On 7/28/22 9:04 AM, Jason Gunthorpe wrote: > On Wed, Jul 27, 2022 at 09:49:16AM +0800, Cheng Xu wrote: >> Hello all, >> >> This v14 patch set introduces the Elastic RDMA Adapter (ERDMA) driver, >> which released in Apsara Conference 2021 by Alibaba. The PR of ERDMA >> userspace provider has already been created [1]. >> >> ERDMA enables large-scale RDMA acceleration capability in Alibaba ECS >> environment, initially offered in g7re instance. It can improve the >> efficiency of large-scale distributed computing and communication >> significantly and expand dynamically with the cluster scale of Alibaba >> Cloud. >> >> ERDMA is a RDMA networking adapter based on the Alibaba MOC hardware. It >> works in the VPC network environment (overlay network), and uses iWarp >> transport protocol. ERDMA supports reliable connection (RC). ERDMA also >> supports both kernel space and user space verbs. Now we have already >> supported HPC/AI applications with libfabric, NoF and some other internal >> verbs libraries, such as xrdma, epsl, etc,. >> >> For the ECS instance with RDMA enabled, our MOC hardware generates two >> kinds of PCI devices: one for ERDMA, and one for the original net device >> (virtio-net). They are separated PCI devices. > > Applied to for-next, please sent any further fixes as individual > patches We will. Thank you, Jason. And thank everyone else who gave us lots of help. Cheng Xu
