mirror of https://github.com/acidanthera/audk.git
98 lines
3.6 KiB
C
98 lines
3.6 KiB
C
/** @file
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This protocol may be used to install or remove an ACPI table from a platform.
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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: AcpiTable.h
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@par Revision Reference:
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ACPI Table Protocol from the UEFI 2.1 specification.
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**/
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#ifndef __ACPI_TABLE_H__
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#define __ACPI_TABLE_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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typedef struct _EFI_ACPI_TABLE_PROTOCOL EFI_ACPI_TABLE_PROTOCOL;
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#define UEFI_ACPI_TABLE_SIGNATURE EFI_SIGNATURE_32 ('U', 'E', 'F', 'I')
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/**
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Installs an ACPI table into the RSDT/XSDT.
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@param This Protocol instance pointer.
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@param AcpiTableBuffer A pointer to a buffer containing the ACPI table
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to be installed.
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@param AcpiTableBufferSize Specifies the size, in bytes, of the
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AcpiTableBuffer buffer.
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@param TableKey Reurns a key to refer to the ACPI table.
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@retval EFI_SUCCESS The table was successfully inserted.
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@retval EFI_INVALID_PARAMETER Either AcpiTableBuffer is NULL, TableKey is
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NULL, or AcpiTableBufferSize and the size field
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embedded in the ACPI table pointed to by
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AcpiTableBuffer are not in sync.
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@retval EFI_OUT_OF_RESOURCES Insufficient resources exist to complete the
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request.
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**/
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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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/**
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Removes an ACPI table from the RSDT/XSDT.
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@param This Protocol instance pointer.
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@param TableKey Specifies the table to uninstall. The key was
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returned from InstallAcpiTable().
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@retval EFI_SUCCESS The table was successfully uninstalled.
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@retval EFI_NOT_FOUND TableKey does not refer to a valid key for a
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table entry.
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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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//
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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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//
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// Extern the GUID for protocol users.
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//
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extern EFI_GUID gEfiAcpiTableProtocolGuid;
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#endif
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