===================================================================
@@ -184,6 +184,21 @@ numa_node_show(struct device *dev, struc
#endif
static ssize_t
+dma_mask_bits_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+
+ return sprintf (buf, "%d\n", fls64(pdev->dma_mask));
+}
+
+static ssize_t
+consistent_dma_mask_bits_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ return sprintf (buf, "%d\n", fls64(dev->coherent_dma_mask));
+}
+
+static ssize_t
msi_bus_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct pci_dev *pdev = to_pci_dev(dev);
@@ -314,6 +329,8 @@ struct device_attribute pci_dev_attrs[]
#ifdef CONFIG_NUMA
__ATTR_RO(numa_node),
#endif
+ __ATTR_RO(dma_mask_bits),
+ __ATTR_RO(consistent_dma_mask_bits),
__ATTR(enable, 0600, is_enabled_show, is_enabled_store),
__ATTR(broken_parity_status,(S_IRUGO|S_IWUSR),
broken_parity_status_show,broken_parity_status_store),