From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Thu, 2 Dec 2010 21:12:12 +0000 (-0500)
Subject: Add ltt-debugfs-abi.h
X-Git-Tag: v2.0-pre1~205
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=57a13317407af307da09f519799a860f88ae7246;p=lttng-modules.git

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
index 00000000..a232e131
--- /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 */