/*
- * 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_KERNEL_ABI_MAJOR_VERSION 2
+#define LTTNG_KERNEL_ABI_MINOR_VERSION 6
/* Get a snapshot of the current ring buffer producer and consumer positions */
-#define RING_BUFFER_SNAPSHOT _IO(0xF6, 0x00)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_SNAPSHOT _IO(0xF6, 0x00)
/* Get the consumer position (iteration start) */
-#define RING_BUFFER_SNAPSHOT_GET_CONSUMED _IOR(0xF6, 0x01, unsigned long)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_SNAPSHOT_GET_CONSUMED _IOR(0xF6, 0x01, unsigned long)
/* Get the producer position (iteration end) */
-#define RING_BUFFER_SNAPSHOT_GET_PRODUCED _IOR(0xF6, 0x02, unsigned long)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_SNAPSHOT_GET_PRODUCED _IOR(0xF6, 0x02, unsigned long)
/* Get exclusive read access to the specified sub-buffer position */
-#define RING_BUFFER_GET_SUBBUF _IOW(0xF6, 0x03, unsigned long)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_SUBBUF _IOW(0xF6, 0x03, unsigned long)
/* Release exclusive sub-buffer access */
-#define RING_BUFFER_PUT_SUBBUF _IO(0xF6, 0x04)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_PUT_SUBBUF _IO(0xF6, 0x04)
/* Get exclusive read access to the next sub-buffer that can be read. */
-#define RING_BUFFER_GET_NEXT_SUBBUF _IO(0xF6, 0x05)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_NEXT_SUBBUF _IO(0xF6, 0x05)
/* Release exclusive sub-buffer access, move consumer forward. */
-#define RING_BUFFER_PUT_NEXT_SUBBUF _IO(0xF6, 0x06)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_PUT_NEXT_SUBBUF _IO(0xF6, 0x06)
/* returns the size of the current sub-buffer, without padding (for mmap). */
-#define RING_BUFFER_GET_SUBBUF_SIZE _IOR(0xF6, 0x07, unsigned long)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_SUBBUF_SIZE _IOR(0xF6, 0x07, unsigned long)
/* returns the size of the current sub-buffer, with padding (for splice). */
-#define RING_BUFFER_GET_PADDED_SUBBUF_SIZE _IOR(0xF6, 0x08, unsigned long)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_PADDED_SUBBUF_SIZE _IOR(0xF6, 0x08, unsigned long)
/* returns the maximum size for sub-buffers. */
-#define RING_BUFFER_GET_MAX_SUBBUF_SIZE _IOR(0xF6, 0x09, unsigned long)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_MAX_SUBBUF_SIZE _IOR(0xF6, 0x09, unsigned long)
/* returns the length to mmap. */
-#define RING_BUFFER_GET_MMAP_LEN _IOR(0xF6, 0x0A, unsigned long)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_MMAP_LEN _IOR(0xF6, 0x0A, unsigned long)
/* returns the offset of the subbuffer belonging to the mmap reader. */
-#define RING_BUFFER_GET_MMAP_READ_OFFSET _IOR(0xF6, 0x0B, unsigned long)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_MMAP_READ_OFFSET _IOR(0xF6, 0x0B, unsigned long)
/* Flush the current sub-buffer, if non-empty. */
-#define RING_BUFFER_FLUSH _IO(0xF6, 0x0C)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_FLUSH _IO(0xF6, 0x0C)
/* Get the current version of the metadata cache (after a get_next). */
-#define RING_BUFFER_GET_METADATA_VERSION _IOR(0xF6, 0x0D, uint64_t)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_METADATA_VERSION _IOR(0xF6, 0x0D, uint64_t)
/*
* Get a snapshot of the current ring buffer producer and consumer positions,
* regardless of whether or not the two positions are contained within the same
* sub-buffer.
*/
-#define RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS _IO(0xF6, 0x0E)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS _IO(0xF6, 0x0E)
/* Flush the current sub-buffer, even if empty. */
-#define RING_BUFFER_FLUSH_EMPTY _IO(0xF6, 0x0F)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_FLUSH_EMPTY _IO(0xF6, 0x0F)
/*
* 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 LTTNG_KERNEL_ABI_RING_BUFFER_METADATA_CACHE_DUMP _IO(0xF6, 0x10)
+/* Clear ring buffer content */
+#define LTTNG_KERNEL_ABI_RING_BUFFER_CLEAR _IO(0xF6, 0x11)
+#define LTTNG_KERNEL_ABI_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)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_BEGIN _IOR(0xF6, 0x20, uint64_t)
/* returns the timestamp end of the current sub-buffer */
-#define LTTNG_RING_BUFFER_GET_TIMESTAMP_END _IOR(0xF6, 0x21, uint64_t)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_END _IOR(0xF6, 0x21, uint64_t)
/* returns the number of events discarded */
-#define LTTNG_RING_BUFFER_GET_EVENTS_DISCARDED _IOR(0xF6, 0x22, uint64_t)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_EVENTS_DISCARDED _IOR(0xF6, 0x22, uint64_t)
/* returns the packet payload size */
-#define LTTNG_RING_BUFFER_GET_CONTENT_SIZE _IOR(0xF6, 0x23, uint64_t)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_CONTENT_SIZE _IOR(0xF6, 0x23, uint64_t)
/* returns the actual packet size */
-#define LTTNG_RING_BUFFER_GET_PACKET_SIZE _IOR(0xF6, 0x24, uint64_t)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_PACKET_SIZE _IOR(0xF6, 0x24, uint64_t)
/* returns the stream id */
-#define LTTNG_RING_BUFFER_GET_STREAM_ID _IOR(0xF6, 0x25, uint64_t)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_STREAM_ID _IOR(0xF6, 0x25, uint64_t)
/* returns the current timestamp */
-#define LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP _IOR(0xF6, 0x26, uint64_t)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_CURRENT_TIMESTAMP _IOR(0xF6, 0x26, uint64_t)
/* returns the packet sequence number */
-#define LTTNG_RING_BUFFER_GET_SEQ_NUM _IOR(0xF6, 0x27, uint64_t)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_GET_SEQ_NUM _IOR(0xF6, 0x27, uint64_t)
/* returns the stream instance id */
-#define LTTNG_RING_BUFFER_INSTANCE_ID _IOR(0xF6, 0x28, uint64_t)
+#define LTTNG_KERNEL_ABI_RING_BUFFER_INSTANCE_ID _IOR(0xF6, 0x28, uint64_t)
/* Old ABI (without support for 32/64 bits compat) */
/* LTTng file descriptor ioctl */
-#define LTTNG_KERNEL_OLD_SESSION _IO(0xF6, 0x40)
-#define LTTNG_KERNEL_OLD_TRACER_VERSION \
- _IOR(0xF6, 0x41, struct lttng_kernel_old_tracer_version)
-#define LTTNG_KERNEL_OLD_TRACEPOINT_LIST _IO(0xF6, 0x42)
-#define LTTNG_KERNEL_OLD_WAIT_QUIESCENT _IO(0xF6, 0x43)
+#define LTTNG_KERNEL_ABI_OLD_SESSION _IO(0xF6, 0x40)
+#define LTTNG_KERNEL_ABI_OLD_TRACER_VERSION \
+ _IOR(0xF6, 0x41, struct lttng_kernel_abi_old_tracer_version)
+#define LTTNG_KERNEL_ABI_OLD_TRACEPOINT_LIST _IO(0xF6, 0x42)
+#define LTTNG_KERNEL_ABI_OLD_WAIT_QUIESCENT _IO(0xF6, 0x43)
/* Session FD ioctl */
-#define LTTNG_KERNEL_OLD_METADATA \
- _IOW(0xF6, 0x50, struct lttng_kernel_old_channel)
-#define LTTNG_KERNEL_OLD_CHANNEL \
- _IOW(0xF6, 0x51, struct lttng_kernel_old_channel)
-#define LTTNG_KERNEL_OLD_SESSION_START _IO(0xF6, 0x52)
-#define LTTNG_KERNEL_OLD_SESSION_STOP _IO(0xF6, 0x53)
+#define LTTNG_KERNEL_ABI_OLD_METADATA \
+ _IOW(0xF6, 0x50, struct lttng_kernel_abi_old_channel)
+#define LTTNG_KERNEL_ABI_OLD_CHANNEL \
+ _IOW(0xF6, 0x51, struct lttng_kernel_abi_old_channel)
+#define LTTNG_KERNEL_ABI_OLD_SESSION_START _IO(0xF6, 0x52)
+#define LTTNG_KERNEL_ABI_OLD_SESSION_STOP _IO(0xF6, 0x53)
/* Channel FD ioctl */
-#define LTTNG_KERNEL_OLD_STREAM _IO(0xF6, 0x60)
-#define LTTNG_KERNEL_OLD_EVENT \
- _IOW(0xF6, 0x61, struct lttng_kernel_old_event)
+#define LTTNG_KERNEL_ABI_OLD_STREAM _IO(0xF6, 0x60)
+#define LTTNG_KERNEL_ABI_OLD_EVENT \
+ _IOW(0xF6, 0x61, struct lttng_kernel_abi_old_event)
/* Event and Channel FD ioctl */
-#define LTTNG_KERNEL_OLD_CONTEXT \
- _IOW(0xF6, 0x70, struct lttng_kernel_old_context)
+#define LTTNG_KERNEL_ABI_OLD_CONTEXT \
+ _IOW(0xF6, 0x70, struct lttng_kernel_abi_old_context)
/* Event, Channel and Session ioctl */
-#define LTTNG_KERNEL_OLD_ENABLE _IO(0xF6, 0x80)
-#define LTTNG_KERNEL_OLD_DISABLE _IO(0xF6, 0x81)
+#define LTTNG_KERNEL_ABI_OLD_ENABLE _IO(0xF6, 0x80)
+#define LTTNG_KERNEL_ABI_OLD_DISABLE _IO(0xF6, 0x81)
/* Current ABI (with suport for 32/64 bits compat) */
/* LTTng file descriptor ioctl */
-#define LTTNG_KERNEL_SESSION _IO(0xF6, 0x45)
-#define LTTNG_KERNEL_TRACER_VERSION \
- _IOR(0xF6, 0x46, struct lttng_kernel_tracer_version)
-#define LTTNG_KERNEL_TRACEPOINT_LIST _IO(0xF6, 0x47)
-#define LTTNG_KERNEL_WAIT_QUIESCENT _IO(0xF6, 0x48)
-#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_ABI_SESSION _IO(0xF6, 0x45)
+#define LTTNG_KERNEL_ABI_TRACER_VERSION \
+ _IOR(0xF6, 0x46, struct lttng_kernel_abi_tracer_version)
+#define LTTNG_KERNEL_ABI_TRACEPOINT_LIST _IO(0xF6, 0x47)
+#define LTTNG_KERNEL_ABI_WAIT_QUIESCENT _IO(0xF6, 0x48)
+#define LTTNG_KERNEL_ABI_SYSCALL_LIST _IO(0xF6, 0x4A)
+#define LTTNG_KERNEL_ABI_TRACER_ABI_VERSION \
+ _IOR(0xF6, 0x4B, struct lttng_kernel_abi_tracer_abi_version)
+#define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_GROUP_CREATE \
+ _IO(0xF6, 0x4C)
/* Session FD ioctl */
-#define LTTNG_KERNEL_METADATA \
- _IOW(0xF6, 0x54, struct lttng_kernel_channel)
-#define LTTNG_KERNEL_CHANNEL \
- _IOW(0xF6, 0x55, struct lttng_kernel_channel)
-#define LTTNG_KERNEL_SESSION_START _IO(0xF6, 0x56)
-#define LTTNG_KERNEL_SESSION_STOP _IO(0xF6, 0x57)
-#define LTTNG_KERNEL_SESSION_TRACK_PID \
- _IOR(0xF6, 0x58, int32_t)
-#define LTTNG_KERNEL_SESSION_UNTRACK_PID \
- _IOR(0xF6, 0x59, int32_t)
+#define LTTNG_KERNEL_ABI_METADATA \
+ _IOW(0xF6, 0x54, struct lttng_kernel_abi_channel)
+#define LTTNG_KERNEL_ABI_CHANNEL \
+ _IOW(0xF6, 0x55, struct lttng_kernel_abi_channel)
+#define LTTNG_KERNEL_ABI_SESSION_START _IO(0xF6, 0x56)
+#define LTTNG_KERNEL_ABI_SESSION_STOP _IO(0xF6, 0x57)
+#define LTTNG_KERNEL_ABI_SESSION_TRACK_PID \
+ _IOW(0xF6, 0x58, int32_t)
+#define LTTNG_KERNEL_ABI_SESSION_UNTRACK_PID \
+ _IOW(0xF6, 0x59, int32_t)
/*
* ioctl 0x58 and 0x59 are duplicated here. It works, since _IOR vs _IO
* are generating two different ioctl numbers, but this was not done on
* purpose. We should generally try to avoid those duplications.
*/
-#define LTTNG_KERNEL_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58)
-#define LTTNG_KERNEL_SESSION_METADATA_REGEN _IO(0xF6, 0x59)
+#define LTTNG_KERNEL_ABI_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58)
+#define LTTNG_KERNEL_ABI_SESSION_METADATA_REGEN _IO(0xF6, 0x59)
/* 0x5A and 0x5B are reserved for a future ABI-breaking cleanup. */
-#define LTTNG_KERNEL_SESSION_STATEDUMP _IO(0xF6, 0x5C)
-#define LTTNG_KERNEL_SESSION_SET_NAME \
- _IOR(0xF6, 0x5D, struct lttng_kernel_session_name)
+#define LTTNG_KERNEL_ABI_SESSION_STATEDUMP _IO(0xF6, 0x5C)
+#define LTTNG_KERNEL_ABI_SESSION_SET_NAME \
+ _IOW(0xF6, 0x5D, struct lttng_kernel_abi_session_name)
+#define LTTNG_KERNEL_ABI_SESSION_SET_CREATION_TIME \
+ _IOW(0xF6, 0x5E, struct lttng_kernel_abi_session_creation_time)
/* Channel FD ioctl */
-#define LTTNG_KERNEL_STREAM _IO(0xF6, 0x62)
-#define LTTNG_KERNEL_EVENT \
- _IOW(0xF6, 0x63, struct lttng_kernel_event)
-#define LTTNG_KERNEL_SYSCALL_MASK \
- _IOWR(0xF6, 0x64, struct lttng_kernel_syscall_mask)
+#define LTTNG_KERNEL_ABI_STREAM _IO(0xF6, 0x62)
+#define LTTNG_KERNEL_ABI_EVENT \
+ _IOW(0xF6, 0x63, struct lttng_kernel_abi_event)
+#define LTTNG_KERNEL_ABI_SYSCALL_MASK \
+ _IOWR(0xF6, 0x64, struct lttng_kernel_abi_syscall_mask)
/* Event and Channel FD ioctl */
-#define LTTNG_KERNEL_CONTEXT \
- _IOW(0xF6, 0x71, struct lttng_kernel_context)
-
-/* Event, Channel and Session ioctl */
-#define LTTNG_KERNEL_ENABLE _IO(0xF6, 0x82)
-#define LTTNG_KERNEL_DISABLE _IO(0xF6, 0x83)
+#define LTTNG_KERNEL_ABI_CONTEXT \
+ _IOW(0xF6, 0x71, struct lttng_kernel_abi_context)
+
+/* Event, event notifier, Channel and Session ioctl */
+#define LTTNG_KERNEL_ABI_ENABLE _IO(0xF6, 0x82)
+#define LTTNG_KERNEL_ABI_DISABLE _IO(0xF6, 0x83)
+
+/* Event notifier group ioctl */
+#define LTTNG_KERNEL_ABI_COUNTER \
+ _IOW(0xF6, 0x84, struct lttng_kernel_abi_counter_conf)
+
+/* Event and event notifier FD ioctl */
+#define LTTNG_KERNEL_ABI_FILTER _IO(0xF6, 0x90)
+#define LTTNG_KERNEL_ABI_ADD_CALLSITE _IO(0xF6, 0x91)
+
+/* Session FD ioctl (continued) */
+#define LTTNG_KERNEL_ABI_SESSION_LIST_TRACKER_IDS \
+ _IOW(0xF6, 0xA0, struct lttng_kernel_abi_tracker_args)
+#define LTTNG_KERNEL_ABI_SESSION_TRACK_ID \
+ _IOW(0xF6, 0xA1, struct lttng_kernel_abi_tracker_args)
+#define LTTNG_KERNEL_ABI_SESSION_UNTRACK_ID \
+ _IOW(0xF6, 0xA2, struct lttng_kernel_abi_tracker_args)
+
+/* Event notifier group file descriptor ioctl */
+#define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_CREATE \
+ _IOW(0xF6, 0xB0, struct lttng_kernel_abi_event_notifier)
+#define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_GROUP_NOTIFICATION_FD \
+ _IO(0xF6, 0xB1)
+
+/* Event notifier file descriptor ioctl */
+#define LTTNG_KERNEL_ABI_CAPTURE _IO(0xF6, 0xB8)
+
+/* Counter file descriptor ioctl */
+#define LTTNG_KERNEL_ABI_COUNTER_READ \
+ IOWR(0xF6, 0xC0, struct lttng_kernel_abi_counter_read)
+#define LTTNG_KERNEL_ABI_COUNTER_AGGREGATE \
+ _IOWR(0xF6, 0xC1, struct lttng_kernel_abi_counter_aggregate)
+#define LTTNG_KERNEL_ABI_COUNTER_CLEAR \
+ _IOW(0xF6, 0xC2, struct lttng_kernel_abi_counter_clear)
-/* Event FD ioctl */
-#define LTTNG_KERNEL_FILTER _IO(0xF6, 0x90)
-#define LTTNG_KERNEL_ADD_CALLSITE _IO(0xF6, 0x91)
+/*
+ * Those ioctl numbers use the wrong direction, but are kept for ABI backward
+ * compatibility.
+ */
+ #define LTTNG_KERNEL_ABI_OLD_SESSION_SET_NAME \
+ _IOR(0xF6, 0x5D, struct lttng_kernel_abi_session_name)
+ #define LTTNG_KERNEL_ABI_OLD_SESSION_SET_CREATION_TIME \
+ _IOR(0xF6, 0x5E, struct lttng_kernel_abi_session_creation_time)
+ #define LTTNG_KERNEL_ABI_OLD_SESSION_TRACK_PID \
+ _IOW(0xF6, 0x58, int32_t)
+ #define LTTNG_KERNEL_ABI_OLD_SESSION_UNTRACK_PID \
+ _IOW(0xF6, 0x59, int32_t)
+ #define LTTNG_KERNEL_ABI_OLD_SESSION_LIST_TRACKER_IDS \
+ _IOR(0xF6, 0xA0, struct lttng_kernel_abi_tracker_args)
+ #define LTTNG_KERNEL_ABI_OLD_SESSION_TRACK_ID \
+ _IOR(0xF6, 0xA1, struct lttng_kernel_abi_tracker_args)
+ #define LTTNG_KERNEL_ABI_OLD_SESSION_UNTRACK_ID \
+ _IOR(0xF6, 0xA2, struct lttng_kernel_abi_tracker_args)
#endif /* _LTT_KERNEL_IOCTL_H */
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