// usbbusif.h

typedef struct _USB_BUS_INFORMATION_LEVEL_1 {
  ULONG TotalBandwidth;
  ULONG ConsumedBandwidth;
  ULONG ControllerNameLength;
  WCHAR ControllerNameUnicodeString[1];
} USB_BUS_INFORMATION_LEVEL_1, *PUSB_BUS_INFORMATION_LEVEL_1;
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Windows Driver Kit DDI reference (ns-usbbusif-_usb_bus_information_level_1)

_USB_BUS_INFORMATION_LEVEL_1 structure

Description

The USB_BUS_INFORMATION_LEVEL_1 structure is used in conjunction with the QueryBusInformation interface routine to report information about the bus.

Members

`TotalBandwidth`

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

`ConsumedBandwidth`

Specifies the mean bandwidth already in use, in bits per second.

`ControllerNameLength`

Specifies the length of symbolic name for the host controller, in Unicode.

`ControllerNameUnicodeString`

Specifies the symbolic name for the host controller, in Unicode.

Remarks

Caller must set the Level parameter of the QueryBusInformation routine to 1.

For more information about how to obtain the proper level of USB interface, see USB Routines.

USB_BUS_INFORMATION_LEVEL_1 - NtDoc