USBDEVICE_HUB_INFO structure (ucxusbdevice.h)

Contains parameters for a request to get information about the specified hub. This structure is passed by UCX in request parameters (Parameters.Others.Arg1) of a framework request object of the EVT_UCX_USBDEVICE_HUB_INFO callback function.

Syntax

typedef struct _USBDEVICE_HUB_INFO {
  USBDEVICE_MGMT_HEADER Header;
  ULONG                 NumberOfPorts;
  ULONG                 NumberOfTTs;
  ULONG                 TTThinkTime;
} USBDEVICE_HUB_INFO, *PUSBDEVICE_HUB_INFO;

Members

Header

A USBDEVICE_MGMT_HEADER structure that contains the handle for the USB hub or device.

NumberOfPorts

The count of ports available for the USB hub, filled by the client driver.

NumberOfTTs

The count of TT hubs, filled by the client driver.

TTThinkTime

The ThinkTime property of the TT hub, filled by the client driver.

Requirements

See also

EVT_UCX_USBDEVICE_HUB_INFO