audk/PrmPkg/Include/PrmMmio.h

46 lines
1.0 KiB
C

/** @file
Definitions for the Platform Runtime Mechanism (PRM) MMIO elements.
Copyright (c) Microsoft Corporation
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef PRM_MMIO_H_
#define PRM_MMIO_H_
#include <Uefi.h>
#pragma pack(push, 1)
///
/// Describes a memory range that needs to be made accessible at OS runtime.
///
/// The memory range with the given base address and length will be marked as EFI_MEMORY_RUNTIME.
///
typedef struct {
EFI_PHYSICAL_ADDRESS PhysicalBaseAddress;
EFI_PHYSICAL_ADDRESS VirtualBaseAddress;
UINT32 Length;
} PRM_RUNTIME_MMIO_RANGE;
///
/// Describes a buffer with an array of PRM module
/// config runtime memory ranges.
///
typedef struct {
///
/// The number of runtime memory range elements in this buffer.
///
UINT64 Count;
///
/// The beginning of the runtime memory range data.
///
PRM_RUNTIME_MMIO_RANGE Range[1];
} PRM_RUNTIME_MMIO_RANGES;
#pragma pack(pop)
#endif