Commit | Line | Data |
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b7cdc182 | 1 | /* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) |
9f36eaed | 2 | * |
2df37e95 | 3 | * lttng/abi-old.h |
6dccd6c1 JD |
4 | * |
5 | * LTTng old ABI header (without support for compat 32/64 bits) | |
6 | * | |
7 | * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
6dccd6c1 JD |
8 | */ |
9 | ||
9f36eaed MJ |
10 | #ifndef _LTTNG_ABI_OLD_H |
11 | #define _LTTNG_ABI_OLD_H | |
12 | ||
6dccd6c1 | 13 | #include <linux/fs.h> |
2df37e95 | 14 | #include <lttng/abi.h> |
6dccd6c1 JD |
15 | |
16 | /* | |
17 | * LTTng DebugFS ABI structures. | |
18 | */ | |
606828e4 MD |
19 | #define LTTNG_KERNEL_ABI_OLD_CHANNEL_PADDING LTTNG_KERNEL_ABI_SYM_NAME_LEN + 32 |
20 | struct lttng_kernel_abi_old_channel { | |
6dccd6c1 JD |
21 | int overwrite; /* 1: overwrite, 0: discard */ |
22 | uint64_t subbuf_size; /* in bytes */ | |
23 | uint64_t num_subbuf; | |
24 | unsigned int switch_timer_interval; /* usecs */ | |
25 | unsigned int read_timer_interval; /* usecs */ | |
606828e4 MD |
26 | enum lttng_kernel_abi_output output; /* splice, mmap */ |
27 | char padding[LTTNG_KERNEL_ABI_OLD_CHANNEL_PADDING]; | |
6dccd6c1 JD |
28 | }; |
29 | ||
606828e4 | 30 | struct lttng_kernel_abi_old_kretprobe { |
6dccd6c1 JD |
31 | uint64_t addr; |
32 | ||
33 | uint64_t offset; | |
606828e4 | 34 | char symbol_name[LTTNG_KERNEL_ABI_SYM_NAME_LEN]; |
6dccd6c1 JD |
35 | }; |
36 | ||
37 | /* | |
38 | * Either addr is used, or symbol_name and offset. | |
39 | */ | |
606828e4 | 40 | struct lttng_kernel_abi_old_kprobe { |
6dccd6c1 JD |
41 | uint64_t addr; |
42 | ||
43 | uint64_t offset; | |
606828e4 | 44 | char symbol_name[LTTNG_KERNEL_ABI_SYM_NAME_LEN]; |
6dccd6c1 JD |
45 | }; |
46 | ||
606828e4 MD |
47 | struct lttng_kernel_abi_old_function_tracer { |
48 | char symbol_name[LTTNG_KERNEL_ABI_SYM_NAME_LEN]; | |
6dccd6c1 JD |
49 | }; |
50 | ||
51 | /* | |
52 | * For syscall tracing, name = '\0' means "enable all". | |
53 | */ | |
606828e4 MD |
54 | #define LTTNG_KERNEL_ABI_OLD_EVENT_PADDING1 16 |
55 | #define LTTNG_KERNEL_ABI_OLD_EVENT_PADDING2 LTTNG_KERNEL_ABI_SYM_NAME_LEN + 32 | |
56 | struct lttng_kernel_abi_old_event { | |
57 | char name[LTTNG_KERNEL_ABI_SYM_NAME_LEN]; /* event name */ | |
58 | enum lttng_kernel_abi_instrumentation instrumentation; | |
59 | char padding[LTTNG_KERNEL_ABI_OLD_EVENT_PADDING1]; | |
6dccd6c1 JD |
60 | |
61 | /* Per instrumentation type configuration */ | |
62 | union { | |
606828e4 MD |
63 | struct lttng_kernel_abi_old_kretprobe kretprobe; |
64 | struct lttng_kernel_abi_old_kprobe kprobe; | |
65 | struct lttng_kernel_abi_old_function_tracer ftrace; | |
66 | char padding[LTTNG_KERNEL_ABI_OLD_EVENT_PADDING2]; | |
6dccd6c1 JD |
67 | } u; |
68 | }; | |
69 | ||
606828e4 | 70 | struct lttng_kernel_abi_old_tracer_version { |
6dccd6c1 JD |
71 | uint32_t major; |
72 | uint32_t minor; | |
73 | uint32_t patchlevel; | |
74 | }; | |
75 | ||
606828e4 MD |
76 | struct lttng_kernel_abi_old_calibrate { |
77 | enum lttng_kernel_abi_calibrate_type type; /* type (input) */ | |
6dccd6c1 JD |
78 | }; |
79 | ||
606828e4 | 80 | struct lttng_kernel_abi_old_perf_counter_ctx { |
6dccd6c1 JD |
81 | uint32_t type; |
82 | uint64_t config; | |
606828e4 | 83 | char name[LTTNG_KERNEL_ABI_SYM_NAME_LEN]; |
6dccd6c1 JD |
84 | }; |
85 | ||
606828e4 MD |
86 | #define LTTNG_KERNEL_ABI_OLD_CONTEXT_PADDING1 16 |
87 | #define LTTNG_KERNEL_ABI_OLD_CONTEXT_PADDING2 LTTNG_KERNEL_ABI_SYM_NAME_LEN + 32 | |
88 | struct lttng_kernel_abi_old_context { | |
89 | enum lttng_kernel_abi_context_type ctx; | |
90 | char padding[LTTNG_KERNEL_ABI_OLD_CONTEXT_PADDING1]; | |
6dccd6c1 JD |
91 | |
92 | union { | |
606828e4 MD |
93 | struct lttng_kernel_abi_old_perf_counter_ctx perf_counter; |
94 | char padding[LTTNG_KERNEL_ABI_OLD_CONTEXT_PADDING2]; | |
6dccd6c1 JD |
95 | } u; |
96 | }; | |
97 | ||
98 | /* LTTng file descriptor ioctl */ | |
606828e4 MD |
99 | #define LTTNG_KERNEL_ABI_OLD_SESSION _IO(0xF6, 0x40) |
100 | #define LTTNG_KERNEL_ABI_OLD_TRACER_VERSION \ | |
101 | _IOR(0xF6, 0x41, struct lttng_kernel_abi_old_tracer_version) | |
102 | #define LTTNG_KERNEL_ABI_OLD_TRACEPOINT_LIST _IO(0xF6, 0x42) | |
103 | #define LTTNG_KERNEL_ABI_OLD_WAIT_QUIESCENT _IO(0xF6, 0x43) | |
104 | #define LTTNG_KERNEL_ABI_OLD_CALIBRATE \ | |
105 | _IOWR(0xF6, 0x44, struct lttng_kernel_abi_old_calibrate) | |
6dccd6c1 JD |
106 | |
107 | /* Session FD ioctl */ | |
606828e4 MD |
108 | #define LTTNG_KERNEL_ABI_OLD_METADATA \ |
109 | _IOW(0xF6, 0x50, struct lttng_kernel_abi_old_channel) | |
110 | #define LTTNG_KERNEL_ABI_OLD_CHANNEL \ | |
111 | _IOW(0xF6, 0x51, struct lttng_kernel_abi_old_channel) | |
112 | #define LTTNG_KERNEL_ABI_OLD_SESSION_START _IO(0xF6, 0x52) | |
113 | #define LTTNG_KERNEL_ABI_OLD_SESSION_STOP _IO(0xF6, 0x53) | |
6dccd6c1 JD |
114 | |
115 | /* Channel FD ioctl */ | |
606828e4 MD |
116 | #define LTTNG_KERNEL_ABI_OLD_STREAM _IO(0xF6, 0x60) |
117 | #define LTTNG_KERNEL_ABI_OLD_EVENT \ | |
118 | _IOW(0xF6, 0x61, struct lttng_kernel_abi_old_event) | |
6dccd6c1 JD |
119 | |
120 | /* Event and Channel FD ioctl */ | |
606828e4 MD |
121 | #define LTTNG_KERNEL_ABI_OLD_CONTEXT \ |
122 | _IOW(0xF6, 0x70, struct lttng_kernel_abi_old_context) | |
6dccd6c1 JD |
123 | |
124 | /* Event, Channel and Session ioctl */ | |
606828e4 MD |
125 | #define LTTNG_KERNEL_ABI_OLD_ENABLE _IO(0xF6, 0x80) |
126 | #define LTTNG_KERNEL_ABI_OLD_DISABLE _IO(0xF6, 0x81) | |
6dccd6c1 JD |
127 | |
128 | #endif /* _LTTNG_ABI_OLD_H */ |