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 #include <linux/types.h>
  13
  14 /*
  15  * Header for all non IPC ABI data.
  16  *
  17  * Identifies data type, size and ABI.
  18  * Used by any bespoke component data structures or binary blobs.
  19  */
  20 struct sof_abi_hdr {
  21         __u32 magic;            /**< 'S', 'O', 'F', '\0' */
  22         __u32 type;             /**< component specific type */
  23         __u32 size;             /**< size in bytes of data excl. this struct */
  24         __u32 abi;              /**< SOF ABI version */
  25         __u32 reserved[4];      /**< reserved for future use */
  26         __u32 data[0];          /**< Component data - opaque to core */
  27 }  __packed;
  28
  29 #endif