On Thu, Mar 20, 2025 at 07:13:01PM +0800, Yunsheng Lin wrote: > As the existing rdma subsystem doesn't seems to support the above > use case yet Why would you say that? If EFA needs SRD and RDM objects in RDMA they can create them, it is not a big issue. To my knowledge they haven't asked for them. mlx5 has all kinds of wacky objects these days, it is not an issue to allow HW to innovate however it likes within RDMA, and we are not limited to purely IBTA defined verbs like objects any longer. mlx5 already has RDM like objects <shrug> > As the existing rdma subsystem doesn't seems to support the above > use case yet and as we are discussing a possible new subsystem or If you want something concrete then ask for it and we can discuss how to fit it in. Jason