summaryrefslogtreecommitdiff
path: root/drivers/s390/char/ctrlchar.h
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/s390/char/ctrlchar.h
Initial import
Diffstat (limited to 'drivers/s390/char/ctrlchar.h')
-rw-r--r--drivers/s390/char/ctrlchar.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/s390/char/ctrlchar.h b/drivers/s390/char/ctrlchar.h
new file mode 100644
index 000000000..1a53552f4
--- /dev/null
+++ b/drivers/s390/char/ctrlchar.h
@@ -0,0 +1,19 @@
+/*
+ * Unified handling of special chars.
+ *
+ * Copyright IBM Corp. 2001
+ * Author(s): Fritz Elfert <felfert@millenux.com> <elfert@de.ibm.com>
+ *
+ */
+
+#include <linux/tty.h>
+
+extern unsigned int
+ctrlchar_handle(const unsigned char *buf, int len, struct tty_struct *tty);
+
+
+#define CTRLCHAR_NONE (1 << 8)
+#define CTRLCHAR_CTRL (2 << 8)
+#define CTRLCHAR_SYSRQ (3 << 8)
+
+#define CTRLCHAR_MASK (~0xffu)