Re: [Xen-users] ipc equivalent under xen

[Mark Williamson <mark.williamson@xxxxxxxxxxxx>]

> the user level interdomain memory will be accessible throw a virual device
> or just by programming ?

I'll be supporting it via XenFS, so the applications in different domains will 
just mmap the same file in a XenFS share and it'll Just Work(TM).

> If it is the first case i'm interested, otherwise i'll do programming with
> socket thus avoiding development from you.

It'll be a while before you see XenFS in a release - writing a full filesystem 
is going to be a pretty time consuming task.  You should probably write to 
the sockets API if you have an immediate requirement to get this working.  
Later on you can convert to my shared memory / Xen-aware networking stuff if 
you need the performance.

Cheers,
Mark

> Regards
> Matthieu
>
> On August 2, 3:46 pm Mark Williamson <mark.williamson@xxxxxxxxxxxx> wrote:
> > >  is there a way (network exepted) to make a xenU and xen0 communicate.
> > >  I'm thinking at something like a ipc or a pipe without having to open
> > >  a socket on one side and to listen to the socket on the other.
> > >  Regards
> >
> > There's the control message channel (soon to be replaced by xenstore /
> > xenbus) but these aren't meant for high bandwidth comms.
> >
> > I'll be looking at user-level interdomain shared memory soon, if that's
> > any help to you.
> >
> > Cheers,
> > Mark
>
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