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-rw-r--r--include/linux/usb.h4
-rw-r--r--include/uapi/linux/usb/ch11.h5
2 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 0173597e59aa..beffceec4915 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -551,6 +551,8 @@ struct usb3_lpm_parameters {
* @route: tree topology hex string for use with xHCI
* @state: device state: configured, not attached, etc.
* @speed: device speed: high/full/low (or error)
+ * @rx_lanes: number of rx lanes in use, USB 3.2 adds dual-lane support
+ * @tx_lanes: number of tx lanes in use, USB 3.2 adds dual-lane support
* @tt: Transaction Translator info; used with low/full speed dev, highspeed hub
* @ttport: device port on that tt hub
* @toggle: one bit for each endpoint, with ([0] = IN, [1] = OUT) endpoints
@@ -624,6 +626,8 @@ struct usb_device {
u32 route;
enum usb_device_state state;
enum usb_device_speed speed;
+ unsigned int rx_lanes;
+ unsigned int tx_lanes;
struct usb_tt *tt;
int ttport;
diff --git a/include/uapi/linux/usb/ch11.h b/include/uapi/linux/usb/ch11.h
index 29c120c88747..fb0cd24c392c 100644
--- a/include/uapi/linux/usb/ch11.h
+++ b/include/uapi/linux/usb/ch11.h
@@ -197,6 +197,11 @@ struct usb_port_status {
#define USB_EXT_PORT_STAT_RX_LANES 0x00000f00
#define USB_EXT_PORT_STAT_TX_LANES 0x0000f000
+#define USB_EXT_PORT_RX_LANES(p) \
+ (((p) & USB_EXT_PORT_STAT_RX_LANES) >> 8)
+#define USB_EXT_PORT_TX_LANES(p) \
+ (((p) & USB_EXT_PORT_STAT_TX_LANES) >> 12)
+
/*
* wHubCharacteristics (masks)
* See USB 2.0 spec Table 11-13, offset 3