linux-kernel - Re: [RFC 00/19] KVM: s390/crypto/vfio: guest dedicated crypto adapters

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Message-Id: <66490023-ade1-8cac-962f-da0038c26c4d@linux.vnet.ibm.com>
Date:   Mon, 16 Oct 2017 12:30:28 -0400
From:   Tony Krowiak <akrowiak@...ux.vnet.ibm.com>
To:     Christian Borntraeger <borntraeger@...ibm.com>,
        Martin Schwidefsky <schwidefsky@...ibm.com>
Cc:     linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, freude@...ibm.com, heiko.carstens@...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,
        qemu-s390x@...gnu.org, jjherne@...ux.vnet.ibm.com,
        thuth@...hat.com, pasic@...ux.vnet.ibm.com
Subject: Re: [RFC 00/19] KVM: s390/crypto/vfio: guest dedicated crypto
 adapters

On 10/16/2017 06:06 AM, Christian Borntraeger wrote:
>
> On 10/16/2017 11:27 AM, Martin Schwidefsky wrote:
>> On Fri, 13 Oct 2017 13:38:45 -0400
>> Tony Krowiak <akrowiak@...ux.vnet.ibm.com> wrote:
>>
>>> Tony Krowiak (19):
>>>    KVM: s390: SIE considerations for AP Queue virtualization
>>>    KVM: s390: refactor crypto initialization
>>>    s390/zcrypt: new AP matrix bus
>>>    s390/zcrypt: create an AP matrix device on the AP matrix bus
>>>    s390/zcrypt: base implementation of AP matrix device driver
>>>    s390/zcrypt: register matrix device with VFIO mediated device
>>>      framework
>>>    KVM: s390: introduce AP matrix configuration interface
>>>    s390/zcrypt: support for assigning adapters to matrix mdev
>>>    s390/zcrypt: validate adapter assignment
>>>    s390/zcrypt: sysfs interfaces supporting AP domain assignment
>>>    s390/zcrypt: validate domain assignment
>>>    s390/zcrypt: sysfs support for control domain assignment
>>>    s390/zcrypt: validate control domain assignment
>>>    KVM: s390: Connect the AP mediated matrix device to KVM
>>>    s390/zcrypt: introduce ioctl access to VFIO AP Matrix driver
>>>    KVM: s390: interface to configure KVM guest's AP matrix
>>>    KVM: s390: validate input to AP matrix config interface
>>>    KVM: s390: New ioctl to configure KVM guest's AP matrix
>>>    s390/facilities: enable AP facilities needed by guest
>> Overall I am quite happy with the patches, only minor things I would
>> like to see improved. We have to agree how we want to approach the
>> upstream process between my s390/linux tree and the s390/kvm tree.
>> Probably a tip branch again for the both tress to pull from.
> Thanks a lot for the review of the zcrypt patches. Its very good to know
> that these base changes are ok with you.
>
> Regarding merging: yes, this should be a tip branch then. Before that, we
> have to finalize the interface and design to make sure that the changes
> will work throughout the whole stack (kvm/vfio/qemu/libvirt).
I would also like to add my thank you for the review comments. I am 
currently
debugging the QEMU code I've written and Farhan Ali is in the
review process for the libvirt component.
>
>
>