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         TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size),
  12         TP_ARGS(dev, dev_addr, size),
  13
  14         TP_STRUCT__entry(
  15                 __string(dev_name, dev_name(dev))
  16                 __field(u64, dma_mask)
  17                 __field(dma_addr_t, dev_addr)
  18                 __field(size_t, size)
  19                 __field(bool, force)
  20         ),
  21
  22         TP_fast_assign(
  23                 __assign_str(dev_name, dev_name(dev));
  24                 __entry->dma_mask = (dev->dma_mask ? *dev->dma_mask : 0);
  25                 __entry->dev_addr = dev_addr;
  26                 __entry->size = size;
  27                 __entry->force = is_swiotlb_force_bounce(dev);
  28         ),
  29
  30         TP_printk("dev_name: %s dma_mask=%llx dev_addr=%llx size=%zu %s",
  31                 __get_str(dev_name),
  32                 __entry->dma_mask,
  33                 (unsigned long long)__entry->dev_addr,
  34                 __entry->size,
  35                 __entry->force ? "FORCE" : "NORMAL")
  36 );
  37
  38 #endif /*  _TRACE_SWIOTLB_H */
  39
  40 /* This part must be outside protection */
  41 #include <trace/define_trace.h>