Update ABI to select the output method

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

diff --git a/ltt-debugfs-abi.h b/ltt-debugfs-abi.h
index 8483b2750a74106aa30313120affbeaafc07c70e..e5ddcfa0965ded2110b8c2bfa12aa04c6c763272 100644 (file)
--- a/ltt-debugfs-abi.h
+++ b/ltt-debugfs-abi.h
@@ -7,6 +7,8 @@
  * Copyright 2010 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
  * LTTng debugfs ABI header
+ *
+ * Dual LGPL v2.1/GPL v2 license.
  */
 
 #include <linux/fs.h>
@@ -14,9 +16,17 @@
 #define LTTNG_SYM_NAME_LEN     128
 
 enum lttng_kernel_instrumentation {
-       LTTNG_KERNEL_TRACEPOINT,
-       LTTNG_KERNEL_KPROBE,
-       LTTNG_KERNEL_FUNCTION,
+       LTTNG_KERNEL_TRACEPOINT = 0,
+       LTTNG_KERNEL_KPROBE     = 1,
+       LTTNG_KERNEL_FUNCTION   = 2,
+};
+
+/*
+ * LTTng consumer mode
+ */
+enum lttng_kernel_output {
+       LTTNG_KERNEL_SPLICE     = 0,
+       LTTNG_KERNEL_MMAP       = 1,
 };
 
 /*
@@ -29,6 +39,7 @@ struct lttng_kernel_channel {
        uint64_t num_subbuf;
        unsigned int switch_timer_interval;     /* usecs */
        unsigned int read_timer_interval;       /* usecs */
+       enum lttng_kernel_output output;        /* splice, mmap */
 };
 
 /*
@@ -62,16 +73,22 @@ struct lttng_kernel_tracer_version {
 };
 
 enum lttng_kernel_context_type {
-       LTTNG_KERNEL_CONTEXT_PID,
-       LTTNG_KERNEL_CONTEXT_PERF_COUNTER,
-       LTTNG_KERNEL_CONTEXT_COMM,
-       LTTNG_KERNEL_CONTEXT_PRIO,
-       LTTNG_KERNEL_CONTEXT_NICE,
+       LTTNG_KERNEL_CONTEXT_PID                = 0,
+       LTTNG_KERNEL_CONTEXT_PERF_COUNTER       = 1,
+       LTTNG_KERNEL_CONTEXT_COMM               = 2,
+       LTTNG_KERNEL_CONTEXT_PRIO               = 3,
+       LTTNG_KERNEL_CONTEXT_NICE               = 4,
+       LTTNG_KERNEL_CONTEXT_VPID               = 5,
+       LTTNG_KERNEL_CONTEXT_TID                = 6,
+       LTTNG_KERNEL_CONTEXT_VTID               = 7,
+       LTTNG_KERNEL_CONTEXT_PPID               = 8,
+       LTTNG_KERNEL_CONTEXT_VPPID              = 9,
 };
 
 struct lttng_kernel_perf_counter_ctx {
        uint32_t type;
        uint64_t config;
+       char name[LTTNG_SYM_NAME_LEN];
 };
 
 struct lttng_kernel_context {
@@ -86,6 +103,7 @@ struct lttng_kernel_context {
 #define LTTNG_KERNEL_TRACER_VERSION            \
        _IOR(0xF6, 0x41, struct lttng_kernel_tracer_version)
 #define LTTNG_KERNEL_TRACEPOINT_LIST           _IO(0xF6, 0x42)
+#define LTTNG_KERNEL_WAIT_QUIESCENT            _IO(0xF6, 0x43)
 
 /* Session FD ioctl */
 #define LTTNG_KERNEL_METADATA                  \
@@ -104,4 +122,8 @@ struct lttng_kernel_context {
 #define LTTNG_KERNEL_CONTEXT                   \
        _IOW(0xF6, 0x70, struct lttng_kernel_context)
 
+/* Event, Channel and Session ioctl */
+#define LTTNG_KERNEL_ENABLE                    _IO(0xF6, 0x80)
+#define LTTNG_KERNEL_DISABLE                   _IO(0xF6, 0x81)
+
 #endif /* _LTT_DEBUGFS_ABI_H */