-#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)
+#define LTTNG_KERNEL_SESSION _IO(0xF6, 0x40)
+#define LTTNG_KERNEL_SESSION_START _IO(0xF6, 0x41)
+#define LTTNG_KERNEL_SESSION_STOP _IO(0xF6, 0x42)
+#define LTTNG_KERNEL_CHANNEL \
+ _IOW(0xF6, 0x43, struct lttng_kernel_channel)
+#define LTTNG_KERNEL_STREAM _IO(0xF6, 0x44)
+#define LTTNG_KERNEL_EVENT \
+ _IOW(0xF6, 0x45, struct lttng_kernel_event)
+#define LTTNG_KERNEL_METADATA \
+ _IOW(0xF6, 0x46, struct lttng_kernel_channel)
+#define LTTNG_KERNEL_KPROBE \
+ _IOW(0xF6, 0x47, struct lttng_kernel_kprobe)
+#define LTTNG_KERNEL_TRACER_VERSION \
+ _IOR(0xF6, 0x48, struct lttng_kernel_tracer_version)