diff options
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/usb/ch9.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h index 779a62aafafe..d3ab3f57aa9f 100644 --- a/include/uapi/linux/usb/ch9.h +++ b/include/uapi/linux/usb/ch9.h @@ -894,6 +894,29 @@ struct usb_ssp_cap_descriptor { #define USB_SSP_SUBLINK_SPEED_LSM (0xff << 16) /* Lanespeed mantissa */ } __attribute__((packed)); +/* + * Configuration Summary descriptors: Defines a list of functions in the + * configuration. This descriptor may be used by Host software to decide + * which Configuration to use to obtain the desired functionality. + */ +#define USB_CAP_TYPE_CONFIG_SUMMARY 0x10 + +struct function_class_info { + __u8 bClass; + __u8 bSubClass; + __u8 bProtocol; +}; + +struct usb_config_summary_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDevCapabilityType; + __u16 bcdVersion; + __u8 bConfigurationValue; + __u8 bMaxPower; + __u8 bNumFunctions; + struct function_class_info cs_info[]; +} __attribute__((packed)); /*-------------------------------------------------------------------------*/ |