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Re: [Qemu-devel] [PATCH v4 01/16] s390: cio: introduce cio_cancel_halt_c
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From: |
Dong Jia Shi |
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Subject: |
Re: [Qemu-devel] [PATCH v4 01/16] s390: cio: introduce cio_cancel_halt_clear |
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Date: |
Fri, 17 Mar 2017 17:39:53 +0800 |
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User-agent: |
Mutt/1.7.0 (2016-08-17) |
* Sebastian Ott <address@hidden> [2017-03-17 10:26:51 +0100]:
> On Fri, 17 Mar 2017, Dong Jia Shi wrote:
> > For future code reuse purpose, this decouples the cio code with
> > the ccw device specific parts from ccw_device_cancel_halt_clear,
> > and makes a new common I/O interface named cio_cancel_halt_clear.
>
> What would the user of cio_cancel_halt_clear be?
Hi Sebastian,
We are trying to introduce a new I/O subchannel driver to enable usage
of I/O subchannels via VFIO-CCW, so we can passthru a subchannel to a
KVM guest. And that new vfio-ccw subchannel driver is the user. :>
>
> Sebastian
--
Dong Jia