audk/OvmfPkg/Library/LockBoxLib/LockBoxLib.h

55 lines
1.1 KiB
C

/** @file
Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __LOCK_BOX_LIB_IMPL_H__
#define __LOCK_BOX_LIB_IMPL_H__
#pragma pack(1)
typedef struct {
UINT32 Signature;
UINT32 SubPageBuffer;
UINT32 SubPageRemaining;
} LOCK_BOX_GLOBAL;
#define LOCK_BOX_GLOBAL_SIGNATURE SIGNATURE_32('L', 'B', 'G', 'S')
extern LOCK_BOX_GLOBAL *mLockBoxGlobal;
#pragma pack()
/**
Allocates a buffer of type EfiACPIMemoryNVS.
Allocates the number bytes specified by AllocationSize of type
EfiACPIMemoryNVS and returns a pointer to the allocated buffer.
If AllocationSize is 0, then a valid buffer of 0 size is
returned. If there is not enough memory remaining to satisfy
the request, then NULL is returned.
@param AllocationSize The number of bytes to allocate.
@return A pointer to the allocated buffer or NULL if allocation fails.
**/
VOID *
EFIAPI
AllocateAcpiNvsPool (
IN UINTN AllocationSize
);
RETURN_STATUS
EFIAPI
LockBoxLibInitialize (
VOID
);
#endif