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Date: Tue, 08 Sep 2009 14:39:59 -0500
From: Anthony Liguori <anthony@codemonkey.ws>
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Subject: Re: [Qemu-devel] Re: [PATCH 0/2] port over extboot from kvm
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To: Gerd Hoffmann <kraxel@redhat.com>
Cc: "libvir-list@redhat.com" <libvir-list@redhat.com>, Jan Kiszka <jan.kiszka@siemens.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>

Gerd Hoffmann wrote:
> On 09/08/09 19:12, Anthony Liguori wrote:
>>> I'm still not convinced we need extboot for all bioses on the long 
>>> term.
>>> And I think we should define new interfaces in a way that finally makes
>>> it obsolete, at least for our "home bios" (whatever it will be).
>>
>> What we won't need long term is the extboot interface (hw/extboot.c).
>> Ideally, we would rewrite the extboot option rom to have a proper
>> virtio-blk driver in it. Better yet, to finish up Laurent's work of
>> adding virtio-blk support to gpxe since it gives us bcv for free.
>
> That doesn't cover booting from scsi.
> It also doesn't cover booting from usb.

It assumes support for both in option roms.  The big advantage to gpxe 
is that it already has generic scsi support.

Regards,

Anthony Liguori

> cheers,
>   Gerd