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16421f6e DG |
1 | /* |
2 | * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca> | |
3 | * Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
4 | * | |
d14d33bf AM |
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. | |
16421f6e DG |
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 | * | |
d14d33bf AM |
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. | |
16421f6e DG |
17 | */ |
18 | ||
19 | #ifndef _LTT_KERNEL_IOCTL_H | |
20 | #define _LTT_KERNEL_IOCTL_H | |
21 | ||
29c62722 | 22 | #define LTTNG_MODULES_ABI_MAJOR_VERSION 2 |
c052142c MD |
23 | #define LTTNG_MODULES_ABI_MINOR_VERSION 0 |
24 | ||
16421f6e | 25 | /* Get a snapshot of the current ring buffer producer and consumer positions */ |
f3ed775e | 26 | #define RING_BUFFER_SNAPSHOT _IO(0xF6, 0x00) |
16421f6e DG |
27 | /* Get the consumer position (iteration start) */ |
28 | #define RING_BUFFER_SNAPSHOT_GET_CONSUMED _IOR(0xF6, 0x01, unsigned long) | |
29 | /* Get the producer position (iteration end) */ | |
30 | #define RING_BUFFER_SNAPSHOT_GET_PRODUCED _IOR(0xF6, 0x02, unsigned long) | |
31 | /* Get exclusive read access to the specified sub-buffer position */ | |
f3ed775e | 32 | #define RING_BUFFER_GET_SUBBUF _IOW(0xF6, 0x03, unsigned long) |
16421f6e | 33 | /* Release exclusive sub-buffer access */ |
f3ed775e | 34 | #define RING_BUFFER_PUT_SUBBUF _IO(0xF6, 0x04) |
16421f6e DG |
35 | |
36 | /* Get exclusive read access to the next sub-buffer that can be read. */ | |
f3ed775e | 37 | #define RING_BUFFER_GET_NEXT_SUBBUF _IO(0xF6, 0x05) |
16421f6e | 38 | /* Release exclusive sub-buffer access, move consumer forward. */ |
f3ed775e | 39 | #define RING_BUFFER_PUT_NEXT_SUBBUF _IO(0xF6, 0x06) |
16421f6e | 40 | /* returns the size of the current sub-buffer, without padding (for mmap). */ |
f3ed775e | 41 | #define RING_BUFFER_GET_SUBBUF_SIZE _IOR(0xF6, 0x07, unsigned long) |
16421f6e DG |
42 | /* returns the size of the current sub-buffer, with padding (for splice). */ |
43 | #define RING_BUFFER_GET_PADDED_SUBBUF_SIZE _IOR(0xF6, 0x08, unsigned long) | |
44 | /* returns the maximum size for sub-buffers. */ | |
45 | #define RING_BUFFER_GET_MAX_SUBBUF_SIZE _IOR(0xF6, 0x09, unsigned long) | |
46 | /* returns the length to mmap. */ | |
f3ed775e | 47 | #define RING_BUFFER_GET_MMAP_LEN _IOR(0xF6, 0x0A, unsigned long) |
16421f6e DG |
48 | /* returns the offset of the subbuffer belonging to the mmap reader. */ |
49 | #define RING_BUFFER_GET_MMAP_READ_OFFSET _IOR(0xF6, 0x0B, unsigned long) | |
f3ed775e DG |
50 | /* flush the current sub-buffer */ |
51 | #define RING_BUFFER_FLUSH _IO(0xF6, 0x0C) | |
00e2e675 | 52 | |
309167d2 JD |
53 | /* returns the timestamp begin of the current sub-buffer */ |
54 | #define LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN _IOR(0xF6, 0x20, uint64_t) | |
55 | /* returns the timestamp end of the current sub-buffer */ | |
56 | #define LTTNG_RING_BUFFER_GET_TIMESTAMP_END _IOR(0xF6, 0x21, uint64_t) | |
57 | /* returns the number of events discarded */ | |
58 | #define LTTNG_RING_BUFFER_GET_EVENTS_DISCARDED _IOR(0xF6, 0x22, uint64_t) | |
59 | /* returns the packet payload size */ | |
60 | #define LTTNG_RING_BUFFER_GET_CONTENT_SIZE _IOR(0xF6, 0x23, uint64_t) | |
61 | /* returns the actual packet size */ | |
62 | #define LTTNG_RING_BUFFER_GET_PACKET_SIZE _IOR(0xF6, 0x24, uint64_t) | |
63 | /* returns the stream id */ | |
64 | #define LTTNG_RING_BUFFER_GET_STREAM_ID _IOR(0xF6, 0x25, uint64_t) | |
d3e2ba59 JD |
65 | /* returns the current timestamp */ |
66 | #define LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP _IOR(0xF6, 0x26, uint64_t) | |
309167d2 | 67 | |
4dbc372b JD |
68 | /* Old ABI (without support for 32/64 bits compat) */ |
69 | /* LTTng file descriptor ioctl */ | |
70 | #define LTTNG_KERNEL_OLD_SESSION _IO(0xF6, 0x40) | |
71 | #define LTTNG_KERNEL_OLD_TRACER_VERSION \ | |
72 | _IOR(0xF6, 0x41, struct lttng_kernel_old_tracer_version) | |
73 | #define LTTNG_KERNEL_OLD_TRACEPOINT_LIST _IO(0xF6, 0x42) | |
74 | #define LTTNG_KERNEL_OLD_WAIT_QUIESCENT _IO(0xF6, 0x43) | |
75 | #define LTTNG_KERNEL_OLD_CALIBRATE \ | |
76 | _IOWR(0xF6, 0x44, struct lttng_kernel_old_calibrate) | |
77 | ||
78 | /* Session FD ioctl */ | |
79 | #define LTTNG_KERNEL_OLD_METADATA \ | |
80 | _IOW(0xF6, 0x50, struct lttng_kernel_old_channel) | |
81 | #define LTTNG_KERNEL_OLD_CHANNEL \ | |
82 | _IOW(0xF6, 0x51, struct lttng_kernel_old_channel) | |
83 | #define LTTNG_KERNEL_OLD_SESSION_START _IO(0xF6, 0x52) | |
84 | #define LTTNG_KERNEL_OLD_SESSION_STOP _IO(0xF6, 0x53) | |
85 | ||
86 | /* Channel FD ioctl */ | |
87 | #define LTTNG_KERNEL_OLD_STREAM _IO(0xF6, 0x60) | |
88 | #define LTTNG_KERNEL_OLD_EVENT \ | |
89 | _IOW(0xF6, 0x61, struct lttng_kernel_old_event) | |
f3ed775e | 90 | |
4dbc372b JD |
91 | /* Event and Channel FD ioctl */ |
92 | #define LTTNG_KERNEL_OLD_CONTEXT \ | |
93 | _IOW(0xF6, 0x70, struct lttng_kernel_old_context) | |
94 | ||
95 | /* Event, Channel and Session ioctl */ | |
96 | #define LTTNG_KERNEL_OLD_ENABLE _IO(0xF6, 0x80) | |
97 | #define LTTNG_KERNEL_OLD_DISABLE _IO(0xF6, 0x81) | |
98 | ||
99 | ||
100 | /* Current ABI (with suport for 32/64 bits compat) */ | |
857aa172 | 101 | /* LTTng file descriptor ioctl */ |
4dbc372b JD |
102 | #define LTTNG_KERNEL_SESSION _IO(0xF6, 0x45) |
103 | #define LTTNG_KERNEL_TRACER_VERSION \ | |
104 | _IOR(0xF6, 0x46, struct lttng_kernel_tracer_version) | |
d02666a9 | 105 | #define LTTNG_KERNEL_TRACEPOINT_LIST _IO(0xF6, 0x47) |
4dbc372b | 106 | #define LTTNG_KERNEL_WAIT_QUIESCENT _IO(0xF6, 0x48) |
d0254c7c | 107 | #define LTTNG_KERNEL_CALIBRATE \ |
4dbc372b | 108 | _IOWR(0xF6, 0x49, struct lttng_kernel_calibrate) |
90d13b3d | 109 | #define LTTNG_KERNEL_SYSCALL_LIST _IO(0xF6, 0x4A) |
c052142c MD |
110 | #define LTTNG_KERNEL_TRACER_ABI_VERSION \ |
111 | _IOR(0xF6, 0x4B, struct lttng_kernel_tracer_abi_version) | |
8d609afd JD |
112 | |
113 | /* Session FD ioctl */ | |
4dbc372b JD |
114 | #define LTTNG_KERNEL_METADATA \ |
115 | _IOW(0xF6, 0x54, struct lttng_kernel_channel) | |
116 | #define LTTNG_KERNEL_CHANNEL \ | |
117 | _IOW(0xF6, 0x55, struct lttng_kernel_channel) | |
118 | #define LTTNG_KERNEL_SESSION_START _IO(0xF6, 0x56) | |
119 | #define LTTNG_KERNEL_SESSION_STOP _IO(0xF6, 0x57) | |
ccf10263 MD |
120 | #define LTTNG_KERNEL_SESSION_TRACK_PID \ |
121 | _IOR(0xF6, 0x58, int32_t) | |
122 | #define LTTNG_KERNEL_SESSION_UNTRACK_PID \ | |
123 | _IOR(0xF6, 0x59, int32_t) | |
a5dfbb9d | 124 | #define LTTNG_KERNEL_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58) |
8d609afd JD |
125 | |
126 | /* Channel FD ioctl */ | |
4dbc372b JD |
127 | #define LTTNG_KERNEL_STREAM _IO(0xF6, 0x62) |
128 | #define LTTNG_KERNEL_EVENT \ | |
129 | _IOW(0xF6, 0x63, struct lttng_kernel_event) | |
e80c3634 MD |
130 | #define LTTNG_KERNEL_SYSCALL_MASK \ |
131 | _IOWR(0xF6, 0x64, struct lttng_kernel_syscall_mask) | |
f3ed775e | 132 | |
857aa172 | 133 | /* Event and Channel FD ioctl */ |
4dbc372b JD |
134 | #define LTTNG_KERNEL_CONTEXT \ |
135 | _IOW(0xF6, 0x71, struct lttng_kernel_context) | |
857aa172 | 136 | |
f3ed775e | 137 | /* Event, Channel and Session ioctl */ |
4dbc372b JD |
138 | #define LTTNG_KERNEL_ENABLE _IO(0xF6, 0x82) |
139 | #define LTTNG_KERNEL_DISABLE _IO(0xF6, 0x83) | |
16421f6e DG |
140 | |
141 | #endif /* _LTT_KERNEL_IOCTL_H */ |