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 | #undef TRACE_SYSTEM |
10 | #define TRACE_SYSTEM intel_iommu |
11 | |
12 | #if !defined(_TRACE_INTEL_IOMMU_H) || defined(TRACE_HEADER_MULTI_READ) |
13 | #define _TRACE_INTEL_IOMMU_H |
14 | |
15 | #include <linux/tracepoint.h> |
16 | |
17 | #include "iommu.h" |
18 | |
19 | #define MSG_MAX 256 |
20 | |
21 | TRACE_EVENT(qi_submit, |
22 | TP_PROTO(struct intel_iommu *iommu, u64 qw0, u64 qw1, u64 qw2, u64 qw3), |
23 | |
24 | TP_ARGS(iommu, qw0, qw1, qw2, qw3), |
25 | |
26 | TP_STRUCT__entry( |
27 | __field(u64, qw0) |
28 | __field(u64, qw1) |
29 | __field(u64, qw2) |
30 | __field(u64, qw3) |
31 | __string(iommu, iommu->name) |
32 | ), |
33 | |
34 | TP_fast_assign( |
35 | __assign_str(iommu, iommu->name); |
36 | __entry->qw0 = qw0; |
37 | __entry->qw1 = qw1; |
38 | __entry->qw2 = qw2; |
39 | __entry->qw3 = qw3; |
40 | ), |
41 | |
42 | TP_printk("%s %s: 0x%llx 0x%llx 0x%llx 0x%llx" , |
43 | __print_symbolic(__entry->qw0 & 0xf, |
44 | { QI_CC_TYPE, "cc_inv" }, |
45 | { QI_IOTLB_TYPE, "iotlb_inv" }, |
46 | { QI_DIOTLB_TYPE, "dev_tlb_inv" }, |
47 | { QI_IEC_TYPE, "iec_inv" }, |
48 | { QI_IWD_TYPE, "inv_wait" }, |
49 | { QI_EIOTLB_TYPE, "p_iotlb_inv" }, |
50 | { QI_PC_TYPE, "pc_inv" }, |
51 | { QI_DEIOTLB_TYPE, "p_dev_tlb_inv" }, |
52 | { QI_PGRP_RESP_TYPE, "page_grp_resp" }), |
53 | __get_str(iommu), |
54 | __entry->qw0, __entry->qw1, __entry->qw2, __entry->qw3 |
55 | ) |
56 | ); |
57 | |
58 | TRACE_EVENT(prq_report, |
59 | TP_PROTO(struct intel_iommu *iommu, struct device *dev, |
60 | u64 dw0, u64 dw1, u64 dw2, u64 dw3, |
61 | unsigned long seq), |
62 | |
63 | TP_ARGS(iommu, dev, dw0, dw1, dw2, dw3, seq), |
64 | |
65 | TP_STRUCT__entry( |
66 | __field(u64, dw0) |
67 | __field(u64, dw1) |
68 | __field(u64, dw2) |
69 | __field(u64, dw3) |
70 | __field(unsigned long, seq) |
71 | __string(iommu, iommu->name) |
72 | __string(dev, dev_name(dev)) |
73 | __dynamic_array(char, buff, MSG_MAX) |
74 | ), |
75 | |
76 | TP_fast_assign( |
77 | __entry->dw0 = dw0; |
78 | __entry->dw1 = dw1; |
79 | __entry->dw2 = dw2; |
80 | __entry->dw3 = dw3; |
81 | __entry->seq = seq; |
82 | __assign_str(iommu, iommu->name); |
83 | __assign_str(dev, dev_name(dev)); |
84 | ), |
85 | |
86 | TP_printk("%s/%s seq# %ld: %s" , |
87 | __get_str(iommu), __get_str(dev), __entry->seq, |
88 | decode_prq_descriptor(__get_str(buff), MSG_MAX, __entry->dw0, |
89 | __entry->dw1, __entry->dw2, __entry->dw3) |
90 | ) |
91 | ); |
92 | #endif /* _TRACE_INTEL_IOMMU_H */ |
93 | |
94 | /* This part must be outside protection */ |
95 | #undef TRACE_INCLUDE_PATH |
96 | #undef TRACE_INCLUDE_FILE |
97 | #define TRACE_INCLUDE_PATH ../../drivers/iommu/intel/ |
98 | #define TRACE_INCLUDE_FILE trace |
99 | #include <trace/define_trace.h> |
100 | |