// ucxusbdevice.h

typedef struct _USBDEVICE_HUB_INFO {
  USBDEVICE_MGMT_HEADER Header;
  ULONG                 NumberOfPorts;
  ULONG                 NumberOfTTs;
  ULONG                 TTThinkTime;
} USBDEVICE_HUB_INFO, *PUSBDEVICE_HUB_INFO;
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Windows Driver Kit DDI reference (ns-ucxusbdevice-_usbdevice_hub_info)

_USBDEVICE_HUB_INFO structure

Description

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.

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.

USBDEVICE_HUB_INFO - NtDoc