Add tracepoint listing ABI

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

diff --git a/ltt-events.h b/ltt-events.h
index d07f1c879d2d44e4a1fa76cf6da372e723d7b527..4179fb7c6720e7107f78d2d492f393d8fbc00227 100644 (file)
--- a/ltt-events.h
+++ b/ltt-events.h
@@ -45,17 +45,17 @@ struct lttng_enum_entry {
        const char *string;
 };
 
-#define __type_integer(_type, _byte_order, _base)              \
+#define __type_integer(_type, _byte_order, _base, _encoding)   \
        {                                                       \
            .atype = atype_integer,                             \
            .u.basic.integer =                                  \
                {                                               \
-                 .size = sizeof(_type),                        \
+                 .size = sizeof(_type) * CHAR_BIT,             \
                  .alignment = ltt_alignof(_type) * CHAR_BIT,   \
                  .signedness = is_signed_type(_type),          \
                  .reverse_byte_order = _byte_order != __BYTE_ORDER,    \
                  .base = _base,                                \
-                 .encoding = lttng_encode_none,                \
+                 .encoding = lttng_encode_##_encoding,         \
                },                                              \
        }                                                       \
 
@@ -139,6 +139,7 @@ struct lttng_event_desc {
        const struct lttng_event_ctx *ctx;      /* context */
        const struct lttng_event_field *fields; /* event payload */
        unsigned int nr_fields;
+       struct module *owner;
 };
 
 struct lttng_probe_desc {
@@ -180,7 +181,8 @@ struct ltt_channel_ops {
        void (*channel_destroy)(struct channel *chan);
        struct lib_ring_buffer *(*buffer_read_open)(struct channel *chan);
        void (*buffer_read_close)(struct lib_ring_buffer *buf);
-       int (*event_reserve)(struct lib_ring_buffer_ctx *ctx);
+       int (*event_reserve)(struct lib_ring_buffer_ctx *ctx,
+                            uint32_t event_id);
        void (*event_commit)(struct lib_ring_buffer_ctx *ctx);
        void (*event_write)(struct lib_ring_buffer_ctx *ctx, const void *src,
                            size_t len);
@@ -244,7 +246,6 @@ struct ltt_channel *ltt_global_channel_create(struct ltt_session *session,
                                       unsigned int read_timer_interval);
 
 struct ltt_event *ltt_event_create(struct ltt_channel *chan,
-                                  char *name,
                                   struct lttng_kernel_event *event_param,
                                   void *filter);
 
@@ -304,4 +305,7 @@ void lttng_ftrace_unregister(struct ltt_event *event)
 {
 }
 #endif
+
+extern const struct file_operations lttng_tracepoint_list_fops;
+
 #endif /* _LTT_EVENTS_H */