vfio/pci: Don't assume that only even numbered BARs are 64bit
Not all devices have the bottom 32 bits of a 64 bit BAR in an even
numbered BAR. For example, on an NVIDIA Quadro P400, BARs 1 and 3 are
64bit. Remove this assumption.
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
diff --git a/vfio/pci.c b/vfio/pci.c
index bbb8469..1bdc200 100644
--- a/vfio/pci.c
+++ b/vfio/pci.c
@@ -920,8 +920,10 @@
for (i = VFIO_PCI_BAR0_REGION_INDEX; i <= VFIO_PCI_BAR5_REGION_INDEX; ++i) {
/* Ignore top half of 64-bit BAR */
- if (i % 2 && is_64bit)
+ if (is_64bit) {
+ is_64bit = false;
continue;
+ }
ret = vfio_pci_configure_bar(kvm, vdev, i);
if (ret)
