Re: [Xen-devel] xenstore documentation

[Anthony Liguori <aliguori@xxxxxxxxxx>]

Jacob Gorm Hansen wrote:

> Excellent, thank you!
>
> One question: What (if anything) do I need to do to introduce dom0 and
> xenstore to eachother?
>  
After booting and before doing anything else (but after starting xenstore):

lstore = rstore = 0;
xc_evtchn_bind_interdomain(0, 0, &lstore, &rstore)
mfn_store = xc_init_store(rstore);
xs_mkdir("/tools/<yourtool>/domain/0")
xs_introduce_domain(0, mfn_store, lstore, "/tools/<yourtool>/domain/0")

The store is supposed to remember introductions but I'm not sure if 
Rusty has gotten to that yet.  If things don't work when you restart the 
store, it means that it isn't remembering them, in which case, you have 
to reintroduce.  You'll have to remember the domain-0 stuff somehow as 
you cannot call xc_init_store more than once.
Regards,

Anthony Liguori

> Thanks again, just what I was looking for.
> Jacob
>
>  

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