The GPUDirect RDMA beta release will be available before tomorrow and available on our website; the driver will be installed with the Mellanox OFED 2.1 software, which is a pre-requisite for the installation.
Please check here : http://www.mellanox.com/page/products_dyn?product_family=116&mtag=gpudirect for the latest beta version of GPUDirect RDMA.