Function bt_device_ioctl 

pub fn bt_device_ioctl(
    handle: &BtDeviceHandle,
    cmd: u32,
    arg: u64,
) -> Result<u64, KernelError>

Perform an ioctl on the Bluetooth device node.

Supported commands:

• BT_IOCTL_GET_ADAPTER_INFO: Read adapter address, name, and state
• BT_IOCTL_SET_SCAN_MODE: Set inquiry/page scan mode
• BT_IOCTL_RESET: Reset the HCI controller