cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ipi.h (1924B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#undef TRACE_SYSTEM
      3#define TRACE_SYSTEM ipi
      4
      5#if !defined(_TRACE_IPI_H) || defined(TRACE_HEADER_MULTI_READ)
      6#define _TRACE_IPI_H
      7
      8#include <linux/tracepoint.h>
      9
     10/**
     11 * ipi_raise - called when a smp cross call is made
     12 *
     13 * @mask: mask of recipient CPUs for the IPI
     14 * @reason: string identifying the IPI purpose
     15 *
     16 * It is necessary for @reason to be a static string declared with
     17 * __tracepoint_string.
     18 */
     19TRACE_EVENT(ipi_raise,
     20
     21	TP_PROTO(const struct cpumask *mask, const char *reason),
     22
     23	TP_ARGS(mask, reason),
     24
     25	TP_STRUCT__entry(
     26		__bitmask(target_cpus, nr_cpumask_bits)
     27		__field(const char *, reason)
     28	),
     29
     30	TP_fast_assign(
     31		__assign_bitmask(target_cpus, cpumask_bits(mask), nr_cpumask_bits);
     32		__entry->reason = reason;
     33	),
     34
     35	TP_printk("target_mask=%s (%s)", __get_bitmask(target_cpus), __entry->reason)
     36);
     37
     38DECLARE_EVENT_CLASS(ipi_handler,
     39
     40	TP_PROTO(const char *reason),
     41
     42	TP_ARGS(reason),
     43
     44	TP_STRUCT__entry(
     45		__field(const char *, reason)
     46	),
     47
     48	TP_fast_assign(
     49		__entry->reason = reason;
     50	),
     51
     52	TP_printk("(%s)", __entry->reason)
     53);
     54
     55/**
     56 * ipi_entry - called immediately before the IPI handler
     57 *
     58 * @reason: string identifying the IPI purpose
     59 *
     60 * It is necessary for @reason to be a static string declared with
     61 * __tracepoint_string, ideally the same as used with trace_ipi_raise
     62 * for that IPI.
     63 */
     64DEFINE_EVENT(ipi_handler, ipi_entry,
     65
     66	TP_PROTO(const char *reason),
     67
     68	TP_ARGS(reason)
     69);
     70
     71/**
     72 * ipi_exit - called immediately after the IPI handler returns
     73 *
     74 * @reason: string identifying the IPI purpose
     75 *
     76 * It is necessary for @reason to be a static string declared with
     77 * __tracepoint_string, ideally the same as used with trace_ipi_raise for
     78 * that IPI.
     79 */
     80DEFINE_EVENT(ipi_handler, ipi_exit,
     81
     82	TP_PROTO(const char *reason),
     83
     84	TP_ARGS(reason)
     85);
     86
     87#endif /* _TRACE_IPI_H */
     88
     89/* This part must be outside protection */
     90#include <trace/define_trace.h>