kmod.h 1.0 KB

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