Use LTTNG_KERNEL_* namespace for exported header

[lttng-modules.git] / ltt-debugfs-abi.h

diff --git a/ltt-debugfs-abi.h b/ltt-debugfs-abi.h
index 2d02b44fb1995b497e321a0e41df308d028dd807..103e561b45f0460b8ac43bdb1acbd8f7c76d3dcc 100644 (file)
--- a/ltt-debugfs-abi.h
+++ b/ltt-debugfs-abi.h
@@ -11,15 +11,16 @@
 
 #include <linux/fs.h>
 
-enum instrum_type {
-       INSTRUM_TRACEPOINTS,
+enum lttng_kernel_instrumentation {
+       LTTNG_KERNEL_TRACEPOINTS,
+       LTTNG_KERNEL_KPROBES,
 };
 
 /*
  * LTTng DebugFS ABI structures.
  */
 
-struct lttng_channel {
+struct lttng_kernel_channel {
        int overwrite;                  /* 1: overwrite, 0: discard */
        u64 subbuf_size;
        u64 num_subbuf;
@@ -27,20 +28,34 @@ struct lttng_channel {
        unsigned int read_timer_interval;
 };
 
-struct lttng_event {
-       enum instrum_type itype;
+struct lttng_kernel_event {
+       enum lttng_kernel_instrumentation instrumentation;
        char name[];
 };
 
-/* TODO: LTTNG_KERNEL_SESSION..... */
-/* TODO: ioctl LTTNG_KERNEL_TRACER_VERSION */
+/*
+ * Either addr is used, or symbol_name and offset.
+ */
+struct lttng_kernel_kprobe {
+       u64 addr;
+
+       u64 offset;
+       char symbol_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)
-#define LTTNG_METADATA         _IOW(0xF6, 0x46, struct lttng_channel)
+#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    \
+       _IOW(0xF6, 0x48, struct lttng_kernel_tracer_version)
 
 #endif /* _LTT_DEBUGFS_ABI_H */