projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 5042ee43 JW |
1 | /** @file\r |
| 2 | Public definitions for the Replay Protected Monotonic Counter (RPMC) Library.\r | |
| 3 | \r | |
| 4 | Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>\r | |
| 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
| 6 | \r | |
| 7 | **/\r | |
| 8 | \r | |
| 9 | #ifndef _RPMC_LIB_H_\r | |
| 10 | #define _RPMC_LIB_H_\r | |
| 11 | \r | |
| 12 | #include <Uefi/UefiBaseType.h>\r | |
| 13 | \r | |
| 14 | /**\r | |
| 15 | Requests the monotonic counter from the designated RPMC counter.\r | |
| 16 | \r | |
| 17 | @param[out] CounterValue A pointer to a buffer to store the RPMC value.\r | |
| 18 | \r | |
| 19 | @retval EFI_SUCCESS The operation completed successfully.\r | |
| 20 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to update the counter.\r | |
| 21 | @retval EFI_UNSUPPORTED The operation is un-supported.\r | |
| 22 | **/\r | |
| 23 | EFI_STATUS\r | |
| 24 | EFIAPI\r | |
| 25 | RequestMonotonicCounter (\r | |
| 26 | OUT UINT32 *CounterValue\r | |
| 27 | );\r | |
| 28 | \r | |
| 29 | /**\r | |
| 30 | Increments the monotonic counter in the SPI flash device by 1.\r | |
| 31 | \r | |
| 32 | @retval EFI_SUCCESS The operation completed successfully.\r | |
| 33 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to update the counter.\r | |
| 34 | @retval EFI_UNSUPPORTED The operation is un-supported.\r | |
| 35 | **/\r | |
| 36 | EFI_STATUS\r | |
| 37 | EFIAPI\r | |
| 38 | IncrementMonotonicCounter (\r | |
| 39 | VOID\r | |
| 40 | );\r | |
| 41 | \r | |
| 42 | #endif\r | |
| 43 | \r |