2.4.11 DVM messages
All slave interfaces on the CCI-550 support DVM messages. For ACE-Lite interfaces, this is through the addition of AC and CR channels. Each slave interface has a hardware enable input and programmable enable bit to determine whether it supports the issuing of AC requests for DVM messages.
The Snoop Control Registers and Control Override Register control DVM message
Optionally, you can provide DVMv8.1 support by including the
ARVMIDEXTSx and ACVMIDEXTSx signals in your
Note A master that issues DVM messages must also be able to
receive DVM messages. The slave interface through which the master connects must have DVM