Hefty, Sean wrote on Thu, 3 Jun 2010 at 11:11:21 >>>> How do the Linux drivers set this? Isn't there a local MAD you issue >>>> to the HCA to set the node description? >>> >>> I think linux reads this from a file. >> >> What I meant is, how does Linux program this into the HCA so that a >> request for node description returns the proper data? > > My guess is part of the bring up scripts to load the drivers write a > node description value to a file, which is seen by the HCA driver. > > For example, on a system running kernel.org 2.6.34-rc7 the node_desc > that I see is: > > MT25208 InfiniHostEx Mellanox Technologies > > If I write to the node_desc file, the description changes as expected. > However, if I unload then reload the driver, the node_desc is reset.
Ok, what does the code that detects the file change do to program the updated node description? -Fab _______________________________________________ ofw mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ofw
