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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
| commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
| tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /include/trace/events/i2c_slave.h | |
| parent | Initial commit. (diff) | |
| download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip | |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/trace/events/i2c_slave.h')
| -rw-r--r-- | include/trace/events/i2c_slave.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/include/trace/events/i2c_slave.h b/include/trace/events/i2c_slave.h new file mode 100644 index 0000000000..811166abbe --- /dev/null +++ b/include/trace/events/i2c_slave.h @@ -0,0 +1,67 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * I2C slave tracepoints + * + * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. + */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM i2c_slave + +#if !defined(_TRACE_I2C_SLAVE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_I2C_SLAVE_H + +#include <linux/i2c.h> +#include <linux/tracepoint.h> + +TRACE_DEFINE_ENUM(I2C_SLAVE_READ_REQUESTED); +TRACE_DEFINE_ENUM(I2C_SLAVE_WRITE_REQUESTED); +TRACE_DEFINE_ENUM(I2C_SLAVE_READ_PROCESSED); +TRACE_DEFINE_ENUM(I2C_SLAVE_WRITE_RECEIVED); +TRACE_DEFINE_ENUM(I2C_SLAVE_STOP); + +#define show_event_type(type) \ + __print_symbolic(type, \ + { I2C_SLAVE_READ_REQUESTED, "RD_REQ" }, \ + { I2C_SLAVE_WRITE_REQUESTED, "WR_REQ" }, \ + { I2C_SLAVE_READ_PROCESSED, "RD_PRO" }, \ + { I2C_SLAVE_WRITE_RECEIVED, "WR_RCV" }, \ + { I2C_SLAVE_STOP, " STOP" }) + +TRACE_EVENT(i2c_slave, + TP_PROTO(const struct i2c_client *client, enum i2c_slave_event event, + __u8 *val, int cb_ret), + TP_ARGS(client, event, val, cb_ret), + TP_STRUCT__entry( + __field(int, adapter_nr ) + __field(int, ret ) + __field(__u16, addr ) + __field(__u16, len ) + __field(enum i2c_slave_event, event ) + __array(__u8, buf, 1) ), + + TP_fast_assign( + __entry->adapter_nr = client->adapter->nr; + __entry->addr = client->addr; + __entry->event = event; + __entry->ret = cb_ret; + switch (event) { + case I2C_SLAVE_READ_REQUESTED: + case I2C_SLAVE_READ_PROCESSED: + case I2C_SLAVE_WRITE_RECEIVED: + __entry->len = 1; + memcpy(__entry->buf, val, __entry->len); + break; + default: + __entry->len = 0; + break; + } + ), + TP_printk("i2c-%d a=%03x ret=%d %s [%*phD]", + __entry->adapter_nr, __entry->addr, __entry->ret, + show_event_type(__entry->event), __entry->len, __entry->buf + )); + +#endif /* _TRACE_I2C_SLAVE_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |