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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Declarations for error reporting tracepoints.
*
* Copyright (C) 2021, Google LLC.
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM error_report
#if !defined(_TRACE_ERROR_REPORT_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_ERROR_REPORT_H
#include <linux/tracepoint.h>
#ifndef __ERROR_REPORT_DECLARE_TRACE_ENUMS_ONCE_ONLY
#define __ERROR_REPORT_DECLARE_TRACE_ENUMS_ONCE_ONLY
enum error_detector {
ERROR_DETECTOR_KFENCE,
ERROR_DETECTOR_KASAN,
ERROR_DETECTOR_WARN,
};
#endif /* __ERROR_REPORT_DECLARE_TRACE_ENUMS_ONCE_ONLY */
#define error_detector_list \
EM(ERROR_DETECTOR_KFENCE, "kfence") \
EM(ERROR_DETECTOR_KASAN, "kasan") \
EMe(ERROR_DETECTOR_WARN, "warning")
/* Always end the list with an EMe. */
#undef EM
#undef EMe
#define EM(a, b) TRACE_DEFINE_ENUM(a);
#define EMe(a, b) TRACE_DEFINE_ENUM(a);
error_detector_list
#undef EM
#undef EMe
#define EM(a, b) { a, b },
#define EMe(a, b) { a, b }
#define show_error_detector_list(val) \
__print_symbolic(val, error_detector_list)
DECLARE_EVENT_CLASS(error_report_template,
TP_PROTO(enum error_detector error_detector, unsigned long id),
TP_ARGS(error_detector, id),
TP_STRUCT__entry(__field(enum error_detector, error_detector)
__field(unsigned long, id)),
TP_fast_assign(__entry->error_detector = error_detector;
__entry->id = id;),
TP_printk("[%s] %lx",
show_error_detector_list(__entry->error_detector),
__entry->id));
/**
* error_report_end - called after printing the error report
* @error_detector: short string describing the error detection tool
* @id: pseudo-unique descriptor identifying the report
* (e.g. the memory access address)
*
* This event occurs right after a debugging tool finishes printing the error
* report.
*/
DEFINE_EVENT(error_report_template, error_report_end,
TP_PROTO(enum error_detector error_detector, unsigned long id),
TP_ARGS(error_detector, id));
#endif /* _TRACE_ERROR_REPORT_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
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