84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
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/*
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* include/trace/events/dmadebug.h
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*
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* DMA debugging event logging to ftrace.
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*
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* Copyright (c) 2013-2017, NVIDIA Corporation.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that 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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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM dmadebug
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#if !defined(_TRACE_DMADEBUG_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_DMADEBUG_H
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#include <linux/ktime.h>
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#include <linux/tracepoint.h>
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#include <linux/types.h>
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#include <linux/device.h>
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#include <linux/dma-debug.h>
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#include <asm/io.h>
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DECLARE_EVENT_CLASS(dmadebug,
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TP_PROTO(struct device *dev, dma_addr_t dma_addr, size_t size, \
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struct page *page),
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TP_ARGS(dev, dma_addr, size, page),
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TP_STRUCT__entry(
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__field(struct device *, dev)
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__string(name, dev_name(dev))
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__field(dma_addr_t, dma_addr)
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__field(size_t, size)
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__field(struct page *, page)
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),
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TP_fast_assign(
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__entry->dev = dev;
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__assign_str(name, dev_name(dev));
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__entry->dma_addr = dma_addr;
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__entry->size = size;
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__entry->page = page;
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),
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TP_printk("device=%s, iova=%pad, size=%zu phys=%llx platformdata=%s",
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__get_str(name), &__entry->dma_addr,
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__entry->size,
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(unsigned long long)page_to_phys(__entry->page),
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debug_dma_platformdata(__entry->dev))
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);
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#define DMADEBUGEVENT(ev) DEFINE_EVENT(dmadebug, ev, \
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TP_PROTO(struct device *dev, dma_addr_t dma_addr, size_t size, \
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struct page *page), \
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TP_ARGS(dev, dma_addr, size, page) \
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)
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DMADEBUGEVENT(dmadebug_alloc_attrs);
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DMADEBUGEVENT(dmadebug_free_attrs);
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DMADEBUGEVENT(dmadebug_map_page);
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DMADEBUGEVENT(dmadebug_unmap_page);
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DMADEBUGEVENT(dmadebug_map_sg);
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DMADEBUGEVENT(dmadebug_unmap_sg);
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#undef DMADEBUGEVENT
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#endif /* _TRACE_DMADEBUG_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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