Smith, Stan wrote on Tue, 31 May 2011 at 17:15:49 > 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?
Any idea why there are so many? Are they all of Type=BusRelations? Do we trigger these by reporting a device relations change (via a call to IoInvaliateDeviceRelations)? > An invocation of > 'devcon rescan' invokes 3 separate IRP_MN_QUERY_DEVICE_RELATIONS. Are these all of the same type (Type=BusRelations)? -Fab > > Thanks, > > Stan. > > >> -----Original Message----- From: [email protected] >> [mailto:ofw- [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
