projects / lttng-modules.git / blame
| Commit | Line | Data |
|---|---|---|
| 9f36eaed | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2ca39464 SM |
2 | #undef TRACE_SYSTEM |
| 3 | #define TRACE_SYSTEM i2c | |
| 4 | ||
| 5 | #if !defined(LTTNG_TRACE_I2C_H) || defined(TRACE_HEADER_MULTI_READ) | |
| 6 | #define LTTNG_TRACE_I2C_H | |
| 7 | ||
| 8 | #include <probes/lttng-tracepoint-event.h> | |
| 9 | ||
| 10 | /* | |
| 11 | * __i2c_transfer() write request | |
| 12 | */ | |
| 13 | LTTNG_TRACEPOINT_EVENT_CODE(i2c_write, | |
| 14 | ||
| 15 | TP_PROTO(const struct i2c_adapter *adap, const struct i2c_msg *msg, | |
| 16 | int num), | |
| 17 | ||
| 18 | TP_ARGS(adap, msg, num), | |
| 19 | ||
| 20 | TP_locvar( | |
| 21 | int extract_sensitive_payload; | |
| 22 | ), | |
| 23 | ||
| 24 | TP_code_pre( | |
| 25 | tp_locvar->extract_sensitive_payload = | |
| 57ccbfa6 | 26 | LTTNG_READ_ONCE(extract_sensitive_payload); |
| 2ca39464 SM |
27 | ), |
| 28 | ||
| 29 | TP_FIELDS( | |
| 30 | ctf_integer(int, adapter_nr, adap->nr) | |
| 31 | ctf_integer(__u16, msg_nr, num) | |
| 32 | ctf_integer(__u16, addr, msg->addr) | |
| 33 | ctf_integer(__u16, flags, msg->flags) | |
| 34 | ctf_integer(__u16, len, msg->len) | |
| 35 | ctf_sequence_hex(__u8, buf, | |
| 36 | tp_locvar->extract_sensitive_payload ? | |
| 37 | msg->buf : NULL, | |
| 38 | __u16, | |
| 39 | tp_locvar->extract_sensitive_payload ? | |
| 40 | msg->len : 0) | |
| 41 | ), | |
| 42 | ||
| 43 | TP_code_post() | |
| 44 | ) | |
| 45 | ||
| 46 | /* | |
| 47 | * __i2c_transfer() read request | |
| 48 | */ | |
| 49 | LTTNG_TRACEPOINT_EVENT(i2c_read, | |
| 50 | ||
| 51 | TP_PROTO(const struct i2c_adapter *adap, const struct i2c_msg *msg, | |
| 52 | int num), | |
| 53 | ||
| 54 | TP_ARGS(adap, msg, num), | |
| 55 | ||
| 56 | TP_FIELDS( | |
| 57 | ctf_integer(int, adapter_nr, adap->nr) | |
| 58 | ctf_integer(__u16, msg_nr, num) | |
| 59 | ctf_integer(__u16, addr, msg->addr) | |
| 60 | ctf_integer(__u16, flags, msg->flags) | |
| 61 | ctf_integer(__u16, len, msg->len) | |
| 62 | ) | |
| 63 | ) | |
| 64 | ||
| 65 | /* | |
| 66 | * __i2c_transfer() read reply | |
| 67 | */ | |
| 68 | LTTNG_TRACEPOINT_EVENT_CODE(i2c_reply, | |
| 69 | ||
| 70 | TP_PROTO(const struct i2c_adapter *adap, const struct i2c_msg *msg, | |
| 71 | int num), | |
| 72 | ||
| 73 | TP_ARGS(adap, msg, num), | |
| 74 | ||
| 75 | TP_locvar( | |
| 76 | int extract_sensitive_payload; | |
| 77 | ), | |
| 78 | ||
| 79 | TP_code_pre( | |
| 80 | tp_locvar->extract_sensitive_payload = | |
| 57ccbfa6 | 81 | LTTNG_READ_ONCE(extract_sensitive_payload); |
| 2ca39464 SM |
82 | ), |
| 83 | ||
| 84 | TP_FIELDS( | |
| 85 | ctf_integer(int, adapter_nr, adap->nr) | |
| 86 | ctf_integer(__u16, msg_nr, num) | |
| 87 | ctf_integer(__u16, addr, msg->addr) | |
| 88 | ctf_integer(__u16, flags, msg->flags) | |
| 89 | ctf_integer(__u16, len, msg->len) | |
| 90 | ctf_sequence_hex(__u8, buf, | |
| 91 | tp_locvar->extract_sensitive_payload ? | |
| 92 | msg->buf : NULL, | |
| 93 | __u16, | |
| 94 | tp_locvar->extract_sensitive_payload ? | |
| 95 | msg->len : 0) | |
| 96 | ), | |
| 97 | ||
| 98 | TP_code_post() | |
| 99 | ) | |
| 100 | ||
| 101 | /* | |
| 102 | * __i2c_transfer() result | |
| 103 | */ | |
| 104 | LTTNG_TRACEPOINT_EVENT(i2c_result, | |
| 105 | ||
| 106 | TP_PROTO(const struct i2c_adapter *adap, int num, int ret), | |
| 107 | ||
| 108 | TP_ARGS(adap, num, ret), | |
| 109 | ||
| 110 | TP_FIELDS( | |
| 111 | ctf_integer(int, adapter_nr, adap->nr) | |
| 112 | ctf_integer(__u16, nr_msgs, num) | |
| 113 | ctf_integer(__s16, ret, ret) | |
| 114 | ) | |
| 115 | ) | |
| 116 | ||
| 117 | #endif /* LTTNG_TRACE_I2C_H */ | |
| 118 | ||
| 119 | /* This part must be outside protection */ | |
| 120 | #include <probes/define_trace.h> |