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/** @file
EFI MM Communication v3 PPI definition.
This Ppi provides a means of communicating between PEIM and MMI
handlers inside of MM.
Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
Copyright (c) Microsoft Corporation.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#pragma once
#include <Pi/PiMultiPhase.h>
#define EFI_PEI_MM_COMMUNICATION3_PPI_GUID \
{ \
0xe70febf6, 0x13ef, 0x4a21, { 0x89, 0x9e, 0xb2, 0x36, 0xf8, 0x25, 0xff, 0xc9 } \
}
typedef struct _EFI_PEI_MM_COMMUNICATION3_PPI EFI_PEI_MM_COMMUNICATION3_PPI;
/**
Communicates with a registered handler.
This function provides a service to send and receive messages from a registered UEFI service.
@param[in] This The EFI_PEI_MM_COMMUNICATE3 instance.
@param[in, out] CommBuffer A pointer to the buffer to convey into MMRAM.
@retval EFI_SUCCESS The message was successfully posted.
@retval EFI_INVALID_PARAMETER The CommBuffer was NULL.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_MM_COMMUNICATE3)(
IN CONST EFI_PEI_MM_COMMUNICATION3_PPI *This,
IN OUT VOID *CommBuffer
);
///
/// EFI MM Communication PPI provides runtime services for communicating
/// between DXE drivers and a registered SMI handler.
///
struct _EFI_PEI_MM_COMMUNICATION3_PPI {
EFI_PEI_MM_COMMUNICATE3 Communicate;
};
extern EFI_GUID gEfiPeiMmCommunication3PpiGuid;
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