swiotlb.h 1.0 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #undef TRACE_SYSTEM
  3. #define TRACE_SYSTEM swiotlb
  4. #if !defined(_TRACE_SWIOTLB_H) || defined(TRACE_HEADER_MULTI_READ)
  5. #define _TRACE_SWIOTLB_H
  6. #include <linux/tracepoint.h>
  7. TRACE_EVENT(swiotlb_bounced,
  8. TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size),
  9. TP_ARGS(dev, dev_addr, size),
  10. TP_STRUCT__entry(
  11. __string(dev_name, dev_name(dev))
  12. __field(u64, dma_mask)
  13. __field(dma_addr_t, dev_addr)
  14. __field(size_t, size)
  15. __field(bool, force)
  16. ),
  17. TP_fast_assign(
  18. __assign_str(dev_name, dev_name(dev));
  19. __entry->dma_mask = (dev->dma_mask ? *dev->dma_mask : 0);
  20. __entry->dev_addr = dev_addr;
  21. __entry->size = size;
  22. __entry->force = is_swiotlb_force_bounce(dev);
  23. ),
  24. TP_printk("dev_name: %s dma_mask=%llx dev_addr=%llx size=%zu %s",
  25. __get_str(dev_name),
  26. __entry->dma_mask,
  27. (unsigned long long)__entry->dev_addr,
  28. __entry->size,
  29. __entry->force ? "FORCE" : "NORMAL")
  30. );
  31. #endif /* _TRACE_SWIOTLB_H */
  32. /* This part must be outside protection */
  33. #include <trace/define_trace.h>