// usbioctl.h

typedef struct _USB_BUS_NOTIFICATION {
  USB_NOTIFICATION_TYPE NotificationType;
  ULONG                 TotalBandwidth;
  ULONG                 ConsumedBandwidth;
  ULONG                 ControllerNameLength;
} USB_BUS_NOTIFICATION, *PUSB_BUS_NOTIFICATION;
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Windows Driver Kit DDI reference (ns-usbioctl-_usb_bus_notification)

_USB_BUS_NOTIFICATION structure

Description

Stores certain bus information. This structure is used in the IOCTL_INTERNAL_USB_GET_BUS_INFO request.

Members

`NotificationType`

A USB_NOTIFICATION_TYPE-value that indicates the type of notification.

`TotalBandwidth`

The total bandwidth, in bits per second, available on the bus.

`ConsumedBandwidth`

The mean bandwidth already in use, in bits per second.

`ControllerNameLength`

The length of the Unicode symbolic name (in bytes) for the host controller to which this device is attached. The length does not include NULL.

USB_BUS_NOTIFICATION - NtDoc