e9d62effa3
This reverts commit 6c8dd15c4a.
Based on the discussion https://edk2.groups.io/g/devel/message/67764,
this change is regarded as the feature request. But, it doesn't pass
reviewed before 202011 stable tag soft feature freeze. So, it should
not be merged into 202011 stable tag.
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Nishant C Mistry <nishant.c.mistry@intel.com>
Signed-off-by: Liming Gao <gaoliming@byosoft.com.cn>
Acked-by: Jiewen Yao <Jiewen.yao@intel.com>
Reviewed-by: Jiewen Yao <Jiewen.yao@intel.com>
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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