Re: [Qemu-devel] [PATCH 0/2] ccw interpretation AR compliance improvements

[Cornelia Huck <cohuck@redhat.com>]

On Thu, 27 Jul 2017 15:52:23 +0200
Halil Pasic <pasic@linux.vnet.ibm.com> wrote:

> On 07/27/2017 03:40 PM, Cornelia Huck wrote:
> > On Thu, 27 Jul 2017 15:18:01 +0200
> > Halil Pasic <pasic@linux.vnet.ibm.com> wrote:
> >   
> >> [Re-posting my previous reply because I've accidentally
> >> dropped almost all addresses.]
> >>
> >> On 07/27/2017 10:26 AM, Cornelia Huck wrote:  
> >>> On Wed, 26 Jul 2017 00:44:40 +0200
> >>> Halil Pasic <pasic@linux.vnet.ibm.com> wrote:  
> >   
> >>>> Regarding testing: did not do much more than a simple smoke test
> >>>> with virtio-ccw.    
> >>>
> >>> I think we need a way to throw random channel programs at a channel
> >>> device...
> >>>     
> >>
> >> By random do you mean random random, or do you mean carefully crafted
> >> to provoke (and verify) certain responses. If it's more like the second
> >> case I've actually wrote something (a kernel driver) for 'internal use'
> >> but at the moment it's limited to indirect data access support (no test
> >> cases for invalid invalid channel programs).  
> > 
> > That's what I've been thinking of. Standalone guest code would be even
> > better (can be integrated into automatic testing), but it's certainly
> > useful.
> >   
> >> The 'internal guys' say it
> >> probably ain't interesting for the rest of the world make this external,
> >> but if you are interested I could send you the patch these days.  
> > 
> > Would be great if you could make this available. It is especially
> > interesting for me, but possibly for other folks working on s390 as well.  
> 
> It is very wip and I don't feel comfortable with sharing it
> with the world yet. But I'm definitely interested in making this
> available. I haven't figured out what would be the best way to make
> it available, and I hope you can help me with that.

Do you have a git tree somewhere you can dump it?

> 
> > 
> > Might be good together with an "eat this" channel device in qemu.
> >   
> 
> If course I do have a qemu counterpart.

And of course I'd love to see that as well :)

> 
> To sum it up, one I'm done with the next iteration I'm gonna send
> you with the patches unless you say otherwise.
> 
> Regards,
> Halil
>