include/uapi/sound/sof/header.h

   1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
   2 /*
   3  * This file is provided under a dual BSD/GPLv2 license.  When using or
   4  * redistributing this file, you may do so under either license.
   5  *
   6  * Copyright(c) 2018 Intel Corporation. All rights reserved.
   7  */
   8
   9 #ifndef __INCLUDE_UAPI_SOUND_SOF_USER_HEADER_H__
  10 #define __INCLUDE_UAPI_SOUND_SOF_USER_HEADER_H__
  11
  12 /*
  13  * Header for all non IPC ABI data.
  14  *
  15  * Identifies data type, size and ABI.
  16  * Used by any bespoke component data structures or binary blobs.
  17  */
  18 struct sof_abi_hdr {
  19         uint32_t magic;         /**< 'S', 'O', 'F', '\0' */
  20         uint32_t type;          /**< component specific type */
  21         uint32_t size;          /**< size in bytes of data excl. this struct */
  22         uint32_t abi;           /**< SOF ABI version */
  23         uint32_t reserved[4];   /**< reserved for future use */
  24         uint32_t data[0];       /**< Component data - opaque to core */
  25 }  __packed;
  26
  27 #endif