Re: [Xen-devel] xenstore documentation

[Nivedita Singhvi <nsnix@xxxxxxxxxxx>]

Anthony Liguori wrote:
> Jacob Gorm Hansen wrote:
> 1) Create domain
>    domid = 0
>    xc_domain_create(&domid)
>    xc_domain_maxmem(domid, memory >> 10);
>    xc_domain_memory_increase_reservation(domid, memory >> 12);
Hi Anthony,

Sounds like you're the right person to get the interface
documentation written? :). Would be very helpful.

thanks,
Nivedita


> 2) Build domain
>    lconsole = rconsole = 0;
>    xc_evtchn_bind_interdomain(0, domid, &lconsole, &rconsole);
>    lstore = rstore = 0;
>    xc_evtchn_bind_interdomain(0, domid, &lconsole, &rconsole);
>
>    xc_linux_build(domid, kernel, ramdisk, cmdline, 0, vcpus, rstore, 
> &mfn_store, rconsole, &mfn_console)
>    home = "/tools/<yourtool>/domain/%d" % domid
>    xs_domain_introduce(domid, mfn_store, lstore, home);
>    xs_write(home + "/console/ring-ref", mfn_console)
>    xs_write(home + "/console/port", lconsole)
>
> 3) Create block device (pdev, vdev)
>    static int uuid;
>
>    dom0_home = xs_get_domain_path(0)
>
>    backend = dom0_home + "/backend/vbd/%s/%s' % (uuid, domid)
>    frontend = home + "/device/vbd/%s' % uuid
>
>    transaction_start()
>    xs_write(backend + "/frontend", frontend);
>    xs_write(backend + "/frontend-id", domid);
>    transaction_end()
>
>    transaction_start()
>    xs_write(frontend + "/backend", backend);
>    xs_write(frontend + "/backend-id", 0);
>    xs_write(frontend + "/virtual-device", vdev)
>    transaction_end()
>
>    xs_write(backend + "/physical-device", pdev)
>
> This might seem complicated, but compared to what you had to do under 
> 2.0.x, it's a 1000x times easier.
> Regards,
>
> Anthony Liguori
>
> > Jacob
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel
> >
> >  
>
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