summaryrefslogtreecommitdiffstats
path: root/include/acpi
diff options
context:
space:
mode:
authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-05-27 18:11:38 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-05-27 18:11:38 +0200
commitc9b77a4070a60762aee048e3c353d72fb990f940 (patch)
tree7820cae684404d2bd26814a327f0e2809724dd33 /include/acpi
parent85dbd5801f62b66e2aa7826aaefcaebead44c8a6 (diff)
parentbc381eebd4b246d6cc29d97ab34d2c54ecc40a87 (diff)
downloadop-kernel-dev-c9b77a4070a60762aee048e3c353d72fb990f940.zip
op-kernel-dev-c9b77a4070a60762aee048e3c353d72fb990f940.tar.gz
Merge back earlier ACPICA material.
Conflicts: drivers/acpi/acpica/acglobal.h
Diffstat (limited to 'include/acpi')
-rw-r--r--include/acpi/acnames.h1
-rw-r--r--include/acpi/acpixf.h831
-rw-r--r--include/acpi/actbl.h11
-rw-r--r--include/acpi/actbl1.h4
-rw-r--r--include/acpi/actbl2.h71
-rw-r--r--include/acpi/actypes.h21
-rw-r--r--include/acpi/platform/acgcc.h11
-rw-r--r--include/acpi/platform/aclinux.h36
8 files changed, 700 insertions, 286 deletions
diff --git a/include/acpi/acnames.h b/include/acpi/acnames.h
index 3dd6e83..f0e713f 100644
--- a/include/acpi/acnames.h
+++ b/include/acpi/acnames.h
@@ -55,6 +55,7 @@
#define METHOD_NAME__HID "_HID"
#define METHOD_NAME__INI "_INI"
#define METHOD_NAME__PLD "_PLD"
+#define METHOD_NAME__PRP "_PRP"
#define METHOD_NAME__PRS "_PRS"
#define METHOD_NAME__PRT "_PRT"
#define METHOD_NAME__PRW "_PRW"
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 44f5e97..b5f7132 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -46,7 +46,7 @@
/* Current ACPICA subsystem version in YYYYMMDD format */
-#define ACPI_CA_VERSION 0x20140214
+#define ACPI_CA_VERSION 0x20140424
#include <acpi/acconfig.h>
#include <acpi/actypes.h>
@@ -55,233 +55,469 @@
extern u8 acpi_gbl_permanent_mmap;
+/*****************************************************************************
+ *
+ * Macros used for ACPICA globals and configuration
+ *
+ ****************************************************************************/
+
/*
- * Globals that are publically available
+ * 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.
*/
-extern u32 acpi_current_gpe_count;
-extern struct acpi_table_fadt acpi_gbl_FADT;
-extern u8 acpi_gbl_system_awake_and_running;
-extern u8 acpi_gbl_reduced_hardware; /* ACPI 5.0 */
-extern u8 acpi_gbl_osi_data;
+#ifdef DEFINE_ACPI_GLOBALS
+#define ACPI_GLOBAL(type,name) \
+ extern type name; \
+ type name
-/* Runtime configuration of debug print levels */
+#define ACPI_INIT_GLOBAL(type,name,value) \
+ type name=value
-extern u32 acpi_dbg_level;
-extern u32 acpi_dbg_layer;
-
-/* ACPICA runtime options */
+#else
+#ifndef ACPI_GLOBAL
+#define ACPI_GLOBAL(type,name) \
+ extern type name
+#endif
-extern u8 acpi_gbl_auto_serialize_methods;
-extern u8 acpi_gbl_copy_dsdt_locally;
-extern u8 acpi_gbl_create_osi_method;
-extern u8 acpi_gbl_disable_auto_repair;
-extern u8 acpi_gbl_disable_ssdt_table_load;
-extern u8 acpi_gbl_do_not_use_xsdt;
-extern u8 acpi_gbl_enable_aml_debug_object;
-extern u8 acpi_gbl_enable_interpreter_slack;
-extern u32 acpi_gbl_trace_flags;
-extern acpi_name acpi_gbl_trace_method_name;
-extern u8 acpi_gbl_truncate_io_addresses;
-extern u8 acpi_gbl_use32_bit_fadt_addresses;
-extern u8 acpi_gbl_use_default_register_widths;
+#ifndef ACPI_INIT_GLOBAL
+#define ACPI_INIT_GLOBAL(type,name,value) \
+ extern type name
+#endif
+#endif
/*
- * Hardware-reduced prototypes. All interfaces that use these macros will
- * be configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
- * is set to TRUE.
+ * 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.
*/
-#if (!ACPI_REDUCED_HARDWARE)
-#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
+#ifndef ACPI_EXTERNAL_RETURN_STATUS
+#define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
prototype;
+#endif
-#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
+#ifndef ACPI_EXTERNAL_RETURN_OK
+#define ACPI_EXTERNAL_RETURN_OK(prototype) \
prototype;
+#endif
-#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
+#ifndef ACPI_EXTERNAL_RETURN_VOID
+#define ACPI_EXTERNAL_RETURN_VOID(prototype) \
prototype;
+#endif
-#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);}
+#ifndef ACPI_EXTERNAL_RETURN_UINT32
+#define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
+ prototype;
+#endif
-#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
- static ACPI_INLINE prototype {return;}
+#ifndef ACPI_EXTERNAL_RETURN_PTR
+#define ACPI_EXTERNAL_RETURN_PTR(prototype) \
+ prototype;
+#endif
-#endif /* !ACPI_REDUCED_HARDWARE */
+/*****************************************************************************
+ *
+ * Public globals and runtime configuration options
+ *
+ ****************************************************************************/
/*
- * Initialization
+ * 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_status __init
-acpi_initialize_tables(struct acpi_table_desc *initial_storage,
- u32 initial_table_count, u8 allow_resize);
-
-acpi_status __init acpi_initialize_subsystem(void);
-
-acpi_status __init acpi_enable_subsystem(u32 flags);
+ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_interpreter_slack, FALSE);
-acpi_status __init acpi_initialize_objects(u32 flags);
-
-acpi_status __init acpi_terminate(void);
+/*
+ * 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);
/*
- * Miscellaneous global interfaces
+ * 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_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
-ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
-#ifdef ACPI_FUTURE_USAGE
-acpi_status acpi_subsystem_status(void);
-#endif
+ACPI_INIT_GLOBAL(u8, acpi_gbl_create_osi_method, TRUE);
-#ifdef ACPI_FUTURE_USAGE
-acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer);
-#endif
+/*
+ * 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);
-acpi_status acpi_get_statistics(struct acpi_statistics *stats);
+/*
+ * Optionally enable output from the AML Debug Object.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_aml_debug_object, FALSE);
-const char *acpi_format_exception(acpi_status exception);
+/*
+ * 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);
-acpi_status acpi_purge_cached_objects(void);
+/*
+ * 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);
-acpi_status acpi_install_interface(acpi_string interface_name);
+/*
+ * 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 TRUE, favor the 32-bit addresses.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, TRUE);
-acpi_status acpi_remove_interface(acpi_string interface_name);
+/*
+ * 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);
-acpi_status acpi_update_interfaces(u8 action);
+/*
+ * 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);
-u32
-acpi_check_address_range(acpi_adr_space_type space_id,
- acpi_physical_address address,
- acpi_size length, u8 warn);
+/*
+ * 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);
-acpi_status
-acpi_decode_pld_buffer(u8 *in_buffer,
- acpi_size length, struct acpi_pld_info **return_buffer);
+/*
+ * 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 table load/unload interfaces
+ * 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_status acpi_load_table(struct acpi_table_header *table);
+ACPI_INIT_GLOBAL(u8, acpi_gbl_reduced_hardware, FALSE);
-acpi_status acpi_unload_parent_table(acpi_handle object);
+/*
+ * 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(acpi_name, acpi_gbl_trace_method_name, 0);
-acpi_status __init acpi_load_tables(void);
+/*
+ * 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);
/*
- * ACPI table manipulation interfaces
+ * Other miscellaneous globals
*/
-acpi_status __init acpi_reallocate_root_table(void);
+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);
-acpi_status __init acpi_find_root_pointer(acpi_size *rsdp_address);
+/*****************************************************************************
+ *
+ * ACPICA public interface configuration.
+ *
+ * Interfaces that are configured out of the ACPICA build are replaced
+ * by inlined stubs by default.
+ *
+ ****************************************************************************/
-acpi_status acpi_unload_table_id(acpi_owner_id id);
+/*
+ * 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)
-acpi_status
-acpi_get_table_header(acpi_string signature,
- u32 instance, struct acpi_table_header *out_table_header);
+#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
+ ACPI_EXTERNAL_RETURN_OK(prototype)
-acpi_status
-acpi_get_table_with_size(acpi_string signature,
- u32 instance, struct acpi_table_header **out_table,
- acpi_size *tbl_size);
+#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
+ ACPI_EXTERNAL_RETURN_VOID(prototype)
-acpi_status
-acpi_get_table(acpi_string signature,
- u32 instance, struct acpi_table_header **out_table);
+#else
+#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
+ static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
-acpi_status
-acpi_get_table_by_index(u32 table_index, struct acpi_table_header **out_table);
+#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
+ static ACPI_INLINE prototype {return(AE_OK);}
-acpi_status
-acpi_install_table_handler(acpi_table_handler handler, void *context);
+#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
+ static ACPI_INLINE prototype {return;}
-acpi_status acpi_remove_table_handler(acpi_table_handler handler);
+#endif /* !ACPI_REDUCED_HARDWARE */
/*
- * Namespace and name interfaces
+ * 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.
*/
-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);
+#ifndef ACPI_NO_ERROR_MESSAGES
+#define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
+ prototype;
-acpi_status
-acpi_get_devices(const char *HID,
- acpi_walk_callback user_function,
- void *context, void **return_value);
+#else
+#define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
+ static ACPI_INLINE prototype {return;}
-acpi_status
-acpi_get_name(acpi_handle object,
- u32 name_type, struct acpi_buffer *ret_path_ptr);
+#endif /* ACPI_NO_ERROR_MESSAGES */
-acpi_status
-acpi_get_handle(acpi_handle parent,
- acpi_string pathname, acpi_handle * ret_handle);
+/*
+ * 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;
-acpi_status
-acpi_attach_data(acpi_handle object, acpi_object_handler handler, void *data);
+#else
+#define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
+ static ACPI_INLINE prototype {return;}
-acpi_status acpi_detach_data(acpi_handle object, acpi_object_handler handler);
+#endif /* ACPI_DEBUG_OUTPUT */
-acpi_status
-acpi_get_data_full(acpi_handle object, acpi_object_handler handler, void **data,
- void (*callback)(void *));
+/*****************************************************************************
+ *
+ * ACPICA public interface prototypes
+ *
+ ****************************************************************************/
-acpi_status
-acpi_get_data(acpi_handle object, acpi_object_handler handler, void **data);
+/*
+ * 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_status
-acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags);
+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))
/*
- * Object manipulation and enumeration
+ * Miscellaneous global interfaces
*/
-acpi_status
-acpi_evaluate_object(acpi_handle object,
- acpi_string pathname,
- struct acpi_object_list *parameter_objects,
- struct acpi_buffer *return_object_buffer);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
+#ifdef ACPI_FUTURE_USAGE
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_subsystem_status(void))
+#endif
-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);
+#ifdef ACPI_FUTURE_USAGE
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+ acpi_get_system_info(struct acpi_buffer
+ *ret_buffer))
+#endif
+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_status
-acpi_get_object_info(acpi_handle object,
- struct acpi_device_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_status acpi_install_method(u8 *buffer);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+ acpi_load_table(struct acpi_table_header *table))
-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_unload_parent_table(acpi_handle object))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_load_tables(void))
-acpi_status acpi_get_type(acpi_handle object, acpi_object_type * out_type);
+/*
+ * 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_size * 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))
-acpi_status acpi_get_id(acpi_handle object, acpi_owner_id * out_type);
+/*
+ * 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(char *name, u32 debug_level,
+ u32 debug_layer, u32 flags))
-acpi_status acpi_get_parent(acpi_handle object, acpi_handle * out_handle);
+/*
+ * 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_status
-acpi_install_initialization_handler(acpi_init_handler handler, u32 function);
-
+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_install_sci_handler(acpi_sci_handler
+ address,
+ void *context))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
acpi_remove_sci_handler(acpi_sci_handler
address))
@@ -313,30 +549,42 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
u32 gpe_number,
acpi_gpe_handler
address))
-acpi_status acpi_install_notify_handler(acpi_handle device, u32 handler_type,
- acpi_notify_handler handler,
- void *context);
-
-acpi_status
-acpi_remove_notify_handler(acpi_handle device,
- u32 handler_type, acpi_notify_handler handler);
-
-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_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_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))
#ifdef ACPI_FUTURE_USAGE
-acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+ acpi_install_exception_handler
+ (acpi_exception_handler handler))
#endif
-
-acpi_status acpi_install_interface_handler(acpi_interface_handler handler);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+ acpi_install_interface_handler
+ (acpi_interface_handler handler))
/*
* Global Lock interfaces
@@ -351,10 +599,14 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
/*
* Interfaces to AML mutex objects
*/
-acpi_status
-acpi_acquire_mutex(acpi_handle handle, acpi_string pathname, u16 timeout);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+ acpi_acquire_mutex(acpi_handle handle,
+ acpi_string pathname,
+ u16 timeout))
-acpi_status acpi_release_mutex(acpi_handle handle, acpi_string pathname);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+ acpi_release_mutex(acpi_handle handle,
+ acpi_string pathname))
/*
* Fixed Event interfaces
@@ -434,57 +686,69 @@ typedef
acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
void *context);
-acpi_status
-acpi_get_vendor_resource(acpi_handle device,
- char *name,
- struct acpi_vendor_uuid *uuid,
- struct acpi_buffer *ret_buffer);
-
-acpi_status
-acpi_get_current_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
-
+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))
#ifdef ACPI_FUTURE_USAGE
-acpi_status
-acpi_get_possible_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))
#endif
-
-acpi_status
-acpi_get_event_resources(acpi_handle device_handle,
- struct acpi_buffer *ret_buffer);
-
-acpi_status
-acpi_walk_resource_buffer(struct acpi_buffer *buffer,
- acpi_walk_resource_callback user_function,
- void *context);
-
-acpi_status
-acpi_walk_resources(acpi_handle device,
- char *name,
- acpi_walk_resource_callback user_function, void *context);
-
-acpi_status
-acpi_set_current_resources(acpi_handle device, struct acpi_buffer *in_buffer);
-
-acpi_status
-acpi_get_irq_routing_table(acpi_handle device, struct acpi_buffer *ret_buffer);
-
-acpi_status
-acpi_resource_to_address64(struct acpi_resource *resource,
- struct acpi_resource_address64 *out);
-
-acpi_status
-acpi_buffer_to_resource(u8 *aml_buffer,
- u16 aml_buffer_length,
- struct acpi_resource **resource_ptr);
+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_status acpi_reset(void);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_reset(void))
-acpi_status acpi_read(u64 *value, struct acpi_generic_address *reg);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+ acpi_read(u64 *value,
+ struct acpi_generic_address *reg))
-acpi_status acpi_write(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,
@@ -497,18 +761,20 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
/*
* Sleep/Wake interfaces
*/
-acpi_status
-acpi_get_sleep_type_data(u8 sleep_state, u8 *slp_typ_a, u8 *slp_typ_b);
-
-acpi_status acpi_enter_sleep_state_prep(u8 sleep_state);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+ acpi_get_sleep_type_data(u8 sleep_state,
+ u8 *slp_typ_a,
+ u8 *slp_typ_b))
-acpi_status acpi_enter_sleep_state(u8 sleep_state);
+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_status acpi_leave_sleep_state_prep(u8 sleep_state);
-
-acpi_status acpi_leave_sleep_state(u8 sleep_state);
+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_vector(u32
@@ -535,53 +801,72 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
/*
* Error/Warning output
*/
-ACPI_PRINTF_LIKE(3)
-void ACPI_INTERNAL_VAR_XFACE
-acpi_error(const char *module_name, u32 line_number, const char *format, ...);
-
-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_PRINTF_LIKE(3)
-void ACPI_INTERNAL_VAR_XFACE
-acpi_warning(const char *module_name, u32 line_number, const char *format, ...);
-
-ACPI_PRINTF_LIKE(3)
-void ACPI_INTERNAL_VAR_XFACE
-acpi_info(const char *module_name, u32 line_number, const char *format, ...);
-
-ACPI_PRINTF_LIKE(3)
-void ACPI_INTERNAL_VAR_XFACE
-acpi_bios_error(const char *module_name,
- u32 line_number, const char *format, ...);
-
-ACPI_PRINTF_LIKE(3)
-void ACPI_INTERNAL_VAR_XFACE
-acpi_bios_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_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
*/
-#ifdef ACPI_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_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_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, ...);
-#endif
+/*
+ * Divergences
+ */
+acpi_status acpi_get_id(acpi_handle object, acpi_owner_id * out_type);
+
+acpi_status acpi_unload_table_id(acpi_owner_id id);
+
+acpi_status
+acpi_get_table_with_size(acpi_string signature,
+ u32 instance, struct acpi_table_header **out_table,
+ acpi_size *tbl_size);
+
+acpi_status
+acpi_get_data_full(acpi_handle object, acpi_object_handler handler, void **data,
+ void (*callback)(void *));
#endif /* __ACXFACE_H__ */
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index 3b30e36..1cc7ef1 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -367,12 +367,11 @@ struct acpi_table_desc {
/* Masks for Flags field above */
-#define ACPI_TABLE_ORIGIN_UNKNOWN (0)
-#define ACPI_TABLE_ORIGIN_MAPPED (1)
-#define ACPI_TABLE_ORIGIN_ALLOCATED (2)
-#define ACPI_TABLE_ORIGIN_OVERRIDE (4)
-#define ACPI_TABLE_ORIGIN_MASK (7)
-#define ACPI_TABLE_IS_LOADED (8)
+#define ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL (0) /* Virtual address, external maintained */
+#define ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL (1) /* Physical address, internally mapped */
+#define ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL (2) /* Virtual address, internallly allocated */
+#define ACPI_TABLE_ORIGIN_MASK (3)
+#define ACPI_TABLE_IS_LOADED (8)
/*
* Get the remaining ACPI tables
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index 212c65d..4ad7da8 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -675,7 +675,7 @@ enum acpi_madt_type {
};
/*
- * MADT Sub-tables, correspond to Type in struct acpi_subtable_header
+ * MADT Subtables, correspond to Type in struct acpi_subtable_header
*/
/* 0: Processor Local APIC */
@@ -918,7 +918,7 @@ enum acpi_srat_type {
};
/*
- * SRAT Sub-tables, correspond to Type in struct acpi_subtable_header
+ * SRAT Subtables, correspond to Type in struct acpi_subtable_header
*/
/* 0: Processor Local APIC/SAPIC Affinity */
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index c8adad9..860e5c8 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -70,6 +70,7 @@
#define ACPI_SIG_HPET "HPET" /* High Precision Event Timer table */
#define ACPI_SIG_IBFT "IBFT" /* iSCSI Boot Firmware Table */
#define ACPI_SIG_IVRS "IVRS" /* I/O Virtualization Reporting Structure */
+#define ACPI_SIG_LPIT "LPIT" /* Low Power Idle Table */
#define ACPI_SIG_MCFG "MCFG" /* PCI Memory Mapped Configuration table */
#define ACPI_SIG_MCHI "MCHI" /* Management Controller Host Interface table */
#define ACPI_SIG_MTMR "MTMR" /* MID Timer table */
@@ -456,7 +457,7 @@ struct acpi_dmar_pci_path {
};
/*
- * DMAR Sub-tables, correspond to Type in struct acpi_dmar_header
+ * DMAR Subtables, correspond to Type in struct acpi_dmar_header
*/
/* 0: Hardware Unit Definition */
@@ -820,7 +821,71 @@ struct acpi_ivrs_memory {
/*******************************************************************************
*
- * MCFG - PCI Memory Mapped Configuration table and sub-table
+ * LPIT - Low Power Idle Table
+ *
+ * Conforms to "ACPI Low Power Idle Table (LPIT) and _LPD Proposal (DRAFT)"
+ *
+ ******************************************************************************/
+
+struct acpi_table_lpit {
+ struct acpi_table_header header; /* Common ACPI table header */
+};
+
+/* LPIT subtable header */
+
+struct acpi_lpit_header {
+ u32 type; /* Subtable type */
+ u32 length; /* Subtable length */
+ u16 unique_id;
+ u16 reserved;
+ u32 flags;
+};
+
+/* Values for subtable Type above */
+
+enum acpi_lpit_type {
+ ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
+ ACPI_LPIT_TYPE_SIMPLE_IO = 0x01
+};
+
+/* Masks for Flags field above */
+
+#define ACPI_LPIT_STATE_DISABLED (1)
+#define ACPI_LPIT_NO_COUNTER (1<<1)
+
+/*
+ * LPIT subtables, correspond to Type in struct acpi_lpit_header
+ */
+
+/* 0x00: Native C-state instruction based LPI structure */
+
+struct acpi_lpit_native {
+ struct acpi_lpit_header header;
+ struct acpi_generic_address entry_trigger;
+ u32 residency;
+ u32 latency;
+ struct acpi_generic_address residency_counter;
+ u64 counter_frequency;
+};
+
+/* 0x01: Simple I/O based LPI structure */
+
+struct acpi_lpit_io {
+ struct acpi_lpit_header header;
+ struct acpi_generic_address entry_trigger;
+ u32 trigger_action;
+ u64 trigger_value;
+ u64 trigger_mask;
+ struct acpi_generic_address minimum_idle_state;
+ u32 residency;
+ u32 latency;
+ struct acpi_generic_address residency_counter;
+ u64 counter_frequency;
+};
+
+/*******************************************************************************
+ *
+ * MCFG - PCI Memory Mapped Configuration table and subtable
* Version 1
*
* Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
@@ -923,7 +988,7 @@ enum acpi_slic_type {
};
/*
- * SLIC Sub-tables, correspond to Type in struct acpi_slic_header
+ * SLIC Subtables, correspond to Type in struct acpi_slic_header
*/
/* 0: Public Key Structure */
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index e763565..19b26bb 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -329,6 +329,15 @@ typedef u32 acpi_physical_address;
*
******************************************************************************/
+#ifdef ACPI_NO_MEM_ALLOCATIONS
+
+#define ACPI_ALLOCATE(a) NULL
+#define ACPI_ALLOCATE_ZEROED(a) NULL
+#define ACPI_FREE(a)
+#define ACPI_MEM_TRACKING(a)
+
+#else /* ACPI_NO_MEM_ALLOCATIONS */
+
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
/*
* Memory allocation tracking (used by acpi_exec to detect memory leaks)
@@ -350,6 +359,8 @@ typedef u32 acpi_physical_address;
#endif /* ACPI_DBG_TRACK_ALLOCATIONS */
+#endif /* ACPI_NO_MEM_ALLOCATIONS */
+
/******************************************************************************
*
* ACPI Specification constants (Do not change unless the specification changes)
@@ -928,9 +939,19 @@ struct acpi_object_list {
* Miscellaneous common Data Structures used by the interfaces
*/
#define ACPI_NO_BUFFER 0
+
+#ifdef ACPI_NO_MEM_ALLOCATIONS
+
+#define ACPI_ALLOCATE_BUFFER (acpi_size) (0)
+#define ACPI_ALLOCATE_LOCAL_BUFFER (acpi_size) (0)
+
+#else /* ACPI_NO_MEM_ALLOCATIONS */
+
#define ACPI_ALLOCATE_BUFFER (acpi_size) (-1) /* Let ACPICA allocate buffer */
#define ACPI_ALLOCATE_LOCAL_BUFFER (acpi_size) (-2) /* For internal use only (enables tracking) */
+#endif /* ACPI_NO_MEM_ALLOCATIONS */
+
struct acpi_buffer {
acpi_size length; /* Length in bytes of the buffer */
void *pointer; /* pointer to buffer */
diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h
index a476b91..384875d 100644
--- a/include/acpi/platform/acgcc.h
+++ b/include/acpi/platform/acgcc.h
@@ -64,4 +64,15 @@
*/
#define ACPI_UNUSED_VAR __attribute__ ((unused))
+/*
+ * Some versions of gcc implement strchr() with a buggy macro. So,
+ * undef it here. Prevents error messages of this form (usually from the
+ * file getopt.c):
+ *
+ * error: logical '&&' with non-zero constant will always evaluate as true
+ */
+#ifdef strchr
+#undef strchr
+#endif
+
#endif /* __ACGCC_H__ */
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 93c55ed..4c2f9e7 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -73,6 +73,37 @@
#endif
#include <asm/acpi.h>
+#ifndef CONFIG_ACPI
+
+/* External globals for __KERNEL__, stubs is needed */
+
+#define ACPI_GLOBAL(t,a)
+#define ACPI_INIT_GLOBAL(t,a,b)
+
+/* Generating stubs for configurable ACPICA macros */
+
+#define ACPI_NO_MEM_ALLOCATIONS
+
+/* Generating stubs for configurable ACPICA functions */
+
+#define ACPI_NO_ERROR_MESSAGES
+#undef ACPI_DEBUG_OUTPUT
+
+/* External interface for __KERNEL__, stub is needed */
+
+#define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
+ static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
+#define ACPI_EXTERNAL_RETURN_OK(prototype) \
+ static ACPI_INLINE prototype {return(AE_OK);}
+#define ACPI_EXTERNAL_RETURN_VOID(prototype) \
+ static ACPI_INLINE prototype {return;}
+#define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
+ static ACPI_INLINE prototype {return(0);}
+#define ACPI_EXTERNAL_RETURN_PTR(prototype) \
+ static ACPI_INLINE prototype {return(NULL);}
+
+#endif /* CONFIG_ACPI */
+
/* Host-dependent types and defines for in-kernel ACPICA */
#define ACPI_MACHINE_WIDTH BITS_PER_LONG
@@ -91,7 +122,7 @@
#include <ctype.h>
#include <unistd.h>
-/* Disable kernel specific declarators */
+/* Define/disable kernel-specific declarators */
#ifndef __init
#define __init
@@ -106,7 +137,8 @@
#define ACPI_FLUSH_CPU_CACHE()
#define ACPI_CAST_PTHREAD_T(pthread) ((acpi_thread_id) (pthread))
-#if defined(__ia64__) || defined(__x86_64__) || defined(__aarch64__)
+#if defined(__ia64__) || defined(__x86_64__) ||\
+ defined(__aarch64__) || defined(__PPC64__)
#define ACPI_MACHINE_WIDTH 64
#define COMPILER_DEPENDENT_INT64 long
#define COMPILER_DEPENDENT_UINT64 unsigned long
OpenPOWER on IntegriCloud