cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / coresight-stm.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/coresight-stm.h b/i686-linux-gnu-4.7/usr/include/linux/coresight-stm.h
new file mode 100644 (file)
index 0000000..8847dbf
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/coresight-stm.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef __UAPI_CORESIGHT_STM_H_
+#define __UAPI_CORESIGHT_STM_H_
+
+#include <linux/const.h>
+
+#define STM_FLAG_TIMESTAMPED   _BITUL(3)
+#define STM_FLAG_GUARANTEED    _BITUL(7)
+
+/*
+ * The CoreSight STM supports guaranteed and invariant timing
+ * transactions.  Guaranteed transactions are guaranteed to be
+ * traced, this might involve stalling the bus or system to
+ * ensure the transaction is accepted by the STM.  While invariant
+ * timing transactions are not guaranteed to be traced, they
+ * will take an invariant amount of time regardless of the
+ * state of the STM.
+ */
+enum {
+       STM_OPTION_GUARANTEED = 0,
+       STM_OPTION_INVARIANT,
+};
+
+#endif