Re: [Qemu-devel] [RFC PATCH v4 0/8] s390: channel I/O support in qemu.

[Cornelia Huck <cornelia.huck@de.ibm.com>]

On Mon, 10 Dec 2012 09:02:51 +0100
Alexander Graf <agraf@suse.de> wrote:

> 
> On 07.12.2012, at 13:50, Cornelia Huck wrote:
> 
> > Hi,
> > 
> > just a quick dump of my qemu patch series for channel I/O.
> > 
> > I've managed to chop the virtual css patch into some smaller
> > chunks (patches 2-6), which are hopefully easier to review.
> > 
> > The virtio-ccw patch is still based upon the current virtio
> > infrastructure; I'll try to rebase it upon the virtio refactoring
> > once that has most of the infrastructure in place.
> 
> I wouldn't want to hold this feature back only for some virtio refactoring. Let's try to get it into shape for now and worry about the refactor work when that's closer to merging.

The virtio-ccw stuff is already in a state where I welcome feedback -
if you keep in mind that the modelling will look a bit different after
the virtio refactoring. (And the other patches could be merged when
ready without waiting for the refactoring.)
> 
> 
> Alex
> 
> > 
> > Cornelia Huck (8):
> >  Update linux headers.
> >  s390: Channel I/O basic defintions.
> >  s390: I/O interrupt and machine check injection.
> >  s390: Add channel I/O instructions.
> >  s390: Virtual channel subsystem support.
> >  s390: Wire up channel I/O in kvm.
> >  s390-virtio: Factor out some initialization code.
> >  s390: Add new channel I/O based virtio transport.
> > 
> > hw/s390-virtio.c                     |  281 +++++---
> > hw/s390x/Makefile.objs               |    2 +
> > hw/s390x/css.c                       | 1195 ++++++++++++++++++++++++++++++++++
> > hw/s390x/css.h                       |   92 +++
> > hw/s390x/virtio-ccw.c                |  909 ++++++++++++++++++++++++++
> > hw/s390x/virtio-ccw.h                |   81 +++
> > linux-headers/asm-generic/kvm_para.h |    4 +
> > linux-headers/asm-powerpc/kvm.h      |   59 ++
> > linux-headers/asm-powerpc/kvm_para.h |    7 +-
> > linux-headers/linux/kvm.h            |   36 +-
> > target-s390x/Makefile.objs           |    2 +-
> > target-s390x/cpu.h                   |  230 +++++++
> > target-s390x/helper.c                |  145 +++++
> > target-s390x/ioinst.c                |  726 +++++++++++++++++++++
> > target-s390x/ioinst.h                |  223 +++++++
> > target-s390x/kvm.c                   |  246 ++++++-
> > trace-events                         |   18 +
> > 17 files changed, 4161 insertions(+), 95 deletions(-)
> > create mode 100644 hw/s390x/css.c
> > create mode 100644 hw/s390x/css.h
> > create mode 100644 hw/s390x/virtio-ccw.c
> > create mode 100644 hw/s390x/virtio-ccw.h
> > create mode 100644 linux-headers/asm-generic/kvm_para.h
> > create mode 100644 target-s390x/ioinst.c
> > create mode 100644 target-s390x/ioinst.h
> > 
> > -- 
> > 1.7.12.4
> > 
>