Introduce the ability to name a session

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

diff --git a/lttng-abi.h b/lttng-abi.h
index b2d527c4711ea4b4a54b2a3ef4b00336d2585f5c..35070a5593ea2dc4dbbd883f9151f7eb7401c885 100644 (file)
--- a/lttng-abi.h
+++ b/lttng-abi.h
@@ -17,9 +17,10 @@
  * should be increased when an incompatible ABI change is done.
  */
 #define LTTNG_MODULES_ABI_MAJOR_VERSION                2
-#define LTTNG_MODULES_ABI_MINOR_VERSION                3
+#define LTTNG_MODULES_ABI_MINOR_VERSION                4
 
 #define LTTNG_KERNEL_SYM_NAME_LEN      256
+#define LTTNG_KERNEL_SESSION_NAME_LEN  256
 
 enum lttng_kernel_instrumentation {
        LTTNG_KERNEL_TRACEPOINT = 0,
@@ -119,6 +120,10 @@ struct lttng_kernel_tracer_abi_version {
        uint32_t minor;
 } __attribute__((packed));
 
+struct lttng_kernel_session_name {
+       char name[LTTNG_KERNEL_SESSION_NAME_LEN];
+} __attribute__((packed));
+
 enum lttng_kernel_calibrate_type {
        LTTNG_KERNEL_CALIBRATE_KRETPROBE,
 };
@@ -228,8 +233,11 @@ struct lttng_kernel_filter_bytecode {
  */
 #define LTTNG_KERNEL_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58)
 #define LTTNG_KERNEL_SESSION_METADATA_REGEN    _IO(0xF6, 0x59)
+
 /* 0x5A and 0x5B are reserved for a future ABI-breaking cleanup. */
 #define LTTNG_KERNEL_SESSION_STATEDUMP         _IO(0xF6, 0x5C)
+#define LTTNG_KERNEL_SESSION_SET_NAME          \
+       _IOR(0xF6, 0x5D, struct lttng_kernel_session_name)
 
 /* Channel FD ioctl */
 #define LTTNG_KERNEL_STREAM                    _IO(0xF6, 0x62)