2f88bd3a12
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the MdePkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
122 lines
4.5 KiB
C
122 lines
4.5 KiB
C
/** @file
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The file provides the protocol to install or remove an ACPI
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table from a platform.
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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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@par Revision Reference:
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This Protocol was introduced in UEFI Specification 2.3.
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**/
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#ifndef __ACPI_TABLE_H___
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#define __ACPI_TABLE_H___
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#define EFI_ACPI_TABLE_PROTOCOL_GUID \
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{ 0xffe06bdd, 0x6107, 0x46a6, { 0x7b, 0xb2, 0x5a, 0x9c, 0x7e, 0xc5, 0x27, 0x5c }}
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typedef struct _EFI_ACPI_TABLE_PROTOCOL EFI_ACPI_TABLE_PROTOCOL;
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/**
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The InstallAcpiTable() function allows a caller to install an
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ACPI table. When successful, the table will be linked by the
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RSDT/XSDT. AcpiTableBuffer specifies the table to be installed.
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InstallAcpiTable() will make a copy of the table and insert the
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copy into the RSDT/XSDT. InstallAcpiTable() must insert the new
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table at the end of the RSDT/XSDT. To prevent namespace
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collision, ACPI tables may be created using UEFI ACPI table
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format. If this protocol is used to install a table with a
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signature already present in the system, the new table will not
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replace the existing table. It is a platform implementation
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decision to add a new table with a signature matching an
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existing table or disallow duplicate table signatures and
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return EFI_ACCESS_DENIED. On successful output, TableKey is
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initialized with a unique key. Its value may be used in a
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subsequent call to UninstallAcpiTable to remove an ACPI table.
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If an EFI application is running at the time of this call, the
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relevant EFI_CONFIGURATION_TABLE pointer to the RSDT is no
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longer considered valid.
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@param This A pointer to a EFI_ACPI_TABLE_PROTOCOL.
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@param AcpiTableBuffer A pointer to a buffer containing the
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ACPI table to be installed.
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@param AcpiTableBufferSize Specifies the size, in bytes, of
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the AcpiTableBuffer buffer.
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@param TableKey Returns 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,
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TableKey is NULL, or
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AcpiTableBufferSize and the size
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field embedded in the ACPI table
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pointed to by AcpiTableBuffer
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are not in sync.
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@retval EFI_OUT_OF_RESOURCES Insufficient resources exist to
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complete the request.
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@retval EFI_ACCESS_DENIED The table signature matches a table already
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present in the system and platform policy
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does not allow duplicate tables of this type.
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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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The UninstallAcpiTable() function allows a caller to remove an
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ACPI table. The routine will remove its reference from the
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RSDT/XSDT. A table is referenced by the TableKey parameter
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returned from a prior call to InstallAcpiTable(). If an EFI
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application is running at the time of this call, the relevant
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EFI_CONFIGURATION_TABLE pointer to the RSDT is no longer
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considered valid.
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@param This A pointer to a EFI_ACPI_TABLE_PROTOCOL.
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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 inserted
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@retval EFI_NOT_FOUND TableKey does not refer to a valid key
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for a table entry.
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@retval EFI_OUT_OF_RESOURCES Insufficient resources exist to
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complete the request.
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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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/// The EFI_ACPI_TABLE_PROTOCOL provides the ability for a component
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/// to install and uninstall ACPI tables from a platform.
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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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