acnamesp.h

/******************************************************************************
 *
 * Name: acnamesp.h - Namespace subcomponent prototypes and defines
 *
 *****************************************************************************/

/******************************************************************************
 *
 * 1. Copyright Notice
 *
 * Some or all of this work - Copyright (c) 1999 - 2025, 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.
 *
 *****************************************************************************
 *
 * Alternatively, you may choose to be licensed under the terms of the
 * following license:
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Alternatively, you may choose to be licensed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 *****************************************************************************/

#ifndef __ACNAMESP_H__
#define __ACNAMESP_H__


/* To search the entire name space, pass this as SearchBase */

#define ACPI_NS_ALL                 ((ACPI_HANDLE)0)

/*
 * Elements of AcpiNsProperties are bit significant
 * and should be one-to-one with values of ACPI_OBJECT_TYPE
 */
#define ACPI_NS_NORMAL              0
#define ACPI_NS_NEWSCOPE            1   /* a definition of this type opens a name scope */
#define ACPI_NS_LOCAL               2   /* suppress search of enclosing scopes */

/* Flags for AcpiNsLookup, AcpiNsSearchAndEnter */

#define ACPI_NS_NO_UPSEARCH         0
#define ACPI_NS_SEARCH_PARENT       0x0001
#define ACPI_NS_DONT_OPEN_SCOPE     0x0002
#define ACPI_NS_NO_PEER_SEARCH      0x0004
#define ACPI_NS_ERROR_IF_FOUND      0x0008
#define ACPI_NS_PREFIX_IS_SCOPE     0x0010
#define ACPI_NS_EXTERNAL            0x0020
#define ACPI_NS_TEMPORARY           0x0040
#define ACPI_NS_OVERRIDE_IF_FOUND   0x0080
#define ACPI_NS_EARLY_INIT          0x0100
#define ACPI_NS_PREFIX_MUST_EXIST   0x0200

/* Flags for AcpiNsWalkNamespace */

#define ACPI_NS_WALK_NO_UNLOCK      0
#define ACPI_NS_WALK_UNLOCK         0x01
#define ACPI_NS_WALK_TEMP_NODES     0x02

/* Object is not a package element */

#define ACPI_NOT_PACKAGE_ELEMENT    ACPI_UINT32_MAX
#define ACPI_ALL_PACKAGE_ELEMENTS   (ACPI_UINT32_MAX-1)

/* Always emit warning message, not dependent on node flags */

#define ACPI_WARN_ALWAYS            0


/*
 * nsinit - Namespace initialization
 */
ACPI_STATUS
AcpiNsInitializeObjects (
    void);

ACPI_STATUS
AcpiNsInitializeDevices (
    UINT32                  Flags);

ACPI_STATUS
AcpiNsInitOnePackage (
    ACPI_HANDLE             ObjHandle,
    UINT32                  Level,
    void                    *Context,
    void                    **ReturnValue);

/*
 * nsload -  Namespace loading
 */
ACPI_STATUS
AcpiNsLoadNamespace (
    void);

ACPI_STATUS
AcpiNsLoadTable (
    UINT32                  TableIndex,
    ACPI_NAMESPACE_NODE     *Node);


/*
 * nswalk - walk the namespace
 */
ACPI_STATUS
AcpiNsWalkNamespace (
    ACPI_OBJECT_TYPE        Type,
    ACPI_HANDLE             StartObject,
    UINT32                  MaxDepth,
    UINT32                  Flags,
    ACPI_WALK_CALLBACK      DescendingCallback,
    ACPI_WALK_CALLBACK      AscendingCallback,
    void                    *Context,
    void                    **ReturnValue);

ACPI_NAMESPACE_NODE *
AcpiNsGetNextNode (
    ACPI_NAMESPACE_NODE     *Parent,
    ACPI_NAMESPACE_NODE     *Child);

ACPI_NAMESPACE_NODE *
AcpiNsGetNextNodeTyped (
    ACPI_OBJECT_TYPE        Type,
    ACPI_NAMESPACE_NODE     *Parent,
    ACPI_NAMESPACE_NODE     *Child);

/*
 * nsparse - table parsing
 */
ACPI_STATUS
AcpiNsParseTable (
    UINT32                  TableIndex,
    ACPI_NAMESPACE_NODE     *StartNode);

ACPI_STATUS
AcpiNsExecuteTable (
    UINT32                  TableIndex,
    ACPI_NAMESPACE_NODE     *StartNode);

ACPI_STATUS
AcpiNsOneCompleteParse (
    UINT32                  PassNumber,
    UINT32                  TableIndex,
    ACPI_NAMESPACE_NODE     *StartNode);


/*
 * nsaccess - Top-level namespace access
 */
ACPI_STATUS
AcpiNsRootInitialize (
    void);

ACPI_STATUS
AcpiNsLookup (
    ACPI_GENERIC_STATE      *ScopeInfo,
    char                    *Name,
    ACPI_OBJECT_TYPE        Type,
    ACPI_INTERPRETER_MODE   InterpreterMode,
    UINT32                  Flags,
    ACPI_WALK_STATE         *WalkState,
    ACPI_NAMESPACE_NODE     **RetNode);


/*
 * nsalloc - Named object allocation/deallocation
 */
ACPI_NAMESPACE_NODE *
AcpiNsCreateNode (
    UINT32                  Name);

void
AcpiNsDeleteNode (
    ACPI_NAMESPACE_NODE     *Node);

void
AcpiNsRemoveNode (
    ACPI_NAMESPACE_NODE     *Node);

void
AcpiNsDeleteNamespaceSubtree (
    ACPI_NAMESPACE_NODE     *ParentHandle);

void
AcpiNsDeleteNamespaceByOwner (
    ACPI_OWNER_ID           OwnerId);

void
AcpiNsDetachObject (
    ACPI_NAMESPACE_NODE     *Node);

void
AcpiNsDeleteChildren (
    ACPI_NAMESPACE_NODE     *Parent);

int
AcpiNsCompareNames (
    char                    *Name1,
    char                    *Name2);


/*
 * nsconvert - Dynamic object conversion routines
 */
ACPI_STATUS
AcpiNsConvertToInteger (
    ACPI_OPERAND_OBJECT     *OriginalObject,
    ACPI_OPERAND_OBJECT     **ReturnObject);

ACPI_STATUS
AcpiNsConvertToString (
    ACPI_OPERAND_OBJECT     *OriginalObject,
    ACPI_OPERAND_OBJECT     **ReturnObject);

ACPI_STATUS
AcpiNsConvertToBuffer (
    ACPI_OPERAND_OBJECT     *OriginalObject,
    ACPI_OPERAND_OBJECT     **ReturnObject);

ACPI_STATUS
AcpiNsConvertToUnicode (
    ACPI_NAMESPACE_NODE     *Scope,
    ACPI_OPERAND_OBJECT     *OriginalObject,
    ACPI_OPERAND_OBJECT     **ReturnObject);

ACPI_STATUS
AcpiNsConvertToResource (
    ACPI_NAMESPACE_NODE     *Scope,
    ACPI_OPERAND_OBJECT     *OriginalObject,
    ACPI_OPERAND_OBJECT     **ReturnObject);

ACPI_STATUS
AcpiNsConvertToReference (
    ACPI_NAMESPACE_NODE     *Scope,
    ACPI_OPERAND_OBJECT     *OriginalObject,
    ACPI_OPERAND_OBJECT     **ReturnObject);


/*
 * nsdump - Namespace dump/print utilities
 */
void
AcpiNsDumpTables (
    ACPI_HANDLE             SearchBase,
    UINT32                  MaxDepth);

void
AcpiNsDumpEntry (
    ACPI_HANDLE             Handle,
    UINT32                  DebugLevel);

void
AcpiNsDumpPathname (
    ACPI_HANDLE             Handle,
    const char              *Msg,
    UINT32                  Level,
    UINT32                  Component);

void
AcpiNsPrintPathname (
    UINT32                  NumSegments,
    const char              *Pathname);

ACPI_STATUS
AcpiNsDumpOneObject (
    ACPI_HANDLE             ObjHandle,
    UINT32                  Level,
    void                    *Context,
    void                    **ReturnValue);

void
AcpiNsDumpObjects (
    ACPI_OBJECT_TYPE        Type,
    UINT8                   DisplayType,
    UINT32                  MaxDepth,
    ACPI_OWNER_ID           OwnerId,
    ACPI_HANDLE             StartHandle);

void
AcpiNsDumpObjectPaths (
    ACPI_OBJECT_TYPE        Type,
    UINT8                   DisplayType,
    UINT32                  MaxDepth,
    ACPI_OWNER_ID           OwnerId,
    ACPI_HANDLE             StartHandle);


/*
 * nseval - Namespace evaluation functions
 */
ACPI_STATUS
AcpiNsEvaluate (
    ACPI_EVALUATE_INFO      *Info);


/*
 * nsarguments - Argument count/type checking for predefined/reserved names
 */
void
AcpiNsCheckArgumentCount (
    char                        *Pathname,
    ACPI_NAMESPACE_NODE         *Node,
    UINT32                      UserParamCount,
    const ACPI_PREDEFINED_INFO  *Info);

void
AcpiNsCheckAcpiCompliance (
    char                        *Pathname,
    ACPI_NAMESPACE_NODE         *Node,
    const ACPI_PREDEFINED_INFO  *Predefined);

void
AcpiNsCheckArgumentTypes (
    ACPI_EVALUATE_INFO          *Info);


/*
 * nspredef - Return value checking for predefined/reserved names
 */
ACPI_STATUS
AcpiNsCheckReturnValue (
    ACPI_NAMESPACE_NODE         *Node,
    ACPI_EVALUATE_INFO          *Info,
    UINT32                      UserParamCount,
    ACPI_STATUS                 ReturnStatus,
    ACPI_OPERAND_OBJECT         **ReturnObject);

ACPI_STATUS
AcpiNsCheckObjectType (
    ACPI_EVALUATE_INFO          *Info,
    ACPI_OPERAND_OBJECT         **ReturnObjectPtr,
    UINT32                      ExpectedBtypes,
    UINT32                      PackageIndex);


/*
 * nsprepkg - Validation of predefined name packages
 */
ACPI_STATUS
AcpiNsCheckPackage (
    ACPI_EVALUATE_INFO          *Info,
    ACPI_OPERAND_OBJECT         **ReturnObjectPtr);


/*
 * nsnames - Name and Scope manipulation
 */
UINT32
AcpiNsOpensScope (
    ACPI_OBJECT_TYPE        Type);

char *
AcpiNsGetExternalPathname (
    ACPI_NAMESPACE_NODE     *Node);

UINT32
AcpiNsBuildNormalizedPath (
    ACPI_NAMESPACE_NODE     *Node,
    char                    *FullPath,
    UINT32                  PathSize,
    BOOLEAN                 NoTrailing);

void
AcpiNsNormalizePathname (
    char                    *OriginalPath);

char *
AcpiNsGetNormalizedPathname (
    ACPI_NAMESPACE_NODE     *Node,
    BOOLEAN                 NoTrailing);

char *
AcpiNsBuildPrefixedPathname (
    ACPI_GENERIC_STATE      *PrefixScope,
    const char              *InternalPath);

char *
AcpiNsNameOfCurrentScope (
    ACPI_WALK_STATE         *WalkState);

ACPI_STATUS
AcpiNsHandleToName (
    ACPI_HANDLE             TargetHandle,
    ACPI_BUFFER             *Buffer);

ACPI_STATUS
AcpiNsHandleToPathname (
    ACPI_HANDLE             TargetHandle,
    ACPI_BUFFER             *Buffer,
    BOOLEAN                 NoTrailing);

BOOLEAN
AcpiNsPatternMatch (
    ACPI_NAMESPACE_NODE     *ObjNode,
    char                    *SearchFor);

ACPI_STATUS
AcpiNsGetNodeUnlocked (
    ACPI_NAMESPACE_NODE     *PrefixNode,
    const char              *ExternalPathname,
    UINT32                  Flags,
    ACPI_NAMESPACE_NODE     **OutNode);

ACPI_STATUS
AcpiNsGetNode (
    ACPI_NAMESPACE_NODE     *PrefixNode,
    const char              *ExternalPathname,
    UINT32                  Flags,
    ACPI_NAMESPACE_NODE     **OutNode);

ACPI_SIZE
AcpiNsGetPathnameLength (
    ACPI_NAMESPACE_NODE     *Node);


/*
 * nsobject - Object management for namespace nodes
 */
ACPI_STATUS
AcpiNsAttachObject (
    ACPI_NAMESPACE_NODE     *Node,
    ACPI_OPERAND_OBJECT     *Object,
    ACPI_OBJECT_TYPE        Type);

ACPI_OPERAND_OBJECT *
AcpiNsGetAttachedObject (
    ACPI_NAMESPACE_NODE     *Node);

ACPI_OPERAND_OBJECT *
AcpiNsGetSecondaryObject (
    ACPI_OPERAND_OBJECT     *ObjDesc);

ACPI_STATUS
AcpiNsAttachData (
    ACPI_NAMESPACE_NODE     *Node,
    ACPI_OBJECT_HANDLER     Handler,
    void                    *Data);

ACPI_STATUS
AcpiNsDetachData (
    ACPI_NAMESPACE_NODE     *Node,
    ACPI_OBJECT_HANDLER     Handler);

ACPI_STATUS
AcpiNsGetAttachedData (
    ACPI_NAMESPACE_NODE     *Node,
    ACPI_OBJECT_HANDLER     Handler,
    void                    **Data);


/*
 * nsrepair - General return object repair for all
 * predefined methods/objects
 */
ACPI_STATUS
AcpiNsSimpleRepair (
    ACPI_EVALUATE_INFO      *Info,
    UINT32                  ExpectedBtypes,
    UINT32                  PackageIndex,
    ACPI_OPERAND_OBJECT     **ReturnObjectPtr);

ACPI_STATUS
AcpiNsWrapWithPackage (
    ACPI_EVALUATE_INFO      *Info,
    ACPI_OPERAND_OBJECT     *OriginalObject,
    ACPI_OPERAND_OBJECT     **ObjDescPtr);

ACPI_STATUS
AcpiNsRepairNullElement (
    ACPI_EVALUATE_INFO      *Info,
    UINT32                  ExpectedBtypes,
    UINT32                  PackageIndex,
    ACPI_OPERAND_OBJECT     **ReturnObjectPtr);

void
AcpiNsRemoveNullElements (
    ACPI_EVALUATE_INFO      *Info,
    UINT8                   PackageType,
    ACPI_OPERAND_OBJECT     *ObjDesc);


/*
 * nsrepair2 - Return object repair for specific
 * predefined methods/objects
 */
ACPI_STATUS
AcpiNsComplexRepairs (
    ACPI_EVALUATE_INFO      *Info,
    ACPI_NAMESPACE_NODE     *Node,
    ACPI_STATUS             ValidateStatus,
    ACPI_OPERAND_OBJECT     **ReturnObjectPtr);


/*
 * nssearch - Namespace searching and entry
 */
ACPI_STATUS
AcpiNsSearchAndEnter (
    UINT32                  EntryName,
    ACPI_WALK_STATE         *WalkState,
    ACPI_NAMESPACE_NODE     *Node,
    ACPI_INTERPRETER_MODE   InterpreterMode,
    ACPI_OBJECT_TYPE        Type,
    UINT32                  Flags,
    ACPI_NAMESPACE_NODE     **RetNode);

ACPI_STATUS
AcpiNsSearchOneScope (
    UINT32                  EntryName,
    ACPI_NAMESPACE_NODE     *Node,
    ACPI_OBJECT_TYPE        Type,
    ACPI_NAMESPACE_NODE     **RetNode);

void
AcpiNsInstallNode (
    ACPI_WALK_STATE         *WalkState,
    ACPI_NAMESPACE_NODE     *ParentNode,
    ACPI_NAMESPACE_NODE     *Node,
    ACPI_OBJECT_TYPE        Type);


/*
 * nsutils - Utility functions
 */
ACPI_OBJECT_TYPE
AcpiNsGetType (
    ACPI_NAMESPACE_NODE     *Node);

UINT32
AcpiNsLocal (
    ACPI_OBJECT_TYPE        Type);

void
AcpiNsPrintNodePathname (
    ACPI_NAMESPACE_NODE     *Node,
    const char              *Msg);

ACPI_STATUS
AcpiNsBuildInternalName (
    ACPI_NAMESTRING_INFO    *Info);

void
AcpiNsGetInternalNameLength (
    ACPI_NAMESTRING_INFO    *Info);

ACPI_STATUS
AcpiNsInternalizeName (
    const char              *DottedName,
    char                    **ConvertedName);

ACPI_STATUS
AcpiNsExternalizeName (
    UINT32                  InternalNameLength,
    const char              *InternalName,
    UINT32                  *ConvertedNameLength,
    char                    **ConvertedName);

ACPI_NAMESPACE_NODE *
AcpiNsValidateHandle (
    ACPI_HANDLE             Handle);

void
AcpiNsTerminate (
    void);

#endif /* __ACNAMESP_H__ */