Re: [PATCH v4 00/16] basic vfio-ccw infrastructure

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On Fri, 17 Mar 2017 04:17:27 +0100
Dong Jia Shi <bjsdjshi@xxxxxxxxxxxxxxxxxx> wrote:

> Dong Jia Shi (16):
>   s390: cio: introduce cio_cancel_halt_clear
>   s390: cio: export more interfaces
>   vfio: ccw: define device_api strings
>   vfio: ccw: basic implementation for vfio_ccw driver
>   vfio: ccw: introduce channel program interfaces
>   vfio: ccw: register vfio_ccw to the mediated device framework
>   vfio: ccw: introduce ccw_io_region
>   vfio: ccw: handle ccw command request
>   vfio: ccw: realize VFIO_DEVICE_GET_REGION_INFO ioctl
>   vfio: ccw: realize VFIO_DEVICE_RESET ioctl
>   vfio: ccw: realize VFIO_DEVICE_G(S)ET_IRQ_INFO ioctls
>   vfio: ccw: return I/O results asynchronously
>   vfio: ccw: introduce a finite state machine
>   docs: add documentation for vfio-ccw
>   vfio: ccw: introduce support for ccw0
>   MAINTAINERS: Add vfio-ccw maintainers
> 
>  Documentation/s390/00-INDEX         |   2 +
>  Documentation/s390/vfio-ccw.txt     | 303 +++++++++++++
>  MAINTAINERS                         |  10 +
>  arch/s390/Kconfig                   |  10 +
>  arch/s390/include/asm/cio.h         |  18 +
>  arch/s390/include/asm/isc.h         |   1 +
>  drivers/iommu/Kconfig               |   8 +
>  drivers/s390/cio/Makefile           |   3 +
>  drivers/s390/cio/cio.c              |  69 +++
>  drivers/s390/cio/cio.h              |   1 +
>  drivers/s390/cio/device_fsm.c       |  54 +--
>  drivers/s390/cio/vfio_ccw_cp.c      | 842 ++++++++++++++++++++++++++++++++++++
>  drivers/s390/cio/vfio_ccw_cp.h      |  42 ++
>  drivers/s390/cio/vfio_ccw_drv.c     | 308 +++++++++++++
>  drivers/s390/cio/vfio_ccw_fsm.c     | 207 +++++++++
>  drivers/s390/cio/vfio_ccw_ops.c     | 447 +++++++++++++++++++
>  drivers/s390/cio/vfio_ccw_private.h |  96 ++++
>  include/uapi/linux/vfio.h           |  18 +
>  include/uapi/linux/vfio_ccw.h       |  24 +
>  19 files changed, 2417 insertions(+), 46 deletions(-)
>  create mode 100644 Documentation/s390/vfio-ccw.txt
>  create mode 100644 drivers/s390/cio/vfio_ccw_cp.c
>  create mode 100644 drivers/s390/cio/vfio_ccw_cp.h
>  create mode 100644 drivers/s390/cio/vfio_ccw_drv.c
>  create mode 100644 drivers/s390/cio/vfio_ccw_fsm.c
>  create mode 100644 drivers/s390/cio/vfio_ccw_ops.c
>  create mode 100644 drivers/s390/cio/vfio_ccw_private.h
>  create mode 100644 include/uapi/linux/vfio_ccw.h
> 

Patch set looks good to me, and I think we should target it for the
next merge window (the interface looks fine, and we can iron out any
other things later.)

Question: Which tree should this go through? Vfio or kvm/s390?




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