From: Gerd Hoffmann <kraxel@redhat.com>
To: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Cc: Zihan Yang <whois.zihan.yang@gmail.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
qemu-devel@nongnu.org, seabios@seabios.org
Subject: Re: [Qemu-devel] [SeaBIOS] [RFC v2 0/3] Support multiple pci domains in pci_device
Date: Tue, 28 Aug 2018 12:14:58 +0200 [thread overview]
Message-ID: <20180828101458.pnsldezdzp6tdulp@sirius.home.kraxel.org> (raw)
In-Reply-To: <8b232ca6-4643-24c7-d93d-589a452d0785@gmail.com>
Hi,
> > Where is the pxb-pcie device? 0000:$somewhere? Or $domain:00:00.0?
>
> 0000:$somewhere (On PCI domain 0)
Cool, so we don't have an chicken-and-egg issue.
> > If we can access pxb-pcie registers before configuring MMCFG then yes,
> > we should use pxb-pcie registers for that.
>
> Yes, we can.
Ok, so we can configure mmcfg as hidden pci bar, simliar to the q35
mmcfg. Any configuration hints can be passed as pci vendor capability
(simliar to the bridge window size hints), if needed.
cheers,
Gerd
next prev parent reply other threads:[~2018-08-28 10:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1533793434-7614-1-git-send-email-whois.zihan.yang@gmail.com>
[not found] ` <ece2a3ff-678d-00b6-3fd6-660972c5beca@gmail.com>
[not found] ` <20180827070406.t525gr43qpu7wpsj@sirius.home.kraxel.org>
2018-08-28 4:12 ` [Qemu-devel] [SeaBIOS] [RFC v2 0/3] Support multiple pci domains in pci_device Zihan Yang
2018-08-28 5:30 ` Gerd Hoffmann
2018-08-28 5:37 ` Marcel Apfelbaum
2018-08-28 6:07 ` Gerd Hoffmann
2018-08-28 6:53 ` Marcel Apfelbaum
2018-08-28 10:14 ` Gerd Hoffmann [this message]
2018-08-28 17:02 ` Kevin O'Connor
2018-08-28 17:17 ` Marcel Apfelbaum
2018-08-28 17:45 ` Kevin O'Connor
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