projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 16421f6e | 1 | /* |
| 21cf9b6b | 2 | * Copyright (C) 2011 EfficiOS Inc. |
| ab5be9fa | 3 | * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 16421f6e | 4 | * |
| ab5be9fa | 5 | * SPDX-License-Identifier: GPL-2.0-only |
| 16421f6e | 6 | * |
| 16421f6e DG |
7 | */ |
| 8 | ||
| 9 | #ifndef _LTT_KERNEL_IOCTL_H | |
| 10 | #define _LTT_KERNEL_IOCTL_H | |
| 11 | ||
| 28f23191 JG |
12 | #define LTTNG_KERNEL_ABI_MAJOR_VERSION 2 |
| 13 | #define LTTNG_KERNEL_ABI_MINOR_VERSION 6 | |
| c052142c | 14 | |
| 16421f6e | 15 | /* Get a snapshot of the current ring buffer producer and consumer positions */ |
| 28f23191 | 16 | #define LTTNG_KERNEL_ABI_RING_BUFFER_SNAPSHOT _IO(0xF6, 0x00) |
| 16421f6e | 17 | /* Get the consumer position (iteration start) */ |
| 28f23191 | 18 | #define LTTNG_KERNEL_ABI_RING_BUFFER_SNAPSHOT_GET_CONSUMED _IOR(0xF6, 0x01, unsigned long) |
| 16421f6e | 19 | /* Get the producer position (iteration end) */ |
| 28f23191 | 20 | #define LTTNG_KERNEL_ABI_RING_BUFFER_SNAPSHOT_GET_PRODUCED _IOR(0xF6, 0x02, unsigned long) |
| 16421f6e | 21 | /* Get exclusive read access to the specified sub-buffer position */ |
| 28f23191 | 22 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_SUBBUF _IOW(0xF6, 0x03, unsigned long) |
| 16421f6e | 23 | /* Release exclusive sub-buffer access */ |
| 28f23191 | 24 | #define LTTNG_KERNEL_ABI_RING_BUFFER_PUT_SUBBUF _IO(0xF6, 0x04) |
| 16421f6e DG |
25 | |
| 26 | /* Get exclusive read access to the next sub-buffer that can be read. */ | |
| 28f23191 | 27 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_NEXT_SUBBUF _IO(0xF6, 0x05) |
| 16421f6e | 28 | /* Release exclusive sub-buffer access, move consumer forward. */ |
| 28f23191 | 29 | #define LTTNG_KERNEL_ABI_RING_BUFFER_PUT_NEXT_SUBBUF _IO(0xF6, 0x06) |
| 16421f6e | 30 | /* returns the size of the current sub-buffer, without padding (for mmap). */ |
| 28f23191 | 31 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_SUBBUF_SIZE _IOR(0xF6, 0x07, unsigned long) |
| 16421f6e | 32 | /* returns the size of the current sub-buffer, with padding (for splice). */ |
| 28f23191 | 33 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_PADDED_SUBBUF_SIZE _IOR(0xF6, 0x08, unsigned long) |
| 16421f6e | 34 | /* returns the maximum size for sub-buffers. */ |
| 28f23191 | 35 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_MAX_SUBBUF_SIZE _IOR(0xF6, 0x09, unsigned long) |
| 16421f6e | 36 | /* returns the length to mmap. */ |
| 28f23191 | 37 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_MMAP_LEN _IOR(0xF6, 0x0A, unsigned long) |
| 16421f6e | 38 | /* returns the offset of the subbuffer belonging to the mmap reader. */ |
| 28f23191 | 39 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_MMAP_READ_OFFSET _IOR(0xF6, 0x0B, unsigned long) |
| f22dd891 | 40 | /* Flush the current sub-buffer, if non-empty. */ |
| 28f23191 | 41 | #define LTTNG_KERNEL_ABI_RING_BUFFER_FLUSH _IO(0xF6, 0x0C) |
| 93ec662e | 42 | /* Get the current version of the metadata cache (after a get_next). */ |
| 28f23191 | 43 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_METADATA_VERSION _IOR(0xF6, 0x0D, uint64_t) |
| b007ec59 JG |
44 | /* |
| 45 | * Get a snapshot of the current ring buffer producer and consumer positions, | |
| 46 | * regardless of whether or not the two positions are contained within the same | |
| 47 | * sub-buffer. | |
| 48 | */ | |
| 28f23191 | 49 | #define LTTNG_KERNEL_ABI_RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS _IO(0xF6, 0x0E) |
| f22dd891 | 50 | /* Flush the current sub-buffer, even if empty. */ |
| 28f23191 | 51 | #define LTTNG_KERNEL_ABI_RING_BUFFER_FLUSH_EMPTY _IO(0xF6, 0x0F) |
| 8024cc8c JD |
52 | /* |
| 53 | * Reset the position of what has been consumed from the metadata cache to 0 | |
| 54 | * so it can be read again. | |
| 55 | */ | |
| 28f23191 | 56 | #define LTTNG_KERNEL_ABI_RING_BUFFER_METADATA_CACHE_DUMP _IO(0xF6, 0x10) |
| 99930a9d | 57 | /* Clear ring buffer content */ |
| 28f23191 | 58 | #define LTTNG_KERNEL_ABI_RING_BUFFER_CLEAR _IO(0xF6, 0x11) |
| b8e2fb80 | 59 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_NEXT_SUBBUF_METADATA_CHECK _IOR(0xF6, 0x12, uint32_t) |
| 00e2e675 | 60 | |
| 309167d2 | 61 | /* returns the timestamp begin of the current sub-buffer */ |
| 28f23191 | 62 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_BEGIN _IOR(0xF6, 0x20, uint64_t) |
| 309167d2 | 63 | /* returns the timestamp end of the current sub-buffer */ |
| 28f23191 | 64 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_END _IOR(0xF6, 0x21, uint64_t) |
| 309167d2 | 65 | /* returns the number of events discarded */ |
| 28f23191 | 66 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_EVENTS_DISCARDED _IOR(0xF6, 0x22, uint64_t) |
| 309167d2 | 67 | /* returns the packet payload size */ |
| 28f23191 | 68 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_CONTENT_SIZE _IOR(0xF6, 0x23, uint64_t) |
| 309167d2 | 69 | /* returns the actual packet size */ |
| 28f23191 | 70 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_PACKET_SIZE _IOR(0xF6, 0x24, uint64_t) |
| 309167d2 | 71 | /* returns the stream id */ |
| 28f23191 | 72 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_STREAM_ID _IOR(0xF6, 0x25, uint64_t) |
| d3e2ba59 | 73 | /* returns the current timestamp */ |
| 28f23191 | 74 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_CURRENT_TIMESTAMP _IOR(0xF6, 0x26, uint64_t) |
| fb83fe64 | 75 | /* returns the packet sequence number */ |
| 28f23191 | 76 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_SEQ_NUM _IOR(0xF6, 0x27, uint64_t) |
| 000fa86f | 77 | /* returns the stream instance id */ |
| 28f23191 | 78 | #define LTTNG_KERNEL_ABI_RING_BUFFER_INSTANCE_ID _IOR(0xF6, 0x28, uint64_t) |
| 309167d2 | 79 | |
| 4dbc372b JD |
80 | /* Old ABI (without support for 32/64 bits compat) */ |
| 81 | /* LTTng file descriptor ioctl */ | |
| 28f23191 JG |
82 | #define LTTNG_KERNEL_ABI_OLD_SESSION _IO(0xF6, 0x40) |
| 83 | #define LTTNG_KERNEL_ABI_OLD_TRACER_VERSION \ | |
| 84 | _IOR(0xF6, 0x41, struct lttng_kernel_abi_old_tracer_version) | |
| 85 | #define LTTNG_KERNEL_ABI_OLD_TRACEPOINT_LIST _IO(0xF6, 0x42) | |
| 86 | #define LTTNG_KERNEL_ABI_OLD_WAIT_QUIESCENT _IO(0xF6, 0x43) | |
| 4dbc372b JD |
87 | |
| 88 | /* Session FD ioctl */ | |
| 28f23191 JG |
89 | #define LTTNG_KERNEL_ABI_OLD_METADATA _IOW(0xF6, 0x50, struct lttng_kernel_abi_old_channel) |
| 90 | #define LTTNG_KERNEL_ABI_OLD_CHANNEL _IOW(0xF6, 0x51, struct lttng_kernel_abi_old_channel) | |
| 91 | #define LTTNG_KERNEL_ABI_OLD_SESSION_START _IO(0xF6, 0x52) | |
| 92 | #define LTTNG_KERNEL_ABI_OLD_SESSION_STOP _IO(0xF6, 0x53) | |
| 4dbc372b JD |
93 | |
| 94 | /* Channel FD ioctl */ | |
| 28f23191 JG |
95 | #define LTTNG_KERNEL_ABI_OLD_STREAM _IO(0xF6, 0x60) |
| 96 | #define LTTNG_KERNEL_ABI_OLD_EVENT _IOW(0xF6, 0x61, struct lttng_kernel_abi_old_event) | |
| f3ed775e | 97 | |
| 4dbc372b | 98 | /* Event and Channel FD ioctl */ |
| 28f23191 | 99 | #define LTTNG_KERNEL_ABI_OLD_CONTEXT _IOW(0xF6, 0x70, struct lttng_kernel_abi_old_context) |
| 4dbc372b JD |
100 | |
| 101 | /* Event, Channel and Session ioctl */ | |
| 28f23191 JG |
102 | #define LTTNG_KERNEL_ABI_OLD_ENABLE _IO(0xF6, 0x80) |
| 103 | #define LTTNG_KERNEL_ABI_OLD_DISABLE _IO(0xF6, 0x81) | |
| 4dbc372b JD |
104 | |
| 105 | /* Current ABI (with suport for 32/64 bits compat) */ | |
| 857aa172 | 106 | /* LTTng file descriptor ioctl */ |
| 28f23191 JG |
107 | #define LTTNG_KERNEL_ABI_SESSION _IO(0xF6, 0x45) |
| 108 | #define LTTNG_KERNEL_ABI_TRACER_VERSION _IOR(0xF6, 0x46, struct lttng_kernel_abi_tracer_version) | |
| 109 | #define LTTNG_KERNEL_ABI_TRACEPOINT_LIST _IO(0xF6, 0x47) | |
| 110 | #define LTTNG_KERNEL_ABI_WAIT_QUIESCENT _IO(0xF6, 0x48) | |
| 111 | #define LTTNG_KERNEL_ABI_SYSCALL_LIST _IO(0xF6, 0x4A) | |
| 112 | #define LTTNG_KERNEL_ABI_TRACER_ABI_VERSION \ | |
| b8e2fb80 | 113 | _IOR(0xF6, 0x4B, struct lttng_kernel_abi_tracer_abi_version) |
| 28f23191 | 114 | #define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_GROUP_CREATE _IO(0xF6, 0x4C) |
| 8d609afd JD |
115 | |
| 116 | /* Session FD ioctl */ | |
| 28f23191 JG |
117 | #define LTTNG_KERNEL_ABI_METADATA _IOW(0xF6, 0x54, struct lttng_kernel_abi_channel) |
| 118 | #define LTTNG_KERNEL_ABI_CHANNEL _IOW(0xF6, 0x55, struct lttng_kernel_abi_channel) | |
| 119 | #define LTTNG_KERNEL_ABI_SESSION_START _IO(0xF6, 0x56) | |
| 120 | #define LTTNG_KERNEL_ABI_SESSION_STOP _IO(0xF6, 0x57) | |
| 121 | #define LTTNG_KERNEL_ABI_SESSION_TRACK_PID _IOW(0xF6, 0x58, int32_t) | |
| 122 | #define LTTNG_KERNEL_ABI_SESSION_UNTRACK_PID _IOW(0xF6, 0x59, int32_t) | |
| d2b102df JG |
123 | /* |
| 124 | * ioctl 0x58 and 0x59 are duplicated here. It works, since _IOR vs _IO | |
| 125 | * are generating two different ioctl numbers, but this was not done on | |
| 126 | * purpose. We should generally try to avoid those duplications. | |
| 127 | */ | |
| 28f23191 JG |
128 | #define LTTNG_KERNEL_ABI_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58) |
| 129 | #define LTTNG_KERNEL_ABI_SESSION_METADATA_REGEN _IO(0xF6, 0x59) | |
| 1eceaef1 | 130 | /* 0x5A and 0x5B are reserved for a future ABI-breaking cleanup. */ |
| 28f23191 JG |
131 | #define LTTNG_KERNEL_ABI_SESSION_STATEDUMP _IO(0xF6, 0x5C) |
| 132 | #define LTTNG_KERNEL_ABI_SESSION_SET_NAME _IOW(0xF6, 0x5D, struct lttng_kernel_abi_session_name) | |
| 133 | #define LTTNG_KERNEL_ABI_SESSION_SET_CREATION_TIME \ | |
| acbe1c12 | 134 | _IOW(0xF6, 0x5E, struct lttng_kernel_abi_session_creation_time) |
| 8d609afd JD |
135 | |
| 136 | /* Channel FD ioctl */ | |
| 28f23191 JG |
137 | #define LTTNG_KERNEL_ABI_STREAM _IO(0xF6, 0x62) |
| 138 | #define LTTNG_KERNEL_ABI_EVENT _IOW(0xF6, 0x63, struct lttng_kernel_abi_event) | |
| 139 | #define LTTNG_KERNEL_ABI_SYSCALL_MASK _IOWR(0xF6, 0x64, struct lttng_kernel_abi_syscall_mask) | |
| f3ed775e | 140 | |
| 857aa172 | 141 | /* Event and Channel FD ioctl */ |
| 28f23191 | 142 | #define LTTNG_KERNEL_ABI_CONTEXT _IOW(0xF6, 0x71, struct lttng_kernel_abi_context) |
| 857aa172 | 143 | |
| cfb1c9bc | 144 | /* Event, event notifier, Channel and Session ioctl */ |
| 28f23191 JG |
145 | #define LTTNG_KERNEL_ABI_ENABLE _IO(0xF6, 0x82) |
| 146 | #define LTTNG_KERNEL_ABI_DISABLE _IO(0xF6, 0x83) | |
| 16421f6e | 147 | |
| 90aa04a1 | 148 | /* Event notifier group ioctl */ |
| 28f23191 | 149 | #define LTTNG_KERNEL_ABI_COUNTER _IOW(0xF6, 0x84, struct lttng_kernel_abi_counter_conf) |
| 90aa04a1 | 150 | |
| cfb1c9bc | 151 | /* Event and event notifier FD ioctl */ |
| 28f23191 JG |
152 | #define LTTNG_KERNEL_ABI_FILTER _IO(0xF6, 0x90) |
| 153 | #define LTTNG_KERNEL_ABI_ADD_CALLSITE _IO(0xF6, 0x91) | |
| 00a62084 | 154 | |
| d01c0e56 | 155 | /* Session FD ioctl (continued) */ |
| 28f23191 | 156 | #define LTTNG_KERNEL_ABI_SESSION_LIST_TRACKER_IDS \ |
| acbe1c12 | 157 | _IOW(0xF6, 0xA0, struct lttng_kernel_abi_tracker_args) |
| 28f23191 JG |
158 | #define LTTNG_KERNEL_ABI_SESSION_TRACK_ID _IOW(0xF6, 0xA1, struct lttng_kernel_abi_tracker_args) |
| 159 | #define LTTNG_KERNEL_ABI_SESSION_UNTRACK_ID _IOW(0xF6, 0xA2, struct lttng_kernel_abi_tracker_args) | |
| d01c0e56 | 160 | |
| cfb1c9bc | 161 | /* Event notifier group file descriptor ioctl */ |
| 28f23191 | 162 | #define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_CREATE \ |
| b8e2fb80 | 163 | _IOW(0xF6, 0xB0, struct lttng_kernel_abi_event_notifier) |
| 28f23191 | 164 | #define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_GROUP_NOTIFICATION_FD _IO(0xF6, 0xB1) |
| cfb1c9bc | 165 | |
| 90aa04a1 | 166 | /* Event notifier file descriptor ioctl */ |
| 28f23191 | 167 | #define LTTNG_KERNEL_ABI_CAPTURE _IO(0xF6, 0xB8) |
| bbd6675c | 168 | |
| 90aa04a1 | 169 | /* Counter file descriptor ioctl */ |
| 28f23191 JG |
170 | #define LTTNG_KERNEL_ABI_COUNTER_READ IOWR(0xF6, 0xC0, struct lttng_kernel_abi_counter_read) |
| 171 | #define LTTNG_KERNEL_ABI_COUNTER_AGGREGATE \ | |
| b8e2fb80 | 172 | _IOWR(0xF6, 0xC1, struct lttng_kernel_abi_counter_aggregate) |
| 28f23191 | 173 | #define LTTNG_KERNEL_ABI_COUNTER_CLEAR _IOW(0xF6, 0xC2, struct lttng_kernel_abi_counter_clear) |
| 90aa04a1 | 174 | |
| acbe1c12 | 175 | /* |
| 28f23191 JG |
176 | * Those ioctl numbers use the wrong direction, but are kept for ABI backward |
| 177 | * compatibility. | |
| 178 | */ | |
| 179 | #define LTTNG_KERNEL_ABI_OLD_SESSION_SET_NAME _IOR(0xF6, 0x5D, struct lttng_kernel_abi_session_name) | |
| 180 | #define LTTNG_KERNEL_ABI_OLD_SESSION_SET_CREATION_TIME \ | |
| 181 | _IOR(0xF6, 0x5E, struct lttng_kernel_abi_session_creation_time) | |
| 182 | #define LTTNG_KERNEL_ABI_OLD_SESSION_TRACK_PID _IOW(0xF6, 0x58, int32_t) | |
| 183 | #define LTTNG_KERNEL_ABI_OLD_SESSION_UNTRACK_PID _IOW(0xF6, 0x59, int32_t) | |
| 184 | #define LTTNG_KERNEL_ABI_OLD_SESSION_LIST_TRACKER_IDS \ | |
| 185 | _IOR(0xF6, 0xA0, struct lttng_kernel_abi_tracker_args) | |
| 186 | #define LTTNG_KERNEL_ABI_OLD_SESSION_TRACK_ID _IOR(0xF6, 0xA1, struct lttng_kernel_abi_tracker_args) | |
| 187 | #define LTTNG_KERNEL_ABI_OLD_SESSION_UNTRACK_ID \ | |
| 188 | _IOR(0xF6, 0xA2, struct lttng_kernel_abi_tracker_args) | |
| 90aa04a1 | 189 | |
| 16421f6e | 190 | #endif /* _LTT_KERNEL_IOCTL_H */ |