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[for-9.2,v12,03/11] hw/ppc/spapr_pci: Do not reject VFs created after a PF

Message ID 20240804-reuse-v12-3-d3930c4111b2@daynix.com
State New
Headers show
Series hw/pci: SR-IOV related fixes and improvements | expand

Commit Message

Akihiko Odaki Aug. 4, 2024, 9:01 a.m. UTC 
A PF may automatically create VFs and the PF may be function 0.

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

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.",