1
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
48
49
50 #include <trace/define_trace.h>