Add ltt-debugfs-abi.h

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/ltt-debugfs-abi.h b/ltt-debugfs-abi.h
new file mode 100644 (file)
index 0000000..a232e13
--- /dev/null
+++ b/ltt-debugfs-abi.h
@@ -0,0 +1,42 @@
+#ifndef _LTT_DEBUGFS_ABI_H
+#define _LTT_DEBUGFS_ABI_H
+
+/*
+ * ltt-debugfs-abi.h
+ *
+ * Copyright 2010 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * LTTng debugfs ABI header
+ */
+
+#include <linux/fs.h>
+
+enum instrum_type {
+       INSTRUM_TRACEPOINTS,
+};
+
+/*
+ * LTTng DebugFS ABI structures.
+ */
+
+struct lttng_channel {
+       int overwrite;                  /* 1: overwrite, 0: discard */
+       u64 subbuf_size;
+       u64 num_subbuf;
+       unsigned int switch_timer_interval;
+       unsigned int read_timer_interval;
+};
+
+struct lttng_event {
+       enum instrum_type itype;
+       char name[];
+};
+
+#define LTTNG_SESSION          _IO(0xF6, 0x40)
+#define LTTNG_SESSION_START    _IO(0xF6, 0x41)
+#define LTTNG_SESSION_STOP     _IO(0xF6, 0x42)
+#define LTTNG_CHANNEL          _IOW(0xF6, 0x43, struct lttng_channel)
+#define LTTNG_STREAM           _IO(0xF6, 0x44)
+#define LTTNG_EVENT            _IOW(0xF6, 0x45, struct lttng_event)
+
+#endif /* _LTT_DEBUGFS_ABI_H */