drivers/tee/optee/optee_trace.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * optee trace points
   4  *
   5  * Copyright (C) 2021 Synaptics Incorporated
   6  * Author: Jisheng Zhang <jszhang@kernel.org>
   7  */
   8
   9 #undef TRACE_SYSTEM
  10 #define TRACE_SYSTEM optee
  11
  12 #if !defined(_TRACE_OPTEE_H) || defined(TRACE_HEADER_MULTI_READ)
  13 #define _TRACE_OPTEE_H
  14
  15 #include <linux/arm-smccc.h>
  16 #include <linux/tracepoint.h>
  17 #include "optee_private.h"
  18
  19 TRACE_EVENT(optee_invoke_fn_begin,
  20         TP_PROTO(struct optee_rpc_param *param),
  21         TP_ARGS(param),
  22
  23         TP_STRUCT__entry(
  24                 __field(void *, param)
  25                 __array(u32, args, 8)
  26         ),
  27
  28         TP_fast_assign(
  29                 __entry->param = param;
  30                 BUILD_BUG_ON(sizeof(*param) < sizeof(__entry->args));
  31                 memcpy(__entry->args, param, sizeof(__entry->args));
  32         ),
  33
  34         TP_printk("param=%p (%x, %x, %x, %x, %x, %x, %x, %x)", __entry->param,
  35                   __entry->args[0], __entry->args[1], __entry->args[2],
  36                   __entry->args[3], __entry->args[4], __entry->args[5],
  37                   __entry->args[6], __entry->args[7])
  38 );
  39
  40 TRACE_EVENT(optee_invoke_fn_end,
  41         TP_PROTO(struct optee_rpc_param *param, struct arm_smccc_res *res),
  42         TP_ARGS(param, res),
  43
  44         TP_STRUCT__entry(
  45                 __field(void *, param)
  46                 __array(unsigned long, rets, 4)
  47         ),
  48
  49         TP_fast_assign(
  50                 __entry->param = param;
  51                 BUILD_BUG_ON(sizeof(*res) < sizeof(__entry->rets));
  52                 memcpy(__entry->rets, res, sizeof(__entry->rets));
  53         ),
  54
  55         TP_printk("param=%p ret (%lx, %lx, %lx, %lx)", __entry->param,
  56                   __entry->rets[0], __entry->rets[1], __entry->rets[2],
  57                   __entry->rets[3])
  58 );
  59 #endif /* _TRACE_OPTEE_H */
  60
  61 #undef TRACE_INCLUDE_PATH
  62 #define TRACE_INCLUDE_PATH .
  63 #undef TRACE_INCLUDE_FILE
  64 #define TRACE_INCLUDE_FILE optee_trace
  65
  66 /* This part must be outside protection */
  67 #include <trace/define_trace.h>