error message prototypes (default: error messages enabled).
+ *
+ * All interfaces related to error and warning messages
+ * will be configured out of the ACPICA build if the
+ * ACPI_NO_ERROR_MESSAGE flag is defined.
+ */
+#ifndef ACPI_NO_ERROR_MESSAGES
+#define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
+	prototype;
+
+#else
+#define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
+	static ACPI_INLINE prototype {return;}
+
+#endif				/* ACPI_NO_ERROR_MESSAGES */
+
+/*
+ * Debugging output prototypes (default: no debug output).
+ *
+ * All interfaces related to debug output messages
+ * will be configured out of the ACPICA build unless the
+ * ACPI_DEBUG_OUTPUT flag is defined.
+ */
+#ifdef ACPI_DEBUG_OUTPUT
+#define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
+	prototype;
+
+#else
+#define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
+	static ACPI_INLINE prototype {return;}
+
+#endif				/* ACPI_DEBUG_OUTPUT */
+
+/*
+ * Application prototypes
+ *
+ * All interfaces used by application will be configured
+ * out of the ACPICA build unless the ACPI_APPLICATION
+ * flag is defined.
+ */
+#ifdef ACPI_APPLICATION
+#define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
+	prototype;
+
+#else
+#define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
+	static ACPI_INLINE prototype {return;}
+
+#endif				/* ACPI_APPLICATION */
+
+/*****************************************************************************
+ *
+ * ACPICA public interface prototypes
+ *
+ ****************************************************************************/
+
+/*
+ * Initialization
+ */
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init
+			    acpi_initialize_tables(struct acpi_table_desc
+						   *initial_storage,
+						   u32 initial_table_count,
+						   u8 allow_resize))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_initialize_subsystem(void))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_enable_subsystem(u32 flags))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init
+			    acpi_initialize_objects(u32 flags))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_terminate(void))
+
+/*
+ * Miscellaneous global interfaces
+ */
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_subsystem_status(void))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_get_system_info(struct acpi_buffer
+						 *ret_buffer))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_statistics(struct acpi_statistics *stats))
+ACPI_EXTERNAL_RETURN_PTR(const char
+			  *acpi_format_exception(acpi_status exception))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_purge_cached_objects(void))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_install_interface(acpi_string interface_name))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_remove_interface(acpi_string interface_name))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_update_interfaces(u8 action))
+
+ACPI_EXTERNAL_RETURN_UINT32(u32
+			    acpi_check_address_range(acpi_adr_space_type
+						     space_id,
+						     acpi_physical_address
+						     address, acpi_size length,
+						     u8 warn))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_decode_pld_buffer(u8 *in_buffer,
+						    acpi_size length,
+						    struct acpi_pld_info
+						    **return_buffer))
+
+/*
+ * ACPI table load/unload interfaces
+ */
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init
+			    acpi_install_table(acpi_physical_address address,
+					       u8 physical))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_load_table(struct acpi_table_header *table))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_unload_parent_table(acpi_handle object))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_load_tables(void))
+
+/*
+ * ACPI table manipulation interfaces
+ */
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_reallocate_root_table(void))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init
+			    acpi_find_root_pointer(acpi_physical_address *
+						   rsdp_address))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_table_header(acpi_string signature,
+						   u32 instance,
+						   struct acpi_table_header
+						   *out_table_header))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_table(acpi_string signature, u32 instance,
+					    struct acpi_table_header
+					    **out_table))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_table_by_index(u32 table_index,
+						     struct acpi_table_header
+						     **out_table))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_install_table_handler(acpi_table_handler
+							handler, void *context))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_remove_table_handler(acpi_table_handler
+						       handler))
+
+/*
+ * Namespace and name interfaces
+ */
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_walk_namespace(acpi_object_type type,
+						acpi_handle start_object,
+						u32 max_depth,
+						acpi_walk_callback
+						descending_callback,
+						acpi_walk_callback
+						ascending_callback,
+						void *context,
+						void **return_value))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_devices(const char *HID,
+					      acpi_walk_callback user_function,
+					      void *context,
+					      void **return_value))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_name(acpi_handle object, u32 name_type,
+					   struct acpi_buffer *ret_path_ptr))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_handle(acpi_handle parent,
+					     acpi_string pathname,
+					     acpi_handle * ret_handle))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_attach_data(acpi_handle object,
+					      acpi_object_handler handler,
+					      void *data))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_detach_data(acpi_handle object,
+					      acpi_object_handler handler))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_data(acpi_handle object,
+					   acpi_object_handler handler,
+					   void **data))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_debug_trace(const char *name, u32 debug_level,
+					      u32 debug_layer, u32 flags))
+
+/*
+ * Object manipulation and enumeration
+ */
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_evaluate_object(acpi_handle object,
+						 acpi_string pathname,
+						 struct acpi_object_list
+						 *parameter_objects,
+						 struct acpi_buffer
+						 *return_object_buffer))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_evaluate_object_typed(acpi_handle object,
+							acpi_string pathname,
+							struct acpi_object_list
+							*external_params,
+							struct acpi_buffer
+							*return_buffer,
+							acpi_object_type
+							return_type))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_object_info(acpi_handle object,
+						  struct acpi_device_info
+						  **return_buffer))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_install_method(u8 *buffer))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_get_next_object(acpi_object_type type,
+						 acpi_handle parent,
+						 acpi_handle child,
+						 acpi_handle * out_handle))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_get_type(acpi_handle object,
+					  acpi_object_type * out_type))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_get_parent(acpi_handle object,
+					    acpi_handle * out_handle))
+
+/*
+ * Handler interfaces
+ */
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_install_initialization_handler
+			    (acpi_init_handler handler, u32 function))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				 acpi_install_sci_handler(acpi_sci_handler
+							  address,
+							  void *context))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				 acpi_remove_sci_handler(acpi_sci_handler
+							 address))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				 acpi_install_global_event_handler
+				 (acpi_gbl_event_handler handler,
+				  void *context))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				 acpi_install_fixed_event_handler(u32
+								  acpi_event,
+								  acpi_event_handler
+								  handler,
+								  void
+								  *context))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				 acpi_remove_fixed_event_handler(u32 acpi_event,
+								 acpi_event_handler
+								 handler))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				 acpi_install_gpe_handler(acpi_handle
+							  gpe_device,
+							  u32 gpe_number,
+							  u32 type,
+							  acpi_gpe_handler
+							  address,
+							  void *context))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				 acpi_install_gpe_raw_handler(acpi_handle
+							      gpe_device,
+							      u32 gpe_number,
+							      u32 type,
+							      acpi_gpe_handler
+							      address,
+							      void *context))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				 acpi_remove_gpe_handler(acpi_handle gpe_device,
+							 u32 gpe_number,
+							 acpi_gpe_handler
+							 address))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_install_notify_handler(acpi_handle device,
+							 u32 handler_type,
+							 acpi_notify_handler
+							 handler,
+							 void *context))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_remove_notify_handler(acpi_handle device,
+							u32 handler_type,
+							acpi_notify_handler
+							handler))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_install_address_space_handler(acpi_handle
+								device,
+								acpi_adr_space_type
+								space_id,
+								acpi_adr_space_handler
+								handler,
+								acpi_adr_space_setup
+								setup,
+								void *context))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_remove_address_space_handler(acpi_handle
+							       device,
+							       acpi_adr_space_type
+							       space_id,
+							       acpi_adr_space_handler
+							       handler))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_install_exception_handler
+			     (acpi_exception_handler handler))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_install_interface_handler
+			     (acpi_interface_handler handler))
+
+/*
+ * Global Lock interfaces
+ */
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_acquire_global_lock(u16 timeout,
+							 u32 *handle))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_release_global_lock(u32 handle))
+
+/*
+ * Interfaces to AML mutex objects
+ */
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_acquire_mutex(acpi_handle handle,
+					       acpi_string pathname,
+					       u16 timeout))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_release_mutex(acpi_handle handle,
+					       acpi_string pathname))
+
+/*
+ * Fixed Event interfaces
+ */
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_enable_event(u32 event, u32 flags))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_disable_event(u32 event, u32 flags))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_get_event_status(u32 event,
+						      acpi_event_status
+						      *event_status))
+
+/*
+ * General Purpose Event (GPE) Interfaces
+ */
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_enable_gpe(acpi_handle gpe_device,
+						u32 gpe_number))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_disable_gpe(acpi_handle gpe_device,
+						 u32 gpe_number))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_clear_gpe(acpi_handle gpe_device,
+					       u32 gpe_number))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_set_gpe(acpi_handle gpe_device,
+					     u32 gpe_number, u8 action))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_finish_gpe(acpi_handle gpe_device,
+						u32 gpe_number))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_mark_gpe_for_wake(acpi_handle gpe_device,
+						       u32 gpe_number))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_setup_gpe_for_wake(acpi_handle
+							parent_device,
+							acpi_handle gpe_device,
+							u32 gpe_number))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				 acpi_set_gpe_wake_mask(acpi_handle gpe_device,
+							u32 gpe_number,
+							u8 action))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				 acpi_get_gpe_status(acpi_handle gpe_device,
+						     u32 gpe_number,
+						     acpi_event_status
+						     *event_status))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_get_gpe_device(u32 gpe_index,
+						    acpi_handle * gpe_device))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_install_gpe_block(acpi_handle gpe_device,
+						       struct
+						       acpi_generic_address
+						       *gpe_block_address,
+						       u32 register_count,
+						       u32 interrupt_number))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				 acpi_remove_gpe_block(acpi_handle gpe_device))
+
+/*
+ * Resource interfaces
+ */
+typedef
+acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
+					   void *context);
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_get_vendor_resource(acpi_handle device,
+						     char *name,
+						     struct acpi_vendor_uuid
+						     *uuid,
+						     struct acpi_buffer
+						     *ret_buffer))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_current_resources(acpi_handle device,
+							struct acpi_buffer
+							*ret_buffer))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_possible_resources(acpi_handle device,
+							 struct acpi_buffer
+							 *ret_buffer))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_event_resources(acpi_handle device_handle,
+						      struct acpi_buffer
+						      *ret_buffer))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_walk_resource_buffer(struct acpi_buffer
+						       *buffer,
+						       acpi_walk_resource_callback
+						       user_function,
+						       void *context))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_walk_resources(acpi_handle device, char *name,
+						 acpi_walk_resource_callback
+						 user_function, void *context))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_set_current_resources(acpi_handle device,
+							struct acpi_buffer
+							*in_buffer))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_irq_routing_table(acpi_handle device,
+							struct acpi_buffer
+							*ret_buffer))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_resource_to_address64(struct acpi_resource
+							*resource,
+							struct
+							acpi_resource_address64
+							*out))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_buffer_to_resource(u8 *aml_buffer,
+						     u16 aml_buffer_length,
+						     struct acpi_resource
+						     **resource_ptr))
+
+/*
+ * Hardware (ACPI device) interfaces
+ */
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_reset(void))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_read(u64 *value,
+				      struct acpi_generic_address *reg))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_write(u64 value,
+				       struct acpi_generic_address *reg))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_read_bit_register(u32 register_id,
+						       u32 *return_value))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_write_bit_register(u32 register_id,
+							u32 value))
+
+/*
+ * Sleep/Wake interfaces
+ */
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_get_sleep_type_data(u8 sleep_state,
+						     u8 *slp_typ_a,
+						     u8 *slp_typ_b))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_enter_sleep_state_prep(u8 sleep_state))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_enter_sleep_state(u8 sleep_state))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enter_sleep_state_s4bios(void))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_leave_sleep_state_prep(u8 sleep_state))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_leave_sleep_state(u8 sleep_state))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_set_firmware_waking_vectors
+				(acpi_physical_address physical_address,
+				 acpi_physical_address physical_address64))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				 acpi_set_firmware_waking_vector(u32
+								 physical_address))
+#if ACPI_MACHINE_WIDTH == 64
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_set_firmware_waking_vector64(u64
+								  physical_address))
+#endif
+/*
+ * ACPI Timer interfaces
+ */
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_get_timer_resolution(u32 *resolution))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
+
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+				acpi_get_timer_duration(u32 start_ticks,
+							u32 end_ticks,
+							u32 *time_elapsed))
+
+/*
+ * Error/Warning output
+ */
+ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
+			       void ACPI_INTERNAL_VAR_XFACE
+			       acpi_error(const char *module_name,
+					  u32 line_number,
+					  const char *format, ...))
+ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
+				void ACPI_INTERNAL_VAR_XFACE
+				acpi_exception(const char *module_name,
+					       u32 line_number,
+					       acpi_status status,
+					       const char *format, ...))
+ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
+				void ACPI_INTERNAL_VAR_XFACE
+				acpi_warning(const char *module_name,
+					     u32 line_number,
+					     const char *format, ...))
+ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
+				void ACPI_INTERNAL_VAR_XFACE
+				acpi_info(const char *module_name,
+					  u32 line_number,
+					  const char *format, ...))
+ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
+				void ACPI_INTERNAL_VAR_XFACE
+				acpi_bios_error(const char *module_name,
+						u32 line_number,
+						const char *format, ...))
+ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
+				void ACPI_INTERNAL_VAR_XFACE
+				acpi_bios_warning(const char *module_name,
+						  u32 line_number,
+						  const char *format, ...))
+
+/*
+ * Debug output
+ */
+ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
+			       void ACPI_INTERNAL_VAR_XFACE
+			       acpi_debug_print(u32 requested_debug_level,
+						u32 line_number,
+						const char *function_name,
+						const char *module_name,
+						u32 component_id,
+						const char *format, ...))
+ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
+				void ACPI_INTERNAL_VAR_XFACE
+				acpi_debug_print_raw(u32 requested_debug_level,
+						     u32 line_number,
+						     const char *function_name,
+						     const char *module_name,
+						     u32 component_id,
+						     const char *format, ...))
+
+ACPI_DBG_DEPENDENT_RETURN_VOID(void
+			       acpi_trace_point(acpi_trace_event_type type,
+						u8 begin,
+						u8 *aml, char *pathname))
+ACPI_APP_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(1)
+				void ACPI_INTERNAL_VAR_XFACE
+				acpi_log_error(const char *format, ...))
+ acpi_status acpi_initialize_debugger(void);
+
+void acpi_terminate_debugger(void);
+
+/*
+ * Divergences
+ */
+ACPI_GLOBAL(u8, acpi_gbl_permanent_mmap);
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_get_table_with_size(acpi_string signature,
+						     u32 instance,
+						     struct acpi_table_header
+						     **out_table,
+						     acpi_size *tbl_size))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_get_data_full(acpi_handle object,
+					       acpi_object_handler handler,
+					       void **data,
+					       void (*callback)(void *)))
+
+void acpi_set_debugger_thread_id(acpi_thread_id thread_id);
+
+#endif				/* __ACXFACE_H__ */