| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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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, dev_name(dev)); |
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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 /* _TRACE_SWIOTLB_H */ |
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| 39 | |
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| 40 | /* This part must be outside protection */ |
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| 41 | #include <trace/define_trace.h> |
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| 42 | |
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