diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c
index ae0e161c7fc9..a3635a8e54c8 100644
--- a/drivers/vfio/pci/vfio_pci_core.c
+++ b/drivers/vfio/pci/vfio_pci_core.c
@@ -530,8 +530,11 @@ int vfio_pci_core_enable(struct vfio_pci_core_device *vdev)
 		vdev->msix_bar = table & PCI_MSIX_TABLE_BIR;
 		vdev->msix_offset = table & PCI_MSIX_TABLE_OFFSET;
 		vdev->msix_size = ((flags & PCI_MSIX_FLAGS_QSIZE) + 1) * 16;
-	} else
+		vdev->has_dyn_msix = pci_msix_can_alloc_dyn(pdev);
+	} else {
 		vdev->msix_bar = 0xFF;
+		vdev->has_dyn_msix = false;
+	}
 
 	if (!vfio_vga_disabled() && vfio_pci_is_vga(pdev))
 		vdev->has_vga = true;
diff --git a/include/linux/vfio_pci_core.h b/include/linux/vfio_pci_core.h
index adb47e2914d7..562e8754869d 100644
--- a/include/linux/vfio_pci_core.h
+++ b/include/linux/vfio_pci_core.h
@@ -68,6 +68,7 @@ struct vfio_pci_core_device {
 	u16			msix_size;
 	u32			msix_offset;
 	u32			rbar[7];
+	bool			has_dyn_msix:1;
 	bool			pci_2_3:1;
 	bool			virq_disabled:1;
 	bool			reset_works:1;