| 1 | #ifndef _LTT_DEBUGFS_ABI_H |
| 2 | #define _LTT_DEBUGFS_ABI_H |
| 3 | |
| 4 | /* |
| 5 | * ltt-debugfs-abi.h |
| 6 | * |
| 7 | * Copyright 2010 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 8 | * |
| 9 | * LTTng debugfs ABI header |
| 10 | */ |
| 11 | |
| 12 | #include <linux/fs.h> |
| 13 | |
| 14 | enum instrum_type { |
| 15 | INSTRUM_TRACEPOINTS, |
| 16 | }; |
| 17 | |
| 18 | /* |
| 19 | * LTTng DebugFS ABI structures. |
| 20 | */ |
| 21 | |
| 22 | struct lttng_channel { |
| 23 | int overwrite; /* 1: overwrite, 0: discard */ |
| 24 | u64 subbuf_size; |
| 25 | u64 num_subbuf; |
| 26 | unsigned int switch_timer_interval; |
| 27 | unsigned int read_timer_interval; |
| 28 | }; |
| 29 | |
| 30 | struct lttng_event { |
| 31 | enum instrum_type itype; |
| 32 | char name[]; |
| 33 | }; |
| 34 | |
| 35 | #define LTTNG_SESSION _IO(0xF6, 0x40) |
| 36 | #define LTTNG_SESSION_START _IO(0xF6, 0x41) |
| 37 | #define LTTNG_SESSION_STOP _IO(0xF6, 0x42) |
| 38 | #define LTTNG_CHANNEL _IOW(0xF6, 0x43, struct lttng_channel) |
| 39 | #define LTTNG_STREAM _IO(0xF6, 0x44) |
| 40 | #define LTTNG_EVENT _IOW(0xF6, 0x45, struct lttng_event) |
| 41 | #define LTTNG_METADATA _IOW(0xF6, 0x46, struct lttng_channel) |
| 42 | |
| 43 | #endif /* _LTT_DEBUGFS_ABI_H */ |