On Tue, 2011-01-18 at 11:53 -0800, Vu Pham wrote: > Our hw/fw guys confirm that there is no problem, my suspect is wrong. > > To explain clearly how hw translate from remote rdma address to physical > address in fmr's MTT > > X = requested/rdma_va - MPT.start + MPT.fbo > MTT index = X / MPT.blocksize > MTT offset = X % MPT.blocksize > PA = MTT[index] + MTT offset > > MPT - memory protection table > MTT - memory translation table
Thanks for following up... unfortunately, we're still in the dark as to the bug this was intended to solve. :/ And thanks for the information about how the mapping works, that's good to know. -- Dave Dillow National Center for Computational Science Oak Ridge National Laboratory (865) 241-6602 office -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html