| /** @file | |
| Microcode flash device access library. | |
| Copyright (c) 2016, Intel Corporation. All rights reserved.<BR> | |
| This program and the accompanying materials | |
| are licensed and made available under the terms and conditions of the BSD License | |
| which accompanies this distribution. The full text of the license may be found at | |
| http://opensource.org/licenses/bsd-license.php | |
| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
| **/ | |
| #ifndef __MICROCODE_FLASH_ACCESS_LIB_H__ | |
| #define __MICROCODE_FLASH_ACCESS_LIB_H__ | |
| /** | |
| Perform microcode write opreation. | |
| @param[in] FlashAddress The address of flash device to be accessed. | |
| @param[in] Buffer The pointer to the data buffer. | |
| @param[in] Length The length of data buffer in bytes. | |
| @retval EFI_SUCCESS The operation returns successfully. | |
| @retval EFI_WRITE_PROTECTED The flash device is read only. | |
| @retval EFI_UNSUPPORTED The flash device access is unsupported. | |
| @retval EFI_INVALID_PARAMETER The input parameter is not valid. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| MicrocodeFlashWrite ( | |
| IN EFI_PHYSICAL_ADDRESS FlashAddress, | |
| IN VOID *Buffer, | |
| IN UINTN Length | |
| ); | |
| #endif |