| /* 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 |
