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/** @file
ACPI Table Protocol Driver
Copyright (c) 2006 - 2021, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _ACPI_TABLE_H_
#define _ACPI_TABLE_H_
#include <PiDxe.h>
#include <Protocol/AcpiTable.h>
#include <Guid/Acpi.h>
#include <Protocol/AcpiSystemDescriptionTable.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>
#include <Library/HobLib.h>
#include <UniversalPayload/AcpiTable.h>
//
// Statements that include other files
//
#include <IndustryStandard/Acpi.h>
#include "AcpiSdt.h"
//
// Great than or equal to 2.0.
//
#define ACPI_TABLE_VERSION_GTE_2_0 (EFI_ACPI_TABLE_VERSION_2_0 |\
EFI_ACPI_TABLE_VERSION_3_0 | \
EFI_ACPI_TABLE_VERSION_4_0 | \
EFI_ACPI_TABLE_VERSION_5_0)
//
// 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.
// TableSize is the size of the table
// Handle is used to identify a particular table.
// PoolAllocation carries the allocation type:
// FALSE: Table points to EFI_SIZE_TO_PAGES(TableSize) pages allocated using
// gBS->AllocatePages ()
// TRUE: Table points to TableSize bytes allocated using gBS->AllocatePool ()
//
typedef struct {
UINT32 Signature;
LIST_ENTRY Link;
EFI_ACPI_TABLE_VERSION Version;
EFI_ACPI_COMMON_HEADER *Table;
UINTN TableSize;
UINTN Handle;
BOOLEAN PoolAllocation;
} 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;
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 \
)
//
// ACPI HOB produced by silicon initialization code will provide the RSDP structure.
//
typedef struct {
EFI_PHYSICAL_ADDRESS Rsdp;
} ACPI_SILICON_HOB;
//
// 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
);
/**
Returns a requested ACPI table.
The following structures are not considered elements in the list of
ACPI tables:
- Root System Description Pointer (RSD_PTR)
- Root System Description Table (RSDT)
- Extended System Description Table (XSDT)
Version is updated with a bit map containing all the versions of ACPI of which the table is a
member. For tables installed via the EFI_ACPI_TABLE_PROTOCOL.InstallAcpiTable() interface,
the function returns the value of EFI_ACPI_STD_PROTOCOL.AcpiVersion.
@param[in] AcpiTableInstance ACPI table Instance.
@param[in] Index The zero-based index of the table to retrieve.
@param[out] Table Pointer for returning the table buffer.
@param[out] Version On return, updated with the ACPI versions to which this table belongs. Type
EFI_ACPI_TABLE_VERSION is defined in "Related Definitions" in the
EFI_ACPI_SDT_PROTOCOL.
@param[out] TableKey On return, points to the table key for the specified ACPI system definition table.
This is identical to the table key used in the EFI_ACPI_TABLE_PROTOCOL.
The TableKey can be passed to EFI_ACPI_TABLE_PROTOCOL.UninstallAcpiTable()
to uninstall the table.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_NOT_FOUND The requested index is too large and a table was not found.
**/
EFI_STATUS
SdtGetAcpiTable (
IN EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance,
IN UINTN Index,
OUT EFI_ACPI_SDT_HEADER **Table,
OUT EFI_ACPI_TABLE_VERSION *Version,
OUT UINTN *TableKey
);
//
// 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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