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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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