590 lines
21 KiB
C
590 lines
21 KiB
C
/******************************************************************************
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*
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* Name: acobject.h - Definition of ACPI_OPERAND_OBJECT (Internal object only)
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2015, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#ifndef _ACOBJECT_H
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#define _ACOBJECT_H
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/* acpisrc:StructDefs -- for acpisrc conversion */
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/*
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* The ACPI_OPERAND_OBJECT is used to pass AML operands from the dispatcher
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* to the interpreter, and to keep track of the various handlers such as
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* address space handlers and notify handlers. The object is a constant
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* size in order to allow it to be cached and reused.
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*
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* Note: The object is optimized to be aligned and will not work if it is
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* byte-packed.
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*/
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#if ACPI_MACHINE_WIDTH == 64
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#pragma pack(8)
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#else
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#pragma pack(4)
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#endif
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/*******************************************************************************
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*
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* Common Descriptors
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*
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******************************************************************************/
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/*
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* Common area for all objects.
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*
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* DescriptorType is used to differentiate between internal descriptors, and
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* must be in the same place across all descriptors
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*
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* Note: The DescriptorType and Type fields must appear in the identical
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* position in both the ACPI_NAMESPACE_NODE and ACPI_OPERAND_OBJECT
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* structures.
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*/
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#define ACPI_OBJECT_COMMON_HEADER \
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union acpi_operand_object *NextObject; /* Objects linked to parent NS node */\
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UINT8 DescriptorType; /* To differentiate various internal objs */\
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UINT8 Type; /* ACPI_OBJECT_TYPE */\
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UINT16 ReferenceCount; /* For object deletion management */\
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UINT8 Flags;
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/*
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* Note: There are 3 bytes available here before the
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* next natural alignment boundary (for both 32/64 cases)
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*/
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/* Values for Flag byte above */
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#define AOPOBJ_AML_CONSTANT 0x01 /* Integer is an AML constant */
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#define AOPOBJ_STATIC_POINTER 0x02 /* Data is part of an ACPI table, don't delete */
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#define AOPOBJ_DATA_VALID 0x04 /* Object is initialized and data is valid */
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#define AOPOBJ_OBJECT_INITIALIZED 0x08 /* Region is initialized, _REG was run */
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#define AOPOBJ_SETUP_COMPLETE 0x10 /* Region setup is complete */
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#define AOPOBJ_INVALID 0x20 /* Host OS won't allow a Region address */
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/******************************************************************************
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*
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* Basic data types
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*
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*****************************************************************************/
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typedef struct acpi_object_common
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{
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ACPI_OBJECT_COMMON_HEADER
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} ACPI_OBJECT_COMMON;
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typedef struct acpi_object_integer
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{
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ACPI_OBJECT_COMMON_HEADER
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UINT8 Fill[3]; /* Prevent warning on some compilers */
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UINT64 Value;
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} ACPI_OBJECT_INTEGER;
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/*
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* Note: The String and Buffer object must be identical through the
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* pointer and length elements. There is code that depends on this.
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*
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* Fields common to both Strings and Buffers
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*/
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#define ACPI_COMMON_BUFFER_INFO(_Type) \
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_Type *Pointer; \
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UINT32 Length;
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typedef struct acpi_object_string /* Null terminated, ASCII characters only */
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{
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ACPI_OBJECT_COMMON_HEADER
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ACPI_COMMON_BUFFER_INFO (char) /* String in AML stream or allocated string */
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} ACPI_OBJECT_STRING;
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typedef struct acpi_object_buffer
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{
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ACPI_OBJECT_COMMON_HEADER
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ACPI_COMMON_BUFFER_INFO (UINT8) /* Buffer in AML stream or allocated buffer */
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UINT32 AmlLength;
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UINT8 *AmlStart;
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ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */
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} ACPI_OBJECT_BUFFER;
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typedef struct acpi_object_package
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{
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ACPI_OBJECT_COMMON_HEADER
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ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */
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union acpi_operand_object **Elements; /* Array of pointers to AcpiObjects */
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UINT8 *AmlStart;
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UINT32 AmlLength;
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UINT32 Count; /* # of elements in package */
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} ACPI_OBJECT_PACKAGE;
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/******************************************************************************
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*
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* Complex data types
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*
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*****************************************************************************/
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typedef struct acpi_object_event
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{
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ACPI_OBJECT_COMMON_HEADER
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ACPI_SEMAPHORE OsSemaphore; /* Actual OS synchronization object */
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} ACPI_OBJECT_EVENT;
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typedef struct acpi_object_mutex
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{
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ACPI_OBJECT_COMMON_HEADER
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UINT8 SyncLevel; /* 0-15, specified in Mutex() call */
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UINT16 AcquisitionDepth; /* Allow multiple Acquires, same thread */
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ACPI_MUTEX OsMutex; /* Actual OS synchronization object */
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ACPI_THREAD_ID ThreadId; /* Current owner of the mutex */
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struct acpi_thread_state *OwnerThread; /* Current owner of the mutex */
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union acpi_operand_object *Prev; /* Link for list of acquired mutexes */
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union acpi_operand_object *Next; /* Link for list of acquired mutexes */
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ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */
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UINT8 OriginalSyncLevel; /* Owner's original sync level (0-15) */
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} ACPI_OBJECT_MUTEX;
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typedef struct acpi_object_region
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{
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ACPI_OBJECT_COMMON_HEADER
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UINT8 SpaceId;
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ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */
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union acpi_operand_object *Handler; /* Handler for region access */
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union acpi_operand_object *Next;
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ACPI_PHYSICAL_ADDRESS Address;
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UINT32 Length;
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} ACPI_OBJECT_REGION;
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typedef struct acpi_object_method
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{
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ACPI_OBJECT_COMMON_HEADER
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UINT8 InfoFlags;
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UINT8 ParamCount;
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UINT8 SyncLevel;
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union acpi_operand_object *Mutex;
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UINT8 *AmlStart;
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union
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{
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ACPI_INTERNAL_METHOD Implementation;
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union acpi_operand_object *Handler;
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} Dispatch;
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UINT32 AmlLength;
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UINT8 ThreadCount;
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ACPI_OWNER_ID OwnerId;
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} ACPI_OBJECT_METHOD;
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/* Flags for InfoFlags field above */
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#define ACPI_METHOD_MODULE_LEVEL 0x01 /* Method is actually module-level code */
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#define ACPI_METHOD_INTERNAL_ONLY 0x02 /* Method is implemented internally (_OSI) */
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#define ACPI_METHOD_SERIALIZED 0x04 /* Method is serialized */
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#define ACPI_METHOD_SERIALIZED_PENDING 0x08 /* Method is to be marked serialized */
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#define ACPI_METHOD_IGNORE_SYNC_LEVEL 0x10 /* Method was auto-serialized at table load time */
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#define ACPI_METHOD_MODIFIED_NAMESPACE 0x20 /* Method modified the namespace */
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/******************************************************************************
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*
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* Objects that can be notified. All share a common NotifyInfo area.
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*
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*****************************************************************************/
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/*
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* Common fields for objects that support ASL notifications
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*/
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#define ACPI_COMMON_NOTIFY_INFO \
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union acpi_operand_object *NotifyList[2]; /* Handlers for system/device notifies */\
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union acpi_operand_object *Handler; /* Handler for Address space */
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typedef struct acpi_object_notify_common /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */
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{
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ACPI_OBJECT_COMMON_HEADER
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ACPI_COMMON_NOTIFY_INFO
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} ACPI_OBJECT_NOTIFY_COMMON;
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typedef struct acpi_object_device
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{
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ACPI_OBJECT_COMMON_HEADER
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ACPI_COMMON_NOTIFY_INFO
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ACPI_GPE_BLOCK_INFO *GpeBlock;
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} ACPI_OBJECT_DEVICE;
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typedef struct acpi_object_power_resource
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{
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ACPI_OBJECT_COMMON_HEADER
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ACPI_COMMON_NOTIFY_INFO
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UINT32 SystemLevel;
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UINT32 ResourceOrder;
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} ACPI_OBJECT_POWER_RESOURCE;
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typedef struct acpi_object_processor
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{
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ACPI_OBJECT_COMMON_HEADER
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/* The next two fields take advantage of the 3-byte space before NOTIFY_INFO */
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UINT8 ProcId;
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UINT8 Length;
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ACPI_COMMON_NOTIFY_INFO
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ACPI_IO_ADDRESS Address;
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} ACPI_OBJECT_PROCESSOR;
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typedef struct acpi_object_thermal_zone
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{
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ACPI_OBJECT_COMMON_HEADER
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ACPI_COMMON_NOTIFY_INFO
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} ACPI_OBJECT_THERMAL_ZONE;
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/******************************************************************************
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*
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* Fields. All share a common header/info field.
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*
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*****************************************************************************/
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/*
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* Common bitfield for the field objects
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* "Field Datum" -- a datum from the actual field object
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* "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field
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*/
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#define ACPI_COMMON_FIELD_INFO \
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UINT8 FieldFlags; /* Access, update, and lock bits */\
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UINT8 Attribute; /* From AccessAs keyword */\
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UINT8 AccessByteWidth; /* Read/Write size in bytes */\
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ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */\
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UINT32 BitLength; /* Length of field in bits */\
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UINT32 BaseByteOffset; /* Byte offset within containing object */\
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UINT32 Value; /* Value to store into the Bank or Index register */\
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UINT8 StartFieldBitOffset;/* Bit offset within first field datum (0-63) */\
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UINT8 AccessLength; /* For serial regions/fields */
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typedef struct acpi_object_field_common /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */
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{
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ACPI_OBJECT_COMMON_HEADER
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ACPI_COMMON_FIELD_INFO
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union acpi_operand_object *RegionObj; /* Parent Operation Region object (REGION/BANK fields only) */
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} ACPI_OBJECT_FIELD_COMMON;
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typedef struct acpi_object_region_field
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{
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ACPI_OBJECT_COMMON_HEADER
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ACPI_COMMON_FIELD_INFO
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UINT16 ResourceLength;
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union acpi_operand_object *RegionObj; /* Containing OpRegion object */
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UINT8 *ResourceBuffer; /* ResourceTemplate for serial regions/fields */
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UINT16 PinNumberIndex; /* Index relative to previous Connection/Template */
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} ACPI_OBJECT_REGION_FIELD;
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typedef struct acpi_object_bank_field
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{
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ACPI_OBJECT_COMMON_HEADER
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ACPI_COMMON_FIELD_INFO
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union acpi_operand_object *RegionObj; /* Containing OpRegion object */
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union acpi_operand_object *BankObj; /* BankSelect Register object */
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} ACPI_OBJECT_BANK_FIELD;
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typedef struct acpi_object_index_field
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{
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ACPI_OBJECT_COMMON_HEADER
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ACPI_COMMON_FIELD_INFO
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/*
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* No "RegionObj" pointer needed since the Index and Data registers
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* are each field definitions unto themselves.
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*/
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union acpi_operand_object *IndexObj; /* Index register */
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union acpi_operand_object *DataObj; /* Data register */
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} ACPI_OBJECT_INDEX_FIELD;
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/* The BufferField is different in that it is part of a Buffer, not an OpRegion */
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typedef struct acpi_object_buffer_field
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{
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ACPI_OBJECT_COMMON_HEADER
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ACPI_COMMON_FIELD_INFO
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union acpi_operand_object *BufferObj; /* Containing Buffer object */
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} ACPI_OBJECT_BUFFER_FIELD;
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/******************************************************************************
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*
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* Objects for handlers
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*
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*****************************************************************************/
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typedef struct acpi_object_notify_handler
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{
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ACPI_OBJECT_COMMON_HEADER
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ACPI_NAMESPACE_NODE *Node; /* Parent device */
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UINT32 HandlerType; /* Type: Device/System/Both */
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ACPI_NOTIFY_HANDLER Handler; /* Handler address */
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void *Context;
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union acpi_operand_object *Next[2]; /* Device and System handler lists */
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} ACPI_OBJECT_NOTIFY_HANDLER;
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typedef struct acpi_object_addr_handler
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{
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ACPI_OBJECT_COMMON_HEADER
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UINT8 SpaceId;
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UINT8 HandlerFlags;
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ACPI_ADR_SPACE_HANDLER Handler;
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ACPI_NAMESPACE_NODE *Node; /* Parent device */
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void *Context;
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ACPI_ADR_SPACE_SETUP Setup;
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union acpi_operand_object *RegionList; /* Regions using this handler */
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union acpi_operand_object *Next;
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} ACPI_OBJECT_ADDR_HANDLER;
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/* Flags for address handler (HandlerFlags) */
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#define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED 0x01
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/******************************************************************************
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*
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* Special internal objects
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*
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*****************************************************************************/
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/*
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* The Reference object is used for these opcodes:
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* Arg[0-6], Local[0-7], IndexOp, NameOp, RefOfOp, LoadOp, LoadTableOp, DebugOp
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* The Reference.Class differentiates these types.
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*/
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typedef struct acpi_object_reference
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{
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ACPI_OBJECT_COMMON_HEADER
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UINT8 Class; /* Reference Class */
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UINT8 TargetType; /* Used for Index Op */
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UINT8 Reserved;
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void *Object; /* NameOp=>HANDLE to obj, IndexOp=>ACPI_OPERAND_OBJECT */
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ACPI_NAMESPACE_NODE *Node; /* RefOf or Namepath */
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union acpi_operand_object **Where; /* Target of Index */
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UINT8 *IndexPointer; /* Used for Buffers and Strings */
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UINT32 Value; /* Used for Local/Arg/Index/DdbHandle */
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} ACPI_OBJECT_REFERENCE;
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/* Values for Reference.Class above */
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typedef enum
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{
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ACPI_REFCLASS_LOCAL = 0, /* Method local */
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ACPI_REFCLASS_ARG = 1, /* Method argument */
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ACPI_REFCLASS_REFOF = 2, /* Result of RefOf() TBD: Split to Ref/Node and Ref/OperandObj? */
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ACPI_REFCLASS_INDEX = 3, /* Result of Index() */
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ACPI_REFCLASS_TABLE = 4, /* DdbHandle - Load(), LoadTable() */
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ACPI_REFCLASS_NAME = 5, /* Reference to a named object */
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ACPI_REFCLASS_DEBUG = 6, /* Debug object */
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ACPI_REFCLASS_MAX = 6
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} ACPI_REFERENCE_CLASSES;
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/*
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* Extra object is used as additional storage for types that
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* have AML code in their declarations (TermArgs) that must be
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* evaluated at run time.
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*
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* Currently: Region and FieldUnit types
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*/
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typedef struct acpi_object_extra
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{
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ACPI_OBJECT_COMMON_HEADER
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ACPI_NAMESPACE_NODE *Method_REG; /* _REG method for this region (if any) */
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ACPI_NAMESPACE_NODE *ScopeNode;
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void *RegionContext; /* Region-specific data */
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UINT8 *AmlStart;
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UINT32 AmlLength;
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} ACPI_OBJECT_EXTRA;
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/* Additional data that can be attached to namespace nodes */
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typedef struct acpi_object_data
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{
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ACPI_OBJECT_COMMON_HEADER
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ACPI_OBJECT_HANDLER Handler;
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void *Pointer;
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} ACPI_OBJECT_DATA;
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/* Structure used when objects are cached for reuse */
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typedef struct acpi_object_cache_list
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{
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ACPI_OBJECT_COMMON_HEADER
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union acpi_operand_object *Next; /* Link for object cache and internal lists*/
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} ACPI_OBJECT_CACHE_LIST;
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/******************************************************************************
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*
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* ACPI_OPERAND_OBJECT Descriptor - a giant union of all of the above
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*
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*****************************************************************************/
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typedef union acpi_operand_object
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{
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ACPI_OBJECT_COMMON Common;
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ACPI_OBJECT_INTEGER Integer;
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ACPI_OBJECT_STRING String;
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ACPI_OBJECT_BUFFER Buffer;
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ACPI_OBJECT_PACKAGE Package;
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ACPI_OBJECT_EVENT Event;
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ACPI_OBJECT_METHOD Method;
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ACPI_OBJECT_MUTEX Mutex;
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ACPI_OBJECT_REGION Region;
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ACPI_OBJECT_NOTIFY_COMMON CommonNotify;
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ACPI_OBJECT_DEVICE Device;
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ACPI_OBJECT_POWER_RESOURCE PowerResource;
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ACPI_OBJECT_PROCESSOR Processor;
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ACPI_OBJECT_THERMAL_ZONE ThermalZone;
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ACPI_OBJECT_FIELD_COMMON CommonField;
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ACPI_OBJECT_REGION_FIELD Field;
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ACPI_OBJECT_BUFFER_FIELD BufferField;
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ACPI_OBJECT_BANK_FIELD BankField;
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ACPI_OBJECT_INDEX_FIELD IndexField;
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ACPI_OBJECT_NOTIFY_HANDLER Notify;
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ACPI_OBJECT_ADDR_HANDLER AddressSpace;
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ACPI_OBJECT_REFERENCE Reference;
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ACPI_OBJECT_EXTRA Extra;
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ACPI_OBJECT_DATA Data;
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ACPI_OBJECT_CACHE_LIST Cache;
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/*
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* Add namespace node to union in order to simplify code that accepts both
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* ACPI_OPERAND_OBJECTs and ACPI_NAMESPACE_NODEs. The structures share
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* a common DescriptorType field in order to differentiate them.
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*/
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ACPI_NAMESPACE_NODE Node;
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} ACPI_OPERAND_OBJECT;
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/******************************************************************************
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*
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|
* ACPI_DESCRIPTOR - objects that share a common descriptor identifier
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|
*
|
|
*****************************************************************************/
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/* Object descriptor types */
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#define ACPI_DESC_TYPE_CACHED 0x01 /* Used only when object is cached */
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#define ACPI_DESC_TYPE_STATE 0x02
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#define ACPI_DESC_TYPE_STATE_UPDATE 0x03
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#define ACPI_DESC_TYPE_STATE_PACKAGE 0x04
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#define ACPI_DESC_TYPE_STATE_CONTROL 0x05
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#define ACPI_DESC_TYPE_STATE_RPSCOPE 0x06
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#define ACPI_DESC_TYPE_STATE_PSCOPE 0x07
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#define ACPI_DESC_TYPE_STATE_WSCOPE 0x08
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#define ACPI_DESC_TYPE_STATE_RESULT 0x09
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#define ACPI_DESC_TYPE_STATE_NOTIFY 0x0A
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#define ACPI_DESC_TYPE_STATE_THREAD 0x0B
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#define ACPI_DESC_TYPE_WALK 0x0C
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#define ACPI_DESC_TYPE_PARSER 0x0D
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#define ACPI_DESC_TYPE_OPERAND 0x0E
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#define ACPI_DESC_TYPE_NAMED 0x0F
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|
#define ACPI_DESC_TYPE_MAX 0x0F
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|
|
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|
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typedef struct acpi_common_descriptor
|
|
{
|
|
void *CommonPointer;
|
|
UINT8 DescriptorType; /* To differentiate various internal objs */
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|
|
|
} ACPI_COMMON_DESCRIPTOR;
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|
|
|
typedef union acpi_descriptor
|
|
{
|
|
ACPI_COMMON_DESCRIPTOR Common;
|
|
ACPI_OPERAND_OBJECT Object;
|
|
ACPI_NAMESPACE_NODE Node;
|
|
ACPI_PARSE_OBJECT Op;
|
|
|
|
} ACPI_DESCRIPTOR;
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|
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#pragma pack()
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|
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#endif /* _ACOBJECT_H */
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