diff options
Diffstat (limited to 'include/uapi/sound/sof/header.h')
| -rw-r--r-- | include/uapi/sound/sof/header.h | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/include/uapi/sound/sof/header.h b/include/uapi/sound/sof/header.h index e9bba93a5399..cb3c1ace69e3 100644 --- a/include/uapi/sound/sof/header.h +++ b/include/uapi/sound/sof/header.h @@ -11,19 +11,30 @@ #include <linux/types.h> -/* - * Header for all non IPC ABI data. +/** + * struct sof_abi_hdr - Header for all non IPC ABI data. + * @magic: Magic number for validation + * for IPC3 data: 0x00464F53 ('S', 'O', 'F', '\0') + * for IPC4 data: 0x34464F53 ('S', 'O', 'F', '4') + * @type: module specific parameter + * for IPC3: Component specific type + * for IPC4: parameter ID (param_id) of the data + * @size: The size in bytes of the data, excluding this struct + * @abi: SOF ABI version. The version is valid in scope of the 'magic', IPC3 and + * IPC4 ABI version numbers have no relationship. + * @reserved: Reserved for future use + * @data: Component data - opaque to core * * Identifies data type, size and ABI. * Used by any bespoke component data structures or binary blobs. */ struct sof_abi_hdr { - __u32 magic; /**< 'S', 'O', 'F', '\0' */ - __u32 type; /**< component specific type */ - __u32 size; /**< size in bytes of data excl. this struct */ - __u32 abi; /**< SOF ABI version */ - __u32 reserved[4]; /**< reserved for future use */ - __u32 data[]; /**< Component data - opaque to core */ + __u32 magic; + __u32 type; + __u32 size; + __u32 abi; + __u32 reserved[4]; + __u32 data[]; } __packed; #define SOF_MANIFEST_DATA_TYPE_NHLT 1 |