Dell PowerMax: Enable Support of NVMe/TCP for Cinder

Enable support for PowerMax with NVME/TCP

Dell PowerStore: Support for QoS in PowerStore Victory for Cinder

As an Openstack storage admin, I should be able to create a qos spec using Cinder CLI, associate the QOS spec to a Volume that resides on a PowerStore Backend. The QOS properties that I should be able to assign to the volume are 1. IO limit in Kb/sec 2. Iops limit in IOps/sec 3. Density defined as MaxIOPS/GB or IO ...