Re: [Qemu-devel] Attaching PCI devices to the PCIe root complex

[Michael S. Tsirkin]

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.

-- 
mST