Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: LGPL-2.1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Copyright (C) 2012 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #ifndef _KBUFFER_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #define _KBUFFER_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #ifndef TS_SHIFT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define TS_SHIFT		27
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) enum kbuffer_endian {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	KBUFFER_ENDIAN_BIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	KBUFFER_ENDIAN_LITTLE,
^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) enum kbuffer_long_size {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	KBUFFER_LSIZE_4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	KBUFFER_LSIZE_8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	KBUFFER_TYPE_PADDING		= 29,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	KBUFFER_TYPE_TIME_EXTEND	= 30,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	KBUFFER_TYPE_TIME_STAMP		= 31,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct kbuffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) struct kbuffer *kbuffer_alloc(enum kbuffer_long_size size, enum kbuffer_endian endian);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) void kbuffer_free(struct kbuffer *kbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) int kbuffer_load_subbuffer(struct kbuffer *kbuf, void *subbuffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) void *kbuffer_read_event(struct kbuffer *kbuf, unsigned long long *ts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) void *kbuffer_next_event(struct kbuffer *kbuf, unsigned long long *ts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) unsigned long long kbuffer_timestamp(struct kbuffer *kbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) unsigned long long kbuffer_subbuf_timestamp(struct kbuffer *kbuf, void *subbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) unsigned int kbuffer_ptr_delta(struct kbuffer *kbuf, void *ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) void *kbuffer_translate_data(int swap, void *data, unsigned int *size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) void *kbuffer_read_at_offset(struct kbuffer *kbuf, int offset, unsigned long long *ts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) int kbuffer_curr_index(struct kbuffer *kbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) int kbuffer_curr_offset(struct kbuffer *kbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) int kbuffer_curr_size(struct kbuffer *kbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) int kbuffer_event_size(struct kbuffer *kbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) int kbuffer_missed_events(struct kbuffer *kbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) int kbuffer_subbuffer_size(struct kbuffer *kbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) void kbuffer_set_old_format(struct kbuffer *kbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) int kbuffer_start_of_data(struct kbuffer *kbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) /* Debugging */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct kbuffer_raw_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	int			type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	int			length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	unsigned long long	delta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	void			*next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) /* Read raw data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) struct kbuffer_raw_info *kbuffer_raw_get(struct kbuffer *kbuf, void *subbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 					 struct kbuffer_raw_info *info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #endif /* _K_BUFFER_H */