cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

error_report.h (2114B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Declarations for error reporting tracepoints.
      4 *
      5 * Copyright (C) 2021, Google LLC.
      6 */
      7#undef TRACE_SYSTEM
      8#define TRACE_SYSTEM error_report
      9
     10#if !defined(_TRACE_ERROR_REPORT_H) || defined(TRACE_HEADER_MULTI_READ)
     11#define _TRACE_ERROR_REPORT_H
     12
     13#include <linux/tracepoint.h>
     14
     15#ifndef __ERROR_REPORT_DECLARE_TRACE_ENUMS_ONCE_ONLY
     16#define __ERROR_REPORT_DECLARE_TRACE_ENUMS_ONCE_ONLY
     17
     18enum error_detector {
     19	ERROR_DETECTOR_KFENCE,
     20	ERROR_DETECTOR_KASAN,
     21	ERROR_DETECTOR_WARN,
     22};
     23
     24#endif /* __ERROR_REPORT_DECLARE_TRACE_ENUMS_ONCE_ONLY */
     25
     26#define error_detector_list			\
     27	EM(ERROR_DETECTOR_KFENCE, "kfence")	\
     28	EM(ERROR_DETECTOR_KASAN, "kasan")	\
     29	EMe(ERROR_DETECTOR_WARN, "warning")
     30/* Always end the list with an EMe. */
     31
     32#undef EM
     33#undef EMe
     34
     35#define EM(a, b)	TRACE_DEFINE_ENUM(a);
     36#define EMe(a, b)	TRACE_DEFINE_ENUM(a);
     37
     38error_detector_list
     39
     40#undef EM
     41#undef EMe
     42
     43#define EM(a, b) { a, b },
     44#define EMe(a, b) { a, b }
     45
     46#define show_error_detector_list(val) \
     47	__print_symbolic(val, error_detector_list)
     48
     49DECLARE_EVENT_CLASS(error_report_template,
     50		    TP_PROTO(enum error_detector error_detector, unsigned long id),
     51		    TP_ARGS(error_detector, id),
     52		    TP_STRUCT__entry(__field(enum error_detector, error_detector)
     53					     __field(unsigned long, id)),
     54		    TP_fast_assign(__entry->error_detector = error_detector;
     55				   __entry->id = id;),
     56		    TP_printk("[%s] %lx",
     57			      show_error_detector_list(__entry->error_detector),
     58			      __entry->id));
     59
     60/**
     61 * error_report_end - called after printing the error report
     62 * @error_detector:	short string describing the error detection tool
     63 * @id:			pseudo-unique descriptor identifying the report
     64 *			(e.g. the memory access address)
     65 *
     66 * This event occurs right after a debugging tool finishes printing the error
     67 * report.
     68 */
     69DEFINE_EVENT(error_report_template, error_report_end,
     70	     TP_PROTO(enum error_detector error_detector, unsigned long id),
     71	     TP_ARGS(error_detector, id));
     72
     73#endif /* _TRACE_ERROR_REPORT_H */
     74
     75/* This part must be outside protection */
     76#include <trace/define_trace.h>