kmod.h (1045B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2#ifndef __LINUX_KMOD_H__ 3#define __LINUX_KMOD_H__ 4 5/* 6 * include/linux/kmod.h 7 */ 8 9#include <linux/umh.h> 10#include <linux/gfp.h> 11#include <linux/stddef.h> 12#include <linux/errno.h> 13#include <linux/compiler.h> 14#include <linux/workqueue.h> 15#include <linux/sysctl.h> 16 17#define KMOD_PATH_LEN 256 18 19#ifdef CONFIG_MODULES 20extern char modprobe_path[]; /* for sysctl */ 21/* modprobe exit status on success, -ve on error. Return value 22 * usually useless though. */ 23extern __printf(2, 3) 24int __request_module(bool wait, const char *name, ...); 25#define request_module(mod...) __request_module(true, mod) 26#define request_module_nowait(mod...) __request_module(false, mod) 27#define try_then_request_module(x, mod...) \ 28 ((x) ?: (__request_module(true, mod), (x))) 29#else 30static inline int request_module(const char *name, ...) { return -ENOSYS; } 31static inline int request_module_nowait(const char *name, ...) { return -ENOSYS; } 32#define try_then_request_module(x, mod...) (x) 33#endif 34 35#endif /* __LINUX_KMOD_H__ */