Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef __API_FS__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __API_FS__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <stdbool.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * On most systems <limits.h> would have given us this, but  not on some systems
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * (e.g. GNU/Hurd).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #ifndef PATH_MAX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define PATH_MAX 4096
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define FS(name)				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	const char *name##__mountpoint(void);	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	const char *name##__mount(void);	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	bool name##__configured(void);		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)  * The xxxx__mountpoint() entry points find the first match mount point for each
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)  * filesystems listed below, where xxxx is the filesystem type.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)  * The interface is as follows:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)  * - If a mount point is found on first call, it is cached and used for all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)  *   subsequent calls.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)  * - If a mount point is not found, NULL is returned on first call and all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)  *   subsequent calls.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) FS(sysfs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) FS(procfs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) FS(debugfs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) FS(tracefs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) FS(hugetlbfs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) FS(bpf_fs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #undef FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) int cgroupfs_find_mountpoint(char *buf, size_t maxlen, const char *subsys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) int filename__read_int(const char *filename, int *value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) int filename__read_ull(const char *filename, unsigned long long *value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) int filename__read_xll(const char *filename, unsigned long long *value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) int filename__read_str(const char *filename, char **buf, size_t *sizep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) int filename__write_int(const char *filename, int value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) int procfs__read_str(const char *entry, char **buf, size_t *sizep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) int sysctl__read_int(const char *sysctl, int *value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) int sysfs__read_int(const char *entry, int *value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) int sysfs__read_ull(const char *entry, unsigned long long *value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) int sysfs__read_xll(const char *entry, unsigned long long *value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) int sysfs__read_str(const char *entry, char **buf, size_t *sizep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) int sysfs__read_bool(const char *entry, bool *value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) int sysfs__write_int(const char *entry, int value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #endif /* __API_FS__ */