Split syscall tracepoint generation in their own files

[lttng-modules.git] / include / lttng / events.h

diff --git a/include/lttng/events.h b/include/lttng/events.h
index b36ce08c041c7f237f56fe07da91e45f18207b82..a04d0f2a9de586e522854d263fea35ca38998547 100644 (file)
--- a/include/lttng/events.h
+++ b/include/lttng/events.h
@@ -27,11 +27,7 @@
 
 struct lttng_channel;
 struct lttng_kernel_session;
-struct lttng_metadata_cache;
 struct lttng_kernel_ring_buffer_ctx;
-struct perf_event;
-struct perf_event_attr;
-struct lib_ring_buffer_config;
 
 /* Type description */
 
@@ -146,6 +142,10 @@ struct lttng_kernel_event_field {
                        nofilter:1;     /* do not consider for filter */
 };
 
+#ifndef PARAMS
+#define PARAMS(args...)        args
+#endif
+
 #define lttng_kernel_static_type_integer(_size, _alignment, _signedness, _byte_order, _base)           \
        ((const struct lttng_kernel_type_common *) __LTTNG_COMPOUND_LITERAL(const struct lttng_kernel_type_integer, { \
                .parent = {                                                                             \
@@ -211,15 +211,20 @@ struct lttng_kernel_event_field {
                .encoding = lttng_kernel_string_encoding_##_encoding,                                   \
        }))
 
-#define lttng_kernel_static_type_struct(_nr_fields, _fields, _alignment)                               \
-       ((const struct lttng_kernel_type_common *) __LTTNG_COMPOUND_LITERAL(const struct lttng_kernel_type_struct, { \
+#define lttng_kernel_static_type_struct_init(_nr_fields, _fields, _alignment)                          \
+       {                                                                                               \
                .parent = {                                                                             \
                        .type = lttng_kernel_type_struct,                                               \
                },                                                                                      \
                .nr_fields = (_nr_fields),                                                              \
                .fields = _fields,                                                                      \
                .alignment = (_alignment),                                                              \
-       }))
+       }
+
+#define lttng_kernel_static_type_struct(_nr_fields, _fields, _alignment)                               \
+       ((const struct lttng_kernel_type_common *) __LTTNG_COMPOUND_LITERAL(const struct lttng_kernel_type_struct, \
+               lttng_kernel_static_type_struct_init(_nr_fields, PARAMS(_fields), _alignment)                   \
+       ))
 
 #define lttng_kernel_static_type_variant(_nr_choices, _choices, _tag_name, _alignment)                 \
        ((const struct lttng_kernel_type_common *) __LTTNG_COMPOUND_LITERAL(const struct lttng_kernel_type_variant, { \
@@ -388,22 +393,6 @@ struct lttng_kernel_channel_buffer_ops {
                                       const char __user *src, size_t len);
 };
 
-struct lttng_syscall_filter;
-
-#define LTTNG_EVENT_HT_BITS            12
-#define LTTNG_EVENT_HT_SIZE            (1U << LTTNG_EVENT_HT_BITS)
-
-struct lttng_event_ht {
-       struct hlist_head table[LTTNG_EVENT_HT_SIZE];
-};
-
-#define LTTNG_EVENT_NOTIFIER_HT_BITS           12
-#define LTTNG_EVENT_NOTIFIER_HT_SIZE           (1U << LTTNG_EVENT_NOTIFIER_HT_BITS)
-
-struct lttng_event_notifier_ht {
-       struct hlist_head table[LTTNG_EVENT_NOTIFIER_HT_SIZE];
-};
-
 struct lttng_channel {
        unsigned int id;
        struct channel *chan;           /* Channel buffers */
@@ -445,36 +434,20 @@ struct lttng_dynamic_len_stack {
 DECLARE_PER_CPU(struct lttng_dynamic_len_stack, lttng_dynamic_len_stack);
 
 /*
- * struct lttng_id_tracker declared in header due to deferencing of *v
+ * struct lttng_kernel_id_tracker declared in header due to deferencing of *v
  * in RCU_INITIALIZER(v).
  */
 #define LTTNG_ID_HASH_BITS     6
 #define LTTNG_ID_TABLE_SIZE    (1 << LTTNG_ID_HASH_BITS)
 
-enum tracker_type {
-       TRACKER_PID,
-       TRACKER_VPID,
-       TRACKER_UID,
-       TRACKER_VUID,
-       TRACKER_GID,
-       TRACKER_VGID,
-
-       TRACKER_UNKNOWN,
-};
-
-struct lttng_id_tracker_rcu {
+struct lttng_kernel_id_tracker_rcu {
        struct hlist_head id_hash[LTTNG_ID_TABLE_SIZE];
 };
 
-struct lttng_id_tracker {
-       struct lttng_kernel_session *session;
-       enum tracker_type tracker_type;
-       struct lttng_id_tracker_rcu *p; /* RCU dereferenced. */
-};
+struct lttng_kernel_id_tracker {
+       struct lttng_kernel_id_tracker_private *priv;   /* Private API */
 
-struct lttng_id_hash_node {
-       struct hlist_node hlist;
-       int id;
+       struct lttng_kernel_id_tracker_rcu *p;  /* RCU dereferenced. */
 };
 
 struct lttng_kernel_session_private;
@@ -484,17 +457,17 @@ struct lttng_kernel_session {
 
        int active;                     /* Is trace session active ? */
 
-       struct lttng_id_tracker pid_tracker;
-       struct lttng_id_tracker vpid_tracker;
-       struct lttng_id_tracker uid_tracker;
-       struct lttng_id_tracker vuid_tracker;
-       struct lttng_id_tracker gid_tracker;
-       struct lttng_id_tracker vgid_tracker;
+       struct lttng_kernel_id_tracker pid_tracker;
+       struct lttng_kernel_id_tracker vpid_tracker;
+       struct lttng_kernel_id_tracker uid_tracker;
+       struct lttng_kernel_id_tracker vuid_tracker;
+       struct lttng_kernel_id_tracker gid_tracker;
+       struct lttng_kernel_id_tracker vgid_tracker;
 };
 
 int lttng_kernel_probe_register(struct lttng_kernel_probe_desc *desc);
 void lttng_kernel_probe_unregister(struct lttng_kernel_probe_desc *desc);
 
-bool lttng_id_tracker_lookup(struct lttng_id_tracker_rcu *p, int id);
+bool lttng_id_tracker_lookup(struct lttng_kernel_id_tracker_rcu *p, int id);
 
 #endif /* _LTTNG_EVENTS_H */