Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Copyright (C) 2017 Hari Bathini, IBM Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #ifndef __PERF_NAMESPACES_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #define __PERF_NAMESPACES_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <sys/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/stddef.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/perf_event.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/refcount.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #ifndef HAVE_SETNS_SUPPORT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) int setns(int fd, int nstype);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct perf_record_namespaces;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct namespaces {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	u64 end_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	struct perf_ns_link_info link_info[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct namespaces *namespaces__new(struct perf_record_namespaces *event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) void namespaces__free(struct namespaces *namespaces);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) struct nsinfo {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	pid_t			pid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	pid_t			tgid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	pid_t			nstgid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	bool			need_setns;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	char			*mntns_path;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	refcount_t		refcnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) struct nscookie {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	int			oldns;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	int			newns;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	char			*oldcwd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) int nsinfo__init(struct nsinfo *nsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct nsinfo *nsinfo__new(pid_t pid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) struct nsinfo *nsinfo__copy(struct nsinfo *nsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) void nsinfo__delete(struct nsinfo *nsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct nsinfo *nsinfo__get(struct nsinfo *nsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) void nsinfo__put(struct nsinfo *nsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) void nsinfo__mountns_enter(struct nsinfo *nsi, struct nscookie *nc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) void nsinfo__mountns_exit(struct nscookie *nc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) char *nsinfo__realpath(const char *path, struct nsinfo *nsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) static inline void __nsinfo__zput(struct nsinfo **nsip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	if (nsip) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 		nsinfo__put(*nsip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 		*nsip = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define nsinfo__zput(nsi) __nsinfo__zput(&nsi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) const char *perf_ns__name(unsigned int id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #endif  /* __PERF_NAMESPACES_H */