/* SPDX-License-Identifier: BSD-3-Clause

*

* Copyright(c) 2021 Intel Corporation. All rights reserved.

*/

/*

* This file contains structures that are exact copies of an existing ABI used

* by IOT middleware. They are Intel specific and will be used by one middleware.

*

* Some of the structures may contain programming implementations that makes them

* unsuitable for generic use and general usage.

*

* This code is mostly copied "as-is" from existing C++ interface files hence the use of

* different style in places. The intention is to keep the interface as close as possible to

* original so it's easier to track changes with IPC host code.

*/

/**

* \file include/ipc3/header.h

* \brief IPC3 global definitions.

* NOTE: This ABI uses bit fields and is non portable.

*/

#ifndef __SOF_IPC3_HEADER_H__

#define __SOF_IPC3_HEADER_H__

#include <stdint.h>

#define ipc_from_hdr(x) ((struct sof_ipc_cmd_hdr *)x)

/**

* \brief Generic message header. IPC MAJOR 3 version.

* All IPC3 messages use this header as abstraction

* to platform specific calls.

*/

struct ipc_cmd_hdr {

uint32_t dat[2];

};

#endif