Messages in this thread | | | Subject | Re: [PATCH v4 15/15] s390: doc: detailed specifications for AP virtualization | From | Tony Krowiak <> | Date | Tue, 17 Apr 2018 12:16:32 -0400 |
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On 04/16/2018 09:53 AM, Cornelia Huck wrote: > On Mon, 16 Apr 2018 15:13:59 +0200 > Pierre Morel <pmorel@linux.vnet.ibm.com> wrote: > >> On 15/04/2018 23:22, Tony Krowiak wrote: >>> +* Register with the ap_bus for AP queue devices of type CEX4, CEX5 and >>> + CEX6 and to provide the vfio_ap driver's probe and remove callback interfaces. >> I wonder why the type of card has anything to do with this driver. >> It should be transparent, the driver should be able to provide the >> matrix (APM/AQM/ADM) >> independently from the type of card in the slot. > Would also be interested why this is limited to certain, newer cards. > Did some kind of interface change (I dimly recall something like that), > or are simply no old systems with those older card types around to check > whether it works?
That was a restriction recommended by our crypto architect.
> > In either case, a short note would be good (does not need to go into > any details).
I can do that.
>
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