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 /******************************************************************************
  *
  * Module Name: tbxface - Public interfaces to the ACPI subsystem
  *                         ACPI table oriented interfaces
  *
  *****************************************************************************/
 
 /******************************************************************************
  *
  * 1. Copyright Notice
  *
  * Some or all of this work - Copyright (c) 1999 - 2009, 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.
  *
  *****************************************************************************/
 
 #define __TBXFACE_C__
 
 #include "acpi.h"
 #include "accommon.h"
 #include "acnamesp.h"
 #include "actables.h"
 
 #define _COMPONENT          ACPI_TABLES
         ACPI_MODULE_NAME    ("tbxface")
 
 /* Local prototypes */
 
 static ACPI_STATUS
 AcpiTbLoadNamespace (
     void);
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiAllocateRootTable
  *
  * PARAMETERS:  InitialTableCount   - Size of InitialTableArray, in number of
  *                                    ACPI_TABLE_DESC structures
  *
  * RETURN:      Status
  *
  * DESCRIPTION: Allocate a root table array. Used by iASL compiler and
  *              AcpiInitializeTables.
  *
  ******************************************************************************/
 
 ACPI_STATUS
 AcpiAllocateRootTable (
     UINT32                  InitialTableCount)
 {
 
     AcpiGbl_RootTableList.Size = InitialTableCount;
     AcpiGbl_RootTableList.Flags = ACPI_ROOT_ALLOW_RESIZE;
 
     return (AcpiTbResizeRootTableList ());
 }
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiInitializeTables
  *
  * PARAMETERS:  InitialTableArray   - Pointer to an array of pre-allocated
  *                                    ACPI_TABLE_DESC structures. If NULL, the
  *                                    array is dynamically allocated.
  *              InitialTableCount   - Size of InitialTableArray, in number of
  *                                    ACPI_TABLE_DESC structures
  *              AllowRealloc        - Flag to tell Table Manager if resize of
  *                                    pre-allocated array is allowed. Ignored
  *                                    if InitialTableArray is NULL.
  *
  * RETURN:      Status
  *
  * DESCRIPTION: Initialize the table manager, get the RSDP and RSDT/XSDT.
  *
  * NOTE:        Allows static allocation of the initial table array in order
  *              to avoid the use of dynamic memory in confined environments
  *              such as the kernel boot sequence where it may not be available.
  *
  *              If the host OS memory managers are initialized, use NULL for
  *              InitialTableArray, and the table will be dynamically allocated.
  *
  ******************************************************************************/
 
 ACPI_STATUS
 AcpiInitializeTables (
     ACPI_TABLE_DESC         *InitialTableArray,
     UINT32                  InitialTableCount,
     BOOLEAN                 AllowResize)
 {
     ACPI_PHYSICAL_ADDRESS   RsdpAddress;
     ACPI_STATUS             Status;
 
 
     ACPI_FUNCTION_TRACE (AcpiInitializeTables);
 
 
     /*
      * Set up the Root Table Array
      * Allocate the table array if requested
      */
     if (!InitialTableArray)
     {
         Status = AcpiAllocateRootTable (InitialTableCount);
         if (ACPI_FAILURE (Status))
         {
             return_ACPI_STATUS (Status);
         }
     }
     else
     {
         /* Root Table Array has been statically allocated by the host */
 
         ACPI_MEMSET (InitialTableArray, 0,
             (ACPI_SIZE) InitialTableCount * sizeof (ACPI_TABLE_DESC));
 
         AcpiGbl_RootTableList.Tables = InitialTableArray;
         AcpiGbl_RootTableList.Size = InitialTableCount;
         AcpiGbl_RootTableList.Flags = ACPI_ROOT_ORIGIN_UNKNOWN;
         if (AllowResize)
         {
             AcpiGbl_RootTableList.Flags |= ACPI_ROOT_ALLOW_RESIZE;
         }
     }
 
     /* Get the address of the RSDP */
 
     RsdpAddress = AcpiOsGetRootPointer ();
     if (!RsdpAddress)
     {
         return_ACPI_STATUS (AE_NOT_FOUND);
     }
 
     /*
      * Get the root table (RSDT or XSDT) and extract all entries to the local
      * Root Table Array. This array contains the information of the RSDT/XSDT
      * in a common, more useable format.
      */
     Status = AcpiTbParseRootTable (RsdpAddress);
     return_ACPI_STATUS (Status);
 }
 
 ACPI_EXPORT_SYMBOL (AcpiInitializeTables)
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiReallocateRootTable
  *
  * PARAMETERS:  None
  *
  * RETURN:      Status
  *
  * DESCRIPTION: Reallocate Root Table List into dynamic memory. Copies the
  *              root list from the previously provided scratch area. Should
  *              be called once dynamic memory allocation is available in the
  *              kernel
  *
  ******************************************************************************/
 
 ACPI_STATUS
 AcpiReallocateRootTable (
     void)
 {
     ACPI_TABLE_DESC         *Tables;
     ACPI_SIZE               NewSize;
 
 
     ACPI_FUNCTION_TRACE (AcpiReallocateRootTable);
 
 
     /*
      * Only reallocate the root table if the host provided a static buffer
      * for the table array in the call to AcpiInitializeTables.
      */
     if (AcpiGbl_RootTableList.Flags & ACPI_ROOT_ORIGIN_ALLOCATED)
     {
         return_ACPI_STATUS (AE_SUPPORT);
     }
 
     NewSize = ((ACPI_SIZE) AcpiGbl_RootTableList.Count +
                     ACPI_ROOT_TABLE_SIZE_INCREMENT) *
                 sizeof (ACPI_TABLE_DESC);
 
     /* Create new array and copy the old array */
 
     Tables = ACPI_ALLOCATE_ZEROED (NewSize);
     if (!Tables)
     {
         return_ACPI_STATUS (AE_NO_MEMORY);
     }
 
     ACPI_MEMCPY (Tables, AcpiGbl_RootTableList.Tables, NewSize);
 
     AcpiGbl_RootTableList.Size = AcpiGbl_RootTableList.Count;
     AcpiGbl_RootTableList.Tables = Tables;
     AcpiGbl_RootTableList.Flags =
         ACPI_ROOT_ORIGIN_ALLOCATED | ACPI_ROOT_ALLOW_RESIZE;
 
     return_ACPI_STATUS (AE_OK);
 }
 
 ACPI_EXPORT_SYMBOL (AcpiReallocateRootTable)
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiGetTableHeader
  *
  * PARAMETERS:  Signature           - ACPI signature of needed table
  *              Instance            - Which instance (for SSDTs)
  *              OutTableHeader      - The pointer to the table header to fill
  *
  * RETURN:      Status and pointer to mapped table header
  *
  * DESCRIPTION: Finds an ACPI table header.
  *
  * NOTE:        Caller is responsible in unmapping the header with
  *              AcpiOsUnmapMemory
  *
  ******************************************************************************/
 
 ACPI_STATUS
 AcpiGetTableHeader (
     char                    *Signature,
     UINT32                  Instance,
     ACPI_TABLE_HEADER       *OutTableHeader)
 {
     UINT32                  i;
     UINT32                  j;
     ACPI_TABLE_HEADER       *Header;
 
 
     /* Parameter validation */
 
     if (!Signature || !OutTableHeader)
     {
         return (AE_BAD_PARAMETER);
     }
 
     /* Walk the root table list */
 
     for (i = 0, j = 0; i < AcpiGbl_RootTableList.Count; i++)
     {
         if (!ACPI_COMPARE_NAME (&(AcpiGbl_RootTableList.Tables[i].Signature),
                     Signature))
         {
             continue;
         }
 
         if (++j < Instance)
         {
             continue;
         }
 
         if (!AcpiGbl_RootTableList.Tables[i].Pointer)
         {
             if ((AcpiGbl_RootTableList.Tables[i].Flags &
                     ACPI_TABLE_ORIGIN_MASK) ==
                 ACPI_TABLE_ORIGIN_MAPPED)
             {
                 Header = AcpiOsMapMemory (
                             AcpiGbl_RootTableList.Tables[i].Address,
                             sizeof (ACPI_TABLE_HEADER));
                 if (!Header)
                 {
                     return AE_NO_MEMORY;
                 }
 
                 ACPI_MEMCPY (OutTableHeader, Header, sizeof(ACPI_TABLE_HEADER));
                 AcpiOsUnmapMemory (Header, sizeof(ACPI_TABLE_HEADER));
             }
             else
             {
                 return AE_NOT_FOUND;
             }
         }
         else
         {
             ACPI_MEMCPY (OutTableHeader,
                 AcpiGbl_RootTableList.Tables[i].Pointer,
                 sizeof(ACPI_TABLE_HEADER));
         }
 
         return (AE_OK);
     }
 
     return (AE_NOT_FOUND);
 }
 
 ACPI_EXPORT_SYMBOL (AcpiGetTableHeader)
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiGetTable
  *
  * PARAMETERS:  Signature           - ACPI signature of needed table
  *              Instance            - Which instance (for SSDTs)
  *              OutTable            - Where the pointer to the table is returned
  *
  * RETURN:      Status and pointer to table
  *
  * DESCRIPTION: Finds and verifies an ACPI table.
  *
  ******************************************************************************/
 
 ACPI_STATUS
 AcpiGetTable (
     char                    *Signature,
     UINT32                  Instance,
     ACPI_TABLE_HEADER       **OutTable)
 {
     UINT32                  i;
     UINT32                  j;
     ACPI_STATUS             Status;
 
 
     /* Parameter validation */
 
     if (!Signature || !OutTable)
     {
         return (AE_BAD_PARAMETER);
     }
 
     /* Walk the root table list */
 
     for (i = 0, j = 0; i < AcpiGbl_RootTableList.Count; i++)
     {
         if (!ACPI_COMPARE_NAME (&(AcpiGbl_RootTableList.Tables[i].Signature),
                 Signature))
         {
             continue;
         }
 
         if (++j < Instance)
         {
             continue;
         }
 
         Status = AcpiTbVerifyTable (&AcpiGbl_RootTableList.Tables[i]);
         if (ACPI_SUCCESS (Status))
         {
             *OutTable = AcpiGbl_RootTableList.Tables[i].Pointer;
         }
 
         return (Status);
     }
 
     return (AE_NOT_FOUND);
 }
 
 ACPI_EXPORT_SYMBOL (AcpiGetTable)
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiGetTableByIndex
  *
  * PARAMETERS:  TableIndex          - Table index
  *              Table               - Where the pointer to the table is returned
  *
  * RETURN:      Status and pointer to the table
  *
  * DESCRIPTION: Obtain a table by an index into the global table list.
  *
  ******************************************************************************/
 
 ACPI_STATUS
 AcpiGetTableByIndex (
     UINT32                  TableIndex,
     ACPI_TABLE_HEADER       **Table)
 {
     ACPI_STATUS             Status;
 
 
     ACPI_FUNCTION_TRACE (AcpiGetTableByIndex);
 
 
     /* Parameter validation */
 
     if (!Table)
     {
         return_ACPI_STATUS (AE_BAD_PARAMETER);
     }
 
     (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
 
     /* Validate index */
 
     if (TableIndex >= AcpiGbl_RootTableList.Count)
     {
         (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
         return_ACPI_STATUS (AE_BAD_PARAMETER);
     }
 
     if (!AcpiGbl_RootTableList.Tables[TableIndex].Pointer)
     {
         /* Table is not mapped, map it */
 
         Status = AcpiTbVerifyTable (&AcpiGbl_RootTableList.Tables[TableIndex]);
         if (ACPI_FAILURE (Status))
         {
             (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
             return_ACPI_STATUS (Status);
         }
     }
 
     *Table = AcpiGbl_RootTableList.Tables[TableIndex].Pointer;
     (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
     return_ACPI_STATUS (AE_OK);
 }
 
 ACPI_EXPORT_SYMBOL (AcpiGetTableByIndex)
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiTbLoadNamespace
  *
  * PARAMETERS:  None
  *
  * RETURN:      Status
  *
  * DESCRIPTION: Load the namespace from the DSDT and all SSDTs/PSDTs found in
  *              the RSDT/XSDT.
  *
  ******************************************************************************/
 
 static ACPI_STATUS
 AcpiTbLoadNamespace (
     void)
 {
     ACPI_STATUS             Status;
     UINT32                  i;
 
 
     ACPI_FUNCTION_TRACE (TbLoadNamespace);
 
 
     (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
 
     /*
      * Load the namespace. The DSDT is required, but any SSDT and PSDT tables
      * are optional.
      */
     if (!AcpiGbl_RootTableList.Count ||
         !ACPI_COMPARE_NAME (
             &(AcpiGbl_RootTableList.Tables[ACPI_TABLE_INDEX_DSDT].Signature),
             ACPI_SIG_DSDT) ||
         ACPI_FAILURE (AcpiTbVerifyTable (
             &AcpiGbl_RootTableList.Tables[ACPI_TABLE_INDEX_DSDT])))
     {
         Status = AE_NO_ACPI_TABLES;
         goto UnlockAndExit;
     }
 
     /* A valid DSDT is required */
 
     Status = AcpiTbVerifyTable (
         &AcpiGbl_RootTableList.Tables[ACPI_TABLE_INDEX_DSDT]);
     if (ACPI_FAILURE (Status))
     {
         Status = AE_NO_ACPI_TABLES;
         goto UnlockAndExit;
     }
 
     (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
 
     /* Load and parse tables */
 
     Status = AcpiNsLoadTable (ACPI_TABLE_INDEX_DSDT, AcpiGbl_RootNode);
     if (ACPI_FAILURE (Status))
     {
         return_ACPI_STATUS (Status);
     }
 
     /* Load any SSDT or PSDT tables. Note: Loop leaves tables locked */
 
     (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
     for (i = 0; i < AcpiGbl_RootTableList.Count; ++i)
     {
         if ((!ACPI_COMPARE_NAME (&(AcpiGbl_RootTableList.Tables[i].Signature),
                     ACPI_SIG_SSDT) &&
              !ACPI_COMPARE_NAME (&(AcpiGbl_RootTableList.Tables[i].Signature),
                     ACPI_SIG_PSDT)) ||
              ACPI_FAILURE (AcpiTbVerifyTable (
                 &AcpiGbl_RootTableList.Tables[i])))
         {
             continue;
         }
 
         /* Ignore errors while loading tables, get as many as possible */
 
         (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
         (void) AcpiNsLoadTable (i, AcpiGbl_RootNode);
         (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
     }
 
     ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "ACPI Tables successfully acquired\n"));
 
 UnlockAndExit:
     (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
     return_ACPI_STATUS (Status);
 }
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiLoadTables
  *
  * PARAMETERS:  None
  *
  * RETURN:      Status
  *
  * DESCRIPTION: Load the ACPI tables from the RSDT/XSDT
  *
  ******************************************************************************/
 
 ACPI_STATUS
 AcpiLoadTables (
     void)
 {
     ACPI_STATUS             Status;
 
 
     ACPI_FUNCTION_TRACE (AcpiLoadTables);
 
 
     /* Load the namespace from the tables */
 
     Status = AcpiTbLoadNamespace ();
     if (ACPI_FAILURE (Status))
     {
         ACPI_EXCEPTION ((AE_INFO, Status,
             "While loading namespace from ACPI tables"));
     }
 
     return_ACPI_STATUS (Status);
 }
 
 ACPI_EXPORT_SYMBOL (AcpiLoadTables)
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiInstallTableHandler
  *
  * PARAMETERS:  Handler         - Table event handler
  *              Context         - Value passed to the handler on each event
  *
  * RETURN:      Status
  *
  * DESCRIPTION: Install table event handler
  *
  ******************************************************************************/
 
 ACPI_STATUS
 AcpiInstallTableHandler (
     ACPI_TABLE_HANDLER      Handler,
     void                    *Context)
 {
     ACPI_STATUS             Status;
 
 
     ACPI_FUNCTION_TRACE (AcpiInstallTableHandler);
 
 
     if (!Handler)
     {
         return_ACPI_STATUS (AE_BAD_PARAMETER);
     }
 
     Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
     if (ACPI_FAILURE (Status))
     {
         return_ACPI_STATUS (Status);
     }
 
     /* Don't allow more than one handler */
 
     if (AcpiGbl_TableHandler)
     {
         Status = AE_ALREADY_EXISTS;
         goto Cleanup;
     }
 
     /* Install the handler */
 
     AcpiGbl_TableHandler = Handler;
     AcpiGbl_TableHandlerContext = Context;
 
 Cleanup:
     (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
     return_ACPI_STATUS (Status);
 }
 
 ACPI_EXPORT_SYMBOL (AcpiInstallTableHandler)
 
 
 /*******************************************************************************
  *
  * FUNCTION:    AcpiRemoveTableHandler
  *
  * PARAMETERS:  Handler         - Table event handler that was installed
  *                                previously.
  *
  * RETURN:      Status
  *
  * DESCRIPTION: Remove table event handler
  *
  ******************************************************************************/
 
 ACPI_STATUS
 AcpiRemoveTableHandler (
     ACPI_TABLE_HANDLER      Handler)
 {
     ACPI_STATUS             Status;
 
 
     ACPI_FUNCTION_TRACE (AcpiRemoveTableHandler);
 
 
     Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
     if (ACPI_FAILURE (Status))
     {
         return_ACPI_STATUS (Status);
     }
 
     /* Make sure that the installed handler is the same */
 
     if (!Handler ||
         Handler != AcpiGbl_TableHandler)
     {
         Status = AE_BAD_PARAMETER;
         goto Cleanup;
     }
 
     /* Remove the handler */
 
     AcpiGbl_TableHandler = NULL;
 
 Cleanup:
     (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
     return_ACPI_STATUS (Status);
 }
 
 ACPI_EXPORT_SYMBOL (AcpiRemoveTableHandler)