549 lines
20 KiB
C
549 lines
20 KiB
C
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/******************************************************************************
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*
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* Name: acobject.h - Definition of ACPI_OPERAND_OBJECT (Internal object only)
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* $Revision: 101 $
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*
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*****************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#ifndef _ACOBJECT_H
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#define _ACOBJECT_H
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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 them to be cached and reused.
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*
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* All variants of the ACPI_OPERAND_OBJECT are defined with the same
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* sequence of field types, with fields that are not used in a particular
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* variant being named "Reserved". This is not strictly necessary, but
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* may in some circumstances simplify understanding if these structures
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* need to be displayed in a debugger having limited (or no) support for
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* union types. It also simplifies some debug code in DumpTable() which
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* dumps multi-level values: fetching Buffer.Pointer suffices to pick up
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* the value or next level for any of several types.
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*/
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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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* DataType is used to differentiate between internal descriptors, and MUST
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* be the first byte in this structure.
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*/
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#define ACPI_OBJECT_COMMON_HEADER /* SIZE/ALIGNMENT: 32 bits, one ptr plus trailing 8-bit flag */\
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UINT8 DataType; /* 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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union acpi_operand_obj *NextObject; /* Objects linked to parent NS node */\
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UINT8 Flags; \
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/* Defines for flag byte above */
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#define AOPOBJ_STATIC_ALLOCATION 0x01
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#define AOPOBJ_STATIC_POINTER 0x02
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#define AOPOBJ_DATA_VALID 0x04
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#define AOPOBJ_OBJECT_INITIALIZED 0x08
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#define AOPOBJ_SETUP_COMPLETE 0x10
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#define AOPOBJ_SINGLE_DATUM 0x20
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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 /* SIZE/ALIGNMENT: 24 bits + three 32-bit values */\
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UINT8 FieldFlags; /* Access, update, and lock bits */\
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UINT16 BitLength; /* Length of field in bits */\
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UINT32 BaseByteOffset; /* Byte offset within containing object */\
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UINT8 AccessBitWidth; /* Read/Write size in bits (from ASL AccessType)*/\
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UINT8 AccessByteWidth; /* Read/Write size in bytes */\
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UINT8 Attribute ; /* From AccessAs keyword */\
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UINT8 StartFieldBitOffset;/* Bit offset within first field datum (0-63) */\
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UINT8 DatumValidBits; /* Valid bit in first "Field datum" */\
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UINT8 EndFieldValidBits; /* Valid bits in the last "field datum" */\
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UINT8 EndBufferValidBits; /* Valid bits in the last "buffer datum" */\
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UINT8 Reserved; /* Reserved for future use */\
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UINT32 Value; /* Value to store into the Bank or Index register */\
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ACPI_NAMESPACE_NODE *Node; /* Link back to parent node */
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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 \
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UINT32 Length;
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/******************************************************************************
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*
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* Individual Object Descriptors
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*
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*****************************************************************************/
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typedef struct /* 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 /* CACHE_LIST */
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{
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ACPI_OBJECT_COMMON_HEADER
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union acpi_operand_obj *Next; /* Link for object cache and internal lists*/
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} ACPI_OBJECT_CACHE_LIST;
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typedef struct /* NUMBER - has value */
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{
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ACPI_OBJECT_COMMON_HEADER
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ACPI_INTEGER Value;
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} ACPI_OBJECT_INTEGER;
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typedef struct /* STRING - has length and pointer - 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
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NATIVE_CHAR *Pointer; /* String value in AML stream or in allocated space */
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} ACPI_OBJECT_STRING;
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typedef struct /* BUFFER - has length and pointer - not null terminated */
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{
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ACPI_OBJECT_COMMON_HEADER
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ACPI_COMMON_BUFFER_INFO
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UINT8 *Pointer; /* Buffer value in AML stream or in allocated space */
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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 /* PACKAGE - has count, elements, next element */
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{
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ACPI_OBJECT_COMMON_HEADER
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UINT32 Count; /* # of elements in package */
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union acpi_operand_obj **Elements; /* Array of pointers to AcpiObjects */
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union acpi_operand_obj **NextElement; /* used only while initializing */
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} ACPI_OBJECT_PACKAGE;
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typedef struct /* DEVICE - has handle and notification handler/context */
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{
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ACPI_OBJECT_COMMON_HEADER
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union acpi_operand_obj *SysHandler; /* Handler for system notifies */
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union acpi_operand_obj *DrvHandler; /* Handler for driver notifies */
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union acpi_operand_obj *AddrHandler; /* Handler for Address space */
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} ACPI_OBJECT_DEVICE;
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typedef struct /* EVENT */
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{
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ACPI_OBJECT_COMMON_HEADER
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void *Semaphore;
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} ACPI_OBJECT_EVENT;
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#define INFINITE_CONCURRENCY 0xFF
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typedef struct /* METHOD */
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{
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ACPI_OBJECT_COMMON_HEADER
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UINT8 MethodFlags;
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UINT8 ParamCount;
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UINT32 AmlLength;
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void *Semaphore;
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UINT8 *AmlStart;
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UINT8 Concurrency;
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UINT8 ThreadCount;
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ACPI_OWNER_ID OwningId;
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} ACPI_OBJECT_METHOD;
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typedef struct acpi_obj_mutex /* MUTEX */
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{
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ACPI_OBJECT_COMMON_HEADER
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UINT16 SyncLevel;
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UINT16 AcquisitionDepth;
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struct acpi_thread_state *OwnerThread;
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void *Semaphore;
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union acpi_operand_obj *Prev; /* Link for list of acquired mutexes */
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union acpi_operand_obj *Next; /* Link for list of acquired mutexes */
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} ACPI_OBJECT_MUTEX;
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typedef struct /* REGION */
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{
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ACPI_OBJECT_COMMON_HEADER
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UINT8 SpaceId;
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UINT32 Length;
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ACPI_PHYSICAL_ADDRESS Address;
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union acpi_operand_obj *AddrHandler; /* Handler for system notifies */
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ACPI_NAMESPACE_NODE *Node; /* containing object */
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union acpi_operand_obj *Next;
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} ACPI_OBJECT_REGION;
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typedef struct /* POWER RESOURCE - has Handle and notification handler/context*/
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{
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ACPI_OBJECT_COMMON_HEADER
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UINT32 SystemLevel;
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UINT32 ResourceOrder;
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union acpi_operand_obj *SysHandler; /* Handler for system notifies */
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union acpi_operand_obj *DrvHandler; /* Handler for driver notifies */
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} ACPI_OBJECT_POWER_RESOURCE;
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typedef struct /* PROCESSOR - has Handle and notification handler/context*/
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{
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ACPI_OBJECT_COMMON_HEADER
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UINT32 ProcId;
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UINT32 Length;
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ACPI_IO_ADDRESS Address;
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union acpi_operand_obj *SysHandler; /* Handler for system notifies */
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union acpi_operand_obj *DrvHandler; /* Handler for driver notifies */
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union acpi_operand_obj *AddrHandler; /* Handler for Address space */
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} ACPI_OBJECT_PROCESSOR;
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typedef struct /* THERMAL ZONE - has Handle and Handler/Context */
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{
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ACPI_OBJECT_COMMON_HEADER
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union acpi_operand_obj *SysHandler; /* Handler for system notifies */
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union acpi_operand_obj *DrvHandler; /* Handler for driver notifies */
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union acpi_operand_obj *AddrHandler; /* Handler for Address space */
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} ACPI_OBJECT_THERMAL_ZONE;
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/*
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* Fields. All share a common header/info field.
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*/
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typedef struct /* 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_obj *RegionObj; /* Containing Operation Region object */
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/* (REGION/BANK fields only) */
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} ACPI_OBJECT_FIELD_COMMON;
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typedef struct /* 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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union acpi_operand_obj *RegionObj; /* Containing OpRegion object */
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} ACPI_OBJECT_REGION_FIELD;
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typedef struct /* 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_obj *RegionObj; /* Containing OpRegion object */
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union acpi_operand_obj *BankObj; /* BankSelect Register object */
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} ACPI_OBJECT_BANK_FIELD;
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typedef struct /* 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_obj *IndexObj; /* Index register */
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union acpi_operand_obj *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 /* 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_obj *BufferObj; /* Containing Buffer object */
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} ACPI_OBJECT_BUFFER_FIELD;
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/*
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* Handlers
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*/
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typedef struct /* 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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ACPI_NOTIFY_HANDLER Handler;
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void *Context;
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} ACPI_OBJECT_NOTIFY_HANDLER;
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/* Flags for address handler */
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#define ADDR_HANDLER_DEFAULT_INSTALLED 0x1
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typedef struct /* ADDRESS HANDLER */
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{
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ACPI_OBJECT_COMMON_HEADER
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UINT8 SpaceId;
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UINT16 Hflags;
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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_obj *RegionList; /* regions using this handler */
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union acpi_operand_obj *Next;
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} ACPI_OBJECT_ADDR_HANDLER;
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/*
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* The Reference object type is used for these opcodes:
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* Arg[0-6], Local[0-7], IndexOp, NameOp, ZeroOp, OneOp, OnesOp, DebugOp
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*/
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typedef struct /* Reference - Local object type */
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{
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ACPI_OBJECT_COMMON_HEADER
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UINT8 TargetType; /* Used for IndexOp */
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UINT16 Opcode;
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UINT32 Offset; /* Used for ArgOp, LocalOp, and IndexOp */
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void *Object; /* NameOp=>HANDLE to obj, IndexOp=>ACPI_OPERAND_OBJECT */
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ACPI_NAMESPACE_NODE *Node;
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union acpi_operand_obj **Where;
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} ACPI_OBJECT_REFERENCE;
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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 /* EXTRA */
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{
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ACPI_OBJECT_COMMON_HEADER
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UINT8 ByteFill1;
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UINT16 WordFill1;
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UINT32 AmlLength;
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UINT8 *AmlStart;
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ACPI_NAMESPACE_NODE *Method_REG; /* _REG method for this region (if any) */
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void *RegionContext; /* Region-specific data */
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} ACPI_OBJECT_EXTRA;
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typedef struct /* 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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/******************************************************************************
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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_obj
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{
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ACPI_OBJECT_COMMON Common;
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ACPI_OBJECT_CACHE_LIST Cache;
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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_BUFFER_FIELD BufferField;
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ACPI_OBJECT_DEVICE Device;
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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_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_BANK_FIELD BankField;
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ACPI_OBJECT_INDEX_FIELD IndexField;
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ACPI_OBJECT_REFERENCE Reference;
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ACPI_OBJECT_NOTIFY_HANDLER NotifyHandler;
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ACPI_OBJECT_ADDR_HANDLER AddrHandler;
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ACPI_OBJECT_EXTRA Extra;
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ACPI_OBJECT_DATA Data;
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} ACPI_OPERAND_OBJECT;
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#endif /* _ACOBJECT_H */
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