Re: [Qemu-devel] [PATCH RFC v3 04/15] vfio: ccw: basic implementation for vfio_ccw driver

2017-02-21 Thread Dong Jia Shi
* Cornelia Huck [2017-02-21 16:43:07 +0100]: > On Tue, 21 Feb 2017 15:36:23 +0800 > Dong Jia Shi wrote: > > > * Cornelia Huck [2017-02-20 19:31:13 +0100]: > > > > > On Fri, 17 Feb 2017 09:29:28 +0100 > > > Dong

Re: [Qemu-devel] [PATCH RFC v3 04/15] vfio: ccw: basic implementation for vfio_ccw driver

2017-02-21 Thread Cornelia Huck
On Tue, 21 Feb 2017 15:36:23 +0800 Dong Jia Shi wrote: > * Cornelia Huck [2017-02-20 19:31:13 +0100]: > > > On Fri, 17 Feb 2017 09:29:28 +0100 > > Dong Jia Shi wrote: > > > > > To make vfio support subchannel

Re: [Qemu-devel] [PATCH RFC v3 04/15] vfio: ccw: basic implementation for vfio_ccw driver

2017-02-20 Thread Dong Jia Shi
* Dong Jia Shi [2017-02-21 15:36:23 +0800]: [...] > > > +static int vfio_ccw_sch_probe(struct subchannel *sch) > > > +{ > > > + struct pmcw *pmcw = >schib.pmcw; > > > + struct vfio_ccw_private *private; > > > + int ret; > > > + > > > + if (pmcw->qf) { > > > +

Re: [Qemu-devel] [PATCH RFC v3 04/15] vfio: ccw: basic implementation for vfio_ccw driver

2017-02-20 Thread Dong Jia Shi
* Cornelia Huck [2017-02-20 19:31:13 +0100]: > On Fri, 17 Feb 2017 09:29:28 +0100 > Dong Jia Shi wrote: > > > To make vfio support subchannel devices, we need a css driver for > > the vfio subchannels. This patch adds a basic vfio-ccw

Re: [Qemu-devel] [PATCH RFC v3 04/15] vfio: ccw: basic implementation for vfio_ccw driver

2017-02-20 Thread Cornelia Huck
On Fri, 17 Feb 2017 09:29:28 +0100 Dong Jia Shi wrote: > To make vfio support subchannel devices, we need a css driver for > the vfio subchannels. This patch adds a basic vfio-ccw subchannel > driver for this purpose. > > To enable VFIO for vfio-ccw, enable

[Qemu-devel] [PATCH RFC v3 04/15] vfio: ccw: basic implementation for vfio_ccw driver

2017-02-17 Thread Dong Jia Shi
To make vfio support subchannel devices, we need a css driver for the vfio subchannels. This patch adds a basic vfio-ccw subchannel driver for this purpose. To enable VFIO for vfio-ccw, enable S390_CCW_IOMMU config option and configure VFIO as required. Signed-off-by: Dong Jia Shi