kernel/include/trace/events/swiotlb.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM swiotlb
   3
   4 #if !defined(_TRACE_SWIOTLB_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_SWIOTLB_H
   6
   7 #include <linux/tracepoint.h>
   8
   9 TRACE_EVENT(swiotlb_bounced,
  10
  11         TP_PROTO(struct device *dev,
  12                  dma_addr_t dev_addr,
  13                  size_t size,
  14                  int swiotlb_force),
  15
  16         TP_ARGS(dev, dev_addr, size, swiotlb_force),
  17
  18         TP_STRUCT__entry(
  19                 __string(       dev_name,       dev_name(dev)   )
  20                 __field(        u64,    dma_mask                )
  21                 __field(        dma_addr_t,     dev_addr        )
  22                 __field(        size_t, size                    )
  23                 __field(        int,    swiotlb_force           )
  24         ),
  25
  26         TP_fast_assign(
  27                 __assign_str(dev_name, dev_name(dev));
  28                 __entry->dma_mask = (dev->dma_mask ? *dev->dma_mask : 0);
  29                 __entry->dev_addr = dev_addr;
  30                 __entry->size = size;
  31                 __entry->swiotlb_force = swiotlb_force;
  32         ),
  33
  34         TP_printk("dev_name: %s dma_mask=%llx dev_addr=%llx "
  35                 "size=%zu %s",
  36                 __get_str(dev_name),
  37                 __entry->dma_mask,
  38                 (unsigned long long)__entry->dev_addr,
  39                 __entry->size,
  40                 __entry->swiotlb_force ? "swiotlb_force" : "" )
  41 );
  42
  43 #endif /*  _TRACE_SWIOTLB_H */
  44
  45 /* This part must be outside protection */
  46 #include <trace/define_trace.h>