Hi Fab, Your idea of IOC scanning on the bus driver occurrence of IRP_MN_QUERY_DEVICE_RELATIONS has merit, might you suggest a filter as there are at least 8 occurrences during a reboot? An invocation of 'devcon rescan' invokes 3 separate IRP_MN_QUERY_DEVICE_RELATIONS.
Thanks, Stan. >-----Original Message----- >From: [email protected] >[mailto:[email protected]] On Behalf Of Fab Tillier >Sent: Tuesday, May 03, 2011 11:22 AM >To: Hefty, Sean; Tzachi Dar; [email protected] >Subject: Re: [ofw] Doing queries on subnet every 30 seconds > >Hefty, Sean wrote on Mon, 2 May 2011 at 10:54:36 > >>> Is there any objection to disable it by default? >> >> I don't object, in fact, I'd prefer it. > >We shouldn't be querying on a fixed interval. I think it would be good to >leave the logic there and issue a query when >IRP_MJ_PNP:IRP_MN_QUERY_DEVICE_RELATIONS is received by the bus driver. That >way, I/O devices can be discovered when users click >the "rescan hardware" button in the device manager, but otherwise things stay >quiet. > >Longer term, we would probably want some configuration tools to discover and >configure I/O devices. I believe there's already some logic >in the bus driver to configure devices statically (at the very least this is >how IPoIB is reported, but I thought this was extended to support >Xsigo), so we're probably just missing tools for discovery/management of those >static entries. > >-Fab > >> _______________________________________________ ofw mailing list >> [email protected] >> http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ofw >_______________________________________________ >ofw mailing list >[email protected] >http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ofw _______________________________________________ ofw mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ofw
