Re: xenstore documentation

[Anthony Liguori <aliguori@us.ibm.com>]

Nivedita Singhvi wrote:

> 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.

Doh!  Seriously though, I'm more than happy to once 3.0 ships.

Regards,

Anthony Liguori

> 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
>>>
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>>
>>
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>
>