Re: Disabling PCI "hot-unplug" for a guest (and/or a single PCI device)

[Julia Suvorova]

On Tue, Feb 4, 2020 at 11:26 AM Michael S. Tsirkin <address@hidden> wrote:
>
> On Mon, Feb 03, 2020 at 05:19:51PM -0500, Laine Stump wrote:
> > 3) qemu could add a "hotpluggable=no" commandline option to all PCI devices
> > (including vfio-pci) and then do whatever is necessary to make sure this is
> > honored in the emulated hardware (is it possible to set this on a per-slot
> > basis in a PCI controller? Or must it be done for an entire controller?
>
> I think it's possible on a per-slot basis, yes.

There's a "Hot-Plug Capable" option in Slot Capability register, so we
can switch it off. But it's only for pcie devices, can't say anything
about conventional pci.

Best regards, Julia Suvorova.