[RFC 7/8] drivers: introduce rpmsg, a remote-processor messaging bus

Rusty Russell rusty at rustcorp.com.au
Wed Sep 14 19:12:05 CDT 2011


On Wed, 14 Sep 2011 21:38:43 +0300, Ohad Ben-Cohen <ohad at wizery.com> wrote:
> Hi Rusty,
> 
> On Wed, Jun 22, 2011 at 1:46 PM, Ohad Ben-Cohen <ohad at wizery.com> wrote:
> > On Wed, Jun 22, 2011 at 5:42 AM, Rusty Russell <rusty at rustcorp.com.au> wrote:
> >> On Tue, 21 Jun 2011 10:18:33 +0300, Ohad Ben-Cohen <ohad at wizery.com> wrote:
> >>> +#define VIRTIO_ID_RPMSG              10 /* virtio remote processor messaging */
> >>
> >> I think you want 6.  Plan 9 jumped ahead to grab 9 :)
> >
> > 6 it is :)
> 
> Looking at the virtio-spec, it seems that 6 is taken by 'ioMemory'.
> There's no indication for it in virtio_ids.h though, and the
> virtio-spec has no appendix for this id, so maybe it's available after
> all ?
> 
> If it is available, I'll take it for rpmsg, and will also update
> virtio-spec appropriately. Otherwise, we'll settle on 7 ? :)

7... numbers are cheap :)

Cheers,
Rusty.


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