From: Paul Brook <paul@codesourcery.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: Alexander Graf <agraf@suse.de>,
Hai Shan Bai <haishan.bai@gmail.com>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH - V3] Port codes from qemu-kvm to support booting from SCSI disk image
Date: Wed, 18 Aug 2010 17:04:26 +0100 [thread overview]
Message-ID: <201008181704.26706.paul@codesourcery.com> (raw)
In-Reply-To: <20100818153720.GG10499@redhat.com>
> > Couldn't we just have an option rom for the SCSI controller? The same way
> > the VGABIOS is a rewrite of a VGA BIOS for the Cirrus Logic...
>
> Of course we could, but it should not be extboot, but proper scsi driver.
> gpxe has src/drivers/block/scsi.c so may be it already supports qemu scsi
> device?
IIRC it only supports iSCSI. You'd need to add the LSI HBA driver and
possibly parallel SCSI transport bits.
In practice I'd imagine the SCSI parts to be pretty straightforward. A bios
driver can ignore most of the fancy bits (e.g. TCQ) that a full featured OS
driver has to worry about.
Paul
next prev parent reply other threads:[~2010-08-18 16:04 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-18 2:06 [Qemu-devel] [PATCH - V3] Port codes from qemu-kvm to support booting from SCSI disk image Hai Shan Bai
2010-08-18 2:20 ` haishan
2010-08-18 15:08 ` Paul Brook
2010-08-18 15:16 ` Alexander Graf
2010-08-18 15:31 ` Haishan Bai
2010-08-18 15:37 ` Gleb Natapov
2010-08-18 16:04 ` Paul Brook [this message]
2010-08-19 18:14 ` Blue Swirl
2010-08-18 15:54 ` Paul Brook
2010-08-20 7:44 ` Gerd Hoffmann
2010-08-20 13:42 ` Anthony Liguori
2010-08-20 14:09 ` Gerd Hoffmann
2010-08-20 14:39 ` Anthony Liguori
2010-08-21 14:20 ` Kevin O'Connor
2010-08-23 8:52 ` Gerd Hoffmann
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