diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/SecurityPkg/Include/Library/RpmcLib.h')
-rw-r--r-- | src/VBox/Devices/EFI/Firmware/SecurityPkg/Include/Library/RpmcLib.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/SecurityPkg/Include/Library/RpmcLib.h b/src/VBox/Devices/EFI/Firmware/SecurityPkg/Include/Library/RpmcLib.h new file mode 100644 index 00000000..663d425d --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/SecurityPkg/Include/Library/RpmcLib.h @@ -0,0 +1,43 @@ +/** @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[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 ( + OUT UINT32 *CounterValue + ); + +/** + Increments the monotonic counter in the SPI flash device by 1. + + @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 ( + VOID + ); + +#endif + |