Add event notifier and event notifier enabler

[lttng-modules.git] / include / lttng / abi.h

diff --git a/include/lttng/abi.h b/include/lttng/abi.h
index 8ef9c11261eecd6c0078c24ed922f8a972d20d9c..03e07ae937b50e06709629f8564416cf5fde2b0e 100644 (file)
--- a/include/lttng/abi.h
+++ b/include/lttng/abi.h
@@ -137,6 +137,13 @@ struct lttng_kernel_event {
        } u;
 } __attribute__((packed));
 
+#define LTTNG_KERNEL_EVENT_NOTIFIER_PADDING1   16
+struct lttng_kernel_event_notifier {
+       struct lttng_kernel_event event;
+
+       char padding[LTTNG_KERNEL_EVENT_NOTIFIER_PADDING1];
+} __attribute__((packed));
+
 struct lttng_kernel_tracer_version {
        uint32_t major;
        uint32_t minor;
@@ -307,12 +314,12 @@ struct lttng_kernel_tracker_args {
 #define LTTNG_KERNEL_CONTEXT                   \
        _IOW(0xF6, 0x71, struct lttng_kernel_context)
 
-/* Event, Channel and Session ioctl */
+/* Event, Event notifier, Channel and Session ioctl */
 /* lttng/abi-old.h reserve 0x80 and 0x81. */
 #define LTTNG_KERNEL_ENABLE                    _IO(0xF6, 0x82)
 #define LTTNG_KERNEL_DISABLE                   _IO(0xF6, 0x83)
 
-/* Event FD ioctl */
+/* Event and Event notifier FD ioctl */
 #define LTTNG_KERNEL_FILTER                    _IO(0xF6, 0x90)
 #define LTTNG_KERNEL_ADD_CALLSITE              _IO(0xF6, 0x91)
 
@@ -324,6 +331,10 @@ struct lttng_kernel_tracker_args {
 #define LTTNG_KERNEL_SESSION_UNTRACK_ID                \
        _IOR(0xF6, 0xA2, struct lttng_kernel_tracker_args)
 
+/* Event notifier group file descriptor ioctl */
+#define LTTNG_KERNEL_EVENT_NOTIFIER_CREATE \
+       _IOW(0xF6, 0xB0, struct lttng_kernel_event_notifier)
+
 /*
  * LTTng-specific ioctls for the lib ringbuffer.
  *