audk/PrmPkg/Include/PrmDataBuffer.h

51 lines
1.0 KiB
C

/** @file
Definitions for the Platform Runtime Mechanism (PRM) data buffer structures.
Copyright (c) Microsoft Corporation
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef PRM_DATA_BUFFER_H_
#define PRM_DATA_BUFFER_H_
#include <Uefi.h>
#define PRM_DATA_BUFFER_HEADER_SIGNATURE SIGNATURE_32('P','R','M','D')
#pragma pack(push, 1)
///
/// A generic header that describes the PRM data buffer.
///
typedef struct {
///
/// PRM Data Buffer signature.
///
UINT32 Signature;
///
/// Length of the entire data buffer, including the size of the header.
///
UINT32 Length;
} PRM_DATA_BUFFER_HEADER;
///
/// A PRM data buffer is a generic header followed by variable length arbitrary data.
///
typedef struct {
///
/// The header is required at the beginning of every PRM data buffer.
///
PRM_DATA_BUFFER_HEADER Header;
///
/// The beginning of data immediately follows the header.
///
UINT8 Data[1];
} PRM_DATA_BUFFER;
#pragma pack(pop)
#endif