Cleanup: Move lttng-modules instrumentation headers

[lttng-modules.git] / include / instrumentation / events / i2c.h

diff --git a/include/instrumentation/events/i2c.h b/include/instrumentation/events/i2c.h
new file mode 100644 (file)
index 0000000..312f673
--- /dev/null
+++ b/include/instrumentation/events/i2c.h
@@ -0,0 +1,120 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM i2c
+
+#if !defined(LTTNG_TRACE_I2C_H) || defined(TRACE_HEADER_MULTI_READ)
+#define LTTNG_TRACE_I2C_H
+
+#include <lttng/tracepoint-event.h>
+
+/*
+ * __i2c_transfer() write request
+ */
+LTTNG_TRACEPOINT_EVENT_CODE(i2c_write,
+
+       TP_PROTO(const struct i2c_adapter *adap, const struct i2c_msg *msg,
+               int num),
+
+       TP_ARGS(adap, msg, num),
+
+       TP_locvar(
+               int extract_sensitive_payload;
+       ),
+
+       TP_code_pre(
+               tp_locvar->extract_sensitive_payload =
+                       READ_ONCE(extract_sensitive_payload);
+       ),
+
+       TP_FIELDS(
+               ctf_integer(int, adapter_nr, adap->nr)
+               ctf_integer(__u16, msg_nr, num)
+               ctf_integer(__u16, addr, msg->addr)
+               ctf_integer(__u16, flags, msg->flags)
+               ctf_integer(__u16, len, msg->len)
+               ctf_sequence_hex(__u8, buf,
+                               tp_locvar->extract_sensitive_payload ?
+                               msg->buf : NULL,
+                               __u16,
+                               tp_locvar->extract_sensitive_payload ?
+                               msg->len : 0)
+       ),
+
+       TP_code_post()
+)
+
+/*
+ * __i2c_transfer() read request
+ */
+LTTNG_TRACEPOINT_EVENT(i2c_read,
+
+       TP_PROTO(const struct i2c_adapter *adap, const struct i2c_msg *msg,
+               int num),
+
+       TP_ARGS(adap, msg, num),
+
+       TP_FIELDS(
+               ctf_integer(int, adapter_nr, adap->nr)
+               ctf_integer(__u16, msg_nr, num)
+               ctf_integer(__u16, addr, msg->addr)
+               ctf_integer(__u16, flags, msg->flags)
+               ctf_integer(__u16, len, msg->len)
+       )
+)
+
+/*
+ * __i2c_transfer() read reply
+ */
+LTTNG_TRACEPOINT_EVENT_CODE(i2c_reply,
+
+       TP_PROTO(const struct i2c_adapter *adap, const struct i2c_msg *msg,
+               int num),
+
+       TP_ARGS(adap, msg, num),
+
+       TP_locvar(
+               int extract_sensitive_payload;
+       ),
+
+       TP_code_pre(
+               tp_locvar->extract_sensitive_payload =
+                       READ_ONCE(extract_sensitive_payload);
+       ),
+
+       TP_FIELDS(
+               ctf_integer(int, adapter_nr, adap->nr)
+               ctf_integer(__u16, msg_nr, num)
+               ctf_integer(__u16, addr, msg->addr)
+               ctf_integer(__u16, flags, msg->flags)
+               ctf_integer(__u16, len, msg->len)
+               ctf_sequence_hex(__u8, buf,
+                               tp_locvar->extract_sensitive_payload ?
+                               msg->buf : NULL,
+                               __u16,
+                               tp_locvar->extract_sensitive_payload ?
+                               msg->len : 0)
+       ),
+
+       TP_code_post()
+)
+
+/*
+ * __i2c_transfer() result
+ */
+LTTNG_TRACEPOINT_EVENT(i2c_result,
+
+       TP_PROTO(const struct i2c_adapter *adap, int num, int ret),
+
+       TP_ARGS(adap, num, ret),
+
+       TP_FIELDS(
+               ctf_integer(int, adapter_nr, adap->nr)
+               ctf_integer(__u16, nr_msgs, num)
+               ctf_integer(__s16, ret, ret)
+       )
+)
+
+#endif /*  LTTNG_TRACE_I2C_H */
+
+/* This part must be outside protection */
+#include <lttng/define_trace.h>