This is a simple guide as to which protocols are supported for a given model and code level. This information can then be used as part of an SSIC search
IBM System Storage Interoperation Centre (SSIC): SSIC
FlashSystems Storage Model/Code Level/Protocol Matrix as of Storage Virtualise 9.1.2.0

Notes:
- To determine all the code levels supported by a specific model, please refer to the Hardware Interoperability Matrix for that model.