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7
8#undef TRACE_SYSTEM
9#define TRACE_SYSTEM iommu
10
11#if !defined(_TRACE_IOMMU_H) || defined(TRACE_HEADER_MULTI_READ)
12#define _TRACE_IOMMU_H
13
14#include <linux/tracepoint.h>
15
16struct device;
17
18DECLARE_EVENT_CLASS(iommu_group_event,
19
20 TP_PROTO(int group_id, struct device *dev),
21
22 TP_ARGS(group_id, dev),
23
24 TP_STRUCT__entry(
25 __field(int, gid)
26 __string(device, dev_name(dev))
27 ),
28
29 TP_fast_assign(
30 __entry->gid = group_id;
31 __assign_str(device, dev_name(dev));
32 ),
33
34 TP_printk("IOMMU: groupID=%d device=%s",
35 __entry->gid, __get_str(device)
36 )
37);
38
39DEFINE_EVENT(iommu_group_event, add_device_to_group,
40
41 TP_PROTO(int group_id, struct device *dev),
42
43 TP_ARGS(group_id, dev)
44
45);
46
47DEFINE_EVENT(iommu_group_event, remove_device_from_group,
48
49 TP_PROTO(int group_id, struct device *dev),
50
51 TP_ARGS(group_id, dev)
52);
53
54DECLARE_EVENT_CLASS(iommu_device_event,
55
56 TP_PROTO(struct device *dev),
57
58 TP_ARGS(dev),
59
60 TP_STRUCT__entry(
61 __string(device, dev_name(dev))
62 ),
63
64 TP_fast_assign(
65 __assign_str(device, dev_name(dev));
66 ),
67
68 TP_printk("IOMMU: device=%s", __get_str(device)
69 )
70);
71
72DEFINE_EVENT(iommu_device_event, attach_device_to_domain,
73
74 TP_PROTO(struct device *dev),
75
76 TP_ARGS(dev)
77);
78
79DEFINE_EVENT(iommu_device_event, detach_device_from_domain,
80
81 TP_PROTO(struct device *dev),
82
83 TP_ARGS(dev)
84);
85
86TRACE_EVENT(map,
87
88 TP_PROTO(unsigned long iova, phys_addr_t paddr, size_t size),
89
90 TP_ARGS(iova, paddr, size),
91
92 TP_STRUCT__entry(
93 __field(u64, iova)
94 __field(u64, paddr)
95 __field(size_t, size)
96 ),
97
98 TP_fast_assign(
99 __entry->iova = iova;
100 __entry->paddr = paddr;
101 __entry->size = size;
102 ),
103
104 TP_printk("IOMMU: iova=0x%016llx - 0x%016llx paddr=0x%016llx size=%zu",
105 __entry->iova, __entry->iova + __entry->size, __entry->paddr,
106 __entry->size
107 )
108);
109
110TRACE_EVENT(unmap,
111
112 TP_PROTO(unsigned long iova, size_t size, size_t unmapped_size),
113
114 TP_ARGS(iova, size, unmapped_size),
115
116 TP_STRUCT__entry(
117 __field(u64, iova)
118 __field(size_t, size)
119 __field(size_t, unmapped_size)
120 ),
121
122 TP_fast_assign(
123 __entry->iova = iova;
124 __entry->size = size;
125 __entry->unmapped_size = unmapped_size;
126 ),
127
128 TP_printk("IOMMU: iova=0x%016llx - 0x%016llx size=%zu unmapped_size=%zu",
129 __entry->iova, __entry->iova + __entry->size,
130 __entry->size, __entry->unmapped_size
131 )
132);
133
134DECLARE_EVENT_CLASS(iommu_error,
135
136 TP_PROTO(struct device *dev, unsigned long iova, int flags),
137
138 TP_ARGS(dev, iova, flags),
139
140 TP_STRUCT__entry(
141 __string(device, dev_name(dev))
142 __string(driver, dev_driver_string(dev))
143 __field(u64, iova)
144 __field(int, flags)
145 ),
146
147 TP_fast_assign(
148 __assign_str(device, dev_name(dev));
149 __assign_str(driver, dev_driver_string(dev));
150 __entry->iova = iova;
151 __entry->flags = flags;
152 ),
153
154 TP_printk("IOMMU:%s %s iova=0x%016llx flags=0x%04x",
155 __get_str(driver), __get_str(device),
156 __entry->iova, __entry->flags
157 )
158);
159
160DEFINE_EVENT(iommu_error, io_page_fault,
161
162 TP_PROTO(struct device *dev, unsigned long iova, int flags),
163
164 TP_ARGS(dev, iova, flags)
165);
166#endif
167
168
169#include <trace/define_trace.h>
170
