67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
/** @file
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;******************************************************************************
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;* Copyright (c) 2012 - 2018, Insyde Software Corp. All Rights Reserved.
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;*
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;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
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;* transmit, broadcast, present, recite, release, license or otherwise exploit
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;* any part of this publication in any form, by any means, without the prior
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;* written permission of Insyde Software Corporation.
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;*
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;******************************************************************************
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*/
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/*++
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Module Name:
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NonVolatileVariable.h
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Abstract:
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This protocol will be installed when the non-volatile service initialized successfully.
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--*/
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#ifndef _NON_VOLATILE_VARIABLE_PROTOCOL_H_
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#define _NON_VOLATILE_VARIABLE_PROTOCOL_H_
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#define EFI_NON_VOLATILE_VARIABLE_PROTOCOL_GUID \
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{0x173f9091, 0x44b6, 0x43be, 0x9d, 0x65, 0x98, 0x94, 0x7b, 0xd9, 0xb9, 0xd7}
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#define EFI_READ_ONLY_VARIABLE_PROTOCOL_GUID \
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{0x257a9418, 0xcb21, 0x4b4b, 0xb3, 0x92, 0xc9, 0xdc, 0x32, 0xc2, 0x75, 0x94}
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#define EFI_EMU_NON_VOLATILE_VARIABLE_PROTOCOL_GUID \
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{0x2b3820fb, 0x0f77, 0x4bec, 0x96, 0xe4, 0xcb, 0x26, 0xc0, 0xe9, 0xf5, 0x53}
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typedef struct _NON_VOLATILE_VARIABLE_PROTOCOL NON_VOLATILE_VARIABLE_PROTOCOL;
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/**
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Function to provide runtime type memory to store variable data which can be used to
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communicate with variable code in SMM.
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@param[out] Buffer Pointer to the return runtime type memory.
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@param[out] BufferSize The size of the return buffer.
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@retval EFI_SUCCESS Get runtime type memory successfully.
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@retval EFI_NOT_FOUND Cannot find runtime type memory.
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@retval EFI_INVALID_PARAMETER Buffer is NULL or BufferSize is NULL.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *GET_RUNTIME_VARIABLE_BUFFER) (
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OUT VOID **Buffer,
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OUT UINTN *BufferSize
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);
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struct _NON_VOLATILE_VARIABLE_PROTOCOL {
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GET_RUNTIME_VARIABLE_BUFFER GetRuntimeVariableBuffer;
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};
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extern EFI_GUID gEfiNonVolatileVariableProtocolGuid;
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extern EFI_GUID gEfiReadOnlyVariableProtocolGuid;
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extern EFI_GUID gEfiEmuNonVolatileVariableProtocolGuid;
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#endif
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