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Diffstat (limited to 'drivers/hwtracing/coresight/coresight-etm4x.h')
-rw-r--r--drivers/hwtracing/coresight/coresight-etm4x.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h
index eefc7371c6c4..3dd3e0633328 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x.h
+++ b/drivers/hwtracing/coresight/coresight-etm4x.h
@@ -8,6 +8,7 @@
#include <asm/local.h>
#include <linux/spinlock.h>
+#include <linux/types.h>
#include "coresight-priv.h"
/*
@@ -203,6 +204,11 @@
/* Interpretation of resource numbers change at ETM v4.3 architecture */
#define ETM4X_ARCH_4V3 0x43
+enum etm_impdef_type {
+ ETM4_IMPDEF_HISI_CORE_COMMIT,
+ ETM4_IMPDEF_FEATURE_MAX,
+};
+
/**
* struct etmv4_config - configuration information related to an ETMv4
* @mode: Controls various modes supported by this ETM.
@@ -415,6 +421,7 @@ struct etmv4_save_state {
* @state_needs_restore: True when there is context to restore after PM exit
* @skip_power_up: Indicates if an implementation can skip powering up
* the trace unit.
+ * @arch_features: Bitmap of arch features of etmv4 devices.
*/
struct etmv4_drvdata {
void __iomem *base;
@@ -463,6 +470,7 @@ struct etmv4_drvdata {
struct etmv4_save_state *save_state;
bool state_needs_restore;
bool skip_power_up;
+ DECLARE_BITMAP(arch_features, ETM4_IMPDEF_FEATURE_MAX);
};
/* Address comparator access types */