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charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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. >=20 > It has been earlier discussed as an RFC in: > "RFC: use VFIO over a UNIX domain socket to implement device offloading" >=20 > Signed-off-by: John G Johnson > Signed-off-by: Thanos Makatos 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 --f0KYrhQ4vYSV2aJu Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAl9zD3EACgkQnKSrs4Gr c8gvCggAkCv1be+K0JEg+YdCyJxExpNwP/bAdCb1KWGLbv14ZsNyTccxZsitorbl nvOSdUvlPo32/lwif1CUlOnaVvhFBLvkpRS6/ZkUkwjxg2tC6AfNt/bXYhbl2Le2 JVyU3tVS5KXBeSC4EC++ostE3wrDsLaD9RH5Su/Rt8aZxgH1dAwxGfaeB6aTybXZ HC9jTUDIpRmaZ8MR/tYRosUSMnwpEeekCODyB5L8S4ZoBih9qTkesAbO9OsrznT/ noKbQZjC+ILxsfd4ESt9i/l6TcwjZxVclhufLEx+3gT+oyknDAfYEGUvDdxTdBoW Xrqkj83JqWRuOtJ37Gm/gP0qKCFhPQ== =Ux3r -----END PGP SIGNATURE----- --f0KYrhQ4vYSV2aJu--