diff options
Diffstat (limited to 'include/uapi/linux/usb/ch9.h')
| -rw-r--r-- | include/uapi/linux/usb/ch9.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h index f7adc6e01f9e..4338eb7b09b3 100644 --- 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 |