trusty: Get version string from trusty

Print trusty version to kernel log on startup, and export it in sysfs.

Change-Id: Ibb503a9385a223b590b882578fdd6332fc750a8d
Signed-off-by: Arve Hjønnevåg <arve@android.com>

2 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/trusty/smcall.h b/include/linux/trusty/smcall.h
index 278a4b256..4344683f6 100644
--- a/include/linux/trusty/smcall.h
+++ b/include/linux/trusty/smcall.h
@@ -71,5 +71,6 @@
 #define SMC_FC_CPU_RESUME       SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 8)
 
 #define SMC_FC_AARCH_SWITCH     SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 9)
+#define SMC_FC_GET_VERSION_STR  SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 10)
 
 #endif /* __LINUX_TRUSTY_SMCALL_H */
diff --git a/include/linux/trusty/trusty.h b/include/linux/trusty/trusty.h
index ce00c1d46..abb77f1db 100644
--- a/include/linux/trusty/trusty.h
+++ b/include/linux/trusty/trusty.h
@@ -52,5 +52,5 @@ int trusty_call_notifier_register(struct device *dev,
                                   struct notifier_block *n);
 int trusty_call_notifier_unregister(struct device *dev,
                                     struct notifier_block *n);
-
+const char *trusty_version_str_get(struct device *dev);
 #endif