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
10TRACE_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);
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>
42