/* SPDX-License-Identifier: LGPL-2.1 *//* * Copyright (C) 2012 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> * */#ifndef _KBUFFER_H#define _KBUFFER_H #ifndef TS_SHIFT#define TS_SHIFT		27#endif enum kbuffer_endian {	KBUFFER_ENDIAN_BIG,	KBUFFER_ENDIAN_LITTLE,}; enum kbuffer_long_size {	KBUFFER_LSIZE_4,	KBUFFER_LSIZE_8,}; enum {	KBUFFER_TYPE_PADDING		= 29,	KBUFFER_TYPE_TIME_EXTEND	= 30,	KBUFFER_TYPE_TIME_STAMP		= 31,}; struct kbuffer; struct kbuffer *kbuffer_alloc(enum kbuffer_long_size size, enum kbuffer_endian endian);void kbuffer_free(struct kbuffer *kbuf);int kbuffer_load_subbuffer(struct kbuffer *kbuf, void *subbuffer);void *kbuffer_read_event(struct kbuffer *kbuf, unsigned long long *ts);void *kbuffer_next_event(struct kbuffer *kbuf, unsigned long long *ts);unsigned long long kbuffer_timestamp(struct kbuffer *kbuf);unsigned long long kbuffer_subbuf_timestamp(struct kbuffer *kbuf, void *subbuf);unsigned int kbuffer_ptr_delta(struct kbuffer *kbuf, void *ptr); void *kbuffer_translate_data(int swap, void *data, unsigned int *size); void *kbuffer_read_at_offset(struct kbuffer *kbuf, int offset, unsigned long long *ts); int kbuffer_curr_index(struct kbuffer *kbuf); int kbuffer_curr_offset(struct kbuffer *kbuf);int kbuffer_curr_size(struct kbuffer *kbuf);int kbuffer_event_size(struct kbuffer *kbuf);int kbuffer_missed_events(struct kbuffer *kbuf);int kbuffer_subbuffer_size(struct kbuffer *kbuf); void kbuffer_set_old_format(struct kbuffer *kbuf);int kbuffer_start_of_data(struct kbuffer *kbuf); /* Debugging */ struct kbuffer_raw_info {	int			type;	int			length;	unsigned long long	delta;	void			*next;}; /* Read raw data */struct kbuffer_raw_info *kbuffer_raw_get(struct kbuffer *kbuf, void *subbuf,					 struct kbuffer_raw_info *info); #endif /* _K_BUFFER_H */