From: Gerd Hoffmann <kraxel@redhat.com>
To: Ian Pratt <Ian.Pratt@eu.citrix.com>
Cc: xen-devel@lists.xensource.com, "Shan,
Haitao" <haitao.shan@intel.com>,
Keir Fraser <Keir.Fraser@eu.citrix.com>,
John Levon <levon@movementarian.org>
Subject: Re: [PATCH 0/3] Enable Option ROM support in Guest BIOS
Date: Thu, 27 Nov 2008 11:27:00 +0100 [thread overview]
Message-ID: <492E75F4.5080304@redhat.com> (raw)
In-Reply-To: <DD74FBB8EE28D441903D56487861CD9D3A41F910@lonpexch01.citrite.net>
Hi,
> Writing even a simple driver for a scsi device is a bit of a pain, so if
> we can't use the real option ROM, it's probably easiest to hack in a
> real simple block read/write and LUN query function into the emulated
> device and then write a trivial option ROM to drive it.
> Anthony Liguori started something similar to this a year or two back,
> but I don't believe it was finished.
It's done, named "extboot", allows booting from scsi and virtio devices
(effectively any qemu block device). It sits in the kvm tree right now
and will probably submitted to upstream qemu soon.
cheers,
Gerd
prev parent reply other threads:[~2008-11-27 10:27 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-24 5:16 [PATCH 0/3] Enable Option ROM support in Guest BIOS Shan, Haitao
2008-11-25 0:35 ` Akio Takebe
2008-11-25 1:38 ` Shan, Haitao
2008-11-25 1:47 ` Akio Takebe
2008-11-25 2:09 ` Shan, Haitao
2008-11-25 17:15 ` John Levon
2008-11-26 2:08 ` Shan, Haitao
2008-11-26 5:27 ` Akio Takebe
2008-11-26 5:47 ` Ian Pratt
2008-11-26 5:54 ` James Harper
2008-11-27 10:27 ` Gerd Hoffmann [this message]
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