mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-30 12:43:41 +01:00
125 lines
4.5 KiB
C
125 lines
4.5 KiB
C
/** @file
|
|
The file provides the protocol to install or remove an ACPI
|
|
table from a platform.
|
|
|
|
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
@par Revision Reference:
|
|
This Protocol was introduced in UEFI Specification 2.3.
|
|
|
|
**/
|
|
|
|
#ifndef __ACPI_TABLE_H___
|
|
#define __ACPI_TABLE_H___
|
|
|
|
#define EFI_ACPI_TABLE_PROTOCOL_GUID \
|
|
{ 0xffe06bdd, 0x6107, 0x46a6, { 0x7b, 0xb2, 0x5a, 0x9c, 0x7e, 0xc5, 0x27, 0x5c }}
|
|
|
|
|
|
typedef struct _EFI_ACPI_TABLE_PROTOCOL EFI_ACPI_TABLE_PROTOCOL;
|
|
|
|
/**
|
|
|
|
The InstallAcpiTable() function allows a caller to install an
|
|
ACPI table. When successful, the table will be linked by the
|
|
RSDT/XSDT. AcpiTableBuffer specifies the table to be installed.
|
|
InstallAcpiTable() will make a copy of the table and insert the
|
|
copy into the RSDT/XSDT. InstallAcpiTable() must insert the new
|
|
table at the end of the RSDT/XSDT. To prevent namespace
|
|
collision, ACPI tables may be created using UEFI ACPI table
|
|
format. If this protocol is used to install a table with a
|
|
signature already present in the system, the new table will not
|
|
replace the existing table. It is a platform implementation
|
|
decision to add a new table with a signature matching an
|
|
existing table or disallow duplicate table signatures and
|
|
return EFI_ACCESS_DENIED. On successful output, TableKey is
|
|
initialized with a unique key. Its value may be used in a
|
|
subsequent call to UninstallAcpiTable to remove an ACPI table.
|
|
If an EFI application is running at the time of this call, the
|
|
relevant EFI_CONFIGURATION_TABLE pointer to the RSDT is no
|
|
longer considered valid.
|
|
|
|
|
|
@param This A pointer to a EFI_ACPI_TABLE_PROTOCOL.
|
|
|
|
@param AcpiTableBuffer A pointer to a buffer containing the
|
|
ACPI table to be installed.
|
|
|
|
@param AcpiTableBufferSize Specifies the size, in bytes, of
|
|
the AcpiTableBuffer buffer.
|
|
|
|
|
|
@param TableKey Returns a key to refer to the ACPI table.
|
|
|
|
@retval EFI_SUCCESS The table was successfully inserted
|
|
|
|
@retval EFI_INVALID_PARAMETER Either AcpiTableBuffer is NULL,
|
|
TableKey is NULL, or
|
|
AcpiTableBufferSize and the size
|
|
field embedded in the ACPI table
|
|
pointed to by AcpiTableBuffer
|
|
are not in sync.
|
|
|
|
@retval EFI_OUT_OF_RESOURCES Insufficient resources exist to
|
|
complete the request.
|
|
@retval EFI_ACCESS_DENIED The table signature matches a table already
|
|
present in the system and platform policy
|
|
does not allow duplicate tables of this type.
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EFI_ACPI_TABLE_INSTALL_ACPI_TABLE)(
|
|
IN EFI_ACPI_TABLE_PROTOCOL *This,
|
|
IN VOID *AcpiTableBuffer,
|
|
IN UINTN AcpiTableBufferSize,
|
|
OUT UINTN *TableKey
|
|
);
|
|
|
|
|
|
/**
|
|
|
|
The UninstallAcpiTable() function allows a caller to remove an
|
|
ACPI table. The routine will remove its reference from the
|
|
RSDT/XSDT. A table is referenced by the TableKey parameter
|
|
returned from a prior call to InstallAcpiTable(). If an EFI
|
|
application is running at the time of this call, the relevant
|
|
EFI_CONFIGURATION_TABLE pointer to the RSDT is no longer
|
|
considered valid.
|
|
|
|
@param This A pointer to a EFI_ACPI_TABLE_PROTOCOL.
|
|
|
|
@param TableKey Specifies the table to uninstall. The key was
|
|
returned from InstallAcpiTable().
|
|
|
|
@retval EFI_SUCCESS The table was successfully inserted
|
|
|
|
@retval EFI_NOT_FOUND TableKey does not refer to a valid key
|
|
for a table entry.
|
|
|
|
@retval EFI_OUT_OF_RESOURCES Insufficient resources exist to
|
|
complete the request.
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EFI_ACPI_TABLE_UNINSTALL_ACPI_TABLE)(
|
|
IN EFI_ACPI_TABLE_PROTOCOL *This,
|
|
IN UINTN TableKey
|
|
);
|
|
|
|
///
|
|
/// The EFI_ACPI_TABLE_PROTOCOL provides the ability for a component
|
|
/// to install and uninstall ACPI tables from a platform.
|
|
///
|
|
struct _EFI_ACPI_TABLE_PROTOCOL {
|
|
EFI_ACPI_TABLE_INSTALL_ACPI_TABLE InstallAcpiTable;
|
|
EFI_ACPI_TABLE_UNINSTALL_ACPI_TABLE UninstallAcpiTable;
|
|
};
|
|
|
|
extern EFI_GUID gEfiAcpiTableProtocolGuid;
|
|
|
|
#endif
|
|
|