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 
19 DECLARE_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 
46 DEFINE_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 
52 DEFINE_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 
58 DEFINE_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 
64 DECLARE_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 
87 DEFINE_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 
92 DEFINE_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 
97 DEFINE_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 */
107