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Diffstat (limited to 'drivers/s390/cio/cio_debug.h')
-rw-r--r--drivers/s390/cio/cio_debug.h34
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 00000000000..e64e8278c42
--- /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