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/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM mpx
#if !defined(_TRACE_MPX_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_MPX_H
#include <linux/tracepoint.h>
#ifdef CONFIG_X86_INTEL_MPX
TRACE_EVENT(mpx_bounds_register_exception,
TP_PROTO(void *addr_referenced,
const struct mpx_bndreg *bndreg),
TP_ARGS(addr_referenced, bndreg),
TP_STRUCT__entry(
__field(void *, addr_referenced)
__field(u64, lower_bound)
__field(u64, upper_bound)
),
TP_fast_assign(
__entry->addr_referenced = addr_referenced;
__entry->lower_bound = bndreg->lower_bound;
__entry->upper_bound = bndreg->upper_bound;
),
/*
* Note that we are printing out the '~' of the upper
* bounds register here. It is actually stored in its
* one's complement form so that its 'init' state
* corresponds to all 0's. But, that looks like
* gibberish when printed out, so print out the 1's
* complement instead of the actual value here. Note
* though that you still need to specify filters for the
* actual value, not the displayed one.
*/
TP_printk("address referenced: 0x%p bounds: lower: 0x%llx ~upper: 0x%llx",
__entry->addr_referenced,
__entry->lower_bound,
~__entry->upper_bound
)
);
TRACE_EVENT(bounds_exception_mpx,
TP_PROTO(const struct mpx_bndcsr *bndcsr),
TP_ARGS(bndcsr),
TP_STRUCT__entry(
__field(u64, bndcfgu)
__field(u64, bndstatus)
),
TP_fast_assign(
/* need to get rid of the 'const' on bndcsr */
__entry->bndcfgu = (u64)bndcsr->bndcfgu;
__entry->bndstatus = (u64)bndcsr->bndstatus;
),
TP_printk("bndcfgu:0x%llx bndstatus:0x%llx",
__entry->bndcfgu,
__entry->bndstatus)
);
DECLARE_EVENT_CLASS(mpx_range_trace,
TP_PROTO(unsigned long start,
unsigned long end),
TP_ARGS(start, end),
TP_STRUCT__entry(
__field(unsigned long, start)
__field(unsigned long, end)
),
TP_fast_assign(
__entry->start = start;
__entry->end = end;
),
TP_printk("[0x%p:0x%p]",
(void *)__entry->start,
(void *)__entry->end
)
);
DEFINE_EVENT(mpx_range_trace, mpx_unmap_zap,
TP_PROTO(unsigned long start, unsigned long end),
TP_ARGS(start, end)
);
DEFINE_EVENT(mpx_range_trace, mpx_unmap_search,
TP_PROTO(unsigned long start, unsigned long end),
TP_ARGS(start, end)
);
TRACE_EVENT(mpx_new_bounds_table,
TP_PROTO(unsigned long table_vaddr),
TP_ARGS(table_vaddr),
TP_STRUCT__entry(
__field(unsigned long, table_vaddr)
),
TP_fast_assign(
__entry->table_vaddr = table_vaddr;
),
TP_printk("table vaddr:%p", (void *)__entry->table_vaddr)
);
#else
/*
* This gets used outside of MPX-specific code, so we need a stub.
*/
static inline
void trace_bounds_exception_mpx(const struct mpx_bndcsr *bndcsr)
{
}
#endif /* CONFIG_X86_INTEL_MPX */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH asm/trace/
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE mpx
#endif /* _TRACE_MPX_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
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