// ucxroothub.h

typedef struct _ROOTHUB_20PORT_INFO {
  USHORT                               PortNumber;
  UCHAR                                MinorRevision;
  UCHAR                                HubDepth;
  TRISTATE                             Removable;
  TRISTATE                             IntegratedHubImplemented;
  TRISTATE                             DebugCapable;
  CONTROLLER_USB_20_HARDWARE_LPM_FLAGS ControllerUsb20HardwareLpmFlags;
} ROOTHUB_20PORT_INFO, *PROOTHUB_20PORT_INFO;
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Windows Driver Kit DDI reference (ns-ucxroothub-_roothub_20port_info)

_ROOTHUB_20PORT_INFO structure

Description

Provides information about a USB 2.0 root hub port. This structure is passed by UCX in the EVT_UCX_ROOTHUB_GET_20PORT_INFO callback function.

Members

`PortNumber`

The USB 2.0 root hub port number.

`MinorRevision`

Minor revision number.

`HubDepth`

The hub depth limit.

`Removable`

A TRISTATE value that indicates if the port is removable.

`IntegratedHubImplemented`

A TRISTATE value that indicates if the port is implemented.

`DebugCapable`

A TRISTATE value that indicates if the port is debug capable.

`ControllerUsb20HardwareLpmFlags`

A value that indicates Link Power Management (LPM) flags for the controller.

View the official Windows Driver Kit DDI reference

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