platform/chrome/cros_ec_trace.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  * Trace events for the ChromeOS Embedded Controller
0004  *
0005  * Copyright 2019 Google LLC.
0006  */
0007
0008 #undef TRACE_SYSTEM
0009 #define TRACE_SYSTEM cros_ec
0010
0011 #if !defined(_CROS_EC_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
0012 #define _CROS_EC_TRACE_H_
0013
0014 #include <linux/bits.h>
0015 #include <linux/types.h>
0016 #include <linux/platform_data/cros_ec_commands.h>
0017 #include <linux/platform_data/cros_ec_proto.h>
0018
0019 #include <linux/tracepoint.h>
0020
0021 TRACE_EVENT(cros_ec_request_start,
0022     TP_PROTO(struct cros_ec_command *cmd),
0023     TP_ARGS(cmd),
0024     TP_STRUCT__entry(
0025         __field(uint32_t, version)
0026         __field(uint32_t, offset)
0027         __field(uint32_t, command)
0028         __field(uint32_t, outsize)
0029         __field(uint32_t, insize)
0030     ),
0031     TP_fast_assign(
0032         __entry->version = cmd->version;
0033         __entry->offset = cmd->command / EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX);
0034         __entry->command = cmd->command % EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX);
0035         __entry->outsize = cmd->outsize;
0036         __entry->insize = cmd->insize;
0037     ),
0038     TP_printk("version: %u, offset: %d, command: %s, outsize: %u, insize: %u",
0039           __entry->version, __entry->offset,
0040           __print_symbolic(__entry->command, EC_CMDS),
0041           __entry->outsize, __entry->insize)
0042 );
0043
0044 TRACE_EVENT(cros_ec_request_done,
0045     TP_PROTO(struct cros_ec_command *cmd, int retval),
0046     TP_ARGS(cmd, retval),
0047     TP_STRUCT__entry(
0048         __field(uint32_t, version)
0049         __field(uint32_t, offset)
0050         __field(uint32_t, command)
0051         __field(uint32_t, outsize)
0052         __field(uint32_t, insize)
0053         __field(uint32_t, result)
0054         __field(int, retval)
0055     ),
0056     TP_fast_assign(
0057         __entry->version = cmd->version;
0058         __entry->offset = cmd->command / EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX);
0059         __entry->command = cmd->command % EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX);
0060         __entry->outsize = cmd->outsize;
0061         __entry->insize = cmd->insize;
0062         __entry->result = cmd->result;
0063         __entry->retval = retval;
0064     ),
0065     TP_printk("version: %u, offset: %d, command: %s, outsize: %u, insize: %u, ec result: %s, retval: %u",
0066           __entry->version, __entry->offset,
0067           __print_symbolic(__entry->command, EC_CMDS),
0068           __entry->outsize, __entry->insize,
0069           __print_symbolic(__entry->result, EC_RESULT),
0070           __entry->retval)
0071 );
0072
0073 #endif /* _CROS_EC_TRACE_H_ */
0074
0075 /* this part must be outside header guard */
0076
0077 #undef TRACE_INCLUDE_PATH
0078 #define TRACE_INCLUDE_PATH .
0079
0080 #undef TRACE_INCLUDE_FILE
0081 #define TRACE_INCLUDE_FILE cros_ec_trace
0082
0083 #include <trace/define_trace.h>