Adding :

  Harsh for QEMU/PPC pseries machine,
  Shivaprasad for KVM/PPC VFIO and IOMMU support.

Thanks,

C.


On 9/13/24 05:44, Akihiko Odaki wrote:
A PF may automatically create VFs and the PF may be function 0.

Signed-off-by: Akihiko Odaki <akihiko.od...@daynix.com>
---
  hw/ppc/spapr_pci.c | 4 +++-
  1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index f63182a03c41..ed4454bbf79e 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -1573,7 +1573,9 @@ static void spapr_pci_pre_plug(HotplugHandler 
*plug_handler,
       * hotplug, we do not allow functions to be hotplugged to a
       * slot that already has function 0 present
       */
-    if (plugged_dev->hotplugged && bus->devices[PCI_DEVFN(slotnr, 0)] &&
+    if (plugged_dev->hotplugged &&
+        !pci_is_vf(pdev) &&
+        bus->devices[PCI_DEVFN(slotnr, 0)] &&
          PCI_FUNC(pdev->devfn) != 0) {
          error_setg(errp, "PCI: slot %d function 0 already occupied by %s,"
                     " additional functions can no longer be exposed to guest.",



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