Add read version ABI ioctl

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

diff --git a/ltt-debugfs-abi.h b/ltt-debugfs-abi.h
index 103e561b45f0460b8ac43bdb1acbd8f7c76d3dcc..ef2554b81bce95f546e799ac1ad4021a5d118bca 100644 (file)
--- a/ltt-debugfs-abi.h
+++ b/ltt-debugfs-abi.h
@@ -22,8 +22,8 @@ enum lttng_kernel_instrumentation {
 
 struct lttng_kernel_channel {
        int overwrite;                  /* 1: overwrite, 0: discard */
-       u64 subbuf_size;
-       u64 num_subbuf;
+       uint64_t subbuf_size;
+       uint64_t num_subbuf;
        unsigned int switch_timer_interval;
        unsigned int read_timer_interval;
 };
@@ -37,12 +37,18 @@ struct lttng_kernel_event {
  * Either addr is used, or symbol_name and offset.
  */
 struct lttng_kernel_kprobe {
-       u64 addr;
+       uint64_t addr;
 
-       u64 offset;
+       uint64_t offset;
        char symbol_name[];
 };
 
+struct lttng_kernel_tracer_version {
+       uint32_t version;
+       uint32_t patchlevel;
+       uint32_t sublevel;
+};
+
 #define LTTNG_KERNEL_SESSION           _IO(0xF6, 0x40)
 #define LTTNG_KERNEL_SESSION_START     _IO(0xF6, 0x41)
 #define LTTNG_KERNEL_SESSION_STOP      _IO(0xF6, 0x42)
@@ -56,6 +62,6 @@ struct lttng_kernel_kprobe {
 #define LTTNG_KERNEL_KPROBE            \
        _IOW(0xF6, 0x47, struct lttng_kernel_kprobe)
 #define LTTNG_KERNEL_TRACER_VERSION    \
-       _IOW(0xF6, 0x48, struct lttng_kernel_tracer_version)
+       _IOR(0xF6, 0x48, struct lttng_kernel_tracer_version)
 
 #endif /* _LTT_DEBUGFS_ABI_H */