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.

Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Mike Leach <mike.leach@linaro.org>
Signed-off-by: James Clark <james.clark@arm.com>
Tested-by: Leo Yan <leo.yan@arm.com>
Tested-by: Ganapatrao Kulkarni <gankulkarni@os.amperecomputing.com>
Signed-off-by: James Clark <james.clark@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20240722101202.26915-12-james.clark@linaro.org

Author: James-A-Clark

drivers/hwtracing/coresight/coresight-trace-id.c

@@ -3,6 +3,7 @@
  * Copyright (c) 2022, Linaro Limited, All rights reserved.
  * Author: Mike Leach <mike.leach@linaro.org>
  */
+#include <linux/coresight.h>
 #include <linux/coresight-pmu.h>
 #include <linux/cpumask.h>
 #include <linux/kernel.h>

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 */
 
 /**

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.