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Introduce public header which provides set of API functions to establish RDMA connections from client to server machine using RTRS protocol, which manages RDMA connections for each session, does multipathing and load balancing. Main functions for client (active) side: rtrs_clt_open() - Creates set of RDMA connections incapsulated in IBTRS session and returns pointer on RTRS session object. rtrs_clt_close() - Closes RDMA connections associated with RTRS session. rtrs_clt_request() - Requests zero-copy RDMA transfer to/from server. Main functions for server (passive) side: rtrs_srv_open() - Starts listening for RTRS clients on specified port and invokes RTRS callbacks for incoming RDMA requests or link events. rtrs_srv_close() - Closes RTRS server context. Link: https://lore.kernel.org/r/20200511135131.27580-3-danil.kipnis@cloud.ionos.com Signed-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> |
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