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, 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(1);
  34                 __entry->command = cmd->command % EC_CMD_PASSTHRU_OFFSET(1);
  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
  44 TRACE_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(1);
  59                 __entry->command = cmd->command % EC_CMD_PASSTHRU_OFFSET(1);
  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
  74 #endif /* _CROS_EC_TRACE_H_ */
  75
  76 /* this part must be outside header guard */
  77
  78 #undef TRACE_INCLUDE_PATH
  79 #define TRACE_INCLUDE_PATH .
  80
  81 #undef TRACE_INCLUDE_FILE
  82 #define TRACE_INCLUDE_FILE cros_ec_trace
  83
  84 #include <trace/define_trace.h>