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xen-devel
Re: [Xen-devel] Documentation For Writing a Split Driver
> I've spent the last few weeks digging around in Xen code and old
> documentation to produce my own simple split driver for 3.0.4-2 to
> handle some logging stuff that I'm doing. In the process, I quickly
> discovered that the Wiki documentation for adding a new driver to Xen is
> a little lacking. Is there any interest in me documenting any/all of
> the following and contributing it?
Absolutely!!!!!
> -Creating a backend/frontend skeleton driver and adding it to the kernel.
Yep. I remember there being a skeleton example driver floating around on the
list at some point, but APIs may have changed since then I guess.
> -Modifying xend and xm to initialize the XenStore for it. (and hence
> get the probe functions to be called)
Yep. This is actually not that complicated, but it'd be nice to have it
documented.
> -Setting up event channels
> -Setting up a ring buffer
> -Sharing memory pages between domains (basically the grant tables)
All good stuff.
You might also like to take a look at the stuff covered in the interface
manual (it's in the source tree) and see if there's any overlap with what
you're writing - it would be nice to avoid duplicating information in
multiple places, so that it won't get out of sync later.
Cheers,
Mark
--
Dave: Just a question. What use is a unicyle with no seat? And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!
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