/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ /****************************************************************************** * * Name: acobject.h - Definition of union acpi_operand_object (Internal object only) * * Copyright (C) 2000 - 2023, Intel Corp. * *****************************************************************************/ #ifndef _ACOBJECT_H #define _ACOBJECT_H /* acpisrc:struct_defs -- for acpisrc conversion */ /* * The union acpi_operand_object is used to pass AML operands from the dispatcher * to the interpreter, and to keep track of the various handlers such as * address space handlers and notify handlers. The object is a constant * size in order to allow it to be cached and reused. * * Note: The object is optimized to be aligned and will not work if it is * byte-packed. */ #if ACPI_MACHINE_WIDTH == 64 #pragma pack(8) #else #pragma pack(4) #endif /******************************************************************************* * * Common Descriptors * ******************************************************************************/ /* * Common area for all objects. * * descriptor_type is used to differentiate between internal descriptors, and * must be in the same place across all descriptors * * Note: The descriptor_type and Type fields must appear in the identical * position in both the struct acpi_namespace_node and union acpi_operand_object * structures. */ #define ACPI_OBJECT_COMMON_HEADER … /* * Note: There are 3 bytes available here before the * next natural alignment boundary (for both 32/64 cases) */ /* Values for Flag byte above */ #define AOPOBJ_AML_CONSTANT … #define AOPOBJ_STATIC_POINTER … #define AOPOBJ_DATA_VALID … #define AOPOBJ_OBJECT_INITIALIZED … #define AOPOBJ_REG_CONNECTED … #define AOPOBJ_SETUP_COMPLETE … #define AOPOBJ_INVALID … /****************************************************************************** * * Basic data types * *****************************************************************************/ struct acpi_object_common { … }; struct acpi_object_integer { … }; /* * Note: The String and Buffer object must be identical through the * pointer and length elements. There is code that depends on this. * * Fields common to both Strings and Buffers */ #define ACPI_COMMON_BUFFER_INFO(_type) … /* Null terminated, ASCII characters only */ struct acpi_object_string { … }; struct acpi_object_buffer { … }; struct acpi_object_package { … }; /****************************************************************************** * * Complex data types * *****************************************************************************/ struct acpi_object_event { … }; struct acpi_object_mutex { … }; struct acpi_object_region { … }; struct acpi_object_method { … }; /* Flags for info_flags field above */ #define ACPI_METHOD_MODULE_LEVEL … #define ACPI_METHOD_INTERNAL_ONLY … #define ACPI_METHOD_SERIALIZED … #define ACPI_METHOD_SERIALIZED_PENDING … #define ACPI_METHOD_IGNORE_SYNC_LEVEL … #define ACPI_METHOD_MODIFIED_NAMESPACE … /****************************************************************************** * * Objects that can be notified. All share a common notify_info area. * *****************************************************************************/ /* * Common fields for objects that support ASL notifications */ #define ACPI_COMMON_NOTIFY_INFO … /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */ struct acpi_object_notify_common { … }; struct acpi_object_device { … }; struct acpi_object_power_resource { … }; struct acpi_object_processor { … }; struct acpi_object_thermal_zone { … }; /****************************************************************************** * * Fields. All share a common header/info field. * *****************************************************************************/ /* * Common bitfield for the field objects * "Field Datum" -- a datum from the actual field object * "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field */ #define ACPI_COMMON_FIELD_INFO … /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */ struct acpi_object_field_common { … }; struct acpi_object_region_field { … }; struct acpi_object_bank_field { … }; struct acpi_object_index_field { … }; /* The buffer_field is different in that it is part of a Buffer, not an op_region */ struct acpi_object_buffer_field { … }; /****************************************************************************** * * Objects for handlers * *****************************************************************************/ struct acpi_object_notify_handler { … }; struct acpi_object_addr_handler { … }; /* Flags for address handler (handler_flags) */ #define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED … /****************************************************************************** * * Special internal objects * *****************************************************************************/ /* * The Reference object is used for these opcodes: * Arg[0-6], Local[0-7], index_op, name_op, ref_of_op, load_op, load_table_op, debug_op * The Reference.Class differentiates these types. */ struct acpi_object_reference { … }; /* Values for Reference.Class above */ ACPI_REFERENCE_CLASSES; /* * Extra object is used as additional storage for types that * have AML code in their declarations (term_args) that must be * evaluated at run time. * * Currently: Region and field_unit types */ struct acpi_object_extra { … }; /* Additional data that can be attached to namespace nodes */ struct acpi_object_data { … }; /* Structure used when objects are cached for reuse */ struct acpi_object_cache_list { … }; /****************************************************************************** * * union acpi_operand_object descriptor - a giant union of all of the above * *****************************************************************************/ acpi_operand_object; /****************************************************************************** * * union acpi_descriptor - objects that share a common descriptor identifier * *****************************************************************************/ /* Object descriptor types */ #define ACPI_DESC_TYPE_CACHED … #define ACPI_DESC_TYPE_STATE … #define ACPI_DESC_TYPE_STATE_UPDATE … #define ACPI_DESC_TYPE_STATE_PACKAGE … #define ACPI_DESC_TYPE_STATE_CONTROL … #define ACPI_DESC_TYPE_STATE_RPSCOPE … #define ACPI_DESC_TYPE_STATE_PSCOPE … #define ACPI_DESC_TYPE_STATE_WSCOPE … #define ACPI_DESC_TYPE_STATE_RESULT … #define ACPI_DESC_TYPE_STATE_NOTIFY … #define ACPI_DESC_TYPE_STATE_THREAD … #define ACPI_DESC_TYPE_WALK … #define ACPI_DESC_TYPE_PARSER … #define ACPI_DESC_TYPE_OPERAND … #define ACPI_DESC_TYPE_NAMED … #define ACPI_DESC_TYPE_MAX … struct acpi_common_descriptor { … }; acpi_descriptor; #pragma pack() #endif /* _ACOBJECT_H */
Codebase Browser
linux