tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Intel IOMMU trace support
4 *
5 * Copyright (C) 2019 Intel Corporation
6 *
7 * Author: Lu Baolu <baolu.lu@linux.intel.com>
8 */
9#ifdef CONFIG_INTEL_IOMMU
10#undef TRACE_SYSTEM
11#define TRACE_SYSTEM intel_iommu
12
13#if !defined(_TRACE_INTEL_IOMMU_H) || defined(TRACE_HEADER_MULTI_READ)
14#define _TRACE_INTEL_IOMMU_H
15
16#include <linux/tracepoint.h>
17#include <linux/intel-iommu.h>
18
19DECLARE_EVENT_CLASS(dma_map,
20 TP_PROTO(struct device *dev, dma_addr_t dev_addr, phys_addr_t phys_addr,
21 size_t size),
22
23 TP_ARGS(dev, dev_addr, phys_addr, size),
24
25 TP_STRUCT__entry(
26 __string(dev_name, dev_name(dev))
27 __field(dma_addr_t, dev_addr)
28 __field(phys_addr_t, phys_addr)
29 __field(size_t, size)
30 ),
31
32 TP_fast_assign(
33 __assign_str(dev_name, dev_name(dev));
34 __entry->dev_addr = dev_addr;
35 __entry->phys_addr = phys_addr;
36 __entry->size = size;
37 ),
38
39 TP_printk("dev=%s dev_addr=0x%llx phys_addr=0x%llx size=%zu",
40 __get_str(dev_name),
41 (unsigned long long)__entry->dev_addr,
42 (unsigned long long)__entry->phys_addr,
43 __entry->size)
44);
45
46DEFINE_EVENT(dma_map, map_single,
47 TP_PROTO(struct device *dev, dma_addr_t dev_addr, phys_addr_t phys_addr,
48 size_t size),
49 TP_ARGS(dev, dev_addr, phys_addr, size)
50);
51
52DEFINE_EVENT(dma_map, map_sg,
53 TP_PROTO(struct device *dev, dma_addr_t dev_addr, phys_addr_t phys_addr,
54 size_t size),
55 TP_ARGS(dev, dev_addr, phys_addr, size)
56);
57
58DEFINE_EVENT(dma_map, bounce_map_single,
59 TP_PROTO(struct device *dev, dma_addr_t dev_addr, phys_addr_t phys_addr,
60 size_t size),
61 TP_ARGS(dev, dev_addr, phys_addr, size)
62);
63
64DECLARE_EVENT_CLASS(dma_unmap,
65 TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size),
66
67 TP_ARGS(dev, dev_addr, size),
68
69 TP_STRUCT__entry(
70 __string(dev_name, dev_name(dev))
71 __field(dma_addr_t, dev_addr)
72 __field(size_t, size)
73 ),
74
75 TP_fast_assign(
76 __assign_str(dev_name, dev_name(dev));
77 __entry->dev_addr = dev_addr;
78 __entry->size = size;
79 ),
80
81 TP_printk("dev=%s dev_addr=0x%llx size=%zu",
82 __get_str(dev_name),
83 (unsigned long long)__entry->dev_addr,
84 __entry->size)
85);
86
87DEFINE_EVENT(dma_unmap, unmap_single,
88 TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size),
89 TP_ARGS(dev, dev_addr, size)
90);
91
92DEFINE_EVENT(dma_unmap, unmap_sg,
93 TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size),
94 TP_ARGS(dev, dev_addr, size)
95);
96
97DEFINE_EVENT(dma_unmap, bounce_unmap_single,
98 TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size),
99 TP_ARGS(dev, dev_addr, size)
100);
101
102#endif /* _TRACE_INTEL_IOMMU_H */
103
104/* This part must be outside protection */
105#include <trace/define_trace.h>
106#endif /* CONFIG_INTEL_IOMMU */