Re: [Qemu-devel] [PATCH 2/5] dma-helpers: allow including from target-independent code

[Paolo Bonzini]

On 09/09/2011 01:39 PM, Kevin Wolf wrote:
> Am 07.09.2011 17:20, schrieb Paolo Bonzini:
> > Target-independent code cannot construct sglists, but it can take
> > them from the outside as a black box.  Allow this.
> >
> > Signed-off-by: Paolo Bonzini<address@hidden>
>
> I was hoping to find the use case for this somewhere in the rest of the
> series, but there doesn't seem to be an example.

Indeed, unfortunately not yet.

> How can you make use of the dma.h functions when you can't build a
> QEMUSGList? Or would you have a target-dependent part that builds it and
> passes it to a target-independent part?

Exactly, scsi-disk/scsi-bus will pick the QEMUSGList from the HBA and 
treat it opaquely.

Paolo