/******************************************************************************
*
* Name: acobject.h - Definition of ACPI_OPERAND_OBJECT (Internal object only)
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#ifndef _ACOBJECT_H
#define _ACOBJECT_H
/* acpisrc:StructDefs -- for acpisrc conversion */
/*
* The 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.
*
* DescriptorType is used to differentiate between internal descriptors, and
* must be in the same place across all descriptors
*
* Note: The DescriptorType and Type fields must appear in the identical
* position in both the ACPI_NAMESPACE_NODE and ACPI_OPERAND_OBJECT
* structures.
*/
#define ACPI_OBJECT_COMMON_HEADER \
union acpi_operand_object *NextObject; /* Objects linked to parent NS node */\
UINT8 DescriptorType; /* To differentiate various internal objs */\
UINT8 Type; /* ACPI_OBJECT_TYPE */\
UINT16 ReferenceCount; /* For object deletion management */\
UINT8 Flags;
/*
* 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 0x01 /* Integer is an AML constant */
#define AOPOBJ_STATIC_POINTER 0x02 /* Data is part of an ACPI table, don't delete */
#define AOPOBJ_DATA_VALID 0x04 /* Object is intialized and data is valid */
#define AOPOBJ_OBJECT_INITIALIZED 0x08 /* Region is initialized, _REG was run */
#define AOPOBJ_SETUP_COMPLETE 0x10 /* Region setup is complete */
#define AOPOBJ_INVALID 0x20 /* Host OS won't allow a Region address */
#define AOPOBJ_MODULE_LEVEL 0x40 /* Method is actually module-level code */
#define AOPOBJ_MODIFIED_NAMESPACE 0x80 /* Method modified the namespace */
/******************************************************************************
*
* Basic data types
*
*****************************************************************************/
typedef struct acpi_object_common
{
ACPI_OBJECT_COMMON_HEADER
} ACPI_OBJECT_COMMON;
typedef struct acpi_object_integer
{
ACPI_OBJECT_COMMON_HEADER
UINT8 Fill[3]; /* Prevent warning on some compilers */
UINT64 Value;
} 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) \
_Type *Pointer; \
UINT32 Length;
typedef struct acpi_object_string /* Null terminated, ASCII characters only */
{
ACPI_OBJECT_COMMON_HEADER
ACPI_COMMON_BUFFER_INFO (char) /* String in AML stream or allocated string */
} ACPI_OBJECT_STRING;
typedef struct acpi_object_buffer
{
ACPI_OBJECT_COMMON_HEADER
ACPI_COMMON_BUFFER_INFO (UINT8) /* Buffer in AML stream or allocated buffer */
UINT32 AmlLength;
UINT8 *AmlStart;
ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */
} ACPI_OBJECT_BUFFER;
typedef struct acpi_object_package
{
ACPI_OBJECT_COMMON_HEADER
ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */
union acpi_operand_object **Elements; /* Array of pointers to AcpiObjects */
UINT8 *AmlStart;
UINT32 AmlLength;
UINT32 Count; /* # of elements in package */
} ACPI_OBJECT_PACKAGE;
/******************************************************************************
*
* Complex data types
*
*****************************************************************************/
typedef struct acpi_object_event
{
ACPI_OBJECT_COMMON_HEADER
ACPI_SEMAPHORE OsSemaphore; /* Actual OS synchronization object */
} ACPI_OBJECT_EVENT;
typedef struct acpi_object_mutex
{
ACPI_OBJECT_COMMON_HEADER
UINT8 SyncLevel; /* 0-15, specified in Mutex() call */
UINT16 AcquisitionDepth; /* Allow multiple Acquires, same thread */
ACPI_MUTEX OsMutex; /* Actual OS synchronization object */
ACPI_THREAD_ID ThreadId; /* Current owner of the mutex */
struct acpi_thread_state *OwnerThread; /* Current owner of the mutex */
union acpi_operand_object *Prev; /* Link for list of acquired mutexes */
union acpi_operand_object *Next; /* Link for list of acquired mutexes */
ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */
UINT8 OriginalSyncLevel; /* Owner's original sync level (0-15) */
} ACPI_OBJECT_MUTEX;
typedef struct acpi_object_region
{
ACPI_OBJECT_COMMON_HEADER
UINT8 SpaceId;
ACPI_NAMESPACE_NODE *Node; /* Containing namespace node */
union acpi_operand_object *Handler; /* Handler for region access */
union acpi_operand_object *Next;
ACPI_PHYSICAL_ADDRESS Address;
UINT32 Length;
} ACPI_OBJECT_REGION;
typedef struct acpi_object_method
{
ACPI_OBJECT_COMMON_HEADER
UINT8 MethodFlags;
UINT8 ParamCount;
UINT8 SyncLevel;
union acpi_operand_object *Mutex;
UINT8 *AmlStart;
union
{
ACPI_INTERNAL_METHOD Implementation;
union acpi_operand_object *Handler;
} Extra;
UINT32 AmlLength;
UINT8 ThreadCount;
ACPI_OWNER_ID OwnerId;
} ACPI_OBJECT_METHOD;
/******************************************************************************
*
* Objects that can be notified. All share a common NotifyInfo area.
*
*****************************************************************************/
/*
* Common fields for objects that support ASL notifications
*/
#define ACPI_COMMON_NOTIFY_INFO \
union acpi_operand_object *SystemNotify; /* Handler for system notifies */\
union acpi_operand_object *DeviceNotify; /* Handler for driver notifies */\
union acpi_operand_object *Handler; /* Handler for Address space */
typedef struct acpi_object_notify_common /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */
{
ACPI_OBJECT_COMMON_HEADER
ACPI_COMMON_NOTIFY_INFO
} ACPI_OBJECT_NOTIFY_COMMON;
typedef struct acpi_object_device
{
ACPI_OBJECT_COMMON_HEADER
ACPI_COMMON_NOTIFY_INFO
ACPI_GPE_BLOCK_INFO *GpeBlock;
} ACPI_OBJECT_DEVICE;
typedef struct acpi_object_power_resource
{
ACPI_OBJECT_COMMON_HEADER
ACPI_COMMON_NOTIFY_INFO
UINT32 SystemLevel;
UINT32 ResourceOrder;
} ACPI_OBJECT_POWER_RESOURCE;
typedef struct acpi_object_processor
{
ACPI_OBJECT_COMMON_HEADER
/* The next two fields take advantage of the 3-byte space before NOTIFY_INFO */
UINT8 ProcId;
UINT8 Length;
ACPI_COMMON_NOTIFY_INFO
ACPI_IO_ADDRESS Address;
} ACPI_OBJECT_PROCESSOR;
typedef struct acpi_object_thermal_zone
{
ACPI_OBJECT_COMMON_HEADER
ACPI_COMMON_NOTIFY_INFO
} 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 \
UINT8 FieldFlags; /* Access, update, and lock bits */\
UINT8 Attribute; /* From AccessAs keyword */\
UINT8 AccessByteWidth; /* Read/Write size in bytes */\
ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */\
UINT32 BitLength; /* Length of field in bits */\
UINT32 BaseByteOffset; /* Byte offset within containing object */\
UINT32 Value; /* Value to store into the Bank or Index register */\
UINT8 StartFieldBitOffset;/* Bit offset within first field datum (0-63) */\
typedef struct acpi_object_field_common /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */
{
ACPI_OBJECT_COMMON_HEADER
ACPI_COMMON_FIELD_INFO
union acpi_operand_object *RegionObj; /* Parent Operation Region object (REGION/BANK fields only) */
} ACPI_OBJECT_FIELD_COMMON;
typedef struct acpi_object_region_field
{
ACPI_OBJECT_COMMON_HEADER
ACPI_COMMON_FIELD_INFO
union acpi_operand_object *RegionObj; /* Containing OpRegion object */
} ACPI_OBJECT_REGION_FIELD;
typedef struct acpi_object_bank_field
{
ACPI_OBJECT_COMMON_HEADER
ACPI_COMMON_FIELD_INFO
union acpi_operand_object *RegionObj; /* Containing OpRegion object */
union acpi_operand_object *BankObj; /* BankSelect Register object */
} ACPI_OBJECT_BANK_FIELD;
typedef struct acpi_object_index_field
{
ACPI_OBJECT_COMMON_HEADER
ACPI_COMMON_FIELD_INFO
/*
* No "RegionObj" pointer needed since the Index and Data registers
* are each field definitions unto themselves.
*/
union acpi_operand_object *IndexObj; /* Index register */
union acpi_operand_object *DataObj; /* Data register */
} ACPI_OBJECT_INDEX_FIELD;
/* The BufferField is different in that it is part of a Buffer, not an OpRegion */
typedef struct acpi_object_buffer_field
{
ACPI_OBJECT_COMMON_HEADER
ACPI_COMMON_FIELD_INFO
union acpi_operand_object *BufferObj; /* Containing Buffer object */
} ACPI_OBJECT_BUFFER_FIELD;
/******************************************************************************
*
* Objects for handlers
*
*****************************************************************************/
typedef struct acpi_object_notify_handler
{
ACPI_OBJECT_COMMON_HEADER
ACPI_NAMESPACE_NODE *Node; /* Parent device */
ACPI_NOTIFY_HANDLER Handler;
void *Context;
} ACPI_OBJECT_NOTIFY_HANDLER;
typedef struct acpi_object_addr_handler
{
ACPI_OBJECT_COMMON_HEADER
UINT8 SpaceId;
UINT8 HandlerFlags;
ACPI_ADR_SPACE_HANDLER Handler;
ACPI_NAMESPACE_NODE *Node; /* Parent device */
void *Context;
ACPI_ADR_SPACE_SETUP Setup;
union acpi_operand_object *RegionList; /* regions using this handler */
union acpi_operand_object *Next;
} ACPI_OBJECT_ADDR_HANDLER;
/* Flags for address handler (HandlerFlags) */
#define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED 0x01
/******************************************************************************
*
* Special internal objects
*
*****************************************************************************/
/*
* The Reference object is used for these opcodes:
* Arg[0-6], Local[0-7], IndexOp, NameOp, RefOfOp, LoadOp, LoadTableOp, DebugOp
* The Reference.Class differentiates these types.
*/
typedef struct acpi_object_reference
{
ACPI_OBJECT_COMMON_HEADER
UINT8 Class; /* Reference Class */
UINT8 TargetType; /* Used for Index Op */
UINT8 Reserved;
void *Object; /* NameOp=>HANDLE to obj, IndexOp=>ACPI_OPERAND_OBJECT */
ACPI_NAMESPACE_NODE *Node; /* RefOf or Namepath */
union acpi_operand_object **Where; /* Target of Index */
UINT32 Value; /* Used for Local/Arg/Index/DdbHandle */
} ACPI_OBJECT_REFERENCE;
/* Values for Reference.Class above */
typedef enum
{
ACPI_REFCLASS_LOCAL = 0, /* Method local */
ACPI_REFCLASS_ARG = 1, /* Method argument */
ACPI_REFCLASS_REFOF = 2, /* Result of RefOf() TBD: Split to Ref/Node and Ref/OperandObj? */
ACPI_REFCLASS_INDEX = 3, /* Result of Index() */
ACPI_REFCLASS_TABLE = 4, /* DdbHandle - Load(), LoadTable() */
ACPI_REFCLASS_NAME = 5, /* Reference to a named object */
ACPI_REFCLASS_DEBUG = 6, /* Debug object */
ACPI_REFCLASS_MAX = 6
} ACPI_REFERENCE_CLASSES;
/*
* Extra object is used as additional storage for types that
* have AML code in their declarations (TermArgs) that must be
* evaluated at run time.
*
* Currently: Region and FieldUnit types
*/
typedef struct acpi_object_extra
{
ACPI_OBJECT_COMMON_HEADER
ACPI_NAMESPACE_NODE *Method_REG; /* _REG method for this region (if any) */
void *RegionContext; /* Region-specific data */
UINT8 *AmlStart;
UINT32 AmlLength;
} ACPI_OBJECT_EXTRA;
/* Additional data that can be attached to namespace nodes */
typedef struct acpi_object_data
{
ACPI_OBJECT_COMMON_HEADER
ACPI_OBJECT_HANDLER Handler;
void *Pointer;
} ACPI_OBJECT_DATA;
/* Structure used when objects are cached for reuse */
typedef struct acpi_object_cache_list
{
ACPI_OBJECT_COMMON_HEADER
union acpi_operand_object *Next; /* Link for object cache and internal lists*/
} ACPI_OBJECT_CACHE_LIST;
/******************************************************************************
*
* ACPI_OPERAND_OBJECT Descriptor - a giant union of all of the above
*
*****************************************************************************/
typedef union acpi_operand_object
{
ACPI_OBJECT_COMMON Common;
ACPI_OBJECT_INTEGER Integer;
ACPI_OBJECT_STRING String;
ACPI_OBJECT_BUFFER Buffer;
ACPI_OBJECT_PACKAGE Package;
ACPI_OBJECT_EVENT Event;
ACPI_OBJECT_METHOD Method;
ACPI_OBJECT_MUTEX Mutex;
ACPI_OBJECT_REGION Region;
ACPI_OBJECT_NOTIFY_COMMON CommonNotify;
ACPI_OBJECT_DEVICE Device;
ACPI_OBJECT_POWER_RESOURCE PowerResource;
ACPI_OBJECT_PROCESSOR Processor;
ACPI_OBJECT_THERMAL_ZONE ThermalZone;
ACPI_OBJECT_FIELD_COMMON CommonField;
ACPI_OBJECT_REGION_FIELD Field;
ACPI_OBJECT_BUFFER_FIELD BufferField;
ACPI_OBJECT_BANK_FIELD BankField;
ACPI_OBJECT_INDEX_FIELD IndexField;
ACPI_OBJECT_NOTIFY_HANDLER Notify;
ACPI_OBJECT_ADDR_HANDLER AddressSpace;
ACPI_OBJECT_REFERENCE Reference;
ACPI_OBJECT_EXTRA Extra;
ACPI_OBJECT_DATA Data;
ACPI_OBJECT_CACHE_LIST Cache;
/*
* Add namespace node to union in order to simplify code that accepts both
* ACPI_OPERAND_OBJECTs and ACPI_NAMESPACE_NODEs. The structures share
* a common DescriptorType field in order to differentiate them.
*/
ACPI_NAMESPACE_NODE Node;
} ACPI_OPERAND_OBJECT;
/******************************************************************************
*
* ACPI_DESCRIPTOR - objects that share a common descriptor identifier
*
*****************************************************************************/
/* Object descriptor types */
#define ACPI_DESC_TYPE_CACHED 0x01 /* Used only when object is cached */
#define ACPI_DESC_TYPE_STATE 0x02
#define ACPI_DESC_TYPE_STATE_UPDATE 0x03
#define ACPI_DESC_TYPE_STATE_PACKAGE 0x04
#define ACPI_DESC_TYPE_STATE_CONTROL 0x05
#define ACPI_DESC_TYPE_STATE_RPSCOPE 0x06
#define ACPI_DESC_TYPE_STATE_PSCOPE 0x07
#define ACPI_DESC_TYPE_STATE_WSCOPE 0x08
#define ACPI_DESC_TYPE_STATE_RESULT 0x09
#define ACPI_DESC_TYPE_STATE_NOTIFY 0x0A
#define ACPI_DESC_TYPE_STATE_THREAD 0x0B
#define ACPI_DESC_TYPE_WALK 0x0C
#define ACPI_DESC_TYPE_PARSER 0x0D
#define ACPI_DESC_TYPE_OPERAND 0x0E
#define ACPI_DESC_TYPE_NAMED 0x0F
#define ACPI_DESC_TYPE_MAX 0x0F
typedef struct acpi_common_descriptor
{
void *CommonPointer;
UINT8 DescriptorType; /* To differentiate various internal objs */
} ACPI_COMMON_DESCRIPTOR;
typedef union acpi_descriptor
{
ACPI_COMMON_DESCRIPTOR Common;
ACPI_OPERAND_OBJECT Object;
ACPI_NAMESPACE_NODE Node;
ACPI_PARSE_OBJECT Op;
} ACPI_DESCRIPTOR;
#pragma pack()
#endif /* _ACOBJECT_H */