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/** @file
This is an implementation of the ACPI S3 Save protocol. This is defined in
S3 boot path specification 0.9.
Copyright (c) 2006 - 2012, 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 _ACPI_S3_SAVE_H_
#define _ACPI_S3_SAVE_H_
/**
Gets the buffer of legacy memory below 1 MB
This function is to get the buffer in legacy memory below 1MB that is required during S3 resume.
@param This A pointer to the EFI_ACPI_S3_SAVE_PROTOCOL instance.
@param Size The returned size of legacy memory below 1 MB.
@retval EFI_SUCCESS Size is successfully returned.
@retval EFI_INVALID_PARAMETER The pointer Size is NULL.
**/
EFI_STATUS
EFIAPI
LegacyGetS3MemorySize (
IN EFI_ACPI_S3_SAVE_PROTOCOL * This,
OUT UINTN * Size
);
/**
Prepares all information that is needed in the S3 resume boot path.
Allocate the resources or prepare informations and save in ACPI variable set for S3 resume boot path
@param This A pointer to the EFI_ACPI_S3_SAVE_PROTOCOL instance.
@param LegacyMemoryAddress The base address of legacy memory.
@retval EFI_NOT_FOUND Some necessary information cannot be found.
@retval EFI_SUCCESS All information was saved successfully.
@retval EFI_OUT_OF_RESOURCES Resources were insufficient to save all the information.
@retval EFI_INVALID_PARAMETER The memory range is not located below 1 MB.
**/
EFI_STATUS
EFIAPI
S3Ready (
IN EFI_ACPI_S3_SAVE_PROTOCOL *This,
IN VOID *LegacyMemoryAddress
);
#endif
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