mirror of https://github.com/acidanthera/audk.git
113 lines
3.5 KiB
C
113 lines
3.5 KiB
C
/*++
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Copyright (c) 2007, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. 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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Module Name:
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AcpiTable.h
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Abstract:
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ACPI Table Protocol from the UEFI 2.1 specification.
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This protocol may be used to install or remove an ACPI table from a platform.
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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 "Acpi.h"
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//
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// Global ID for the Acpi Table Protocol
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//
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#define EFI_ACPI_TABLE_PROTOCOL_GUID \
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{ \
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0xffe06bdd, 0x6107, 0x46a6, {0x7b, 0xb2, 0x5a, 0x9c, 0x7e, 0xc5, 0x27, 0x5c} \
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}
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EFI_FORWARD_DECLARATION (EFI_ACPI_TABLE_PROTOCOL);
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#define UEFI_ACPI_TABLE_SIGNATURE EFI_SIGNATURE_32 ('U', 'E', 'F', 'I')
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#pragma pack(1)
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typedef struct {
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EFI_ACPI_DESCRIPTION_HEADER Header;
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EFI_GUID Identifier;
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UINT16 DataOffset;
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} EFI_ACPI_TABLE;
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#pragma pack()
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typedef
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EFI_STATUS
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(EFIAPI *EFI_ACPI_TABLE_INSTALL_ACPI_TABLE) (
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IN EFI_ACPI_TABLE_PROTOCOL *This,
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IN VOID *AcpiTableBuffer,
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IN UINTN AcpiTableBufferSize,
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OUT UINTN *TableKey
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)
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/*++
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Routine Description:
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Installs an ACPI table into the RSDT/XSDT.
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Arguments:
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This - Protocol instance pointer.
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AcpiTableBuffer - A pointer to a buffer containing the ACPI table to be installed.
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AcpiTableBufferSize - Specifies the size, in bytes, of the AcpiTableBuffer buffer.
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TableKey - Reurns a key to refer to the ACPI table.
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Returns:
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EFI_SUCCESS - The table was successfully inserted.
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EFI_INVALID_PARAMETER - Either AcpiTableBuffer is NULL, TableKey is NULL, or AcpiTableBufferSize
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and the size field embedded in the ACPI table pointed to by AcpiTableBuffer
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are not in sync.
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EFI_OUT_OF_RESOURCES - Insufficient resources exist to complete the request.
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--*/
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;
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typedef
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EFI_STATUS
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(EFIAPI *EFI_ACPI_TABLE_UNINSTALL_ACPI_TABLE) (
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IN EFI_ACPI_TABLE_PROTOCOL *This,
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IN UINTN TableKey
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)
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/*++
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Routine Description:
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Removes an ACPI table from the RSDT/XSDT.
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Arguments:
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This - Protocol instance pointer.
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TableKey - Specifies the table to uninstall. The key was returned from InstallAcpiTable().
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Returns:
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EFI_SUCCESS - The table was successfully uninstalled.
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EFI_NOT_FOUND - TableKey does not refer to a valid key for a table entry.
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--*/
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;
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//
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// Interface structure for the ACPI Table Protocol
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//
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struct _EFI_ACPI_TABLE_PROTOCOL {
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EFI_ACPI_TABLE_INSTALL_ACPI_TABLE InstallAcpiTable;
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EFI_ACPI_TABLE_UNINSTALL_ACPI_TABLE UninstallAcpiTable;
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};
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extern EFI_GUID gEfiAcpiTableProtocolGuid;
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#endif
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