perf cs-etm: Add configuration for ETMv3 trace protocol

This patch deals with the proper initialisation of configuration
parameters for the ETMv3 trace protocol in order to properly handle
packets generated by tracers following this specification.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1543955944-10042-2-git-send-email-mathieu.poirier@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h
index 9351bd10d864..6b5525410a43 100644
--- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h
+++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h
@@ -53,6 +53,13 @@ struct cs_etm_queue;
 typedef u32 (*cs_etm_mem_cb_type)(struct cs_etm_queue *, u64,
 				  size_t, u8 *);
 
+struct cs_etmv3_trace_params {
+	u32 reg_ctrl;
+	u32 reg_trc_id;
+	u32 reg_ccer;
+	u32 reg_idr;
+};
+
 struct cs_etmv4_trace_params {
 	u32 reg_idr0;
 	u32 reg_idr1;
@@ -65,6 +72,7 @@ struct cs_etmv4_trace_params {
 struct cs_etm_trace_params {
 	int protocol;
 	union {
+		struct cs_etmv3_trace_params etmv3;
 		struct cs_etmv4_trace_params etmv4;
 	};
 };