Re: [Qemu-devel] [PATCH v2 0/5] s390x: vfio-ap: guest dedicated crypto adapters

2018-03-07 Thread Christian Borntraeger
On 03/07/2018 11:22 AM, Pierre Morel wrote: > On 06/03/2018 18:10, David Hildenbrand wrote: >>> If L2 forward devices to L3 through SIE ECA.28 but no bit is set is in >>> the CRYCB of L2, >>> L3 will not see any device. >> Exactly and this is the problem: How should L2 know that these devices >>

Re: [Qemu-devel] [PATCH v2 0/5] s390x: vfio-ap: guest dedicated crypto adapters

2018-03-07 Thread Pierre Morel
On 06/03/2018 18:10, David Hildenbrand wrote: If L2 forward devices to L3 through SIE ECA.28 but no bit is set is in the CRYCB of L2, L3 will not see any device. Exactly and this is the problem: How should L2 know that these devices are special and cannot be forwarded. This is what we call

Re: [Qemu-devel] [PATCH v2 0/5] s390x: vfio-ap: guest dedicated crypto adapters

2018-03-06 Thread David Hildenbrand
> If L2 forward devices to L3 through SIE ECA.28 but no bit is set is in > the CRYCB of L2, > L3 will not see any device. Exactly and this is the problem: How should L2 know that these devices are special and cannot be forwarded. > >> >> This is what we call the nightmare of nested

Re: [Qemu-devel] [PATCH v2 0/5] s390x: vfio-ap: guest dedicated crypto adapters

2018-03-06 Thread Pierre Morel
On 06/03/2018 11:01, David Hildenbrand wrote: On 27.02.2018 16:44, Tony Krowiak wrote: This patch series is the QEMU counterpart to the KVM/kernel support for guest dedicated crypto adapters. The KVM/kernel model is built on the VFIO mediated device framework and provides the infrastructure for

Re: [Qemu-devel] [PATCH v2 0/5] s390x: vfio-ap: guest dedicated crypto adapters

2018-03-06 Thread David Hildenbrand
On 27.02.2018 16:44, Tony Krowiak wrote: > This patch series is the QEMU counterpart to the KVM/kernel support for > guest dedicated crypto adapters. The KVM/kernel model is built on the > VFIO mediated device framework and provides the infrastructure for > granting exclusive guest access to

Re: [Qemu-devel] [PATCH v2 0/5] s390x: vfio-ap: guest dedicated crypto adapters

2018-02-27 Thread no-reply
Hi, This series seems to have some coding style problems. See output below for more information: Type: series Message-id: 1519746259-27710-1-git-send-email-akrow...@linux.vnet.ibm.com Subject: [Qemu-devel] [PATCH v2 0/5] s390x: vfio-ap: guest dedicated crypto adapters === TEST SCRIPT BEGIN

[Qemu-devel] [PATCH v2 0/5] s390x: vfio-ap: guest dedicated crypto adapters

2018-02-27 Thread Tony Krowiak
This patch series is the QEMU counterpart to the KVM/kernel support for guest dedicated crypto adapters. The KVM/kernel model is built on the VFIO mediated device framework and provides the infrastructure for granting exclusive guest access to crypto devices installed on the linux host. This