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, bounce_map_single,
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
58DECLARE_EVENT_CLASS(dma_unmap,
59	TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size),
60
61	TP_ARGS(dev, dev_addr, size),
62
63	TP_STRUCT__entry(
64		__string(dev_name, dev_name(dev))
65		__field(dma_addr_t, dev_addr)
66		__field(size_t,	size)
67	),
68
69	TP_fast_assign(
70		__assign_str(dev_name, dev_name(dev));
71		__entry->dev_addr = dev_addr;
72		__entry->size = size;
73	),
74
75	TP_printk("dev=%s dev_addr=0x%llx size=%zu",
76		  __get_str(dev_name),
77		  (unsigned long long)__entry->dev_addr,
78		  __entry->size)
79);
80
81DEFINE_EVENT(dma_unmap, unmap_single,
82	TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size),
83	TP_ARGS(dev, dev_addr, size)
84);
85
86DEFINE_EVENT(dma_unmap, unmap_sg,
87	TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size),
88	TP_ARGS(dev, dev_addr, size)
89);
90
91DEFINE_EVENT(dma_unmap, bounce_unmap_single,
92	TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size),
93	TP_ARGS(dev, dev_addr, size)
94);
95
96DECLARE_EVENT_CLASS(dma_map_sg,
97	TP_PROTO(struct device *dev, int index, int total,
98		 struct scatterlist *sg),
99
100	TP_ARGS(dev, index, total, sg),
101
102	TP_STRUCT__entry(
103		__string(dev_name, dev_name(dev))
104		__field(dma_addr_t, dev_addr)
105		__field(phys_addr_t, phys_addr)
106		__field(size_t,	size)
107		__field(int, index)
108		__field(int, total)
109	),
110
111	TP_fast_assign(
112		__assign_str(dev_name, dev_name(dev));
113		__entry->dev_addr = sg->dma_address;
114		__entry->phys_addr = sg_phys(sg);
115		__entry->size = sg->dma_length;
116		__entry->index = index;
117		__entry->total = total;
118	),
119
120	TP_printk("dev=%s [%d/%d] dev_addr=0x%llx phys_addr=0x%llx size=%zu",
121		  __get_str(dev_name), __entry->index, __entry->total,
122		  (unsigned long long)__entry->dev_addr,
123		  (unsigned long long)__entry->phys_addr,
124		  __entry->size)
125);
126
127DEFINE_EVENT(dma_map_sg, map_sg,
128	TP_PROTO(struct device *dev, int index, int total,
129		 struct scatterlist *sg),
130	TP_ARGS(dev, index, total, sg)
131);
132
133DEFINE_EVENT(dma_map_sg, bounce_map_sg,
134	TP_PROTO(struct device *dev, int index, int total,
135		 struct scatterlist *sg),
136	TP_ARGS(dev, index, total, sg)
137);
138#endif /* _TRACE_INTEL_IOMMU_H */
139
140/* This part must be outside protection */
141#include <trace/define_trace.h>
142#endif /* CONFIG_INTEL_IOMMU */
143