Michael Kubacki 6b0d7b013e MdeModulePkg/Variable: Add a file for NV variable functions
This change adds a dedicated file for variable operations specific
to non-volatile variables. This decreases the overall length of the
relatively large Variable.c file.

Cc: Dandan Bi <dandan.bi@intel.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Signed-off-by: Michael Kubacki <michael.a.kubacki@intel.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
2019-11-05 21:55:54 -08:00

68 lines
1.7 KiB
C

/** @file
Common variable non-volatile store routines.
Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _VARIABLE_NON_VOLATILE_H_
#define _VARIABLE_NON_VOLATILE_H_
#include "Variable.h"
/**
Get non-volatile maximum variable size.
@return Non-volatile maximum variable size.
**/
UINTN
GetNonVolatileMaxVariableSize (
VOID
);
/**
Init emulated non-volatile variable store.
@param[out] VariableStoreBase Output pointer to emulated non-volatile variable store base.
@retval EFI_SUCCESS Function successfully executed.
@retval EFI_OUT_OF_RESOURCES Fail to allocate enough memory resource.
**/
EFI_STATUS
InitEmuNonVolatileVariableStore (
EFI_PHYSICAL_ADDRESS *VariableStoreBase
);
/**
Init real non-volatile variable store.
@param[out] VariableStoreBase Output pointer to real non-volatile variable store base.
@retval EFI_SUCCESS Function successfully executed.
@retval EFI_OUT_OF_RESOURCES Fail to allocate enough memory resource.
@retval EFI_VOLUME_CORRUPTED Variable Store or Firmware Volume for Variable Store is corrupted.
**/
EFI_STATUS
InitRealNonVolatileVariableStore (
OUT EFI_PHYSICAL_ADDRESS *VariableStoreBase
);
/**
Init non-volatile variable store.
@retval EFI_SUCCESS Function successfully executed.
@retval EFI_OUT_OF_RESOURCES Fail to allocate enough memory resource.
@retval EFI_VOLUME_CORRUPTED Variable Store or Firmware Volume for Variable Store is corrupted.
**/
EFI_STATUS
InitNonVolatileVariableStore (
VOID
);
#endif