summaryrefslogtreecommitdiffstats
path: root/include/trace/events/swiotlb.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/trace/events/swiotlb.h')
-rw-r--r--include/trace/events/swiotlb.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/include/trace/events/swiotlb.h b/include/trace/events/swiotlb.h
new file mode 100644
index 00000000000..7ea4c5e7c44
--- /dev/null
+++ b/include/trace/events/swiotlb.h
@@ -0,0 +1,46 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM swiotlb
+
+#if !defined(_TRACE_SWIOTLB_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_SWIOTLB_H
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(swiotlb_bounced,
+
+ TP_PROTO(struct device *dev,
+ dma_addr_t dev_addr,
+ size_t size,
+ int swiotlb_force),
+
+ TP_ARGS(dev, dev_addr, size, swiotlb_force),
+
+ TP_STRUCT__entry(
+ __string( dev_name, dev_name(dev) )
+ __field( u64, dma_mask )
+ __field( dma_addr_t, dev_addr )
+ __field( size_t, size )
+ __field( int, swiotlb_force )
+ ),
+
+ TP_fast_assign(
+ __assign_str(dev_name, dev_name(dev));
+ __entry->dma_mask = (dev->dma_mask ? *dev->dma_mask : 0);
+ __entry->dev_addr = dev_addr;
+ __entry->size = size;
+ __entry->swiotlb_force = swiotlb_force;
+ ),
+
+ TP_printk("dev_name: %s dma_mask=%llx dev_addr=%llx "
+ "size=%zu %s",
+ __get_str(dev_name),
+ __entry->dma_mask,
+ (unsigned long long)__entry->dev_addr,
+ __entry->size,
+ __entry->swiotlb_force ? "swiotlb_force" : "" )
+);
+
+#endif /* _TRACE_SWIOTLB_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>