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Date: Wed, 25 Sep 2013 13:58:12 +0300
From: "Michael S. Tsirkin" <mst@redhat.com>
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Subject: Re: [Qemu-devel] Attaching PCI devices to the PCIe root complex
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To: Laine Stump <laine@redhat.com>
Cc: qemu list <qemu-devel@nongnu.org>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, marcel.a@redhat.com

On Wed, Sep 25, 2013 at 01:56:20PM +0300, Michael S. Tsirkin wrote:
> On Wed, Sep 25, 2013 at 06:14:27AM -0400, Laine Stump wrote:
> > On 09/25/2013 06:00 AM, Michael S. Tsirkin wrote:
> > > On Wed, Sep 25, 2013 at 05:39:37AM -0400, Laine Stump wrote:
> > >> However it is done, each controller will need to have two sets of flags
> > >> - one for what it can plug into, and one for what can be plugged into it.
> > > Not just into it - what can be plugged into each slot.
> > 
> > There are controllers that have different capabilities for different
> > slots?
> 
> For once, not all slots can support hotplug.
> 
> > Well, that complicates things a bit...
> 
> Lots of controllers have multiple interfaces.
> You might not call them "slots" and we might
> model them as multiple devices ATM, but it's
> an artifact of QEMU - they are often a single chip.

qemu calls them buses normally

> -- 
> mST