| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | #ifndef __LINUX_KMOD_H__ |
| 3 | #define __LINUX_KMOD_H__ |
| 4 | |
| 5 | /* |
| 6 | * include/linux/kmod.h |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 |
| 20 | extern char modprobe_path[]; /* for sysctl */ |
| 21 | /* modprobe exit status on success, -ve on error. Return value |
| 22 | * usually useless though. */ |
| 23 | extern __printf(2, 3) |
| 24 | int __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 |
| 30 | static inline int request_module(const char *name, ...) { return -ENOSYS; } |
| 31 | static 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__ */ |