mirror of https://github.com/acidanthera/audk.git
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/** @file
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Public definitions for the Replay Protected Monotonic Counter (RPMC) Library.
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Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _RPMC_LIB_H_
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#define _RPMC_LIB_H_
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#include <Uefi/UefiBaseType.h>
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/**
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Requests the monotonic counter from the designated RPMC counter.
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@param[out] CounterValue A pointer to a buffer to store the RPMC value.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_DEVICE_ERROR A device error occurred while attempting to update the counter.
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@retval EFI_UNSUPPORTED The operation is un-supported.
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**/
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EFI_STATUS
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EFIAPI
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RequestMonotonicCounter (
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OUT UINT32 *CounterValue
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);
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/**
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Increments the monotonic counter in the SPI flash device by 1.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_DEVICE_ERROR A device error occurred while attempting to update the counter.
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@retval EFI_UNSUPPORTED The operation is un-supported.
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**/
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EFI_STATUS
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EFIAPI
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IncrementMonotonicCounter (
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VOID
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);
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#endif
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