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/** @file
ACPI Table Protocol Driver
Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _ACPI_TABLE_H_
#define _ACPI_TABLE_H_
#include <PiDxe.h>
#include <Protocol/AcpiTable.h>
#include <Guid/Acpi.h>
#include <Protocol/AcpiSystemDescriptionTable.h>
#include <Protocol/DxeSmmReadyToLock.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/PcdLib.h>
//
// Statements that include other files
//
#include <IndustryStandard/Acpi.h>
#include "AcpiSdt.h"
//
// From Protocol/AcpiSupport.h
//
//
// ACPI Version bitmap definition:
//
// EFI_ACPI_TABLE_VERSION_1_0B - ACPI Version 1.0b
// EFI_ACPI_TABLE_VERSION_2_0 - ACPI Version 2.0
// EFI_ACPI_TABLE_VERSION_3_0 - ACPI Version 3.0
// EFI_ACPI_TABLE_VERSION_NONE - No ACPI Versions. This might be used
// to create memory-based operation regions or other information
// that is not part of the ACPI "tree" but must still be found
// in ACPI memory space and/or managed by the core ACPI driver.
//
// Note that EFI provides discrete GUIDs for each version of ACPI
// that is supported. It is expected that each EFI GUIDed
// version of ACPI will also have a corresponding bitmap
// definition. This allows maintenance of separate ACPI trees
// for each distinctly different version of ACPI.
//
#define EFI_ACPI_TABLE_VERSION UINT32
#define EFI_ACPI_TABLE_VERSION_NONE (1 << 0)
#define EFI_ACPI_TABLE_VERSION_1_0B (1 << 1)
#define EFI_ACPI_TABLE_VERSION_2_0 (1 << 2)
#define EFI_ACPI_TABLE_VERSION_3_0 (1 << 3)
//
// Private Driver Data
//
//
// ACPI Table Linked List Signature.
//
#define EFI_ACPI_TABLE_LIST_SIGNATURE SIGNATURE_32 ('E', 'A', 'T', 'L')
//
// ACPI Table Linked List Entry definition.
//
// Signature must be set to EFI_ACPI_TABLE_LIST_SIGNATURE
// Link is the linked list data.
// Version is the versions of the ACPI tables that this table belongs in.
// Table is a pointer to the table.
// PageAddress is the address of the pages allocated for the table.
// NumberOfPages is the number of pages allocated at PageAddress.
// Handle is used to identify a particular table.
//
typedef struct {
UINT32 Signature;
LIST_ENTRY Link;
EFI_ACPI_TABLE_VERSION Version;
EFI_ACPI_COMMON_HEADER *Table;
EFI_PHYSICAL_ADDRESS PageAddress;
UINTN NumberOfPages;
UINTN Handle;
} EFI_ACPI_TABLE_LIST;
//
// Containment record for ACPI Table linked list.
//
#define EFI_ACPI_TABLE_LIST_FROM_LINK(_link) CR (_link, EFI_ACPI_TABLE_LIST, Link, EFI_ACPI_TABLE_LIST_SIGNATURE)
//
// The maximum number of tables this driver supports
//
#define EFI_ACPI_MAX_NUM_TABLES 20
//
// Protocol private structure definition
//
//
// ACPI support protocol instance signature definition.
//
#define EFI_ACPI_TABLE_SIGNATURE SIGNATURE_32 ('S', 'T', 'A', 'E')
//
// ACPI support protocol instance data structure
//
typedef struct {
UINTN Signature;
EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp1; // Pointer to RSD_PTR structure
EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp3; // Pointer to RSD_PTR structure
EFI_ACPI_DESCRIPTION_HEADER *Rsdt1; // Pointer to RSDT table header
EFI_ACPI_DESCRIPTION_HEADER *Rsdt3; // Pointer to RSDT table header
EFI_ACPI_DESCRIPTION_HEADER *Xsdt; // Pointer to XSDT table header
EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt1; // Pointer to FADT table header
EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt3; // Pointer to FADT table header
EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs1; // Pointer to FACS table header
EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs3; // Pointer to FACS table header
EFI_ACPI_DESCRIPTION_HEADER *Dsdt1; // Pointer to DSDT table header
EFI_ACPI_DESCRIPTION_HEADER *Dsdt3; // Pointer to DSDT table header
LIST_ENTRY TableList;
UINTN NumberOfTableEntries1; // Number of ACPI 1.0 tables
UINTN NumberOfTableEntries3; // Number of ACPI 3.0 tables
UINTN CurrentHandle;
BOOLEAN TablesInstalled1; // ACPI 1.0 tables published
BOOLEAN TablesInstalled3; // ACPI 3.0 tables published
EFI_ACPI_TABLE_PROTOCOL AcpiTableProtocol;
EFI_ACPI_SDT_PROTOCOL AcpiSdtProtocol;
LIST_ENTRY NotifyList;
} EFI_ACPI_TABLE_INSTANCE;
//
// ACPI table protocol instance containing record macro
//
#define EFI_ACPI_TABLE_INSTANCE_FROM_THIS(a) \
CR (a, \
EFI_ACPI_TABLE_INSTANCE, \
AcpiTableProtocol, \
EFI_ACPI_TABLE_SIGNATURE \
)
//
// Protocol Constructor functions
//
/**
Constructor for the ACPI support protocol. Initializes instance
data.
@param AcpiTableInstance Instance to construct
@return EFI_SUCCESS Instance initialized.
@return EFI_OUT_OF_RESOURCES Unable to allocate required resources.
**/
EFI_STATUS
AcpiTableAcpiTableConstructor (
EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance
);
/**
Entry point of the ACPI table driver.
Creates and initializes an instance of the ACPI Table
Protocol and installs it on a new handle.
@param ImageHandle A handle for the image that is initializing this driver
@param SystemTable A pointer to the EFI system table
@return EFI_SUCCESS Driver initialized successfully
@return EFI_LOAD_ERROR Failed to Initialize or has been loaded
@return EFI_OUT_OF_RESOURCES Could not allocate needed resources
**/
EFI_STATUS
EFIAPI
InitializeAcpiTableDxe (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
);
/**
This function finds the table specified by the handle and returns a pointer to it.
If the handle is not found, EFI_NOT_FOUND is returned and the contents of Table are
undefined.
@param[in] Handle Table to find.
@param[in] TableList Table list to search
@param[out] Table Pointer to table found.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_NOT_FOUND No table found matching the handle specified.
**/
EFI_STATUS
FindTableByHandle (
IN UINTN Handle,
IN LIST_ENTRY *TableList,
OUT EFI_ACPI_TABLE_LIST **Table
);
/**
This function calculates and updates an UINT8 checksum.
@param[in] Buffer Pointer to buffer to checksum
@param[in] Size Number of bytes to checksum
@param[in] ChecksumOffset Offset to place the checksum result in
@retval EFI_SUCCESS The function completed successfully.
**/
EFI_STATUS
AcpiPlatformChecksum (
IN VOID *Buffer,
IN UINTN Size,
IN UINTN ChecksumOffset
);
/**
This function invokes ACPI notification.
@param[in] AcpiTableInstance Instance to AcpiTable
@param[in] Version Version(s) to set.
@param[in] Handle Handle of the table.
**/
VOID
SdtNotifyAcpiList (
IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,
IN EFI_ACPI_TABLE_VERSION Version,
IN UINTN Handle
);
/**
This function initializes AcpiSdt protocol in ACPI table instance.
@param[in] AcpiTableInstance Instance to construct
**/
VOID
SdtAcpiTableAcpiSdtConstructor (
IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance
);
//
// export PrivateData symbol, because we need that in AcpiSdtProtol implementation
//
extern EFI_HANDLE mHandle;
extern EFI_ACPI_TABLE_INSTANCE *mPrivateData;
#endif
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