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	https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
		
			
				
	
	
		
			235 lines
		
	
	
		
			7.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			235 lines
		
	
	
		
			7.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/** @file
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  ACPI Table Protocol Driver
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  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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  SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _ACPI_TABLE_H_
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#define _ACPI_TABLE_H_
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#include <PiDxe.h>
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#include <Protocol/AcpiTable.h>
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#include <Guid/Acpi.h>
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#include <Protocol/AcpiSystemDescriptionTable.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/PcdLib.h>
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//
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// Statements that include other files
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//
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#include <IndustryStandard/Acpi.h>
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#include "AcpiSdt.h"
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//
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// Great than or equal to 2.0.
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//
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#define ACPI_TABLE_VERSION_GTE_2_0 (EFI_ACPI_TABLE_VERSION_2_0  | \
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                                    EFI_ACPI_TABLE_VERSION_3_0  | \
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                                    EFI_ACPI_TABLE_VERSION_4_0  | \
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                                    EFI_ACPI_TABLE_VERSION_5_0)
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//
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// Private Driver Data
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//
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//
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// ACPI Table Linked List Signature.
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//
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#define EFI_ACPI_TABLE_LIST_SIGNATURE SIGNATURE_32 ('E', 'A', 'T', 'L')
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//
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// ACPI Table Linked List Entry definition.
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//
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//  Signature must be set to EFI_ACPI_TABLE_LIST_SIGNATURE
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//  Link is the linked list data.
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//  Version is the versions of the ACPI tables that this table belongs in.
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//  Table is a pointer to the table.
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//  PageAddress is the address of the pages allocated for the table.
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//  NumberOfPages is the number of pages allocated at PageAddress.
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//  Handle is used to identify a particular table.
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//
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typedef struct {
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  UINT32                  Signature;
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  LIST_ENTRY              Link;
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  EFI_ACPI_TABLE_VERSION  Version;
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  EFI_ACPI_COMMON_HEADER  *Table;
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  EFI_PHYSICAL_ADDRESS    PageAddress;
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  UINTN                   NumberOfPages;
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  UINTN                   Handle;
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} EFI_ACPI_TABLE_LIST;
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//
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// Containment record for ACPI Table linked list.
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//
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#define EFI_ACPI_TABLE_LIST_FROM_LINK(_link)  CR (_link, EFI_ACPI_TABLE_LIST, Link, EFI_ACPI_TABLE_LIST_SIGNATURE)
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//
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// The maximum number of tables this driver supports
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//
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#define EFI_ACPI_MAX_NUM_TABLES 20
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//
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// Protocol private structure definition
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//
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//
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// ACPI support protocol instance signature definition.
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//
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#define EFI_ACPI_TABLE_SIGNATURE  SIGNATURE_32 ('S', 'T', 'A', 'E')
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//
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// ACPI support protocol instance data structure
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//
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typedef struct {
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  UINTN                                         Signature;
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  EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER  *Rsdp1;                 // Pointer to RSD_PTR structure
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  EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER  *Rsdp3;                 // Pointer to RSD_PTR structure
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  EFI_ACPI_DESCRIPTION_HEADER                   *Rsdt1;                 // Pointer to RSDT table header
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  EFI_ACPI_DESCRIPTION_HEADER                   *Rsdt3;                 // Pointer to RSDT table header
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  EFI_ACPI_DESCRIPTION_HEADER                   *Xsdt;                  // Pointer to XSDT table header
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  EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE     *Fadt1;                 // Pointer to FADT table header
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  EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE     *Fadt3;                 // Pointer to FADT table header
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  EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE  *Facs1;                 // Pointer to FACS table header
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  EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE  *Facs3;                 // Pointer to FACS table header
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  EFI_ACPI_DESCRIPTION_HEADER                   *Dsdt1;                 // Pointer to DSDT table header
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  EFI_ACPI_DESCRIPTION_HEADER                   *Dsdt3;                 // Pointer to DSDT table header
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  LIST_ENTRY                                    TableList;
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  UINTN                                         NumberOfTableEntries1;  // Number of ACPI 1.0 tables
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  UINTN                                         NumberOfTableEntries3;  // Number of ACPI 3.0 tables
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  UINTN                                         CurrentHandle;
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  EFI_ACPI_TABLE_PROTOCOL                       AcpiTableProtocol;
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  EFI_ACPI_SDT_PROTOCOL                         AcpiSdtProtocol;
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  LIST_ENTRY                                    NotifyList;
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} EFI_ACPI_TABLE_INSTANCE;
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//
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// ACPI table protocol instance containing record macro
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//
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#define EFI_ACPI_TABLE_INSTANCE_FROM_THIS(a) \
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  CR (a, \
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      EFI_ACPI_TABLE_INSTANCE, \
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      AcpiTableProtocol, \
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      EFI_ACPI_TABLE_SIGNATURE \
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      )
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//
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// Protocol Constructor functions
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//
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/**
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  Constructor for the ACPI support protocol.  Initializes instance
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  data.
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  @param  AcpiTableInstance       Instance to construct
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  @return EFI_SUCCESS             Instance initialized.
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  @return EFI_OUT_OF_RESOURCES    Unable to allocate required resources.
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**/
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EFI_STATUS
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AcpiTableAcpiTableConstructor (
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  EFI_ACPI_TABLE_INSTANCE                 *AcpiTableInstance
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  );
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/**
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  Entry point of the ACPI table driver.
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  Creates and initializes an instance of the ACPI Table
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  Protocol and installs it on a new handle.
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  @param  ImageHandle   A handle for the image that is initializing this driver
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  @param  SystemTable   A pointer to the EFI system table
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  @return EFI_SUCCESS           Driver initialized successfully
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  @return EFI_LOAD_ERROR        Failed to Initialize or has been loaded
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  @return EFI_OUT_OF_RESOURCES  Could not allocate needed resources
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**/
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EFI_STATUS
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EFIAPI
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InitializeAcpiTableDxe (
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  IN EFI_HANDLE           ImageHandle,
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  IN EFI_SYSTEM_TABLE     *SystemTable
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  );
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/**
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  This function finds the table specified by the handle and returns a pointer to it.
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  If the handle is not found, EFI_NOT_FOUND is returned and the contents of Table are
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  undefined.
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  @param[in]  Handle      Table to find.
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  @param[in]  TableList   Table list to search
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  @param[out] Table       Pointer to table found.
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  @retval EFI_SUCCESS              The function completed successfully.
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  @retval EFI_NOT_FOUND            No table found matching the handle specified.
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**/
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EFI_STATUS
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FindTableByHandle (
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  IN UINTN                                Handle,
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  IN LIST_ENTRY                           *TableList,
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  OUT EFI_ACPI_TABLE_LIST                 **Table
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  );
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/**
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  This function calculates and updates an UINT8 checksum.
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  @param[in]  Buffer          Pointer to buffer to checksum
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  @param[in]  Size            Number of bytes to checksum
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  @param[in]  ChecksumOffset  Offset to place the checksum result in
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  @retval EFI_SUCCESS             The function completed successfully.
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**/
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EFI_STATUS
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AcpiPlatformChecksum (
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  IN VOID       *Buffer,
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  IN UINTN      Size,
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  IN UINTN      ChecksumOffset
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  );
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/**
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  This function invokes ACPI notification.
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  @param[in]  AcpiTableInstance          Instance to AcpiTable
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  @param[in]  Version                    Version(s) to set.
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  @param[in]  Handle                     Handle of the table.
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**/
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VOID
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SdtNotifyAcpiList (
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  IN EFI_ACPI_TABLE_INSTANCE   *AcpiTableInstance,
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  IN EFI_ACPI_TABLE_VERSION    Version,
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  IN UINTN                     Handle
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  );
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/**
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  This function initializes AcpiSdt protocol in ACPI table instance.
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  @param[in]  AcpiTableInstance       Instance to construct
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**/
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VOID
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SdtAcpiTableAcpiSdtConstructor (
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  IN EFI_ACPI_TABLE_INSTANCE   *AcpiTableInstance
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  );
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//
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// export PrivateData symbol, because we need that in AcpiSdtProtol implementation
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//
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extern EFI_HANDLE                mHandle;
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extern EFI_ACPI_TABLE_INSTANCE   *mPrivateData;
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#endif
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