mirror of https://github.com/acidanthera/audk.git
149 lines
5.1 KiB
C
149 lines
5.1 KiB
C
/** @file
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This protocol provides some basic services to support publishing ACPI system tables. The
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services handle many of the more mundane tasks that are required to publish a set of tables. The
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services will:
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- Generate common tables.
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- Update the table links.
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- Ensure that tables are properly aligned and use correct types of memory.
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- Update checksum values and IDs.
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- Complete the final installation of the tables.
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Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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@par Revision Reference:
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This Protocol is defined in Framework ACPI Specification.
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Version 0.9.
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**/
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#ifndef _ACPI_SUPPORT_PROTOCOL_H_
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#define _ACPI_SUPPORT_PROTOCOL_H_
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#include <Protocol/AcpiSystemDescriptionTable.h>
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typedef struct _EFI_ACPI_SUPPORT_PROTOCOL EFI_ACPI_SUPPORT_PROTOCOL;
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//
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// ACPI Support Protocol GUID
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//
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#define EFI_ACPI_SUPPORT_GUID \
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{ \
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0xdbff9d55, 0x89b7, 0x46da, {0xbd, 0xdf, 0x67, 0x7d, 0x3d, 0xc0, 0x24, 0x1d } \
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}
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//
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// Protocol Member Functions
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//
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/**
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Returns a requested ACPI table.
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@param This A pointer to the EFI_ACPI_SUPPORT_PROTOCOL instance.
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@param Index The zero-based index of the table to retrieve.
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@param Table The pointer for returning the table buffer.
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@param Version Updated with the ACPI versions to which this table belongs.
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@param Handle The pointer for identifying the table.
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@retval EFI_SUCCESS The function completed successfully.
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@retval EFI_NOT_FOUND The requested index is too large and a table was not found.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_ACPI_GET_ACPI_TABLE)(
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IN EFI_ACPI_SUPPORT_PROTOCOL *This,
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IN INTN Index,
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OUT VOID **Table,
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OUT EFI_ACPI_TABLE_VERSION *Version,
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OUT UINTN *Handle
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);
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/**
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Used to add, remove, or update ACPI tables.
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@param This A pointer to the EFI_ACPI_SUPPORT_PROTOCOL instance.
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@param Table The pointer to the new table to add or update.
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@param Checksum If TRUE, indicates that the checksum should be
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calculated for this table.
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@param Version Indicates to which version(s) of ACPI the table should be added.
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@param Handle The pointer to the handle of the table to remove or update.
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@retval EFI_SUCCESS The function completed successfully.
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@retval EFI_INVALID_PARAMETER *Handle was zero and Table was NULL.
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@retval EFI_ABORTED Could not complete the desired action.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_ACPI_SET_ACPI_TABLE)(
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IN EFI_ACPI_SUPPORT_PROTOCOL *This,
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IN VOID *Table OPTIONAL,
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IN BOOLEAN Checksum,
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IN EFI_ACPI_TABLE_VERSION Version,
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IN OUT UINTN *Handle
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);
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/**
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Causes one or more versions of the ACPI tables to be published in
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the EFI system configuration tables.
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The PublishTables() function installs the ACPI tables for the versions that are specified in
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Version. No tables are published for Version equal to EFI_ACPI_VERSION_NONE. Once
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published, tables will continue to be updated as tables are modified with
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EFI_ACPI_SUPPORT_PROTOCOL.SetAcpiTable().
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@param This A pointer to the EFI_ACPI_SUPPORT_PROTOCOL instance.
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@param Version Indicates to which version(s) of ACPI the table should be published.
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@retval EFI_SUCCESS The function completed successfully.
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@retval EFI_ABORTED An error occurred and the function could not complete successfully.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_ACPI_PUBLISH_TABLES)(
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IN EFI_ACPI_SUPPORT_PROTOCOL *This,
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IN EFI_ACPI_TABLE_VERSION Version
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);
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//
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// ACPI Support Protocol
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//
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/**
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This protocol provides some basic services to support publishing ACPI system
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tables. The services handle many of the more mundane tasks that are required
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to publish a set of tables.
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**/
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struct _EFI_ACPI_SUPPORT_PROTOCOL {
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///
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/// Returns a table specified by an index if it exists.
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///
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EFI_ACPI_GET_ACPI_TABLE GetAcpiTable;
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///
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/// Adds, removes, or updates ACPI tables.
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///
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EFI_ACPI_SET_ACPI_TABLE SetAcpiTable;
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///
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/// Publishes the ACPI tables.
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///
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EFI_ACPI_PUBLISH_TABLES PublishTables;
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};
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//
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// Extern the GUID for protocol users.
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//
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extern EFI_GUID gEfiAcpiSupportProtocolGuid;
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#endif
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