Hi,
I'm not much familiar with this stuff - but for me it means:
device ID enumeration, number of bytes in data area, data (up to 4 bytes). But I don't know for what purpose are data used. For me it looks like as camera initialization commands - used in maxim_user.cpp file (c:\NXP\VisionSDK_S32V2xx_RTM_1_1_1\s32v234_sdk\libs\isp\cam_generic\user\src\ )
Jiri