linux/include/trace/events/swiotlb.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2#undef TRACE_SYSTEM
   3#define TRACE_SYSTEM swiotlb
   4
   5#if !defined(_TRACE_SWIOTLB_H) || defined(TRACE_HEADER_MULTI_READ)
   6#define _TRACE_SWIOTLB_H
   7
   8#include <linux/tracepoint.h>
   9
  10TRACE_EVENT(swiotlb_bounced,
  11
  12        TP_PROTO(struct device *dev,
  13                 dma_addr_t dev_addr,
  14                 size_t size,
  15                 enum swiotlb_force swiotlb_force),
  16
  17        TP_ARGS(dev, dev_addr, size, swiotlb_force),
  18
  19        TP_STRUCT__entry(
  20                __string(       dev_name,       dev_name(dev)           )
  21                __field(        u64,    dma_mask                        )
  22                __field(        dma_addr_t,     dev_addr                )
  23                __field(        size_t, size                            )
  24                __field(        enum swiotlb_force,     swiotlb_force   )
  25        ),
  26
  27        TP_fast_assign(
  28                __assign_str(dev_name, dev_name(dev));
  29                __entry->dma_mask = (dev->dma_mask ? *dev->dma_mask : 0);
  30                __entry->dev_addr = dev_addr;
  31                __entry->size = size;
  32                __entry->swiotlb_force = swiotlb_force;
  33        ),
  34
  35        TP_printk("dev_name: %s dma_mask=%llx dev_addr=%llx "
  36                "size=%zu %s",
  37                __get_str(dev_name),
  38                __entry->dma_mask,
  39                (unsigned long long)__entry->dev_addr,
  40                __entry->size,
  41                __print_symbolic(__entry->swiotlb_force,
  42                        { SWIOTLB_NORMAL,       "NORMAL" },
  43                        { SWIOTLB_FORCE,        "FORCE" },
  44                        { SWIOTLB_NO_FORCE,     "NO_FORCE" }))
  45);
  46
  47#endif /*  _TRACE_SWIOTLB_H */
  48
  49/* This part must be outside protection */
  50#include <trace/define_trace.h>
  51