The C and C++ Include Header Files

/usr/include/sound/sof/header.h


$ cat -n /usr/include/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	 * 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	}  __attribute__((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