sound/sof/header.h

0001 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
0002 /*
0003  * This file is provided under a dual BSD/GPLv2 license.  When using or
0004  * redistributing this file, you may do so under either license.
0005  *
0006  * Copyright(c) 2018 Intel Corporation. All rights reserved.
0007  */
0008
0009 #ifndef __INCLUDE_UAPI_SOUND_SOF_USER_HEADER_H__
0010 #define __INCLUDE_UAPI_SOUND_SOF_USER_HEADER_H__
0011
0012 #include <linux/types.h>
0013
0014 /*
0015  * Header for all non IPC ABI data.
0016  *
0017  * Identifies data type, size and ABI.
0018  * Used by any bespoke component data structures or binary blobs.
0019  */
0020 struct sof_abi_hdr {
0021     __u32 magic;        /**< 'S', 'O', 'F', '\0' */
0022     __u32 type;     /**< component specific type */
0023     __u32 size;     /**< size in bytes of data excl. this struct */
0024     __u32 abi;      /**< SOF ABI version */
0025     __u32 reserved[4];  /**< reserved for future use */
0026     __u32 data[];       /**< Component data - opaque to core */
0027 }  __packed;
0028
0029 #define SOF_MANIFEST_DATA_TYPE_NHLT 1
0030
0031 /**
0032  * struct sof_manifest_tlv - SOF manifest TLV data
0033  * @type: type of data
0034  * @size: data size (not including the size of this struct)
0035  * @data: payload data
0036  */
0037 struct sof_manifest_tlv {
0038     __le32 type;
0039     __le32 size;
0040     __u8 data[];
0041 };
0042
0043 /**
0044  * struct sof_manifest - SOF topology manifest
0045  * @abi_major: Major ABI version
0046  * @abi_minor: Minor ABI version
0047  * @abi_patch: ABI patch
0048  * @count: count of tlv items
0049  * @items: consecutive variable size tlv items
0050  */
0051 struct sof_manifest {
0052     __le16 abi_major;
0053     __le16 abi_minor;
0054     __le16 abi_patch;
0055     __le16 count;
0056     struct sof_manifest_tlv items[];
0057 };
0058
0059 #endif