Add CTF enum type support to tracepoint event

[deliverable/lttng-ust.git] / include / lttng / ust-ctl.h

diff --git a/include/lttng/ust-ctl.h b/include/lttng/ust-ctl.h
index 78e0cf727feb1a91c150c2a5b308bd8d3750c710..7a5f969eecd4ebd0fe50a0715e5d5e273dbbcbaf 100644 (file)
--- a/include/lttng/ust-ctl.h
+++ b/include/lttng/ust-ctl.h
@@ -255,6 +255,7 @@ enum ustctl_socket_type {
 enum ustctl_notify_cmd {
        USTCTL_NOTIFY_CMD_EVENT = 0,
        USTCTL_NOTIFY_CMD_CHANNEL = 1,
+       USTCTL_NOTIFY_CMD_ENUM = 2,
 };
 
 enum ustctl_channel_header {
@@ -302,9 +303,21 @@ struct ustctl_float_type {
        char padding[USTCTL_UST_FLOAT_TYPE_PADDING];
 } LTTNG_PACKED;
 
+#define USTCTL_UST_ENUM_ENTRY_PADDING  32
+struct ustctl_enum_entry {
+       uint64_t start, end;            /* start and end are inclusive */
+       char string[LTTNG_UST_SYM_NAME_LEN];
+       char padding[USTCTL_UST_ENUM_ENTRY_PADDING];
+};
+
 #define USTCTL_UST_BASIC_TYPE_PADDING  296
 union _ustctl_basic_type {
        struct ustctl_integer_type integer;
+       struct {
+               char name[LTTNG_UST_SYM_NAME_LEN];
+               struct ustctl_integer_type container_type;
+               uint64_t id;    /* enum ID in sessiond. */
+       } enumeration;
        struct {
                enum ustctl_string_encodings encoding;
        } string;
@@ -403,6 +416,22 @@ int ustctl_reply_register_event(int sock,
        uint32_t id,                    /* event id (input) */
        int ret_code);                  /* return code. 0 ok, negative error */
 
+/*
+ * Returns 0 on success, negative UST or system error value on error.
+ */
+int ustctl_recv_register_enum(int sock,
+       int *session_objd,
+       char *enum_name,
+       struct ustctl_enum_entry **entries,
+       size_t *nr_entries);
+
+/*
+ * Returns 0 on success, negative error value on error.
+ */
+int ustctl_reply_register_enum(int sock,
+       uint64_t id,                    /* enum id (input) */
+       int ret_code);
+
 /*
  * Returns 0 on success, negative UST or system error value on error.
  */