/** @file | |
Variable Flash Information Library | |
Copyright (c) Microsoft Corporation<BR> | |
SPDX-License-Identifier: BSD-2-Clause-Patent | |
**/ | |
#ifndef VARIABLE_FLASH_INFO_LIB_H_ | |
#define VARIABLE_FLASH_INFO_LIB_H_ | |
/** | |
Get the base address and size for the NV storage area used for UEFI variable storage. | |
@param[out] BaseAddress The NV storage base address. | |
@param[out] Length The NV storage length in bytes. | |
@retval EFI_SUCCESS NV storage information was found successfully. | |
@retval EFI_INVALID_PARAMETER A required pointer parameter is NULL. | |
@retval EFI_NOT_FOUND NV storage information could not be found. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
GetVariableFlashNvStorageInfo ( | |
OUT EFI_PHYSICAL_ADDRESS *BaseAddress, | |
OUT UINT64 *Length | |
); | |
/** | |
Get the base address and size for the fault tolerant write (FTW) spare | |
area used for UEFI variable storage. | |
@param[out] BaseAddress The FTW spare base address. | |
@param[out] Length The FTW spare length in bytes. | |
@retval EFI_SUCCESS FTW spare information was found successfully. | |
@retval EFI_INVALID_PARAMETER A required pointer parameter is NULL. | |
@retval EFI_NOT_FOUND FTW spare information could not be found. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
GetVariableFlashFtwSpareInfo ( | |
OUT EFI_PHYSICAL_ADDRESS *BaseAddress, | |
OUT UINT64 *Length | |
); | |
/** | |
Get the base address and size for the fault tolerant write (FTW) working | |
area used for UEFI variable storage. | |
@param[out] BaseAddress The FTW working area base address. | |
@param[out] Length The FTW working area length in bytes. | |
@retval EFI_SUCCESS FTW working information was found successfully. | |
@retval EFI_INVALID_PARAMETER A required pointer parameter is NULL. | |
@retval EFI_NOT_FOUND FTW working information could not be found. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
GetVariableFlashFtwWorkingInfo ( | |
OUT EFI_PHYSICAL_ADDRESS *BaseAddress, | |
OUT UINT64 *Length | |
); | |
#endif |