void (*device_remove)(struct device *device, void *arg);
void (*update_status)(struct boot_status *status, void *arg);
void (*update_sysinfo)(struct system_info *sysinfo, void *arg);
void (*device_remove)(struct device *device, void *arg);
void (*update_status)(struct boot_status *status, void *arg);
void (*update_sysinfo)(struct system_info *sysinfo, void *arg);