57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
/** @file
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Utility functions for serializing (persistently storing) and deserializing
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OVMF's platform configuration.
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Copyright (C) 2014, Red Hat, Inc.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _PLATFORM_CONFIG_H_
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#define _PLATFORM_CONFIG_H_
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#include <Base.h>
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//
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// This structure participates in driver configuration. It does not
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// (necessarily) reflect the wire format in the persistent store.
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//
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#pragma pack(1)
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typedef struct {
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//
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// preferred graphics console resolution when booting
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//
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UINT32 HorizontalResolution;
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UINT32 VerticalResolution;
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} PLATFORM_CONFIG;
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#pragma pack()
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//
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// Please see the API documentation near the function definitions.
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//
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EFI_STATUS
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EFIAPI
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PlatformConfigSave (
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IN PLATFORM_CONFIG *PlatformConfig
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);
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EFI_STATUS
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EFIAPI
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PlatformConfigLoad (
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OUT PLATFORM_CONFIG *PlatformConfig,
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OUT UINT64 *OptionalElements
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);
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//
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// Feature flags for OptionalElements.
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//
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#define PLATFORM_CONFIG_F_GRAPHICS_RESOLUTION BIT0
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#define PLATFORM_CONFIG_F_DOWNGRADE BIT63
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extern CHAR16 mVariableName[];
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extern CHAR16 mHiiFormName[];
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#endif // _PLATFORM_CONFIG_H_
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