IOCTL_INTERNAL_USB_GET_BUS_INFO IOCTL (usbioctl.h)
The IOCTL_INTERNAL_USB_GET_BUS_INFO I/O request queries the bus driver for certain bus information.
IOCTL_INTERNAL_USB_GET_BUS_INFO is a kernel-mode I/O control request. This request targets the USB hub PDO. This request must be sent at an IRQL of PASSIVE_LEVEL.
Major code
IRP_MJ_INTERNAL_DEVICE_CONTROL
Input buffer
Parameters.Others.Argument1 should be a pointer to a USB_BUS_NOTIFICATION structure.
Input buffer length
The size of a USB_BUS_NOTIFICATION structure.
Output buffer
Parameters.Others.Argument1 points to a USB_BUS_NOTIFICATION structure that has the TotalBandwidth, ConsumedBandwidth, and ControllerNameLength fields filled in.
Output buffer length
The size of a USB_BUS_NOTIFICATION structure.
Status block
The bus or port driver sets Irp->IoStatus.Status to STATUS_SUCCESS or the appropriate error status.
Requirements
| Requirement | Value |
|---|---|
| Header | usbioctl.h (include Usbioctl.h) |