drivers/platform/chrome/cros_ec_trace.h

   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
  21 TRACE_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, command)
  27         ),
  28         TP_fast_assign(
  29                 __entry->version = cmd->version;
  30                 __entry->command = cmd->command;
  31         ),
  32         TP_printk("version: %u, command: %s", __entry->version,
  33                   __print_symbolic(__entry->command, EC_CMDS))
  34 );
  35
  36 TRACE_EVENT(cros_ec_request_done,
  37         TP_PROTO(struct cros_ec_command *cmd, int retval),
  38         TP_ARGS(cmd, retval),
  39         TP_STRUCT__entry(
  40                 __field(uint32_t, version)
  41                 __field(uint32_t, command)
  42                 __field(uint32_t, result)
  43                 __field(int, retval)
  44         ),
  45         TP_fast_assign(
  46                 __entry->version = cmd->version;
  47                 __entry->command = cmd->command;
  48                 __entry->result = cmd->result;
  49                 __entry->retval = retval;
  50         ),
  51         TP_printk("version: %u, command: %s, ec result: %s, retval: %d",
  52                   __entry->version,
  53                   __print_symbolic(__entry->command, EC_CMDS),
  54                   __print_symbolic(__entry->result, EC_RESULT),
  55                   __entry->retval)
  56 );
  57
  58
  59 #endif /* _CROS_EC_TRACE_H_ */
  60
  61 /* this part must be outside header guard */
  62
  63 #undef TRACE_INCLUDE_PATH
  64 #define TRACE_INCLUDE_PATH .
  65
  66 #undef TRACE_INCLUDE_FILE
  67 #define TRACE_INCLUDE_FILE cros_ec_trace
  68
  69 #include <trace/define_trace.h>