usb: Add USB 3.1 SuperSpeedPlus device capability descriptor

[deliverable/linux.git] / include / uapi / linux / usb / ch9.h

diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h
index f7adc6e01f9ea4544363d6f1bfa446854c813dec..4338eb7b09b3ad705f766fa1c3e1f8a100ae049e 100644 (file)
--- a/include/uapi/linux/usb/ch9.h
+++ b/include/uapi/linux/usb/ch9.h
@@ -866,6 +866,35 @@ struct usb_ss_container_id_descriptor {
 } __attribute__((packed));
 
 #define USB_DT_USB_SS_CONTN_ID_SIZE    20
+
+/*
+ * SuperSpeed Plus USB Capability descriptor: Defines the set of
+ * SuperSpeed Plus USB specific device level capabilities
+ */
+#define        USB_SSP_CAP_TYPE        0xa
+struct usb_ssp_cap_descriptor {
+       __u8  bLength;
+       __u8  bDescriptorType;
+       __u8  bDevCapabilityType;
+       __u8  bReserved;
+       __le32 bmAttributes;
+#define USB_SSP_SUBLINK_SPEED_ATTRIBS  (0x1f << 0) /* sublink speed entries */
+#define USB_SSP_SUBLINK_SPEED_IDS      (0xf << 5)  /* speed ID entries */
+       __u16  wFunctionalitySupport;
+#define USB_SSP_MIN_SUBLINK_SPEED_ATTRIBUTE_ID (0xf)
+#define USB_SSP_MIN_RX_LANE_COUNT              (0xf << 8)
+#define USB_SSP_MIN_TX_LANE_COUNT              (0xf << 12)
+       __le16 wReserved;
+       __le32 bmSublinkSpeedAttr[1]; /* list of sublink speed attrib entries */
+#define USB_SSP_SUBLINK_SPEED_SSID     (0xf)           /* sublink speed ID */
+#define USB_SSP_SUBLINK_SPEED_LSE      (0x3 << 4)      /* Lanespeed exponent */
+#define USB_SSP_SUBLINK_SPEED_ST       (0x3 << 6)      /* Sublink type */
+#define USB_SSP_SUBLINK_SPEED_RSVD     (0x3f << 8)     /* Reserved */
+#define USB_SSP_SUBLINK_SPEED_LP       (0x3 << 14)     /* Link protocol */
+#define USB_SSP_SUBLINK_SPEED_LSM      (0xff << 16)    /* Lanespeed mantissa */
+} __attribute__((packed));
+
+
 /*-------------------------------------------------------------------------*/
 
 /* USB_DT_WIRELESS_ENDPOINT_COMP:  companion descriptor associated with