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From: Tony Krowiak <akrowiak@linux.vnet.ibm.com>
To: Cornelia Huck <cohuck@redhat.com>,
	Pierre Morel <pmorel@linux.vnet.ibm.com>,
	buendgen@de.ibm.com
Cc: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,
	kvm@vger.kernel.org, freude@de.ibm.com, schwidefsky@de.ibm.com,
	heiko.carstens@de.ibm.com, borntraeger@de.ibm.com,
	kwankhede@nvidia.com, bjsdjshi@linux.vnet.ibm.com,
	pbonzini@redhat.com, alex.williamson@redhat.com,
	alifm@linux.vnet.ibm.com, mjrosato@linux.vnet.ibm.com,
	jjherne@linux.vnet.ibm.com, thuth@redhat.com,
	pasic@linux.vnet.ibm.com, berrange@redhat.com,
	fiuczy@linux.vnet.ibm.com
Subject: Re: [PATCH v4 15/15] s390: doc: detailed specifications for AP virtualization
Date: Tue, 17 Apr 2018 12:16:32 -0400	[thread overview]
Message-ID: <c7c9b2d6-cea6-157c-b5fd-e9ac11705599@linux.vnet.ibm.com> (raw)
In-Reply-To: <20180416155353.01bee181.cohuck@redhat.com>

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.

>

  reply	other threads:[~2018-04-17 16:16 UTC|newest]

Thread overview: 86+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-15 21:22 [PATCH v4 00/15] s390: vfio-ap: guest dedicated crypto adapters Tony Krowiak
2018-04-15 21:22 ` [PATCH v4 01/15] s390: zcrypt: externalize AP instructions available function Tony Krowiak
2018-04-16  8:44   ` Pierre Morel
2018-04-16 12:11     ` Cornelia Huck
2018-04-17 13:31       ` Tony Krowiak
2018-04-17 16:56         ` Cornelia Huck
2018-04-17 18:14           ` Tony Krowiak
     [not found]           ` <db4245ec-0191-2c32-5c1c-12af50b944c6@linux.vnet.ibm.com>
2018-04-23  7:04             ` Cornelia Huck
2018-04-16 15:59   ` Pierre Morel
     [not found]     ` <OFF71B62BB.95581C62-ON00258272.00264957-C1258272.0026A1CA@notes.na.collabserv.com>
2018-04-17 12:44       ` Pierre Morel
2018-05-04  7:19   ` David Hildenbrand
2018-05-07 14:02     ` Tony Krowiak
2018-05-07 14:55       ` David Hildenbrand
2018-04-15 21:22 ` [PATCH v4 02/15] KVM: s390: reset crypto attributes for all vcpus Tony Krowiak
2018-04-17 11:34   ` Cornelia Huck
2018-04-17 13:47     ` Tony Krowiak
2018-04-17 14:09       ` Cornelia Huck
2018-04-17 14:29   ` Halil Pasic
2018-04-17 14:55     ` Tony Krowiak
2018-04-17 15:10       ` Cornelia Huck
2018-04-17 17:54         ` Tony Krowiak
2018-04-15 21:22 ` [PATCH v4 03/15] KVM: s390: refactor crypto initialization Tony Krowiak
2018-04-16  8:56   ` Pierre Morel
     [not found]     ` <OFE3FE11B1.8E1BDDEF-ON00258272.002AEDB1-C1258272.002B06EF@notes.na.collabserv.com>
2018-04-17 10:10       ` Cornelia Huck
2018-04-17 10:10         ` Cornelia Huck
2018-04-17 14:26         ` Tony Krowiak
2018-04-17 15:21           ` Cornelia Huck
2018-04-17 18:08             ` Tony Krowiak
2018-04-18  7:49               ` Cornelia Huck
2018-04-22 14:52                 ` Tony Krowiak
2018-04-23  7:03                   ` Cornelia Huck
2018-04-24 13:01                     ` Tony Krowiak
2018-04-24 13:13                       ` Cornelia Huck
2018-04-17 14:15     ` Tony Krowiak
2018-04-17 15:52       ` Pierre Morel
2018-04-22 21:11         ` Tony Krowiak
2018-04-17 14:30   ` Tony Krowiak
2018-04-15 21:22 ` [PATCH v4 04/15] KVM: s390: CPU model support for AP virtualization Tony Krowiak
2018-04-15 21:22 ` [PATCH v4 05/15] KVM: s390: enable/disable AP interpretive execution Tony Krowiak
2018-04-16 10:51   ` Pierre Morel
2018-04-16 11:13     ` Pierre Morel
2018-04-16 11:52       ` Halil Pasic
2018-04-17 15:12         ` Tony Krowiak
2018-04-17 15:09       ` Tony Krowiak
2018-04-17 15:02     ` Tony Krowiak
2018-04-17 16:13       ` Pierre Morel
2018-04-17 16:22         ` Tony Krowiak
2018-04-17 16:55           ` Pierre Morel
2018-04-17 18:11             ` Tony Krowiak
2018-04-18  8:31               ` Pierre Morel
2018-04-19 14:28                 ` Tony Krowiak
2018-04-17 16:34         ` Tony Krowiak
2018-04-16 11:12   ` Halil Pasic
2018-04-17 15:11     ` Tony Krowiak
2018-04-15 21:22 ` [PATCH v4 06/15] s390: vfio-ap: base implementation of VFIO AP device driver Tony Krowiak
2018-04-15 21:22 ` [PATCH v4 07/15] s390: vfio-ap: register matrix device with VFIO mdev framework Tony Krowiak
2018-04-15 21:22 ` [PATCH v4 08/15] KVM: s390: interfaces to (de)configure guest's AP matrix Tony Krowiak
2018-04-16  5:04   ` kbuild test robot
2018-04-16  5:04     ` kbuild test robot
2018-04-23 13:46   ` Pierre Morel
2018-04-25 16:21     ` Tony Krowiak
2018-05-02 14:57       ` Pierre Morel
2018-05-03 14:41         ` Tony Krowiak
2018-05-03 16:01           ` Pierre Morel
2018-05-07 14:14             ` Tony Krowiak
2018-04-15 21:22 ` [PATCH v4 09/15] s390: vfio-ap: sysfs interfaces to configure adapters Tony Krowiak
2018-04-15 21:22 ` [PATCH v4 10/15] s390: vfio-ap: sysfs interfaces to configure domains Tony Krowiak
2018-04-15 21:22 ` [PATCH v4 11/15] s390: vfio-ap: sysfs interfaces to configure control domains Tony Krowiak
2018-04-15 21:22 ` [PATCH v4 12/15] s390: vfio-ap: sysfs interface to view matrix mdev matrix Tony Krowiak
2018-04-15 21:22 ` [PATCH v4 13/15] KVM: s390: configure the guest's AP devices Tony Krowiak
2018-04-16 13:05   ` Pierre Morel
2018-04-16 14:51     ` Halil Pasic
2018-04-17 16:12       ` Tony Krowiak
2018-04-17 16:08     ` Tony Krowiak
2018-04-17 16:18       ` Pierre Morel
2018-04-17 16:36         ` Tony Krowiak
2018-04-18 11:56   ` Pierre Morel
2018-04-22 14:54     ` Tony Krowiak
2018-04-15 21:22 ` [PATCH v4 14/15] s390: vfio-ap: implement VFIO_DEVICE_GET_INFO ioctl Tony Krowiak
2018-04-15 21:22 ` [PATCH v4 15/15] s390: doc: detailed specifications for AP virtualization Tony Krowiak
2018-04-16 13:13   ` Pierre Morel
2018-04-16 13:53     ` Cornelia Huck
2018-04-17 16:16       ` Tony Krowiak [this message]
2018-04-17 16:14     ` Tony Krowiak
2018-04-17 16:25       ` Pierre Morel
2018-04-17 16:37         ` Tony Krowiak

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