6c8dd15c4a
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2594 The re-design requires multiple RPMC counter usages. The consumer will be capable of selecting amongst multiple counters. Signed-off-by: Nishant C Mistry <nishant.c.mistry@intel.com> Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/** @file
|
|
Public definitions for the Replay Protected Monotonic Counter (RPMC) Library.
|
|
|
|
Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#ifndef _RPMC_LIB_H_
|
|
#define _RPMC_LIB_H_
|
|
|
|
#include <Uefi/UefiBaseType.h>
|
|
|
|
/**
|
|
Requests the monotonic counter from the designated RPMC counter.
|
|
|
|
@param[in] CounterIndex The RPMC index
|
|
@param[out] CounterValue A pointer to a buffer to store the RPMC value.
|
|
|
|
@retval EFI_SUCCESS The operation completed successfully.
|
|
@retval EFI_DEVICE_ERROR A device error occurred while attempting to update the counter.
|
|
@retval EFI_UNSUPPORTED The operation is un-supported.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
RequestMonotonicCounter (
|
|
IN UINT8 CounterIndex,
|
|
OUT UINT32 *CounterValue
|
|
);
|
|
|
|
/**
|
|
Increments the monotonic counter in the SPI flash device by 1.
|
|
|
|
@param[in] CounterIndex The RPMC index
|
|
|
|
@retval EFI_SUCCESS The operation completed successfully.
|
|
@retval EFI_DEVICE_ERROR A device error occurred while attempting to update the counter.
|
|
@retval EFI_UNSUPPORTED The operation is un-supported.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
IncrementMonotonicCounter (
|
|
IN UINT8 CounterIndex
|
|
);
|
|
|
|
#endif
|
|
|