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

[Cornelia Huck]

On Mon, 10 Dec 2012 09:02:51 +0100
Alexander Graf <address@hidden> 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
> > 
>