#include <Base.h>

Data Structures
struct	PLATFORM_CONFIG

Macros
#define	PLATFORM_CONFIG_F_GRAPHICS_RESOLUTION BIT0

#define	PLATFORM_CONFIG_F_DOWNGRADE BIT63

Functions
EFI_STATUS EFIAPI	PlatformConfigSave (IN PLATFORM_CONFIG *PlatformConfig)

EFI_STATUS EFIAPI	PlatformConfigLoad (OUT PLATFORM_CONFIG PlatformConfig, OUT UINT64 OptionalElements)

Variables
CHAR16	mVariableName []

CHAR16	mHiiFormName []

Detailed Description

Utility functions for serializing (persistently storing) and deserializing OVMF's platform configuration.

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file PlatformConfig.h.

Macro Definition Documentation

◆ PLATFORM_CONFIG_F_DOWNGRADE

#define PLATFORM_CONFIG_F_DOWNGRADE BIT63

Definition at line 51 of file PlatformConfig.h.

◆ PLATFORM_CONFIG_F_GRAPHICS_RESOLUTION

#define PLATFORM_CONFIG_F_GRAPHICS_RESOLUTION BIT0

Definition at line 50 of file PlatformConfig.h.

Function Documentation

◆ PlatformConfigLoad()

EFI_STATUS EFIAPI PlatformConfigLoad	(	OUT PLATFORM_CONFIG *	PlatformConfig,
		OUT UINT64 *	OptionalElements
	)

Load and deserialize platform configuration.

When the function fails, output parameters are indeterminate.

Parameters

[out]	PlatformConfig	The platform configuration to receive the loaded data.
[out]	OptionalElements	This bitmap describes the presence of optional configuration elements that have been loaded. PLATFORM_CONFIG_F_DOWNGRADE means that some unknown elements, present in the wire format, have been ignored.

Return values

EFI_SUCCESS Loading & deserialization successful.

Returns: Error codes returned by GetVariable2().

Definition at line 78 of file PlatformConfig.c.

◆ PlatformConfigSave()

EFI_STATUS EFIAPI PlatformConfigSave ( IN PLATFORM_CONFIG * PlatformConfig )

Serialize and persistently save platform configuration.

Parameters

[in] PlatformConfig The platform configuration to serialize and save.

Returns: Status codes returned by gRT->SetVariable().

Definition at line 36 of file PlatformConfig.c.

Variable Documentation

◆ mHiiFormName

CHAR16 mHiiFormName[]

extern

Definition at line 25 of file PlatformConfig.c.

◆ mVariableName

CHAR16 mVariableName[]

extern

Definition at line 58 of file PlatDriOverrideDxe.c.

Data Structures

Macros

Functions

Variables