Re: [Qemu-devel] [PATCH v2 0/4] add CCW indirect data access support

[Cornelia Huck <cohuck@redhat.com>]

On Wed, 13 Sep 2017 13:50:25 +0200
Halil Pasic <pasic@linux.vnet.ibm.com> wrote:

> Abstract
> --------
> 
> The objective of this series is introducing CCW IDA (indirect data
> access) support to our virtual channel subsystem implementation. Briefly
> CCW IDA can be thought of as a kind of a scatter gather support for a
> single CCW. If certain flags are set, the cda is to be interpreted as an
> address to a list which in turn holds further addresses designating the
> actual data.  Thus the scheme which we are currently using for accessing
> CCW payload does not work in general case. Currently there is no
> immediate need for proper IDA handling (no use case), but since it IDA is
> a non-optional part of the architecture, the only way towards AR
> compliance is actually implementing IDA.
> 
> Testing
> -------
> 
> On request the things meant for testing from v1 were factored out
> into a separate series (requested by Connie). Please look for
> the series  'tests for CCW IDA' (comming soon) or use the stuff
> form v1.

Generally, looks good; currently testing it.

Would not mind some R-bs :)