From: "Pasi Kärkkäinen" <pasik@iki.fi>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Kelly <Kelly.Zytaruk@amd.com>,
"Julien Grall" <julien.grall@arm.com>,
"Paul Durrant" <paul.durrant@citrix.com>,
"Jan Beulich" <jbeulich@suse.com>,
xen-devel@lists.xenproject.org, Zytaruk@mac,
"Boris Ostrovsky" <boris.ostrovsky@oracle.com>,
"Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [DRAFT RFC] PVHv2 interaction with physical devices
Date: Wed, 9 Nov 2016 22:47:57 +0200 [thread overview]
Message-ID: <20161109204757.GG28824@reaktio.net> (raw)
In-Reply-To: <8c512138-c592-2147-d3b2-c4e67461f444@citrix.com>
On Wed, Nov 09, 2016 at 06:51:49PM +0000, Andrew Cooper wrote:
> >
> > Low 1MB
> > -------
> >
> > When booted with a legacy BIOS, the low 1MB contains firmware related data
> > that should be identity mapped to the Dom0. This include the EBDA, video
> > memory and possibly ROMs. All non RAM regions below 1MB will be identity
> > mapped to the Dom0 so that it can access this data freely.
>
> Are you proposing a unilateral identity map of the first 1MB, or just
> the interesting regions?
>
> One thing to remember is the iBVT, for iscsi boot, which lives in
> regular RAM and needs searching for.
>
I think you mean iBFT = iSCSI Boot Firmware Table.
-- Pasi
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next prev parent reply other threads:[~2016-11-09 20:48 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-09 15:59 [DRAFT RFC] PVHv2 interaction with physical devices Roger Pau Monné
2016-11-09 18:45 ` Konrad Rzeszutek Wilk
2016-11-10 10:39 ` Roger Pau Monné
2016-11-10 13:53 ` Konrad Rzeszutek Wilk
2016-11-10 15:20 ` Roger Pau Monné
2016-11-10 17:21 ` Konrad Rzeszutek Wilk
2016-11-11 10:04 ` Jan Beulich
2016-11-16 16:49 ` Roger Pau Monné
2016-11-17 10:46 ` Jan Beulich
2016-11-10 16:37 ` Jan Beulich
2016-11-10 17:19 ` Konrad Rzeszutek Wilk
2016-11-16 16:42 ` Roger Pau Monné
2016-11-17 10:43 ` Jan Beulich
2016-11-09 18:51 ` Andrew Cooper
2016-11-09 20:47 ` Pasi Kärkkäinen [this message]
2016-11-10 10:43 ` Andrew Cooper
2016-11-10 10:54 ` Roger Pau Monné
2016-11-10 11:23 ` Andrew Cooper
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