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