mirror of https://github.com/acidanthera/audk.git
53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/** @file
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This is an implementation of the ACPI S3 Save protocol. This is defined in
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S3 boot path specification 0.9.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _ACPI_S3_SAVE_H_
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#define _ACPI_S3_SAVE_H_
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/**
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Gets the buffer of legacy memory below 1 MB
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This function is to get the buffer in legacy memory below 1MB that is required during S3 resume.
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@param This A pointer to the EFI_ACPI_S3_SAVE_PROTOCOL instance.
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@param Size The returned size of legacy memory below 1 MB.
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@retval EFI_SUCCESS Size is successfully returned.
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@retval EFI_INVALID_PARAMETER The pointer Size is NULL.
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**/
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EFI_STATUS
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EFIAPI
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LegacyGetS3MemorySize (
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IN EFI_ACPI_S3_SAVE_PROTOCOL * This,
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OUT UINTN * Size
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);
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/**
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Prepares all information that is needed in the S3 resume boot path.
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Allocate the resources or prepare informations and save in ACPI variable set for S3 resume boot path
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@param This A pointer to the EFI_ACPI_S3_SAVE_PROTOCOL instance.
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@param LegacyMemoryAddress The base address of legacy memory.
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@retval EFI_NOT_FOUND Some necessary information cannot be found.
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@retval EFI_SUCCESS All information was saved successfully.
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@retval EFI_OUT_OF_RESOURCES Resources were insufficient to save all the information.
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@retval EFI_INVALID_PARAMETER The memory range is not located below 1 MB.
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**/
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EFI_STATUS
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EFIAPI
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S3Ready (
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IN EFI_ACPI_S3_SAVE_PROTOCOL *This,
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IN VOID *LegacyMemoryAddress
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);
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#endif
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