kernel: event notifier: kernel-ctl interface

[lttng-tools.git] / src / common / kernel-ctl / kernel-ioctl.h

diff --git a/src/common/kernel-ctl/kernel-ioctl.h b/src/common/kernel-ctl/kernel-ioctl.h
index f38f5dd671d3577c1de8d18d8a138c17fa07e04a..8fa0a7d100c480ad8416ce06395d1fee2146fe73 100644 (file)
--- a/src/common/kernel-ctl/kernel-ioctl.h
+++ b/src/common/kernel-ctl/kernel-ioctl.h
@@ -1,26 +1,16 @@
 /*
- * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
- *                      Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2011 Julien Desfossez <julien.desfossez@polymtl.ca>
+ * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
  *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #ifndef _LTT_KERNEL_IOCTL_H
 #define _LTT_KERNEL_IOCTL_H
 
 #define LTTNG_MODULES_ABI_MAJOR_VERSION                2
-#define LTTNG_MODULES_ABI_MINOR_VERSION                3
+#define LTTNG_MODULES_ABI_MINOR_VERSION                5
 
 /* Get a snapshot of the current ring buffer producer and consumer positions */
 #define RING_BUFFER_SNAPSHOT                _IO(0xF6, 0x00)
@@ -63,9 +53,10 @@
  * Reset the position of what has been consumed from the metadata cache to 0
  * so it can be read again.
  */
-#define RING_BUFFER_METADATA_CACHE_DUMP        _IO(0xF6, 0x10)
+#define RING_BUFFER_METADATA_CACHE_DUMP                _IO(0xF6, 0x10)
 /* Clear ring buffer content */
-#define RING_BUFFER_CLEAR                       _IO(0xF6, 0x11)
+#define RING_BUFFER_CLEAR                               _IO(0xF6, 0x11)
+#define RING_RING_BUFFER_GET_NEXT_SUBBUF_METADATA_CHECK _IOR(0xF6, 0x12, uint32_t)
 
 /* returns the timestamp begin of the current sub-buffer */
 #define LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN     _IOR(0xF6, 0x20, uint64_t)
@@ -126,6 +117,8 @@
 #define LTTNG_KERNEL_SYSCALL_LIST              _IO(0xF6, 0x4A)
 #define LTTNG_KERNEL_TRACER_ABI_VERSION                \
        _IOR(0xF6, 0x4B, struct lttng_kernel_tracer_abi_version)
+#define LTTNG_KERNEL_EVENT_NOTIFIER_GROUP_CREATE \
+       _IO(0xF6, 0x4C)
 
 /* Session FD ioctl */
 #define LTTNG_KERNEL_METADATA                  \
@@ -163,12 +156,26 @@
 #define LTTNG_KERNEL_CONTEXT                   \
        _IOW(0xF6, 0x71, struct lttng_kernel_context)
 
-/* Event, Channel and Session ioctl */
+/* Event, event notifier, Channel and Session ioctl */
 #define LTTNG_KERNEL_ENABLE                    _IO(0xF6, 0x82)
 #define LTTNG_KERNEL_DISABLE                   _IO(0xF6, 0x83)
 
-/* Event FD ioctl */
+/* Event and event notifier FD ioctl */
 #define LTTNG_KERNEL_FILTER                    _IO(0xF6, 0x90)
 #define LTTNG_KERNEL_ADD_CALLSITE      _IO(0xF6, 0x91)
 
+/* Session FD ioctl (continued) */
+#define LTTNG_KERNEL_SESSION_LIST_TRACKER_IDS  \
+       _IOR(0xF6, 0xA0, struct lttng_kernel_tracker_args)
+#define LTTNG_KERNEL_SESSION_TRACK_ID          \
+       _IOR(0xF6, 0xA1, struct lttng_kernel_tracker_args)
+#define LTTNG_KERNEL_SESSION_UNTRACK_ID                \
+       _IOR(0xF6, 0xA2, struct lttng_kernel_tracker_args)
+
+/* Event notifier group file descriptor ioctl */
+#define LTTNG_KERNEL_EVENT_NOTIFIER_CREATE                     \
+       _IOW(0xF6, 0xB0, struct lttng_kernel_event_notifier)
+#define LTTNG_KERNEL_EVENT_NOTIFIER_GROUP_NOTIFICATION_FD      \
+       _IO(0xF6, 0xB1)
+
 #endif /* _LTT_KERNEL_IOCTL_H */