1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Trace events for the ChromeOS Embedded Controller
4 *
5 * Copyright 2019 Google LLC.
6 */
7
8#undef TRACE_SYSTEM
9#define TRACE_SYSTEM cros_ec
10
11#if !defined(_CROS_EC_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
12#define _CROS_EC_TRACE_H_
13
14#include <linux/bits.h>
15#include <linux/types.h>
16#include <linux/platform_data/cros_ec_commands.h>
17#include <linux/platform_data/cros_ec_proto.h>
18
19#include <linux/tracepoint.h>
20
21TRACE_EVENT(cros_ec_request_start,
22 TP_PROTO(struct cros_ec_command *cmd),
23 TP_ARGS(cmd),
24 TP_STRUCT__entry(
25 __field(uint32_t, version)
26 __field(uint32_t, offset)
27 __field(uint32_t, command)
28 __field(uint32_t, outsize)
29 __field(uint32_t, insize)
30 ),
31 TP_fast_assign(
32 __entry->version = cmd->version;
33 __entry->offset = cmd->command / EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX);
34 __entry->command = cmd->command % EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX);
35 __entry->outsize = cmd->outsize;
36 __entry->insize = cmd->insize;
37 ),
38 TP_printk("version: %u, offset: %d, command: %s, outsize: %u, insize: %u",
39 __entry->version, __entry->offset,
40 __print_symbolic(__entry->command, EC_CMDS),
41 __entry->outsize, __entry->insize)
42);
43
44TRACE_EVENT(cros_ec_request_done,
45 TP_PROTO(struct cros_ec_command *cmd, int retval),
46 TP_ARGS(cmd, retval),
47 TP_STRUCT__entry(
48 __field(uint32_t, version)
49 __field(uint32_t, offset)
50 __field(uint32_t, command)
51 __field(uint32_t, outsize)
52 __field(uint32_t, insize)
53 __field(uint32_t, result)
54 __field(int, retval)
55 ),
56 TP_fast_assign(
57 __entry->version = cmd->version;
58 __entry->offset = cmd->command / EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX);
59 __entry->command = cmd->command % EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX);
60 __entry->outsize = cmd->outsize;
61 __entry->insize = cmd->insize;
62 __entry->result = cmd->result;
63 __entry->retval = retval;
64 ),
65 TP_printk("version: %u, offset: %d, command: %s, outsize: %u, insize: %u, ec result: %s, retval: %u",
66 __entry->version, __entry->offset,
67 __print_symbolic(__entry->command, EC_CMDS),
68 __entry->outsize, __entry->insize,
69 __print_symbolic(__entry->result, EC_RESULT),
70 __entry->retval)
71);
72
73#endif /* _CROS_EC_TRACE_H_ */
74
75/* this part must be outside header guard */
76
77#undef TRACE_INCLUDE_PATH
78#define TRACE_INCLUDE_PATH .
79
80#undef TRACE_INCLUDE_FILE
81#define TRACE_INCLUDE_FILE cros_ec_trace
82
83#include <trace/define_trace.h>
84

source code of linux/drivers/platform/chrome/cros_ec_trace.h