| 1 |
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| 2 | #undef TRACE_SYSTEM
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| 3 | #define TRACE_SYSTEM swiotlb
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| 4 |
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| 5 | #if !defined(_TRACE_SWIOTLB_H) || defined(TRACE_HEADER_MULTI_READ)
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| 6 | #define _TRACE_SWIOTLB_H
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| 7 |
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| 8 | #include <linux/tracepoint.h>
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| 9 |
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| 10 | TRACE_EVENT(swiotlb_bounced,
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| 11 | TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size),
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| 12 | TP_ARGS(dev, dev_addr, size),
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| 13 |
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| 14 | TP_STRUCT__entry(
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| 15 | __string(dev_name, dev_name(dev))
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| 16 | __field(u64, dma_mask)
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| 17 | __field(dma_addr_t, dev_addr)
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| 18 | __field(size_t, size)
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| 19 | __field(bool, force)
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| 20 | ),
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| 21 |
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| 22 | TP_fast_assign(
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| 23 | __assign_str(dev_name);
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| 24 | __entry->dma_mask = (dev->dma_mask ? *dev->dma_mask : 0);
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| 25 | __entry->dev_addr = dev_addr;
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| 26 | __entry->size = size;
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| 27 | __entry->force = is_swiotlb_force_bounce(dev);
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| 28 | ),
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| 29 |
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| 30 | TP_printk("dev_name: %s dma_mask=%llx dev_addr=%llx size=%zu %s",
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| 31 | __get_str(dev_name),
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| 32 | __entry->dma_mask,
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| 33 | (unsigned long long)__entry->dev_addr,
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| 34 | __entry->size,
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| 35 | __entry->force ? "FORCE" : "NORMAL")
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| 36 | );
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| 37 |
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| 38 | #endif
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| 39 |
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| 40 |
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| 41 | #include <trace/define_trace.h>
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