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-rw-r--r--hw/vfio/pci.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 971273fd45..e1ea1d8a23 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -1499,6 +1499,14 @@ static void vfio_msix_early_setup(VFIOPCIDevice *vdev, Error **errp)
         if (vdev->vendor_id == PCI_VENDOR_ID_CHELSIO &&
             (vdev->device_id & 0xff00) == 0x5800) {
             msix->pba_offset = 0x1000;
+        /*
+         * BAIDU KUNLUN Virtual Function devices for KUNLUN AI processor
+         * return an incorrect value of 0x460000 for the VF PBA offset while
+         * the BAR itself is only 0x10000.  The correct value is 0xb400.
+         */
+        } else if (vfio_pci_is(vdev, PCI_VENDOR_ID_BAIDU,
+                               PCI_DEVICE_ID_KUNLUN_VF)) {
+            msix->pba_offset = 0xb400;
         } else if (vdev->msix_relo == OFF_AUTOPCIBAR_OFF) {
             error_setg(errp, "hardware reports invalid configuration, "
                        "MSIX PBA outside of specified BAR");