include/trace/events/swiotlb.h

   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
  10 TRACE_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>