+#define LTTNG_KERNEL_ABI_OLD_ENABLE _IO(0xF6, 0x80)
+#define LTTNG_KERNEL_ABI_OLD_DISABLE _IO(0xF6, 0x81)
+
+
+/* Current ABI (with suport for 32/64 bits compat) */
+/* LTTng file descriptor ioctl */
+#define LTTNG_KERNEL_ABI_SESSION _IO(0xF6, 0x45)
+#define LTTNG_KERNEL_ABI_TRACER_VERSION \
+ _IOR(0xF6, 0x46, struct lttng_kernel_abi_tracer_version)
+#define LTTNG_KERNEL_ABI_TRACEPOINT_LIST _IO(0xF6, 0x47)
+#define LTTNG_KERNEL_ABI_WAIT_QUIESCENT _IO(0xF6, 0x48)
+#define LTTNG_KERNEL_ABI_SYSCALL_LIST _IO(0xF6, 0x4A)
+#define LTTNG_KERNEL_ABI_TRACER_ABI_VERSION \
+ _IOR(0xF6, 0x4B, struct lttng_kernel_abi_tracer_abi_version)
+#define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_GROUP_CREATE \
+ _IO(0xF6, 0x4C)
+
+/* Session FD ioctl */
+#define LTTNG_KERNEL_ABI_METADATA \
+ _IOW(0xF6, 0x54, struct lttng_kernel_abi_channel)
+#define LTTNG_KERNEL_ABI_CHANNEL \
+ _IOW(0xF6, 0x55, struct lttng_kernel_abi_channel)
+#define LTTNG_KERNEL_ABI_SESSION_START _IO(0xF6, 0x56)
+#define LTTNG_KERNEL_ABI_SESSION_STOP _IO(0xF6, 0x57)
+#define LTTNG_KERNEL_ABI_SESSION_TRACK_PID \
+ _IOW(0xF6, 0x58, int32_t)
+#define LTTNG_KERNEL_ABI_SESSION_UNTRACK_PID \
+ _IOW(0xF6, 0x59, int32_t)
+/*
+ * ioctl 0x58 and 0x59 are duplicated here. It works, since _IOR vs _IO
+ * are generating two different ioctl numbers, but this was not done on
+ * purpose. We should generally try to avoid those duplications.
+ */
+#define LTTNG_KERNEL_ABI_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58)
+#define LTTNG_KERNEL_ABI_SESSION_METADATA_REGEN _IO(0xF6, 0x59)
+/* 0x5A and 0x5B are reserved for a future ABI-breaking cleanup. */
+#define LTTNG_KERNEL_ABI_SESSION_STATEDUMP _IO(0xF6, 0x5C)
+#define LTTNG_KERNEL_ABI_SESSION_SET_NAME \
+ _IOW(0xF6, 0x5D, struct lttng_kernel_abi_session_name)
+#define LTTNG_KERNEL_ABI_SESSION_SET_CREATION_TIME \
+ _IOW(0xF6, 0x5E, struct lttng_kernel_abi_session_creation_time)
+
+/* Channel FD ioctl */
+#define LTTNG_KERNEL_ABI_STREAM _IO(0xF6, 0x62)
+#define LTTNG_KERNEL_ABI_EVENT \
+ _IOW(0xF6, 0x63, struct lttng_kernel_abi_event)
+#define LTTNG_KERNEL_ABI_SYSCALL_MASK \
+ _IOWR(0xF6, 0x64, struct lttng_kernel_abi_syscall_mask)
+
+/* Event and Channel FD ioctl */
+#define LTTNG_KERNEL_ABI_CONTEXT \
+ _IOW(0xF6, 0x71, struct lttng_kernel_abi_context)
+
+/* Event, event notifier, Channel and Session ioctl */
+#define LTTNG_KERNEL_ABI_ENABLE _IO(0xF6, 0x82)
+#define LTTNG_KERNEL_ABI_DISABLE _IO(0xF6, 0x83)
+
+/* Event notifier group ioctl */
+#define LTTNG_KERNEL_ABI_COUNTER \
+ _IOW(0xF6, 0x84, struct lttng_kernel_abi_counter_conf)
+
+/* Event and event notifier FD ioctl */
+#define LTTNG_KERNEL_ABI_FILTER _IO(0xF6, 0x90)
+#define LTTNG_KERNEL_ABI_ADD_CALLSITE _IO(0xF6, 0x91)
+
+/* Session FD ioctl (continued) */
+#define LTTNG_KERNEL_ABI_SESSION_LIST_TRACKER_IDS \
+ _IOW(0xF6, 0xA0, struct lttng_kernel_abi_tracker_args)
+#define LTTNG_KERNEL_ABI_SESSION_TRACK_ID \
+ _IOW(0xF6, 0xA1, struct lttng_kernel_abi_tracker_args)
+#define LTTNG_KERNEL_ABI_SESSION_UNTRACK_ID \
+ _IOW(0xF6, 0xA2, struct lttng_kernel_abi_tracker_args)
+
+/* Event notifier group file descriptor ioctl */
+#define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_CREATE \
+ _IOW(0xF6, 0xB0, struct lttng_kernel_abi_event_notifier)
+#define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_GROUP_NOTIFICATION_FD \
+ _IO(0xF6, 0xB1)
+
+/* Event notifier file descriptor ioctl */
+#define LTTNG_KERNEL_ABI_CAPTURE _IO(0xF6, 0xB8)
+
+/* Counter file descriptor ioctl */
+#define LTTNG_KERNEL_ABI_COUNTER_READ \
+ IOWR(0xF6, 0xC0, struct lttng_kernel_abi_counter_read)
+#define LTTNG_KERNEL_ABI_COUNTER_AGGREGATE \
+ _IOWR(0xF6, 0xC1, struct lttng_kernel_abi_counter_aggregate)
+#define LTTNG_KERNEL_ABI_COUNTER_CLEAR \
+ _IOW(0xF6, 0xC2, struct lttng_kernel_abi_counter_clear)
+
+/*
+ * Those ioctl numbers use the wrong direction, but are kept for ABI backward
+ * compatibility.
+ */
+ #define LTTNG_KERNEL_ABI_OLD_SESSION_SET_NAME \
+ _IOR(0xF6, 0x5D, struct lttng_kernel_abi_session_name)
+ #define LTTNG_KERNEL_ABI_OLD_SESSION_SET_CREATION_TIME \
+ _IOR(0xF6, 0x5E, struct lttng_kernel_abi_session_creation_time)
+ #define LTTNG_KERNEL_ABI_OLD_SESSION_TRACK_PID \
+ _IOW(0xF6, 0x58, int32_t)
+ #define LTTNG_KERNEL_ABI_OLD_SESSION_UNTRACK_PID \
+ _IOW(0xF6, 0x59, int32_t)
+ #define LTTNG_KERNEL_ABI_OLD_SESSION_LIST_TRACKER_IDS \
+ _IOR(0xF6, 0xA0, struct lttng_kernel_abi_tracker_args)
+ #define LTTNG_KERNEL_ABI_OLD_SESSION_TRACK_ID \
+ _IOR(0xF6, 0xA1, struct lttng_kernel_abi_tracker_args)
+ #define LTTNG_KERNEL_ABI_OLD_SESSION_UNTRACK_ID \
+ _IOR(0xF6, 0xA2, struct lttng_kernel_abi_tracker_args)