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 __PERF_TSC_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __PERF_TSC_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) struct perf_tsc_conversion {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 	u16 time_shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 	u32 time_mult;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	u64 time_zero;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	u64 time_cycles;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	u64 time_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	bool cap_user_time_zero;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	bool cap_user_time_short;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) struct perf_event_mmap_page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) int perf_read_tsc_conversion(const struct perf_event_mmap_page *pc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 			     struct perf_tsc_conversion *tc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) u64 perf_time_to_tsc(u64 ns, struct perf_tsc_conversion *tc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) u64 tsc_to_perf_time(u64 cyc, struct perf_tsc_conversion *tc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) u64 rdtsc(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #endif // __PERF_TSC_H