GPUDirect 2.0 Environment setup

I have Intel X5400 Dual Socket Quad Core system with two cards Tesla C2050 and Tesla C2070 installed on the system.
I would like to use GPUDirect 2.0 technology for GPU0 to GPU1 data transfer. What is the requirement( Hardware / software)
to setup environment to use GPUDirect 2.0 and How to setup the environment ?