On Wed, Mar 19, 2025 at 06:56:21PM +0900, Yunjeong Mun wrote: > > These are the root decoders that should map up directly with each CEDT > > CFMWS entry. > > > > 2 of them should have interleave settings. > > > > If you were to then program the endpoint and hostbridge decoders with > > the matching non-interleave address values from the other CEDT entries, > > you could bring each individual device online in its own NUMA node. > > > > I think this means that I can program the endpoint(=cxl_decoder_endpoint) > to map to the 8 CFMWS, and the hostbridge decoder (=cxl_decoder switch) to map > to another 2 CFMWS(cross-host bridge). > you can program any given endpoint decoders to map to either per-device CFMWS, or to the interleave CFMWS - decoders are flexible in this way. The existince of both sets gives you the option of how to program the topology - it's up to you. ~Gregory
