linux-kernel - Re: [PATCH v5 11/13] KVM: s390: implement mediated device open callback

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Message-Id: <cb896f9a-9109-e5c7-43a3-c8bc145483d8@linux.ibm.com>
Date:   Mon, 11 Jun 2018 18:50:36 +0200
From:   Halil Pasic <pasic@...ux.ibm.com>
To:     Tony Krowiak <akrowiak@...ux.ibm.com>,
        Janosch Frank <frankja@...ux.ibm.com>, pmorel@...ux.ibm.com,
        linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Cc:     freude@...ibm.com, schwidefsky@...ibm.com,
        heiko.carstens@...ibm.com, borntraeger@...ibm.com,
        cohuck@...hat.com, kwankhede@...dia.com,
        bjsdjshi@...ux.vnet.ibm.com, pbonzini@...hat.com,
        alex.williamson@...hat.com, pmorel@...ux.vnet.ibm.com,
        alifm@...ux.vnet.ibm.com, mjrosato@...ux.vnet.ibm.com,
        jjherne@...ux.vnet.ibm.com, thuth@...hat.com,
        pasic@...ux.vnet.ibm.com, berrange@...hat.com,
        fiuczy@...ux.vnet.ibm.com, buendgen@...ibm.com,
        Janosch Frank <frankja@...ux.vnet.ibm.com>
Subject: Re: [PATCH v5 11/13] KVM: s390: implement mediated device open
 callback



On 06/11/2018 06:26 PM, Tony Krowiak wrote:
>>> @Janosch: Does core KVM share my opinion?
>> At least I do.
>>
>> KVM does not care about who has which crypto queue/card.
>> I'd like to have a driver that does internal bookkeeping and then
>> registers the crycb with KVM, so the VM can use it.
> 
> I am not sure what you mean by "registers the crycb with KVM".
> Can you provide more detail?
> 

I'm pretty sure he means copy the masks form the internal bookkeeping
in the mdev device to the CRYCB fields. Please work on this assumption.

Halil