/* * Copyright (C) 2012 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License (not later!) * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */#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 */