From: Gerd Hoffmann <kraxel@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel@redhat.com>,
lersek@redhat.com, Kevin O'Connor <kevin@koconnor.net>,
seabios@seabios.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH V2] pci: fixes to allow booting from extra root pci buses.
Date: Mon, 15 Jun 2015 12:18:16 +0200 [thread overview]
Message-ID: <1434363496.31654.57.camel@redhat.com> (raw)
In-Reply-To: <20150615114145-mutt-send-email-mst@redhat.com>
Hi,
> > I'm wondering whenever things become easier if we add config registers
> > to the pxb, where the firmware can program the bus number range and we
> > can use the config register base as a way to specify which pxb we are
> > referring to ?
> But then we'll need a bunch of fw cfg entries to let guest
> discover the extra roots and their bus ranges.
We could add them to the pxb host bridge device (1b36:0009). Then we
don't need any fw_cfg stuff, seabios could simply lookup/setup things in
the 1b36:0009 pci config space ...
cheers,
Gerd
next prev parent reply other threads:[~2015-06-15 10:18 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-11 13:37 [Qemu-devel] [PATCH V2] pci: fixes to allow booting from extra root pci buses Marcel Apfelbaum
2015-06-11 13:57 ` Laszlo Ersek
2015-06-11 13:58 ` Kevin O'Connor
2015-06-11 14:12 ` Marcel Apfelbaum
2015-06-11 14:24 ` Kevin O'Connor
2015-06-11 14:36 ` Marcel Apfelbaum
2015-06-11 15:00 ` Laszlo Ersek
2015-06-11 16:54 ` Kevin O'Connor
2015-06-11 17:46 ` Marcel Apfelbaum
2015-06-11 18:34 ` Laszlo Ersek
2015-06-11 19:24 ` Kevin O'Connor
2015-06-12 9:25 ` Laszlo Ersek
2015-06-12 13:03 ` Kevin O'Connor
2015-06-12 15:45 ` Laszlo Ersek
2015-06-12 18:40 ` Kevin O'Connor
2015-06-12 20:13 ` Laszlo Ersek
2015-06-14 12:05 ` Michael S. Tsirkin
2015-06-14 14:50 ` Kevin O'Connor
2015-06-14 18:06 ` Michael S. Tsirkin
2015-06-14 18:21 ` Kevin O'Connor
2015-06-14 21:39 ` Benjamin Herrenschmidt
2015-06-14 21:59 ` Kevin O'Connor
2015-06-15 2:50 ` Benjamin Herrenschmidt
2015-06-15 8:22 ` Michael S. Tsirkin
2015-06-11 19:10 ` Kevin O'Connor
2015-06-12 6:00 ` Gerd Hoffmann
2015-06-12 12:17 ` Marcel Apfelbaum
2015-06-12 13:23 ` Kevin O'Connor
2015-06-15 6:01 ` Gerd Hoffmann
2015-06-15 6:50 ` Gerd Hoffmann
2015-06-15 9:02 ` Marcel Apfelbaum
2015-06-15 9:43 ` Michael S. Tsirkin
2015-06-15 10:18 ` Gerd Hoffmann [this message]
2015-06-15 10:26 ` Michael S. Tsirkin
2015-06-11 14:35 ` Laszlo Ersek
2015-06-11 16:48 ` Kevin O'Connor
2015-06-11 18:38 ` [Qemu-devel] [SeaBIOS] " Laszlo Ersek
2015-06-14 12:10 ` [Qemu-devel] " Michael S. Tsirkin
2015-06-14 13:47 ` Kevin O'Connor
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