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/** @file
Metadata Handler Library.
Copyright (c) 2025, Arm Limited. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef METADATA_HANDLER_LIB_H_
#define METADATA_HANDLER_LIB_H_
#include <Library/MetadataObjLib.h>
/** Query the MetadataObjLib for metadata matching the input (Type/Token).
If the metadata exists, return it.
Otherwise:
- Generate a new metadata object
- Add it to the MetadataObjLib
- return it
@param[in] Root Root of the Metadata information.
@param[in] Type METADATA_TYPE of the entry to generate.
@param[in] Token Token uniquely identifying an entry among other
objects with the input METADATA_TYPE.
@param[in] Context Optional context to use during the Metadata generation.
@param[in, out] Metadata On input, can contain METADATA_TYPE-specific information.
On output and if success, contains the generated
Metadata object.
@param[in] MetadataSize Size of the input Metadata.
@retval EFI_SUCCESS Success.
@retval EFI_INVALID_PARAMETER A parameter is invalid.
**/
EFI_STATUS
EFIAPI
MetadataHandlerGenerate (
IN METADATA_ROOT_HANDLE Root,
IN METADATA_TYPE Type,
IN CM_OBJECT_TOKEN Token,
IN VOID *Context,
IN OUT VOID *Metadata,
IN UINT32 MetadataSize
);
/** Validate the Metadata.
@param[in] Root Root of the Metadata information.
@retval EFI_SUCCESS Success.
@retval EFI_INVALID_PARAMETER A parameter is invalid.
**/
EFI_STATUS
EFIAPI
MetadataHandlerValidate (
IN METADATA_ROOT_HANDLE Root
);
#endif // METADATA_HANDLER_LIB_H_
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