From: Dario Faggioli <dario.faggioli@citrix.com>
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: xen-devel@lists.xen.org,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Pankaj Biswas <pankajcabs@gmail.com>
Subject: Re: I want to add a Xen driver and it doesn't look completely trivial given the current driver architecture - any advice?
Date: Wed, 29 May 2013 17:55:09 +0200 [thread overview]
Message-ID: <1369842909.3183.12.camel@Solace> (raw)
In-Reply-To: <1369389338.17830.152.camel@zakaz.uk.xensource.com>
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On ven, 2013-05-24 at 10:55 +0100, Ian Campbell wrote:
> On Fri, 2013-05-24 at 15:21 +0530, Pankaj Biswas wrote:
>
> Please don't top-post and please don't post HTML emails to the list,
> plain text only please.
>
> > A good first task might be to write a "Xen driver" which can work out
> > it is on Xen and use the topology hypercalls to gain the same
> > information.
>
> You can use libxenctrl to make the Xen topology hypercalls. You do not
> need a special driver.
>
Indeed, and that is available on top of libxl too (in case it is easier
to use). Just look at output_topologyinfo() and output_numainfo() in
tools/libxl/xl_cmdimpl.c .
This might not be the complete set of information you need, but that's
all we have for now. Let us/me know whether there is something that you
think is missing, and we'll see whether and how to put it together. :-)
> > So trying and geting hwloc working under Xen will solve this purpose.
> > Can you please guide me here?
>
> I have no idea what hwloc requires.
>
Me neither, sorry. :-(
Dario
--
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)
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prev parent reply other threads:[~2013-05-29 15:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-15 10:07 I want to add a Xen driver and it doesn't look completely trivial given the current driver architecture - any advice? Pankaj Biswas
2013-05-15 11:00 ` Ian Campbell
2013-05-15 14:15 ` Konrad Rzeszutek Wilk
2013-05-24 9:51 ` Pankaj Biswas
2013-05-24 9:55 ` Ian Campbell
2013-05-24 15:06 ` Santosh Jodh
2013-05-29 15:55 ` Dario Faggioli [this message]
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