SoW-2019-0002: Dynamic Snapshot

[lttng-tools.git] / src / bin / lttng-sessiond / ust-abi-internal.h

diff --git a/src/bin/lttng-sessiond/ust-abi-internal.h b/src/bin/lttng-sessiond/ust-abi-internal.h
index 8944d05935c59aa4250272fe11a4c1681138b7cc..ea33cd17651533fd57296dd9349b480a4f1252ba 100644 (file)
--- a/src/bin/lttng-sessiond/ust-abi-internal.h
+++ b/src/bin/lttng-sessiond/ust-abi-internal.h
@@ -1,27 +1,12 @@
 /*
- * Copied from LTTng-UST lttng/ust-abi.h
- *
- * LTTng-UST ABI header
+ * Copyright 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
- * Copyright 2010-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * SPDX-License-Identifier: MIT
  *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
+ * Copied from LTTng-UST lttng/ust-abi.h
  *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
+ * LTTng-UST ABI header
  *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
  */
 
 #ifndef LTTNG_UST_ABI_INTERNAL_H
@@ -47,7 +32,7 @@
 
 /* Version for ABI between liblttng-ust, sessiond, consumerd */
 #define LTTNG_UST_ABI_MAJOR_VERSION            8
-#define LTTNG_UST_ABI_MINOR_VERSION            0
+#define LTTNG_UST_ABI_MINOR_VERSION            1
 
 enum lttng_ust_instrumentation {
        LTTNG_UST_TRACEPOINT            = 0,
@@ -102,6 +87,29 @@ struct lttng_ust_stream {
         */
 } LTTNG_PACKED;
 
+#define LTTNG_UST_TRIGGER_PADDING1     16
+#define LTTNG_UST_TRIGGER_PADDING2     (LTTNG_UST_SYM_NAME_LEN + 32)
+struct lttng_ust_trigger {
+       uint64_t id;
+       enum lttng_ust_instrumentation instrumentation;
+       char name[LTTNG_UST_SYM_NAME_LEN];      /* event name */
+
+       enum lttng_ust_loglevel_type loglevel_type;
+       int loglevel;   /* value, -1: all */
+       char padding[LTTNG_UST_TRIGGER_PADDING1];
+
+       /* Per instrumentation type configuration */
+       union {
+               char padding[LTTNG_UST_TRIGGER_PADDING2];
+       } u;
+} LTTNG_PACKED;
+
+#define LTTNG_TRIGGER_NOTIFICATION_PADDING 32
+struct lttng_ust_trigger_notification {
+       uint64_t id;
+       char padding[LTTNG_TRIGGER_NOTIFICATION_PADDING];
+} LTTNG_PACKED;
+
 #define LTTNG_UST_EVENT_PADDING1       16
 #define LTTNG_UST_EVENT_PADDING2       (LTTNG_UST_SYM_NAME_LEN + 32)
 struct lttng_ust_event {
@@ -320,6 +328,9 @@ struct lttng_ust_event_exclusion {
 #define LTTNG_UST_FILTER                       _UST_CMD(0xA0)
 #define LTTNG_UST_EXCLUSION                    _UST_CMD(0xA1)
 
+#define LTTNG_UST_TRIGGER_SEND_FD              _UST_CMD(0xB0)
+#define LTTNG_UST_TRIGGER_CREATE               _UST_CMDW(0xB1, struct lttng_ust_trigger)
+
 #define LTTNG_UST_ROOT_HANDLE  0
 
 struct lttng_ust_obj;