Hi, Apologies,  you will need to be on the 8.0.x version of Unisphere to get this information.  I should have called this out.  The REST API with 1.6.x was only supporting performance.  With the latest version we have opened up the full suite to you so you can now do provisioning.  This will be on GA this week so keep an eye out on support.emc.com for the kit to be posted. 
I'm trying to use python against the REST API of Unisphere for VMAX to pull back :  host_io_limit_mb_sec host_io_limit_io_sec dynamicDistribution  for all storage groups.  Any chance anyone has an example?  I'm doing something similar for some performance metrics, but I can't seem to deconstruct how to do the same for the above metrics.  Thanks.
HostIO Limits from Unisphere for VMAX