X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=include%2Flttng%2Fevents-internal.h;h=38ae3a7b702450833c583b9b2fdd2c9a9edbb983;hb=b8b4704b8508da42ffcef26770b44642005695e6;hp=30cf4adc8bab62723421c77cdb2c0c872c8de2ec;hpb=a67ba386d82d85c6b6ca56c249a13ab5a1f34b08;p=lttng-modules.git

diff --git a/include/lttng/events-internal.h b/include/lttng/events-internal.h
index 30cf4adc..38ae3a7b 100644
--- a/include/lttng/events-internal.h
+++ b/include/lttng/events-internal.h
@@ -20,7 +20,7 @@ struct lttng_kernel_event_common_private {
 	uint64_t user_token;
 
 	int has_enablers_without_filter_bytecode;
-	/* list of struct lttng_kernel_bytecode_runtime, sorted by seqnum */
+	/* list of struct lttng_bytecode_runtime, sorted by seqnum */
 	struct list_head filter_bytecode_runtime_head;
 	enum lttng_kernel_abi_instrumentation instrumentation;
 	/* Selected by instrumentation */
@@ -64,6 +64,53 @@ struct lttng_kernel_event_notifier_private {
 
 };
 
+enum lttng_kernel_bytecode_interpreter_ret {
+	LTTNG_KERNEL_BYTECODE_INTERPRETER_ERROR = -1,
+	LTTNG_KERNEL_BYTECODE_INTERPRETER_OK = 0,
+};
+
+enum lttng_kernel_bytecode_filter_result {
+	LTTNG_KERNEL_BYTECODE_FILTER_ACCEPT = 0,
+	LTTNG_KERNEL_BYTECODE_FILTER_REJECT = 1,
+};
+
+struct lttng_kernel_bytecode_filter_ctx {
+	enum lttng_kernel_bytecode_filter_result result;
+};
+
+/*
+ * Enabler field, within whatever object is enabling an event. Target of
+ * backward reference.
+ */
+struct lttng_enabler {
+	enum lttng_enabler_format_type format_type;
+
+	/* head list of struct lttng_bytecode_node */
+	struct list_head filter_bytecode_head;
+
+	struct lttng_kernel_abi_event event_param;
+	unsigned int enabled:1;
+
+	uint64_t user_token;		/* User-provided token. */
+};
+
+struct lttng_event_enabler {
+	struct lttng_enabler base;
+	struct list_head node;	/* per-session list of enablers */
+	struct lttng_channel *chan;
+};
+
+struct lttng_event_notifier_enabler {
+	struct lttng_enabler base;
+	uint64_t error_counter_index;
+	struct list_head node;	/* List of event_notifier enablers */
+	struct lttng_event_notifier_group *group;
+
+	/* head list of struct lttng_bytecode_node */
+	struct list_head capture_bytecode_head;
+	uint64_t num_captures;
+};
+
 static inline
 const struct lttng_kernel_type_integer *lttng_kernel_get_type_integer(const struct lttng_kernel_type_common *type)
 {
@@ -138,4 +185,23 @@ static inline bool lttng_kernel_type_is_bytewise_integer(const struct lttng_kern
 	return true;
 }
 
+int lttng_kernel_interpret_event_filter(const struct lttng_kernel_event_common *event,
+		const char *interpreter_stack_data,
+		struct lttng_probe_ctx *probe_ctx,
+		void *event_filter_ctx);
+
+static inline
+struct lttng_enabler *lttng_event_enabler_as_enabler(
+		struct lttng_event_enabler *event_enabler)
+{
+	return &event_enabler->base;
+}
+
+static inline
+struct lttng_enabler *lttng_event_notifier_enabler_as_enabler(
+		struct lttng_event_notifier_enabler *event_notifier_enabler)
+{
+	return &event_notifier_enabler->base;
+}
+
 #endif /* _LTTNG_EVENTS_INTERNAL_H */