s390: add scm notification
Detect an scm change notification in store event information.
Update affected scm devices and notify their drivers.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h
index 3aa94fe..662dab4 100644
--- a/drivers/s390/cio/chsc.h
+++ b/drivers/s390/cio/chsc.h
@@ -154,4 +154,11 @@
int chsc_scm_info(struct chsc_scm_info *scm_area, u64 token);
+#ifdef CONFIG_SCM_BUS
+int scm_update_information(void);
+#else /* CONFIG_SCM_BUS */
+#define scm_update_information() 0
+#endif /* CONFIG_SCM_BUS */
+
+
#endif