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