X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=ltt-debugfs-abi.h;h=8dc0fde9b8c4cd59738438f41f9ec76bb4f86326;hb=5c0552665e4d152e97edc995650711d4f6ac418d;hp=85e689c88705928579383d4ad9ff1fd4b5f91ac3;hpb=9e245ead77b8c671988d3a55440676629c01b648;p=lttng-modules.git

diff --git a/ltt-debugfs-abi.h b/ltt-debugfs-abi.h
index 85e689c8..8dc0fde9 100644
--- 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 +16,9 @@
 #define LTTNG_SYM_NAME_LEN	128
 
 enum lttng_kernel_instrumentation {
-	LTTNG_KERNEL_TRACEPOINTS,
-	LTTNG_KERNEL_KPROBES,
-	LTTNG_KERNEL_FUNCTION_TRACER,
+	LTTNG_KERNEL_TRACEPOINT,
+	LTTNG_KERNEL_KPROBE,
+	LTTNG_KERNEL_FUNCTION,
 };
 
 /*
@@ -46,13 +48,13 @@ struct lttng_kernel_function_tracer {
 };
 
 struct lttng_kernel_event {
+	char name[LTTNG_SYM_NAME_LEN];	/* event name */
 	enum lttng_kernel_instrumentation instrumentation;
 	/* Per instrumentation type configuration */
 	union {
 		struct lttng_kernel_kprobe kprobe;
 		struct lttng_kernel_function_tracer ftrace;
 	} u;
-	char name[];	/* event name */
 };
 
 struct lttng_kernel_tracer_version {
@@ -61,19 +63,57 @@ struct lttng_kernel_tracer_version {
 	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)
-#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	\
-	_IOR(0xF6, 0x48, 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_VPID,
+	LTTNG_KERNEL_CONTEXT_TID,
+	LTTNG_KERNEL_CONTEXT_VTID,
+	LTTNG_KERNEL_CONTEXT_PPID,
+	LTTNG_KERNEL_CONTEXT_VPPID,
+};
+
+struct lttng_kernel_perf_counter_ctx {
+	uint32_t type;
+	uint64_t config;
+	char name[LTTNG_SYM_NAME_LEN];
+};
+
+struct lttng_kernel_context {
+	enum lttng_kernel_context_type ctx;
+	union {
+		struct lttng_kernel_perf_counter_ctx perf_counter;
+	} u;
+};
+
+/* LTTng file descriptor ioctl */
+#define LTTNG_KERNEL_SESSION			_IO(0xF6, 0x40)
+#define LTTNG_KERNEL_TRACER_VERSION		\
+	_IOR(0xF6, 0x41, struct lttng_kernel_tracer_version)
+#define LTTNG_KERNEL_TRACEPOINT_LIST		_IO(0xF6, 0x42)
+
+/* Session FD ioctl */
+#define LTTNG_KERNEL_METADATA			\
+	_IOW(0xF6, 0x50, struct lttng_kernel_channel)
+#define LTTNG_KERNEL_CHANNEL			\
+	_IOW(0xF6, 0x51, struct lttng_kernel_channel)
+#define LTTNG_KERNEL_SESSION_START		_IO(0xF6, 0x52)
+#define LTTNG_KERNEL_SESSION_STOP		_IO(0xF6, 0x53)
+
+/* Channel FD ioctl */
+#define LTTNG_KERNEL_STREAM			_IO(0xF6, 0x60)
+#define LTTNG_KERNEL_EVENT			\
+	_IOW(0xF6, 0x61, struct lttng_kernel_event)
+
+/* Event and Channel FD ioctl */
+#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 */