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

[Cornelia Huck]

On Wed, 13 Sep 2017 13:50:25 +0200
Halil Pasic <address@hidden> 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.

Thanks, applied.