Macro vmm_sys_util::ioctl_expr

macro_rules! ioctl_expr {
    ($dir:expr, $ty:expr, $nr:expr, $size:expr) => { ... };
}

Expression that calculates an ioctl number.

use vmm_sys_util::ioctl::_IOC_NONE;

const KVMIO: c_uint = 0xAE;
ioctl_expr!(_IOC_NONE, KVMIO, 0x01, 0);