X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;ds=sidebyside;f=ltt-debugfs-abi.h;h=ecbd5413825f6fe8d877293ace6320b81d1fd56c;hb=d6d808f3780d0b519aaf966e66df501730db7d13;hp=a232e1318c1a33ffe0d0d007f0b9ab1ae581fef8;hpb=57a13317407af307da09f519799a860f88ae7246;p=lttng-modules.git

diff --git a/ltt-debugfs-abi.h b/ltt-debugfs-abi.h
index a232e131..ecbd5413 100644
--- a/ltt-debugfs-abi.h
+++ b/ltt-debugfs-abi.h
@@ -11,32 +11,63 @@
 
 #include <linux/fs.h>
 
-enum instrum_type {
-	INSTRUM_TRACEPOINTS,
+#define LTTNG_KPROBE_SYM_NAME_LEN	128
+
+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;
+	uint64_t subbuf_size;
+	uint64_t num_subbuf;
 	unsigned int switch_timer_interval;
 	unsigned int read_timer_interval;
 };
 
-struct lttng_event {
-	enum instrum_type itype;
+/*
+ * Either addr is used, or symbol_name and offset.
+ */
+struct lttng_kernel_kprobe {
+	uint64_t addr;
+
+	uint64_t offset;
+	char symbol_name[LTTNG_KPROBE_SYM_NAME_LEN];
+};
+
+struct lttng_kernel_event {
+	enum lttng_kernel_instrumentation instrumentation;
+	/* Per instrumentation type configuration */
+	union {
+		struct lttng_kernel_kprobe kprobe;
+	} u;
 	char 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)
+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)
+#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)
 
 #endif /* _LTT_DEBUGFS_ABI_H */