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Re: [Qemu-devel] [PATCH v6 0/5] s390x: vfio-ap: guest dedicated crypto a
From: |
Cornelia Huck |
Subject: |
Re: [Qemu-devel] [PATCH v6 0/5] s390x: vfio-ap: guest dedicated crypto adapters |
Date: |
Wed, 8 Aug 2018 09:34:15 +0200 |
On Tue, 7 Aug 2018 18:41:29 -0400
Tony Krowiak <address@hidden> wrote:
> Ping
Maybe send a new version when the kernel part is sent again? I don't
think I had any further comments.
>
> On 06/29/2018 06:47 PM, Tony Krowiak wrote:
> > From: Tony Krowiak <address@hidden>
> >
> > 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 patch series introduces a new QEMU command line option, QEMU
> > object model and CPU model features to exploit the KVM/kernel model.
> >
> > See the detailed specifications for AP virtualization provided by this
> > patch set in docs/vfio-ap.txt for a more complete discussion of the
> > design introduced by this patch series.
> >
> > Note: This series implements the minimal viable product (MVP) and does not
> > provide support for hot plug/unplug or migration. The goal
> > of the MVP model is to solidify a base upon which these additional
> > features will be built.
> >
> > --
> > v5 => v6 Change log:
> > ===================
> > * Added reset handling fo vfio-ap device
> > * Added a bridge/bus to AP device object model - thanks to Halil Pasic
> >
> > v4 => v5 Change log:
> > ===================
> > * Added MAINTAINERS entries for VFIO AP
> > * Added explanation for why we are only supporting zEC12 and newer CPU
> > models.
> > * Changed CPU model feature qci=on|off to apqci=on|off
> > * Misc. minor changes
> >
> > v3 => v4 Change log:
> > ===================
> > * Made vfio-ap device unpluggable for now
> > * Renamed command line CPU model feature for QCI: qci=on -> apqci=on
> > * Removed call to KVM_S390_VM_CRYPTO_INTERPRET_AP ioctl - ioctl was
> > removed from kernel and AP instruction interpretation is set from the
> > VFIO device driver
> > * Added check to ensure only one vfio-ap device can be configured per
> > guest
> > * Removed AP instruction interception handlers: AP instructions will be
> > interpreted by default if AP facilities are installed to handle the case
> > where feature ap=on and no vfio-ap device is configured for the guest.
> >
> >
> > Tony Krowiak (5):
> > linux-headers: linux header updates for AP support
> > s390x/cpumodel: Set up CPU model for AP device support
> > s390x/ap: base Adjunct Processor (AP) object model
> > s390x/vfio: ap: Introduce VFIO AP device
> > s390: doc: detailed specifications for AP virtualization
> >
> > MAINTAINERS | 14 +
> > default-configs/s390x-softmmu.mak | 1 +
> > docs/vfio-ap.txt | 649
> > +++++++++++++++++++++++++++++++++++++
> > hw/s390x/Makefile.objs | 2 +
> > hw/s390x/ap-bridge.c | 76 +++++
> > hw/s390x/ap-device.c | 39 +++
> > hw/s390x/s390-virtio-ccw.c | 4 +
> > hw/vfio/Makefile.objs | 1 +
> > hw/vfio/ap.c | 183 +++++++++++
> > include/hw/s390x/ap-bridge.h | 37 +++
> > include/hw/s390x/ap-device.h | 38 +++
> > include/hw/vfio/vfio-common.h | 1 +
> > linux-headers/asm-s390/kvm.h | 2 +
> > linux-headers/linux/vfio.h | 2 +
> > target/s390x/cpu_features.c | 3 +
> > target/s390x/cpu_features_def.h | 3 +
> > target/s390x/cpu_models.c | 2 +
> > target/s390x/gen-features.c | 3 +
> > target/s390x/kvm.c | 1 +
> > 19 files changed, 1061 insertions(+), 0 deletions(-)
> > create mode 100644 docs/vfio-ap.txt
> > create mode 100644 hw/s390x/ap-bridge.c
> > create mode 100644 hw/s390x/ap-device.c
> > create mode 100644 hw/vfio/ap.c
> > create mode 100644 include/hw/s390x/ap-bridge.h
> > create mode 100644 include/hw/s390x/ap-device.h
> >
>