650 lines
24 KiB
C
650 lines
24 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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*
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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 - 2010, 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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/* 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 intialized 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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#define AOPOBJ_MODULE_LEVEL 0x40 /* Method is actually module-level code */
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#define AOPOBJ_MODIFIED_NAMESPACE 0x80 /* Method modified the namespace */
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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 Pointer
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* 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 MethodFlags;
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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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} Extra;
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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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/******************************************************************************
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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 *SystemNotify; /* Handler for system notifies */\
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union acpi_operand_object *DeviceNotify; /* Handler for driver 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 AccessBitWidth; /* Read/Write size in bits (8-64) */
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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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union acpi_operand_object *RegionObj; /* Containing OpRegion object */
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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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ACPI_NOTIFY_HANDLER Handler;
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void *Context;
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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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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;
|
|
|
|
|
|
/*
|
|
* 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 */
|