Implement syscall mask ioctl
[lttng-tools.git] / src / common / kernel-ctl / kernel-ctl.h
1 /*
2 * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
3 * Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License, version 2 only,
7 * as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17 */
18
19 #ifndef _LTTNG_KERNEL_CTL_H
20 #define _LTTNG_KERNEL_CTL_H
21
22 #include <lttng/lttng.h>
23 #include <common/lttng-kernel.h>
24 #include <common/lttng-kernel-old.h>
25
26 int kernctl_create_session(int fd);
27 int kernctl_open_metadata(int fd, struct lttng_channel_attr *chops);
28 int kernctl_create_channel(int fd, struct lttng_channel_attr *chops);
29 int kernctl_create_stream(int fd);
30 int kernctl_create_event(int fd, struct lttng_kernel_event *ev);
31 int kernctl_add_context(int fd, struct lttng_kernel_context *ctx);
32
33 int kernctl_enable(int fd);
34 int kernctl_disable(int fd);
35 int kernctl_start_session(int fd);
36 int kernctl_stop_session(int fd);
37
38 int kernctl_tracepoint_list(int fd);
39 int kernctl_syscall_list(int fd);
40 int kernctl_tracer_version(int fd, struct lttng_kernel_tracer_version *v);
41 int kernctl_wait_quiescent(int fd);
42 int kernctl_calibrate(int fd, struct lttng_kernel_calibrate *calibrate);
43
44 int kernctl_enable_syscall(int fd, const char *syscall_name);
45 int kernctl_disable_syscall(int fd, const char *syscall_name);
46
47 /* Buffer operations */
48
49 /* For mmap mode, readable without "get" operation */
50 int kernctl_get_mmap_len(int fd, unsigned long *len);
51 int kernctl_get_max_subbuf_size(int fd, unsigned long *len);
52
53 /*
54 * For mmap mode, operate on the current packet (between get/put or
55 * get_next/put_next).
56 */
57 int kernctl_get_mmap_read_offset(int fd, unsigned long *len);
58 int kernctl_get_subbuf_size(int fd, unsigned long *len);
59 int kernctl_get_padded_subbuf_size(int fd, unsigned long *len);
60
61 int kernctl_get_next_subbuf(int fd);
62 int kernctl_put_next_subbuf(int fd);
63
64 /* snapshot */
65 int kernctl_snapshot(int fd);
66 int kernctl_snapshot_get_consumed(int fd, unsigned long *pos);
67 int kernctl_snapshot_get_produced(int fd, unsigned long *pos);
68 int kernctl_get_subbuf(int fd, unsigned long *pos);
69 int kernctl_put_subbuf(int fd);
70
71 int kernctl_buffer_flush(int fd);
72
73 /* index */
74 int kernctl_get_timestamp_begin(int fd, uint64_t *timestamp_begin);
75 int kernctl_get_timestamp_end(int fd, uint64_t *timestamp_end);
76 int kernctl_get_events_discarded(int fd, uint64_t *events_discarded);
77 int kernctl_get_content_size(int fd, uint64_t *content_size);
78 int kernctl_get_packet_size(int fd, uint64_t *packet_size);
79 int kernctl_get_stream_id(int fd, uint64_t *stream_id);
80 int kernctl_get_current_timestamp(int fd, uint64_t *ts);
81
82 #endif /* _LTTNG_KERNEL_CTL_H */
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