pub unsafe extern "C" fn mlx5dv_devx_umem_reg(
ctx: *mut ibv_context,
addr: *mut c_void,
size: usize,
access: u32,
) -> *mut mlx5dv_devx_umem
pub unsafe extern "C" fn mlx5dv_devx_umem_reg(
ctx: *mut ibv_context,
addr: *mut c_void,
size: usize,
access: u32,
) -> *mut mlx5dv_devx_umem