From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nivedita Singhvi <nsnix@comcast.net>
Subject: Re: xenstore documentation
Date: Tue, 04 Oct 2005 08:28:44 -0700
Message-ID: <43429FAC.6080100@comcast.net>
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To: Anthony Liguori <aliguori@us.ibm.com>
Cc: harry <harry@hebutterworth.freeserve.co.uk>, Jacob Gorm Hansen <jacobg@diku.dk>, xen-devel@lists.xensource.com
List-Id: xen-devel@lists.xenproject.org

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
>>
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>>
>>  
>>
> 
> 
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