trusty: Add notifier before and after every smc call.

Called with local interrupts disabled.

Change-Id: I6feb9cee349f78f8d228294f238b0b420a6d4beb
Signed-off-by: Arve Hjønnevåg <arve@android.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/trusty/trusty.h b/include/linux/trusty/trusty.h
index 30d4300ba..ce00c1d46 100644
--- a/include/linux/trusty/trusty.h
+++ b/include/linux/trusty/trusty.h
@@ -43,4 +43,14 @@ static inline s64 trusty_fast_call64(struct device *dev,
 #endif
 #endif
 
+struct notifier_block;
+enum {
+        TRUSTY_CALL_PREPARE,
+        TRUSTY_CALL_RETURNED,
+};
+int trusty_call_notifier_register(struct device *dev,
+                                  struct notifier_block *n);
+int trusty_call_notifier_unregister(struct device *dev,
+                                    struct notifier_block *n);
+
 #endif