Function krun_set_firmware 

pub unsafe extern "C" fn krun_set_firmware(
    ctx_id: u32,
    firmware_path: *const c_char,
) -> i32

Sets the path to the firmware to be loaded into the microVM.

Arguments: “ctx_id” - the configuration context ID. “firmware_path” - the path to the firmware, relative to the host’s filesystem.

Returns: Zero on success or a negative error number on failure.