Re: [Xen-users] Docs Explaining internals of Xen from programming perspective

["M.A. Williamson" <maw48@xxxxxxxxx>]

> on Tue, Oct 25, 2005 at 12:11:51PM -0000, AMIT KUMAR 
> (amitkpce@xxxxxxxxxxxxxx) wrote:
> >   hi,
> >  Does anyone know of any document which explains internals of xen
> >  (typically about creation of domains  from perspective of process
> >  creation and system programming)? 
> >
> >  The aim is to call xen api's in a program  to automate the process of
> >  creation/shutdown/migration   of domains.
You'll probably want to call into some of the tools; the backend libraries 
of the xm tool are likely to be best. If you these instead of the lowlevel 
Xen APIs you get a lot more work done for you. Alternatively, you can talk 
the Xend management protocol directly, either over a Unix domain socket or 
a TCP connection.
Of course there is also the quote that came up last week "the roads are the 
best map", i.e. the source code generally is the most up-to-date reference 
;-)
> Perhaps the Xen Interface Manual?  Covers Xen 2.0, 3.x is a work in
> progress.
>
>    http://www.xensource.com/files/xen_interface.pdf
>
> You're probably going to be most interested in Appendix A, "Xen
> Hypercalls", particularly A.8, Inter-Domain Communication.
We're actively looking at getting the interface documentation into a good 
state - ideally in time for around 3.0 (at which point the interface will 
be stable and supported for the foreseeable future). Stay tuned folks ;-)
Cheers,
Mark

> Cheers.
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