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
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 * struct sof_abi_hdr - Header for all non IPC ABI data.
16 * @magic: Magic number for validation
17 * for IPC3 data: 0x00464F53 ('S', 'O', 'F', '\0')
18 * for IPC4 data: 0x34464F53 ('S', 'O', 'F', '4')
19 * @type: module specific parameter
20 * for IPC3: Component specific type
21 * for IPC4: parameter ID (param_id) of the data
22 * @size: The size in bytes of the data, excluding this struct
23 * @abi: SOF ABI version. The version is valid in scope of the 'magic', IPC3 and
24 * IPC4 ABI version numbers have no relationship.
25 * @reserved: Reserved for future use
26 * @data: Component data - opaque to core
27 *
28 * Identifies data type, size and ABI.
29 * Used by any bespoke component data structures or binary blobs.
30 */
31 struct sof_abi_hdr {
32 __u32 magic;
33 __u32 type;
34 __u32 size;
35 __u32 abi;
36 __u32 reserved[4];
37 __u32 data[];
38 } __packed;
39
40 #define SOF_MANIFEST_DATA_TYPE_NHLT 1
41
42 /**
43 * struct sof_manifest_tlv - SOF manifest TLV data
44 * @type: type of data
45 * @size: data size (not including the size of this struct)
46 * @data: payload data
47 */
48 struct sof_manifest_tlv {
49 __le32 type;
50 __le32 size;
51 __u8 data[];
52 };
53
54 /**
55 * struct sof_manifest - SOF topology manifest
56 * @abi_major: Major ABI version
57 * @abi_minor: Minor ABI version
58 * @abi_patch: ABI patch
59 * @count: count of tlv items
60 * @items: consecutive variable size tlv items
61 */
62 struct sof_manifest {
63 __le16 abi_major;
64 __le16 abi_minor;
65 __le16 abi_patch;
66 __le16 count;
67 struct sof_manifest_tlv items[];
68 };
69
70 #endif
71
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