linux-kernel - [PATCH 10/17] coresight: Move struct coresight_trace_id

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Message-Id: <20240429152207.479221-11-james.clark@arm.com>
Date: Mon, 29 Apr 2024 16:21:55 +0100
From: James Clark <james.clark@....com>
To: linux-perf-users@...r.kernel.org,
	gankulkarni@...amperecomputing.com,
	scclevenger@...amperecomputing.com,
	coresight@...ts.linaro.org,
	suzuki.poulose@....com,
	mike.leach@...aro.org
Cc: James Clark <james.clark@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Jiri Olsa <jolsa@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	John Garry <john.g.garry@...cle.com>,
	Will Deacon <will@...nel.org>,
	Leo Yan <leo.yan@...ux.dev>,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com
Subject: [PATCH 10/17] coresight: Move struct coresight_trace_id_map to common header

The trace ID maps will need to be created and stored by the core and
Perf code so move the definition up to the common header.

Signed-off-by: James Clark <james.clark@....com>
---
 .../hwtracing/coresight/coresight-trace-id.c  |  1 +
 .../hwtracing/coresight/coresight-trace-id.h  | 19 -------------------
 include/linux/coresight.h                     | 18 ++++++++++++++++++
 3 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/drivers/hwtracing/coresight/coresight-trace-id.c b/drivers/hwtracing/coresight/coresight-trace-id.c
index af5b4ef59cea..19005b5b4dc4 100644
--- a/drivers/hwtracing/coresight/coresight-trace-id.c
+++ b/drivers/hwtracing/coresight/coresight-trace-id.c
@@ -3,6 +3,7 @@
  * Copyright (c) 2022, Linaro Limited, All rights reserved.
  * Author: Mike Leach <mike.leach@...aro.org>
  */
+#include <linux/coresight.h>
 #include <linux/coresight-pmu.h>
 #include <linux/cpumask.h>
 #include <linux/kernel.h>
diff --git a/drivers/hwtracing/coresight/coresight-trace-id.h b/drivers/hwtracing/coresight/coresight-trace-id.h
index 3797777d367e..49438a96fcc6 100644
--- a/drivers/hwtracing/coresight/coresight-trace-id.h
+++ b/drivers/hwtracing/coresight/coresight-trace-id.h
@@ -32,10 +32,6 @@
 #include <linux/bitops.h>
 #include <linux/types.h>
 
-
-/* architecturally we have 128 IDs some of which are reserved */
-#define CORESIGHT_TRACE_IDS_MAX 128
-
 /* ID 0 is reserved */
 #define CORESIGHT_TRACE_ID_RES_0 0
 
@@ -46,21 +42,6 @@
 #define IS_VALID_CS_TRACE_ID(id)	\
 	((id > CORESIGHT_TRACE_ID_RES_0) && (id < CORESIGHT_TRACE_ID_RES_TOP))
 
-/**
- * Trace ID map.
- *
- * @used_ids:	Bitmap to register available (bit = 0) and in use (bit = 1) IDs.
- *		Initialised so that the reserved IDs are permanently marked as
- *		in use.
- * @pend_rel_ids: CPU IDs that have been released by the trace source but not
- *		  yet marked as available, to allow re-allocation to the same
- *		  CPU during a perf session.
- */
-struct coresight_trace_id_map {
-	DECLARE_BITMAP(used_ids, CORESIGHT_TRACE_IDS_MAX);
-	DECLARE_BITMAP(pend_rel_ids, CORESIGHT_TRACE_IDS_MAX);
-};
-
 /* Allocate and release IDs for a single default trace ID map */
 
 /**
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index f09ace92176e..c16c61a8411d 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -218,6 +218,24 @@ struct coresight_sysfs_link {
 	const char *target_name;
 };
 
+/* architecturally we have 128 IDs some of which are reserved */
+#define CORESIGHT_TRACE_IDS_MAX 128
+
+/**
+ * Trace ID map.
+ *
+ * @used_ids:	Bitmap to register available (bit = 0) and in use (bit = 1) IDs.
+ *		Initialised so that the reserved IDs are permanently marked as
+ *		in use.
+ * @pend_rel_ids: CPU IDs that have been released by the trace source but not
+ *		  yet marked as available, to allow re-allocation to the same
+ *		  CPU during a perf session.
+ */
+struct coresight_trace_id_map {
+	DECLARE_BITMAP(used_ids, CORESIGHT_TRACE_IDS_MAX);
+	DECLARE_BITMAP(pend_rel_ids, CORESIGHT_TRACE_IDS_MAX);
+};
+
 /**
  * struct coresight_device - representation of a device as used by the framework
  * @pdata:	Platform data with device connections associated to this device.
-- 
2.34.1