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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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4e59ab93e2
Replaced COPYING with a description of how the SPDX identifiers are used. Added a GPL-2.0 and LGPL-2.1 license file in the new LICENSES directory. Then removed all the license templates from the source files and replaced them with the corresponding SPDX identifier. Link: http://lore.kernel.org/linux-trace-devel/20200702174950.123454-6-tz.stoyanov@gmail.com Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> [ Ported from trace-cmd.git ] Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: linux-trace-devel@vger.kernel.org Link: http://lore.kernel.org/lkml/20200702185705.601167185@goodmis.org Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/* SPDX-License-Identifier: LGPL-2.1 */
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/*
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* Copyright (C) 2012 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
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*
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*/
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#ifndef _KBUFFER_H
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#define _KBUFFER_H
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#ifndef TS_SHIFT
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#define TS_SHIFT 27
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#endif
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enum kbuffer_endian {
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KBUFFER_ENDIAN_BIG,
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KBUFFER_ENDIAN_LITTLE,
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};
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enum kbuffer_long_size {
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KBUFFER_LSIZE_4,
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KBUFFER_LSIZE_8,
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};
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enum {
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KBUFFER_TYPE_PADDING = 29,
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KBUFFER_TYPE_TIME_EXTEND = 30,
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KBUFFER_TYPE_TIME_STAMP = 31,
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};
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struct kbuffer;
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struct kbuffer *kbuffer_alloc(enum kbuffer_long_size size, enum kbuffer_endian endian);
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void kbuffer_free(struct kbuffer *kbuf);
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int kbuffer_load_subbuffer(struct kbuffer *kbuf, void *subbuffer);
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void *kbuffer_read_event(struct kbuffer *kbuf, unsigned long long *ts);
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void *kbuffer_next_event(struct kbuffer *kbuf, unsigned long long *ts);
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unsigned long long kbuffer_timestamp(struct kbuffer *kbuf);
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void *kbuffer_translate_data(int swap, void *data, unsigned int *size);
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void *kbuffer_read_at_offset(struct kbuffer *kbuf, int offset, unsigned long long *ts);
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int kbuffer_curr_index(struct kbuffer *kbuf);
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int kbuffer_curr_offset(struct kbuffer *kbuf);
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int kbuffer_curr_size(struct kbuffer *kbuf);
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int kbuffer_event_size(struct kbuffer *kbuf);
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int kbuffer_missed_events(struct kbuffer *kbuf);
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int kbuffer_subbuffer_size(struct kbuffer *kbuf);
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void kbuffer_set_old_format(struct kbuffer *kbuf);
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int kbuffer_start_of_data(struct kbuffer *kbuf);
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/* Debugging */
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struct kbuffer_raw_info {
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int type;
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int length;
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unsigned long long delta;
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void *next;
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};
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/* Read raw data */
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struct kbuffer_raw_info *kbuffer_raw_get(struct kbuffer *kbuf, void *subbuf,
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struct kbuffer_raw_info *info);
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#endif /* _K_BUFFER_H */
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