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a0a927d06d
To make debugging a bit easier we add me register
access tracing
<debugfs>/tracing/events/mei/mei_reg_{read,write}
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
75 lines
2.0 KiB
C
75 lines
2.0 KiB
C
/*
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*
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* Intel Management Engine Interface (Intel MEI) Linux driver
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* Copyright (c) 2015, Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*/
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#if !defined(_MEI_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
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#define _MEI_TRACE_H_
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#include <linux/stringify.h>
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#include <linux/types.h>
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#include <linux/tracepoint.h>
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM mei
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#define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM)
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TRACE_EVENT(mei_reg_read,
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TP_PROTO(const struct device *dev, const char *reg, u32 offs, u32 val),
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TP_ARGS(dev, reg, offs, val),
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TP_STRUCT__entry(
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__string(dev, dev_name(dev))
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__field(const char *, reg)
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__field(u32, offs)
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__field(u32, val)
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),
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TP_fast_assign(
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__assign_str(dev, dev_name(dev))
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__entry->reg = reg;
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__entry->offs = offs;
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__entry->val = val;
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),
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TP_printk("[%s] read %s:[%#x] = %#x",
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__get_str(dev), __entry->reg, __entry->offs, __entry->val)
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);
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TRACE_EVENT(mei_reg_write,
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TP_PROTO(const struct device *dev, const char *reg, u32 offs, u32 val),
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TP_ARGS(dev, reg, offs, val),
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TP_STRUCT__entry(
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__string(dev, dev_name(dev))
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__field(const char *, reg)
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__field(u32, offs)
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__field(u32, val)
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),
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TP_fast_assign(
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__assign_str(dev, dev_name(dev))
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__entry->reg = reg;
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__entry->offs = offs;
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__entry->val = val;
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),
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TP_printk("[%s] write %s[%#x] = %#x)",
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__get_str(dev), __entry->reg, __entry->offs, __entry->val)
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);
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#endif /* _MEI_TRACE_H_ */
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/* This part must be outside protection */
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#undef TRACE_INCLUDE_PATH
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_PATH .
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#define TRACE_INCLUDE_FILE mei-trace
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#include <trace/define_trace.h>
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