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 30