Re: [Qemu-devel] [PATCH v4 00/11] basic channel IO passthrough infrastructure based on vfio

[Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>]

* Cornelia Huck <cornelia.huck@de.ibm.com> [2017-04-11 11:06:58 +0200]:

> On Fri, 17 Mar 2017 04:19:17 +0100
> Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com> wrote:
> 
> > The patch series introduce a basic channel I/O passthrough
> > infrastructure based on vfio.
> 
> I think this is basically ready for 2.10, once the kernel changes hit
> master (they are queued in the s390 tree).
:>

> 
> (...)
> 
> >  default-configs/s390x-softmmu.mak  |   1 +
> >  hw/s390x/Makefile.objs             |   1 +
> >  hw/s390x/css-bridge.c              |   2 +
> >  hw/s390x/css.c                     | 290 ++++++++++++++++++++++--
> >  hw/s390x/s390-ccw.c                | 137 ++++++++++++
> >  hw/s390x/s390-ccw.h                |  39 ++++
> >  hw/s390x/s390-virtio-ccw.c         |  35 ++-
> >  hw/s390x/virtio-ccw.c              |   7 +-
> >  hw/vfio/Makefile.objs              |   1 +
> >  hw/vfio/ccw.c                      | 442 +++++++++++++++++++++++++++++++++++++
> >  include/hw/s390x/css-bridge.h      |   1 +
> >  include/hw/s390x/css.h             |  67 +++---
> >  include/hw/s390x/s390-virtio-ccw.h |   1 +
> >  include/hw/vfio/vfio-common.h      |   1 +
> >  linux-headers/linux/vfio.h         |  17 ++
> >  linux-headers/linux/vfio_ccw.h     |  28 +++
> >  qemu-options.hx                    |   6 +-
> >  target/s390x/cpu.h                 |  10 +
> >  target/s390x/ioinst.c              |   9 +
> >  19 files changed, 1047 insertions(+), 48 deletions(-)
> >  create mode 100644 hw/s390x/s390-ccw.c
> >  create mode 100644 hw/s390x/s390-ccw.h
> >  create mode 100644 hw/vfio/ccw.c
> >  create mode 100644 linux-headers/linux/vfio_ccw.h
> 
> It's probably best to take this through my tree (pending acks of the
> vfio parts from Alex W.). It probably also would be good to add an s390
> maintainer for  hw/vfio/ccw.c (I'd be willing to do that).
> 
> Could you please resend on top of git://github.com/cohuck/qemu s390-next
> and add a MAINTAINERS patch as well?
Sure. Will do.