Lack of MSI-X support is not an issue for interpreted passthrough
devices, so let's let these in. This will allow, for example, ISM
devices to be passed through -- but only when interpretation is
available and being used.
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
Message-Id: <
20220902172737.170349-5-mjrosato@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
static void s390_pci_msix_free(S390PCIBusDevice *pbdev)
{
+ if (pbdev->msix.entries == 0) {
+ return;
+ }
+
memory_region_del_subregion(&pbdev->iommu->mr, &pbdev->msix_notify_mr);
object_unparent(OBJECT(&pbdev->msix_notify_mr));
}
pbdev->interp = false;
}
- if (s390_pci_msix_init(pbdev)) {
+ if (s390_pci_msix_init(pbdev) && !pbdev->interp) {
error_setg(errp, "MSI-X support is mandatory "
"in the S390 architecture");
return;