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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [win-pv-devel] Identifying PV disk devices
On 07/13/2015 05:36 PM, Owen Smith wrote: > LocationInformation indicates the TargetId as the middle 2 characters. > The xenstore backend device ID contains a formatted variant of this, as it > encodes > additional information (see xenvbd/fdo.c __ParseVbd() @426) > > The Page 83 data will append the vdi-uuid to any other data (from xenstore or > synthesized) as a vendor specific ascii field. > I see, that's exactly what I needed. Thank you. >> -----Original Message----- >> From: win-pv-devel-bounces@xxxxxxxxxxxxxxxxxxxx [mailto:win-pv-devel- >> bounces@xxxxxxxxxxxxxxxxxxxx] On Behalf Of Paul Durrant >> Sent: 13 July 2015 16:24 >> To: RafaÅ WojdyÅa; win-pv-devel@xxxxxxxxxxxxxxxxxxxx >> Subject: Re: [win-pv-devel] Identifying PV disk devices >> >>> -----Original Message----- >>> From: win-pv-devel-bounces@xxxxxxxxxxxxxxxxxxxx [mailto:win-pv-devel- >>> bounces@xxxxxxxxxxxxxxxxxxxx] On Behalf Of Rafal Wojdyla >>> Sent: 13 July 2015 16:16 >>> To: win-pv-devel@xxxxxxxxxxxxxxxxxxxx >>> Subject: [win-pv-devel] Identifying PV disk devices >>> >>> Hi, >>> >>> Is it possible to obtain the backend device ID for a particular PV >>> disk from user mode? Currently it's hard to identify which disk is >>> which if there are multiple disks attached. The only difference in >>> device properties I found is location, but maybe there is an easier way? >>> >> >> What do you mean by device id? The location is pretty much the main >> distinguishing feature. The driver is capable of taking page 80 and 83 data >> from xenstore if the toolstack puts something there, but xl doesn't do that >> AFAIK. >> >> Paul >> >>> -- >>> RafaÅ WojdyÅa >>> Qubes Tools for Windows developer >>> https://www.qubes-os.org/ >>> -- RafaÅ WojdyÅa Qubes Tools for Windows developer https://www.qubes-os.org/ _______________________________________________ win-pv-devel mailing list win-pv-devel@xxxxxxxxxxxxxxxxxxxx http://lists.xenproject.org/cgi-bin/mailman/listinfo/win-pv-devel
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