From: Stefan Hajnoczi <stefanha@redhat.com>
To: Thanos Makatos <thanos.makatos@nutanix.com>
Cc: benjamin.walker@intel.com, elena.ufimtseva@oracle.com,
tomassetti.andrea@gmail.com,
John G Johnson <john.g.johnson@oracle.com>,
jag.raman@oracle.com, james.r.harris@intel.com,
swapnil.ingle@nutanix.com, konrad.wilk@oracle.com,
yuvalkashtan@gmail.com, qemu-devel@nongnu.org,
raphael.norwitz@nutanix.com, ismael@linux.com,
alex.williamson@redhat.com, Kanth.Ghatraju@oracle.com,
felipe@nutanix.com, xiuchun.lu@intel.com,
marcandre.lureau@redhat.com, tina.zhang@intel.com,
changpeng.liu@intel.com, dgilbert@redhat.com
Subject: Re: [PATCH v4] introduce vfio-user protocol specification
Date: Tue, 29 Sep 2020 11:41:54 +0100 [thread overview]
Message-ID: <20200929104154.GC181609@stefanha-x1.localdomain> (raw)
In-Reply-To: <1600180157-74760-1-git-send-email-thanos.makatos@nutanix.com>
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On Tue, Sep 15, 2020 at 07:29:17AM -0700, Thanos Makatos wrote:
> This patch introduces the vfio-user protocol specification (formerly
> known as VFIO-over-socket), which is designed to allow devices to be
> emulated outside QEMU, in a separate process. vfio-user reuses the
> existing VFIO defines, structs and concepts.
>
> It has been earlier discussed as an RFC in:
> "RFC: use VFIO over a UNIX domain socket to implement device offloading"
>
> Signed-off-by: John G Johnson <john.g.johnson@oracle.com>
> Signed-off-by: Thanos Makatos <thanos.makatos@nutanix.com>
I reviewed the recently-added kernel VFIO_IOMMU_DIRTY_PAGES ioctl and
VFIO_REGION_TYPE_MIGRATION features. They enable live migration and
device state save/load.
Including them early would be good because it's difficult to retrofit
live migration into existing code later.
Stefan
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next prev parent reply other threads:[~2020-09-29 10:43 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-17 11:20 [PATCH v3] introduce VFIO-over-socket protocol specificaion Thanos Makatos
2020-07-21 16:33 ` Nikos Dragazis
2020-07-22 11:43 ` Thanos Makatos
2020-09-15 14:29 ` [PATCH v4] introduce vfio-user protocol specification Thanos Makatos
2020-09-24 8:21 ` Stefan Hajnoczi
2020-09-24 9:24 ` Michael S. Tsirkin
2020-09-28 9:58 ` Thanos Makatos
2020-09-29 10:37 ` Stefan Hajnoczi
2020-09-29 16:21 ` John G Johnson
2020-09-30 14:24 ` Stefan Hajnoczi
2020-10-02 10:14 ` Felipe Franciosi
2020-10-13 9:30 ` Stefan Hajnoczi
2020-10-15 13:36 ` Felipe Franciosi
2020-10-30 19:14 ` Stefan Hajnoczi
2020-10-13 9:42 ` Daniel P. Berrangé
2020-09-29 10:41 ` Stefan Hajnoczi [this message]
2020-10-28 16:10 ` [PATCH v5] " Thanos Makatos
2020-10-28 16:41 ` Thanos Makatos
2020-10-30 17:03 ` John Levon
2020-11-02 11:29 ` Thanos Makatos
2020-11-02 11:41 ` John Levon
2020-11-02 11:51 ` Thanos Makatos
2020-11-06 1:50 ` John G Johnson
2020-11-07 12:26 ` John Levon
2020-11-09 12:07 ` Thanos Makatos
2020-11-09 9:20 ` Thanos Makatos
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