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Date: Fri, 29 Jan 2010 10:06:23 +0000
Message-ID: <fbd9d3991001290206j7826c5cfg51f9fc6d6479cf4c@mail.gmail.com>
Subject: Re: [Qemu-devel] [RFC] gPXE fw_cfg file interface support
From: Stefan Hajnoczi <stefanha@gmail.com>
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To: Gerd Hoffmann <kraxel@redhat.com>
Cc: gpxe <gpxe@etherboot.org>, qemu-devel@nongnu.org

On Wed, Jan 27, 2010 at 10:15 AM, Gerd Hoffmann <kraxel@redhat.com> wrote:
>> Note that this patch only adds the fw_cfg file interface mechanism, it
>> does not
>> automatically probe for a special file when gPXE starts. =A0You will
>> need to manually
>> "chain fw_cfg:genroms/file".
>
> That should be changed too IMHO. =A0qemu needs some kind of new switch, s=
o you
> can place the firmware file into some other virtual directory where gpxe
> could look by default, i.e. something like "fw_cfg:gpxe/default". Then yo=
u
> can easily have qemu guests netboot from somewhere without any local
> pxe/tftp setup, like this:
>
> =A0qemu -fw-file gpxe/default=3Dbko.gpxe
>
> with bko.gpxe being:
>
> =A0#!gpxe
> =A0dhcp net0
> =A0set 209:string pxelinux.cfg/default
> =A0set 210:string http://boot.kernel.org/bko/
> =A0chain http://boot.kernel.org/bko/pxelinux.0

That sounds good.  I will send out a new patch which fetches
fw_cfg:gpxe/default on startup.

Stefan