Initial import

1 files changed, 34 insertions, 0 deletions

diff --git a/drivers/s390/cio/cio_debug.h b/drivers/s390/cio/cio_debug.h
new file mode 100644
index 000000000..e64e8278c
--- /dev/null
+++ b/drivers/s390/cio/cio_debug.h
@@ -0,0 +1,34 @@
+#ifndef CIO_DEBUG_H
+#define CIO_DEBUG_H
+
+#include <asm/debug.h>
+
+/* for use of debug feature */
+extern debug_info_t *cio_debug_msg_id;
+extern debug_info_t *cio_debug_trace_id;
+extern debug_info_t *cio_debug_crw_id;
+
+#define CIO_TRACE_EVENT(imp, txt) do {				\
+		debug_text_event(cio_debug_trace_id, imp, txt); \
+	} while (0)
+
+#define CIO_MSG_EVENT(imp, args...) do {				\
+		debug_sprintf_event(cio_debug_msg_id, imp , ##args);	\
+	} while (0)
+
+#define CIO_CRW_EVENT(imp, args...) do {				\
+		debug_sprintf_event(cio_debug_crw_id, imp , ##args);	\
+	} while (0)
+
+static inline void CIO_HEX_EVENT(int level, void *data, int length)
+{
+	if (unlikely(!cio_debug_trace_id))
+		return;
+	while (length > 0) {
+		debug_event(cio_debug_trace_id, level, data, length);
+		length -= cio_debug_trace_id->buf_size;
+		data += cio_debug_trace_id->buf_size;
+	}
+}
+
+#endif