Motorola USB08 - page 170

Designer Reference Manual USB08 Evaluation Board
170 Universal USB Device Driver (USBIO) MOTOROLA
Universal USB Device Driver (USBIO)
IOCTL_USBIO_GET_DEVICE_POWER_STATE
The IOCTL_USBIO_GET_DEVICE_POWER_STATE operation returns
the current power state of the device.
lpInBuffer Not used with this operation. Set to NULL.
nInBufferSize Not used with this operation. Set to zero.
lpOutBuffer Pointer to a buffer that will receive an USBIO_DEVICE_POWER
(page 206) data structure.
nOutBufferSize Specifies the size, in bytes, of the buffer pointed to by lpOutBuffer,
which has to be at least sizeof(USBIO_DEVICE_POWER) for this
operation.
Comments The device power state is maintained internally by the USBIO driver.
This request may be used to query the current power state.