diff --git a/include/usb_defs.h b/include/usb_defs.h
index c0022e6..6ce6791 100644
--- a/include/usb_defs.h
+++ b/include/usb_defs.h
@@ -215,6 +215,8 @@
 #define USB_PORT_FEAT_POWER          8
 #define USB_PORT_FEAT_LOWSPEED       9
 #define USB_PORT_FEAT_HIGHSPEED      10
+#define USB_PORT_FEAT_FULLSPEED      11
+#define USB_PORT_FEAT_SUPERSPEED     12
 #define USB_PORT_FEAT_C_CONNECTION   16
 #define USB_PORT_FEAT_C_ENABLE       17
 #define USB_PORT_FEAT_C_SUSPEND      18
@@ -231,8 +233,20 @@
 #define USB_PORT_STAT_POWER         0x0100
 #define USB_PORT_STAT_LOW_SPEED     0x0200
 #define USB_PORT_STAT_HIGH_SPEED    0x0400	/* support for EHCI */
+#define USB_PORT_STAT_FULL_SPEED    0x0800
+#define USB_PORT_STAT_SUPER_SPEED   0x1000	/* support for XHCI */
 #define USB_PORT_STAT_SPEED	\
-	(USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED)
+	(USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED | \
+	USB_PORT_STAT_FULL_SPEED | USB_PORT_STAT_SUPER_SPEED)
+
+/*
+ * Additions to wPortStatus bit field from USB 3.0
+ * See USB 3.0 spec Table 10-10
+ */
+#define USB_PORT_STAT_LINK_STATE	0x01e0
+#define USB_SS_PORT_STAT_POWER		0x0200
+#define USB_SS_PORT_STAT_SPEED		0x1c00
+#define USB_PORT_STAT_SPEED_5GBPS	0x0000
 
 /* wPortChange bits */
 #define USB_PORT_STAT_C_CONNECTION  0x0001
@@ -241,6 +255,14 @@
 #define USB_PORT_STAT_C_OVERCURRENT 0x0008
 #define USB_PORT_STAT_C_RESET       0x0010
 
+/*
+ * Addition to wPortChange bit fields form USB 3.0
+ * See USB 3.0 spec Table 10-11
+ */
+#define USB_PORT_STAT_C_BH_RESET	0x0020
+#define USB_PORT_STAT_C_LINK_STATE	0x0040
+#define USB_PORT_STAT_C_CONFIG_ERROR	0x0080
+
 /* wHubCharacteristics (masks) */
 #define HUB_CHAR_LPSM               0x0003
 #define HUB_CHAR_COMPOUND           0x0004